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jkulhanek/gaussian-splats-3d.module.min.js

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gaussian-splats-3d.module.min.js
import*as e from"three";import{Ray as t,Plane as n,MathUtils as s,EventDispatcher as r,Vector3 as i,MOUSE as o,TOUCH as a,Quaternion as l,Spherical as c,Vector2 as h}from"three";class d{static idGen=0;constructor(e,t){let n,s;this.promise=new Promise(((e,t)=>{n=e,s=t}));const r=n.bind(this),i=s.bind(this);e(((...e)=>{r(...e)}).bind(this),(e=>{i(e)}).bind(this)),this.abortHandler=t,this.id=d.idGen++}then(e){return new d(((t,n)=>{this.promise=this.promise.then(((...n)=>{const s=e(...n);s instanceof Promise||s instanceof d?s.then(((...e)=>{t(...e)})):t(s)})).catch((e=>{n(e)}))}),this.abortHandler)}catch(e){return new d((t=>{this.promise=this.promise.then(((...e)=>{t(...e)})).catch(e)}),this.abortHandler)}abort(e){this.abortHandler&&this.abortHandler(e)}}class p extends Error{constructor(e){super(e)}}!function(){const e=new Float32Array(1),t=new Int32Array(e.buffer)}();const u=function(){const e=new Float32Array(1),t=new Int32Array(e.buffer);return function(n){return e[0]=n,t[0]}}(),m=function(e,t,n=!0){const s=new AbortController,r=s.signal;let i=!1;return new d(((s,o)=>{fetch(e,{signal:r}).then((async e=>{if(!e.ok){const t=await e.text();return void o(new Error(`Fetch failed: ${e.status} ${e.statusText} ${t}`))}const r=e.body.getReader();let a=0,l=e.headers.get("Content-Length"),c=l?parseInt(l):void 0;const h=[];for(;!i;)try{const{value:e,done:i}=await r.read();if(i){if(t&&t(100,"100%",e,c),n){const e=new Blob(h).arrayBuffer();s(e)}else s();break}let o,l;a+=e.length,void 0!==c&&(o=a/c*100,l=`${o.toFixed(2)}%`),n&&h.push(e),t&&t(o,l,e,c)}catch(e){return void o(e)}})).catch((e=>{o(new p(e))}))}),(e=>{s.abort(e),i=!0}))},A=function(e,t,n){return Math.max(Math.min(e,n),t)},f=function(){return performance.now()/1e3},g=e=>{if(e.geometry&&(e.geometry.dispose(),e.geometry=null),e.material&&(e.material.dispose(),e.material=null),e.children)for(let t of e.children)g(t)},S=(e,t)=>new Promise((n=>{window.setTimeout((()=>{n(e())}),t?1:50)})),C=(e=0)=>{switch(e){case 1:return 9;case 2:return 24}return 0},y=()=>{let e,t;return{promise:new Promise(((n,s)=>{e=n,t=s})),resolve:e,reject:t}},x=e=>{let t,n;e||(e=()=>{});return{promise:new d(((e,s)=>{t=e,n=s}),e),resolve:t,reject:n}};class v{constructor(e,t,n){this.major=e,this.minor=t,this.patch=n}toString(){return`${this.major}_${this.minor}_${this.patch}`}}function I(){const e=navigator.userAgent;return e.indexOf("iPhone")>0||e.indexOf("iPad")>0}function B(){if(I()){const e=navigator.userAgent.match(/OS (\d+)_(\d+)_?(\d+)?/);return new v(parseInt(e[1]||0,10),parseInt(e[2]||0,10),parseInt(e[3]||0,10))}return null}class w{static OFFSET={X:0,Y:1,Z:2,SCALE0:3,SCALE1:4,SCALE2:5,ROTATION0:6,ROTATION1:7,ROTATION2:8,ROTATION3:9,FDC0:10,FDC1:11,FDC2:12,OPACITY:13,FRC0:14,FRC1:15,FRC2:16,FRC3:17,FRC4:18,FRC5:19,FRC6:20,FRC7:21,FRC8:22,FRC9:23,FRC10:24,FRC11:25,FRC12:26,FRC13:27,FRC14:28,FRC15:29,FRC16:30,FRC17:31,FRC18:32,FRC19:33,FRC20:34,FRC21:35,FRC22:36,FRC23:37};constructor(e=0){this.sphericalHarmonicsDegree=e,this.sphericalHarmonicsCount=C(this.sphericalHarmonicsDegree),this.componentCount=this.sphericalHarmonicsCount+14,this.defaultSphericalHarmonics=new Array(this.sphericalHarmonicsCount).fill(0),this.splats=[],this.splatCount=0}static createSplat(e=0){const t=[0,0,0,1,1,1,1,0,0,0,0,0,0,0];let n=C(e);for(let e=0;e<n;e++)t.push(0);return t}addSplat(e){this.splats.push(e),this.splatCount++}getSplat(e){return this.splats[e]}addDefaultSplat(){const e=w.createSplat(this.sphericalHarmonicsDegree);return this.addSplat(e),e}addSplatFromComonents(e,t,n,s,r,i,o,a,l,c,h,d,p,u,...m){const A=[e,t,n,s,r,i,o,a,l,c,h,d,p,u,...this.defaultSphericalHarmonics];for(let e=0;e<m.length&&e<this.sphericalHarmonicsCount;e++)A[e]=m[e];return this.addSplat(A),A}addSplatFromArray(e,t){const n=e.splats[t],s=w.createSplat(this.sphericalHarmonicsDegree);for(let e=0;e<this.componentCount&&e<n.length;e++)s[e]=n[e];this.addSplat(s)}}class b{static DefaultSplatSortDistanceMapPrecision=16;static MemoryPageSize=65536;static BytesPerFloat=4;static BytesPerInt=4;static MaxScenes=32;static ProgressiveLoadSectionSize=262144;static ProgressiveLoadSectionDelayDuration=15;static SphericalHarmonics8BitCompressionRange=3}const T=b.SphericalHarmonics8BitCompressionRange/2,D=e.DataUtils.toHalfFloat.bind(e.DataUtils),E=e.DataUtils.fromHalfFloat.bind(e.DataUtils),M=(t,n,s=!1,r,i)=>0===n?t:1===n||2===n&&!s?e.DataUtils.fromHalfFloat(t):2===n?R(t,r,i):void 0,F=(e,t,n)=>{e=A(e,t,n);const s=n-t;return A(Math.floor((e-t)/s*255),0,255)},R=(e,t,n)=>e/255*(n-t)+t,P=(e,t,n)=>F(E(e,t,n)),H=(e,t,n)=>D(R(e,t,n)),k=(e,t,n,s=!1)=>0===n?e.getFloat32(4*t,!0):1===n||2===n&&!s?e.getUint16(2*t,!0):e.getUint8(t,!0),L=function(){const e=e=>e;return function(t,n,s,r=!1){if(n===s)return t;let i=e;return 2===n&&r?1===s?i=H:0==s&&(i=R):2===n||1===n?0===s?i=E:2==s&&(i=r?P:e):0===n&&(1===s?i=D:2==s&&(i=r?F:D)),i(t)}}(),O=(e,t,n,s,r=0)=>{const i=new Uint8Array(e,t),o=new Uint8Array(n,s);for(let e=0;e<r;e++)o[e]=i[e]};class U{static CurrentMajorVersion=0;static CurrentMinorVersion=1;static CenterComponentCount=3;static ScaleComponentCount=3;static RotationComponentCount=4;static ColorComponentCount=4;static CovarianceComponentCount=6;static SplatScaleOffsetFloat=3;static SplatRotationOffsetFloat=6;static CompressionLevels={0:{BytesPerCenter:12,BytesPerScale:12,BytesPerRotation:16,BytesPerColor:4,ScaleOffsetBytes:12,RotationffsetBytes:24,ColorOffsetBytes:40,SphericalHarmonicsOffsetBytes:44,ScaleRange:1,BytesPerSphericalHarmonicsComponent:4,SphericalHarmonicsOffsetFloat:11,SphericalHarmonicsDegrees:{0:{BytesPerSplat:44},1:{BytesPerSplat:80},2:{BytesPerSplat:140}}},1:{BytesPerCenter:6,BytesPerScale:6,BytesPerRotation:8,BytesPerColor:4,ScaleOffsetBytes:6,RotationffsetBytes:12,ColorOffsetBytes:20,SphericalHarmonicsOffsetBytes:24,ScaleRange:32767,BytesPerSphericalHarmonicsComponent:2,SphericalHarmonicsOffsetFloat:12,SphericalHarmonicsDegrees:{0:{BytesPerSplat:24},1:{BytesPerSplat:42},2:{BytesPerSplat:72}}},2:{BytesPerCenter:6,BytesPerScale:6,BytesPerRotation:8,BytesPerColor:4,ScaleOffsetBytes:6,RotationffsetBytes:12,ColorOffsetBytes:20,SphericalHarmonicsOffsetBytes:24,ScaleRange:32767,BytesPerSphericalHarmonicsComponent:1,SphericalHarmonicsOffsetFloat:12,SphericalHarmonicsDegrees:{0:{BytesPerSplat:24},1:{BytesPerSplat:33},2:{BytesPerSplat:48}}}};static CovarianceSizeFloats=6;static HeaderSizeBytes=4096;static SectionHeaderSizeBytes=1024;static BucketStorageSizeBytes=12;static BucketStorageSizeFloats=3;static BucketBlockSize=5;static BucketSize=256;constructor(e,t=!0){this.constructFromBuffer(e,t)}getSplatCount(){return this.splatCount}getMaxSplatCount(){return this.maxSplatCount}getMinSphericalHarmonicsDegree(){let e=0;for(let t=0;t<this.sections.length;t++){const n=this.sections[t];(0===t||n.sphericalHarmonicsDegree<e)&&(e=n.sphericalHarmonicsDegree)}return e}getBucketIndex(e,t){let n;const s=e.fullBucketCount*e.bucketSize;if(t<s)n=Math.floor(t/e.bucketSize);else{let r=s;n=e.fullBucketCount;let i=0;for(;r<e.splatCount;){let s=e.partiallyFilledBucketLengths[i];if(t>=r&&t<r+s)break;r+=s,n++,i++}}return n}getSplatCenter(e,t,n){const s=this.globalSplatIndexToSectionMap[e],r=this.sections[s],i=e-r.splatCountOffset,o=r.bytesPerSplat*i,a=new DataView(this.bufferData,r.dataBase+o),l=k(a,0,this.compressionLevel),c=k(a,1,this.compressionLevel),h=k(a,2,this.compressionLevel);if(this.compressionLevel>=1){const e=this.getBucketIndex(r,i)*U.BucketStorageSizeFloats,n=r.compressionScaleFactor,s=r.compressionScaleRange;t.x=(l-s)*n+r.bucketArray[e],t.y=(c-s)*n+r.bucketArray[e+1],t.z=(h-s)*n+r.bucketArray[e+2]}else t.x=l,t.y=c,t.z=h;n&&t.applyMatrix4(n)}getSplatScaleAndRotation=function(){const t=new e.Matrix4,n=new e.Matrix4,s=new e.Matrix4,r=new e.Vector3,i=new e.Vector3,o=new e.Quaternion;return function(e,a,l,c,h){const d=this.globalSplatIndexToSectionMap[e],p=this.sections[d],u=e-p.splatCountOffset,m=p.bytesPerSplat*u+U.CompressionLevels[this.compressionLevel].ScaleOffsetBytes,A=new DataView(this.bufferData,p.dataBase+m);i.set(M(k(A,0,this.compressionLevel),this.compressionLevel),M(k(A,1,this.compressionLevel),this.compressionLevel),M(k(A,2,this.compressionLevel),this.compressionLevel)),h&&(void 0!==h.x&&(i.x=h.x),void 0!==h.y&&(i.y=h.y),void 0!==h.z&&(i.z=h.z)),o.set(M(k(A,4,this.compressionLevel),this.compressionLevel),M(k(A,5,this.compressionLevel),this.compressionLevel),M(k(A,6,this.compressionLevel),this.compressionLevel),M(k(A,3,this.compressionLevel),this.compressionLevel)),c?(t.makeScale(i.x,i.y,i.z),n.makeRotationFromQuaternion(o),s.copy(t).multiply(n).multiply(c),s.decompose(r,l,a)):(a.copy(i),l.copy(o))}}();getSplatColor(e,t){const n=this.globalSplatIndexToSectionMap[e],s=this.sections[n],r=e-s.splatCountOffset,i=s.bytesPerSplat*r+U.CompressionLevels[this.compressionLevel].ColorOffsetBytes,o=new Uint8Array(this.bufferData,s.dataBase+i,4);t.set(o[0],o[1],o[2],o[3])}fillSplatCenterArray(t,n,s,r,i){const o=this.splatCount;s=s||0,r=r||o-1,void 0===i&&(i=s);const a=new e.Vector3;for(let e=s;e<=r;e++){const r=this.globalSplatIndexToSectionMap[e],o=this.sections[r],l=e-o.splatCountOffset,c=(e-s+i)*U.CenterComponentCount,h=o.bytesPerSplat*l,d=new DataView(this.bufferData,o.dataBase+h),p=k(d,0,this.compressionLevel),u=k(d,1,this.compressionLevel),m=k(d,2,this.compressionLevel);if(this.compressionLevel>=1){const e=this.getBucketIndex(o,l)*U.BucketStorageSizeFloats,t=o.compressionScaleFactor,n=o.compressionScaleRange;a.x=(p-n)*t+o.bucketArray[e],a.y=(u-n)*t+o.bucketArray[e+1],a.z=(m-n)*t+o.bucketArray[e+2]}else a.x=p,a.y=u,a.z=m;n&&a.applyMatrix4(n),t[c]=a.x,t[c+1]=a.y,t[c+2]=a.z}}fillSplatScaleRotationArray=function(){const t=new e.Matrix4,n=new e.Matrix4,s=new e.Matrix4,r=new e.Vector3,i=new e.Quaternion,o=new e.Vector3,a=e=>{const t=e.w<0?-1:1;e.x*=t,e.y*=t,e.z*=t,e.w*=t};return function(e,l,c,h,d,p,u,m){const A=this.splatCount;h=h||0,d=d||A-1,void 0===p&&(p=h);const f=(e,t)=>(void 0===t&&(t=this.compressionLevel),L(e,t,u));for(let u=h;u<=d;u++){const d=this.globalSplatIndexToSectionMap[u],A=this.sections[d],g=u-A.splatCountOffset,S=A.bytesPerSplat*g+U.CompressionLevels[this.compressionLevel].ScaleOffsetBytes,C=(u-h+p)*U.ScaleComponentCount,y=(u-h+p)*U.RotationComponentCount,x=new DataView(this.bufferData,A.dataBase+S),v=m&&void 0!==m.x?m.x:k(x,0,this.compressionLevel),I=m&&void 0!==m.y?m.y:k(x,1,this.compressionLevel),B=m&&void 0!==m.z?m.z:k(x,2,this.compressionLevel),w=k(x,3,this.compressionLevel),b=k(x,4,this.compressionLevel),T=k(x,5,this.compressionLevel),D=k(x,6,this.compressionLevel);r.set(M(v,this.compressionLevel),M(I,this.compressionLevel),M(B,this.compressionLevel)),i.set(M(b,this.compressionLevel),M(T,this.compressionLevel),M(D,this.compressionLevel),M(w,this.compressionLevel)).normalize(),c&&(o.set(0,0,0),t.makeScale(r.x,r.y,r.z),n.makeRotationFromQuaternion(i),s.identity().premultiply(t).premultiply(n),s.premultiply(c),s.decompose(o,i,r),i.normalize()),a(i),e&&(e[C]=f(r.x,0),e[C+1]=f(r.y,0),e[C+2]=f(r.z,0)),l&&(l[y]=f(i.x,0),l[y+1]=f(i.y,0),l[y+2]=f(i.z,0),l[y+3]=f(i.w,0))}}}();static computeCovariance=function(){const t=new e.Matrix4,n=new e.Matrix3,s=new e.Matrix3,r=new e.Matrix3,i=new e.Matrix3,o=new e.Matrix3,a=new e.Matrix3;return function(e,l,c,h,d=0,p){t.makeScale(e.x,e.y,e.z),n.setFromMatrix4(t),t.makeRotationFromQuaternion(l),s.setFromMatrix4(t),r.copy(s).multiply(n),i.copy(r).transpose().premultiply(r),c&&(o.setFromMatrix4(c),a.copy(o).transpose(),i.multiply(a),i.premultiply(o)),p>=1?(h[d]=D(i.elements[0]),h[d+1]=D(i.elements[3]),h[d+2]=D(i.elements[6]),h[d+3]=D(i.elements[4]),h[d+4]=D(i.elements[7]),h[d+5]=D(i.elements[8])):(h[d]=i.elements[0],h[d+1]=i.elements[3],h[d+2]=i.elements[6],h[d+3]=i.elements[4],h[d+4]=i.elements[7],h[d+5]=i.elements[8])}}();fillSplatCovarianceArray(t,n,s,r,i,o){const a=this.splatCount,l=new e.Vector3,c=new e.Quaternion;s=s||0,r=r||a-1,void 0===i&&(i=s);for(let e=s;e<=r;e++){const r=this.globalSplatIndexToSectionMap[e],a=this.sections[r],h=e-a.splatCountOffset,d=(e-s+i)*U.CovarianceComponentCount,p=a.bytesPerSplat*h+U.CompressionLevels[this.compressionLevel].ScaleOffsetBytes,u=new DataView(this.bufferData,a.dataBase+p);l.set(M(k(u,0,this.compressionLevel),this.compressionLevel),M(k(u,1,this.compressionLevel),this.compressionLevel),M(k(u,2,this.compressionLevel),this.compressionLevel)),c.set(M(k(u,4,this.compressionLevel),this.compressionLevel),M(k(u,5,this.compressionLevel),this.compressionLevel),M(k(u,6,this.compressionLevel),this.compressionLevel),M(k(u,3,this.compressionLevel),this.compressionLevel)),U.computeCovariance(l,c,n,t,d,o)}}fillSplatColorArray(e,t,n,s,r){const i=this.splatCount;n=n||0,s=s||i-1,void 0===r&&(r=n);for(let i=n;i<=s;i++){const s=this.globalSplatIndexToSectionMap[i],o=this.sections[s],a=i-o.splatCountOffset,l=(i-n+r)*U.ColorComponentCount,c=o.bytesPerSplat*a+U.CompressionLevels[this.compressionLevel].ColorOffsetBytes,h=new Uint8Array(this.bufferData,o.dataBase+c);let d=h[3];d=d>=t?d:0,e[l]=h[0],e[l+1]=h[1],e[l+2]=h[2],e[l+3]=d}}fillSphericalHarmonicsArray=function(){const t=[];for(let n=0;n<15;n++)t[n]=new e.Vector3;const n=new e.Matrix3,s=new e.Matrix4,r=new e.Vector3,i=new e.Vector3,o=new e.Quaternion,a=[],l=[],c=[],h=[],d=[],p=[],u=[],m=[],A=[],f=[],g=[],S=[],y=[],x=[],v=[],I=[],B=[],w=[],b=e=>e,T=(e,t,n,s)=>{e[0]=t,e[1]=n,e[2]=s},R=(e,t,n,s,r)=>{e[0]=k(t,s,r,!0),e[1]=k(t,s+n,r,!0),e[2]=k(t,s+n+n,r,!0)},H=(e,t)=>{t[0]=e[0],t[1]=e[1],t[2]=e[2]},L=(e,t,n,s)=>{t[n]=s(e[0]),t[n+1]=s(e[1]),t[n+2]=s(e[2])},O=(e,t,n,s,r)=>(t[0]=M(e[0],n,!0,s,r),t[1]=M(e[1],n,!0,s,r),t[2]=M(e[2],n,!0,s,r),t);return function(e,t,M,k,z,_,Q){const V=this.splatCount;k=k||0,z=z||V-1,void 0===_&&(_=k),M&&t>=1&&(s.copy(M),s.decompose(r,o,i),o.normalize(),s.makeRotationFromQuaternion(o),n.setFromMatrix4(s),T(a,n.elements[4],-n.elements[7],n.elements[1]),T(l,-n.elements[5],n.elements[8],-n.elements[2]),T(c,n.elements[3],-n.elements[6],n.elements[0]));const N=e=>P(e,this.minSphericalHarmonicsCoeff,this.maxSphericalHarmonicsCoeff),G=e=>F(e,this.minSphericalHarmonicsCoeff,this.maxSphericalHarmonicsCoeff);for(let n=k;n<=z;n++){const s=this.globalSplatIndexToSectionMap[n],r=this.sections[s];t=Math.min(t,r.sphericalHarmonicsDegree);const i=C(t),o=n-r.splatCountOffset,T=r.bytesPerSplat*o+U.CompressionLevels[this.compressionLevel].SphericalHarmonicsOffsetBytes,F=new DataView(this.bufferData,r.dataBase+T),P=(n-k+_)*i;let z=M?0:this.compressionLevel,V=b;z!==Q&&(1===z?0===Q?V=E:2==Q&&(V=N):0===z&&(1===Q?V=D:2==Q&&(V=G)));const K=this.minSphericalHarmonicsCoeff,q=this.maxSphericalHarmonicsCoeff;t>=1&&(R(A,F,3,0,this.compressionLevel),R(f,F,3,1,this.compressionLevel),R(g,F,3,2,this.compressionLevel),M?(O(A,A,this.compressionLevel,K,q),O(f,f,this.compressionLevel,K,q),O(g,g,this.compressionLevel,K,q),U.rotateSphericalHarmonics3(A,f,g,a,l,c,x,v,I)):(H(A,x),H(f,v),H(g,I)),L(x,e,P,V),L(v,e,P+3,V),L(I,e,P+6,V),t>=2&&(R(A,F,5,9,this.compressionLevel),R(f,F,5,10,this.compressionLevel),R(g,F,5,11,this.compressionLevel),R(S,F,5,12,this.compressionLevel),R(y,F,5,13,this.compressionLevel),M?(O(A,A,this.compressionLevel,K,q),O(f,f,this.compressionLevel,K,q),O(g,g,this.compressionLevel,K,q),O(S,S,this.compressionLevel,K,q),O(y,y,this.compressionLevel,K,q),U.rotateSphericalHarmonics5(A,f,g,S,y,a,l,c,h,d,p,u,m,x,v,I,B,w)):(H(A,x),H(f,v),H(g,I),H(S,B),H(y,w)),L(x,e,P+9,V),L(v,e,P+12,V),L(I,e,P+15,V),L(B,e,P+18,V),L(w,e,P+21,V)))}}}();static dot3=(e,t,n,s,r)=>{r[0]=r[1]=r[2]=0;const i=s[0],o=s[1],a=s[2];U.addInto3(e[0]*i,e[1]*i,e[2]*i,r),U.addInto3(t[0]*o,t[1]*o,t[2]*o,r),U.addInto3(n[0]*a,n[1]*a,n[2]*a,r)};static addInto3=(e,t,n,s)=>{s[0]=s[0]+e,s[1]=s[1]+t,s[2]=s[2]+n};static dot5=(e,t,n,s,r,i,o)=>{o[0]=o[1]=o[2]=0;const a=i[0],l=i[1],c=i[2],h=i[3],d=i[4];U.addInto3(e[0]*a,e[1]*a,e[2]*a,o),U.addInto3(t[0]*l,t[1]*l,t[2]*l,o),U.addInto3(n[0]*c,n[1]*c,n[2]*c,o),U.addInto3(s[0]*h,s[1]*h,s[2]*h,o),U.addInto3(r[0]*d,r[1]*d,r[2]*d,o)};static rotateSphericalHarmonics3=(e,t,n,s,r,i,o,a,l)=>{U.dot3(e,t,n,s,o),U.dot3(e,t,n,r,a),U.dot3(e,t,n,i,l)};static rotateSphericalHarmonics5=(e,t,n,s,r,i,o,a,l,c,h,d,p,u,m,A,f,g)=>{const S=Math.sqrt(1/4),C=Math.sqrt(3/4),y=Math.sqrt(1/3),x=Math.sqrt(4/3),v=Math.sqrt(1/12);l[0]=S*(a[2]*i[0]+a[0]*i[2]+(i[2]*a[0]+i[0]*a[2])),l[1]=a[1]*i[0]+i[1]*a[0],l[2]=C*(a[1]*i[1]+i[1]*a[1]),l[3]=a[1]*i[2]+i[1]*a[2],l[4]=S*(a[2]*i[2]-a[0]*i[0]+(i[2]*a[2]-i[0]*a[0])),U.dot5(e,t,n,s,r,l,u),c[0]=S*(o[2]*i[0]+o[0]*i[2]+(i[2]*o[0]+i[0]*o[2])),c[1]=o[1]*i[0]+i[1]*o[0],c[2]=C*(o[1]*i[1]+i[1]*o[1]),c[3]=o[1]*i[2]+i[1]*o[2],c[4]=S*(o[2]*i[2]-o[0]*i[0]+(i[2]*o[2]-i[0]*o[0])),U.dot5(e,t,n,s,r,c,m),h[0]=y*(o[2]*o[0]+o[0]*o[2])+-v*(a[2]*a[0]+a[0]*a[2]+(i[2]*i[0]+i[0]*i[2])),h[1]=x*o[1]*o[0]+-y*(a[1]*a[0]+i[1]*i[0]),h[2]=o[1]*o[1]+-S*(a[1]*a[1]+i[1]*i[1]),h[3]=x*o[1]*o[2]+-y*(a[1]*a[2]+i[1]*i[2]),h[4]=y*(o[2]*o[2]-o[0]*o[0])+-v*(a[2]*a[2]-a[0]*a[0]+(i[2]*i[2]-i[0]*i[0])),U.dot5(e,t,n,s,r,h,A),d[0]=S*(o[2]*a[0]+o[0]*a[2]+(a[2]*o[0]+a[0]*o[2])),d[1]=o[1]*a[0]+a[1]*o[0],d[2]=C*(o[1]*a[1]+a[1]*o[1]),d[3]=o[1]*a[2]+a[1]*o[2],d[4]=S*(o[2]*a[2]-o[0]*a[0]+(a[2]*o[2]-a[0]*o[0])),U.dot5(e,t,n,s,r,d,f),p[0]=S*(a[2]*a[0]+a[0]*a[2]-(i[2]*i[0]+i[0]*i[2])),p[1]=a[1]*a[0]-i[1]*i[0],p[2]=C*(a[1]*a[1]-i[1]*i[1]),p[3]=a[1]*a[2]-i[1]*i[2],p[4]=S*(a[2]*a[2]-a[0]*a[0]-(i[2]*i[2]-i[0]*i[0])),U.dot5(e,t,n,s,r,p,g)};static parseHeader(t){const n=new Uint8Array(t,0,U.HeaderSizeBytes),s=new Uint16Array(t,0,U.HeaderSizeBytes/2),r=new Uint32Array(t,0,U.HeaderSizeBytes/4),i=new Float32Array(t,0,U.HeaderSizeBytes/4);return{versionMajor:n[0],versionMinor:n[1],maxSectionCount:r[1],sectionCount:r[2],maxSplatCount:r[3],splatCount:r[4],compressionLevel:s[10],sceneCenter:new e.Vector3(i[6],i[7],i[8]),minSphericalHarmonicsCoeff:i[9]||-T,maxSphericalHarmonicsCoeff:i[10]||T}}static writeHeaderCountsToBuffer(e,t,n){const s=new Uint32Array(n,0,U.HeaderSizeBytes/4);s[2]=e,s[4]=t}static writeHeaderToBuffer(e,t){const n=new Uint8Array(t,0,U.HeaderSizeBytes),s=new Uint16Array(t,0,U.HeaderSizeBytes/2),r=new Uint32Array(t,0,U.HeaderSizeBytes/4),i=new Float32Array(t,0,U.HeaderSizeBytes/4);n[0]=e.versionMajor,n[1]=e.versionMinor,n[2]=0,n[3]=0,r[1]=e.maxSectionCount,r[2]=e.sectionCount,r[3]=e.maxSplatCount,r[4]=e.splatCount,s[10]=e.compressionLevel,i[6]=e.sceneCenter.x,i[7]=e.sceneCenter.y,i[8]=e.sceneCenter.z,i[9]=e.minSphericalHarmonicsCoeff||-T,i[10]=e.maxSphericalHarmonicsCoeff||T}static parseSectionHeaders(e,t,n=0,s){const r=e.compressionLevel,i=e.maxSectionCount,o=new Uint16Array(t,n,i*U.SectionHeaderSizeBytes/2),a=new Uint32Array(t,n,i*U.SectionHeaderSizeBytes/4),l=new Float32Array(t,n,i*U.SectionHeaderSizeBytes/4),c=[];let h=0,d=h/2,p=h/4,u=U.HeaderSizeBytes+e.maxSectionCount*U.SectionHeaderSizeBytes,m=0;for(let e=0;e<i;e++){const t=a[p+1],n=a[p+2],i=a[p+3],A=l[p+4],f=A/2,g=o[d+10],S=a[p+6]||U.CompressionLevels[r].ScaleRange,C=a[p+8],y=a[p+9],x=4*y,v=g*i+x,I=o[d+20],{bytesPerSplat:B}=U.calculateComponentStorage(r,I),w=B*t,b=w+v,T={bytesPerSplat:B,splatCountOffset:m,splatCount:s?t:0,maxSplatCount:t,bucketSize:n,bucketCount:i,bucketBlockSize:A,halfBucketBlockSize:f,bucketStorageSizeBytes:g,bucketsStorageSizeBytes:v,splatDataStorageSizeBytes:w,storageSizeBytes:b,compressionScaleRange:S,compressionScaleFactor:f/S,base:u,bucketsBase:u+x,dataBase:u+v,fullBucketCount:C,partiallyFilledBucketCount:y,sphericalHarmonicsDegree:I};c[e]=T,u+=b,h+=U.SectionHeaderSizeBytes,d=h/2,p=h/4,m+=t}return c}static writeSectionHeaderToBuffer(e,t,n,s=0){const r=new Uint16Array(n,s,U.SectionHeaderSizeBytes/2),i=new Uint32Array(n,s,U.SectionHeaderSizeBytes/4),o=new Float32Array(n,s,U.SectionHeaderSizeBytes/4);i[0]=e.splatCount,i[1]=e.maxSplatCount,i[2]=t>=1?e.bucketSize:0,i[3]=t>=1?e.bucketCount:0,o[4]=t>=1?e.bucketBlockSize:0,r[10]=t>=1?U.BucketStorageSizeBytes:0,i[6]=t>=1?e.compressionScaleRange:0,i[7]=e.storageSizeBytes,i[8]=t>=1?e.fullBucketCount:0,i[9]=t>=1?e.partiallyFilledBucketCount:0,r[20]=e.sphericalHarmonicsDegree}static writeSectionHeaderSplatCountToBuffer(e,t,n=0){new Uint32Array(t,n,U.SectionHeaderSizeBytes/4)[0]=e}constructFromBuffer(t,n){this.bufferData=t,this.globalSplatIndexToLocalSplatIndexMap=[],this.globalSplatIndexToSectionMap=[];const s=U.parseHeader(this.bufferData);this.versionMajor=s.versionMajor,this.versionMinor=s.versionMinor,this.maxSectionCount=s.maxSectionCount,this.sectionCount=n?s.maxSectionCount:0,this.maxSplatCount=s.maxSplatCount,this.splatCount=n?s.maxSplatCount:0,this.compressionLevel=s.compressionLevel,this.sceneCenter=(new e.Vector3).copy(s.sceneCenter),this.minSphericalHarmonicsCoeff=s.minSphericalHarmonicsCoeff,this.maxSphericalHarmonicsCoeff=s.maxSphericalHarmonicsCoeff,this.sections=U.parseSectionHeaders(s,this.bufferData,U.HeaderSizeBytes,n),this.linkBufferArrays(),this.buildMaps()}static calculateComponentStorage(e,t){const n=U.CompressionLevels[e].BytesPerCenter,s=U.CompressionLevels[e].BytesPerScale,r=U.CompressionLevels[e].BytesPerRotation,i=U.CompressionLevels[e].BytesPerColor,o=C(t),a=U.CompressionLevels[e].BytesPerSphericalHarmonicsComponent*o;return{bytesPerCenter:n,bytesPerScale:s,bytesPerRotation:r,bytesPerColor:i,sphericalHarmonicsComponentsPerSplat:o,sphericalHarmonicsBytesPerSplat:a,bytesPerSplat:n+s+r+i+a}}linkBufferArrays(){for(let e=0;e<this.maxSectionCount;e++){const t=this.sections[e];t.bucketArray=new Float32Array(this.bufferData,t.bucketsBase,t.bucketCount*U.BucketStorageSizeFloats),t.partiallyFilledBucketCount>0&&(t.partiallyFilledBucketLengths=new Uint32Array(this.bufferData,t.base,t.partiallyFilledBucketCount))}}buildMaps(){let e=0;for(let t=0;t<this.maxSectionCount;t++){const n=this.sections[t];for(let s=0;s<n.maxSplatCount;s++){const n=e+s;this.globalSplatIndexToLocalSplatIndexMap[n]=s,this.globalSplatIndexToSectionMap[n]=t}e+=n.maxSplatCount}}updateLoadedCounts(e,t){U.writeHeaderCountsToBuffer(e,t,this.bufferData),this.sectionCount=e,this.splatCount=t}updateSectionLoadedCounts(e,t){const n=U.HeaderSizeBytes+U.SectionHeaderSizeBytes*e;U.writeSectionHeaderSplatCountToBuffer(t,this.bufferData,n),this.sections[e].splatCount=t}static writeSplatDataToSectionBuffer=function(){const t=new ArrayBuffer(12),n=new ArrayBuffer(12),s=new ArrayBuffer(16),r=new ArrayBuffer(4),i=new ArrayBuffer(256),o=new e.Quaternion,a=new e.Vector3,l=new e.Vector3,{X:c,Y:h,Z:d,SCALE0:p,SCALE1:u,SCALE2:m,ROTATION0:f,ROTATION1:g,ROTATION2:S,ROTATION3:y,FDC0:x,FDC1:v,FDC2:I,OPACITY:B,FRC0:b,FRC9:E}=w.OFFSET,M=(e,t,n)=>{const s=2*n+1;return e=Math.round(e*t)+n,A(e,0,s)};return function(e,A,w,R,P,H,k,L,z=-T,_=T){const Q=C(P),V=w,N=V+U.CompressionLevels[R].BytesPerCenter,G=N+U.CompressionLevels[R].BytesPerScale,K=G+U.CompressionLevels[R].BytesPerRotation,q=K+U.CompressionLevels[R].BytesPerColor;if(void 0!==e[f]?(o.set(e[f],e[g],e[S],e[y]),o.normalize()):o.set(1,0,0,0),void 0!==e[p]?a.set(e[p]||0,e[u]||0,e[m]||0):a.set(0,0,0),0===R){const t=new Float32Array(A,V,U.CenterComponentCount),n=new Float32Array(A,G,U.RotationComponentCount),s=new Float32Array(A,N,U.ScaleComponentCount);if(n.set([o.x,o.y,o.z,o.w]),s.set([a.x,a.y,a.z]),t.set([e[c],e[h],e[d]]),P>0){const t=new Float32Array(A,q,Q);if(P>=1){for(let n=0;n<9;n++)t[n]=e[b+n]||0;if(P>=2)for(let n=0;n<15;n++)t[n+9]=e[E+n]||0}}}else{const r=new Uint16Array(t,0,U.CenterComponentCount),p=new Uint16Array(s,0,U.RotationComponentCount),u=new Uint16Array(n,0,U.ScaleComponentCount);if(p.set([D(o.x),D(o.y),D(o.z),D(o.w)]),u.set([D(a.x),D(a.y),D(a.z)]),l.set(e[c],e[h],e[d]).sub(H),l.x=M(l.x,k,L),l.y=M(l.y,k,L),l.z=M(l.z,k,L),r.set([l.x,l.y,l.z]),P>0){const t=1===R?2:1,n=new(1===R?Uint16Array:Uint8Array)(i,0,Q);if(P>=1){for(let t=0;t<9;t++){const s=e[b+t]||0;n[t]=1===R?D(s):F(s,z,_)}const s=9*t;if(O(n.buffer,0,A,q,s),P>=2){for(let t=0;t<15;t++){const s=e[E+t]||0;n[t+9]=1===R?D(s):F(s,z,_)}O(n.buffer,s,A,q+s,15*t)}}}O(r.buffer,0,A,V,6),O(u.buffer,0,A,N,6),O(p.buffer,0,A,G,8)}const W=new Uint8ClampedArray(r,0,4);W.set([e[x]||0,e[v]||0,e[I]||0]),W[3]=e[B]||0,O(W.buffer,0,A,K,4)}}();static generateFromUncompressedSplatArrays(t,n,s,r,i,o,a=[]){let l,c,h=0;for(let e=0;e<t.length;e++){const n=t[e];h=Math.max(n.sphericalHarmonicsDegree,h)}for(let e=0;e<t.length;e++){const n=t[e];for(let e=0;e<n.splats.length;e++){const t=n.splats[e];for(let e=w.OFFSET.FRC0;e<w.OFFSET.FRC23&&e<t.length;e++)(!l||t[e]<l)&&(l=t[e]),(!c||t[e]>c)&&(c=t[e])}}l=l||-T,c=c||T;const{bytesPerSplat:d}=U.calculateComponentStorage(s,h),p=U.CompressionLevels[s].ScaleRange,u=[],m=[];let A=0;for(let r=0;r<t.length;r++){const f=t[r],g=new w(h);for(let e=0;e<f.splatCount;e++){const t=f.splats[e];(t[w.OFFSET.OPACITY]||0)>=n&&g.addSplat(t)}const S=a[r]||{},C=(S.blockSizeFactor||1)*(i||U.BucketBlockSize),y=Math.ceil((S.bucketSizeFactor||1)*(o||U.BucketSize)),x=U.computeBucketsForUncompressedSplatArray(g,C,y),v=x.fullBuckets.length,I=x.partiallyFullBuckets.map((e=>e.splats.length)),B=I.length,b=[...x.fullBuckets,...x.partiallyFullBuckets],T=g.splats.length*d,D=4*B,E=s>=1?b.length*U.BucketStorageSizeBytes+D:0,M=T+E,F=new ArrayBuffer(M),R=p/(.5*C),P=new e.Vector3;let H=0;for(let e=0;e<b.length;e++){const t=b[e];P.fromArray(t.center);for(let e=0;e<t.splats.length;e++){let n=t.splats[e];const r=g.splats[n],i=E+H*d;U.writeSplatDataToSectionBuffer(r,F,i,s,h,P,R,p,l,c),H++}}if(A+=H,s>=1){const e=new Uint32Array(F,0,4*I.length);for(let t=0;t<I.length;t++)e[t]=I[t];const t=new Float32Array(F,D,b.length*U.BucketStorageSizeFloats);for(let e=0;e<b.length;e++){const n=b[e],s=3*e;t[s]=n.center[0],t[s+1]=n.center[1],t[s+2]=n.center[2]}}u.push(F);const k=new ArrayBuffer(U.SectionHeaderSizeBytes);U.writeSectionHeaderToBuffer({maxSplatCount:H,splatCount:H,bucketSize:y,bucketCount:b.length,bucketBlockSize:C,compressionScaleRange:p,storageSizeBytes:M,fullBucketCount:v,partiallyFilledBucketCount:B,sphericalHarmonicsDegree:h},s,k,0),m.push(k)}let f=0;for(let e of u)f+=e.byteLength;const g=U.HeaderSizeBytes+U.SectionHeaderSizeBytes*u.length+f,S=new ArrayBuffer(g);U.writeHeaderToBuffer({versionMajor:0,versionMinor:1,maxSectionCount:u.length,sectionCount:u.length,maxSplatCount:A,splatCount:A,compressionLevel:s,sceneCenter:r,minSphericalHarmonicsCoeff:l,maxSphericalHarmonicsCoeff:c},S);let C=U.HeaderSizeBytes;for(let e of m)new Uint8Array(S,C,U.SectionHeaderSizeBytes).set(new Uint8Array(e)),C+=U.SectionHeaderSizeBytes;for(let e of u)new Uint8Array(S,C,e.byteLength).set(new Uint8Array(e)),C+=e.byteLength;return new U(S)}static computeBucketsForUncompressedSplatArray(t,n,s){let r=t.splatCount;const i=n/2,o=new e.Vector3,a=new e.Vector3;for(let e=0;e<r;e++){const n=t.splats[e],s=[n[w.OFFSET.X],n[w.OFFSET.Y],n[w.OFFSET.Z]];(0===e||s[0]<o.x)&&(o.x=s[0]),(0===e||s[0]>a.x)&&(a.x=s[0]),(0===e||s[1]<o.y)&&(o.y=s[1]),(0===e||s[1]>a.y)&&(a.y=s[1]),(0===e||s[2]<o.z)&&(o.z=s[2]),(0===e||s[2]>a.z)&&(a.z=s[2])}const l=(new e.Vector3).copy(a).sub(o),c=Math.ceil(l.y/n),h=Math.ceil(l.z/n),d=new e.Vector3,p=[],u={};for(let e=0;e<r;e++){const r=t.splats[e],a=[r[w.OFFSET.X],r[w.OFFSET.Y],r[w.OFFSET.Z]],l=Math.floor((a[0]-o.x)/n),m=Math.floor((a[1]-o.y)/n),A=Math.floor((a[2]-o.z)/n);d.x=l*n+o.x+i,d.y=m*n+o.y+i,d.z=A*n+o.z+i;const f=l*(c*h)+m*h+A;let g=u[f];g||(u[f]=g={splats:[],center:d.toArray()}),g.splats.push(e),g.splats.length>=s&&(p.push(g),u[f]=null)}const m=[];for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];t&&m.push(t)}return{fullBuckets:p,partiallyFullBuckets:m}}}const z=new Uint8Array([112,108,121,10]),_=new Uint8Array([10,101,110,100,95,104,101,97,100,101,114,10]),Q="end_header",V=new Map([["char",Int8Array],["uchar",Uint8Array],["short",Int16Array],["ushort",Uint16Array],["int",Int32Array],["uint",Uint32Array],["float",Float32Array],["double",Float64Array]]),N=(e,t)=>{const n=(1<<t)-1;return(e&n)/n},G=(e,t)=>{e.x=N(t>>>21,11),e.y=N(t>>>11,10),e.z=N(t,11)},K=(e,t,n)=>e*(1-n)+t*n,q=(e,t)=>e.properties.find((e=>e.name===t&&e.storage))?.storage;class W{static decodeHeaderText(e){let t,n,s;const r=e.split("\n").filter((e=>!e.startsWith("comment ")));let i=0,o=!1;for(let e=1;e<r.length;++e){const a=r[e].split(" ");switch(a[0]){case"format":if("binary_little_endian"!==a[1])throw new Error("Unsupported ply format");break;case"element":t={name:a[1],count:parseInt(a[2],10),properties:[],storageSizeBytes:0},"chunk"===t.name?n=t:"vertex"===t.name&&(s=t);break;case"property":{if(!V.has(a[1]))throw new Error(`Unrecognized property data type '${a[1]}' in ply header`);const e=V.get(a[1]),n=e.BYTES_PER_ELEMENT*t.count;"vertex"===t.name&&(i+=e.BYTES_PER_ELEMENT),t.properties.push({type:a[1],name:a[2],storage:null,byteSize:e.BYTES_PER_ELEMENT,storageSizeByes:n}),t.storageSizeBytes+=n;break}case Q:o=!0;break;default:throw new Error(`Unrecognized header value '${a[0]}' in ply header`)}if(o)break}return{chunkElement:n,vertexElement:s,bytesPerSplat:i,headerSizeBytes:e.indexOf(Q)+10+1,sphericalHarmonicsDegree:0}}static decodeHeader(e){let t,n=new Uint8Array(e);if(n.length>=z.length&&!((e,t)=>{if(e.length<t.length)return!1;for(let n=0;n<t.length;++n)if(e[n]!==t[n])return!1;return!0})(n,z))throw new Error("Invalid PLY header");if(t=((e,t)=>{const n=e.length-t.length;let s,r;for(s=0;s<=n;++s){for(r=0;r<t.length&&e[s+r]===t[r];++r);if(r===t.length)return s}return-1})(n,_),-1===t)throw new Error("End of PLY header not found");const s=new TextDecoder("ascii").decode(n.slice(0,t)),{chunkElement:r,vertexElement:i,bytesPerSplat:o}=W.decodeHeaderText(s);return{headerSizeBytes:t+_.length,bytesPerSplat:o,chunkElement:r,vertexElement:i}}static readElementData(e,t,n,s,r,i=null){let o=t instanceof DataView?t:new DataView(t);s=s||0,r=r||e.count-1;for(let t=s;t<=r;++t)for(let s=0;s<e.properties.length;++s){const r=e.properties[s],a=V.get(r.type),l=a.BYTES_PER_ELEMENT*e.count;if(r.storage&&!(r.storage.byteLength<l)||i&&!i(r.name)||(r.storage=new a(e.count)),r.storage)switch(r.type){case"char":r.storage[t]=o.getInt8(n);break;case"uchar":r.storage[t]=o.getUint8(n);break;case"short":r.storage[t]=o.getInt16(n,!0);break;case"ushort":r.storage[t]=o.getUint16(n,!0);break;case"int":r.storage[t]=o.getInt32(n,!0);break;case"uint":r.storage[t]=o.getUint32(n,!0);break;case"float":r.storage[t]=o.getFloat32(n,!0);break;case"double":r.storage[t]=o.getFloat64(n,!0)}n+=r.byteSize}return n}static readPly(e,t=null){const n=W.decodeHeader(e);let s=W.readElementData(n.chunkElement,e,n.headerSizeBytes,null,null,t);return W.readElementData(n.vertexElement,e,s,null,null,t),{chunkElement:n.chunkElement,vertexElement:n.vertexElement}}static getElementStorageArrays(e,t){const n=q(e,"min_x"),s=q(e,"min_y"),r=q(e,"min_z"),i=q(e,"max_x"),o=q(e,"max_y"),a=q(e,"max_z"),l=q(e,"min_scale_x"),c=q(e,"min_scale_y"),h=q(e,"min_scale_z");return{positionExtremes:{minX:n,maxX:i,minY:s,maxY:o,minZ:r,maxZ:a},scaleExtremes:{minScaleX:l,maxScaleX:q(e,"max_scale_x"),minScaleY:c,maxScaleY:q(e,"max_scale_y"),minScaleZ:h,maxScaleZ:q(e,"max_scale_z")},position:q(t,"packed_position"),rotation:q(t,"packed_rotation"),scale:q(t,"packed_scale"),color:q(t,"packed_color")}}static decompressSplat=function(){const t=new e.Vector3,n=new e.Quaternion,s=new e.Vector3,r=new e.Vector4,i=w.OFFSET;return function(e,o,a,l,c,h,d,p,u){u=u||w.createSplat();const m=Math.floor((o+e)/256);var f,g;return G(t,a[e]),((e,t)=>{const n=1/(.5*Math.sqrt(2)),s=(N(t>>>20,10)-.5)*n,r=(N(t>>>10,10)-.5)*n,i=(N(t,10)-.5)*n,o=Math.sqrt(1-(s*s+r*r+i*i));switch(t>>>30){case 0:e.set(o,s,r,i);break;case 1:e.set(s,o,r,i);break;case 2:e.set(s,r,o,i);break;case 3:e.set(s,r,i,o)}})(n,d[e]),G(s,c[e]),f=r,g=p[e],f.x=N(g>>>24,8),f.y=N(g>>>16,8),f.z=N(g>>>8,8),f.w=N(g,8),u[i.X]=K(l.minX[m],l.maxX[m],t.x),u[i.Y]=K(l.minY[m],l.maxY[m],t.y),u[i.Z]=K(l.minZ[m],l.maxZ[m],t.z),u[i.ROTATION0]=n.x,u[i.ROTATION1]=n.y,u[i.ROTATION2]=n.z,u[i.ROTATION3]=n.w,u[i.SCALE0]=Math.exp(K(h.minScaleX[m],h.maxScaleX[m],s.x)),u[i.SCALE1]=Math.exp(K(h.minScaleY[m],h.maxScaleY[m],s.y)),u[i.SCALE2]=Math.exp(K(h.minScaleZ[m],h.maxScaleZ[m],s.z)),u[i.FDC0]=A(Math.floor(255*r.x),0,255),u[i.FDC1]=A(Math.floor(255*r.y),0,255),u[i.FDC2]=A(Math.floor(255*r.z),0,255),u[i.OPACITY]=A(Math.floor(255*r.w),0,255),u}}();static parseToUncompressedSplatBufferSection(e,t,n,s,r,i,o,a,l,c=null){W.readElementData(t,i,o,n,s,c);const h=U.CompressionLevels[0].SphericalHarmonicsDegrees[0].BytesPerSplat,{positionExtremes:d,scaleExtremes:p,position:u,rotation:m,scale:A,color:f}=W.getElementStorageArrays(e,t),g=w.createSplat();for(let e=n;e<=s;++e){W.decompressSplat(e,r,u,d,A,p,m,f,g);const t=e*h+l;U.writeSplatDataToSectionBuffer(g,a,t,0,0)}}static parseToUncompressedSplatArraySection(e,t,n,s,r,i,o,a,l=null){W.readElementData(t,i,o,n,s,l);const{positionExtremes:c,scaleExtremes:h,position:d,rotation:p,scale:u,color:m}=W.getElementStorageArrays(e,t);for(let e=n;e<=s;++e){const t=w.createSplat();W.decompressSplat(e,r,d,c,u,h,p,m,t),a.addSplat(t)}}static parseToUncompressedSplatArray(t){const{chunkElement:n,vertexElement:s}=W.readPly(t),r=new w,{positionExtremes:i,scaleExtremes:o,position:a,rotation:l,scale:c,color:h}=W.getElementStorageArrays(n,s);for(let e=0;e<s.count;++e){r.addDefaultSplat();const t=r.getSplat(r.splatCount-1);W.decompressSplat(e,0,a,i,c,o,l,h,t)}return(new e.Matrix4).identity(),r}}const j=0,Y=1,X=2,[J,Z,$,ee,te,ne,se]=[0,1,2,3,4,5,6],re={double:J,int:Z,uint:$,float:ee,short:te,ushort:ne,uchar:se},ie={[J]:8,[Z]:4,[$]:4,[ee]:4,[te]:2,[ne]:2,[se]:1};class oe{static HeaderEndToken="end_header";constructor(){}decodeSectionHeader(e,t,n=0){const s=[];let r=!1,i=-1,o=0,a=!1,l=null;const c=[],h=[],d=[],p=[],u={};for(let m=n;m<e.length;m++){const A=e[m].trim();if(A.startsWith("element")){if(r){i--;break}{r=!0,n=m,i=m;const e=A.split(" ");let t=0;for(let n of e){const e=n.trim();e.length>0&&(t++,2===t?l=e:3===t&&(o=parseInt(e)))}}}else if(A.startsWith("property")){const e=A.match(/(\w+)\s+(\w+)\s+(\w+)/);if(e){const n=e[2],s=e[3];d.push(s);const r=t[s];u[s]=n;const i=re[n];void 0!==r&&(p.push(s),c.push(r),h[r]=i)}}if(A===oe.HeaderEndToken){a=!0;break}r&&(s.push(A),i++)}const m=[];let A=0;for(let e of d){const n=u[e];if(u.hasOwnProperty(e)){const n=t[e];void 0!==n&&(m[n]=A)}A+=ie[re[n]]}const f=this.decodeSphericalHarmonicsFromSectionHeader(d,t);return{headerLines:s,headerStartLine:n,headerEndLine:i,fieldTypes:h,fieldIds:c,fieldOffsets:m,bytesPerVertex:A,vertexCount:o,dataSizeBytes:A*o,endOfHeader:a,sectionName:l,sphericalHarmonicsDegree:f.degree,sphericalHarmonicsCoefficientsPerChannel:f.coefficientsPerChannel,sphericalHarmonicsDegree1Fields:f.degree1Fields,sphericalHarmonicsDegree2Fields:f.degree2Fields}}decodeSphericalHarmonicsFromSectionHeader(e,t){let n=0,s=0;for(let t of e)t.startsWith("f_rest")&&n++;s=n/3;let r=0;s>=3&&(r=1),s>=8&&(r=2);let i=[],o=[];for(let e=0;e<3;e++){if(r>=1)for(let n=0;n<3;n++)i.push(t["f_rest_"+(n+s*e)]);if(r>=2)for(let n=0;n<5;n++)o.push(t["f_rest_"+(n+s*e+3)])}return{degree:r,coefficientsPerChannel:s,degree1Fields:i,degree2Fields:o}}static getHeaderSectionNames(e){const t=[];for(let n of e)if(n.startsWith("element")){const e=n.split(" ");let s=0;for(let n of e){const e=n.trim();e.length>0&&(s++,2===s&&t.push(e))}}return t}static checkTextForEndHeader(e){return!!e.includes(oe.HeaderEndToken)}static checkBufferForEndHeader(e,t,n,s){const r=new Uint8Array(e,Math.max(0,t-n),n),i=s.decode(r);return oe.checkTextForEndHeader(i)}static extractHeaderFromBufferToText(e){const t=new TextDecoder;let n=0,s="";const r=100;for(;;){if(n+r>=e.byteLength)throw new Error("End of file reached while searching for end of header");const i=new Uint8Array(e,n,r);if(s+=t.decode(i),n+=r,oe.checkBufferForEndHeader(e,n,200,t))break}return s}readHeaderFromBuffer(e){const t=new TextDecoder;let n=0,s="";const r=100;for(;;){if(n+r>=e.byteLength)throw new Error("End of file reached while searching for end of header");const i=new Uint8Array(e,n,r);if(s+=t.decode(i),n+=r,oe.checkBufferForEndHeader(e,n,200,t))break}return s}static convertHeaderTextToLines(e){const t=e.split("\n"),n=[];for(let e=0;e<t.length;e++){const s=t[e].trim();if(n.push(s),s===oe.HeaderEndToken)break}return n}static determineHeaderFormatFromHeaderText(e){const t=oe.convertHeaderTextToLines(e);let n=j;for(let e=0;e<t.length;e++){const s=t[e].trim();if(s.startsWith("element chunk")||s.match(/[A-Za-z]*packed_[A-Za-z]*/))n=X;else if(s.startsWith("element codebook_centers"))n=Y;else if(s===oe.HeaderEndToken)break}return n}static determineHeaderFormatFromPlyBuffer(e){const t=oe.extractHeaderFromBufferToText(e);return oe.determineHeaderFormatFromHeaderText(t)}static readVertex(e,t,n,s,r,i,o=!0){const a=n*t.bytesPerVertex+s,l=t.fieldOffsets,c=t.fieldTypes;for(let t of r){const n=c[t];n===ee?i[t]=e.getFloat32(a+l[t],!0):n===te?i[t]=e.getInt16(a+l[t],!0):n===ne?i[t]=e.getUint16(a+l[t],!0):n===Z?i[t]=e.getInt32(a+l[t],!0):n===$?i[t]=e.getUint32(a+l[t],!0):n===se&&(i[t]=o?e.getUint8(a+l[t])/255:e.getUint8(a+l[t]))}}}const ae=["scale_0","scale_1","scale_2","rot_0","rot_1","rot_2","rot_3","x","y","z","f_dc_0","f_dc_1","f_dc_2","opacity","red","green","blue","f_rest_0"],le=ae.map(((e,t)=>t)),[ce,he,de,pe,ue,me,Ae,fe,ge,Se,Ce,ye,xe,ve,Ie,Be,we,be]=le;class Te{constructor(){this.plyParserutils=new oe}decodeHeaderLines(e){let t=0;e.forEach((e=>{e.includes("f_rest_")&&t++}));let n=0;t>=45?n=45:t>=24?n=24:t>=9&&(n=9);let s=Array.from(Array(Math.max(n-1,0))).map(((e,t)=>`f_rest_${t+1}`));const r=[...ae,...s],i=r.map(((e,t)=>t)),o=i.reduce(((e,t)=>(e[r[t]]=t,e)),{}),a=this.plyParserutils.decodeSectionHeader(e,o,0);return a.splatCount=a.vertexCount,a.bytesPerSplat=a.bytesPerVertex,a.fieldsToReadIndexes=i,a}decodeHeaderText(e){const t=oe.convertHeaderTextToLines(e),n=this.decodeHeaderLines(t);return n.headerText=e,n.headerSizeBytes=e.indexOf(oe.HeaderEndToken)+oe.HeaderEndToken.length+1,n}decodeHeaderFromBuffer(e){const t=this.plyParserutils.readHeaderFromBuffer(e);return this.decodeHeaderText(t)}findSplatData(e,t){return new DataView(e,t.headerSizeBytes)}parseToUncompressedSplatBufferSection(e,t,n,s,r,i,o,a=0){a=Math.min(a,e.sphericalHarmonicsDegree);const l=U.CompressionLevels[0].SphericalHarmonicsDegrees[a].BytesPerSplat;for(let c=t;c<=n;c++){const t=Te.parseToUncompressedSplat(s,c,e,r,a),n=c*l+o;U.writeSplatDataToSectionBuffer(t,i,n,0,a)}}parseToUncompressedSplatArraySection(e,t,n,s,r,i,o=0){o=Math.min(o,e.sphericalHarmonicsDegree);for(let a=t;a<=n;a++){const t=Te.parseToUncompressedSplat(s,a,e,r,o);i.addSplat(t)}}decodeSectionSplatData(e,t,n,s){s=Math.min(s,n.sphericalHarmonicsDegree);const r=new w(s);for(let i=0;i<t;i++){const t=Te.parseToUncompressedSplat(e,i,n,0,s);r.addSplat(t)}return r}static parseToUncompressedSplat=function(){let t=[];const n=new e.Quaternion,s=w.OFFSET.X,r=w.OFFSET.Y,i=w.OFFSET.Z,o=w.OFFSET.SCALE0,a=w.OFFSET.SCALE1,l=w.OFFSET.SCALE2,c=w.OFFSET.ROTATION0,h=w.OFFSET.ROTATION1,d=w.OFFSET.ROTATION2,p=w.OFFSET.ROTATION3,u=w.OFFSET.FDC0,m=w.OFFSET.FDC1,f=w.OFFSET.FDC2,g=w.OFFSET.OPACITY,S=[];for(let e=0;e<45;e++)S[e]=w.OFFSET.FRC0+e;return function(e,C,y,x=0,v=0){v=Math.min(v,y.sphericalHarmonicsDegree),Te.readSplat(e,y,C,x,t);const I=w.createSplat(v);if(void 0!==t[ce]?(I[o]=Math.exp(t[ce]),I[a]=Math.exp(t[he]),I[l]=Math.exp(t[de])):(I[o]=.01,I[a]=.01,I[l]=.01),void 0!==t[Ce]){const e=.28209479177387814;I[u]=255*(.5+e*t[Ce]),I[m]=255*(.5+e*t[ye]),I[f]=255*(.5+e*t[xe])}else void 0!==t[Ie]?(I[u]=255*t[Ie],I[m]=255*t[Be],I[f]=255*t[we]):(I[u]=0,I[m]=0,I[f]=0);if(void 0!==t[ve]&&(I[g]=1/(1+Math.exp(-t[ve]))*255),I[u]=A(Math.floor(I[u]),0,255),I[m]=A(Math.floor(I[m]),0,255),I[f]=A(Math.floor(I[f]),0,255),I[g]=A(Math.floor(I[g]),0,255),v>=1&&void 0!==t[be]){for(let e=0;e<9;e++)I[S[e]]=t[y.sphericalHarmonicsDegree1Fields[e]];if(v>=2)for(let e=0;e<15;e++)I[S[9+e]]=t[y.sphericalHarmonicsDegree2Fields[e]]}return n.set(t[pe],t[ue],t[me],t[Ae]),n.normalize(),I[c]=n.x,I[h]=n.y,I[d]=n.z,I[p]=n.w,I[s]=t[fe],I[r]=t[ge],I[i]=t[Se],I}}();static readSplat(e,t,n,s,r){return oe.readVertex(e,t,n,s,t.fieldsToReadIndexes,r,!0)}parseToUncompressedSplatArray(e,t=0){const n=this.decodeHeaderFromBuffer(e),s=n.splatCount,r=this.findSplatData(e,n);return this.decodeSectionSplatData(r,s,n,t)}}const De=["features_dc","features_rest_0","features_rest_1","features_rest_2","features_rest_3","features_rest_4","features_rest_5","features_rest_6","features_rest_7","features_rest_8","features_rest_9","features_rest_10","features_rest_11","features_rest_12","features_rest_13","features_rest_14","opacity","scaling","rotation_re","rotation_im"],Ee=De.map(((e,t)=>t)),[Me,Fe,Re,Pe,He,ke,Le]=[0,1,4,16,17,18,19],Oe=["scale_0","scale_1","scale_2","rot_0","rot_1","rot_2","rot_3","x","y","z","f_dc_0","f_dc_1","f_dc_2","opacity","red","green","blue","f_rest_0","f_rest_1","f_rest_2","f_rest_3","f_rest_4","f_rest_5","f_rest_6","f_rest_7","f_rest_8","f_rest_9","f_rest_10","f_rest_11","f_rest_12","f_rest_13","f_rest_14","f_rest_15","f_rest_16","f_rest_17","f_rest_18","f_rest_19","f_rest_20","f_rest_21","f_rest_22","f_rest_23","f_rest_24","f_rest_25","f_rest_26","f_rest_27","f_rest_28","f_rest_29","f_rest_30","f_rest_31","f_rest_32","f_rest_33","f_rest_34","f_rest_35","f_rest_36","f_rest_37","f_rest_38","f_rest_39","f_rest_40","f_rest_41","f_rest_42","f_rest_43","f_rest_44","f_rest_45"],Ue=Oe.map(((e,t)=>t)),[ze,_e,Qe,Ve,Ne,Ge,Ke,qe,We,je,Ye,Xe,Je,Ze]=Ue,$e=Ye,et=Xe,tt=Je,nt=e=>{const t=(31744&e)>>10,n=1023&e;return(e>>15?-1:1)*(t?31===t?n?NaN:1/0:Math.pow(2,t-15)*(1+n/1024):n/1024*6103515625e-14)};class st{constructor(){this.plyParserutils=new oe}decodeSectionHeadersFromHeaderLines(e){const t=Ue.reduce(((e,t)=>(e[Oe[t]]=t,e)),{}),n=Ee.reduce(((e,t)=>(e[De[t]]=t,e)),{}),s=oe.getHeaderSectionNames(e);let r;for(let e=0;e<s.length;e++){"codebook_centers"===s[e]&&(r=e)}let i=0,o=!1;const a=[];let l=0;for(;!o;){let s;s=l===r?this.plyParserutils.decodeSectionHeader(e,n,i):this.plyParserutils.decodeSectionHeader(e,t,i),o=s.endOfHeader,i=s.headerEndLine+1,o||(s.splatCount=s.vertexCount,s.bytesPerSplat=s.bytesPerVertex),a.push(s),l++}return a}decodeSectionHeadersFromHeaderText(e){const t=oe.convertHeaderTextToLines(e);return this.decodeSectionHeadersFromHeaderLines(t)}getSplatCountFromSectionHeaders(e){let t=0;for(let n of e)"codebook_centers"!==n.sectionName&&(t+=n.vertexCount);return t}decodeHeaderFromHeaderText(e){const t=e.indexOf(oe.HeaderEndToken)+oe.HeaderEndToken.length+1,n=this.decodeSectionHeadersFromHeaderText(e);return{headerSizeBytes:t,sectionHeaders:n,splatCount:this.getSplatCountFromSectionHeaders(n)}}decodeHeaderFromBuffer(e){const t=this.plyParserutils.readHeaderFromBuffer(e);return this.decodeHeaderFromHeaderText(t)}findVertexData(e,t,n){let s=t.headerSizeBytes;for(let e=0;e<n&&e<t.sectionHeaders.length;e++){s+=t.sectionHeaders[e].dataSizeBytes}return new DataView(e,s,t.sectionHeaders[n].dataSizeBytes)}decodeCodeBook(e,t){const n=[],s=[];for(let r=0;r<t.vertexCount;r++){oe.readVertex(e,t,r,0,Ee,n);for(let e of Ee){const t=Ee[e];let r=s[t];r||(s[t]=r=[]),r.push(n[e])}}for(let e=0;e<s.length;e++){const t=s[e],n=.28209479177387814;for(let s=0;s<t.length;s++){const r=nt(t[s]);t[s]=e===Pe?Math.round(1/(1+Math.exp(-r))*255):e===Me?Math.round(255*(.5+n*r)):e===He?Math.exp(r):r}}return s}decodeSectionSplatData(e,t,n,s,r){r=Math.min(r,n.sphericalHarmonicsDegree);const i=new w(r);for(let o=0;o<t;o++){const t=st.parseToUncompressedSplat(e,o,n,s,0,r);i.addSplat(t)}return i}static parseToUncompressedSplat=function(){let t=[];const n=new e.Quaternion,s=w.OFFSET.X,r=w.OFFSET.Y,i=w.OFFSET.Z,o=w.OFFSET.SCALE0,a=w.OFFSET.SCALE1,l=w.OFFSET.SCALE2,c=w.OFFSET.ROTATION0,h=w.OFFSET.ROTATION1,d=w.OFFSET.ROTATION2,p=w.OFFSET.ROTATION3,u=w.OFFSET.FDC0,m=w.OFFSET.FDC1,f=w.OFFSET.FDC2,g=w.OFFSET.OPACITY,S=[];for(let e=0;e<45;e++)S[e]=w.OFFSET.FRC0+e;return function(e,C,y,x,v=0,I=0){I=Math.min(I,y.sphericalHarmonicsDegree),st.readSplat(e,y,C,v,t);const B=w.createSplat(I);if(void 0!==t[ze]?(B[o]=x[He][t[ze]],B[a]=x[He][t[_e]],B[l]=x[He][t[Qe]]):(B[o]=.01,B[a]=.01,B[l]=.01),void 0!==t[Ye]?(B[u]=x[Me][t[Ye]],B[m]=x[Me][t[Xe]],B[f]=x[Me][t[Je]]):void 0!==t[$e]?(B[u]=255*t[$e],B[m]=255*t[et],B[f]=255*t[tt]):(B[u]=0,B[m]=0,B[f]=0),void 0!==t[Ze]&&(B[g]=x[Pe][t[Ze]]),B[u]=A(Math.floor(B[u]),0,255),B[m]=A(Math.floor(B[m]),0,255),B[f]=A(Math.floor(B[f]),0,255),B[g]=A(Math.floor(B[g]),0,255),I>=1&&y.sphericalHarmonicsDegree>=1){for(let e=0;e<9;e++){const n=x[Fe+e%3];B[S[e]]=n[t[y.sphericalHarmonicsDegree1Fields[e]]]}if(I>=2&&y.sphericalHarmonicsDegree>=2)for(let e=0;e<15;e++){const n=x[Re+e%5];B[S[9+e]]=n[t[y.sphericalHarmonicsDegree2Fields[e]]]}}const b=x[ke][t[Ve]],T=x[Le][t[Ne]],D=x[Le][t[Ge]],E=x[Le][t[Ke]];return n.set(b,T,D,E),n.normalize(),B[c]=n.x,B[h]=n.y,B[d]=n.z,B[p]=n.w,B[s]=nt(t[qe]),B[r]=nt(t[We]),B[i]=nt(t[je]),B}}();static readSplat(e,t,n,s,r){return oe.readVertex(e,t,n,s,Ue,r,!1)}parseToUncompressedSplatArray(e,t=0){const n=[],s=this.decodeHeaderFromBuffer(e,t);let r;for(let t=0;t<s.sectionHeaders.length;t++){const n=s.sectionHeaders[t];if("codebook_centers"===n.sectionName){const i=this.findVertexData(e,s,t);r=this.decodeCodeBook(i,n)}}for(let i=0;i<s.sectionHeaders.length;i++){const o=s.sectionHeaders[i];if("codebook_centers"!==o.sectionName){const a=o.vertexCount,l=this.findVertexData(e,s,i),c=this.decodeSectionSplatData(l,a,o,r,t);n.push(c)}}const i=new w(t);for(let e of n)for(let t of e.splats)i.addSplat(t);return i}}class rt{static parseToUncompressedSplatArray(e,t=0){const n=oe.determineHeaderFormatFromPlyBuffer(e);return n===X?W.parseToUncompressedSplatArray(e):n===j?(new Te).parseToUncompressedSplatArray(e,t):n===Y?(new st).parseToUncompressedSplatArray(e,t):void 0}}class it{constructor(e,t,n,s){this.sectionCount=e,this.sectionFilters=t,this.groupingParameters=n,this.partitionGenerator=s}partitionUncompressedSplatArray(e){let t,n,s;if(this.partitionGenerator){const r=this.partitionGenerator(e);t=r.groupingParameters,n=r.sectionCount,s=r.sectionFilters}else t=this.groupingParameters,n=this.sectionCount,s=this.sectionFilters;const r=[];for(let t=0;t<n;t++){const n=new w(e.sphericalHarmonicsDegree),i=s[t];for(let t=0;t<e.splatCount;t++)i(t)&&n.addSplat(e.splats[t]);r.push(n)}return{splatArrays:r,parameters:t}}static getStandardPartitioner(t=0,n=new e.Vector3,s=U.BucketBlockSize,r=U.BucketSize){return new it(void 0,void 0,void 0,(i=>{const o=w.OFFSET.X,a=w.OFFSET.Y,l=w.OFFSET.Z;t<=0&&(t=i.splatCount);const c=new e.Vector3,h=.5;i.splats.forEach((e=>{var t;c.set(e[o],e[a],e[l]).sub(n),(t=c).x=Math.floor(t.x/h)*h,t.y=Math.floor(t.y/h)*h,t.z=Math.floor(t.z/h)*h,e.centerDist=c.lengthSq()})),i.splats.sort(((e,t)=>e.centerDist>t.centerDist?1:-1));const d=[],p=[];t=Math.min(i.splatCount,t);const u=Math.ceil(i.splatCount/t);let m=0;for(let e=0;e<u;e++){let e=m;d.push((n=>n>=e&&n<e+t)),p.push({blocksSize:s,bucketSize:r}),m+=t}return{sectionCount:d.length,sectionFilters:d,groupingParameters:p}}))}}class ot{constructor(t,n,s,r,i,o,a){this.splatPartitioner=t,this.alphaRemovalThreshold=n,this.compressionLevel=s,this.sectionSize=r,this.sceneCenter=i?(new e.Vector3).copy(i):void 0,this.blockSize=o,this.bucketSize=a}generateFromUncompressedSplatArray(e){const t=this.splatPartitioner.partitionUncompressedSplatArray(e);return U.generateFromUncompressedSplatArrays(t.splatArrays,this.alphaRemovalThreshold,this.compressionLevel,this.sceneCenter,this.blockSize,this.bucketSize,t.parameters)}static getStandardGenerator(t=1,n=1,s=0,r=new e.Vector3,i=U.BucketBlockSize,o=U.BucketSize){const a=it.getStandardPartitioner(s,r,i,o);return new ot(a,t,n,s,r,i,o)}}const at=0,lt=1,ct=2;class ht extends Error{constructor(e){super(e)}}const dt=0,pt=1,ut=2;function mt(e,t){let n=0;for(let t of e)n+=t.sizeBytes;(!t||t.byteLength<n)&&(t=new ArrayBuffer(n));let s=0;for(let n of e)new Uint8Array(t,s,n.sizeBytes).set(n.data),s+=n.sizeBytes;return t}function At(t,n,s,r,i,o,a,l){if(n){return ot.getStandardGenerator(s,r,i,o,a,l).generateFromUncompressedSplatArray(t)}return U.generateFromUncompressedSplatArrays([t],s,0,new e.Vector3)}class ft{static loadFromURL(t,n,s,r,i,o,a=!0,l=0,c,h,d,p){let u=s?dt:pt;a&&(u=pt);const A=b.ProgressiveLoadSectionSize,f=U.HeaderSizeBytes+U.SectionHeaderSizeBytes;let g,C,x,v,I=0,B=0,T=!1,D=!1,E=!1;const M=y();let F,R=0,P=0,H=0,k="",L=null,O=[];const z=new TextDecoder,_=new Te;return n&&n(0,"0%",at),m(t,((t,i,o)=>{const a=t>=100;if(o&&(O.push({data:o,sizeBytes:o.byteLength,startBytes:H,endBytes:H+o.byteLength}),H+=o.byteLength),u===ut)a&&M.resolve(O);else{if(T){if(E&&!D){const e=L.headerSizeBytes+L.chunkElement.storageSizeBytes;v=mt(O,v),v.byteLength>=e&&(W.readElementData(L.chunkElement,v,L.headerSizeBytes),R=e,P=e,D=!0)}}else if(k+=z.decode(o),oe.checkTextForEndHeader(k)){const t=oe.determineHeaderFormatFromHeaderText(k);if(t===j)L=_.decodeHeaderText(k),I=L.splatCount,D=!0,E=!1;else{if(t!==X){if(s)throw new ht("PlyLoader.loadFromURL() -> Selected Ply format cannot be directly loaded.");return void(u=ut)}L=W.decodeHeaderText(k),I=L.vertexElement.count,E=!0}l=Math.min(l,L.sphericalHarmonicsDegree);const n=U.CompressionLevels[0].SphericalHarmonicsDegrees[l],r=f+n.BytesPerSplat*I;u===dt?(C=new ArrayBuffer(r),U.writeHeaderToBuffer({versionMajor:U.CurrentMajorVersion,versionMinor:U.CurrentMinorVersion,maxSectionCount:1,sectionCount:1,maxSplatCount:I,splatCount:B,compressionLevel:0,sceneCenter:new e.Vector3},C)):F=new w(l),R=L.headerSizeBytes,P=L.headerSizeBytes,T=!0}if(T&&D){if(O.length>0){g=mt(O,g);if(H-R>A||a){const e=H-P,t=Math.floor(e/L.bytesPerSplat),n=t*L.bytesPerSplat,s=e-n,i=B+t,o=P-O[0].startBytes,c=new DataView(g,o,n),h=U.CompressionLevels[0].SphericalHarmonicsDegrees[l],d=B*h.BytesPerSplat+f;if(u===dt?E?W.parseToUncompressedSplatBufferSection(L.chunkElement,L.vertexElement,0,t-1,B,c,0,C,d):_.parseToUncompressedSplatBufferSection(L,0,t-1,c,0,C,d,l):E?W.parseToUncompressedSplatArraySection(L.chunkElement,L.vertexElement,0,t-1,B,c,0,F):_.parseToUncompressedSplatArraySection(L,0,t-1,c,0,F,l),B=i,u===dt&&(x||(U.writeSectionHeaderToBuffer({maxSplatCount:I,splatCount:B,bucketSize:0,bucketCount:0,bucketBlockSize:0,compressionScaleRange:0,storageSizeBytes:0,fullBucketCount:0,partiallyFilledBucketCount:0,sphericalHarmonicsDegree:l},0,C,U.HeaderSizeBytes),x=new U(C,!1)),x.updateLoadedCounts(1,B),r&&r(x,a)),R+=A,P+=n,0===s)O=[];else{let e=[],t=0;for(let n=O.length-1;n>=0;n--){const r=O[n];if(t+=r.sizeBytes,e.unshift(r),t>=s)break}O=e}}}a&&(u===dt?M.resolve(x):M.resolve(F))}}n&&n(t,i,at)}),!1).then((()=>(n&&n(0,"0%",lt),M.promise.then((e=>{if(n&&n(100,"100%",ct),u===ut){const e=O.map((e=>e.data));return new Blob(e).arrayBuffer().then((e=>ft.loadFromFileData(e,i,o,a,l,c,h,d,p)))}return u===dt?e:S((()=>At(e,a,i,o,c,h,d,p)))})))))}static loadFromFileData(e,t,n,s,r=0,i,o,a,l){return S((()=>rt.parseToUncompressedSplatArray(e,r))).then((e=>At(e,s,t,n,i,o,a,l)))}}class gt{static RowSizeBytes=32;static CenterSizeBytes=12;static ScaleSizeBytes=12;static RotationSizeBytes=4;static ColorSizeBytes=4;static parseToUncompressedSplatBufferSection(t,n,s,r,i,o){const a=U.CompressionLevels[0].BytesPerCenter,l=U.CompressionLevels[0].BytesPerScale,c=U.CompressionLevels[0].BytesPerRotation,h=U.CompressionLevels[0].SphericalHarmonicsDegrees[0].BytesPerSplat;for(let d=t;d<=n;d++){const t=d*gt.RowSizeBytes+r,n=new Float32Array(s,t,3),p=new Float32Array(s,t+gt.CenterSizeBytes,3),u=new Uint8Array(s,t+gt.CenterSizeBytes+gt.ScaleSizeBytes,4),m=new Uint8Array(s,t+gt.CenterSizeBytes+gt.ScaleSizeBytes+gt.RotationSizeBytes,4),A=new e.Quaternion((m[1]-128)/128,(m[2]-128)/128,(m[3]-128)/128,(m[0]-128)/128);A.normalize();const f=d*h+o,g=new Float32Array(i,f,3),S=new Float32Array(i,f+a,3),C=new Float32Array(i,f+a+l,4),y=new Uint8Array(i,f+a+l+c,4);g[0]=n[0],g[1]=n[1],g[2]=n[2],S[0]=p[0],S[1]=p[1],S[2]=p[2],C[0]=A.w,C[1]=A.x,C[2]=A.y,C[3]=A.z,y[0]=u[0],y[1]=u[1],y[2]=u[2],y[3]=u[3]}}static parseToUncompressedSplatArraySection(t,n,s,r,i){for(let o=t;o<=n;o++){const t=o*gt.RowSizeBytes+r,n=new Float32Array(s,t,3),a=new Float32Array(s,t+gt.CenterSizeBytes,3),l=new Uint8Array(s,t+gt.CenterSizeBytes+gt.ScaleSizeBytes,4),c=new Uint8Array(s,t+gt.CenterSizeBytes+gt.ScaleSizeBytes+gt.RotationSizeBytes,4),h=new e.Quaternion((c[1]-128)/128,(c[2]-128)/128,(c[3]-128)/128,(c[0]-128)/128);h.normalize(),i.addSplatFromComonents(n[0],n[1],n[2],a[0],a[1],a[2],h.w,h.x,h.y,h.z,l[0],l[1],l[2],l[3])}}static parseStandardSplatToUncompressedSplatArray(t){const n=t.byteLength/gt.RowSizeBytes,s=new w;for(let r=0;r<n;r++){const n=r*gt.RowSizeBytes,i=new Float32Array(t,n,3),o=new Float32Array(t,n+gt.CenterSizeBytes,3),a=new Uint8Array(t,n+gt.CenterSizeBytes+gt.ScaleSizeBytes,4),l=new Uint8Array(t,n+gt.CenterSizeBytes+gt.ScaleSizeBytes+gt.ColorSizeBytes,4),c=new e.Quaternion((l[1]-128)/128,(l[2]-128)/128,(l[3]-128)/128,(l[0]-128)/128);c.normalize(),s.addSplatFromComonents(i[0],i[1],i[2],o[0],o[1],o[2],c.w,c.x,c.y,c.z,a[0],a[1],a[2],a[3])}return s}}function St(t,n,s,r,i,o,a,l){if(n){return ot.getStandardGenerator(s,r,i,o,a,l).generateFromUncompressedSplatArray(t)}return U.generateFromUncompressedSplatArrays([t],s,0,new e.Vector3)}class Ct{static loadFromURL(t,n,s,r,i,o,a=!0,l,c,h,d){let p=s?dt:pt;a&&(p=pt);const u=U.HeaderSizeBytes+U.SectionHeaderSizeBytes,A=b.ProgressiveLoadSectionSize;let f,g,C,x,v=0,I=0;const B=y();let T=0,D=0,E=[];return n&&n(0,"0%",at),m(t,((t,i,o,a)=>{const l=t>=100;if(o&&E.push(o),p!==ut)if(a){if(!f){v=a/gt.RowSizeBytes,f=new ArrayBuffer(a);const t=U.CompressionLevels[0].SphericalHarmonicsDegrees[0].BytesPerSplat;p===dt?(g=new ArrayBuffer(u+t*v),U.writeHeaderToBuffer({versionMajor:U.CurrentMajorVersion,versionMinor:U.CurrentMinorVersion,maxSectionCount:1,sectionCount:1,maxSplatCount:v,splatCount:I,compressionLevel:0,sceneCenter:new e.Vector3},g)):x=new w(0)}if(o){new Uint8Array(f,D,o.byteLength).set(new Uint8Array(o)),D+=o.byteLength;const e=D-T;if(e>A||l){const t=(l?e:A)/gt.RowSizeBytes,n=I+t;p===dt?gt.parseToUncompressedSplatBufferSection(I,n-1,f,0,g,u):gt.parseToUncompressedSplatArraySection(I,n-1,f,0,x),I=n,p===dt&&(C||(U.writeSectionHeaderToBuffer({maxSplatCount:v,splatCount:I,bucketSize:0,bucketCount:0,bucketBlockSize:0,compressionScaleRange:0,storageSizeBytes:0,fullBucketCount:0,partiallyFilledBucketCount:0},0,g,U.HeaderSizeBytes),C=new U(g,!1)),C.updateLoadedCounts(1,I),r&&r(C,l)),T+=A}}l&&(p===dt?B.resolve(C):B.resolve(x)),n&&n(t,i,at)}else{if(s)throw new ht("Cannon directly load .splat because no file size info is available.");p=ut}else l&&B.resolve(E)}),!1).then((()=>(n&&n(0,"0%",lt),B.promise.then((e=>(n&&n(100,"100%",ct),p===ut?new Blob(E).arrayBuffer().then((e=>Ct.loadFromFileData(e,i,o,a,l,c,h,d))):p===dt?e:S((()=>St(e,a,i,o,l,c,h,d)))))))))}static loadFromFileData(e,t,n,s,r,i,o,a){return S((()=>St(gt.parseStandardSplatToUncompressedSplatArray(e),s,t,n,r,i,o,a)))}}class yt{static checkVersion(e){const t=U.CurrentMajorVersion,n=U.CurrentMinorVersion,s=U.parseHeader(e);if(s.versionMajor===t&&s.versionMinor>=n||s.versionMajor>t)return!0;throw new Error(`KSplat version not supported: v${s.versionMajor}.${s.versionMinor}. Minimum required: v${t}.${n}`)}static loadFromURL(e,t,n,s){let r,i,o,a,l,c=!1,h=!1,d=[],p=!1,u=!1,A=0,f=0,g=0,S=!1,C=!1,x=!1,v=[];const I=y();let B=0;const w=()=>{const e=()=>{u=!0;new Blob(v).arrayBuffer().then((e=>{u=!1,p=!0,l=new ArrayBuffer(a.maxSectionCount*U.SectionHeaderSizeBytes),new Uint8Array(l).set(new Uint8Array(e,U.HeaderSizeBytes,a.maxSectionCount*U.SectionHeaderSizeBytes)),d=U.parseSectionHeaders(a,l,0,!1);let t=0;for(let e=0;e<a.maxSectionCount;e++)t+=d[e].storageSizeBytes;const n=U.HeaderSizeBytes+a.maxSectionCount*U.SectionHeaderSizeBytes+t;if(!r){r=new ArrayBuffer(n);let e=0;for(let t=0;t<v.length;t++){const n=v[t];new Uint8Array(r,e,n.byteLength).set(new Uint8Array(n)),e+=n.byteLength}}g=U.HeaderSizeBytes+U.SectionHeaderSizeBytes*a.maxSectionCount;for(let e=0;e<=d.length&&e<a.maxSectionCount;e++)g+=d[e].storageSizeBytes;0===B&&(B++,window.setTimeout((()=>{B--,T()}),1))}))};!u&&!p&&c&&A>=U.HeaderSizeBytes+U.SectionHeaderSizeBytes*a.maxSectionCount&&e()},T=()=>{if(x)return;x=!0;window.setTimeout((()=>{if(x=!1,p){if(C)return;if(S=A>=g,A-f>b.ProgressiveLoadSectionSize||S){f+=b.ProgressiveLoadSectionSize,C=f>=g,i||(i=new U(r,!1));const e=U.HeaderSizeBytes+U.SectionHeaderSizeBytes*a.maxSectionCount;let n=0,o=0,l=0;for(let t=0;t<a.maxSectionCount;t++){const s=d[t],r=e+(n+4*s.partiallyFilledBucketCount+s.bucketStorageSizeBytes*s.bucketCount);if(!(f>=r))break;{o++;const e=f-r,n=U.CompressionLevels[a.compressionLevel].SphericalHarmonicsDegrees[s.sphericalHarmonicsDegree].BytesPerSplat;let c=Math.floor(e/n);c=Math.min(c,s.maxSplatCount),l+=c,i.updateLoadedCounts(o,l),i.updateSectionLoadedCounts(t,c)}n+=s.storageSizeBytes}s(i,C);const c=f/g*100,h=c.toFixed(2)+"%";t&&t(c,h,at),C?I.resolve(i):T()}}}),b.ProgressiveLoadSectionDelayDuration)};return m(e,((e,s,i)=>{i&&(v.push(i),r&&new Uint8Array(r,A,i.byteLength).set(new Uint8Array(i)),A+=i.byteLength),n?(!c&&!h&&A>=U.HeaderSizeBytes&&(h=!0,new Blob(v).arrayBuffer().then((e=>{o=new ArrayBuffer(U.HeaderSizeBytes),new Uint8Array(o).set(new Uint8Array(e,0,U.HeaderSizeBytes)),yt.checkVersion(o),h=!1,c=!0,a=U.parseHeader(o),window.setTimeout((()=>{w()}),1)}))),w(),T()):t&&t(e,s,at)}),!n).then((e=>{t&&t(0,"0%",lt);return(n?I.promise:yt.loadFromFileData(e)).then((e=>(t&&t(100,"100%",ct),e)))}))}static loadFromFileData(e){return S((()=>(yt.checkVersion(e),new U(e))))}static downloadFile=function(){let e;return function(t,n){const s=new Blob([t.bufferData],{type:"application/octet-stream"});e||(e=document.createElement("a"),document.body.appendChild(e)),e.download=n,e.href=URL.createObjectURL(s),e.click()}}()}const xt={Splat:0,KSplat:1,Ply:2},vt=e=>e.endsWith(".ply")?xt.Ply:e.endsWith(".splat")?xt.Splat:e.endsWith(".ksplat")?xt.KSplat:null;var It=Object.freeze({__proto__:null,sceneFormatFromPath:vt});const Bt={type:"change"},wt={type:"start"},bt={type:"end"},Tt=new t,Dt=new n,Et=Math.cos(70*s.DEG2RAD);class Mt extends r{constructor(e,t){super(),this.object=e,this.domElement=t,this.domElement.style.touchAction="none",this.enabled=!0,this.target=new i,this.minDistance=0,this.maxDistance=1/0,this.minZoom=0,this.maxZoom=1/0,this.minPolarAngle=0,this.maxPolarAngle=Math.PI,this.minAzimuthAngle=-1/0,this.maxAzimuthAngle=1/0,this.enableDamping=!1,this.dampingFactor=.05,this.enableZoom=!0,this.zoomSpeed=1,this.enableRotate=!0,this.rotateSpeed=1,this.enablePan=!0,this.panSpeed=1,this.screenSpacePanning=!0,this.keyPanSpeed=7,this.zoomToCursor=!1,this.autoRotate=!1,this.autoRotateSpeed=2,this.keys={LEFT:"KeyA",UP:"KeyW",RIGHT:"KeyD",BOTTOM:"KeyS"},this.mouseButtons={LEFT:o.ROTATE,MIDDLE:o.DOLLY,RIGHT:o.PAN},this.touches={ONE:a.ROTATE,TWO:a.DOLLY_PAN},this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.zoom0=this.object.zoom,this._domElementKeyEvents=null,this.getPolarAngle=function(){return p.phi},this.getAzimuthalAngle=function(){return p.theta},this.getDistance=function(){return this.object.position.distanceTo(this.target)},this.listenToKeyEvents=function(e){e.addEventListener("keydown",Z),this._domElementKeyEvents=e},this.stopListenToKeyEvents=function(){this._domElementKeyEvents.removeEventListener("keydown",Z),this._domElementKeyEvents=null},this.saveState=function(){n.target0.copy(n.target),n.position0.copy(n.object.position),n.zoom0=n.object.zoom},this.reset=function(){n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.zoom=n.zoom0,this.clearDampedRotation(),this.clearDampedPan(),n.object.updateProjectionMatrix(),n.dispatchEvent(Bt),n.update(),r=s.NONE},this.clearDampedRotation=function(){u.theta=0,u.phi=0},this.clearDampedPan=function(){A.set(0,0,0)},this.update=function(){const t=new i,o=(new l).setFromUnitVectors(e.up,new i(0,1,0)),a=o.clone().invert(),c=new i,h=new l,f=new i,g=2*Math.PI;return function(){o.setFromUnitVectors(e.up,new i(0,1,0)),a.copy(o).invert();const l=n.object.position;t.copy(l).sub(n.target),t.applyQuaternion(o),p.setFromVector3(t),n.autoRotate&&r===s.NONE&&F(2*Math.PI/60/60*n.autoRotateSpeed),n.enableDamping?(p.theta+=u.theta*n.dampingFactor,p.phi+=u.phi*n.dampingFactor):(p.theta+=u.theta,p.phi+=u.phi);let S=n.minAzimuthAngle,C=n.maxAzimuthAngle;isFinite(S)&&isFinite(C)&&(S<-Math.PI?S+=g:S>Math.PI&&(S-=g),C<-Math.PI?C+=g:C>Math.PI&&(C-=g),p.theta=S<=C?Math.max(S,Math.min(C,p.theta)):p.theta>(S+C)/2?Math.max(S,p.theta):Math.min(C,p.theta)),p.phi=Math.max(n.minPolarAngle,Math.min(n.maxPolarAngle,p.phi)),p.makeSafe(),!0===n.enableDamping?n.target.addScaledVector(A,n.dampingFactor):n.target.add(A),n.zoomToCursor&&T||n.object.isOrthographicCamera?p.radius=z(p.radius):p.radius=z(p.radius*m),t.setFromSpherical(p),t.applyQuaternion(a),l.copy(n.target).add(t),n.object.lookAt(n.target),!0===n.enableDamping?(u.theta*=1-n.dampingFactor,u.phi*=1-n.dampingFactor,A.multiplyScalar(1-n.dampingFactor)):(u.set(0,0,0),A.set(0,0,0));let y=!1;if(n.zoomToCursor&&T){let s=null;if(n.object.isPerspectiveCamera){const e=t.length();s=z(e*m);const r=e-s;n.object.position.addScaledVector(w,r),n.object.updateMatrixWorld()}else if(n.object.isOrthographicCamera){const e=new i(b.x,b.y,0);e.unproject(n.object),n.object.zoom=Math.max(n.minZoom,Math.min(n.maxZoom,n.object.zoom/m)),n.object.updateProjectionMatrix(),y=!0;const r=new i(b.x,b.y,0);r.unproject(n.object),n.object.position.sub(r).add(e),n.object.updateMatrixWorld(),s=t.length()}else console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."),n.zoomToCursor=!1;null!==s&&(this.screenSpacePanning?n.target.set(0,0,-1).transformDirection(n.object.matrix).multiplyScalar(s).add(n.object.position):(Tt.origin.copy(n.object.position),Tt.direction.set(0,0,-1).transformDirection(n.object.matrix),Math.abs(n.object.up.dot(Tt.direction))<Et?e.lookAt(n.target):(Dt.setFromNormalAndCoplanarPoint(n.object.up,n.target),Tt.intersectPlane(Dt,n.target))))}else n.object.isOrthographicCamera&&(n.object.zoom=Math.max(n.minZoom,Math.min(n.maxZoom,n.object.zoom/m)),n.object.updateProjectionMatrix(),y=!0);return m=1,T=!1,!!(y||c.distanceToSquared(n.object.position)>d||8*(1-h.dot(n.object.quaternion))>d||f.distanceToSquared(n.target)>0)&&(n.dispatchEvent(Bt),c.copy(n.object.position),h.copy(n.object.quaternion),f.copy(n.target),y=!1,!0)}}(),this.dispose=function(){n.domElement.removeEventListener("contextmenu",$),n.domElement.removeEventListener("pointerdown",j),n.domElement.removeEventListener("pointercancel",X),n.domElement.removeEventListener("wheel",J),n.domElement.removeEventListener("pointermove",Y),n.domElement.removeEventListener("pointerup",X),null!==n._domElementKeyEvents&&(n._domElementKeyEvents.removeEventListener("keydown",Z),n._domElementKeyEvents=null)};const n=this,s={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_PAN:4,TOUCH_DOLLY_PAN:5,TOUCH_DOLLY_ROTATE:6};let r=s.NONE;const d=1e-6,p=new c,u=new c;let m=1;const A=new i,f=new h,g=new h,S=new h,C=new h,y=new h,x=new h,v=new h,I=new h,B=new h,w=new i,b=new h;let T=!1;const D=[],E={};function M(){return Math.pow(.95,n.zoomSpeed)}function F(e){u.theta-=e}function R(e){u.phi-=e}const P=function(){const e=new i;return function(t,n){e.setFromMatrixColumn(n,0),e.multiplyScalar(-t),A.add(e)}}(),H=function(){const e=new i;return function(t,s){!0===n.screenSpacePanning?e.setFromMatrixColumn(s,1):(e.setFromMatrixColumn(s,0),e.crossVectors(n.object.up,e)),e.multiplyScalar(t),A.add(e)}}(),k=function(){const e=new i;return function(t,s){const r=n.domElement;if(n.object.isPerspectiveCamera){const i=n.object.position;e.copy(i).sub(n.target);let o=e.length();o*=Math.tan(n.object.fov/2*Math.PI/180),P(2*t*o/r.clientHeight,n.object.matrix),H(2*s*o/r.clientHeight,n.object.matrix)}else n.object.isOrthographicCamera?(P(t*(n.object.right-n.object.left)/n.object.zoom/r.clientWidth,n.object.matrix),H(s*(n.object.top-n.object.bottom)/n.object.zoom/r.clientHeight,n.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),n.enablePan=!1)}}();function L(e){n.object.isPerspectiveCamera||n.object.isOrthographicCamera?m/=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),n.enableZoom=!1)}function O(e){n.object.isPerspectiveCamera||n.object.isOrthographicCamera?m*=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),n.enableZoom=!1)}function U(t){if(!n.zoomToCursor)return;T=!0;const s=n.domElement.getBoundingClientRect(),r=t.clientX-s.left,i=t.clientY-s.top,o=s.width,a=s.height;b.x=r/o*2-1,b.y=-i/a*2+1,w.set(b.x,b.y,1).unproject(e).sub(e.position).normalize()}function z(e){return Math.max(n.minDistance,Math.min(n.maxDistance,e))}function _(e){f.set(e.clientX,e.clientY)}function Q(e){C.set(e.clientX,e.clientY)}function V(){if(1===D.length)f.set(D[0].pageX,D[0].pageY);else{const e=.5*(D[0].pageX+D[1].pageX),t=.5*(D[0].pageY+D[1].pageY);f.set(e,t)}}function N(){if(1===D.length)C.set(D[0].pageX,D[0].pageY);else{const e=.5*(D[0].pageX+D[1].pageX),t=.5*(D[0].pageY+D[1].pageY);C.set(e,t)}}function G(){const e=D[0].pageX-D[1].pageX,t=D[0].pageY-D[1].pageY,n=Math.sqrt(e*e+t*t);v.set(0,n)}function K(e){if(1==D.length)g.set(e.pageX,e.pageY);else{const t=te(e),n=.5*(e.pageX+t.x),s=.5*(e.pageY+t.y);g.set(n,s)}S.subVectors(g,f).multiplyScalar(n.rotateSpeed);const t=n.domElement;F(2*Math.PI*S.x/t.clientHeight),R(2*Math.PI*S.y/t.clientHeight),f.copy(g)}function q(e){if(1===D.length)y.set(e.pageX,e.pageY);else{const t=te(e),n=.5*(e.pageX+t.x),s=.5*(e.pageY+t.y);y.set(n,s)}x.subVectors(y,C).multiplyScalar(n.panSpeed),k(x.x,x.y),C.copy(y)}function W(e){const t=te(e),s=e.pageX-t.x,r=e.pageY-t.y,i=Math.sqrt(s*s+r*r);I.set(0,i),B.set(0,Math.pow(I.y/v.y,n.zoomSpeed)),L(B.y),v.copy(I)}function j(e){!1!==n.enabled&&(0===D.length&&(n.domElement.setPointerCapture(e.pointerId),n.domElement.addEventListener("pointermove",Y),n.domElement.addEventListener("pointerup",X)),function(e){D.push(e)}(e),"touch"===e.pointerType?function(e){switch(ee(e),D.length){case 1:switch(n.touches.ONE){case a.ROTATE:if(!1===n.enableRotate)return;V(),r=s.TOUCH_ROTATE;break;case a.PAN:if(!1===n.enablePan)return;N(),r=s.TOUCH_PAN;break;default:r=s.NONE}break;case 2:switch(n.touches.TWO){case a.DOLLY_PAN:if(!1===n.enableZoom&&!1===n.enablePan)return;n.enableZoom&&G(),n.enablePan&&N(),r=s.TOUCH_DOLLY_PAN;break;case a.DOLLY_ROTATE:if(!1===n.enableZoom&&!1===n.enableRotate)return;n.enableZoom&&G(),n.enableRotate&&V(),r=s.TOUCH_DOLLY_ROTATE;break;default:r=s.NONE}break;default:r=s.NONE}r!==s.NONE&&n.dispatchEvent(wt)}(e):function(e){let t;switch(e.button){case 0:t=n.mouseButtons.LEFT;break;case 1:t=n.mouseButtons.MIDDLE;break;case 2:t=n.mouseButtons.RIGHT;break;default:t=-1}switch(t){case o.DOLLY:if(!1===n.enableZoom)return;!function(e){U(e),v.set(e.clientX,e.clientY)}(e),r=s.DOLLY;break;case o.ROTATE:if(e.ctrlKey||e.metaKey||e.shiftKey){if(!1===n.enablePan)return;Q(e),r=s.PAN}else{if(!1===n.enableRotate)return;_(e),r=s.ROTATE}break;case o.PAN:if(e.ctrlKey||e.metaKey||e.shiftKey){if(!1===n.enableRotate)return;_(e),r=s.ROTATE}else{if(!1===n.enablePan)return;Q(e),r=s.PAN}break;default:r=s.NONE}r!==s.NONE&&n.dispatchEvent(wt)}(e))}function Y(e){!1!==n.enabled&&("touch"===e.pointerType?function(e){switch(ee(e),r){case s.TOUCH_ROTATE:if(!1===n.enableRotate)return;K(e),n.update();break;case s.TOUCH_PAN:if(!1===n.enablePan)return;q(e),n.update();break;case s.TOUCH_DOLLY_PAN:if(!1===n.enableZoom&&!1===n.enablePan)return;!function(e){n.enableZoom&&W(e),n.enablePan&&q(e)}(e),n.update();break;case s.TOUCH_DOLLY_ROTATE:if(!1===n.enableZoom&&!1===n.enableRotate)return;!function(e){n.enableZoom&&W(e),n.enableRotate&&K(e)}(e),n.update();break;default:r=s.NONE}}(e):function(e){switch(r){case s.ROTATE:if(!1===n.enableRotate)return;!function(e){g.set(e.clientX,e.clientY),S.subVectors(g,f).multiplyScalar(n.rotateSpeed);const t=n.domElement;F(2*Math.PI*S.x/t.clientHeight),R(2*Math.PI*S.y/t.clientHeight),f.copy(g),n.update()}(e);break;case s.DOLLY:if(!1===n.enableZoom)return;!function(e){I.set(e.clientX,e.clientY),B.subVectors(I,v),B.y>0?L(M()):B.y<0&&O(M()),v.copy(I),n.update()}(e);break;case s.PAN:if(!1===n.enablePan)return;!function(e){y.set(e.clientX,e.clientY),x.subVectors(y,C).multiplyScalar(n.panSpeed),k(x.x,x.y),C.copy(y),n.update()}(e)}}(e))}function X(e){!function(e){delete E[e.pointerId];for(let t=0;t<D.length;t++)if(D[t].pointerId==e.pointerId)return void D.splice(t,1)}(e),0===D.length&&(n.domElement.releasePointerCapture(e.pointerId),n.domElement.removeEventListener("pointermove",Y),n.domElement.removeEventListener("pointerup",X)),n.dispatchEvent(bt),r=s.NONE}function J(e){!1!==n.enabled&&!1!==n.enableZoom&&r===s.NONE&&(e.preventDefault(),n.dispatchEvent(wt),function(e){U(e),e.deltaY<0?O(M()):e.deltaY>0&&L(M()),n.update()}(e),n.dispatchEvent(bt))}function Z(e){!1!==n.enabled&&!1!==n.enablePan&&function(e){let t=!1;switch(e.code){case n.keys.UP:e.ctrlKey||e.metaKey||e.shiftKey?R(2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):k(0,n.keyPanSpeed),t=!0;break;case n.keys.BOTTOM:e.ctrlKey||e.metaKey||e.shiftKey?R(-2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):k(0,-n.keyPanSpeed),t=!0;break;case n.keys.LEFT:e.ctrlKey||e.metaKey||e.shiftKey?F(2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):k(n.keyPanSpeed,0),t=!0;break;case n.keys.RIGHT:e.ctrlKey||e.metaKey||e.shiftKey?F(-2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):k(-n.keyPanSpeed,0),t=!0}t&&(e.preventDefault(),n.update())}(e)}function $(e){!1!==n.enabled&&e.preventDefault()}function ee(e){let t=E[e.pointerId];void 0===t&&(t=new h,E[e.pointerId]=t),t.set(e.pageX,e.pageY)}function te(e){const t=e.pointerId===D[0].pointerId?D[1]:D[0];return E[t.pointerId]}n.domElement.addEventListener("contextmenu",$),n.domElement.addEventListener("pointerdown",j),n.domElement.addEventListener("pointercancel",X),n.domElement.addEventListener("wheel",J,{passive:!1}),this.update()}}class Ft{static elementIDGen=0;constructor(e,t){this.taskIDGen=0,this.elementID=Ft.elementIDGen++,this.tasks=[],this.message=e||"Loading...",this.container=t||document.body,this.spinnerContainerOuter=document.createElement("div"),this.spinnerContainerOuter.className=`spinnerOuterContainer${this.elementID}`,this.spinnerContainerOuter.style.display="none",this.spinnerContainerPrimary=document.createElement("div"),this.spinnerContainerPrimary.className=`spinnerContainerPrimary${this.elementID}`,this.spinnerPrimary=document.createElement("div"),this.spinnerPrimary.classList.add(`spinner${this.elementID}`,`spinnerPrimary${this.elementID}`),this.messageContainerPrimary=document.createElement("div"),this.messageContainerPrimary.classList.add(`messageContainer${this.elementID}`,`messageContainerPrimary${this.elementID}`),this.messageContainerPrimary.innerHTML=this.message,this.spinnerContainerMin=document.createElement("div"),this.spinnerContainerMin.className=`spinnerContainerMin${this.elementID}`,this.spinnerMin=document.createElement("div"),this.spinnerMin.classList.add(`spinner${this.elementID}`,`spinnerMin${this.elementID}`),this.messageContainerMin=document.createElement("div"),this.messageContainerMin.classList.add(`messageContainer${this.elementID}`,`messageContainerMin${this.elementID}`),this.messageContainerMin.innerHTML=this.message,this.spinnerContainerPrimary.appendChild(this.spinnerPrimary),this.spinnerContainerPrimary.appendChild(this.messageContainerPrimary),this.spinnerContainerOuter.appendChild(this.spinnerContainerPrimary),this.spinnerContainerMin.appendChild(this.spinnerMin),this.spinnerContainerMin.appendChild(this.messageContainerMin),this.spinnerContainerOuter.appendChild(this.spinnerContainerMin);const n=document.createElement("style");n.innerHTML=`\n\n .spinnerOuterContainer${this.elementID} {\n width: 100%;\n height: 100%;\n margin: 0;\n top: 0;\n left: 0;\n position: absolute;\n pointer-events: none;\n }\n\n .messageContainer${this.elementID} {\n height: 20px;\n font-family: arial;\n font-size: 12pt;\n color: #ffffff;\n text-align: center;\n vertical-align: middle;\n }\n\n .spinner${this.elementID} {\n padding: 15px;\n background: #07e8d6;\n z-index:99999;\n \n aspect-ratio: 1;\n border-radius: 50%;\n --_m: \n conic-gradient(#0000,#000),\n linear-gradient(#000 0 0) content-box;\n -webkit-mask: var(--_m);\n mask: var(--_m);\n -webkit-mask-composite: source-out;\n mask-composite: subtract;\n box-sizing: border-box;\n animation: load 1s linear infinite;\n }\n\n .spinnerContainerPrimary${this.elementID} {\n z-index:99999;\n background-color: rgba(128, 128, 128, 0.75);\n border: #666666 1px solid;\n border-radius: 5px;\n padding-top: 20px;\n padding-bottom: 10px;\n margin: 0;\n position: absolute;\n top: 50%;\n left: 50%;\n transform: translate(-80px, -80px);\n width: 180px;\n pointer-events: auto;\n }\n\n .spinnerPrimary${this.elementID} {\n width: 120px;\n margin-left: 30px;\n }\n\n .messageContainerPrimary${this.elementID} {\n padding-top: 15px;\n }\n\n .spinnerContainerMin${this.elementID} {\n z-index:99999;\n background-color: rgba(128, 128, 128, 0.75);\n border: #666666 1px solid;\n border-radius: 5px;\n padding-top: 20px;\n padding-bottom: 15px;\n margin: 0;\n position: absolute;\n bottom: 50px;\n left: 50%;\n transform: translate(-50%, 0);\n display: flex;\n flex-direction: left;\n pointer-events: auto;\n min-width: 250px;\n }\n\n .messageContainerMin${this.elementID} {\n margin-right: 15px;\n }\n\n .spinnerMin${this.elementID} {\n width: 50px;\n height: 50px;\n margin-left: 15px;\n margin-right: 25px;\n }\n\n .messageContainerMin${this.elementID} {\n padding-top: 15px;\n }\n \n @keyframes load {\n to{transform: rotate(1turn)}\n }\n\n `,this.spinnerContainerOuter.appendChild(n),this.container.appendChild(this.spinnerContainerOuter),this.setMinimized(!1,!0),this.fadeTransitions=[]}addTask(e){const t={message:e,id:this.taskIDGen++};return this.tasks.push(t),this.update(),t.id}removeTask(e){let t=0;for(let n of this.tasks){if(n.id===e){this.tasks.splice(t,1);break}t++}this.update()}removeAllTasks(){this.tasks=[],this.update()}setMessageForTask(e,t){for(let n of this.tasks)if(n.id===e){n.message=t;break}this.update()}update(){this.tasks.length>0?(this.show(),this.setMessage(this.tasks[this.tasks.length-1].message)):this.hide()}show(){this.spinnerContainerOuter.style.display="block",this.visible=!0}hide(){this.spinnerContainerOuter.style.display="none",this.visible=!1}setContainer(e){this.container&&this.spinnerContainerOuter.parentElement===this.container&&this.container.removeChild(this.spinnerContainerOuter),e&&(this.container=e,this.container.appendChild(this.spinnerContainerOuter),this.spinnerContainerOuter.style.zIndex=this.container.style.zIndex+1)}setMinimized(e,t){const n=(e,t,n,s,r)=>{n?e.style.display=t?s:"none":this.fadeTransitions[r]=((e,t,n,s,r)=>{const i=performance.now();let o="none"===e.style.display?0:parseFloat(e.style.opacity);isNaN(o)&&(o=1);const a=window.setInterval((()=>{const l=performance.now()-i;let c,h=Math.min(l/s,1);h>.999&&(h=1),t?(c=(1-h)*o,c<1e-4&&(c=0)):c=(1-o)*h+o,c>0?(e.style.display=n,e.style.opacity=c):e.style.display="none",h>=1&&(r&&r(),window.clearInterval(a))}),16);return a})(e,!t,s,500,(()=>{this.fadeTransitions[r]=null}))};n(this.spinnerContainerPrimary,!e,t,"block",0),n(this.spinnerContainerMin,e,t,"flex",1),this.minimized=e}setMessage(e){this.messageContainerPrimary.innerHTML=e,this.messageContainerMin.innerHTML=e}}class Rt{constructor(e){this.idGen=0,this.tasks=[],this.container=e||document.body,this.progressBarContainerOuter=document.createElement("div"),this.progressBarContainerOuter.className="progressBarOuterContainer",this.progressBarContainerOuter.style.display="none",this.progressBarBox=document.createElement("div"),this.progressBarBox.className="progressBarBox",this.progressBarBackground=document.createElement("div"),this.progressBarBackground.className="progressBarBackground",this.progressBar=document.createElement("div"),this.progressBar.className="progressBar",this.progressBarBackground.appendChild(this.progressBar),this.progressBarBox.appendChild(this.progressBarBackground),this.progressBarContainerOuter.appendChild(this.progressBarBox);const t=document.createElement("style");t.innerHTML="\n\n .progressBarOuterContainer {\n width: 100%;\n height: 100%;\n margin: 0;\n top: 0;\n left: 0;\n position: absolute;\n pointer-events: none;\n }\n\n .progressBarBox {\n z-index:99999;\n padding: 7px 9px 5px 7px;\n background-color: rgba(190, 190, 190, 0.75);\n border: #555555 1px solid;\n border-radius: 15px;\n margin: 0;\n position: absolute;\n bottom: 50px;\n left: 50%;\n transform: translate(-50%, 0);\n width: 180px;\n height: 30px;\n pointer-events: auto;\n }\n\n .progressBarBackground {\n width: 100%;\n height: 25px;\n border-radius:10px;\n background-color: rgba(128, 128, 128, 0.75);\n border: #444444 1px solid;\n box-shadow: inset 0 0 10px #333333;\n }\n\n .progressBar {\n height: 25px;\n width: 0px;\n border-radius:10px;\n background-color: rgba(0, 200, 0, 0.75);\n box-shadow: inset 0 0 10px #003300;\n }\n\n ",this.progressBarContainerOuter.appendChild(t),this.container.appendChild(this.progressBarContainerOuter)}show(){this.progressBarContainerOuter.style.display="block"}hide(){this.progressBarContainerOuter.style.display="none"}setProgress(e){this.progressBar.style.width=e+"%"}setContainer(e){this.container&&this.progressBarContainerOuter.parentElement===this.container&&this.container.removeChild(this.progressBarContainerOuter),e&&(this.container=e,this.container.appendChild(this.progressBarContainerOuter),this.progressBarContainerOuter.style.zIndex=this.container.style.zIndex+1)}}class Pt{constructor(e){this.container=e||document.body,this.infoCells={};const t=[["Camera position","cameraPosition"],["Camera look-at","cameraLookAt"],["Camera up","cameraUp"],["Camera mode","orthographicCamera"],["Cursor position","cursorPosition"],["FPS","fps"],["Rendering:","renderSplatCount"],["Sort time","sortTime"],["Render window","renderWindow"],["Focal adjustment","focalAdjustment"],["Splat scale","splatScale"],["Point cloud mode","pointCloudMode"]];this.infoPanelContainer=document.createElement("div");const n=document.createElement("style");n.innerHTML="\n\n .infoPanel {\n width: 430px;\n padding: 10px;\n background-color: rgba(50, 50, 50, 0.85);\n border: #555555 2px solid;\n color: #dddddd;\n border-radius: 10px;\n z-index: 9999;\n font-family: arial;\n font-size: 11pt;\n text-align: left;\n margin: 0;\n top: 10px;\n left:10px;\n position: absolute;\n pointer-events: auto;\n }\n\n .info-panel-cell {\n margin-bottom: 5px;\n padding-bottom: 2px;\n }\n\n .label-cell {\n font-weight: bold;\n font-size: 12pt;\n width: 140px;\n }\n\n ",this.infoPanelContainer.append(n),this.infoPanel=document.createElement("div"),this.infoPanel.className="infoPanel";const s=document.createElement("div");s.style.display="table";for(let e of t){const t=document.createElement("div");t.style.display="table-row",t.className="info-panel-row";const n=document.createElement("div");n.style.display="table-cell",n.innerHTML=`${e[0]}: `,n.classList.add("info-panel-cell","label-cell");const r=document.createElement("div");r.style.display="table-cell",r.style.width="10px",r.innerHTML=" ",r.className="info-panel-cell";const i=document.createElement("div");i.style.display="table-cell",i.innerHTML="",i.className="info-panel-cell",this.infoCells[e[1]]=i,t.appendChild(n),t.appendChild(r),t.appendChild(i),s.appendChild(t)}this.infoPanel.appendChild(s),this.infoPanelContainer.append(this.infoPanel),this.infoPanelContainer.style.display="none",this.container.appendChild(this.infoPanelContainer),this.visible=!1}update=function(e,t,n,s,r,i,o,a,l,c,h,d,p,u){const m=`${t.x.toFixed(5)}, ${t.y.toFixed(5)}, ${t.z.toFixed(5)}`;if(this.infoCells.cameraPosition.innerHTML!==m&&(this.infoCells.cameraPosition.innerHTML=m),n){const e=n,t=`${e.x.toFixed(5)}, ${e.y.toFixed(5)}, ${e.z.toFixed(5)}`;this.infoCells.cameraLookAt.innerHTML!==t&&(this.infoCells.cameraLookAt.innerHTML=t)}const A=`${s.x.toFixed(5)}, ${s.y.toFixed(5)}, ${s.z.toFixed(5)}`;if(this.infoCells.cameraUp.innerHTML!==A&&(this.infoCells.cameraUp.innerHTML=A),this.infoCells.orthographicCamera.innerHTML=r?"Orthographic":"Perspective",i){const e=i,t=`${e.x.toFixed(5)}, ${e.y.toFixed(5)}, ${e.z.toFixed(5)}`;this.infoCells.cursorPosition.innerHTML=t}else this.infoCells.cursorPosition.innerHTML="N/A";this.infoCells.fps.innerHTML=o,this.infoCells.renderWindow.innerHTML=`${e.x} x ${e.y}`,this.infoCells.renderSplatCount.innerHTML=`${l} splats out of ${a} (${c.toFixed(2)}%)`,this.infoCells.sortTime.innerHTML=`${h.toFixed(3)} ms`,this.infoCells.focalAdjustment.innerHTML=`${d.toFixed(3)}`,this.infoCells.splatScale.innerHTML=`${p.toFixed(3)}`,this.infoCells.pointCloudMode.innerHTML=`${u}`};setContainer(e){this.container&&this.infoPanelContainer.parentElement===this.container&&this.container.removeChild(this.infoPanelContainer),e&&(this.container=e,this.container.appendChild(this.infoPanelContainer),this.infoPanelContainer.style.zIndex=this.container.style.zIndex+1)}show(){this.infoPanelContainer.style.display="block",this.visible=!0}hide(){this.infoPanelContainer.style.display="none",this.visible=!1}}const Ht=new e.Vector3;class kt extends e.Object3D{constructor(t=new e.Vector3(0,0,1),n=new e.Vector3(0,0,0),s=1,r=.1,i=16776960,o=.2*s,a=.2*o){super(),this.type="ArrowHelper";const l=new e.CylinderGeometry(r,r,s,32);l.translate(0,s/2,0);const c=new e.CylinderGeometry(0,a,o,32);c.translate(0,s,0),this.position.copy(n),this.line=new e.Mesh(l,new e.MeshBasicMaterial({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new e.Mesh(c,new e.MeshBasicMaterial({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{Ht.set(e.z,0,-e.x).normalize();const t=Math.acos(e.y);this.quaternion.setFromAxisAngle(Ht,t)}}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class Lt{constructor(e){this.threeScene=e,this.splatRenderTarget=null,this.renderTargetCopyQuad=null,this.renderTargetCopyCamera=null,this.meshCursor=null,this.focusMarker=null,this.controlPlane=null,this.debugRoot=null,this.secondaryDebugRoot=null}updateSplatRenderTargetForRenderDimensions(t,n){this.destroySplatRendertarget(),this.splatRenderTarget=new e.WebGLRenderTarget(t,n,{format:e.RGBAFormat,stencilBuffer:!1,depthBuffer:!0}),this.splatRenderTarget.depthTexture=new e.DepthTexture(t,n),this.splatRenderTarget.depthTexture.format=e.DepthFormat,this.splatRenderTarget.depthTexture.type=e.UnsignedIntType}destroySplatRendertarget(){this.splatRenderTarget&&(this.splatRenderTarget=null)}setupRenderTargetCopyObjects(){const t=new e.ShaderMaterial({vertexShader:"\n varying vec2 vUv;\n void main() {\n vUv = uv;\n gl_Position = vec4( position.xy, 0.0, 1.0 ); \n }\n ",fragmentShader:"\n #include <common>\n #include <packing>\n varying vec2 vUv;\n uniform sampler2D sourceColorTexture;\n uniform sampler2D sourceDepthTexture;\n void main() {\n vec4 color = texture2D(sourceColorTexture, vUv);\n float fragDepth = texture2D(sourceDepthTexture, vUv).x;\n gl_FragDepth = fragDepth;\n gl_FragColor = vec4(color.rgb, color.a * 2.0);\n }\n ",uniforms:{sourceColorTexture:{type:"t",value:null},sourceDepthTexture:{type:"t",value:null}},depthWrite:!1,depthTest:!1,transparent:!0,blending:e.CustomBlending,blendSrc:e.SrcAlphaFactor,blendSrcAlpha:e.SrcAlphaFactor,blendDst:e.OneMinusSrcAlphaFactor,blendDstAlpha:e.OneMinusSrcAlphaFactor});t.extensions.fragDepth=!0,this.renderTargetCopyQuad=new e.Mesh(new e.PlaneGeometry(2,2),t),this.renderTargetCopyCamera=new e.OrthographicCamera(-1,1,1,-1,0,1)}destroyRenderTargetCopyObjects(){this.renderTargetCopyQuad&&(g(this.renderTargetCopyQuad),this.renderTargetCopyQuad=null)}setupMeshCursor(){if(!this.meshCursor){const t=new e.ConeGeometry(.5,1.5,32),n=new e.MeshBasicMaterial({color:16777215}),s=new e.Mesh(t,n);s.rotation.set(0,0,Math.PI),s.position.set(0,1,0);const r=new e.Mesh(t,n);r.position.set(0,-1,0);const i=new e.Mesh(t,n);i.rotation.set(0,0,Math.PI/2),i.position.set(1,0,0);const o=new e.Mesh(t,n);o.rotation.set(0,0,-Math.PI/2),o.position.set(-1,0,0),this.meshCursor=new e.Object3D,this.meshCursor.add(s),this.meshCursor.add(r),this.meshCursor.add(i),this.meshCursor.add(o),this.meshCursor.scale.set(.1,.1,.1),this.threeScene.add(this.meshCursor),this.meshCursor.visible=!1}}destroyMeshCursor(){this.meshCursor&&(g(this.meshCursor),this.threeScene.remove(this.meshCursor),this.meshCursor=null)}setMeshCursorVisibility(e){this.meshCursor.visible=e}getMeschCursorVisibility(){return this.meshCursor.visible}setMeshCursorPosition(e){this.meshCursor.position.copy(e)}positionAndOrientMeshCursor(e,t){this.meshCursor.position.copy(e),this.meshCursor.up.copy(t.up),this.meshCursor.lookAt(t.position)}setupFocusMarker(){if(!this.focusMarker){const t=new e.SphereGeometry(.5,32,32),n=Lt.buildFocusMarkerMaterial();n.depthTest=!1,n.depthWrite=!1,n.transparent=!0,this.focusMarker=new e.Mesh(t,n)}}destroyFocusMarker(){this.focusMarker&&(g(this.focusMarker),this.focusMarker=null)}updateFocusMarker=function(){const t=new e.Vector3,n=new e.Matrix4,s=new e.Vector3;return function(e,r,i){n.copy(r.matrixWorld).invert(),t.copy(e).applyMatrix4(n),t.normalize().multiplyScalar(10),t.applyMatrix4(r.matrixWorld),s.copy(r.position).sub(e);const o=s.length();this.focusMarker.position.copy(e),this.focusMarker.scale.set(o,o,o),this.focusMarker.material.uniforms.realFocusPosition.value.copy(e),this.focusMarker.material.uniforms.viewport.value.copy(i),this.focusMarker.material.uniformsNeedUpdate=!0}}();setFocusMarkerVisibility(e){this.focusMarker.visible=e}setFocusMarkerOpacity(e){this.focusMarker.material.uniforms.opacity.value=e,this.focusMarker.material.uniformsNeedUpdate=!0}getFocusMarkerOpacity(){return this.focusMarker.material.uniforms.opacity.value}setupControlPlane(){if(!this.controlPlane){const t=new e.PlaneGeometry(1,1);t.rotateX(-Math.PI/2);const n=new e.MeshBasicMaterial({color:16777215});n.transparent=!0,n.opacity=.6,n.depthTest=!1,n.depthWrite=!1,n.side=e.DoubleSide;const s=new e.Mesh(t,n),r=new e.Vector3(0,1,0);r.normalize();const i=new e.Vector3(0,0,0),o=new kt(r,i,.5,.01,56576,.1,.03);this.controlPlane=new e.Object3D,this.controlPlane.add(s),this.controlPlane.add(o)}}destroyControlPlane(){this.controlPlane&&(g(this.controlPlane),this.controlPlane=null)}setControlPlaneVisibility(e){this.controlPlane.visible=e}positionAndOrientControlPlane=function(){const t=new e.Quaternion,n=new e.Vector3(0,1,0);return function(e,s){t.setFromUnitVectors(n,s),this.controlPlane.position.copy(e),this.controlPlane.quaternion.copy(t)}}();addDebugMeshes(){this.debugRoot=this.createDebugMeshes(),this.secondaryDebugRoot=this.createSecondaryDebugMeshes(),this.threeScene.add(this.debugRoot),this.threeScene.add(this.secondaryDebugRoot)}destroyDebugMeshes(){for(let e of[this.debugRoot,this.secondaryDebugRoot])e&&(g(e),this.threeScene.remove(e));this.debugRoot=null,this.secondaryDebugRoot=null}createDebugMeshes(t){const n=new e.SphereGeometry(1,32,32),s=new e.Object3D,r=(r,i)=>{let o=new e.Mesh(n,Lt.buildDebugMaterial(r));o.renderOrder=t,s.add(o),o.position.fromArray(i)};return r(16711680,[-50,0,0]),r(16711680,[50,0,0]),r(65280,[0,0,-50]),r(65280,[0,0,50]),r(16755200,[5,0,5]),s}createSecondaryDebugMeshes(t){const n=new e.BoxGeometry(3,3,3),s=new e.Object3D;const r=r=>{let i=new e.Mesh(n,Lt.buildDebugMaterial(12303291));i.renderOrder=t,s.add(i),i.position.fromArray(r)};let i=10;return r([-10,0,-10]),r([-10,0,i]),r([i,0,-10]),r([i,0,i]),s}static buildDebugMaterial(t){const n={color:{type:"v3",value:new e.Color(t)}},s=new e.ShaderMaterial({uniforms:n,vertexShader:"\n #include <common>\n varying float ndcDepth;\n\n void main() {\n gl_Position = projectionMatrix * viewMatrix * modelMatrix * vec4(position.xyz, 1.0);\n ndcDepth = gl_Position.z / gl_Position.w;\n gl_Position.x = gl_Position.x / gl_Position.w;\n gl_Position.y = gl_Position.y / gl_Position.w;\n gl_Position.z = 0.0;\n gl_Position.w = 1.0;\n \n }\n ",fragmentShader:"\n #include <common>\n uniform vec3 color;\n varying float ndcDepth;\n void main() {\n gl_FragDepth = (ndcDepth + 1.0) / 2.0;\n gl_FragColor = vec4(color.rgb, 0.0);\n }\n ",transparent:!1,depthTest:!0,depthWrite:!0,side:e.FrontSide});return s.extensions.fragDepth=!0,s}static buildFocusMarkerMaterial(t){const n={color:{type:"v3",value:new e.Color(t)},realFocusPosition:{type:"v3",value:new e.Vector3},viewport:{type:"v2",value:new e.Vector2},opacity:{value:0}};return new e.ShaderMaterial({uniforms:n,vertexShader:"\n #include <common>\n\n uniform vec2 viewport;\n uniform vec3 realFocusPosition;\n\n varying vec4 ndcPosition;\n varying vec4 ndcCenter;\n varying vec4 ndcFocusPosition;\n\n void main() {\n float radius = 0.01;\n\n vec4 viewPosition = modelViewMatrix * vec4(position.xyz, 1.0);\n vec4 viewCenter = modelViewMatrix * vec4(0.0, 0.0, 0.0, 1.0);\n\n vec4 viewFocusPosition = modelViewMatrix * vec4(realFocusPosition, 1.0);\n\n ndcPosition = projectionMatrix * viewPosition;\n ndcPosition = ndcPosition * vec4(1.0 / ndcPosition.w);\n ndcCenter = projectionMatrix * viewCenter;\n ndcCenter = ndcCenter * vec4(1.0 / ndcCenter.w);\n\n ndcFocusPosition = projectionMatrix * viewFocusPosition;\n ndcFocusPosition = ndcFocusPosition * vec4(1.0 / ndcFocusPosition.w);\n\n gl_Position = projectionMatrix * viewPosition;\n\n }\n ",fragmentShader:"\n #include <common>\n uniform vec3 color;\n uniform vec2 viewport;\n uniform float opacity;\n\n varying vec4 ndcPosition;\n varying vec4 ndcCenter;\n varying vec4 ndcFocusPosition;\n\n void main() {\n vec2 screenPosition = vec2(ndcPosition) * viewport;\n vec2 screenCenter = vec2(ndcCenter) * viewport;\n\n vec2 screenVec = screenPosition - screenCenter;\n\n float projectedRadius = length(screenVec);\n\n float lineWidth = 0.0005 * viewport.y;\n float aaRange = 0.0025 * viewport.y;\n float radius = 0.06 * viewport.y;\n float radDiff = abs(projectedRadius - radius) - lineWidth;\n float alpha = 1.0 - clamp(radDiff / 5.0, 0.0, 1.0); \n\n gl_FragColor = vec4(color.rgb, alpha * opacity);\n }\n ",transparent:!0,depthTest:!1,depthWrite:!1,side:e.FrontSide})}dispose(){this.destroyMeshCursor(),this.destroyFocusMarker(),this.destroyDebugMeshes(),this.destroyControlPlane(),this.destroyRenderTargetCopyObjects(),this.destroySplatRendertarget()}}const Ot=new e.Vector3(1,0,0),Ut=new e.Vector3(0,1,0),zt=new e.Vector3(0,0,1);class _t{constructor(t=new e.Vector3,n=new e.Vector3){this.origin=new e.Vector3,this.direction=new e.Vector3,this.setParameters(t,n)}setParameters(e,t){this.origin.copy(e),this.direction.copy(t).normalize()}boxContainsPoint(e,t,n){return!(t.x<e.min.x-n||t.x>e.max.x+n||t.y<e.min.y-n||t.y>e.max.y+n||t.z<e.min.z-n||t.z>e.max.z+n)}intersectBox=function(){const t=new e.Vector3,n=[],s=[],r=[];return function(e,i){if(s[0]=this.origin.x,s[1]=this.origin.y,s[2]=this.origin.z,r[0]=this.direction.x,r[1]=this.direction.y,r[2]=this.direction.z,this.boxContainsPoint(e,this.origin,1e-4))return i&&(i.origin.copy(this.origin),i.normal.set(0,0,0),i.distance=-1),!0;for(let o=0;o<3;o++){if(0==r[o])continue;const a=0==o?Ot:1==o?Ut:zt,l=r[o]<0?e.max:e.min;let c=-Math.sign(r[o]);n[0]=0==o?l.x:1==o?l.y:l.z;let h=n[0]-s[o];if(h*c<0){const l=(o+1)%3,d=(o+2)%3;if(n[2]=r[l]/r[o]*h+s[l],n[1]=r[d]/r[o]*h+s[d],t.set(n[o],n[d],n[l]),this.boxContainsPoint(e,t,1e-4))return i&&(i.origin.copy(t),i.normal.copy(a).multiplyScalar(c),i.distance=t.sub(this.origin).length()),!0}}return!1}}();intersectSphere=function(){const t=new e.Vector3;return function(e,n,s){t.copy(e).sub(this.origin);const r=t.dot(this.direction),i=r*r,o=t.dot(t)-i,a=n*n;if(o>a)return!1;const l=Math.sqrt(a-o),c=r-l,h=r+l;if(h<0)return!1;let d=c<0?h:c;return s&&(s.origin.copy(this.origin).addScaledVector(this.direction,d),s.normal.copy(s.origin).sub(e).normalize(),s.distance=d),!0}}()}class Qt{constructor(){this.origin=new e.Vector3,this.normal=new e.Vector3,this.distance=0,this.splatIndex=0}set(e,t,n,s){this.origin.copy(e),this.normal.copy(t),this.distance=n,this.splatIndex=s}clone(){const e=new Qt;return e.origin.copy(this.origin),e.normal.copy(this.normal),e.distance=this.distance,e.splatIndex=this.splatIndex,e}}const Vt={ThreeD:0,TwoD:1};class Nt{constructor(e,t,n=!1){this.ray=new _t(e,t),this.raycastAgainstTrueSplatEllipsoid=n}setFromCameraAndScreenPosition=function(){const t=new e.Vector2;return function(e,n,s){if(t.x=n.x/s.x*2-1,t.y=(s.y-n.y)/s.y*2-1,e.isPerspectiveCamera)this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e;else{if(!e.isOrthographicCamera)throw new Error("Raycaster::setFromCameraAndScreenPosition() -> Unsupported camera type");this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e}}}();intersectSplatMesh=function(){const t=new e.Matrix4,n=new e.Matrix4,s=new e.Matrix4,r=new _t,i=new e.Vector3;return function(e,o=[]){const a=e.getSplatTree();if(a){for(let l=0;l<a.subTrees.length;l++){const c=a.subTrees[l];n.copy(e.matrixWorld),e.dynamicMode&&(e.getSceneTransform(l,s),n.multiply(s)),t.copy(n).invert(),r.origin.copy(this.ray.origin).applyMatrix4(t),r.direction.copy(this.ray.origin).add(this.ray.direction),r.direction.applyMatrix4(t).sub(r.origin).normalize();const h=[];c.rootNode&&this.castRayAtSplatTreeNode(r,a,c.rootNode,h),h.forEach((e=>{e.origin.applyMatrix4(n),e.normal.applyMatrix4(n).normalize(),e.distance=i.copy(e.origin).sub(this.ray.origin).length()})),o.push(...h)}return o.sort(((e,t)=>e.distance>t.distance?1:-1)),o}}}();castRayAtSplatTreeNode=function(){const t=new e.Vector4,n=new e.Vector3,s=new e.Vector3,r=new e.Quaternion,i=new Qt,o=1e-7,a=new e.Vector3(0,0,0),l=new e.Matrix4,c=new e.Matrix4,h=new e.Matrix4,d=new e.Matrix4,p=new e.Matrix4,u=new _t;return function(e,m,A,f=[]){if(e.intersectBox(A.boundingBox)){if(A.data&&A.data.indexes&&A.data.indexes.length>0)for(let g=0;g<A.data.indexes.length;g++){const S=A.data.indexes[g],C=m.splatMesh.getSceneIndexForSplat(S);if(m.splatMesh.getScene(C).visible&&(m.splatMesh.getSplatColor(S,t),m.splatMesh.getSplatCenter(S,n),m.splatMesh.getSplatScaleAndRotation(S,s,r),!(s.x<=o||s.y<=o||m.splatMesh.splatRenderMode===Vt.ThreeD&&s.z<=o)))if(this.raycastAgainstTrueSplatEllipsoid){c.makeScale(s.x,s.y,s.z),h.makeRotationFromQuaternion(r);const o=2*Math.log10(t.w);if(l.makeScale(o,o,o),p.copy(l).multiply(h).multiply(c),d.copy(p).invert(),u.origin.copy(e.origin).sub(n).applyMatrix4(d),u.direction.copy(e.origin).add(e.direction).sub(n),u.direction.applyMatrix4(d).sub(u.origin).normalize(),u.intersectSphere(a,1,i)){const e=i.clone();e.splatIndex=S,e.origin.applyMatrix4(p).add(n),f.push(e)}}else{let t=s.x+s.y,r=2;if(m.splatMesh.splatRenderMode===Vt.ThreeD&&(t+=s.z,r=3),t/=r,e.intersectSphere(n,t,i)){const e=i.clone();e.splatIndex=S,f.push(e)}}}if(A.children&&A.children.length>0)for(let t of A.children)this.castRayAtSplatTreeNode(e,m,t,f);return f}}}()}class Gt{static buildVertexShaderBase(e=!1,t=!1,n=0,s=""){let r="\n precision highp float;\n #include <common>\n\n attribute uint splatIndex;\n uniform highp usampler2D centersColorsTexture;\n uniform highp sampler2D sphericalHarmonicsTexture;\n uniform highp sampler2D sphericalHarmonicsTextureR;\n uniform highp sampler2D sphericalHarmonicsTextureG;\n uniform highp sampler2D sphericalHarmonicsTextureB;\n\n uniform highp usampler2D sceneIndexesTexture;\n uniform vec2 sceneIndexesTextureSize;\n uniform int sceneCount;\n ";return t&&(r+=`\n uniform float sceneOpacity[${b.MaxScenes}];\n uniform int sceneVisibility[${b.MaxScenes}];\n `),e&&(r+=`\n uniform highp mat4 transforms[${b.MaxScenes}];\n `),r+=`\n ${s}\n uniform vec2 focal;\n uniform float orthoZoom;\n uniform int orthographicMode;\n uniform int pointCloudModeEnabled;\n uniform float inverseFocalAdjustment;\n uniform vec2 viewport;\n uniform vec2 basisViewport;\n uniform vec2 centersColorsTextureSize;\n uniform int sphericalHarmonicsDegree;\n uniform vec2 sphericalHarmonicsTextureSize;\n uniform int sphericalHarmonics8BitMode;\n uniform int sphericalHarmonicsMultiTextureMode;\n uniform float visibleRegionRadius;\n uniform float visibleRegionFadeStartRadius;\n uniform float firstRenderTime;\n uniform float currentTime;\n uniform int fadeInComplete;\n uniform vec3 sceneCenter;\n uniform float splatScale;\n uniform float sphericalHarmonics8BitCompressionRangeMin[${b.MaxScenes}];\n uniform float sphericalHarmonics8BitCompressionRangeMax[${b.MaxScenes}];\n\n varying vec4 vColor;\n varying vec2 vUv;\n varying vec2 vPosition;\n\n mat3 quaternionToRotationMatrix(float x, float y, float z, float w) {\n float s = 1.0 / sqrt(w * w + x * x + y * y + z * z);\n \n return mat3(\n 1. - 2. * (y * y + z * z),\n 2. * (x * y + w * z),\n 2. * (x * z - w * y),\n 2. * (x * y - w * z),\n 1. - 2. * (x * x + z * z),\n 2. * (y * z + w * x),\n 2. * (x * z + w * y),\n 2. * (y * z - w * x),\n 1. - 2. * (x * x + y * y)\n );\n }\n\n const float sqrt8 = sqrt(8.0);\n const float minAlpha = 1.0 / 255.0;\n\n const vec4 encodeNorm4 = vec4(1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0);\n const uvec4 mask4 = uvec4(uint(0x000000FF), uint(0x0000FF00), uint(0x00FF0000), uint(0xFF000000));\n const uvec4 shift4 = uvec4(0, 8, 16, 24);\n vec4 uintToRGBAVec (uint u) {\n uvec4 urgba = mask4 & u;\n urgba = urgba >> shift4;\n vec4 rgba = vec4(urgba) * encodeNorm4;\n return rgba;\n }\n\n vec2 getDataUV(in int stride, in int offset, in vec2 dimensions) {\n vec2 samplerUV = vec2(0.0, 0.0);\n float d = float(splatIndex * uint(stride) + uint(offset)) / dimensions.x;\n samplerUV.y = float(floor(d)) / dimensions.y;\n samplerUV.x = fract(d);\n return samplerUV;\n }\n\n vec2 getDataUVF(in uint sIndex, in float stride, in uint offset, in vec2 dimensions) {\n vec2 samplerUV = vec2(0.0, 0.0);\n float d = float(uint(float(sIndex) * stride) + offset) / dimensions.x;\n samplerUV.y = float(floor(d)) / dimensions.y;\n samplerUV.x = fract(d);\n return samplerUV;\n }\n\n const float SH_C1 = 0.4886025119029199f;\n const float[5] SH_C2 = float[](1.0925484, -1.0925484, 0.3153916, -1.0925484, 0.5462742);\n\n void main () {\n\n uint oddOffset = splatIndex & uint(0x00000001);\n uint doubleOddOffset = oddOffset * uint(2);\n bool isEven = oddOffset == uint(0);\n uint nearestEvenIndex = splatIndex - oddOffset;\n float fOddOffset = float(oddOffset);\n\n uvec4 sampledCenterColor = texture(centersColorsTexture, getDataUV(1, 0, centersColorsTextureSize));\n vec3 splatCenter = uintBitsToFloat(uvec3(sampledCenterColor.gba));\n\n uint sceneIndex = uint(0);\n if (sceneCount > 1) {\n sceneIndex = texture(sceneIndexesTexture, getDataUV(1, 0, sceneIndexesTextureSize)).r;\n }\n `,t&&(r+="\n float splatOpacityFromScene = sceneOpacity[sceneIndex];\n int sceneVisible = sceneVisibility[sceneIndex];\n if (splatOpacityFromScene <= 0.01 || sceneVisible == 0) {\n gl_Position = vec4(0.0, 0.0, 2.0, 1.0);\n return;\n }\n "),r+=e?"\n mat4 transform = transforms[sceneIndex];\n mat4 transformModelViewMatrix = modelViewMatrix * transform;\n ":"mat4 transformModelViewMatrix = modelViewMatrix;",r+="\n float sh8BitCompressionRangeMinForScene = sphericalHarmonics8BitCompressionRangeMin[sceneIndex];\n float sh8BitCompressionRangeMaxForScene = sphericalHarmonics8BitCompressionRangeMax[sceneIndex];\n float sh8BitCompressionRangeForScene = sh8BitCompressionRangeMaxForScene - sh8BitCompressionRangeMinForScene;\n float sh8BitCompressionHalfRangeForScene = sh8BitCompressionRangeForScene / 2.0;\n vec3 vec8BitSHShift = vec3(sh8BitCompressionRangeMinForScene);\n\n vec4 viewCenter = transformModelViewMatrix * vec4(splatCenter, 1.0);\n\n vec4 clipCenter = projectionMatrix * viewCenter;\n\n float clip = 1.2 * clipCenter.w;\n if (clipCenter.z < -clip || clipCenter.x < -clip || clipCenter.x > clip || clipCenter.y < -clip || clipCenter.y > clip) {\n gl_Position = vec4(0.0, 0.0, 2.0, 1.0);\n return;\n }\n\n vec3 ndcCenter = clipCenter.xyz / clipCenter.w;\n\n vPosition = position.xy;\n vColor = uintToRGBAVec(sampledCenterColor.r);\n ",n>=1&&(r+=" \n if (sphericalHarmonicsDegree >= 1) {\n ",r+=e?"\n vec3 worldViewDir = normalize(splatCenter - vec3(inverse(transform) * vec4(cameraPosition, 1.0)));\n ":"\n vec3 worldViewDir = normalize(splatCenter - cameraPosition);\n ",r+="\n vec3 sh1;\n vec3 sh2;\n vec3 sh3;\n ",n>=2&&(r+="\n vec3 sh4;\n vec3 sh5;\n vec3 sh6;\n vec3 sh7;\n vec3 sh8;\n "),1===n?r+="\n if (sphericalHarmonicsMultiTextureMode == 0) {\n vec2 shUV = getDataUVF(nearestEvenIndex, 2.5, doubleOddOffset, sphericalHarmonicsTextureSize);\n vec4 sampledSH0123 = texture(sphericalHarmonicsTexture, shUV);\n shUV = getDataUVF(nearestEvenIndex, 2.5, doubleOddOffset + uint(1), sphericalHarmonicsTextureSize);\n vec4 sampledSH4567 = texture(sphericalHarmonicsTexture, shUV);\n shUV = getDataUVF(nearestEvenIndex, 2.5, doubleOddOffset + uint(2), sphericalHarmonicsTextureSize);\n vec4 sampledSH891011 = texture(sphericalHarmonicsTexture, shUV);\n sh1 = vec3(sampledSH0123.rgb) * (1.0 - fOddOffset) + vec3(sampledSH0123.ba, sampledSH4567.r) * fOddOffset;\n sh2 = vec3(sampledSH0123.a, sampledSH4567.rg) * (1.0 - fOddOffset) + vec3(sampledSH4567.gba) * fOddOffset;\n sh3 = vec3(sampledSH4567.ba, sampledSH891011.r) * (1.0 - fOddOffset) + vec3(sampledSH891011.rgb) * fOddOffset;\n } else {\n vec2 sampledSH01R = texture(sphericalHarmonicsTextureR, getDataUV(2, 0, sphericalHarmonicsTextureSize)).rg;\n vec2 sampledSH23R = texture(sphericalHarmonicsTextureR, getDataUV(2, 1, sphericalHarmonicsTextureSize)).rg;\n vec2 sampledSH01G = texture(sphericalHarmonicsTextureG, getDataUV(2, 0, sphericalHarmonicsTextureSize)).rg;\n vec2 sampledSH23G = texture(sphericalHarmonicsTextureG, getDataUV(2, 1, sphericalHarmonicsTextureSize)).rg;\n vec2 sampledSH01B = texture(sphericalHarmonicsTextureB, getDataUV(2, 0, sphericalHarmonicsTextureSize)).rg;\n vec2 sampledSH23B = texture(sphericalHarmonicsTextureB, getDataUV(2, 1, sphericalHarmonicsTextureSize)).rg;\n sh1 = vec3(sampledSH01R.rg, sampledSH23R.r);\n sh2 = vec3(sampledSH01G.rg, sampledSH23G.r);\n sh3 = vec3(sampledSH01B.rg, sampledSH23B.r);\n }\n ":2===n&&(r+="\n vec4 sampledSH0123;\n vec4 sampledSH4567;\n vec4 sampledSH891011;\n\n vec4 sampledSH0123R;\n vec4 sampledSH0123G;\n vec4 sampledSH0123B;\n\n if (sphericalHarmonicsMultiTextureMode == 0) {\n sampledSH0123 = texture(sphericalHarmonicsTexture, getDataUV(6, 0, sphericalHarmonicsTextureSize));\n sampledSH4567 = texture(sphericalHarmonicsTexture, getDataUV(6, 1, sphericalHarmonicsTextureSize));\n sampledSH891011 = texture(sphericalHarmonicsTexture, getDataUV(6, 2, sphericalHarmonicsTextureSize));\n sh1 = sampledSH0123.rgb;\n sh2 = vec3(sampledSH0123.a, sampledSH4567.rg);\n sh3 = vec3(sampledSH4567.ba, sampledSH891011.r);\n } else {\n sampledSH0123R = texture(sphericalHarmonicsTextureR, getDataUV(2, 0, sphericalHarmonicsTextureSize));\n sampledSH0123G = texture(sphericalHarmonicsTextureG, getDataUV(2, 0, sphericalHarmonicsTextureSize));\n sampledSH0123B = texture(sphericalHarmonicsTextureB, getDataUV(2, 0, sphericalHarmonicsTextureSize));\n sh1 = vec3(sampledSH0123R.rgb);\n sh2 = vec3(sampledSH0123G.rgb);\n sh3 = vec3(sampledSH0123B.rgb);\n }\n "),r+="\n if (sphericalHarmonics8BitMode == 1) {\n sh1 = sh1 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n sh2 = sh2 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n sh3 = sh3 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n }\n float x = worldViewDir.x;\n float y = worldViewDir.y;\n float z = worldViewDir.z;\n vColor.rgb += SH_C1 * (-sh1 * y + sh2 * z - sh3 * x);\n ",n>=2&&(r+="\n if (sphericalHarmonicsDegree >= 2) {\n float xx = x * x;\n float yy = y * y;\n float zz = z * z;\n float xy = x * y;\n float yz = y * z;\n float xz = x * z;\n ",2===n&&(r+="\n if (sphericalHarmonicsMultiTextureMode == 0) {\n vec4 sampledSH12131415 = texture(sphericalHarmonicsTexture, getDataUV(6, 3, sphericalHarmonicsTextureSize));\n vec4 sampledSH16171819 = texture(sphericalHarmonicsTexture, getDataUV(6, 4, sphericalHarmonicsTextureSize));\n vec4 sampledSH20212223 = texture(sphericalHarmonicsTexture, getDataUV(6, 5, sphericalHarmonicsTextureSize));\n sh4 = sampledSH891011.gba;\n sh5 = sampledSH12131415.rgb;\n sh6 = vec3(sampledSH12131415.a, sampledSH16171819.rg);\n sh7 = vec3(sampledSH16171819.ba, sampledSH20212223.r);\n sh8 = sampledSH20212223.gba;\n } else {\n vec4 sampledSH4567R = texture(sphericalHarmonicsTextureR, getDataUV(2, 1, sphericalHarmonicsTextureSize));\n vec4 sampledSH4567G = texture(sphericalHarmonicsTextureG, getDataUV(2, 1, sphericalHarmonicsTextureSize));\n vec4 sampledSH4567B = texture(sphericalHarmonicsTextureB, getDataUV(2, 1, sphericalHarmonicsTextureSize));\n sh4 = vec3(sampledSH0123R.a, sampledSH4567R.rg);\n sh5 = vec3(sampledSH4567R.ba, sampledSH0123G.a);\n sh6 = vec3(sampledSH4567G.rgb);\n sh7 = vec3(sampledSH4567G.a, sampledSH0123B.a, sampledSH4567B.r);\n sh8 = vec3(sampledSH4567B.gba);\n }\n "),r+="\n if (sphericalHarmonics8BitMode == 1) {\n sh4 = sh4 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n sh5 = sh5 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n sh6 = sh6 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n sh7 = sh7 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n sh8 = sh8 * sh8BitCompressionRangeForScene + vec8BitSHShift;\n }\n\n vColor.rgb +=\n (SH_C2[0] * xy) * sh4 +\n (SH_C2[1] * yz) * sh5 +\n (SH_C2[2] * (2.0 * zz - xx - yy)) * sh6 +\n (SH_C2[3] * xz) * sh7 +\n (SH_C2[4] * (xx - yy)) * sh8;\n }\n "),r+="\n\n vColor.rgb = clamp(vColor.rgb, vec3(0.), vec3(1.));\n\n }\n\n "),r}static getVertexShaderFadeIn(){return"\n if (fadeInComplete == 0) {\n float opacityAdjust = 1.0;\n float centerDist = length(splatCenter - sceneCenter);\n float renderTime = max(currentTime - firstRenderTime, 0.0);\n\n float fadeDistance = 0.75;\n float distanceLoadFadeInFactor = step(visibleRegionFadeStartRadius, centerDist);\n distanceLoadFadeInFactor = (1.0 - distanceLoadFadeInFactor) +\n (1.0 - clamp((centerDist - visibleRegionFadeStartRadius) / fadeDistance, 0.0, 1.0)) *\n distanceLoadFadeInFactor;\n opacityAdjust *= distanceLoadFadeInFactor;\n vColor.a *= opacityAdjust;\n }\n "}static getUniforms(t=!1,n=!1,s=0,r=1,i=!1){const o={sceneCenter:{type:"v3",value:new e.Vector3},fadeInComplete:{type:"i",value:0},orthographicMode:{type:"i",value:0},visibleRegionFadeStartRadius:{type:"f",value:0},visibleRegionRadius:{type:"f",value:0},currentTime:{type:"f",value:0},firstRenderTime:{type:"f",value:0},centersColorsTexture:{type:"t",value:null},sphericalHarmonicsTexture:{type:"t",value:null},sphericalHarmonicsTextureR:{type:"t",value:null},sphericalHarmonicsTextureG:{type:"t",value:null},sphericalHarmonicsTextureB:{type:"t",value:null},sphericalHarmonics8BitCompressionRangeMin:{type:"f",value:[]},sphericalHarmonics8BitCompressionRangeMax:{type:"f",value:[]},focal:{type:"v2",value:new e.Vector2},orthoZoom:{type:"f",value:1},inverseFocalAdjustment:{type:"f",value:1},viewport:{type:"v2",value:new e.Vector2},basisViewport:{type:"v2",value:new e.Vector2},debugColor:{type:"v3",value:new e.Color},centersColorsTextureSize:{type:"v2",value:new e.Vector2(1024,1024)},sphericalHarmonicsDegree:{type:"i",value:s},sphericalHarmonicsTextureSize:{type:"v2",value:new e.Vector2(1024,1024)},sphericalHarmonics8BitMode:{type:"i",value:0},sphericalHarmonicsMultiTextureMode:{type:"i",value:0},splatScale:{type:"f",value:r},pointCloudModeEnabled:{type:"i",value:i?1:0},sceneIndexesTexture:{type:"t",value:null},sceneIndexesTextureSize:{type:"v2",value:new e.Vector2(1024,1024)},sceneCount:{type:"i",value:1}};for(let e=0;e<b.MaxScenes;e++)o.sphericalHarmonics8BitCompressionRangeMin.value.push(-b.SphericalHarmonics8BitCompressionRange/2),o.sphericalHarmonics8BitCompressionRangeMax.value.push(b.SphericalHarmonics8BitCompressionRange/2);if(n){const e=[];for(let t=0;t<b.MaxScenes;t++)e.push(1);o.sceneOpacity={type:"f",value:e};const t=[];for(let e=0;e<b.MaxScenes;e++)t.push(1);o.sceneVisibility={type:"i",value:t}}if(t){const t=[];for(let n=0;n<b.MaxScenes;n++)t.push(new e.Matrix4);o.transforms={type:"mat4",value:t}}return o}}class Kt{static build(t=!1,n=!1,s=!1,r=2048,i=1,o=!1,a=0,l=.3){let c=Gt.buildVertexShaderBase(t,n,a,"\n uniform vec2 covariancesTextureSize;\n uniform highp sampler2D covariancesTexture;\n uniform highp usampler2D covariancesTextureHalfFloat;\n uniform int covariancesAreHalfFloat;\n\n void fromCovarianceHalfFloatV4(uvec4 val, out vec4 first, out vec4 second) {\n vec2 r = unpackHalf2x16(val.r);\n vec2 g = unpackHalf2x16(val.g);\n vec2 b = unpackHalf2x16(val.b);\n\n first = vec4(r.x, r.y, g.x, g.y);\n second = vec4(b.x, b.y, 0.0, 0.0);\n }\n ");c+=Kt.buildVertexShaderProjection(s,n,r,l);const h=Kt.buildFragmentShader(),d=Gt.getUniforms(t,n,a,i,o);d.covariancesTextureSize={type:"v2",value:new e.Vector2(1024,1024)},d.covariancesTexture={type:"t",value:null},d.covariancesTextureHalfFloat={type:"t",value:null},d.covariancesAreHalfFloat={type:"i",value:0};return new e.ShaderMaterial({uniforms:d,vertexShader:c,fragmentShader:h,transparent:!0,alphaTest:1,blending:e.NormalBlending,depthTest:!0,depthWrite:!1,side:e.DoubleSide})}static buildVertexShaderProjection(e,t,n,s){let r="\n\n vec4 sampledCovarianceA;\n vec4 sampledCovarianceB;\n vec3 cov3D_M11_M12_M13;\n vec3 cov3D_M22_M23_M33;\n if (covariancesAreHalfFloat == 0) {\n sampledCovarianceA = texture(covariancesTexture, getDataUVF(nearestEvenIndex, 1.5, oddOffset,\n covariancesTextureSize));\n sampledCovarianceB = texture(covariancesTexture, getDataUVF(nearestEvenIndex, 1.5, oddOffset + uint(1),\n covariancesTextureSize));\n\n cov3D_M11_M12_M13 = vec3(sampledCovarianceA.rgb) * (1.0 - fOddOffset) +\n vec3(sampledCovarianceA.ba, sampledCovarianceB.r) * fOddOffset;\n cov3D_M22_M23_M33 = vec3(sampledCovarianceA.a, sampledCovarianceB.rg) * (1.0 - fOddOffset) +\n vec3(sampledCovarianceB.gba) * fOddOffset;\n } else {\n uvec4 sampledCovarianceU = texture(covariancesTextureHalfFloat, getDataUV(1, 0, covariancesTextureSize));\n fromCovarianceHalfFloatV4(sampledCovarianceU, sampledCovarianceA, sampledCovarianceB);\n cov3D_M11_M12_M13 = sampledCovarianceA.rgb;\n cov3D_M22_M23_M33 = vec3(sampledCovarianceA.a, sampledCovarianceB.rg);\n }\n \n // Construct the 3D covariance matrix\n mat3 Vrk = mat3(\n cov3D_M11_M12_M13.x, cov3D_M11_M12_M13.y, cov3D_M11_M12_M13.z,\n cov3D_M11_M12_M13.y, cov3D_M22_M23_M33.x, cov3D_M22_M23_M33.y,\n cov3D_M11_M12_M13.z, cov3D_M22_M23_M33.y, cov3D_M22_M23_M33.z\n );\n\n mat3 J;\n if (orthographicMode == 1) {\n // Since the projection is linear, we don't need an approximation\n J = transpose(mat3(orthoZoom, 0.0, 0.0,\n 0.0, orthoZoom, 0.0,\n 0.0, 0.0, 0.0));\n } else {\n // Construct the Jacobian of the affine approximation of the projection matrix. It will be used to transform the\n // 3D covariance matrix instead of using the actual projection matrix because that transformation would\n // require a non-linear component (perspective division) which would yield a non-gaussian result.\n float s = 1.0 / (viewCenter.z * viewCenter.z);\n J = mat3(\n focal.x / viewCenter.z, 0., -(focal.x * viewCenter.x) * s,\n 0., focal.y / viewCenter.z, -(focal.y * viewCenter.y) * s,\n 0., 0., 0.\n );\n }\n\n // Concatenate the projection approximation with the model-view transformation\n mat3 W = transpose(mat3(transformModelViewMatrix));\n mat3 T = W * J;\n\n // Transform the 3D covariance matrix (Vrk) to compute the 2D covariance matrix\n mat3 cov2Dm = transpose(T) * Vrk * T;\n ";return r+=e?`\n float detOrig = cov2Dm[0][0] * cov2Dm[1][1] - cov2Dm[0][1] * cov2Dm[0][1];\n cov2Dm[0][0] += ${s};\n cov2Dm[1][1] += ${s};\n float detBlur = cov2Dm[0][0] * cov2Dm[1][1] - cov2Dm[0][1] * cov2Dm[0][1];\n vColor.a *= sqrt(max(detOrig / detBlur, 0.0));\n if (vColor.a < minAlpha) return;\n `:`\n cov2Dm[0][0] += ${s};\n cov2Dm[1][1] += ${s};\n `,r+=`\n\n // We are interested in the upper-left 2x2 portion of the projected 3D covariance matrix because\n // we only care about the X and Y values. We want the X-diagonal, cov2Dm[0][0],\n // the Y-diagonal, cov2Dm[1][1], and the correlation between the two cov2Dm[0][1]. We don't\n // need cov2Dm[1][0] because it is a symetric matrix.\n vec3 cov2Dv = vec3(cov2Dm[0][0], cov2Dm[0][1], cov2Dm[1][1]);\n\n // We now need to solve for the eigen-values and eigen vectors of the 2D covariance matrix\n // so that we can determine the 2D basis for the splat. This is done using the method described\n // here: https://people.math.harvard.edu/~knill/teaching/math21b2004/exhibits/2dmatrices/index.html\n // After calculating the eigen-values and eigen-vectors, we calculate the basis for rendering the splat\n // by normalizing the eigen-vectors and then multiplying them by (sqrt(8) * sqrt(eigen-value)), which is\n // equal to scaling them by sqrt(8) standard deviations.\n //\n // This is a different approach than in the original work at INRIA. In that work they compute the\n // max extents of the projected splat in screen space to form a screen-space aligned bounding rectangle\n // which forms the geometry that is actually rasterized. The dimensions of that bounding box are 3.0\n // times the square root of the maximum eigen-value, or 3 standard deviations. They then use the inverse\n // 2D covariance matrix (called 'conic') in the CUDA rendering thread to determine fragment opacity by\n // calculating the full gaussian: exp(-0.5 * (X - mean) * conic * (X - mean)) * splat opacity\n float a = cov2Dv.x;\n float d = cov2Dv.z;\n float b = cov2Dv.y;\n float D = a * d - b * b;\n float trace = a + d;\n float traceOver2 = 0.5 * trace;\n float term2 = sqrt(max(0.1f, traceOver2 * traceOver2 - D));\n float eigenValue1 = traceOver2 + term2;\n float eigenValue2 = traceOver2 - term2;\n\n if (pointCloudModeEnabled == 1) {\n eigenValue1 = eigenValue2 = 0.2;\n }\n\n if (eigenValue2 <= 0.0) return;\n\n vec2 eigenVector1 = normalize(vec2(b, eigenValue1 - a));\n // since the eigen vectors are orthogonal, we derive the second one from the first\n vec2 eigenVector2 = vec2(eigenVector1.y, -eigenVector1.x);\n\n // We use sqrt(8) standard deviations instead of 3 to eliminate more of the splat with a very low opacity.\n vec2 basisVector1 = eigenVector1 * splatScale * min(sqrt8 * sqrt(eigenValue1), ${parseInt(n)}.0);\n vec2 basisVector2 = eigenVector2 * splatScale * min(sqrt8 * sqrt(eigenValue2), ${parseInt(n)}.0);\n `,t&&(r+="\n vColor.a *= splatOpacityFromScene;\n "),r+="\n vec2 ndcOffset = vec2(vPosition.x * basisVector1 + vPosition.y * basisVector2) *\n basisViewport * 2.0 * inverseFocalAdjustment;\n\n vec4 quadPos = vec4(ndcCenter.xy + ndcOffset, ndcCenter.z, 1.0);\n gl_Position = quadPos;\n\n // Scale the position data we send to the fragment shader\n vPosition *= sqrt8;\n ",r+=Gt.getVertexShaderFadeIn(),r+="}",r}static buildFragmentShader(){let e="\n precision highp float;\n #include <common>\n \n uniform vec3 debugColor;\n\n varying vec4 vColor;\n varying vec2 vUv;\n varying vec2 vPosition;\n ";return e+="\n void main () {\n // Compute the positional squared distance from the center of the splat to the current fragment.\n float A = dot(vPosition, vPosition);\n // Since the positional data in vPosition has been scaled by sqrt(8), the squared result will be\n // scaled by a factor of 8. If the squared result is larger than 8, it means it is outside the ellipse\n // defined by the rectangle formed by vPosition. It also means it's farther\n // away than sqrt(8) standard deviations from the mean.\n if (A > 8.0) discard;\n vec3 color = vColor.rgb;\n\n // Since the rendered splat is scaled by sqrt(8), the inverse covariance matrix that is part of\n // the gaussian formula becomes the identity matrix. We're then left with (X - mean) * (X - mean),\n // and since 'mean' is zero, we have X * X, which is the same as A:\n float opacity = exp(-0.5 * A) * vColor.a;\n\n gl_FragColor = vec4(color.rgb, opacity);\n }\n ","\n precision highp float;\n #include <common>\n \n uniform vec3 debugColor;\n\n varying vec4 vColor;\n varying vec2 vUv;\n varying vec2 vPosition;\n \n void main () {\n // Compute the positional squared distance from the center of the splat to the current fragment.\n float A = dot(vPosition, vPosition);\n // Since the positional data in vPosition has been scaled by sqrt(8), the squared result will be\n // scaled by a factor of 8. If the squared result is larger than 8, it means it is outside the ellipse\n // defined by the rectangle formed by vPosition. It also means it's farther\n // away than sqrt(8) standard deviations from the mean.\n if (A > 8.0) discard;\n vec3 color = vColor.rgb;\n\n // Since the rendered splat is scaled by sqrt(8), the inverse covariance matrix that is part of\n // the gaussian formula becomes the identity matrix. We're then left with (X - mean) * (X - mean),\n // and since 'mean' is zero, we have X * X, which is the same as A:\n float opacity = exp(-0.5 * A) * vColor.a;\n\n gl_FragColor = vec4(color.rgb, opacity);\n }\n "}}class qt{static build(t=!1,n=!1,s=1,r=!1,i=0){let o=Gt.buildVertexShaderBase(t,n,i,"\n uniform vec2 scaleRotationsTextureSize;\n uniform highp sampler2D scaleRotationsTexture;\n varying mat3 vT;\n varying vec2 vQuadCenter;\n varying vec2 vFragCoord;\n ");o+=qt.buildVertexShaderProjection();const a=qt.buildFragmentShader(),l=Gt.getUniforms(t,n,i,s,r);l.scaleRotationsTexture={type:"t",value:null},l.scaleRotationsTextureSize={type:"v2",value:new e.Vector2(1024,1024)};return new e.ShaderMaterial({uniforms:l,vertexShader:o,fragmentShader:a,transparent:!0,alphaTest:1,blending:e.NormalBlending,depthTest:!0,depthWrite:!1,side:e.DoubleSide})}static buildVertexShaderProjection(){let e="\n\n vec4 scaleRotationA = texture(scaleRotationsTexture, getDataUVF(nearestEvenIndex, 1.5,\n oddOffset, scaleRotationsTextureSize));\n vec4 scaleRotationB = texture(scaleRotationsTexture, getDataUVF(nearestEvenIndex, 1.5,\n oddOffset + uint(1), scaleRotationsTextureSize));\n\n vec3 scaleRotation123 = vec3(scaleRotationA.rgb) * (1.0 - fOddOffset) +\n vec3(scaleRotationA.ba, scaleRotationB.r) * fOddOffset;\n vec3 scaleRotation456 = vec3(scaleRotationA.a, scaleRotationB.rg) * (1.0 - fOddOffset) +\n vec3(scaleRotationB.gba) * fOddOffset;\n\n float missingW = sqrt(1.0 - scaleRotation456.x * scaleRotation456.x - scaleRotation456.y *\n scaleRotation456.y - scaleRotation456.z * scaleRotation456.z);\n mat3 R = quaternionToRotationMatrix(scaleRotation456.r, scaleRotation456.g, scaleRotation456.b, missingW);\n mat3 S = mat3(scaleRotation123.r, 0.0, 0.0,\n 0.0, scaleRotation123.g, 0.0,\n 0.0, 0.0, scaleRotation123.b);\n \n mat3 L = R * S;\n\n mat3x4 splat2World = mat3x4(vec4(L[0], 0.0),\n vec4(L[1], 0.0),\n vec4(splatCenter.x, splatCenter.y, splatCenter.z, 1.0));\n\n mat4 world2ndc = transpose(projectionMatrix * transformModelViewMatrix);\n\n mat3x4 ndc2pix = mat3x4(vec4(viewport.x / 2.0, 0.0, 0.0, (viewport.x - 1.0) / 2.0),\n vec4(0.0, viewport.y / 2.0, 0.0, (viewport.y - 1.0) / 2.0),\n vec4(0.0, 0.0, 0.0, 1.0));\n\n mat3 T = transpose(splat2World) * world2ndc * ndc2pix;\n vec3 normal = vec3(viewMatrix * vec4(L[0][2], L[1][2], L[2][2], 0.0));\n ";const t="\n vec3 T0 = vec3(T[0][0], T[0][1], T[0][2]);\n vec3 T1 = vec3(T[1][0], T[1][1], T[1][2]);\n vec3 T3 = vec3(T[2][0], T[2][1], T[2][2]);\n\n vec3 tempPoint = vec3(1.0, 1.0, -1.0);\n float distance = (T3.x * T3.x * tempPoint.x) + (T3.y * T3.y * tempPoint.y) + (T3.z * T3.z * tempPoint.z);\n vec3 f = (1.0 / distance) * tempPoint;\n if (abs(distance) < 0.00001) return;\n\n float pointImageX = (T0.x * T3.x * f.x) + (T0.y * T3.y * f.y) + (T0.z * T3.z * f.z);\n float pointImageY = (T1.x * T3.x * f.x) + (T1.y * T3.y * f.y) + (T1.z * T3.z * f.z);\n vec2 pointImage = vec2(pointImageX, pointImageY);\n\n float tempX = (T0.x * T0.x * f.x) + (T0.y * T0.y * f.y) + (T0.z * T0.z * f.z);\n float tempY = (T1.x * T1.x * f.x) + (T1.y * T1.y * f.y) + (T1.z * T1.z * f.z);\n vec2 temp = vec2(tempX, tempY);\n\n vec2 halfExtend = pointImage * pointImage - temp;\n vec2 extent = sqrt(max(vec2(0.0001), halfExtend));\n float radius = max(extent.x, extent.y);\n\n vec2 ndcOffset = ((position.xy * radius * 3.0) * basisViewport * 2.0);\n\n vec4 quadPos = vec4(ndcCenter.xy + ndcOffset, ndcCenter.z, 1.0);\n gl_Position = quadPos;\n\n vT = T;\n vQuadCenter = pointImage;\n vFragCoord = (quadPos.xy * 0.5 + 0.5) * viewport;\n ";return e+=`\n\n mat4 splat2World4 = mat4(vec4(L[0], 0.0),\n vec4(L[1], 0.0),\n vec4(L[2], 0.0),\n vec4(splatCenter.x, splatCenter.y, splatCenter.z, 1.0));\n\n mat4 Tt = transpose(transpose(splat2World4) * world2ndc);\n\n vec4 tempPoint1 = Tt * vec4(1.0, 0.0, 0.0, 1.0);\n tempPoint1 /= tempPoint1.w;\n\n vec4 tempPoint2 = Tt * vec4(0.0, 1.0, 0.0, 1.0);\n tempPoint2 /= tempPoint2.w;\n\n vec4 center = Tt * vec4(0.0, 0.0, 0.0, 1.0);\n center /= center.w;\n\n vec2 basisVector1 = tempPoint1.xy - center.xy;\n vec2 basisVector2 = tempPoint2.xy - center.xy;\n\n vec2 basisVector1Screen = basisVector1 * 0.5 * viewport;\n vec2 basisVector2Screen = basisVector2 * 0.5 * viewport;\n\n const float minPix = 1.;\n if (length(basisVector1Screen) < minPix || length(basisVector2Screen) < minPix) {\n ${t}\n } else {\n vec2 ndcOffset = vec2(position.x * basisVector1 + position.y * basisVector2) * 3.0 * inverseFocalAdjustment;\n vec4 quadPos = vec4(ndcCenter.xy + ndcOffset, ndcCenter.z, 1.0);\n gl_Position = quadPos;\n\n vT = T;\n vQuadCenter = center.xy;\n vFragCoord = (quadPos.xy * 0.5 + 0.5) * viewport;\n }\n `,e+=Gt.getVertexShaderFadeIn(),e+="}",e}static buildFragmentShader(){return"\n precision highp float;\n #include <common>\n\n uniform vec3 debugColor;\n\n varying vec4 vColor;\n varying vec2 vUv;\n varying vec2 vPosition;\n varying mat3 vT;\n varying vec2 vQuadCenter;\n varying vec2 vFragCoord;\n\n void main () {\n\n const float FilterInvSquare = 2.0;\n const float near_n = 0.2;\n const float T = 1.0;\n\n vec2 xy = vQuadCenter;\n vec3 Tu = vT[0];\n vec3 Tv = vT[1];\n vec3 Tw = vT[2];\n vec3 k = vFragCoord.x * Tw - Tu;\n vec3 l = vFragCoord.y * Tw - Tv;\n vec3 p = cross(k, l);\n if (p.z == 0.0) discard;\n vec2 s = vec2(p.x / p.z, p.y / p.z);\n float rho3d = (s.x * s.x + s.y * s.y); \n vec2 d = vec2(xy.x - vFragCoord.x, xy.y - vFragCoord.y);\n float rho2d = FilterInvSquare * (d.x * d.x + d.y * d.y); \n\n // compute intersection and depth\n float rho = min(rho3d, rho2d);\n float depth = (rho3d <= rho2d) ? (s.x * Tw.x + s.y * Tw.y) + Tw.z : Tw.z; \n if (depth < near_n) discard;\n // vec4 nor_o = collected_normal_opacity[j];\n // float normal[3] = {nor_o.x, nor_o.y, nor_o.z};\n float opa = vColor.a;\n\n float power = -0.5f * rho;\n if (power > 0.0f) discard;\n\n // Eq. (2) from 3D Gaussian splatting paper.\n // Obtain alpha by multiplying with Gaussian opacity\n // and its exponential falloff from mean.\n // Avoid numerical instabilities (see paper appendix). \n float alpha = min(0.99f, opa * exp(power));\n if (alpha < 1.0f / 255.0f) discard;\n float test_T = T * (1.0 - alpha);\n if (test_T < 0.0001)discard;\n\n float w = alpha * T;\n gl_FragColor = vec4(vColor.rgb, w);\n }\n "}}class Wt{static build(t){const n=new e.BufferGeometry;n.setIndex([0,1,2,0,2,3]);const s=new Float32Array(12),r=new e.BufferAttribute(s,3);n.setAttribute("position",r),r.setXYZ(0,-1,-1,0),r.setXYZ(1,-1,1,0),r.setXYZ(2,1,1,0),r.setXYZ(3,1,-1,0),r.needsUpdate=!0;const i=(new e.InstancedBufferGeometry).copy(n),o=new Uint32Array(t),a=new e.InstancedBufferAttribute(o,1,!1);return a.setUsage(e.DynamicDrawUsage),i.setAttribute("splatIndex",a),i.instanceCount=0,i}}class jt extends e.Object3D{constructor(t,n=new e.Vector3,s=new e.Quaternion,r=new e.Vector3(1,1,1),i=1,o=1,a=!0){super(),this.splatBuffer=t,this.position.copy(n),this.quaternion.copy(s),this.scale.copy(r),this.transform=new e.Matrix4,this.minimumAlpha=i,this.opacity=o,this.visible=a}copyTransformData(e){this.position.copy(e.position),this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.transform.copy(e.transform)}updateTransform(e){e?(this.matrixWorldAutoUpdate&&this.updateWorldMatrix(!0,!1),this.transform.copy(this.matrixWorld)):(this.matrixAutoUpdate&&this.updateMatrix(),this.transform.copy(this.matrix))}}class Yt{static idGen=0;constructor(t,n,s,r){this.min=(new e.Vector3).copy(t),this.max=(new e.Vector3).copy(n),this.boundingBox=new e.Box3(this.min,this.max),this.center=(new e.Vector3).copy(this.max).sub(this.min).multiplyScalar(.5).add(this.min),this.depth=s,this.children=[],this.data=null,this.id=r||Yt.idGen++}}class Xt{constructor(t,n){this.maxDepth=t,this.maxCentersPerNode=n,this.sceneDimensions=new e.Vector3,this.sceneMin=new e.Vector3,this.sceneMax=new e.Vector3,this.rootNode=null,this.nodesWithIndexes=[],this.splatMesh=null}static convertWorkerSubTreeNode(t){const n=(new e.Vector3).fromArray(t.min),s=(new e.Vector3).fromArray(t.max),r=new Yt(n,s,t.depth,t.id);if(t.data.indexes){r.data={indexes:[]};for(let e of t.data.indexes)r.data.indexes.push(e)}if(t.children)for(let e of t.children)r.children.push(Xt.convertWorkerSubTreeNode(e));return r}static convertWorkerSubTree(t,n){const s=new Xt(t.maxDepth,t.maxCentersPerNode);s.sceneMin=(new e.Vector3).fromArray(t.sceneMin),s.sceneMax=(new e.Vector3).fromArray(t.sceneMax),s.splatMesh=n,s.rootNode=Xt.convertWorkerSubTreeNode(t.rootNode);const r=(e,t)=>{0===e.children.length&&t(e);for(let n of e.children)r(n,t)};return s.nodesWithIndexes=[],r(s.rootNode,(e=>{e.data&&e.data.indexes&&e.data.indexes.length>0&&s.nodesWithIndexes.push(e)})),s}}function Jt(e){let t=0;class n{constructor(e,t){this.min=[e[0],e[1],e[2]],this.max=[t[0],t[1],t[2]]}containsPoint(e){return e[0]>=this.min[0]&&e[0]<=this.max[0]&&e[1]>=this.min[1]&&e[1]<=this.max[1]&&e[2]>=this.min[2]&&e[2]<=this.max[2]}}class s{constructor(e,t){this.maxDepth=e,this.maxCentersPerNode=t,this.sceneDimensions=[],this.sceneMin=[],this.sceneMax=[],this.rootNode=null,this.addedIndexes={},this.nodesWithIndexes=[],this.splatMesh=null,this.disposed=!1}}class r{constructor(e,n,s,r){this.min=[e[0],e[1],e[2]],this.max=[n[0],n[1],n[2]],this.center=[.5*(n[0]-e[0])+e[0],.5*(n[1]-e[1])+e[1],.5*(n[2]-e[2])+e[2]],this.depth=s,this.children=[],this.data=null,this.id=r||t++}}processSplatTreeNode=function(e,t,s,i){const o=t.data.indexes.length;if(o<e.maxCentersPerNode||t.depth>e.maxDepth){const n=[];for(let s=0;s<t.data.indexes.length;s++)e.addedIndexes[t.data.indexes[s]]||(n.push(t.data.indexes[s]),e.addedIndexes[t.data.indexes[s]]=!0);return t.data.indexes=n,t.data.indexes.sort(((e,t)=>e>t?1:-1)),void e.nodesWithIndexes.push(t)}const a=[t.max[0]-t.min[0],t.max[1]-t.min[1],t.max[2]-t.min[2]],l=[.5*a[0],.5*a[1],.5*a[2]],c=[t.min[0]+l[0],t.min[1]+l[1],t.min[2]+l[2]],h=[new n([c[0]-l[0],c[1],c[2]-l[2]],[c[0],c[1]+l[1],c[2]]),new n([c[0],c[1],c[2]-l[2]],[c[0]+l[0],c[1]+l[1],c[2]]),new n([c[0],c[1],c[2]],[c[0]+l[0],c[1]+l[1],c[2]+l[2]]),new n([c[0]-l[0],c[1],c[2]],[c[0],c[1]+l[1],c[2]+l[2]]),new n([c[0]-l[0],c[1]-l[1],c[2]-l[2]],[c[0],c[1],c[2]]),new n([c[0],c[1]-l[1],c[2]-l[2]],[c[0]+l[0],c[1],c[2]]),new n([c[0],c[1]-l[1],c[2]],[c[0]+l[0],c[1],c[2]+l[2]]),new n([c[0]-l[0],c[1]-l[1],c[2]],[c[0],c[1],c[2]+l[2]])],d=[],p=[];for(let e=0;e<h.length;e++)d[e]=0,p[e]=[];const u=[0,0,0];for(let e=0;e<o;e++){const n=t.data.indexes[e],r=s[n];u[0]=i[r],u[1]=i[r+1],u[2]=i[r+2];for(let e=0;e<h.length;e++)h[e].containsPoint(u)&&(d[e]++,p[e].push(n))}for(let e=0;e<h.length;e++){const n=new r(h[e].min,h[e].max,t.depth+1);n.data={indexes:p[e]},t.children.push(n)}t.data={};for(let n of t.children)processSplatTreeNode(e,n,s,i)};const i=(e,t,n)=>{const i=[0,0,0],o=[0,0,0],a=[],l=Math.floor(e.length/4);for(let t=0;t<l;t++){const n=4*t,s=e[n],r=e[n+1],l=e[n+2],c=Math.round(e[n+3]);(0===t||s<i[0])&&(i[0]=s),(0===t||s>o[0])&&(o[0]=s),(0===t||r<i[1])&&(i[1]=r),(0===t||r>o[1])&&(o[1]=r),(0===t||l<i[2])&&(i[2]=l),(0===t||l>o[2])&&(o[2]=l),a.push(c)}const c=new s(t,n);return c.sceneMin=i,c.sceneMax=o,c.rootNode=new r(c.sceneMin,c.sceneMax,0),c.rootNode.data={indexes:a},c};e.onmessage=t=>{t.data.process&&function(t,n,s){const r=[];for(let e of t){const t=Math.floor(e.length/4);for(let n=0;n<t;n++){const t=4*n;r[Math.round(e[t+3])]=t}}const o=[];for(let e of t){const t=i(e,n,s);o.push(t),processSplatTreeNode(t,t.rootNode,r,e)}e.postMessage({subTrees:o})}(t.data.process.centers,t.data.process.maxDepth,t.data.process.maxCentersPerNode)}}class Zt{constructor(e,t){this.maxDepth=e,this.maxCentersPerNode=t,this.subTrees=[],this.splatMesh=null}dispose(){this.diposeSplatTreeWorker(),this.disposed=!0}diposeSplatTreeWorker(){this.splatTreeWorker&&this.splatTreeWorker.terminate(),this.splatTreeWorker=null}processSplatMesh=function(t,n=(()=>!0),s,r){this.splatTreeWorker||(this.splatTreeWorker=new Worker(URL.createObjectURL(new Blob(["(",Jt.toString(),")(self)"],{type:"application/javascript"})))),this.splatMesh=t,this.subTrees=[];const i=new e.Vector3,o=(e,s)=>{const r=new Float32Array(4*s);let o=0;for(let a=0;a<s;a++){const s=a+e;if(n(s)){t.getSplatCenter(s,i);const e=4*o;r[e]=i.x,r[e+1]=i.y,r[e+2]=i.z,r[e+3]=s,o++}}return r};return new Promise((e=>{const n=()=>!!this.disposed&&(this.diposeSplatTreeWorker(),e(),!0);s&&s(!1),S((()=>{if(n())return;const i=[];if(t.dynamicMode){let e=0;for(let n=0;n<t.scenes.length;n++){const s=t.getScene(n).splatBuffer.getSplatCount(),r=o(e,s);i.push(r),e+=s}}else{const e=o(0,t.getSplatCount());i.push(e)}this.splatTreeWorker.onmessage=s=>{n()||s.data.subTrees&&(r&&r(!1),S((()=>{if(!n()){for(let e of s.data.subTrees){const n=Xt.convertWorkerSubTree(e,t);this.subTrees.push(n)}this.diposeSplatTreeWorker(),r&&r(!0),S((()=>{e()}))}})))},S((()=>{if(n())return;s&&s(!0);const e=i.map((e=>e.buffer));!function(e,t,n,s,r){e.postMessage({process:{centers:t,maxDepth:s,maxCentersPerNode:r}},n)}(this.splatTreeWorker,i,e,this.maxDepth,this.maxCentersPerNode)}))}))}))};countLeaves(){let e=0;return this.visitLeaves((()=>{e++})),e}visitLeaves(e){const t=(e,n)=>{0===e.children.length&&n(e);for(let s of e.children)t(s,n)};for(let n of this.subTrees)t(n.rootNode,e)}}function $t(e){const t={};function n(n){if(void 0!==t[n])return t[n];let s;switch(n){case"WEBGL_depth_texture":s=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":s=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":s=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":s=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:s=e.getExtension(n)}return t[n]=s,s}return{has:function(e){return null!==n(e)},init:function(e){e.isWebGL2?(n("EXT_color_buffer_float"),n("WEBGL_clip_cull_distance")):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float"),n("WEBGL_multisampled_render_to_texture")},get:function(e){const t=n(e);return null===t&&console.warn("THREE.WebGLRenderer: "+e+" extension not supported."),t}}}function en(e,t,n){let s;function r(t){if("highp"===t){if(e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const i="undefined"!=typeof WebGL2RenderingContext&&"WebGL2RenderingContext"===e.constructor.name;let o=void 0!==n.precision?n.precision:"highp";const a=r(o);a!==o&&(console.warn("THREE.WebGLRenderer:",o,"not supported, using",a,"instead."),o=a);const l=i||t.has("WEBGL_draw_buffers"),c=!0===n.logarithmicDepthBuffer,h=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),d=e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),p=e.getParameter(e.MAX_TEXTURE_SIZE),u=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),m=e.getParameter(e.MAX_VERTEX_ATTRIBS),A=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),f=e.getParameter(e.MAX_VARYING_VECTORS),g=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),S=d>0,C=i||t.has("OES_texture_float");return{isWebGL2:i,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==s)return s;if(!0===t.has("EXT_texture_filter_anisotropic")){const n=t.get("EXT_texture_filter_anisotropic");s=e.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else s=0;return s},getMaxPrecision:r,precision:o,logarithmicDepthBuffer:c,maxTextures:h,maxVertexTextures:d,maxTextureSize:p,maxCubemapSize:u,maxAttributes:m,maxVertexUniforms:A,maxVaryings:f,maxFragmentUniforms:g,vertexTextures:S,floatFragmentTextures:C,floatVertexTextures:S&&C,maxSamples:i?e.getParameter(e.MAX_SAMPLES):0}}const tn={Default:0,Gradual:1,Instant:2},nn={None:0,Error:1,Warning:2,Info:3,Debug:4},sn=new e.BufferGeometry,rn=new e.MeshBasicMaterial,on=16777216;class an extends e.Mesh{constructor(t=Vt.ThreeD,n=!1,s=!1,r=!1,i=1,o=!0,a=!1,l=!1,c=1024,h=nn.None,d=0,p=1,u=.3){super(sn,rn),this.renderer=void 0,this.splatRenderMode=t,this.dynamicMode=n,this.enableOptionalEffects=s,this.halfPrecisionCovariancesOnGPU=r,this.devicePixelRatio=i,this.enableDistancesComputationOnGPU=o,this.integerBasedDistancesComputation=a,this.antialiased=l,this.kernel2DSize=u,this.maxScreenSpaceSplatSize=c,this.logLevel=h,this.sphericalHarmonicsDegree=d,this.minSphericalHarmonicsDegree=0,this.sceneFadeInRateMultiplier=p,this.scenes=[],this.splatTree=null,this.baseSplatTree=null,this.splatDataTextures={},this.distancesTransformFeedback={id:null,vertexShader:null,fragmentShader:null,program:null,centersBuffer:null,sceneIndexesBuffer:null,outDistancesBuffer:null,centersLoc:-1,modelViewProjLoc:-1,sceneIndexesLoc:-1,transformsLocs:[]},this.globalSplatIndexToLocalSplatIndexMap=[],this.globalSplatIndexToSceneIndexMap=[],this.lastBuildSplatCount=0,this.lastBuildScenes=[],this.lastBuildMaxSplatCount=0,this.lastBuildSceneCount=0,this.firstRenderTime=-1,this.finalBuild=!1,this.webGLUtils=null,this.boundingBox=new e.Box3,this.calculatedSceneCenter=new e.Vector3,this.maxSplatDistanceFromSceneCenter=0,this.visibleRegionBufferRadius=0,this.visibleRegionRadius=0,this.visibleRegionFadeStartRadius=0,this.visibleRegionChanging=!1,this.splatScale=1,this.pointCloudModeEnabled=!1,this.disposed=!1,this.lastRenderer=null,this.visible=!1}static buildScenes(t,n,s){const r=[];r.length=n.length;for(let i=0;i<n.length;i++){const o=n[i],a=s[i]||{};let l=a.position||[0,0,0],c=a.rotation||[0,0,0,1],h=a.scale||[1,1,1];const d=(new e.Vector3).fromArray(l),p=(new e.Quaternion).fromArray(c),u=(new e.Vector3).fromArray(h),m=an.createScene(o,d,p,u,a.splatAlphaRemovalThreshold||1,a.opacity,a.visible);t.add(m),r[i]=m}return r}static createScene(e,t,n,s,r,i=1,o=!0){return new jt(e,t,n,s,r,i,o)}static buildSplatIndexMaps(e){const t=[],n=[];let s=0;for(let r=0;r<e.length;r++){const i=e[r].getMaxSplatCount();for(let e=0;e<i;e++)t[s]=e,n[s]=r,s++}return{localSplatIndexMap:t,sceneIndexMap:n}}buildSplatTree=function(t=[],n,s){return new Promise((r=>{this.disposeSplatTree(),this.baseSplatTree=new Zt(8,1e3);const i=performance.now(),o=new e.Vector4;this.baseSplatTree.processSplatMesh(this,(e=>{this.getSplatColor(e,o);const n=this.getSceneIndexForSplat(e),s=t[n]||1;return o.w>=s}),n,s).then((()=>{const e=performance.now()-i;if(this.logLevel>=nn.Info&&console.log("SplatTree build: "+e+" ms"),this.disposed)r();else{this.splatTree=this.baseSplatTree,this.baseSplatTree=null;let e=0,t=0,n=0,s=0;this.splatTree.visitLeaves((r=>{const i=r.data.indexes.length;i>0&&(t+=i,n=Math.max(n,i),s++,e++)})),this.logLevel>=nn.Info&&(console.log(`SplatTree leaves: ${this.splatTree.countLeaves()}`),console.log(`SplatTree leaves with splats:${e}`),t/=s,console.log(`Avg splat count per node: ${t}`),console.log(`Total splat count: ${this.getSplatCount()}`)),r()}}))}))};build(t,n,s=!0,r=!1,i,o,a=!0){this.sceneOptions=n,this.finalBuild=r;const l=an.getTotalMaxSplatCountForSplatBuffers(t),c=an.buildScenes(this,t,n);if(s)for(let e=0;e<this.scenes.length&&e<c.length;e++){const t=c[e],n=this.getScene(e);t.copyTransformData(n)}this.scenes=c;let h=3;for(let e of t){const t=e.getMinSphericalHarmonicsDegree();t<h&&(h=t)}this.minSphericalHarmonicsDegree=Math.min(h,this.sphericalHarmonicsDegree);let d=!1;if(t.length!==this.lastBuildScenes.length)d=!0;else for(let e=0;e<t.length;e++){if(t[e]!==this.lastBuildScenes[e].splatBuffer){d=!0;break}}let p=!0;if((1!==this.scenes.length||this.lastBuildSceneCount!==this.scenes.length||this.lastBuildMaxSplatCount!==l||d)&&(p=!1),!p){this.boundingBox=new e.Box3,a||(this.maxSplatDistanceFromSceneCenter=0,this.visibleRegionBufferRadius=0,this.visibleRegionRadius=0,this.visibleRegionFadeStartRadius=0,this.firstRenderTime=-1),this.lastBuildScenes=[],this.lastBuildSplatCount=0,this.lastBuildMaxSplatCount=0,this.disposeMeshData(),this.geometry=Wt.build(l),this.splatRenderMode===Vt.ThreeD?this.material=Kt.build(this.dynamicMode,this.enableOptionalEffects,this.antialiased,this.maxScreenSpaceSplatSize,this.splatScale,this.pointCloudModeEnabled,this.minSphericalHarmonicsDegree,this.kernel2DSize):this.material=qt.build(this.dynamicMode,this.enableOptionalEffects,this.splatScale,this.pointCloudModeEnabled,this.minSphericalHarmonicsDegree);const n=an.buildSplatIndexMaps(t);this.globalSplatIndexToLocalSplatIndexMap=n.localSplatIndexMap,this.globalSplatIndexToSceneIndexMap=n.sceneIndexMap}const u=this.getSplatCount(!0);this.enableDistancesComputationOnGPU&&this.setupDistancesComputationTransformFeedback();const m=this.refreshGPUDataFromSplatBuffers(p);for(let e=0;e<this.scenes.length;e++)this.lastBuildScenes[e]=this.scenes[e];return this.lastBuildSplatCount=u,this.lastBuildMaxSplatCount=this.getMaxSplatCount(),this.lastBuildSceneCount=this.scenes.length,r&&this.scenes.length>0&&this.buildSplatTree(n.map((e=>e.splatAlphaRemovalThreshold||1)),i,o).then((()=>{this.onSplatTreeReadyCallback&&this.onSplatTreeReadyCallback(this.splatTree),this.onSplatTreeReadyCallback=null})),this.visible=this.scenes.length>0,m}freeIntermediateSplatData(){const e=e=>{delete e.source.data,delete e.image,e.onUpdate=null};delete this.splatDataTextures.baseData.covariances,delete this.splatDataTextures.baseData.centers,delete this.splatDataTextures.baseData.colors,delete this.splatDataTextures.baseData.sphericalHarmonics,delete this.splatDataTextures.centerColors.data,delete this.splatDataTextures.covariances.data,this.splatDataTextures.sphericalHarmonics&&delete this.splatDataTextures.sphericalHarmonics.data,this.splatDataTextures.sceneIndexes&&delete this.splatDataTextures.sceneIndexes.data,this.splatDataTextures.centerColors.texture.needsUpdate=!0,this.splatDataTextures.centerColors.texture.onUpdate=()=>{e(this.splatDataTextures.centerColors.texture)},this.splatDataTextures.covariances.texture.needsUpdate=!0,this.splatDataTextures.covariances.texture.onUpdate=()=>{e(this.splatDataTextures.covariances.texture)},this.splatDataTextures.sphericalHarmonics&&(this.splatDataTextures.sphericalHarmonics.texture?(this.splatDataTextures.sphericalHarmonics.texture.needsUpdate=!0,this.splatDataTextures.sphericalHarmonics.texture.onUpdate=()=>{e(this.splatDataTextures.sphericalHarmonics.texture)}):this.splatDataTextures.sphericalHarmonics.textures.forEach((t=>{t.needsUpdate=!0,t.onUpdate=()=>{e(t)}}))),this.splatDataTextures.sceneIndexes&&(this.splatDataTextures.sceneIndexes.texture.needsUpdate=!0,this.splatDataTextures.sceneIndexes.texture.onUpdate=()=>{e(this.splatDataTextures.sceneIndexes.texture)})}dispose(){this.disposeMeshData(),this.disposeTextures(),this.disposeSplatTree(),this.enableDistancesComputationOnGPU&&(this.computeDistancesOnGPUSyncTimeout&&(clearTimeout(this.computeDistancesOnGPUSyncTimeout),this.computeDistancesOnGPUSyncTimeout=null),this.disposeDistancesComputationGPUResources()),this.scenes=[],this.distancesTransformFeedback={id:null,vertexShader:null,fragmentShader:null,program:null,centersBuffer:null,sceneIndexesBuffer:null,outDistancesBuffer:null,centersLoc:-1,modelViewProjLoc:-1,sceneIndexesLoc:-1,transformsLocs:[]},this.renderer=null,this.globalSplatIndexToLocalSplatIndexMap=[],this.globalSplatIndexToSceneIndexMap=[],this.lastBuildSplatCount=0,this.lastBuildScenes=[],this.lastBuildMaxSplatCount=0,this.lastBuildSceneCount=0,this.firstRenderTime=-1,this.finalBuild=!1,this.webGLUtils=null,this.boundingBox=new e.Box3,this.calculatedSceneCenter=new e.Vector3,this.maxSplatDistanceFromSceneCenter=0,this.visibleRegionBufferRadius=0,this.visibleRegionRadius=0,this.visibleRegionFadeStartRadius=0,this.visibleRegionChanging=!1,this.splatScale=1,this.pointCloudModeEnabled=!1,this.disposed=!0,this.lastRenderer=null,this.visible=!1}disposeMeshData(){this.geometry&&this.geometry!==sn&&(this.geometry.dispose(),this.geometry=null),this.material&&(this.material.dispose(),this.material=null)}disposeTextures(){for(let e in this.splatDataTextures)if(this.splatDataTextures.hasOwnProperty(e)){const t=this.splatDataTextures[e];t.texture&&(t.texture.dispose(),t.texture=null)}this.splatDataTextures=null}disposeSplatTree(){this.splatTree&&(this.splatTree.dispose(),this.splatTree=null),this.baseSplatTree&&(this.baseSplatTree.dispose(),this.baseSplatTree=null)}getSplatTree(){return this.splatTree}onSplatTreeReady(e){this.onSplatTreeReadyCallback=e}getDataForDistancesComputation(e,t){return{centers:this.integerBasedDistancesComputation?this.getIntegerCenters(e,t,!0):this.getFloatCenters(e,t,!0),sceneIndexes:this.getSceneIndexes(e,t)}}refreshGPUDataFromSplatBuffers(e){const t=this.getSplatCount(!0);this.refreshDataTexturesFromSplatBuffers(e);const n=e?this.lastBuildSplatCount:0,{centers:s,sceneIndexes:r}=this.getDataForDistancesComputation(n,t-1);return this.enableDistancesComputationOnGPU&&this.refreshGPUBuffersForDistancesComputation(s,r,e),{from:n,to:t-1,count:t-n,centers:s,sceneIndexes:r}}refreshGPUBuffersForDistancesComputation(e,t,n=!1){const s=n?this.lastBuildSplatCount:0;this.updateGPUCentersBufferForDistancesComputation(n,e,s),this.updateGPUTransformIndexesBufferForDistancesComputation(n,t,s)}refreshDataTexturesFromSplatBuffers(e){const t=this.getSplatCount(!0),n=this.lastBuildSplatCount,s=t-1;e?this.updateBaseDataFromSplatBuffers(n,s):(this.setupDataTextures(),this.updateBaseDataFromSplatBuffers()),this.updateDataTexturesFromBaseData(n,s),this.updateVisibleRegion(e)}setupDataTextures(){const t=this.getMaxSplatCount(),n=this.getSplatCount(!0);this.disposeTextures();const s=(n,s)=>{const r=new e.Vector2(4096,1024);for(;r.x*r.y*n<t*s;)r.y*=2;return r},r=e=>{const t=(e=>e>=1?6:4)(e);return{elementsPerTexelStored:t,texSize:s(t,6)}};let i=this.getTargetCovarianceCompressionLevel();const o=this.getTargetSphericalHarmonicsCompressionLevel();let a,l,c;if(this.splatRenderMode===Vt.ThreeD){const e=r(i);e.texSize.x*e.texSize.y>on&&0===i&&(i=1),a=new Float32Array(6*t)}else l=new Float32Array(3*t),c=new Float32Array(4*t);const h=new Float32Array(3*t),d=new Uint8Array(4*t);let p=Float32Array;1===o?p=Uint16Array:2===o&&(p=Uint8Array);const u=C(this.minSphericalHarmonicsDegree),m=this.minSphericalHarmonicsDegree?new p(t*u):void 0,A=s(4,4),f=new Uint32Array(A.x*A.y*4);an.updateCenterColorsPaddedData(0,n-1,h,d,f);const g=new e.DataTexture(f,A.x,A.y,e.RGBAIntegerFormat,e.UnsignedIntType);if(g.internalFormat="RGBA32UI",g.needsUpdate=!0,this.material.uniforms.centersColorsTexture.value=g,this.material.uniforms.centersColorsTextureSize.value.copy(A),this.material.uniformsNeedUpdate=!0,this.splatDataTextures={baseData:{covariances:a,scales:l,rotations:c,centers:h,colors:d,sphericalHarmonics:m},centerColors:{data:f,texture:g,size:A}},this.splatRenderMode===Vt.ThreeD){const t=r(i),n=t.elementsPerTexelStored,s=t.texSize;const o=i>=1?8:4,l=new(i>=1?Uint32Array:Float32Array)(s.x*s.y*o);let c;if(0===i?l.set(a):an.updatePaddedCompressedCovariancesTextureData(a,l,0,0,a.length),i>=1)c=new e.DataTexture(l,s.x,s.y,e.RGBAIntegerFormat,e.UnsignedIntType),c.internalFormat="RGBA32UI",this.material.uniforms.covariancesTextureHalfFloat.value=c;else{c=new e.DataTexture(l,s.x,s.y,e.RGBAFormat,e.FloatType),this.material.uniforms.covariancesTexture.value=c;const t=new e.DataTexture(new Uint32Array(32),2,2,e.RGBAIntegerFormat,e.UnsignedIntType);t.internalFormat="RGBA32UI",this.material.uniforms.covariancesTextureHalfFloat.value=t,t.needsUpdate=!0}c.needsUpdate=!0,this.material.uniforms.covariancesAreHalfFloat.value=i>=1?1:0,this.material.uniforms.covariancesTextureSize.value.copy(s),this.splatDataTextures.covariances={data:l,texture:c,size:s,compressionLevel:i,elementsPerTexelStored:n,elementsPerTexelAllocated:o}}else{const t=s(4,6);let r=Float32Array,i=e.FloatType;const o=new r(t.x*t.y*4);an.updateScaleRotationsPaddedData(0,n-1,l,c,o);const a=new e.DataTexture(o,t.x,t.y,e.RGBAFormat,i);a.needsUpdate=!0,this.material.uniforms.scaleRotationsTexture.value=a,this.material.uniforms.scaleRotationsTextureSize.value.copy(t),this.splatDataTextures.scaleRotations={data:o,texture:a,size:t,compressionLevel:0}}if(m){const t=2===o?e.UnsignedByteType:e.HalfFloatType;let r=u;r%2!=0&&r++;const i=2===this.minSphericalHarmonicsDegree?4:2,a=4===i?e.RGBAFormat:e.RGFormat;let l=s(i,r);if(l.x*l.y<=on){const s=new p(l.x*l.y*i);for(let e=0;e<n;e++){const t=u*e,n=r*e;for(let e=0;e<u;e++)s[n+e]=m[t+e]}const c=new e.DataTexture(s,l.x,l.y,a,t);c.needsUpdate=!0,this.material.uniforms.sphericalHarmonicsTexture.value=c,this.splatDataTextures.sphericalHarmonics={componentCount:u,paddedComponentCount:r,data:s,textureCount:1,texture:c,size:l,compressionLevel:o,elementsPerTexel:i}}else{const c=u/3;r=c,r%2!=0&&r++,l=s(i,r);const h=l.x*l.y*i,d=[this.material.uniforms.sphericalHarmonicsTextureR,this.material.uniforms.sphericalHarmonicsTextureG,this.material.uniforms.sphericalHarmonicsTextureB],A=[],f=[];for(let s=0;s<3;s++){const i=new p(h);A.push(i);for(let e=0;e<n;e++){const t=u*e,n=r*e;if(c>=3){for(let e=0;e<3;e++)i[n+e]=m[t+3*s+e];if(c>=8)for(let e=0;e<5;e++)i[n+3+e]=m[t+9+5*s+e]}}const o=new e.DataTexture(i,l.x,l.y,a,t);f.push(o),o.needsUpdate=!0,d[s].value=o}this.material.uniforms.sphericalHarmonicsMultiTextureMode.value=1,this.splatDataTextures.sphericalHarmonics={componentCount:u,componentCountPerChannel:c,paddedComponentCount:r,data:A,textureCount:3,textures:f,size:l,compressionLevel:o,elementsPerTexel:i}}this.material.uniforms.sphericalHarmonicsTextureSize.value.copy(l),this.material.uniforms.sphericalHarmonics8BitMode.value=2===o?1:0;for(let e=0;e<this.scenes.length;e++){const t=this.scenes[e].splatBuffer;this.material.uniforms.sphericalHarmonics8BitCompressionRangeMin.value[e]=t.minSphericalHarmonicsCoeff,this.material.uniforms.sphericalHarmonics8BitCompressionRangeMax.value[e]=t.maxSphericalHarmonicsCoeff}this.material.uniformsNeedUpdate=!0}const S=s(1,4),y=new Uint32Array(S.x*S.y*1);for(let e=0;e<n;e++)y[e]=this.globalSplatIndexToSceneIndexMap[e];const x=new e.DataTexture(y,S.x,S.y,e.RedIntegerFormat,e.UnsignedIntType);x.internalFormat="R32UI",x.needsUpdate=!0,this.material.uniforms.sceneIndexesTexture.value=x,this.material.uniforms.sceneIndexesTextureSize.value.copy(S),this.material.uniformsNeedUpdate=!0,this.splatDataTextures.sceneIndexes={data:y,texture:x,size:S},this.material.uniforms.sceneCount.value=this.scenes.length}updateBaseDataFromSplatBuffers(e,t){const n=this.splatDataTextures.covariances,s=n?n.compressionLevel:void 0,r=this.splatDataTextures.scaleRotations,i=r?r.compressionLevel:void 0,o=this.splatDataTextures.sphericalHarmonics,a=o?o.compressionLevel:0;this.fillSplatDataArrays(this.splatDataTextures.baseData.covariances,this.splatDataTextures.baseData.scales,this.splatDataTextures.baseData.rotations,this.splatDataTextures.baseData.centers,this.splatDataTextures.baseData.colors,this.splatDataTextures.baseData.sphericalHarmonics,void 0,s,i,a,e,t,e)}updateDataTexturesFromBaseData(e,t){const n=this.splatDataTextures.covariances,s=n?n.compressionLevel:void 0,r=this.splatDataTextures.scaleRotations,i=r?r.compressionLevel:void 0,o=this.splatDataTextures.sphericalHarmonics,a=o?o.compressionLevel:0,l=this.splatDataTextures.centerColors,c=l.data,h=l.texture;an.updateCenterColorsPaddedData(e,t,this.splatDataTextures.baseData.centers,this.splatDataTextures.baseData.colors,c);const d=this.renderer?this.renderer.properties.get(h):null;if(d&&d.__webglTexture?this.updateDataTexture(c,l.texture,l.size,d,4,4,4,e,t):h.needsUpdate=!0,n){const r=n.texture,i=6*e,o=6*t;if(0===s)for(let e=i;e<=o;e++){const t=this.splatDataTextures.baseData.covariances[e];n.data[e]=t}else an.updatePaddedCompressedCovariancesTextureData(this.splatDataTextures.baseData.covariances,n.data,e*n.elementsPerTexelAllocated,i,o);const a=this.renderer?this.renderer.properties.get(r):null;a&&a.__webglTexture?0===s?this.updateDataTexture(n.data,n.texture,n.size,a,n.elementsPerTexelStored,6,4,e,t):this.updateDataTexture(n.data,n.texture,n.size,a,n.elementsPerTexelAllocated,n.elementsPerTexelAllocated,2,e,t):r.needsUpdate=!0}if(r){const n=r.data,s=r.texture,o=6,a=0===i?4:2;an.updateScaleRotationsPaddedData(e,t,this.splatDataTextures.baseData.scales,this.splatDataTextures.baseData.rotations,n);const l=this.renderer?this.renderer.properties.get(s):null;l&&l.__webglTexture?this.updateDataTexture(n,r.texture,r.size,l,4,o,a,e,t):s.needsUpdate=!0}const p=this.splatDataTextures.baseData.sphericalHarmonics;if(p){let n=4;1===a?n=2:2===a&&(n=1);const s=(s,r,i,o,a)=>{const l=this.renderer?this.renderer.properties.get(s):null;l&&l.__webglTexture?this.updateDataTexture(o,s,r,l,i,a,n,e,t):s.needsUpdate=!0},r=o.componentCount,i=o.paddedComponentCount;if(1===o.textureCount){const n=o.data;for(let s=e;s<=t;s++){const e=r*s,t=i*s;for(let s=0;s<r;s++)n[t+s]=p[e+s]}s(o.texture,o.size,o.elementsPerTexel,n,i)}else{const n=o.componentCountPerChannel;for(let a=0;a<3;a++){const l=o.data[a];for(let s=e;s<=t;s++){const e=r*s,t=i*s;if(n>=3){for(let n=0;n<3;n++)l[t+n]=p[e+3*a+n];if(n>=8)for(let n=0;n<5;n++)l[t+3+n]=p[e+9+5*a+n]}}s(o.textures[a],o.size,o.elementsPerTexel,l,i)}}}const u=this.splatDataTextures.sceneIndexes,m=u.data;for(let e=this.lastBuildSplatCount;e<=t;e++)m[e]=this.globalSplatIndexToSceneIndexMap[e];const A=u.texture,f=this.renderer?this.renderer.properties.get(A):null;f&&f.__webglTexture?this.updateDataTexture(m,u.texture,u.size,f,1,1,1,this.lastBuildSplatCount,t):A.needsUpdate=!0}getTargetCovarianceCompressionLevel(){return this.halfPrecisionCovariancesOnGPU?1:0}getTargetSphericalHarmonicsCompressionLevel(){return Math.max(1,this.getMaximumSplatBufferCompressionLevel())}getMaximumSplatBufferCompressionLevel(){let e;for(let t=0;t<this.scenes.length;t++){const n=this.getScene(t).splatBuffer;(0===t||n.compressionLevel>e)&&(e=n.compressionLevel)}return e}getMinimumSplatBufferCompressionLevel(){let e;for(let t=0;t<this.scenes.length;t++){const n=this.getScene(t).splatBuffer;(0===t||n.compressionLevel<e)&&(e=n.compressionLevel)}return e}static computeTextureUpdateRegion(e,t,n,s,r){const i=r/s,o=e*i,a=Math.floor(o/n),l=a*n*s,c=t*i,h=Math.floor(c/n);return{dataStart:l,dataEnd:h*n*s+n*s,startRow:a,endRow:h}}updateDataTexture(e,t,n,s,r,i,o,a,l){const c=this.renderer.getContext(),h=an.computeTextureUpdateRegion(a,l,n.x,r,i),d=h.dataEnd-h.dataStart,p=new e.constructor(e.buffer,h.dataStart*o,d),u=h.endRow-h.startRow+1,m=this.webGLUtils.convert(t.type),A=this.webGLUtils.convert(t.format,t.colorSpace),f=c.getParameter(c.TEXTURE_BINDING_2D);c.bindTexture(c.TEXTURE_2D,s.__webglTexture),c.texSubImage2D(c.TEXTURE_2D,0,0,h.startRow,n.x,u,A,m,p),c.bindTexture(c.TEXTURE_2D,f)}static updatePaddedCompressedCovariancesTextureData(e,t,n,s,r){let i=new DataView(t.buffer),o=n,a=0;for(let t=s;t<=r;t+=2)i.setUint16(2*o,e[t],!0),i.setUint16(2*o+2,e[t+1],!0),o+=2,a++,a>=3&&(o+=2,a=0)}static updateCenterColorsPaddedData(e,t,n,s,r){for(let a=e;a<=t;a++){const e=4*a,t=3*a,l=4*a;r[l]=(i=s)[o=e]+(i[o+1]<<8)+(i[o+2]<<16)+(i[o+3]<<24),r[l+1]=u(n[t]),r[l+2]=u(n[t+1]),r[l+3]=u(n[t+2])}var i,o}static updateScaleRotationsPaddedData(e,t,n,s,r){for(let i=e;i<=t;i++){const e=3*i,t=4*i,o=6*i;r[o]=n[e],r[o+1]=n[e+1],r[o+2]=n[e+2],r[o+3]=s[t],r[o+4]=s[t+1],r[o+5]=s[t+2]}}updateVisibleRegion(t){const n=this.getSplatCount(!0),s=new e.Vector3;if(!t){const t=new e.Vector3;this.scenes.forEach((e=>{t.add(e.splatBuffer.sceneCenter)})),t.multiplyScalar(1/this.scenes.length),this.calculatedSceneCenter.copy(t),this.material.uniforms.sceneCenter.value.copy(this.calculatedSceneCenter),this.material.uniformsNeedUpdate=!0}for(let e=t?this.lastBuildSplatCount:0;e<n;e++){this.getSplatCenter(e,s,!0);const t=s.sub(this.calculatedSceneCenter).length();t>this.maxSplatDistanceFromSceneCenter&&(this.maxSplatDistanceFromSceneCenter=t)}this.maxSplatDistanceFromSceneCenter-this.visibleRegionBufferRadius>1&&(this.visibleRegionBufferRadius=this.maxSplatDistanceFromSceneCenter,this.visibleRegionRadius=Math.max(this.visibleRegionBufferRadius-1,0)),this.finalBuild&&(this.visibleRegionRadius=this.visibleRegionBufferRadius=this.maxSplatDistanceFromSceneCenter),this.updateVisibleRegionFadeDistance()}updateVisibleRegionFadeDistance(e=tn.Default){const t=.012*this.sceneFadeInRateMultiplier,n=.003*this.sceneFadeInRateMultiplier,s=this.finalBuild?t:n,r=e===tn.Default?s:n;this.visibleRegionFadeStartRadius=(this.visibleRegionRadius-this.visibleRegionFadeStartRadius)*r+this.visibleRegionFadeStartRadius;const i=(this.visibleRegionBufferRadius>0?this.visibleRegionFadeStartRadius/this.visibleRegionBufferRadius:0)>.99,o=i||e===tn.Instant?1:0;this.material.uniforms.visibleRegionFadeStartRadius.value=this.visibleRegionFadeStartRadius,this.material.uniforms.visibleRegionRadius.value=this.visibleRegionRadius,this.material.uniforms.firstRenderTime.value=this.firstRenderTime,this.material.uniforms.currentTime.value=performance.now(),this.material.uniforms.fadeInComplete.value=o,this.material.uniformsNeedUpdate=!0,this.visibleRegionChanging=!i}updateRenderIndexes(e,t){const n=this.geometry;n.attributes.splatIndex.set(e),n.attributes.splatIndex.needsUpdate=!0,t>0&&-1===this.firstRenderTime&&(this.firstRenderTime=performance.now()),n.instanceCount=t,n.setDrawRange(0,t)}updateTransforms(){for(let e=0;e<this.scenes.length;e++){this.getScene(e).updateTransform(this.dynamicMode)}}updateUniforms=function(){const t=new e.Vector2;return function(e,n,s,r,i,o){if(this.getSplatCount()>0){if(t.set(e.x*this.devicePixelRatio,e.y*this.devicePixelRatio),this.material.uniforms.viewport.value.copy(t),this.material.uniforms.basisViewport.value.set(1/t.x,1/t.y),this.material.uniforms.focal.value.set(n,s),this.material.uniforms.orthographicMode.value=r?1:0,this.material.uniforms.orthoZoom.value=i,this.material.uniforms.inverseFocalAdjustment.value=o,this.dynamicMode)for(let e=0;e<this.scenes.length;e++)this.material.uniforms.transforms.value[e].copy(this.getScene(e).transform);if(this.enableOptionalEffects)for(let e=0;e<this.scenes.length;e++)this.material.uniforms.sceneOpacity.value[e]=A(this.getScene(e).opacity,0,1),this.material.uniforms.sceneVisibility.value[e]=this.getScene(e).visible?1:0,this.material.uniformsNeedUpdate=!0;this.material.uniformsNeedUpdate=!0}}}();setSplatScale(e=1){this.splatScale=e,this.material.uniforms.splatScale.value=e,this.material.uniformsNeedUpdate=!0}getSplatScale(){return this.splatScale}setPointCloudModeEnabled(e){this.pointCloudModeEnabled=e,this.material.uniforms.pointCloudModeEnabled.value=e?1:0,this.material.uniformsNeedUpdate=!0}getPointCloudModeEnabled(){return this.pointCloudModeEnabled}getSplatDataTextures(){return this.splatDataTextures}getSplatCount(e=!1){return e?an.getTotalSplatCountForScenes(this.scenes):this.lastBuildSplatCount}static getTotalSplatCountForScenes(e){let t=0;for(let n of e)n&&n.splatBuffer&&(t+=n.splatBuffer.getSplatCount());return t}static getTotalSplatCountForSplatBuffers(e){let t=0;for(let n of e)t+=n.getSplatCount();return t}getMaxSplatCount(){return an.getTotalMaxSplatCountForScenes(this.scenes)}static getTotalMaxSplatCountForScenes(e){let t=0;for(let n of e)n&&n.splatBuffer&&(t+=n.splatBuffer.getMaxSplatCount());return t}static getTotalMaxSplatCountForSplatBuffers(e){let t=0;for(let n of e)t+=n.getMaxSplatCount();return t}disposeDistancesComputationGPUResources(){if(!this.renderer)return;const e=this.renderer.getContext();this.distancesTransformFeedback.vao&&(e.deleteVertexArray(this.distancesTransformFeedback.vao),this.distancesTransformFeedback.vao=null),this.distancesTransformFeedback.program&&(e.deleteProgram(this.distancesTransformFeedback.program),e.deleteShader(this.distancesTransformFeedback.vertexShader),e.deleteShader(this.distancesTransformFeedback.fragmentShader),this.distancesTransformFeedback.program=null,this.distancesTransformFeedback.vertexShader=null,this.distancesTransformFeedback.fragmentShader=null),this.disposeDistancesComputationGPUBufferResources(),this.distancesTransformFeedback.id&&(e.deleteTransformFeedback(this.distancesTransformFeedback.id),this.distancesTransformFeedback.id=null)}disposeDistancesComputationGPUBufferResources(){if(!this.renderer)return;const e=this.renderer.getContext();this.distancesTransformFeedback.centersBuffer&&(this.distancesTransformFeedback.centersBuffer=null,e.deleteBuffer(this.distancesTransformFeedback.centersBuffer)),this.distancesTransformFeedback.outDistancesBuffer&&(e.deleteBuffer(this.distancesTransformFeedback.outDistancesBuffer),this.distancesTransformFeedback.outDistancesBuffer=null)}setRenderer(t){if(t!==this.renderer){this.renderer=t;const n=this.renderer.getContext(),s=new $t(n),r=new en(n,s,{});if(s.init(r),this.webGLUtils=new e.WebGLUtils(n,s,r),this.enableDistancesComputationOnGPU&&this.getSplatCount()>0){this.setupDistancesComputationTransformFeedback();const{centers:e,sceneIndexes:t}=this.getDataForDistancesComputation(0,this.getSplatCount()-1);this.refreshGPUBuffersForDistancesComputation(e,t)}}}setupDistancesComputationTransformFeedback=function(){let e;return function(){const t=this.getMaxSplatCount();if(!this.renderer)return;const n=this.lastRenderer!==this.renderer,s=e!==t;if(!n&&!s)return;n?this.disposeDistancesComputationGPUResources():s&&this.disposeDistancesComputationGPUBufferResources();const r=this.renderer.getContext(),i=(e,t,n)=>{const s=e.createShader(t);if(!s)return console.error("Fatal error: gl could not create a shader object."),null;e.shaderSource(s,n),e.compileShader(s);if(!e.getShaderParameter(s,e.COMPILE_STATUS)){let n="unknown";t===e.VERTEX_SHADER?n="vertex shader":t===e.FRAGMENT_SHADER&&(n="fragement shader");const r=e.getShaderInfoLog(s);return console.error("Failed to compile "+n+" with these errors:"+r),e.deleteShader(s),null}return s};let o;this.integerBasedDistancesComputation?(o="#version 300 es\n in ivec4 center;\n flat out int distance;",this.dynamicMode?o+=`\n in uint sceneIndex;\n uniform ivec4 transforms[${b.MaxScenes}];\n void main(void) {\n ivec4 transform = transforms[sceneIndex];\n distance = center.x * transform.x + center.y * transform.y + center.z * transform.z + transform.w * center.w;\n }\n `:o+="\n uniform ivec3 modelViewProj;\n void main(void) {\n distance = center.x * modelViewProj.x + center.y * modelViewProj.y + center.z * modelViewProj.z;\n }\n "):(o="#version 300 es\n in vec4 center;\n flat out float distance;",this.dynamicMode?o+=`\n in uint sceneIndex;\n uniform mat4 transforms[${b.MaxScenes}];\n void main(void) {\n vec4 transformedCenter = transforms[sceneIndex] * vec4(center.xyz, 1.0);\n distance = transformedCenter.z;\n }\n `:o+="\n uniform vec3 modelViewProj;\n void main(void) {\n distance = center.x * modelViewProj.x + center.y * modelViewProj.y + center.z * modelViewProj.z;\n }\n ");const a=r.getParameter(r.VERTEX_ARRAY_BINDING),l=r.getParameter(r.CURRENT_PROGRAM),c=!!l&&r.getProgramParameter(l,r.DELETE_STATUS);if(n&&(this.distancesTransformFeedback.vao=r.createVertexArray()),r.bindVertexArray(this.distancesTransformFeedback.vao),n){const e=r.createProgram(),t=i(r,r.VERTEX_SHADER,o),n=i(r,r.FRAGMENT_SHADER,"#version 300 es\n precision lowp float;\n out vec4 fragColor;\n void main(){}\n ");if(!t||!n)throw new Error("Could not compile shaders for distances computation on GPU.");r.attachShader(e,t),r.attachShader(e,n),r.transformFeedbackVaryings(e,["distance"],r.SEPARATE_ATTRIBS),r.linkProgram(e);if(!r.getProgramParameter(e,r.LINK_STATUS)){const s=r.getProgramInfoLog(e);throw console.error("Fatal error: Failed to link program: "+s),r.deleteProgram(e),r.deleteShader(n),r.deleteShader(t),new Error("Could not link shaders for distances computation on GPU.")}this.distancesTransformFeedback.program=e,this.distancesTransformFeedback.vertexShader=t,this.distancesTransformFeedback.vertexShader=n}if(r.useProgram(this.distancesTransformFeedback.program),this.distancesTransformFeedback.centersLoc=r.getAttribLocation(this.distancesTransformFeedback.program,"center"),this.dynamicMode){this.distancesTransformFeedback.sceneIndexesLoc=r.getAttribLocation(this.distancesTransformFeedback.program,"sceneIndex");for(let e=0;e<this.scenes.length;e++)this.distancesTransformFeedback.transformsLocs[e]=r.getUniformLocation(this.distancesTransformFeedback.program,`transforms[${e}]`)}else this.distancesTransformFeedback.modelViewProjLoc=r.getUniformLocation(this.distancesTransformFeedback.program,"modelViewProj");(n||s)&&(this.distancesTransformFeedback.centersBuffer=r.createBuffer(),r.bindBuffer(r.ARRAY_BUFFER,this.distancesTransformFeedback.centersBuffer),r.enableVertexAttribArray(this.distancesTransformFeedback.centersLoc),this.integerBasedDistancesComputation?r.vertexAttribIPointer(this.distancesTransformFeedback.centersLoc,4,r.INT,0,0):r.vertexAttribPointer(this.distancesTransformFeedback.centersLoc,4,r.FLOAT,!1,0,0),this.dynamicMode&&(this.distancesTransformFeedback.sceneIndexesBuffer=r.createBuffer(),r.bindBuffer(r.ARRAY_BUFFER,this.distancesTransformFeedback.sceneIndexesBuffer),r.enableVertexAttribArray(this.distancesTransformFeedback.sceneIndexesLoc),r.vertexAttribIPointer(this.distancesTransformFeedback.sceneIndexesLoc,1,r.UNSIGNED_INT,0,0))),(n||s)&&(this.distancesTransformFeedback.outDistancesBuffer=r.createBuffer()),r.bindBuffer(r.ARRAY_BUFFER,this.distancesTransformFeedback.outDistancesBuffer),r.bufferData(r.ARRAY_BUFFER,4*t,r.STATIC_READ),n&&(this.distancesTransformFeedback.id=r.createTransformFeedback()),r.bindTransformFeedback(r.TRANSFORM_FEEDBACK,this.distancesTransformFeedback.id),r.bindBufferBase(r.TRANSFORM_FEEDBACK_BUFFER,0,this.distancesTransformFeedback.outDistancesBuffer),l&&!0!==c&&r.useProgram(l),a&&r.bindVertexArray(a),this.lastRenderer=this.renderer,e=t}}();updateGPUCentersBufferForDistancesComputation(e,t,n){if(!this.renderer)return;const s=this.renderer.getContext(),r=s.getParameter(s.VERTEX_ARRAY_BINDING);s.bindVertexArray(this.distancesTransformFeedback.vao);const i=this.integerBasedDistancesComputation?Uint32Array:Float32Array,o=16*n;if(s.bindBuffer(s.ARRAY_BUFFER,this.distancesTransformFeedback.centersBuffer),e)s.bufferSubData(s.ARRAY_BUFFER,o,t);else{const e=new i(16*this.getMaxSplatCount());e.set(t),s.bufferData(s.ARRAY_BUFFER,e,s.STATIC_DRAW)}s.bindBuffer(s.ARRAY_BUFFER,null),r&&s.bindVertexArray(r)}updateGPUTransformIndexesBufferForDistancesComputation(e,t,n){if(!this.renderer||!this.dynamicMode)return;const s=this.renderer.getContext(),r=s.getParameter(s.VERTEX_ARRAY_BINDING);s.bindVertexArray(this.distancesTransformFeedback.vao);const i=4*n;if(s.bindBuffer(s.ARRAY_BUFFER,this.distancesTransformFeedback.sceneIndexesBuffer),e)s.bufferSubData(s.ARRAY_BUFFER,i,t);else{const e=new Uint32Array(4*this.getMaxSplatCount());e.set(t),s.bufferData(s.ARRAY_BUFFER,e,s.STATIC_DRAW)}s.bindBuffer(s.ARRAY_BUFFER,null),r&&s.bindVertexArray(r)}getSceneIndexes(e,t){let n;n=new Uint32Array(t-e+1);for(let s=e;s<=t;s++)n[s]=this.globalSplatIndexToSceneIndexMap[s];return n}fillTransformsArray=function(){const e=[];return function(t){e.length!==t.length&&(e.length=t.length);for(let t=0;t<this.scenes.length;t++){const n=this.getScene(t).transform.elements;for(let s=0;s<16;s++)e[16*t+s]=n[s]}t.set(e)}}();computeDistancesOnGPU=function(){const t=new e.Matrix4;return function(e,n){if(!this.renderer)return;const s=this.renderer.getContext(),r=s.getParameter(s.VERTEX_ARRAY_BINDING),i=s.getParameter(s.CURRENT_PROGRAM),o=!!i&&s.getProgramParameter(i,s.DELETE_STATUS);if(s.bindVertexArray(this.distancesTransformFeedback.vao),s.useProgram(this.distancesTransformFeedback.program),s.enable(s.RASTERIZER_DISCARD),this.dynamicMode)for(let n=0;n<this.scenes.length;n++)if(t.copy(this.getScene(n).transform),t.premultiply(e),this.integerBasedDistancesComputation){const e=an.getIntegerMatrixArray(t),r=[e[2],e[6],e[10],e[14]];s.uniform4i(this.distancesTransformFeedback.transformsLocs[n],r[0],r[1],r[2],r[3])}else s.uniformMatrix4fv(this.distancesTransformFeedback.transformsLocs[n],!1,t.elements);else if(this.integerBasedDistancesComputation){const t=an.getIntegerMatrixArray(e),n=[t[2],t[6],t[10]];s.uniform3i(this.distancesTransformFeedback.modelViewProjLoc,n[0],n[1],n[2])}else{const t=[e.elements[2],e.elements[6],e.elements[10]];s.uniform3f(this.distancesTransformFeedback.modelViewProjLoc,t[0],t[1],t[2])}s.bindBuffer(s.ARRAY_BUFFER,this.distancesTransformFeedback.centersBuffer),s.enableVertexAttribArray(this.distancesTransformFeedback.centersLoc),this.integerBasedDistancesComputation?s.vertexAttribIPointer(this.distancesTransformFeedback.centersLoc,4,s.INT,0,0):s.vertexAttribPointer(this.distancesTransformFeedback.centersLoc,4,s.FLOAT,!1,0,0),this.dynamicMode&&(s.bindBuffer(s.ARRAY_BUFFER,this.distancesTransformFeedback.sceneIndexesBuffer),s.enableVertexAttribArray(this.distancesTransformFeedback.sceneIndexesLoc),s.vertexAttribIPointer(this.distancesTransformFeedback.sceneIndexesLoc,1,s.UNSIGNED_INT,0,0)),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,this.distancesTransformFeedback.id),s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,0,this.distancesTransformFeedback.outDistancesBuffer),s.beginTransformFeedback(s.POINTS),s.drawArrays(s.POINTS,0,this.getSplatCount()),s.endTransformFeedback(),s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,0,null),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),s.disable(s.RASTERIZER_DISCARD);const a=s.fenceSync(s.SYNC_GPU_COMMANDS_COMPLETE,0);s.flush();const l=new Promise((e=>{const t=()=>{if(this.disposed)e();else{const r=0,i=0;switch(s.clientWaitSync(a,i,r)){case s.TIMEOUT_EXPIRED:return this.computeDistancesOnGPUSyncTimeout=setTimeout(t),this.computeDistancesOnGPUSyncTimeout;case s.WAIT_FAILED:throw new Error("should never get here");default:this.computeDistancesOnGPUSyncTimeout=null,s.deleteSync(a);const r=s.getParameter(s.VERTEX_ARRAY_BINDING);s.bindVertexArray(this.distancesTransformFeedback.vao),s.bindBuffer(s.ARRAY_BUFFER,this.distancesTransformFeedback.outDistancesBuffer),s.getBufferSubData(s.ARRAY_BUFFER,0,n),s.bindBuffer(s.ARRAY_BUFFER,null),r&&s.bindVertexArray(r),e()}}};this.computeDistancesOnGPUSyncTimeout=setTimeout(t)}));return i&&!0!==o&&s.useProgram(i),r&&s.bindVertexArray(r),l}}();getLocalSplatParameters(e,t,n){null==n&&(n=!this.dynamicMode),t.splatBuffer=this.getSplatBufferForSplat(e),t.localIndex=this.getSplatLocalIndex(e),t.sceneTransform=n?this.getSceneTransformForSplat(e):null}fillSplatDataArrays(t,n,s,r,i,o,a,l=0,c=0,h=1,d,p,u=0,m){const A=new e.Vector3;A.x=void 0,A.y=void 0,this.splatRenderMode===Vt.ThreeD?A.z=void 0:A.z=1;const f=new e.Matrix4;let g=0,S=this.scenes.length-1;null!=m&&m>=0&&m<=this.scenes.length&&(g=m,S=m);for(let e=g;e<=S;e++){null==a&&(a=!this.dynamicMode);const m=this.getScene(e),g=m.splatBuffer;let S;if(a&&(this.getSceneTransform(e,f),S=f),t&&g.fillSplatCovarianceArray(t,S,d,p,u,l),n||s){if(!n||!s)throw new Error('SplatMesh::fillSplatDataArrays() -> "scales" and "rotations" must both be valid.');g.fillSplatScaleRotationArray(n,s,S,d,p,u,c,A)}r&&g.fillSplatCenterArray(r,S,d,p,u),i&&g.fillSplatColorArray(i,m.minimumAlpha,d,p,u),o&&g.fillSphericalHarmonicsArray(o,this.minSphericalHarmonicsDegree,S,d,p,u,h),u+=g.getSplatCount()}}getIntegerCenters(e,t,n=!1){const s=t-e+1,r=new Float32Array(3*s);let i;this.fillSplatDataArrays(null,null,null,r,null,null,void 0,void 0,void 0,void 0,e);let o=n?4:3;i=new Int32Array(s*o);for(let e=0;e<s;e++){for(let t=0;t<3;t++)i[e*o+t]=Math.round(1e3*r[3*e+t]);n&&(i[e*o+3]=1e3)}return i}getFloatCenters(e,t,n=!1){const s=t-e+1,r=new Float32Array(3*s);if(this.fillSplatDataArrays(null,null,null,r,null,null,void 0,void 0,void 0,void 0,e),!n)return r;let i=new Float32Array(4*s);for(let e=0;e<s;e++){for(let t=0;t<3;t++)i[4*e+t]=r[3*e+t];i[4*e+3]=1}return i}getSplatCenter=function(){const e={};return function(t,n,s){this.getLocalSplatParameters(t,e,s),e.splatBuffer.getSplatCenter(e.localIndex,n,e.sceneTransform)}}();getSplatScaleAndRotation=function(){const t={},n=new e.Vector3;return function(e,s,r,i){this.getLocalSplatParameters(e,t,i),n.x=void 0,n.y=void 0,n.z=void 0,this.splatRenderMode===Vt.TwoD&&(n.z=0),t.splatBuffer.getSplatScaleAndRotation(t.localIndex,s,r,t.sceneTransform,n)}}();getSplatColor=function(){const e={};return function(t,n){this.getLocalSplatParameters(t,e),e.splatBuffer.getSplatColor(e.localIndex,n)}}();getSceneTransform(e,t){const n=this.getScene(e);n.updateTransform(this.dynamicMode),t.copy(n.transform)}getScene(e){if(e<0||e>=this.scenes.length)throw new Error("SplatMesh::getScene() -> Invalid scene index.");return this.scenes[e]}getSceneCount(){return this.scenes.length}getSplatBufferForSplat(e){return this.getScene(this.globalSplatIndexToSceneIndexMap[e]).splatBuffer}getSceneIndexForSplat(e){return this.globalSplatIndexToSceneIndexMap[e]}getSceneTransformForSplat(e){return this.getScene(this.globalSplatIndexToSceneIndexMap[e]).transform}getSplatLocalIndex(e){return this.globalSplatIndexToLocalSplatIndexMap[e]}static getIntegerMatrixArray(e){const t=e.elements,n=[];for(let e=0;e<16;e++)n[e]=Math.round(1e3*t[e]);return n}computeBoundingBox(t=!1,n){let s=this.getSplatCount();if(null!=n){if(n<0||n>=this.scenes.length)throw new Error("SplatMesh::computeBoundingBox() -> Invalid scene index.");s=this.scenes[n].splatBuffer.getSplatCount()}const r=new Float32Array(3*s);this.fillSplatDataArrays(null,null,null,r,null,null,t,void 0,void 0,void 0,void 0,n);const i=new e.Vector3,o=new e.Vector3;for(let e=0;e<s;e++){const t=3*e,n=r[t],s=r[t+1],a=r[t+2];(0===e||n<i.x)&&(i.x=n),(0===e||s<i.y)&&(i.y=s),(0===e||a<i.z)&&(i.z=a),(0===e||n>o.x)&&(o.x=n),(0===e||s>o.y)&&(o.y=s),(0===e||a>o.z)&&(o.z=a)}return new e.Box3(i,o)}}var 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cn(e){let t,n,s,r,i,o,a,l,c,h,d,p,u,m,A,f,g,S,C,y;e.onmessage=x=>{if(x.data.centers)centers=x.data.centers,sceneIndexes=x.data.sceneIndexes,r?new Int32Array(n,m+x.data.range.from*y.BytesPerInt*4,4*x.data.range.count).set(new Int32Array(centers)):new Float32Array(n,m+x.data.range.from*y.BytesPerFloat*4,4*x.data.range.count).set(new Float32Array(centers)),i&&new Uint32Array(n,c+4*x.data.range.from,x.data.range.count).set(new Uint32Array(sceneIndexes)),C=x.data.range.from+x.data.range.count;else if(x.data.sort){const v=Math.min(x.data.sort.splatRenderCount||0,C),I=Math.min(x.data.sort.splatSortCount||0,C),B=x.data.sort.usePrecomputedDistances;let w,b,T;s||(w=x.data.sort.indexesToSort,T=x.data.sort.transforms,B&&(b=x.data.sort.precomputedDistances)),function(C,x,v,I,B,w,b){const T=performance.now();if(!s&&(new Uint32Array(n,a,B.byteLength/y.BytesPerInt).set(B),new Float32Array(n,h,b.byteLength/y.BytesPerFloat).set(b),I)){let e;e=r?new Int32Array(n,d,w.byteLength/y.BytesPerInt):new Float32Array(n,d,w.byteLength/y.BytesPerFloat),e.set(w)}f||(f=new Uint32Array(S)),new Float32Array(n,A,16).set(v),new Uint32Array(n,u,S).set(f),t.exports.sortIndexes(a,m,d,p,u,A,l,c,h,S,C,x,o,I,r,i);const D={sortDone:!0,splatSortCount:C,splatRenderCount:x,sortTime:0};if(!s){const e=new Uint32Array(n,l,x);(!g||g.length<x)&&(g=new Uint32Array(x)),g.set(e),D.sortedIndexes=g}const E=performance.now();D.sortTime=E-T,e.postMessage(D)}(I,v,x.data.sort.modelViewProj,B,w,b,T)}else if(x.data.init){y=x.data.init.Constants,o=x.data.init.splatCount,s=x.data.init.useSharedMemory,r=x.data.init.integerBasedSort,i=x.data.init.dynamicMode,S=x.data.init.distanceMapRange,C=0;const f=r?4*y.BytesPerInt:4*y.BytesPerFloat,g=new Uint8Array(x.data.init.sorterWasmBytes),v=16*y.BytesPerFloat,I=o*y.BytesPerInt,B=o*f,w=v,b=r?o*y.BytesPerInt:o*y.BytesPerFloat,T=o*y.BytesPerInt,D=o*y.BytesPerInt,E=r?S*y.BytesPerInt*2:S*y.BytesPerFloat*2,M=i?o*y.BytesPerInt:0,F=i?y.MaxScenes*v:0,R=32*y.MemoryPageSize,P=I+B+w+b+T+E+D+M+F+R,H=Math.floor(P/y.MemoryPageSize)+1,k={module:{},env:{memory:new WebAssembly.Memory({initial:H,maximum:H,shared:!0})}};WebAssembly.compile(g).then((e=>WebAssembly.instantiate(e,k))).then((r=>{t=r,a=0,m=a+I,A=m+B,d=A+w,p=d+b,u=p+T,l=u+E,c=l+D,h=c+M,n=k.env.memory.buffer,s?e.postMessage({sortSetupPhase1Complete:!0,indexesToSortBuffer:n,indexesToSortOffset:a,sortedIndexesBuffer:n,sortedIndexesOffset:l,precomputedDistancesBuffer:n,precomputedDistancesOffset:d,transformsBuffer:n,transformsOffset:h}):e.postMessage({sortSetupPhase1Complete:!0})}))}}}const hn={None:0,VR:1,AR:2};class dn{static createButton(e,t={}){const n=document.createElement("button");function s(){n.style.display="",n.style.cursor="auto",n.style.left="calc(50% - 75px)",n.style.width="150px",n.onmouseenter=null,n.onmouseleave=null,n.onclick=null}function r(e){e.style.position="absolute",e.style.bottom="20px",e.style.padding="12px 6px",e.style.border="1px solid #fff",e.style.borderRadius="4px",e.style.background="rgba(0,0,0,0.1)",e.style.color="#fff",e.style.font="normal 13px sans-serif",e.style.textAlign="center",e.style.opacity="0.5",e.style.outline="none",e.style.zIndex="999"}if("xr"in navigator)return n.id="VRButton",n.style.display="none",r(n),navigator.xr.isSessionSupported("immersive-vr").then((function(r){r?function(){let s=null;async function r(t){t.addEventListener("end",i),await e.xr.setSession(t),n.textContent="EXIT VR",s=t}function i(){s.removeEventListener("end",i),n.textContent="ENTER VR",s=null}n.style.display="",n.style.cursor="pointer",n.style.left="calc(50% - 50px)",n.style.width="100px",n.textContent="ENTER VR";const o={...t,optionalFeatures:["local-floor","bounded-floor","layers",...t.optionalFeatures||[]]};n.onmouseenter=function(){n.style.opacity="1.0"},n.onmouseleave=function(){n.style.opacity="0.5"},n.onclick=function(){null===s?navigator.xr.requestSession("immersive-vr",o).then(r):(s.end(),void 0!==navigator.xr.offerSession&&navigator.xr.offerSession("immersive-vr",o).then(r).catch((e=>{console.warn(e)})))},void 0!==navigator.xr.offerSession&&navigator.xr.offerSession("immersive-vr",o).then(r).catch((e=>{console.warn(e)}))}():(s(),n.textContent="VR NOT SUPPORTED"),r&&dn.xrSessionIsGranted&&n.click()})).catch((function(e){s(),console.warn("Exception when trying to call xr.isSessionSupported",e),n.textContent="VR NOT ALLOWED"})),n;{const e=document.createElement("a");return!1===window.isSecureContext?(e.href=document.location.href.replace(/^http:/,"https:"),e.innerHTML="WEBXR NEEDS HTTPS"):(e.href="https://immersiveweb.dev/",e.innerHTML="WEBXR NOT AVAILABLE"),e.style.left="calc(50% - 90px)",e.style.width="180px",e.style.textDecoration="none",r(e),e}}static registerSessionGrantedListener(){if("undefined"!=typeof navigator&&"xr"in navigator){if(/WebXRViewer\//i.test(navigator.userAgent))return;navigator.xr.addEventListener("sessiongranted",(()=>{dn.xrSessionIsGranted=!0}))}}}dn.xrSessionIsGranted=!1,dn.registerSessionGrantedListener();class pn{static createButton(e,t={}){const n=document.createElement("button");function s(){n.style.display="",n.style.cursor="auto",n.style.left="calc(50% - 75px)",n.style.width="150px",n.onmouseenter=null,n.onmouseleave=null,n.onclick=null}function r(e){e.style.position="absolute",e.style.bottom="20px",e.style.padding="12px 6px",e.style.border="1px solid #fff",e.style.borderRadius="4px",e.style.background="rgba(0,0,0,0.1)",e.style.color="#fff",e.style.font="normal 13px sans-serif",e.style.textAlign="center",e.style.opacity="0.5",e.style.outline="none",e.style.zIndex="999"}if("xr"in navigator)return n.id="ARButton",n.style.display="none",r(n),navigator.xr.isSessionSupported("immersive-ar").then((function(r){r?function(){if(void 0===t.domOverlay){const e=document.createElement("div");e.style.display="none",document.body.appendChild(e);const n=document.createElementNS("http://www.w3.org/2000/svg","svg");n.setAttribute("width",38),n.setAttribute("height",38),n.style.position="absolute",n.style.right="20px",n.style.top="20px",n.addEventListener("click",(function(){s.end()})),e.appendChild(n);const r=document.createElementNS("http://www.w3.org/2000/svg","path");r.setAttribute("d","M 12,12 L 28,28 M 28,12 12,28"),r.setAttribute("stroke","#fff"),r.setAttribute("stroke-width",2),n.appendChild(r),void 0===t.optionalFeatures&&(t.optionalFeatures=[]),t.optionalFeatures.push("dom-overlay"),t.domOverlay={root:e}}let s=null;async function r(r){r.addEventListener("end",i),e.xr.setReferenceSpaceType("local"),await e.xr.setSession(r),n.textContent="STOP AR",t.domOverlay.root.style.display="",s=r}function i(){s.removeEventListener("end",i),n.textContent="START AR",t.domOverlay.root.style.display="none",s=null}n.style.display="",n.style.cursor="pointer",n.style.left="calc(50% - 50px)",n.style.width="100px",n.textContent="START AR",n.onmouseenter=function(){n.style.opacity="1.0"},n.onmouseleave=function(){n.style.opacity="0.5"},n.onclick=function(){null===s?navigator.xr.requestSession("immersive-ar",t).then(r):(s.end(),void 0!==navigator.xr.offerSession&&navigator.xr.offerSession("immersive-ar",t).then(r).catch((e=>{console.warn(e)})))},void 0!==navigator.xr.offerSession&&navigator.xr.offerSession("immersive-ar",t).then(r).catch((e=>{console.warn(e)}))}():(s(),n.textContent="AR NOT SUPPORTED")})).catch((function(e){s(),console.warn("Exception when trying to call xr.isSessionSupported",e),n.textContent="AR NOT ALLOWED"})),n;{const e=document.createElement("a");return!1===window.isSecureContext?(e.href=document.location.href.replace(/^http:/,"https:"),e.innerHTML="WEBXR NEEDS HTTPS"):(e.href="https://immersiveweb.dev/",e.innerHTML="WEBXR NOT AVAILABLE"),e.style.left="calc(50% - 90px)",e.style.width="180px",e.style.textDecoration="none",r(e),e}}}const un={Always:0,OnChange:1,Never:2};class mn{constructor(t={}){if(t.cameraUp||(t.cameraUp=[0,1,0]),this.cameraUp=(new e.Vector3).fromArray(t.cameraUp),t.initialCameraPosition||(t.initialCameraPosition=[0,10,15]),this.initialCameraPosition=(new e.Vector3).fromArray(t.initialCameraPosition),t.initialCameraLookAt||(t.initialCameraLookAt=[0,0,0]),this.initialCameraLookAt=(new e.Vector3).fromArray(t.initialCameraLookAt),this.dropInMode=t.dropInMode||!1,void 0!==t.selfDrivenMode&&null!==t.selfDrivenMode||(t.selfDrivenMode=!0),this.selfDrivenMode=t.selfDrivenMode&&!this.dropInMode,this.selfDrivenUpdateFunc=this.selfDrivenUpdate.bind(this),void 0===t.useBuiltInControls&&(t.useBuiltInControls=!0),this.useBuiltInControls=t.useBuiltInControls,this.rootElement=t.rootElement,this.ignoreDevicePixelRatio=t.ignoreDevicePixelRatio||!1,this.devicePixelRatio=this.ignoreDevicePixelRatio?1:window.devicePixelRatio,this.halfPrecisionCovariancesOnGPU=t.halfPrecisionCovariancesOnGPU||!1,this.threeScene=t.threeScene,this.renderer=t.renderer,this.camera=t.camera,this.gpuAcceleratedSort=t.gpuAcceleratedSort||!1,void 0!==t.integerBasedSort&&null!==t.integerBasedSort||(t.integerBasedSort=!0),this.integerBasedSort=t.integerBasedSort,void 0!==t.sharedMemoryForWorkers&&null!==t.sharedMemoryForWorkers||(t.sharedMemoryForWorkers=!0),this.sharedMemoryForWorkers=t.sharedMemoryForWorkers,this.dynamicScene=!!t.dynamicScene,this.antialiased=t.antialiased||!1,this.kernel2DSize=void 0===t.kernel2DSize?.3:t.kernel2DSize,this.webXRMode=t.webXRMode||hn.None,this.webXRMode!==hn.None&&(this.gpuAcceleratedSort=!1),this.webXRActive=!1,this.webXRSessionInit=t.webXRSessionInit||{},this.renderMode=t.renderMode||un.Always,this.sceneRevealMode=t.sceneRevealMode||tn.Default,this.focalAdjustment=t.focalAdjustment||1,this.maxScreenSpaceSplatSize=t.maxScreenSpaceSplatSize||1024,this.logLevel=t.logLevel||nn.None,this.sphericalHarmonicsDegree=t.sphericalHarmonicsDegree||0,this.enableOptionalEffects=t.enableOptionalEffects||!1,void 0!==t.enableSIMDInSort&&null!==t.enableSIMDInSort||(t.enableSIMDInSort=!0),this.enableSIMDInSort=t.enableSIMDInSort,void 0!==t.inMemoryCompressionLevel&&null!==t.inMemoryCompressionLevel||(t.inMemoryCompressionLevel=0),this.inMemoryCompressionLevel=t.inMemoryCompressionLevel,void 0!==t.optimizeSplatData&&null!==t.optimizeSplatData||(t.optimizeSplatData=!0),this.optimizeSplatData=t.optimizeSplatData,void 0!==t.freeIntermediateSplatData&&null!==t.freeIntermediateSplatData||(t.freeIntermediateSplatData=!1),this.freeIntermediateSplatData=t.freeIntermediateSplatData,I()){const e=B();e.major<17&&(this.enableSIMDInSort=!1),e.major<16&&(this.sharedMemoryForWorkers=!1)}void 0!==t.splatRenderMode&&null!==t.splatRenderMode||(t.splatRenderMode=Vt.ThreeD),this.splatRenderMode=t.splatRenderMode,this.sceneFadeInRateMultiplier=t.sceneFadeInRateMultiplier||1,this.splatSortDistanceMapPrecision=t.splatSortDistanceMapPrecision||b.DefaultSplatSortDistanceMapPrecision;const n=this.integerBasedSort?20:24;this.splatSortDistanceMapPrecision=A(this.splatSortDistanceMapPrecision,10,n),this.onSplatMeshChangedCallback=null,this.createSplatMesh(),this.controls=null,this.perspectiveControls=null,this.orthographicControls=null,this.orthographicCamera=null,this.perspectiveCamera=null,this.showMeshCursor=!1,this.showControlPlane=!1,this.showInfo=!1,this.sceneHelper=null,this.sortWorker=null,this.sortRunning=!1,this.splatRenderCount=0,this.splatSortCount=0,this.lastSplatSortCount=0,this.sortWorkerIndexesToSort=null,this.sortWorkerSortedIndexes=null,this.sortWorkerPrecomputedDistances=null,this.sortWorkerTransforms=null,this.preSortMessages=[],this.runAfterNextSort=[],this.selfDrivenModeRunning=!1,this.splatRenderReady=!1,this.raycaster=new Nt,this.infoPanel=null,this.startInOrthographicMode=!1,this.currentFPS=0,this.lastSortTime=0,this.consecutiveRenderFrames=0,this.previousCameraTarget=new e.Vector3,this.nextCameraTarget=new e.Vector3,this.mousePosition=new e.Vector2,this.mouseDownPosition=new e.Vector2,this.mouseDownTime=null,this.resizeObserver=null,this.mouseMoveListener=null,this.mouseDownListener=null,this.mouseUpListener=null,this.keyDownListener=null,this.sortPromise=null,this.sortPromiseResolver=null,this.splatSceneDownloadPromises={},this.splatSceneDownloadAndBuildPromise=null,this.splatSceneRemovalPromise=null,this.loadingSpinner=new Ft(null,this.rootElement||document.body),this.loadingSpinner.hide(),this.loadingProgressBar=new Rt(this.rootElement||document.body),this.loadingProgressBar.hide(),this.infoPanel=new Pt(this.rootElement||document.body),this.infoPanel.hide(),this.usingExternalCamera=!(!this.dropInMode&&!this.camera),this.usingExternalRenderer=!(!this.dropInMode&&!this.renderer),this.initialized=!1,this.disposing=!1,this.disposed=!1,this.disposePromise=null,this.dropInMode||this.init()}createSplatMesh(){this.splatMesh=new an(this.splatRenderMode,this.dynamicScene,this.enableOptionalEffects,this.halfPrecisionCovariancesOnGPU,this.devicePixelRatio,this.gpuAcceleratedSort,this.integerBasedSort,this.antialiased,this.maxScreenSpaceSplatSize,this.logLevel,this.sphericalHarmonicsDegree,this.sceneFadeInRateMultiplier,this.kernel2DSize),this.splatMesh.frustumCulled=!1,this.onSplatMeshChangedCallback&&this.onSplatMeshChangedCallback()}init(){this.initialized||(this.rootElement||(this.usingExternalRenderer?this.rootElement=this.renderer.domElement.parentElement||document.body:(this.rootElement=document.createElement("div"),this.rootElement.style.width="100%",this.rootElement.style.height="100%",this.rootElement.style.position="absolute",document.body.appendChild(this.rootElement))),this.setupCamera(),this.setupRenderer(),this.setupWebXR(this.webXRSessionInit),this.setupControls(),this.setupEventHandlers(),this.threeScene=this.threeScene||new e.Scene,this.sceneHelper=new Lt(this.threeScene),this.sceneHelper.setupMeshCursor(),this.sceneHelper.setupFocusMarker(),this.sceneHelper.setupControlPlane(),this.loadingProgressBar.setContainer(this.rootElement),this.loadingSpinner.setContainer(this.rootElement),this.infoPanel.setContainer(this.rootElement),this.initialized=!0)}setupCamera(){if(!this.usingExternalCamera){const t=new e.Vector2;this.getRenderDimensions(t),this.perspectiveCamera=new e.PerspectiveCamera(50,t.x/t.y,.1,1e3),this.orthographicCamera=new e.OrthographicCamera(t.x/-2,t.x/2,t.y/2,t.y/-2,.1,1e3),this.camera=this.startInOrthographicMode?this.orthographicCamera:this.perspectiveCamera,this.camera.position.copy(this.initialCameraPosition),this.camera.up.copy(this.cameraUp).normalize(),this.camera.lookAt(this.initialCameraLookAt)}}setupRenderer(){if(!this.usingExternalRenderer){const t=new e.Vector2;this.getRenderDimensions(t),this.renderer=new e.WebGLRenderer({antialias:!1,precision:"highp"}),this.renderer.setPixelRatio(this.devicePixelRatio),this.renderer.autoClear=!0,this.renderer.setClearColor(new e.Color(0),0),this.renderer.setSize(t.x,t.y),this.resizeObserver=new ResizeObserver((()=>{this.getRenderDimensions(t),this.renderer.setSize(t.x,t.y),this.forceRenderNextFrame()})),this.resizeObserver.observe(this.rootElement),this.rootElement.appendChild(this.renderer.domElement)}}setupWebXR(e){this.webXRMode&&(this.webXRMode===hn.VR?this.rootElement.appendChild(dn.createButton(this.renderer,e)):this.webXRMode===hn.AR&&this.rootElement.appendChild(pn.createButton(this.renderer,e)),this.renderer.xr.addEventListener("sessionstart",(e=>{this.webXRActive=!0})),this.renderer.xr.addEventListener("sessionend",(e=>{this.webXRActive=!1})),this.renderer.xr.enabled=!0,this.camera.position.copy(this.initialCameraPosition),this.camera.up.copy(this.cameraUp).normalize(),this.camera.lookAt(this.initialCameraLookAt))}setupControls(){if(this.useBuiltInControls&&this.webXRMode===hn.None){this.usingExternalCamera?this.camera.isOrthographicCamera?this.orthographicControls=new Mt(this.camera,this.renderer.domElement):this.perspectiveControls=new Mt(this.camera,this.renderer.domElement):(this.perspectiveControls=new Mt(this.perspectiveCamera,this.renderer.domElement),this.orthographicControls=new Mt(this.orthographicCamera,this.renderer.domElement));for(let e of[this.orthographicControls,this.perspectiveControls])e&&(e.listenToKeyEvents(window),e.rotateSpeed=.5,e.maxPolarAngle=.75*Math.PI,e.minPolarAngle=.1,e.enableDamping=!0,e.dampingFactor=.05,e.target.copy(this.initialCameraLookAt),e.update());this.controls=this.camera.isOrthographicCamera?this.orthographicControls:this.perspectiveControls,this.controls.update()}}setupEventHandlers(){this.useBuiltInControls&&this.webXRMode===hn.None&&(this.mouseMoveListener=this.onMouseMove.bind(this),this.renderer.domElement.addEventListener("pointermove",this.mouseMoveListener,!1),this.mouseDownListener=this.onMouseDown.bind(this),this.renderer.domElement.addEventListener("pointerdown",this.mouseDownListener,!1),this.mouseUpListener=this.onMouseUp.bind(this),this.renderer.domElement.addEventListener("pointerup",this.mouseUpListener,!1),this.keyDownListener=this.onKeyDown.bind(this),window.addEventListener("keydown",this.keyDownListener,!1))}removeEventHandlers(){this.useBuiltInControls&&(this.renderer.domElement.removeEventListener("pointermove",this.mouseMoveListener),this.mouseMoveListener=null,this.renderer.domElement.removeEventListener("pointerdown",this.mouseDownListener),this.mouseDownListener=null,this.renderer.domElement.removeEventListener("pointerup",this.mouseUpListener),this.mouseUpListener=null,window.removeEventListener("keydown",this.keyDownListener),this.keyDownListener=null)}setRenderMode(e){this.renderMode=e}setActiveSphericalHarmonicsDegrees(e){this.splatMesh.material.uniforms.sphericalHarmonicsDegree.value=e,this.splatMesh.material.uniformsNeedUpdate=!0}onSplatMeshChanged(e){this.onSplatMeshChangedCallback=e}onKeyDown=function(){const t=new e.Vector3,n=new e.Matrix4,s=new e.Matrix4;return function(e){switch(t.set(0,0,-1),t.transformDirection(this.camera.matrixWorld),n.makeRotationAxis(t,Math.PI/128),s.makeRotationAxis(t,-Math.PI/128),e.code){case"KeyG":this.focalAdjustment+=.02,this.forceRenderNextFrame();break;case"KeyF":this.focalAdjustment-=.02,this.forceRenderNextFrame();break;case"ArrowLeft":this.camera.up.transformDirection(n);break;case"ArrowRight":this.camera.up.transformDirection(s);break;case"KeyC":this.showMeshCursor=!this.showMeshCursor;break;case"KeyU":this.showControlPlane=!this.showControlPlane;break;case"KeyI":this.showInfo=!this.showInfo,this.showInfo?this.infoPanel.show():this.infoPanel.hide();break;case"KeyO":this.usingExternalCamera||this.setOrthographicMode(!this.camera.isOrthographicCamera);break;case"KeyP":this.usingExternalCamera||this.splatMesh.setPointCloudModeEnabled(!this.splatMesh.getPointCloudModeEnabled());break;case"Equal":this.usingExternalCamera||this.splatMesh.setSplatScale(this.splatMesh.getSplatScale()+.05);break;case"Minus":this.usingExternalCamera||this.splatMesh.setSplatScale(Math.max(this.splatMesh.getSplatScale()-.05,0))}}}();onMouseMove(e){this.mousePosition.set(e.offsetX,e.offsetY)}onMouseDown(){this.mouseDownPosition.copy(this.mousePosition),this.mouseDownTime=f()}onMouseUp=function(){const t=new e.Vector2;return function(e){t.copy(this.mousePosition).sub(this.mouseDownPosition);f()-this.mouseDownTime<.5&&t.length()<2&&this.onMouseClick(e)}}();onMouseClick(e){this.mousePosition.set(e.offsetX,e.offsetY),this.checkForFocalPointChange()}checkForFocalPointChange=function(){const t=new e.Vector2,n=new e.Vector3,s=[];return function(){if(!this.transitioningCameraTarget&&(this.getRenderDimensions(t),s.length=0,this.raycaster.setFromCameraAndScreenPosition(this.camera,this.mousePosition,t),this.raycaster.intersectSplatMesh(this.splatMesh,s),s.length>0)){const e=s[0].origin;n.copy(e).sub(this.camera.position),n.length()>.75&&(this.previousCameraTarget.copy(this.controls.target),this.nextCameraTarget.copy(e),this.transitioningCameraTarget=!0,this.transitioningCameraTargetStartTime=f())}}}();getRenderDimensions(e){this.rootElement?(e.x=this.rootElement.offsetWidth,e.y=this.rootElement.offsetHeight):this.renderer.getSize(e)}setOrthographicMode(e){if(e===this.camera.isOrthographicCamera)return;const t=this.camera,n=e?this.orthographicCamera:this.perspectiveCamera;if(n.position.copy(t.position),n.up.copy(t.up),n.rotation.copy(t.rotation),n.quaternion.copy(t.quaternion),n.matrix.copy(t.matrix),this.camera=n,this.controls){const s=e=>{e.saveState(),e.reset()},r=this.controls,i=e?this.orthographicControls:this.perspectiveControls;s(i),s(r),i.target.copy(r.target),e?mn.setCameraZoomFromPosition(n,t,r):mn.setCameraPositionFromZoom(n,t,i),this.controls=i,this.camera.lookAt(this.controls.target)}}static setCameraPositionFromZoom=function(){const t=new e.Vector3;return function(e,n,s){const r=1/(.001*n.zoom);t.copy(s.target).sub(e.position).normalize().multiplyScalar(r).negate(),e.position.copy(s.target).add(t)}}();static setCameraZoomFromPosition=function(){const t=new e.Vector3;return function(e,n,s){const r=t.copy(s.target).sub(n.position).length();e.zoom=1/(.001*r)}}();updateSplatMesh=function(){const t=new e.Vector2;return function(){if(!this.splatMesh)return;if(this.splatMesh.getSplatCount()>0){this.splatMesh.updateVisibleRegionFadeDistance(this.sceneRevealMode),this.splatMesh.updateTransforms(),this.getRenderDimensions(t);const e=.5*this.camera.projectionMatrix.elements[0]*this.devicePixelRatio*t.x,n=.5*this.camera.projectionMatrix.elements[5]*this.devicePixelRatio*t.y,s=this.camera.isOrthographicCamera?1/this.devicePixelRatio:1,r=this.focalAdjustment*s,i=1/r;this.adjustForWebXRStereo(t),this.splatMesh.updateUniforms(t,e*r,n*r,this.camera.isOrthographicCamera,this.camera.zoom||1,i)}}}();adjustForWebXRStereo(e){if(this.camera&&this.webXRActive){const t=this.renderer.xr.getCamera().projectionMatrix.elements[0],n=this.camera.projectionMatrix.elements[0];e.x*=n/t}}isLoadingOrUnloading(){return Object.keys(this.splatSceneDownloadPromises).length>0||null!==this.splatSceneDownloadAndBuildPromise||null!==this.splatSceneRemovalPromise}isDisposingOrDisposed(){return this.disposing||this.disposed}addSplatSceneDownloadPromise(e){this.splatSceneDownloadPromises[e.id]=e}removeSplatSceneDownloadPromise(e){delete this.splatSceneDownloadPromises[e.id]}setSplatSceneDownloadAndBuildPromise(e){this.splatSceneDownloadAndBuildPromise=e}clearSplatSceneDownloadAndBuildPromise(){this.splatSceneDownloadAndBuildPromise=null}addSplatScene(e,t={}){if(this.isLoadingOrUnloading())throw new Error("Cannot add splat scene while another load or unload is already in progress.");if(this.isDisposingOrDisposed())throw new Error("Cannot add splat scene after dispose() is called.");t.progressiveLoad&&this.splatMesh.scenes&&this.splatMesh.scenes.length>0&&(console.log('addSplatScene(): "progressiveLoad" option ignore because there are multiple splat scenes'),t.progressiveLoad=!1);const n=void 0!==t.format&&null!==t.format?t.format:vt(e),s=mn.isProgressivelyLoadable(n)&&t.progressiveLoad,r=void 0===t.showLoadingUI||null===t.showLoadingUI||t.showLoadingUI;let i=null;r&&(this.loadingSpinner.removeAllTasks(),i=this.loadingSpinner.addTask("Downloading..."));const o=(e,t,n)=>{if(r)if(n===at)if(100==e)this.loadingSpinner.setMessageForTask(i,"Download complete!");else if(s)this.loadingSpinner.setMessageForTask(i,"Downloading splats...");else{const e=t?`: ${t}`:"...";this.loadingSpinner.setMessageForTask(i,`Downloading${e}`)}else n===lt&&this.loadingSpinner.setMessageForTask(i,"Processing splats...")};let a=!1,l=0;const c=(e,t)=>{r&&((e&&s||t&&!s)&&(this.loadingSpinner.removeTask(i),t||a||this.loadingProgressBar.show()),s&&(t?(a=!0,this.loadingProgressBar.hide()):this.loadingProgressBar.setProgress(l)))};return(s?this.downloadAndBuildSingleSplatSceneProgressiveLoad.bind(this):this.downloadAndBuildSingleSplatSceneStandardLoad.bind(this))(e,n,t.splatAlphaRemovalThreshold,((e,n,i)=>{!s&&t.onProgress&&t.onProgress(0,"0%",lt);const o={rotation:t.rotation||t.orientation,position:t.position,scale:t.scale,splatAlphaRemovalThreshold:t.splatAlphaRemovalThreshold};return this.addSplatBuffers([e],[o],i,n&&r,r,s,s).then((()=>{!s&&t.onProgress&&t.onProgress(100,"100%",lt),c(n,i)}))}).bind(this),((e,n,s)=>{l=e,o(e,n,s),t.onProgress&&t.onProgress(e,n,s)}),(()=>{this.loadingProgressBar.hide(),this.loadingSpinner.removeAllTasks()}).bind(this))}downloadAndBuildSingleSplatSceneStandardLoad(e,t,n,s,r,i){const o=this.downloadSplatSceneToSplatBuffer(e,n,r,!1,void 0,t),a=x(o.abortHandler);return o.then((e=>(this.removeSplatSceneDownloadPromise(o),s(e,!0,!0).then((()=>{a.resolve(),this.clearSplatSceneDownloadAndBuildPromise()}))))).catch((t=>{i&&i(),this.clearSplatSceneDownloadAndBuildPromise(),this.removeSplatSceneDownloadPromise(o);const n=t instanceof p?t:new Error(`Viewer::addSplatScene -> Could not load file ${e}`);a.reject(n)})),this.addSplatSceneDownloadPromise(o),this.setSplatSceneDownloadAndBuildPromise(a.promise),a.promise}downloadAndBuildSingleSplatSceneProgressiveLoad(e,t,n,s,r,i){let o=0,a=!1;const l=[],c=()=>{if(l.length>0&&!a&&!this.isDisposingOrDisposed()){a=!0;const e=l.shift();s(e.splatBuffer,e.firstBuild,e.finalBuild).then((()=>{a=!1,e.firstBuild?d.resolve():e.finalBuild&&(u.resolve(),this.clearSplatSceneDownloadAndBuildPromise()),l.length>0&&S((()=>c()))}))}},h=this.downloadSplatSceneToSplatBuffer(e,n,r,!0,((e,t)=>{this.isDisposingOrDisposed()||(t||0===l.length||e.getSplatCount()>l[0].splatBuffer.getSplatCount())&&(l.push({splatBuffer:e,firstBuild:0===o,finalBuild:t}),o++,c())}),t),d=x(h.abortHandler),u=x();return this.addSplatSceneDownloadPromise(h),this.setSplatSceneDownloadAndBuildPromise(u.promise),h.then((()=>{this.removeSplatSceneDownloadPromise(h)})).catch((e=>{this.clearSplatSceneDownloadAndBuildPromise(),this.removeSplatSceneDownloadPromise(h);const t=e instanceof p?e:new Error("Viewer::addSplatScene -> Could not load one or more scenes");d.reject(t),i&&i(t)})),d.promise}addSplatScenes(e,t=!0,n=void 0){if(this.isLoadingOrUnloading())throw new Error("Cannot add splat scene while another load or unload is already in progress.");if(this.isDisposingOrDisposed())throw new Error("Cannot add splat scene after dispose() is called.");const s=e.length,r=[];let i;t&&(this.loadingSpinner.removeAllTasks(),i=this.loadingSpinner.addTask("Downloading..."));const o=(e,o,a,l)=>{r[e]=o;let c=0;for(let e=0;e<s;e++)c+=r[e]||0;c/=s,a=`${c.toFixed(2)}%`,t&&l===at&&this.loadingSpinner.setMessageForTask(i,100==c?"Download complete!":`Downloading: ${a}`),n&&n(c,a,l)},a=[],l=[];for(let t=0;t<e.length;t++){const n=e[t],s=void 0!==n.format&&null!==n.format?n.format:vt(n.path),r=this.downloadSplatSceneToSplatBuffer(n.path,n.splatAlphaRemovalThreshold,o.bind(this,t),!1,void 0,s);a.push(r),l.push(r.promise)}const c=new d(((s,r)=>{Promise.all(l).then((r=>{t&&this.loadingSpinner.removeTask(i),n&&n(0,"0%",lt),this.addSplatBuffers(r,e,!0,t,t,!1,!1).then((()=>{n&&n(100,"100%",lt),this.clearSplatSceneDownloadAndBuildPromise(),s()}))})).catch((e=>{t&&this.loadingSpinner.removeTask(i),this.clearSplatSceneDownloadAndBuildPromise();const n=e instanceof p?e:new Error("Viewer::addSplatScenes -> Could not load one or more splat scenes.");r(n)})).finally((()=>{this.removeSplatSceneDownloadPromise(c)}))}),(e=>{for(let t of a)t.abort(e)}));return this.addSplatSceneDownloadPromise(c),this.setSplatSceneDownloadAndBuildPromise(c),c}downloadSplatSceneToSplatBuffer(e,t=1,n=void 0,s=!1,r=void 0,i){const o=!s&&this.optimizeSplatData;try{if(i===xt.Splat)return Ct.loadFromURL(e,n,s,r,t,this.inMemoryCompressionLevel,o);if(i===xt.KSplat)return yt.loadFromURL(e,n,s,r);if(i===xt.Ply)return ft.loadFromURL(e,n,s,r,t,this.inMemoryCompressionLevel,o,this.sphericalHarmonicsDegree)}catch(e){throw e instanceof ht?new Error("File type or server does not support progressive loading."):e}throw new Error(`Viewer::downloadSplatSceneToSplatBuffer -> File format not supported: ${e}`)}static isProgressivelyLoadable(e){return e===xt.Splat||e===xt.KSplat||e===xt.Ply}addSplatBuffers=function(){return function(e,t=[],n=!0,s=!0,r=!0,i=!1,o=!1,a=!0){if(this.isDisposingOrDisposed())return Promise.resolve();let l=null;const c=()=>{null!==l&&(this.loadingSpinner.removeTask(l),l=null)};return this.splatRenderReady=!1,new Promise((h=>{s&&(l=this.loadingSpinner.addTask("Processing splats...")),S((()=>{if(this.isDisposingOrDisposed())h();else{const s=this.addSplatBuffersToMesh(e,t,n,r,i,a),l=this.splatMesh.getMaxSplatCount();this.sortWorker&&this.sortWorker.maxSplatCount!==l&&this.disposeSortWorker(),this.gpuAcceleratedSort||this.preSortMessages.push({centers:s.centers.buffer,sceneIndexes:s.sceneIndexes.buffer,range:{from:s.from,to:s.to,count:s.count}});(!this.sortWorker&&l>0?this.setupSortWorker(this.splatMesh):Promise.resolve()).then((()=>{this.isDisposingOrDisposed()||this.runSplatSort(!0,!0).then((e=>{this.sortWorker&&e?(o?this.splatRenderReady=!0:this.runAfterNextSort.push((()=>{this.splatRenderReady=!0})),this.runAfterNextSort.push((()=>{c(),h()}))):(this.splatRenderReady=!0,c(),h())}))}))}}),!0)}))}}();addSplatBuffersToMesh=function(){let e;return function(t,n,s=!0,r=!1,i=!1,o=!0){if(this.isDisposingOrDisposed())return;let a=[],l=[];i||(a=this.splatMesh.scenes.map((e=>e.splatBuffer))||[],l=this.splatMesh.sceneOptions?this.splatMesh.sceneOptions.map((e=>e)):[]),a.push(...t),l.push(...n),this.renderer&&this.splatMesh.setRenderer(this.renderer);const c=this.splatMesh.build(a,l,!0,s,(t=>{if(this.isDisposingOrDisposed())return;const n=this.splatMesh.getSplatCount();r&&n>=15e5&&(t||e||(this.loadingSpinner.setMinimized(!0,!0),e=this.loadingSpinner.addTask("Optimizing data structures...")))}),(t=>{this.isDisposingOrDisposed()||t&&e&&(this.loadingSpinner.removeTask(e),e=null)}),o);return s&&this.freeIntermediateSplatData&&this.splatMesh.freeIntermediateSplatData(),c}}();setupSortWorker(e){if(!this.isDisposingOrDisposed())return new Promise((t=>{const n=this.integerBasedSort?Int32Array:Float32Array,s=e.getSplatCount(),r=e.getMaxSplatCount();this.sortWorker=function(e,t,n,s,r,i=b.DefaultSplatSortDistanceMapPrecision){const o=new Worker(URL.createObjectURL(new 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while another load or unload is already in progress.");if(this.isDisposingOrDisposed())throw new Error("Cannot remove splat scene after dispose() is called.");let n;return this.splatSceneRemovalPromise=new Promise(((s,r)=>{let i;t&&(this.loadingSpinner.removeAllTasks(),this.loadingSpinner.show(),i=this.loadingSpinner.addTask("Removing splat scene..."));const o=()=>{t&&(this.loadingSpinner.hide(),this.loadingSpinner.removeTask(i))},a=e=>{o(),this.splatSceneRemovalPromise=null,e?r(e):s()},l=()=>!!this.isDisposingOrDisposed()&&(a(),!0);n=this.sortPromise||Promise.resolve(),n.then((()=>{if(l())return;const t=[],s=[],r=[];for(let n=0;n<this.splatMesh.scenes.length;n++){let i=!1;for(let t of e)if(t===n){i=!0;break}if(!i){const e=this.splatMesh.scenes[n];t.push(e.splatBuffer),s.push(this.splatMesh.sceneOptions[n]),r.push({position:e.position.clone(),quaternion:e.quaternion.clone(),scale:e.scale.clone()})}}this.disposeSortWorker(),this.splatMesh.dispose(),this.sceneRevealMode=tn.Instant,this.createSplatMesh(),this.addSplatBuffers(t,s,!0,!1,!0).then((()=>{l()||(o(),this.splatMesh.scenes.forEach(((e,t)=>{e.position.copy(r[t].position),e.quaternion.copy(r[t].quaternion),e.scale.copy(r[t].scale)})),this.splatMesh.updateTransforms(),this.splatRenderReady=!1,this.runSplatSort(!0).then((()=>{l()?this.splatRenderReady=!0:(n=this.sortPromise||Promise.resolve(),n.then((()=>{this.splatRenderReady=!0,a()})))})))})).catch((e=>{a(e)}))}))})),this.splatSceneRemovalPromise}start(){if(!this.selfDrivenMode)throw new Error("Cannot start viewer unless it is in self driven mode.");this.webXRMode?this.renderer.setAnimationLoop(this.selfDrivenUpdateFunc):this.requestFrameId=requestAnimationFrame(this.selfDrivenUpdateFunc),this.selfDrivenModeRunning=!0}stop(){this.selfDrivenMode&&this.selfDrivenModeRunning&&(this.webXRMode?this.renderer.setAnimationLoop(null):cancelAnimationFrame(this.requestFrameId),this.selfDrivenModeRunning=!1)}async dispose(){if(this.isDisposingOrDisposed())return this.disposePromise;let e=[],t=[];for(let n in this.splatSceneDownloadPromises)if(this.splatSceneDownloadPromises.hasOwnProperty(n)){const s=this.splatSceneDownloadPromises[n];t.push(s),e.push(s.promise)}return this.sortPromise&&e.push(this.sortPromise),this.disposing=!0,this.disposePromise=Promise.all(e).finally((()=>{this.stop(),this.orthographicControls&&(this.orthographicControls.dispose(),this.orthographicControls=null),this.perspectiveControls&&(this.perspectiveControls.dispose(),this.perspectiveControls=null),this.controls=null,this.splatMesh&&(this.splatMesh.dispose(),this.splatMesh=null),this.sceneHelper&&(this.sceneHelper.dispose(),this.sceneHelper=null),this.resizeObserver&&(this.resizeObserver.unobserve(this.rootElement),this.resizeObserver=null),this.disposeSortWorker(),this.removeEventHandlers(),this.loadingSpinner.removeAllTasks(),this.loadingSpinner.setContainer(null),this.loadingProgressBar.hide(),this.loadingProgressBar.setContainer(null),this.infoPanel.setContainer(null),this.camera=null,this.threeScene=null,this.splatRenderReady=!1,this.initialized=!1,this.renderer&&(this.usingExternalRenderer||(this.rootElement.removeChild(this.renderer.domElement),this.renderer.dispose()),this.renderer=null),this.usingExternalRenderer||document.body.removeChild(this.rootElement),this.sortWorkerSortedIndexes=null,this.sortWorkerIndexesToSort=null,this.sortWorkerPrecomputedDistances=null,this.sortWorkerTransforms=null,this.disposed=!0,this.disposing=!1,this.disposePromise=null})),t.forEach((e=>{e.abort("Scene disposed")})),this.disposePromise}selfDrivenUpdate(){this.selfDrivenMode&&!this.webXRMode&&(this.requestFrameId=requestAnimationFrame(this.selfDrivenUpdateFunc)),this.update(),this.shouldRender()?(this.render(),this.consecutiveRenderFrames++):this.consecutiveRenderFrames=0,this.renderNextFrame=!1}forceRenderNextFrame(){this.renderNextFrame=!0}shouldRender=function(){let t=0;const n=new e.Vector3,s=new e.Quaternion,r=1e-4;return function(){if(!this.initialized||!this.splatRenderReady||this.isDisposingOrDisposed())return!1;let e=!1,i=!1;if(this.camera){const e=this.camera.position,t=this.camera.quaternion;i=Math.abs(e.x-n.x)>r||Math.abs(e.y-n.y)>r||Math.abs(e.z-n.z)>r||Math.abs(t.x-s.x)>r||Math.abs(t.y-s.y)>r||Math.abs(t.z-s.z)>r||Math.abs(t.w-s.w)>r}return e=this.renderMode!==un.Never&&(0===t||this.splatMesh.visibleRegionChanging||i||this.renderMode===un.Always||!0===this.dynamicMode||this.renderNextFrame),this.camera&&(n.copy(this.camera.position),s.copy(this.camera.quaternion)),t++,e}}();render=function(){if(!this.initialized||!this.splatRenderReady||this.isDisposingOrDisposed())return;const e=this.renderer.autoClear;(e=>{for(let t of e.children)if(t.visible)return!0;return!1})(this.threeScene)&&(this.renderer.render(this.threeScene,this.camera),this.renderer.autoClear=!1),this.renderer.render(this.splatMesh,this.camera),this.renderer.autoClear=!1,this.sceneHelper.getFocusMarkerOpacity()>0&&this.renderer.render(this.sceneHelper.focusMarker,this.camera),this.showControlPlane&&this.renderer.render(this.sceneHelper.controlPlane,this.camera),this.renderer.autoClear=e};update(e,t){this.dropInMode&&this.updateForDropInMode(e,t),this.initialized&&this.splatRenderReady&&!this.isDisposingOrDisposed()&&(this.controls&&(this.controls.update(),this.camera.isOrthographicCamera&&!this.usingExternalCamera&&mn.setCameraPositionFromZoom(this.camera,this.camera,this.controls)),this.runSplatSort(),this.updateForRendererSizeChanges(),this.updateSplatMesh(),this.updateMeshCursor(),this.updateFPS(),this.timingSensitiveUpdates(),this.updateInfoPanel(),this.updateControlPlane())}updateForDropInMode(e,t){this.renderer=e,this.splatMesh&&this.splatMesh.setRenderer(this.renderer),this.camera=t,this.controls&&(this.controls.object=t),this.init()}updateFPS=function(){let e=f(),t=0;return function(){if(this.consecutiveRenderFrames>60){const n=f();n-e>=1?(this.currentFPS=t,t=0,e=n):t++}else this.currentFPS=null}}();updateForRendererSizeChanges=function(){const t=new e.Vector2,n=new e.Vector2;let s;return function(){this.usingExternalCamera||(this.renderer.getSize(n),void 0!==s&&s===this.camera.isOrthographicCamera&&n.x===t.x&&n.y===t.y||(this.camera.isOrthographicCamera?(this.camera.left=-n.x/2,this.camera.right=n.x/2,this.camera.top=n.y/2,this.camera.bottom=-n.y/2):this.camera.aspect=n.x/n.y,this.camera.updateProjectionMatrix(),t.copy(n),s=this.camera.isOrthographicCamera))}}();timingSensitiveUpdates=function(){let e;return function(){const t=f();e||(e=t);const n=t-e;this.updateCameraTransition(t),this.updateFocusMarker(n),e=t}}();updateCameraTransition=function(){let t=new e.Vector3,n=new e.Vector3,s=new e.Vector3;return function(e){if(this.transitioningCameraTarget){n.copy(this.previousCameraTarget).sub(this.camera.position).normalize(),s.copy(this.nextCameraTarget).sub(this.camera.position).normalize();const r=Math.acos(n.dot(s)),i=(r/(Math.PI/3)*.65+.3)/r*(e-this.transitioningCameraTargetStartTime);t.copy(this.previousCameraTarget).lerp(this.nextCameraTarget,i),this.camera.lookAt(t),this.controls.target.copy(t),i>=1&&(this.transitioningCameraTarget=!1)}}}();updateFocusMarker=function(){const t=new e.Vector2;let n=!1;return function(e){if(this.getRenderDimensions(t),this.transitioningCameraTarget){this.sceneHelper.setFocusMarkerVisibility(!0);const s=Math.max(this.sceneHelper.getFocusMarkerOpacity(),0);let r=Math.min(s+10*e,1);this.sceneHelper.setFocusMarkerOpacity(r),this.sceneHelper.updateFocusMarker(this.nextCameraTarget,this.camera,t),n=!0,this.forceRenderNextFrame()}else{let s;if(s=n?1:Math.min(this.sceneHelper.getFocusMarkerOpacity(),1),s>0){this.sceneHelper.updateFocusMarker(this.nextCameraTarget,this.camera,t);let n=Math.max(s-2.5*e,0);this.sceneHelper.setFocusMarkerOpacity(n),0===n&&this.sceneHelper.setFocusMarkerVisibility(!1)}s>0&&this.forceRenderNextFrame(),n=!1}}}();updateMeshCursor=function(){const t=[],n=new e.Vector2;return function(){this.showMeshCursor?(this.forceRenderNextFrame(),this.getRenderDimensions(n),t.length=0,this.raycaster.setFromCameraAndScreenPosition(this.camera,this.mousePosition,n),this.raycaster.intersectSplatMesh(this.splatMesh,t),t.length>0?(this.sceneHelper.setMeshCursorVisibility(!0),this.sceneHelper.positionAndOrientMeshCursor(t[0].origin,this.camera)):this.sceneHelper.setMeshCursorVisibility(!1)):(this.sceneHelper.getMeschCursorVisibility()&&this.forceRenderNextFrame(),this.sceneHelper.setMeshCursorVisibility(!1))}}();updateInfoPanel=function(){const t=new e.Vector2;return function(){if(!this.showInfo)return;const e=this.splatMesh.getSplatCount();this.getRenderDimensions(t);const n=this.controls?this.controls.target:null,s=this.showMeshCursor?this.sceneHelper.meshCursor.position:null,r=e>0?this.splatRenderCount/e*100:0;this.infoPanel.update(t,this.camera.position,n,this.camera.up,this.camera.isOrthographicCamera,s,this.currentFPS||"N/A",e,this.splatRenderCount,r,this.lastSortTime,this.focalAdjustment,this.splatMesh.getSplatScale(),this.splatMesh.getPointCloudModeEnabled())}}();updateControlPlane(){this.showControlPlane?(this.sceneHelper.setControlPlaneVisibility(!0),this.sceneHelper.positionAndOrientControlPlane(this.controls.target,this.camera.up)):this.sceneHelper.setControlPlaneVisibility(!1)}runSplatSort=function(){const t=new e.Matrix4,n=[],s=new e.Vector3(0,0,-1),r=new e.Vector3(0,0,-1),i=new e.Vector3,o=new e.Vector3,a=[],l=[{angleThreshold:.55,sortFractions:[.125,.33333,.75]},{angleThreshold:.65,sortFractions:[.33333,.66667]},{angleThreshold:.8,sortFractions:[.5]}];return function(e=!1,c=!1){if(!this.initialized)return Promise.resolve(!1);if(this.sortRunning)return Promise.resolve(!0);if(this.splatMesh.getSplatCount()<=0)return this.splatRenderCount=0,Promise.resolve(!1);let h=0,d=0,p=!1,u=!1;if(r.set(0,0,-1).applyQuaternion(this.camera.quaternion),h=r.dot(s),d=o.copy(this.camera.position).sub(i).length(),!(e||this.splatMesh.dynamicMode||0!==a.length||(h<=.99&&(p=!0),d>=1&&(u=!0),p||u)))return Promise.resolve(!1);this.sortRunning=!0;let{splatRenderCount:m,shouldSortAll:A}=this.gatherSceneNodesForSort();A=A||c,this.splatRenderCount=m,t.copy(this.camera.matrixWorld).invert();const f=this.perspectiveCamera||this.camera;t.premultiply(f.projectionMatrix),t.multiply(this.splatMesh.matrixWorld);let g=Promise.resolve(!0);return this.gpuAcceleratedSort&&(a.length<=1||a.length%2==0)&&(g=this.splatMesh.computeDistancesOnGPU(t,this.sortWorkerPrecomputedDistances)),g.then((()=>{if(0===a.length)if(this.splatMesh.dynamicMode||A)a.push(this.splatRenderCount);else{for(let e of l)if(h<e.angleThreshold){for(let t of e.sortFractions)a.push(Math.floor(this.splatRenderCount*t));break}a.push(this.splatRenderCount)}let e=Math.min(a.shift(),this.splatRenderCount);this.splatSortCount=e,n[0]=this.camera.position.x,n[1]=this.camera.position.y,n[2]=this.camera.position.z;const o={modelViewProj:t.elements,cameraPosition:n,splatRenderCount:this.splatRenderCount,splatSortCount:e,usePrecomputedDistances:this.gpuAcceleratedSort};return this.splatMesh.dynamicMode&&this.splatMesh.fillTransformsArray(this.sortWorkerTransforms),this.sharedMemoryForWorkers||(o.indexesToSort=this.sortWorkerIndexesToSort,o.transforms=this.sortWorkerTransforms,this.gpuAcceleratedSort&&(o.precomputedDistances=this.sortWorkerPrecomputedDistances)),this.sortPromise=new Promise((e=>{this.sortPromiseResolver=e})),this.preSortMessages.length>0&&(this.preSortMessages.forEach((e=>{this.sortWorker.postMessage(e)})),this.preSortMessages=[]),this.sortWorker.postMessage({sort:o}),0===a.length&&(i.copy(this.camera.position),s.copy(r)),!0})),g}}();gatherSceneNodesForSort=function(){const t=[];let n=null;const s=new e.Vector3,r=new e.Vector3,i=new e.Vector3,o=new e.Matrix4,a=new e.Matrix4,l=new e.Matrix4,c=new e.Vector3,h=new e.Vector3(0,0,-1),d=new e.Vector3,p=e=>d.copy(e.max).sub(e.min).length();return function(d=!1){this.getRenderDimensions(c);const u=c.y/2/Math.tan(this.camera.fov/2*e.MathUtils.DEG2RAD),m=Math.atan(c.x/2/u),A=Math.atan(c.y/2/u),f=Math.cos(m),g=Math.cos(A),S=this.splatMesh.getSplatTree();if(S){a.copy(this.camera.matrixWorld).invert(),a.multiply(this.splatMesh.matrixWorld);let e=0,n=0;for(let c=0;c<S.subTrees.length;c++){const u=S.subTrees[c];o.copy(a),this.splatMesh.dynamicMode&&(this.splatMesh.getSceneTransform(c,l),o.multiply(l));const m=u.nodesWithIndexes.length;for(let a=0;a<m;a++){const l=u.nodesWithIndexes[a];if(!l.data||!l.data.indexes||0===l.data.indexes.length)continue;i.copy(l.center).applyMatrix4(o);const c=i.length();i.normalize(),s.copy(i).setX(0).normalize(),r.copy(i).setY(0).normalize();const m=h.dot(r),A=h.dot(s),S=p(l);!d&&(m<f-.6||A<g-.6)&&c>S||(n+=l.data.indexes.length,t[e]=l,l.data.distanceToNode=c,e++)}}t.length=e,t.sort(((e,t)=>e.data.distanceToNode<t.data.distanceToNode?-1:1));let c=n*b.BytesPerInt;for(let n=0;n<e;n++){const e=t[n],s=e.data.indexes.length,r=s*b.BytesPerInt;new Uint32Array(this.sortWorkerIndexesToSort.buffer,c-r,s).set(e.data.indexes),c-=r}return{splatRenderCount:n,shouldSortAll:!1}}{const e=this.splatMesh.getSplatCount();if(!n||n.length!==e){n=new Uint32Array(e);for(let t=0;t<e;t++)n[t]=t}return this.sortWorkerIndexesToSort.set(n),{splatRenderCount:e,shouldSortAll:!0}}}}();getSplatMesh(){return this.splatMesh}getSplatScene(e){return this.splatMesh.getScene(e)}getSceneCount(){return this.splatMesh.getSceneCount()}isMobile(){return navigator.userAgent.includes("Mobi")}}class An extends e.Group{constructor(e={}){super(),e.selfDrivenMode=!1,e.useBuiltInControls=!1,e.rootElement=null,e.ignoreDevicePixelRatio=!1,e.dropInMode=!0,e.camera=void 0,e.renderer=void 0,this.viewer=new mn(e),this.splatMesh=null,this.updateSplatMesh(),this.callbackMesh=An.createCallbackMesh(),this.add(this.callbackMesh),this.callbackMesh.onBeforeRender=An.onBeforeRender.bind(this,this.viewer),this.viewer.onSplatMeshChanged((()=>{this.updateSplatMesh()}))}updateSplatMesh(){this.splatMesh!==this.viewer.splatMesh&&(this.splatMesh&&this.remove(this.splatMesh),this.splatMesh=this.viewer.splatMesh,this.add(this.viewer.splatMesh))}addSplatScene(e,t={}){return!1!==t.showLoadingUI&&(t.showLoadingUI=!0),this.viewer.addSplatScene(e,t)}addSplatScenes(e,t){return!1!==t&&(t=!0),this.viewer.addSplatScenes(e,t)}getSplatScene(e){return this.viewer.getSplatScene(e)}removeSplatScene(e,t=!0){return this.viewer.removeSplatScene(e,t)}removeSplatScenes(e,t=!0){return this.viewer.removeSplatScenes(e,t)}getSceneCount(){return this.viewer.getSceneCount()}setActiveSphericalHarmonicsDegrees(e){this.viewer.setActiveSphericalHarmonicsDegrees(e)}async dispose(){return await this.viewer.dispose()}static onBeforeRender(e,t,n,s){e.update(t,s)}static createCallbackMesh(){const t=new e.SphereGeometry(1,8,8),n=new e.MeshBasicMaterial;n.colorWrite=!1,n.depthWrite=!1;const s=new e.Mesh(t,n);return s.frustumCulled=!1,s}}export{d as AbortablePromise,An as DropInViewer,yt as KSplatLoader,It as LoaderUtils,nn as LogLevel,Mt as OrbitControls,W as PlayCanvasCompressedPlyParser,ft as PlyLoader,rt as PlyParser,un as RenderMode,xt as SceneFormat,tn as SceneRevealMode,U as SplatBuffer,ot as SplatBufferGenerator,Ct as SplatLoader,gt as SplatParser,it as SplatPartitioner,Vt as SplatRenderMode,mn as Viewer,hn as WebXRMode};
Raw
three.module.min.js
/**
* @license
* Copyright 2010-2023 Three.js Authors
* SPDX-License-Identifier: MIT
*/
const 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es",bn=1035,En=2e3,Tn=2001;class wn{addEventListener(t,e){void 0===this._listeners&&(this._listeners={});const n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)}hasEventListener(t,e){if(void 0===this._listeners)return!1;const n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)}removeEventListener(t,e){if(void 0===this._listeners)return;const n=this._listeners[t];if(void 0!==n){const t=n.indexOf(e);-1!==t&&n.splice(t,1)}}dispatchEvent(t){if(void 0===this._listeners)return;const e=this._listeners[t.type];if(void 0!==e){t.target=this;const n=e.slice(0);for(let e=0,i=n.length;e<i;e++)n[e].call(this,t);t.target=null}}}const 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Rn=1234567;const Cn=Math.PI/180,Ln=180/Math.PI;function Pn(){const t=4294967295*Math.random()|0,e=4294967295*Math.random()|0,n=4294967295*Math.random()|0,i=4294967295*Math.random()|0;return(An[255&t]+An[t>>8&255]+An[t>>16&255]+An[t>>24&255]+"-"+An[255&e]+An[e>>8&255]+"-"+An[e>>16&15|64]+An[e>>24&255]+"-"+An[63&n|128]+An[n>>8&255]+"-"+An[n>>16&255]+An[n>>24&255]+An[255&i]+An[i>>8&255]+An[i>>16&255]+An[i>>24&255]).toLowerCase()}function In(t,e,n){return Math.max(e,Math.min(n,t))}function Un(t,e){return(t%e+e)%e}function Nn(t,e,n){return(1-n)*t+n*e}function Dn(t){return 0==(t&t-1)&&0!==t}function On(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))}function Fn(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))}function zn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}function Bn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(4294967295*t);case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int32Array:return Math.round(2147483647*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}}const Hn={DEG2RAD:Cn,RAD2DEG:Ln,generateUUID:Pn,clamp:In,euclideanModulo:Un,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:Nn,damp:function(t,e,n,i){return Nn(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(Un(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(Rn=t);let e=Rn+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Cn},radToDeg:function(t){return t*Ln},isPowerOfTwo:Dn,ceilPowerOfTwo:On,floorPowerOfTwo:Fn,setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),f=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*f,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*f,o*c);break;case"ZYZ":t.set(l*f,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Bn,denormalize:zn};class kn{constructor(t=0,e=0){kn.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(In(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Vn{constructor(t,e,n,i,r,s,a,o,l){Vn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],f=i[0],m=i[3],g=i[6],v=i[1],_=i[4],y=i[7],x=i[2],M=i[5],S=i[8];return r[0]=s*f+a*v+o*x,r[3]=s*m+a*_+o*M,r[6]=s*g+a*y+o*S,r[1]=l*f+c*v+h*x,r[4]=l*m+c*_+h*M,r[7]=l*g+c*y+h*S,r[2]=u*f+d*v+p*x,r[5]=u*m+d*_+p*M,r[8]=u*g+d*y+p*S,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const f=1/p;return t[0]=h*f,t[1]=(i*l-c*n)*f,t[2]=(a*n-i*s)*f,t[3]=u*f,t[4]=(c*e-i*o)*f,t[5]=(i*r-a*e)*f,t[6]=d*f,t[7]=(n*o-l*e)*f,t[8]=(s*e-n*r)*f,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(Gn.makeScale(t,e)),this}rotate(t){return this.premultiply(Gn.makeRotation(-t)),this}translate(t,e){return this.premultiply(Gn.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Gn=new Vn;function Wn(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const Xn={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function jn(t,e){return new Xn[t](e)}function qn(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}const Yn={};function Zn(t){t in Yn||(Yn[t]=!0,console.warn(t))}function Jn(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Kn(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}const $n=(new Vn).fromArray([.8224621,.0331941,.0170827,.177538,.9668058,.0723974,-1e-7,1e-7,.9105199]),Qn=(new Vn).fromArray([1.2249401,-.0420569,-.0196376,-.2249404,1.0420571,-.0786361,1e-7,0,1.0982735]);const ti={[Be]:t=>t,[ze]:t=>t.convertSRGBToLinear(),[He]:function(t){return t.convertSRGBToLinear().applyMatrix3(Qn)}},ei={[Be]:t=>t,[ze]:t=>t.convertLinearToSRGB(),[He]:function(t){return t.applyMatrix3($n).convertLinearToSRGB()}},ni={enabled:!0,get legacyMode(){return console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),!this.enabled},set legacyMode(t){console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),this.enabled=!t},get workingColorSpace(){return Be},set workingColorSpace(t){console.warn("THREE.ColorManagement: .workingColorSpace is readonly.")},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=ti[e],r=ei[n];if(void 0===i||void 0===r)throw new Error(`Unsupported color space conversion, "${e}" to "${n}".`);return r(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this.workingColorSpace)}};let ii;class ri{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===ii&&(ii=qn("canvas")),ii.width=t.width,ii.height=t.height;const n=ii.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=ii}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=qn("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*Jn(r[t]/255);return n.putImageData(i,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Jn(e[t]/255)):e[t]=Jn(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let si=0;class ai{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:si++}),this.uuid=Pn(),this.data=t,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(oi(i[e].image)):t.push(oi(i[e]))}else t=oi(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function oi(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?ri.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let li=0;class ci extends wn{constructor(t=ci.DEFAULT_IMAGE,e=ci.DEFAULT_MAPPING,n=1001,i=1001,r=1006,s=1008,a=1023,o=1009,l=ci.DEFAULT_ANISOTROPY,c=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:li++}),this.uuid=Pn(),this.name="",this.source=new ai(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new kn(0,0),this.repeat=new kn(1,1),this.center=new kn(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Vn,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,"string"==typeof c?this.colorSpace=c:(Zn("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=c===Ie?ze:Fe),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==tt)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case at:t.x=t.x-Math.floor(t.x);break;case ot:t.x=t.x<0?0:1;break;case lt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case at:t.y=t.y-Math.floor(t.y);break;case ot:t.y=t.y<0?0:1;break;case lt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}get encoding(){return Zn("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===ze?Ie:Pe}set encoding(t){Zn("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=t===Ie?ze:Fe}}ci.DEFAULT_IMAGE=null,ci.DEFAULT_MAPPING=tt,ci.DEFAULT_ANISOTROPY=1;class hi{constructor(t=0,e=0,n=0,i=1){hi.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],f=o[2],m=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-f)<s&&Math.abs(p-m)<s){if(Math.abs(c+u)<a&&Math.abs(h+f)<a&&Math.abs(p+m)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,v=(g+1)/2,_=(c+u)/4,y=(h+f)/4,x=(p+m)/4;return t>o&&t>v?t<s?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=_/n,r=y/n):o>v?o<s?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=_/i,r=x/i):v<s?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=y/r,i=x/r),this.set(n,i,r,e),this}let v=Math.sqrt((m-p)*(m-p)+(h-f)*(h-f)+(u-c)*(u-c));return Math.abs(v)<.001&&(v=1),this.x=(m-p)/v,this.y=(h-f)/v,this.z=(u-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class ui extends wn{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new hi(0,0,t,e),this.scissorTest=!1,this.viewport=new hi(0,0,t,e);const i={width:t,height:e,depth:1};void 0!==n.encoding&&(Zn("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===Ie?ze:Fe),this.texture=new ci(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:ft,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(t,e,n=1){this.width===t&&this.height===e&&this.depth===n||(this.width=t,this.height=e,this.depth=n,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.texture.isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new ai(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class di extends ui{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0}}class pi extends ci{constructor(t=null,e=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=ct,this.minFilter=ct,this.wrapR=ot,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class fi extends di{constructor(t=1,e=1,n=1){super(t,e),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new pi(null,t,e,n),this.texture.isRenderTargetTexture=!0}}class mi extends ci{constructor(t=null,e=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=ct,this.minFilter=ct,this.wrapR=ot,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class gi extends di{constructor(t=1,e=1,n=1){super(t,e),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new mi(null,t,e,n),this.texture.isRenderTargetTexture=!0}}class vi extends di{constructor(t=1,e=1,n=1,i={}){super(t,e,i),this.isWebGLMultipleRenderTargets=!0;const r=this.texture;this.texture=[];for(let t=0;t<n;t++)this.texture[t]=r.clone(),this.texture[t].isRenderTargetTexture=!0}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,r=this.texture.length;i<r;i++)this.texture[i].image.width=t,this.texture[i].image.height=e,this.texture[i].image.depth=n;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}copy(t){this.dispose(),this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.texture.length=0;for(let e=0,n=t.texture.length;e<n;e++)this.texture[e]=t.texture[e].clone(),this.texture[e].isRenderTargetTexture=!0;return this}}class _i{constructor(t=0,e=0,n=0,i=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=i}static slerpFlat(t,e,n,i,r,s,a){let o=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3];const u=r[s+0],d=r[s+1],p=r[s+2],f=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=f);if(h!==f||o!==u||l!==d||c!==p){let t=1-a;const e=o*u+l*d+c*p+h*f,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+f*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!1!==e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(In(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=Math.random(),e=Math.sqrt(1-t),n=Math.sqrt(t),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(e*Math.cos(i),n*Math.sin(r),n*Math.cos(r),e*Math.sin(i))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class yi{constructor(t=0,e=0,n=0){yi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Mi.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Mi.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=o*e+s*i-a*n,c=o*n+a*e-r*i,h=o*i+r*n-s*e,u=-r*e-s*n-a*i;return this.x=l*o+u*-r+c*-a-h*-s,this.y=c*o+u*-s+h*-r-l*-a,this.z=h*o+u*-a+l*-s-c*-r,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return xi.copy(this).projectOnVector(t),this.sub(xi)}reflect(t){return this.sub(xi.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(In(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=2*(Math.random()-.5),e=Math.random()*Math.PI*2,n=Math.sqrt(1-t**2);return this.x=n*Math.cos(e),this.y=n*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const xi=new yi,Mi=new _i;class Si{constructor(t=new yi(1/0,1/0,1/0),e=new yi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e+=3)this.expandByPoint(Ei.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(Ei.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=Ei.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){if(t.updateWorldMatrix(!1,!1),void 0!==t.boundingBox)null===t.boundingBox&&t.computeBoundingBox(),Ti.copy(t.boundingBox),Ti.applyMatrix4(t.matrixWorld),this.union(Ti);else{const n=t.geometry;if(void 0!==n)if(e&&void 0!==n.attributes&&void 0!==n.attributes.position){const e=n.attributes.position;for(let n=0,i=e.count;n<i;n++)Ei.fromBufferAttribute(e,n).applyMatrix4(t.matrixWorld),this.expandByPoint(Ei)}else null===n.boundingBox&&n.computeBoundingBox(),Ti.copy(n.boundingBox),Ti.applyMatrix4(t.matrixWorld),this.union(Ti)}const n=t.children;for(let t=0,i=n.length;t<i;t++)this.expandByObject(n[t],e);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Ei),Ei.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Ii),Ui.subVectors(this.max,Ii),wi.subVectors(t.a,Ii),Ai.subVectors(t.b,Ii),Ri.subVectors(t.c,Ii),Ci.subVectors(Ai,wi),Li.subVectors(Ri,Ai),Pi.subVectors(wi,Ri);let e=[0,-Ci.z,Ci.y,0,-Li.z,Li.y,0,-Pi.z,Pi.y,Ci.z,0,-Ci.x,Li.z,0,-Li.x,Pi.z,0,-Pi.x,-Ci.y,Ci.x,0,-Li.y,Li.x,0,-Pi.y,Pi.x,0];return!!Oi(e,wi,Ai,Ri,Ui)&&(e=[1,0,0,0,1,0,0,0,1],!!Oi(e,wi,Ai,Ri,Ui)&&(Ni.crossVectors(Ci,Li),e=[Ni.x,Ni.y,Ni.z],Oi(e,wi,Ai,Ri,Ui)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Ei).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Ei).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(bi[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),bi[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),bi[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),bi[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),bi[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),bi[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),bi[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),bi[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(bi)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const bi=[new yi,new yi,new yi,new yi,new yi,new yi,new yi,new yi],Ei=new yi,Ti=new Si,wi=new yi,Ai=new yi,Ri=new yi,Ci=new yi,Li=new yi,Pi=new yi,Ii=new yi,Ui=new yi,Ni=new yi,Di=new yi;function Oi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){Di.fromArray(t,s);const a=r.x*Math.abs(Di.x)+r.y*Math.abs(Di.y)+r.z*Math.abs(Di.z),o=e.dot(Di),l=n.dot(Di),c=i.dot(Di);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Fi=new Si,zi=new yi,Bi=new yi;class Hi{constructor(t=new yi,e=-1){this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Fi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;zi.subVectors(t,this.center);const e=zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Bi.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(zi.copy(t.center).add(Bi)),this.expandByPoint(zi.copy(t.center).sub(Bi))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const ki=new yi,Vi=new yi,Gi=new yi,Wi=new yi,Xi=new yi,ji=new yi,qi=new yi;class Yi{constructor(t=new yi,e=new yi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ki)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ki.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ki.copy(this.origin).addScaledVector(this.direction,e),ki.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Vi.copy(t).add(e).multiplyScalar(.5),Gi.copy(e).sub(t).normalize(),Wi.copy(this.origin).sub(Vi);const r=.5*t.distanceTo(e),s=-this.direction.dot(Gi),a=Wi.dot(this.direction),o=-Wi.dot(Gi),l=Wi.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Vi).addScaledVector(Gi,u),d}intersectSphere(t,e){ki.subVectors(t.center,this.origin);const n=ki.dot(this.direction),i=ki.dot(ki)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s<i||isNaN(i))&&(i=s),h>=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,ki)}intersectTriangle(t,e,n,i,r){Xi.subVectors(e,t),ji.subVectors(n,t),qi.crossVectors(Xi,ji);let s,a=this.direction.dot(qi);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}Wi.subVectors(this.origin,t);const o=s*this.direction.dot(ji.crossVectors(Wi,ji));if(o<0)return null;const l=s*this.direction.dot(Xi.cross(Wi));if(l<0)return null;if(o+l>a)return null;const c=-s*Wi.dot(qi);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Zi{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,f,m){Zi.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,f,m)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,f,m){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=f,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Zi).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/Ji.setFromMatrixColumn(t,0).length(),r=1/Ji.setFromMatrixColumn(t,1).length(),s=1/Ji.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose($i,t,Qi)}lookAt(t,e,n){const i=this.elements;return nr.subVectors(t,e),0===nr.lengthSq()&&(nr.z=1),nr.normalize(),tr.crossVectors(n,nr),0===tr.lengthSq()&&(1===Math.abs(n.z)?nr.x+=1e-4:nr.z+=1e-4,nr.normalize(),tr.crossVectors(n,nr)),tr.normalize(),er.crossVectors(nr,tr),i[0]=tr.x,i[4]=er.x,i[8]=nr.x,i[1]=tr.y,i[5]=er.y,i[9]=nr.y,i[2]=tr.z,i[6]=er.z,i[10]=nr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],f=n[6],m=n[10],g=n[14],v=n[3],_=n[7],y=n[11],x=n[15],M=i[0],S=i[4],b=i[8],E=i[12],T=i[1],w=i[5],A=i[9],R=i[13],C=i[2],L=i[6],P=i[10],I=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*w+o*L+l*N,r[8]=s*b+a*A+o*P+l*D,r[12]=s*E+a*R+o*I+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*w+u*L+d*N,r[9]=c*b+h*A+u*P+d*D,r[13]=c*E+h*R+u*I+d*O,r[2]=p*M+f*T+m*C+g*U,r[6]=p*S+f*w+m*L+g*N,r[10]=p*b+f*A+m*P+g*D,r[14]=p*E+f*R+m*I+g*O,r[3]=v*M+_*T+y*C+x*U,r[7]=v*S+_*w+y*L+x*N,r[11]=v*b+_*A+y*P+x*D,r[15]=v*E+_*R+y*I+x*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],f=t[13],m=t[14],g=t[15],v=h*m*l-f*u*l+f*o*d-a*m*d-h*o*g+a*u*g,_=p*u*l-c*m*l-p*o*d+s*m*d+c*o*g-s*u*g,y=c*f*l-p*h*l+p*a*d-s*f*d-c*a*g+s*h*g,x=p*h*o-c*f*o-p*a*u+s*f*u+c*a*m-s*h*m,M=e*v+n*_+i*y+r*x;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(f*u*r-h*m*r-f*i*d+n*m*d+h*i*g-n*u*g)*S,t[2]=(a*m*r-f*o*r+f*i*l-n*m*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*m*r-p*u*r+p*i*d-e*m*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*m*r-p*i*l+e*m*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=y*S,t[9]=(p*h*r-c*f*r-p*n*d+e*f*d+c*n*g-e*h*g)*S,t[10]=(s*f*r-p*a*r+p*n*l-e*f*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=x*S,t[13]=(c*f*i-p*h*i+p*n*u-e*f*u-c*n*m+e*h*m)*S,t[14]=(p*a*i-s*f*i-p*n*o+e*f*o+s*n*m-e*a*m)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,f=s*c,m=s*h,g=a*h,v=o*l,_=o*c,y=o*h,x=n.x,M=n.y,S=n.z;return i[0]=(1-(f+g))*x,i[1]=(d+y)*x,i[2]=(p-_)*x,i[3]=0,i[4]=(d-y)*M,i[5]=(1-(u+g))*M,i[6]=(m+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(m-v)*S,i[10]=(1-(u+f))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=Ji.set(i[0],i[1],i[2]).length();const s=Ji.set(i[4],i[5],i[6]).length(),a=Ji.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],Ki.copy(this);const o=1/r,l=1/s,c=1/a;return Ki.elements[0]*=o,Ki.elements[1]*=o,Ki.elements[2]*=o,Ki.elements[4]*=l,Ki.elements[5]*=l,Ki.elements[6]*=l,Ki.elements[8]*=c,Ki.elements[9]*=c,Ki.elements[10]*=c,e.setFromRotationMatrix(Ki),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===En)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==Tn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,f;if(a===En)p=(s+r)*h,f=-2*h;else{if(a!==Tn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,f=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=f,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const Ji=new yi,Ki=new Zi,$i=new yi(0,0,0),Qi=new yi(1,1,1),tr=new yi,er=new yi,nr=new yi,ir=new Zi,rr=new _i;class sr{constructor(t=0,e=0,n=0,i=sr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(In(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-In(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(In(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-In(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(In(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-In(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return ir.makeRotationFromQuaternion(t),this.setFromRotationMatrix(ir,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return rr.setFromEuler(this),this.setFromQuaternion(rr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}sr.DEFAULT_ORDER="XYZ";class ar{constructor(){this.mask=1}set(t){this.mask=(1<<t|0)>>>0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return 0!=(this.mask&t.mask)}isEnabled(t){return 0!=(this.mask&(1<<t|0))}}let or=0;const lr=new yi,cr=new _i,hr=new Zi,ur=new yi,dr=new yi,pr=new yi,fr=new _i,mr=new yi(1,0,0),gr=new yi(0,1,0),vr=new yi(0,0,1),_r={type:"added"},yr={type:"removed"};class xr extends wn{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:or++}),this.uuid=Pn(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=xr.DEFAULT_UP.clone();const t=new yi,e=new sr,n=new _i,i=new yi(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Zi},normalMatrix:{value:new Vn}}),this.matrix=new Zi,this.matrixWorld=new Zi,this.matrixAutoUpdate=xr.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=xr.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.layers=new ar,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return cr.setFromAxisAngle(t,e),this.quaternion.multiply(cr),this}rotateOnWorldAxis(t,e){return cr.setFromAxisAngle(t,e),this.quaternion.premultiply(cr),this}rotateX(t){return this.rotateOnAxis(mr,t)}rotateY(t){return this.rotateOnAxis(gr,t)}rotateZ(t){return this.rotateOnAxis(vr,t)}translateOnAxis(t,e){return lr.copy(t).applyQuaternion(this.quaternion),this.position.add(lr.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(mr,t)}translateY(t){return this.translateOnAxis(gr,t)}translateZ(t){return this.translateOnAxis(vr,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(hr.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?ur.copy(t):ur.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),dr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?hr.lookAt(dr,ur,this.up):hr.lookAt(ur,dr,this.up),this.quaternion.setFromRotationMatrix(hr),i&&(hr.extractRotation(i.matrixWorld),cr.setFromRotationMatrix(hr),this.quaternion.premultiply(cr.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(_r)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(yr)),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){for(let t=0;t<this.children.length;t++){const e=this.children[t];e.parent=null,e.dispatchEvent(yr)}return this.children.length=0,this}attach(t){return this.updateWorldMatrix(!0,!1),hr.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),hr.multiply(t.parent.matrixWorld)),t.applyMatrix4(hr),this.add(t),t.updateWorldMatrix(!1,!0),this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}}getObjectsByProperty(t,e){let n=[];this[t]===e&&n.push(this);for(let i=0,r=this.children.length;i<r;i++){const r=this.children[i].getObjectsByProperty(t,e);r.length>0&&(n=n.concat(r))}return n}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(dr,t,pr),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(dr,fr,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let n=0,i=e.length;n<i;n++){const i=e[n];!0!==i.matrixWorldAutoUpdate&&!0!==t||i.updateMatrixWorld(t)}}updateWorldMatrix(t,e){const n=this.parent;if(!0===t&&null!==n&&!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,n=t.length;e<n;e++){const n=t[e];!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e<i;e++){const i=n[e];r(t.shapes,i)}else r(t.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let n=0,i=this.material.length;n<i;n++)e.push(r(t.materials,this.material[n]));i.material=e}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(let e=0;e<this.children.length;e++)i.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let e=0;e<this.animations.length;e++){const n=this.animations[e];i.animations.push(r(t.animations,n))}}if(e){const e=s(t.geometries),i=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),c=s(t.animations),h=s(t.nodes);e.length>0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const n=t.children[e];this.add(n.clone())}return this}}xr.DEFAULT_UP=new yi(0,1,0),xr.DEFAULT_MATRIX_AUTO_UPDATE=!0,xr.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const Mr=new yi,Sr=new yi,br=new yi,Er=new yi,Tr=new yi,wr=new yi,Ar=new yi,Rr=new yi,Cr=new yi,Lr=new yi;let Pr=!1;class Ir{constructor(t=new yi,e=new yi,n=new yi){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),Mr.subVectors(t,e),i.cross(Mr);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Mr.subVectors(i,e),Sr.subVectors(n,e),br.subVectors(t,e);const s=Mr.dot(Mr),a=Mr.dot(Sr),o=Mr.dot(br),l=Sr.dot(Sr),c=Sr.dot(br),h=s*l-a*a;if(0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,Er),Er.x>=0&&Er.y>=0&&Er.x+Er.y<=1}static getUV(t,e,n,i,r,s,a,o){return!1===Pr&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),Pr=!0),this.getInterpolation(t,e,n,i,r,s,a,o)}static getInterpolation(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,Er),o.setScalar(0),o.addScaledVector(r,Er.x),o.addScaledVector(s,Er.y),o.addScaledVector(a,Er.z),o}static isFrontFacing(t,e,n,i){return Mr.subVectors(n,e),Sr.subVectors(t,e),Mr.cross(Sr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Mr.subVectors(this.c,this.b),Sr.subVectors(this.a,this.b),.5*Mr.cross(Sr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Ir.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Ir.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return!1===Pr&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),Pr=!0),Ir.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}getInterpolation(t,e,n,i,r){return Ir.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Ir.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Ir.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Tr.subVectors(i,n),wr.subVectors(r,n),Rr.subVectors(t,n);const o=Tr.dot(Rr),l=wr.dot(Rr);if(o<=0&&l<=0)return e.copy(n);Cr.subVectors(t,i);const c=Tr.dot(Cr),h=wr.dot(Cr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Tr,s);Lr.subVectors(t,r);const d=Tr.dot(Lr),p=wr.dot(Lr);if(p>=0&&d<=p)return e.copy(r);const f=d*l-o*p;if(f<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(wr,a);const m=c*p-d*h;if(m<=0&&h-c>=0&&d-p>=0)return Ar.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(Ar,a);const g=1/(m+f+u);return s=f*g,a=u*g,e.copy(n).addScaledVector(Tr,s).addScaledVector(wr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let Ur=0;class Nr extends wn{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Ur++}),this.uuid=Pn(),this.name="",this.type="Material",this.blending=1,this.side=u,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=M,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Ve,this.stencilZFail=Ve,this.stencilZPass=Ve,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=this.alphaHash),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.forceSinglePass&&(n.forceSinglePass=this.forceSinglePass),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}const Dr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Or={h:0,s:0,l:0},Fr={h:0,s:0,l:0};function zr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Br{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=ze){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,ni.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=ni.workingColorSpace){return this.r=t,this.g=e,this.b=n,ni.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=ni.workingColorSpace){if(t=Un(t,1),e=In(e,0,1),n=In(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=zr(r,i,t+1/3),this.g=zr(r,i,t),this.b=zr(r,i,t-1/3)}return ni.toWorkingColorSpace(this,i),this}setStyle(t,e=ze){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=ze){const n=Dr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Jn(t.r),this.g=Jn(t.g),this.b=Jn(t.b),this}copyLinearToSRGB(t){return this.r=Kn(t.r),this.g=Kn(t.g),this.b=Kn(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=ze){return ni.fromWorkingColorSpace(Hr.copy(this),t),65536*Math.round(In(255*Hr.r,0,255))+256*Math.round(In(255*Hr.g,0,255))+Math.round(In(255*Hr.b,0,255))}getHexString(t=ze){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=ni.workingColorSpace){ni.fromWorkingColorSpace(Hr.copy(this),e);const n=Hr.r,i=Hr.g,r=Hr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i<r?6:0);break;case i:o=(r-n)/t+2;break;case r:o=(n-i)/t+4}o/=6}return t.h=o,t.s=l,t.l=c,t}getRGB(t,e=ni.workingColorSpace){return ni.fromWorkingColorSpace(Hr.copy(this),e),t.r=Hr.r,t.g=Hr.g,t.b=Hr.b,t}getStyle(t=ze){ni.fromWorkingColorSpace(Hr.copy(this),t);const e=Hr.r,n=Hr.g,i=Hr.b;return t!==ze?`color(${t} ${e.toFixed(3)} ${n.toFixed(3)} ${i.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*n)},${Math.round(255*i)})`}offsetHSL(t,e,n){return this.getHSL(Or),Or.h+=t,Or.s+=e,Or.l+=n,this.setHSL(Or.h,Or.s,Or.l),this}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(Or),t.getHSL(Fr);const n=Nn(Or.h,Fr.h,e),i=Nn(Or.s,Fr.s,e),r=Nn(Or.l,Fr.l,e);return this.setHSL(n,i,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,n=this.g,i=this.b,r=t.elements;return this.r=r[0]*e+r[3]*n+r[6]*i,this.g=r[1]*e+r[4]*n+r[7]*i,this.b=r[2]*e+r[5]*n+r[8]*i,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Hr=new Br;Br.NAMES=Dr;class kr extends Nr{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Br(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=X,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Vr=Gr();function Gr(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function Wr(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=In(t,-65504,65504),Vr.floatView[0]=t;const e=Vr.uint32View[0],n=e>>23&511;return Vr.baseTable[n]+((8388607&e)>>Vr.shiftTable[n])}function Xr(t){const e=t>>10;return Vr.uint32View[0]=Vr.mantissaTable[Vr.offsetTable[e]+(1023&t)]+Vr.exponentTable[e],Vr.floatView[0]}const jr={toHalfFloat:Wr,fromHalfFloat:Xr},qr=new yi,Yr=new kn;class Zr{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=dn,this.updateRange={offset:0,count:-1},this.gpuType=Tt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[n+i];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,n=this.count;e<n;e++)Yr.fromBufferAttribute(this,e),Yr.applyMatrix3(t),this.setXY(e,Yr.x,Yr.y);else if(3===this.itemSize)for(let e=0,n=this.count;e<n;e++)qr.fromBufferAttribute(this,e),qr.applyMatrix3(t),this.setXYZ(e,qr.x,qr.y,qr.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)qr.fromBufferAttribute(this,e),qr.applyMatrix4(t),this.setXYZ(e,qr.x,qr.y,qr.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)qr.fromBufferAttribute(this,e),qr.applyNormalMatrix(t),this.setXYZ(e,qr.x,qr.y,qr.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)qr.fromBufferAttribute(this,e),qr.transformDirection(t),this.setXYZ(e,qr.x,qr.y,qr.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let n=this.array[t*this.itemSize+e];return this.normalized&&(n=zn(n,this.array)),n}setComponent(t,e,n){return this.normalized&&(n=Bn(n,this.array)),this.array[t*this.itemSize+e]=n,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=zn(e,this.array)),e}setX(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=zn(e,this.array)),e}setY(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=zn(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=zn(e,this.array)),e}setW(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array)),this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array),i=Bn(i,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array),i=Bn(i,this.array),r=Bn(r,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==dn&&(t.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(t.updateRange=this.updateRange),t}}class Jr extends Zr{constructor(t,e,n){super(new Int8Array(t),e,n)}}class Kr extends Zr{constructor(t,e,n){super(new Uint8Array(t),e,n)}}class $r extends Zr{constructor(t,e,n){super(new Uint8ClampedArray(t),e,n)}}class Qr extends Zr{constructor(t,e,n){super(new Int16Array(t),e,n)}}class ts extends Zr{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class es extends Zr{constructor(t,e,n){super(new Int32Array(t),e,n)}}class ns extends Zr{constructor(t,e,n){super(new Uint32Array(t),e,n)}}class is extends Zr{constructor(t,e,n){super(new Uint16Array(t),e,n),this.isFloat16BufferAttribute=!0}getX(t){let e=Xr(this.array[t*this.itemSize]);return this.normalized&&(e=zn(e,this.array)),e}setX(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize]=Wr(e),this}getY(t){let e=Xr(this.array[t*this.itemSize+1]);return this.normalized&&(e=zn(e,this.array)),e}setY(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize+1]=Wr(e),this}getZ(t){let e=Xr(this.array[t*this.itemSize+2]);return this.normalized&&(e=zn(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize+2]=Wr(e),this}getW(t){let e=Xr(this.array[t*this.itemSize+3]);return this.normalized&&(e=zn(e,this.array)),e}setW(t,e){return this.normalized&&(e=Bn(e,this.array)),this.array[t*this.itemSize+3]=Wr(e),this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array)),this.array[t+0]=Wr(e),this.array[t+1]=Wr(n),this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array),i=Bn(i,this.array)),this.array[t+0]=Wr(e),this.array[t+1]=Wr(n),this.array[t+2]=Wr(i),this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array),i=Bn(i,this.array),r=Bn(r,this.array)),this.array[t+0]=Wr(e),this.array[t+1]=Wr(n),this.array[t+2]=Wr(i),this.array[t+3]=Wr(r),this}}class rs extends Zr{constructor(t,e,n){super(new Float32Array(t),e,n)}}class ss extends Zr{constructor(t,e,n){super(new Float64Array(t),e,n)}}let as=0;const os=new Zi,ls=new xr,cs=new yi,hs=new Si,us=new Si,ds=new yi;class ps extends wn{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:as++}),this.uuid=Pn(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(Wn(t)?ns:ts)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new Vn).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return os.makeRotationFromQuaternion(t),this.applyMatrix4(os),this}rotateX(t){return os.makeRotationX(t),this.applyMatrix4(os),this}rotateY(t){return os.makeRotationY(t),this.applyMatrix4(os),this}rotateZ(t){return os.makeRotationZ(t),this.applyMatrix4(os),this}translate(t,e,n){return os.makeTranslation(t,e,n),this.applyMatrix4(os),this}scale(t,e,n){return os.makeScale(t,e,n),this.applyMatrix4(os),this}lookAt(t){return ls.lookAt(t),ls.updateMatrix(),this.applyMatrix4(ls.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(cs).negate(),this.translate(cs.x,cs.y,cs.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new rs(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Si);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new yi(-1/0,-1/0,-1/0),new yi(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];hs.setFromBufferAttribute(n),this.morphTargetsRelative?(ds.addVectors(this.boundingBox.min,hs.min),this.boundingBox.expandByPoint(ds),ds.addVectors(this.boundingBox.max,hs.max),this.boundingBox.expandByPoint(ds)):(this.boundingBox.expandByPoint(hs.min),this.boundingBox.expandByPoint(hs.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Hi);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new yi,1/0);if(t){const n=this.boundingSphere.center;if(hs.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];us.setFromBufferAttribute(n),this.morphTargetsRelative?(ds.addVectors(hs.min,us.min),hs.expandByPoint(ds),ds.addVectors(hs.max,us.max),hs.expandByPoint(ds)):(hs.expandByPoint(us.min),hs.expandByPoint(us.max))}hs.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)ds.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(ds));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)ds.fromBufferAttribute(s,e),a&&(cs.fromBufferAttribute(t,e),ds.add(cs)),i=Math.max(i,n.distanceToSquared(ds))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=t.array,i=e.position.array,r=e.normal.array,s=e.uv.array,a=i.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new Zr(new Float32Array(4*a),4));const o=this.getAttribute("tangent").array,l=[],c=[];for(let t=0;t<a;t++)l[t]=new yi,c[t]=new yi;const h=new yi,u=new yi,d=new yi,p=new kn,f=new kn,m=new kn,g=new yi,v=new yi;function _(t,e,n){h.fromArray(i,3*t),u.fromArray(i,3*e),d.fromArray(i,3*n),p.fromArray(s,2*t),f.fromArray(s,2*e),m.fromArray(s,2*n),u.sub(h),d.sub(h),f.sub(p),m.sub(p);const r=1/(f.x*m.y-m.x*f.y);isFinite(r)&&(g.copy(u).multiplyScalar(m.y).addScaledVector(d,-f.y).multiplyScalar(r),v.copy(d).multiplyScalar(f.x).addScaledVector(u,-m.x).multiplyScalar(r),l[t].add(g),l[e].add(g),l[n].add(g),c[t].add(v),c[e].add(v),c[n].add(v))}let y=this.groups;0===y.length&&(y=[{start:0,count:n.length}]);for(let t=0,e=y.length;t<e;++t){const e=y[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)_(n[t+0],n[t+1],n[t+2])}const x=new yi,M=new yi,S=new yi,b=new yi;function E(t){S.fromArray(r,3*t),b.copy(S);const e=l[t];x.copy(e),x.sub(S.multiplyScalar(S.dot(e))).normalize(),M.crossVectors(b,e);const n=M.dot(c[t])<0?-1:1;o[4*t]=x.x,o[4*t+1]=x.y,o[4*t+2]=x.z,o[4*t+3]=n}for(let t=0,e=y.length;t<e;++t){const e=y[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)E(n[t+0]),E(n[t+1]),E(n[t+2])}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new Zr(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const i=new yi,r=new yi,s=new yi,a=new yi,o=new yi,l=new yi,c=new yi,h=new yi;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),f=t.getX(u+2);i.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),s.fromBufferAttribute(e,f),c.subVectors(s,r),h.subVectors(i,r),c.cross(h),a.fromBufferAttribute(n,d),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,f),a.add(c),o.add(c),l.add(c),n.setXYZ(d,a.x,a.y,a.z),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(f,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),c.subVectors(s,r),h.subVectors(i,r),c.cross(h),n.setXYZ(t+0,c.x,c.y,c.z),n.setXYZ(t+1,c.x,c.y,c.z),n.setXYZ(t+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)ds.fromBufferAttribute(t,e),ds.normalize(),t.setXYZ(e,ds.x,ds.y,ds.z)}toNonIndexed(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,s=new n.constructor(e.length*i);let a=0,o=0;for(let r=0,l=e.length;r<l;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*i;for(let t=0;t<i;t++)s[o++]=n[a++]}return new Zr(s,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new ps,n=this.index.array,i=this.attributes;for(const r in i){const s=t(i[r],n);e.setAttribute(r,s)}const r=this.morphAttributes;for(const i in r){const s=[],a=r[i];for(let e=0,i=a.length;e<i;e++){const i=t(a[e],n);s.push(i)}e.morphAttributes[i]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,n=s.length;t<n;t++){const n=s[t];e.addGroup(n.start,n.count,n.materialIndex)}return e}toJSON(){const t={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e<i;e++){const i=n[e];s.push(i.toJSON(t.data))}s.length>0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const fs=new Zi,ms=new Yi,gs=new Hi,vs=new yi,_s=new yi,ys=new yi,xs=new yi,Ms=new yi,Ss=new yi,bs=new kn,Es=new kn,Ts=new kn,ws=new yi,As=new yi,Rs=new yi,Cs=new yi,Ls=new yi;class Ps extends xr{constructor(t=new ps,e=new kr){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const n=this.geometry,i=n.attributes.position,r=n.morphAttributes.position,s=n.morphTargetsRelative;e.fromBufferAttribute(i,t);const a=this.morphTargetInfluences;if(r&&a){Ss.set(0,0,0);for(let n=0,i=r.length;n<i;n++){const i=a[n],o=r[n];0!==i&&(Ms.fromBufferAttribute(o,t),s?Ss.addScaledVector(Ms,i):Ss.addScaledVector(Ms.sub(e),i))}e.add(Ss)}return e}raycast(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0!==i){if(null===n.boundingSphere&&n.computeBoundingSphere(),gs.copy(n.boundingSphere),gs.applyMatrix4(r),ms.copy(t.ray).recast(t.near),!1===gs.containsPoint(ms.origin)){if(null===ms.intersectSphere(gs,vs))return;if(ms.origin.distanceToSquared(vs)>(t.far-t.near)**2)return}fs.copy(r).invert(),ms.copy(t.ray).applyMatrix4(fs),null!==n.boundingBox&&!1===ms.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,ms)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=s[o.materialIndex];for(let r=Math.max(o.start,d.start),s=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<s;r+=3){i=Is(this,p,t,n,l,c,h,a.getX(r),a.getX(r+1),a.getX(r+2)),i&&(i.faceIndex=Math.floor(r/3),i.face.materialIndex=o.materialIndex,e.push(i))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){i=Is(this,s,t,n,l,c,h,a.getX(r),a.getX(r+1),a.getX(r+2)),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}else if(void 0!==o)if(Array.isArray(s))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=s[a.materialIndex];for(let r=Math.max(a.start,d.start),s=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<s;r+=3){i=Is(this,p,t,n,l,c,h,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),i.face.materialIndex=a.materialIndex,e.push(i))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){i=Is(this,s,t,n,l,c,h,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}}}function Is(t,e,n,i,r,s,a,o,l,c){t.getVertexPosition(o,_s),t.getVertexPosition(l,ys),t.getVertexPosition(c,xs);const h=function(t,e,n,i,r,s,a,o){let l;if(l=e.side===d?i.intersectTriangle(a,s,r,!0,o):i.intersectTriangle(r,s,a,e.side===u,o),null===l)return null;Ls.copy(o),Ls.applyMatrix4(t.matrixWorld);const c=n.ray.origin.distanceTo(Ls);return c<n.near||c>n.far?null:{distance:c,point:Ls.clone(),object:t}}(t,e,n,i,_s,ys,xs,Cs);if(h){r&&(bs.fromBufferAttribute(r,o),Es.fromBufferAttribute(r,l),Ts.fromBufferAttribute(r,c),h.uv=Ir.getInterpolation(Cs,_s,ys,xs,bs,Es,Ts,new kn)),s&&(bs.fromBufferAttribute(s,o),Es.fromBufferAttribute(s,l),Ts.fromBufferAttribute(s,c),h.uv1=Ir.getInterpolation(Cs,_s,ys,xs,bs,Es,Ts,new kn),h.uv2=h.uv1),a&&(ws.fromBufferAttribute(a,o),As.fromBufferAttribute(a,l),Rs.fromBufferAttribute(a,c),h.normal=Ir.getInterpolation(Cs,_s,ys,xs,ws,As,Rs,new yi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new yi,materialIndex:0};Ir.getNormal(_s,ys,xs,t.normal),h.face=t}return h}class Us extends ps{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,f,m,g,v){const _=s/m,y=p/g,x=s/2,M=p/2,S=f/2,b=m+1,E=g+1;let T=0,w=0;const A=new yi;for(let s=0;s<E;s++){const a=s*y-M;for(let o=0;o<b;o++){const u=o*_-x;A[t]=u*i,A[e]=a*r,A[n]=S,l.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=f>0?1:-1,c.push(A.x,A.y,A.z),h.push(o/m),h.push(1-s/g),T+=1}}for(let t=0;t<g;t++)for(let e=0;e<m;e++){const n=u+e+b*t,i=u+e+b*(t+1),r=u+(e+1)+b*(t+1),s=u+(e+1)+b*t;o.push(n,i,s),o.push(i,r,s),w+=6}a.addGroup(d,w,v),d+=w,u+=T}p("z","y","x",-1,-1,n,e,t,s,r,0),p("z","y","x",1,-1,n,e,-t,s,r,1),p("x","z","y",1,1,t,n,e,i,s,2),p("x","z","y",1,-1,t,n,-e,i,s,3),p("x","y","z",1,-1,t,e,n,i,r,4),p("x","y","z",-1,-1,t,e,-n,i,r,5),this.setIndex(o),this.setAttribute("position",new rs(l,3)),this.setAttribute("normal",new rs(c,3)),this.setAttribute("uv",new rs(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Us(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function Ns(t){const e={};for(const n in t){e[n]={};for(const i in t[n]){const r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[n][i]=null):e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}}return e}function Ds(t){const e={};for(let n=0;n<t.length;n++){const i=Ns(t[n]);for(const t in i)e[t]=i[t]}return e}function Os(t){return null===t.getRenderTarget()?t.outputColorSpace:Be}const Fs={clone:Ns,merge:Ds};class zs extends Nr{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Ns(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let n=0;n<t.length;n++)e.push(t[n].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Bs extends xr{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Zi,this.projectionMatrix=new Zi,this.projectionMatrixInverse=new Zi,this.coordinateSystem=En}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}class Hs extends Bs{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Ln*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Cn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Ln*Math.atan(Math.tan(.5*Cn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Cn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ks=-90;class Vs extends xr{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null;const i=new Hs(ks,1,t,e);i.layers=this.layers,this.add(i);const r=new Hs(ks,1,t,e);r.layers=this.layers,this.add(r);const s=new Hs(ks,1,t,e);s.layers=this.layers,this.add(s);const a=new Hs(ks,1,t,e);a.layers=this.layers,this.add(a);const o=new Hs(ks,1,t,e);o.layers=this.layers,this.add(o);const l=new Hs(ks,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===En)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Tn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[i,r,s,a,o,l]=this.children,c=t.getRenderTarget(),h=t.xr.enabled;t.xr.enabled=!1;const u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,s),t.setRenderTarget(n,3),t.render(e,a),t.setRenderTarget(n,4),t.render(e,o),n.texture.generateMipmaps=u,t.setRenderTarget(n,5),t.render(e,l),t.setRenderTarget(c),t.xr.enabled=h,n.texture.needsPMREMUpdate=!0}}class Gs extends ci{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:et,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class Ws extends di{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];void 0!==e.encoding&&(Zn("THREE.WebGLCubeRenderTarget: option.encoding has been replaced by option.colorSpace."),e.colorSpace=e.encoding===Ie?ze:Fe),this.texture=new Gs(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:ft}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Us(5,5,5),r=new zs({name:"CubemapFromEquirect",uniforms:Ns(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Ps(i,r),a=e.minFilter;e.minFilter===vt&&(e.minFilter=ft);return new Vs(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const Xs=new yi,js=new yi,qs=new Vn;class Ys{constructor(t=new yi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=Xs.subVectors(n,e).cross(js.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(Xs),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||qs.getNormalMatrix(t),i=this.coplanarPoint(Xs).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const Zs=new Hi,Js=new yi;class Ks{constructor(t=new Ys,e=new Ys,n=new Ys,i=new Ys,r=new Ys,s=new Ys){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],f=i[10],m=i[11],g=i[12],v=i[13],_=i[14],y=i[15];if(n[0].setComponents(o-r,u-l,m-d,y-g).normalize(),n[1].setComponents(o+r,u+l,m+d,y+g).normalize(),n[2].setComponents(o+s,u+c,m+p,y+v).normalize(),n[3].setComponents(o-s,u-c,m-p,y-v).normalize(),n[4].setComponents(o-a,u-h,m-f,y-_).normalize(),e===En)n[5].setComponents(o+a,u+h,m+f,y+_).normalize();else{if(e!==Tn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,f,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),Zs.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),Zs.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(Zs)}intersectsSprite(t){return Zs.center.set(0,0,0),Zs.radius=.7071067811865476,Zs.applyMatrix4(t.matrixWorld),this.intersectsSphere(Zs)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)<i)return!1}return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(Js.x=i.normal.x>0?t.max.x:t.min.x,Js.y=i.normal.y>0?t.max.y:t.min.y,Js.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(Js)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function $s(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function Qs(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const s=i.get(e);void 0===s?i.set(e,function(e,i){const r=e.array,s=e.usage,a=t.createBuffer();let o;if(t.bindBuffer(i,a),t.bufferData(i,r,s),e.onUploadCallback(),r instanceof Float32Array)o=t.FLOAT;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=t.HALF_FLOAT}else o=t.UNSIGNED_SHORT;else if(r instanceof Int16Array)o=t.SHORT;else if(r instanceof Uint32Array)o=t.UNSIGNED_INT;else if(r instanceof Int32Array)o=t.INT;else if(r instanceof Int8Array)o=t.BYTE;else if(r instanceof Uint8Array)o=t.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=t.UNSIGNED_BYTE}return{buffer:a,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):s.version<e.version&&(!function(e,i,r){const s=i.array,a=i.updateRange;t.bindBuffer(r,e),-1===a.count?t.bufferSubData(r,0,s):(n?t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s,a.offset,a.count):t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s.subarray(a.offset,a.offset+a.count)),a.count=-1),i.onUploadCallback()}(s.buffer,e,r),s.version=e.version)}}}class ta extends ps{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const r=t/2,s=e/2,a=Math.floor(n),o=Math.floor(i),l=a+1,c=o+1,h=t/a,u=e/o,d=[],p=[],f=[],m=[];for(let t=0;t<c;t++){const e=t*u-s;for(let n=0;n<l;n++){const i=n*h-r;p.push(i,-e,0),f.push(0,0,1),m.push(n/a),m.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const n=e+l*t,i=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(n,i,s),d.push(i,r,s)}this.setIndex(d),this.setAttribute("position",new rs(p,3)),this.setAttribute("normal",new rs(f,3)),this.setAttribute("uv",new rs(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new ta(t.width,t.height,t.widthSegments,t.heightSegments)}}const ea={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660, 0.0556434,\n\t\t-1.5371385, 1.8760108, -0.2040259,\n\t\t-0.4985314, 0.0415560, 1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = dFdy( surf_pos.xyz );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_v0 0.339\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_v1 0.276\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_v4 0.046\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_v5 0.016\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_v6 0.0038\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( LEGACY_LIGHTS )\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#else\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tanisotropyV /= material.anisotropy;\n\tmaterial.anisotropy = saturate( material.anisotropy );\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x - tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x + tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometry.viewDir, geometry.normal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, vMapUv );\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n}"},na={common:{diffuse:{value:new Br(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Vn},alphaMap:{value:null},alphaMapTransform:{value:new Vn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Vn}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Vn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Vn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Vn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Vn},normalScale:{value:new kn(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Vn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Vn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Vn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Vn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Br(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new 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super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const da=[.125,.215,.35,.446,.526,.582],pa=20,fa=new ua,ma=new Br;let ga=null;const va=(1+Math.sqrt(5))/2,_a=1/va,ya=[new yi(1,1,1),new yi(-1,1,1),new yi(1,1,-1),new yi(-1,1,-1),new yi(0,va,_a),new yi(0,va,-_a),new yi(_a,0,va),new yi(-_a,0,va),new yi(va,_a,0),new yi(-va,_a,0)];class xa{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){ga=this._renderer.getRenderTarget(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ea(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ba(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t<this._lodPlanes.length;t++)this._lodPlanes[t].dispose()}_cleanup(t){this._renderer.setRenderTarget(ga),t.scissorTest=!1,Sa(t,0,0,t.width,t.height)}_fromTexture(t,e){t.mapping===et||t.mapping===nt?this._setSize(0===t.image.length?16:t.image[0].width||t.image[0].image.width):this._setSize(t.image.width/4),ga=this._renderer.getRenderTarget();const n=e||this._allocateTargets();return this._textureToCubeUV(t,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const t=3*Math.max(this._cubeSize,112),e=4*this._cubeSize,n={magFilter:ft,minFilter:ft,generateMipmaps:!1,type:wt,format:Pt,colorSpace:Be,depthBuffer:!1},i=Ma(t,e,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==t||this._pingPongRenderTarget.height!==e){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Ma(t,e,n);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(t){const e=[],n=[],i=[];let r=t;const s=t-4+1+da.length;for(let a=0;a<s;a++){const s=Math.pow(2,r);n.push(s);let o=1/s;a>t-4?o=da[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,f=3,m=2,g=1,v=new Float32Array(f*p*d),_=new Float32Array(m*p*d),y=new Float32Array(g*p*d);for(let t=0;t<d;t++){const e=t%3*2/3-1,n=t>2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,f*p*t),_.set(u,m*p*t);const r=[t,t,t,t,t,t];y.set(r,g*p*t)}const x=new ps;x.setAttribute("position",new Zr(v,f)),x.setAttribute("uv",new Zr(_,m)),x.setAttribute("faceIndex",new Zr(y,g)),e.push(x),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(pa),r=new yi(0,1,0),s=new zs({name:"SphericalGaussianBlur",defines:{n:pa,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Ta(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Ps(this._lodPlanes[0],t);this._renderer.compile(e,fa)}_sceneToCubeUV(t,e,n,i){const r=new Hs(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(ma),o.toneMapping=Y,o.autoClear=!1;const h=new kr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Ps(new Us,h);let p=!1;const f=t.background;f?f.isColor&&(h.color.copy(f),t.background=null,p=!0):(h.color.copy(ma),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Sa(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=f}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===et||t.mapping===nt;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ea()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=ba());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Ps(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Sa(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,fa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const n=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),i=ya[(e-1)%ya.length];this._blur(t,e-1,e,n,i)}e.autoClear=n}_blur(t,e,n,i,r){const s=this._pingPongRenderTarget;this._halfBlur(t,s,e,n,i,"latitudinal",r),this._halfBlur(s,t,n,n,i,"longitudinal",r)}_halfBlur(t,e,n,i,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new Ps(this._lodPlanes[i],l),h=l.uniforms,u=this._sizeLods[n]-1,d=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/d,f=isFinite(r)?1+Math.floor(3*p):pa;f>pa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const m=[];let g=0;for(let t=0;t<pa;++t){const e=t/p,n=Math.exp(-e*e/2);m.push(n),0===t?g+=n:t<f&&(g+=2*n)}for(let t=0;t<m.length;t++)m[t]=m[t]/g;h.envMap.value=t.texture,h.samples.value=f,h.weights.value=m,h.latitudinal.value="latitudinal"===s,a&&(h.poleAxis.value=a);const{_lodMax:v}=this;h.dTheta.value=d,h.mipInt.value=v-n;const _=this._sizeLods[i];Sa(e,3*_*(i>v-4?i-v+4:0),4*(this._cubeSize-_),3*_,2*_),o.setRenderTarget(e),o.render(c,fa)}}function Ma(t,e,n){const i=new di(t,e,n);return i.texture.mapping=st,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function Sa(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function ba(){return new zs({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Ta(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Ea(){return new zs({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Ta(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Ta(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function wa(t){let e=new WeakMap,n=null;function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===it||s===rt,o=s===et||s===nt;if(a||o){if(r.isRenderTargetTexture&&!0===r.needsPMREMUpdate){r.needsPMREMUpdate=!1;let i=e.get(r);return null===n&&(n=new xa(t)),i=a?n.fromEquirectangular(r,i):n.fromCubemap(r,i),e.set(r,i),i.texture}if(e.has(r))return e.get(r).texture;{const s=r.image;if(a&&s&&s.height>0||o&&s&&function(t){let e=0;const n=6;for(let i=0;i<n;i++)void 0!==t[i]&&e++;return e===n}(s)){null===n&&(n=new xa(t));const s=a?n.fromEquirectangular(r):n.fromCubemap(r);return e.set(r,s),r.addEventListener("dispose",i),s.texture}return null}}}return r},dispose:function(){e=new WeakMap,null!==n&&(n.dispose(),n=null)}}}function Aa(t){const e={};function n(n){if(void 0!==e[n])return e[n];let i;switch(n){case"WEBGL_depth_texture":i=t.getExtension("WEBGL_depth_texture")||t.getExtension("MOZ_WEBGL_depth_texture")||t.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=t.getExtension("EXT_texture_filter_anisotropic")||t.getExtension("MOZ_EXT_texture_filter_anisotropic")||t.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=t.getExtension("WEBGL_compressed_texture_s3tc")||t.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=t.getExtension("WEBGL_compressed_texture_pvrtc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=t.getExtension(n)}return e[n]=i,i}return{has:function(t){return null!==n(t)},init:function(t){t.isWebGL2?n("EXT_color_buffer_float"):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float"),n("WEBGL_multisampled_render_to_texture")},get:function(t){const e=n(t);return null===e&&console.warn("THREE.WebGLRenderer: "+t+" extension not supported."),e}}}function Ra(t,e,n,i){const r={},s=new WeakMap;function a(t){const o=t.target;null!==o.index&&e.remove(o.index);for(const t in o.attributes)e.remove(o.attributes[t]);for(const t in o.morphAttributes){const n=o.morphAttributes[t];for(let t=0,i=n.length;t<i;t++)e.remove(n[t])}o.removeEventListener("dispose",a),delete r[o.id];const l=s.get(o);l&&(e.remove(l),s.delete(o)),i.releaseStatesOfGeometry(o),!0===o.isInstancedBufferGeometry&&delete o._maxInstanceCount,n.memory.geometries--}function o(t){const n=[],i=t.index,r=t.attributes.position;let a=0;if(null!==i){const t=i.array;a=i.version;for(let e=0,i=t.length;e<i;e+=3){const i=t[e+0],r=t[e+1],s=t[e+2];n.push(i,r,r,s,s,i)}}else{if(void 0===r)return;{const t=r.array;a=r.version;for(let e=0,i=t.length/3-1;e<i;e+=3){const t=e+0,i=e+1,r=e+2;n.push(t,i,i,r,r,t)}}}const o=new(Wn(n)?ns:ts)(n,1);o.version=a;const l=s.get(t);l&&e.remove(l),s.set(t,o)}return{get:function(t,e){return!0===r[e.id]||(e.addEventListener("dispose",a),r[e.id]=!0,n.memory.geometries++),e},update:function(n){const i=n.attributes;for(const n in i)e.update(i[n],t.ARRAY_BUFFER);const r=n.morphAttributes;for(const n in r){const i=r[n];for(let n=0,r=i.length;n<r;n++)e.update(i[n],t.ARRAY_BUFFER)}},getWireframeAttribute:function(t){const e=s.get(t);if(e){const n=t.index;null!==n&&e.version<n.version&&o(t)}else o(t);return s.get(t)}}}function Ca(t,e,n,i){const r=i.isWebGL2;let 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e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.isWebGL2&&o.enable(0);e.supportsVertexTextures&&o.enable(1);e.instancing&&o.enable(2);e.instancingColor&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.useLegacyLights&&o.enable(10);e.doubleSided&&o.enable(11);e.flipSided&&o.enable(12);e.useDepthPacking&&o.enable(13);e.dithering&&o.enable(14);e.transmission&&o.enable(15);e.sheen&&o.enable(16);e.opaque&&o.enable(17);e.pointsUvs&&o.enable(18);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const 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t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function hl(){const t=[];let e=0;const n=[],i=[],r=[];function s(n,i,r,s,a,o){let l=t[e];return void 0===l?(l={id:n.id,object:n,geometry:i,material:r,groupOrder:s,renderOrder:n.renderOrder,z:a,group:o},t[e]=l):(l.id=n.id,l.object=n,l.geometry=i,l.material=r,l.groupOrder=s,l.renderOrder=n.renderOrder,l.z=a,l.group=o),e++,l}return{opaque:n,transmissive:i,transparent:r,init:function(){e=0,n.length=0,i.length=0,r.length=0},push:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n<i;n++){const e=t[n];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){n.length>1&&n.sort(t||ll),i.length>1&&i.sort(e||cl),r.length>1&&r.sort(e||cl)}}}function ul(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new hl,t.set(e,[r])):n>=i.length?(r=new hl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function dl(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new yi,color:new Br};break;case"SpotLight":n={position:new yi,direction:new yi,color:new Br,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new yi,color:new Br,distance:0,decay:0};break;case"HemisphereLight":n={direction:new yi,skyColor:new Br,groundColor:new Br};break;case"RectAreaLight":n={color:new Br,position:new yi,halfWidth:new yi,halfHeight:new yi}}return t[e.id]=n,n}}}let pl=0;function fl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function ml(t,e){const n=new dl,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new kn};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new kn,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0};for(let t=0;t<9;t++)r.probe.push(new yi);const s=new yi,a=new Zi,o=new Zi;return{setup:function(s,a){let o=0,l=0,c=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let h=0,u=0,d=0,p=0,f=0,m=0,g=0,v=0,_=0,y=0;s.sort(fl);const x=!0===a?Math.PI:1;for(let t=0,e=s.length;t<e;t++){const e=s[t],a=e.color,M=e.intensity,S=e.distance,b=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)o+=a.r*M*x,l+=a.g*M*x,c+=a.b*M*x;else if(e.isLightProbe)for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],M);else if(e.isDirectionalLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*x),e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.directionalShadow[h]=n,r.directionalShadowMap[h]=b,r.directionalShadowMatrix[h]=e.shadow.matrix,m++}r.directional[h]=t,h++}else if(e.isSpotLight){const t=n.get(e);t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(a).multiplyScalar(M*x),t.distance=S,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,r.spot[d]=t;const s=e.shadow;if(e.map&&(r.spotLightMap[_]=e.map,_++,s.updateMatrices(e),e.castShadow&&y++),r.spotLightMatrix[d]=s.matrix,e.castShadow){const t=i.get(e);t.shadowBias=s.bias,t.shadowNormalBias=s.normalBias,t.shadowRadius=s.radius,t.shadowMapSize=s.mapSize,r.spotShadow[d]=t,r.spotShadowMap[d]=b,v++}d++}else if(e.isRectAreaLight){const t=n.get(e);t.color.copy(a).multiplyScalar(M),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[p]=t,p++}else if(e.isPointLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*x),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,n.shadowCameraNear=t.camera.near,n.shadowCameraFar=t.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=b,r.pointShadowMatrix[u]=e.shadow.matrix,g++}r.point[u]=t,u++}else if(e.isHemisphereLight){const 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d=t[e];if(d.isDirectionalLight){const t=r.directional[n];t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),n++}else if(d.isSpotLight){const t=r.spot[l];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const t=r.rectArea[c];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),o.identity(),a.copy(d.matrixWorld),a.premultiply(u),o.extractRotation(a),t.halfWidth.set(.5*d.width,0,0),t.halfHeight.set(0,.5*d.height,0),t.halfWidth.applyMatrix4(o),t.halfHeight.applyMatrix4(o),c++}else if(d.isPointLight){const t=r.point[i];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),i++}else if(d.isHemisphereLight){const 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super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class yl extends Nr{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function xl(t,e,n){let i=new Ks;const r=new kn,s=new kn,a=new hi,o=new _l({depthPacking:3201}),c=new yl,p={},f=n.maxTextureSize,m={[u]:d,[d]:u,2:2},g=new zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new kn},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * 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e=r.isCompressedTexture||r.image[0].isCompressedTexture,i=r.image[0]&&r.image[0].isDataTexture,d=[];for(let t=0;t<6;t++)d[t]=e||i?i?r.image[t].image:r.image[t]:y(r.image[t],!1,!0,c),d[t]=V(r,d[t]);const p=d[0],f=x(p)||o,m=s.convert(r.format,r.colorSpace),g=s.convert(r.type),v=b(r.internalFormat,m,g,r.colorSpace),_=o&&!0!==r.isVideoTexture,T=void 0===u.__version||!0===l;let w,A=E(r,p,f);if(N(t.TEXTURE_CUBE_MAP,r,f),e){_&&T&&n.texStorage2D(t.TEXTURE_CUBE_MAP,A,v,p.width,p.height);for(let e=0;e<6;e++){w=d[e].mipmaps;for(let i=0;i<w.length;i++){const s=w[i];r.format!==Pt?null!==m?_?n.compressedTexSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,0,0,s.width,s.height,m,s.data):n.compressedTexImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,v,s.width,s.height,0,s.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in 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r=w[i];_?n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,0,0,m,g,r.image[e]):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,v,m,g,r.image[e])}}}M(r,f)&&S(t.TEXTURE_CUBE_MAP),u.__version=h.version,r.onUpdate&&r.onUpdate(r)}e.__version=r.version}(a,e,r):n.bindTexture(t.TEXTURE_CUBE_MAP,a.__webglTexture,t.TEXTURE0+r)},this.rebindTextures=function(e,n,r){const s=i.get(e);void 0!==n&&F(s.__webglFramebuffer,e,e.texture,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,0),void 0!==r&&B(e)},this.setupRenderTarget=function(e){const l=e.texture,c=i.get(e),h=i.get(l);e.addEventListener("dispose",A),!0!==e.isWebGLMultipleRenderTargets&&(void 0===h.__webglTexture&&(h.__webglTexture=t.createTexture()),h.__version=l.version,a.memory.textures++);const u=!0===e.isWebGLCubeRenderTarget,d=!0===e.isWebGLMultipleRenderTargets,p=x(e)||o;if(u){c.__webglFramebuffer=[];for(let e=0;e<6;e++)if(o&&l.mipmaps&&l.mipmaps.length>0){c.__webglFramebuffer[e]=[];for(let n=0;n<l.mipmaps.length;n++)c.__webglFramebuffer[e][n]=t.createFramebuffer()}else c.__webglFramebuffer[e]=t.createFramebuffer()}else{if(o&&l.mipmaps&&l.mipmaps.length>0){c.__webglFramebuffer=[];for(let e=0;e<l.mipmaps.length;e++)c.__webglFramebuffer[e]=t.createFramebuffer()}else c.__webglFramebuffer=t.createFramebuffer();if(d)if(r.drawBuffers){const n=e.texture;for(let e=0,r=n.length;e<r;e++){const r=i.get(n[e]);void 0===r.__webglTexture&&(r.__webglTexture=t.createTexture(),a.memory.textures++)}}else console.warn("THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.");if(o&&e.samples>0&&!1===k(e)){const i=d?l:[l];c.__webglMultisampledFramebuffer=t.createFramebuffer(),c.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,c.__webglMultisampledFramebuffer);for(let n=0;n<i.length;n++){const r=i[n];c.__webglColorRenderbuffer[n]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,c.__webglColorRenderbuffer[n]);const a=s.convert(r.format,r.colorSpace),o=s.convert(r.type),l=b(r.internalFormat,a,o,r.colorSpace,!0===e.isXRRenderTarget),h=H(e);t.renderbufferStorageMultisample(t.RENDERBUFFER,h,l,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+n,t.RENDERBUFFER,c.__webglColorRenderbuffer[n])}t.bindRenderbuffer(t.RENDERBUFFER,null),e.depthBuffer&&(c.__webglDepthRenderbuffer=t.createRenderbuffer(),z(c.__webglDepthRenderbuffer,e,!0)),n.bindFramebuffer(t.FRAMEBUFFER,null)}}if(u){n.bindTexture(t.TEXTURE_CUBE_MAP,h.__webglTexture),N(t.TEXTURE_CUBE_MAP,l,p);for(let n=0;n<6;n++)if(o&&l.mipmaps&&l.mipmaps.length>0)for(let i=0;i<l.mipmaps.length;i++)F(c.__webglFramebuffer[n][i],e,l,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+n,i);else F(c.__webglFramebuffer[n],e,l,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+n,0);M(l,p)&&S(t.TEXTURE_CUBE_MAP),n.unbindTexture()}else if(d){const r=e.texture;for(let s=0,a=r.length;s<a;s++){const a=r[s],o=i.get(a);n.bindTexture(t.TEXTURE_2D,o.__webglTexture),N(t.TEXTURE_2D,a,p),F(c.__webglFramebuffer,e,a,t.COLOR_ATTACHMENT0+s,t.TEXTURE_2D,0),M(a,p)&&S(t.TEXTURE_2D)}n.unbindTexture()}else{let i=t.TEXTURE_2D;if((e.isWebGL3DRenderTarget||e.isWebGLArrayRenderTarget)&&(o?i=e.isWebGL3DRenderTarget?t.TEXTURE_3D:t.TEXTURE_2D_ARRAY:console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.")),n.bindTexture(i,h.__webglTexture),N(i,l,p),o&&l.mipmaps&&l.mipmaps.length>0)for(let n=0;n<l.mipmaps.length;n++)F(c.__webglFramebuffer[n],e,l,t.COLOR_ATTACHMENT0,i,n);else F(c.__webglFramebuffer,e,l,t.COLOR_ATTACHMENT0,i,0);M(l,p)&&S(i),n.unbindTexture()}e.depthBuffer&&B(e)},this.updateRenderTargetMipmap=function(e){const r=x(e)||o,s=!0===e.isWebGLMultipleRenderTargets?e.texture:[e.texture];for(let a=0,o=s.length;a<o;a++){const o=s[a];if(M(o,r)){const r=e.isWebGLCubeRenderTarget?t.TEXTURE_CUBE_MAP:t.TEXTURE_2D,s=i.get(o).__webglTexture;n.bindTexture(r,s),S(r),n.unbindTexture()}}},this.updateMultisampleRenderTarget=function(e){if(o&&e.samples>0&&!1===k(e)){const r=e.isWebGLMultipleRenderTargets?e.texture:[e.texture],s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const l=[],c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=!0===e.isWebGLMultipleRenderTargets;if(u)for(let e=0;e<r.length;e++)n.bindFramebuffer(t.FRAMEBUFFER,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),n.bindFramebuffer(t.FRAMEBUFFER,h.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);n.bindFramebuffer(t.READ_FRAMEBUFFER,h.__webglMultisampledFramebuffer),n.bindFramebuffer(t.DRAW_FRAMEBUFFER,h.__webglFramebuffer);for(let n=0;n<r.length;n++){l.push(t.COLOR_ATTACHMENT0+n),e.depthBuffer&&l.push(c);const d=void 0!==h.__ignoreDepthValues&&h.__ignoreDepthValues;if(!1===d&&(e.depthBuffer&&(o|=t.DEPTH_BUFFER_BIT),e.stencilBuffer&&(o|=t.STENCIL_BUFFER_BIT)),u&&t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,h.__webglColorRenderbuffer[n]),!0===d&&(t.invalidateFramebuffer(t.READ_FRAMEBUFFER,[c]),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,[c])),u){const e=i.get(r[n]).__webglTexture;t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}t.blitFramebuffer(0,0,s,a,0,0,s,a,o,t.NEAREST),p&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,l)}if(n.bindFramebuffer(t.READ_FRAMEBUFFER,null),n.bindFramebuffer(t.DRAW_FRAMEBUFFER,null),u)for(let e=0;e<r.length;e++){n.bindFramebuffer(t.FRAMEBUFFER,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,h.__webglColorRenderbuffer[e]);const s=i.get(r[e]).__webglTexture;n.bindFramebuffer(t.FRAMEBUFFER,h.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,s,0)}n.bindFramebuffer(t.DRAW_FRAMEBUFFER,h.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=B,this.setupFrameBufferTexture=F,this.useMultisampledRTT=k}function bl(t,e,n){const i=n.isWebGL2;return{convert:function(n,r=""){let s;if(n===yt)return t.UNSIGNED_BYTE;if(n===At)return t.UNSIGNED_SHORT_4_4_4_4;if(n===Rt)return t.UNSIGNED_SHORT_5_5_5_1;if(1010===n)return t.BYTE;if(1011===n)return t.SHORT;if(n===St)return t.UNSIGNED_SHORT;if(n===bt)return t.INT;if(n===Et)return t.UNSIGNED_INT;if(n===Tt)return t.FLOAT;if(n===wt)return i?t.HALF_FLOAT:(s=e.get("OES_texture_half_float"),null!==s?s.HALF_FLOAT_OES:null);if(1021===n)return t.ALPHA;if(n===Pt)return t.RGBA;if(1024===n)return t.LUMINANCE;if(1025===n)return t.LUMINANCE_ALPHA;if(n===Nt)return t.DEPTH_COMPONENT;if(n===Dt)return t.DEPTH_STENCIL;if(n===bn)return s=e.get("EXT_sRGB"),null!==s?s.SRGB_ALPHA_EXT:null;if(1028===n)return t.RED;if(n===Ft)return t.RED_INTEGER;if(1030===n)return t.RG;if(n===Bt)return t.RG_INTEGER;if(n===Ht)return t.RGBA_INTEGER;if(n===kt||n===Vt||n===Gt||n===Wt)if(r===ze){if(s=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===s)return null;if(n===kt)return s.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===Vt)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===Gt)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===Wt)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=e.get("WEBGL_compressed_texture_s3tc"),null===s)return null;if(n===kt)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===Vt)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===Gt)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===Wt)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===Xt||n===jt||n===qt||n===Yt){if(s=e.get("WEBGL_compressed_texture_pvrtc"),null===s)return null;if(n===Xt)return s.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===jt)return s.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===qt)return s.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===Yt)return s.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===n)return s=e.get("WEBGL_compressed_texture_etc1"),null!==s?s.COMPRESSED_RGB_ETC1_WEBGL:null;if(n===Jt||n===Kt){if(s=e.get("WEBGL_compressed_texture_etc"),null===s)return null;if(n===Jt)return r===ze?s.COMPRESSED_SRGB8_ETC2:s.COMPRESSED_RGB8_ETC2;if(n===Kt)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:s.COMPRESSED_RGBA8_ETC2_EAC}if(n===$t||n===Qt||n===te||n===ee||n===ne||n===ie||n===re||n===se||n===ae||n===oe||n===le||n===ce||n===he||n===ue){if(s=e.get("WEBGL_compressed_texture_astc"),null===s)return null;if(n===$t)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:s.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===Qt)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:s.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===te)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:s.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===ee)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:s.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===ne)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:s.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===ie)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:s.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===re)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:s.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===se)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:s.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===ae)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:s.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===oe)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:s.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===le)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:s.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===ce)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:s.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===he)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:s.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===ue)return r===ze?s.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:s.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===de){if(s=e.get("EXT_texture_compression_bptc"),null===s)return null;if(n===de)return r===ze?s.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:s.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(36283===n||n===fe||n===me||n===ge){if(s=e.get("EXT_texture_compression_rgtc"),null===s)return null;if(n===de)return s.COMPRESSED_RED_RGTC1_EXT;if(n===fe)return s.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===me)return s.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===ge)return s.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===Ct?i?t.UNSIGNED_INT_24_8:(s=e.get("WEBGL_depth_texture"),null!==s?s.UNSIGNED_INT_24_8_WEBGL:null):void 0!==t[n]?t[n]:null}}}class El extends Hs{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Tl extends xr{constructor(){super(),this.isGroup=!0,this.type="Group"}}const wl={type:"move"};class Al{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Tl,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Tl,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new yi,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new yi),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Tl,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new yi,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new yi),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const n of t.hand.values())this._getHandJoint(e,n)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,n){let i=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(l&&t.hand){s=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,n),r=this._getHandJoint(l,i);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&a>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(wl)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new Tl;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Rl extends ci{constructor(t,e,n,i,r,s,a,o,l,c){if((c=void 0!==c?c:Nt)!==Nt&&c!==Dt)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&c===Nt&&(n=Et),void 0===n&&c===Dt&&(n=Ct),super(null,i,r,s,a,o,c,n,l),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==a?a:ct,this.minFilter=void 0!==o?o:ct,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class Cl extends wn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const f=e.getContextAttributes();let m=null,g=null;const v=[],_=[],y=new Hs;y.layers.enable(1),y.viewport=new hi;const x=new Hs;x.layers.enable(2),x.viewport=new hi;const M=[y,x],S=new El;S.layers.enable(1),S.layers.enable(2);let b=null,E=null;function T(t){const e=_.indexOf(t.inputSource);if(-1===e)return;const n=v[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function w(){i.removeEventListener("select",T),i.removeEventListener("selectstart",T),i.removeEventListener("selectend",T),i.removeEventListener("squeeze",T),i.removeEventListener("squeezestart",T),i.removeEventListener("squeezeend",T),i.removeEventListener("end",w),i.removeEventListener("inputsourceschange",A);for(let t=0;t<v.length;t++){const e=_[t];null!==e&&(_[t]=null,v[t].disconnect(e))}b=null,E=null,t.setRenderTarget(m),d=null,u=null,h=null,i=null,g=null,I.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function A(t){for(let e=0;e<t.removed.length;e++){const n=t.removed[e],i=_.indexOf(n);i>=0&&(_[i]=null,v[i].disconnect(n))}for(let e=0;e<t.added.length;e++){const n=t.added[e];let i=_.indexOf(n);if(-1===i){for(let t=0;t<v.length;t++){if(t>=_.length){_.push(n),i=t;break}if(null===_[t]){_[t]=n,i=t;break}}if(-1===i)break}const r=v[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=v[t];return void 0===e&&(e=new Al,v[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=v[t];return void 0===e&&(e=new Al,v[t]=e),e.getGripSpace()},this.getHand=function(t){let e=v[t];return void 0===e&&(e=new Al,v[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(m=t.getRenderTarget(),i.addEventListener("select",T),i.addEventListener("selectstart",T),i.addEventListener("selectend",T),i.addEventListener("squeeze",T),i.addEventListener("squeezestart",T),i.addEventListener("squeezeend",T),i.addEventListener("end",w),i.addEventListener("inputsourceschange",A),!0!==f.xrCompatible&&await e.makeXRCompatible(),void 0===i.renderState.layers||!1===t.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),g=new di(d.framebufferWidth,d.framebufferHeight,{format:Pt,type:yt,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Dt:Nt,s=f.stencil?Ct:Et);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),g=new di(u.textureWidth,u.textureHeight,{format:Pt,type:yt,depthTexture:new Rl(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0});t.properties.get(g).__ignoreDepthValues=u.ignoreDepthValues}g.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),I.setContext(i),I.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode};const R=new yi,C=new yi;function L(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;S.near=x.near=y.near=t.near,S.far=x.far=y.far=t.far,b===S.near&&E===S.far||(i.updateRenderState({depthNear:S.near,depthFar:S.far}),b=S.near,E=S.far);const e=t.parent,n=S.cameras;L(S,e);for(let t=0;t<n.length;t++)L(n[t],e);2===n.length?function(t,e,n){R.setFromMatrixPosition(e.matrixWorld),C.setFromMatrixPosition(n.matrixWorld);const i=R.distanceTo(C),r=e.projectionMatrix.elements,s=n.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*h,p=a*u,f=i/(-h+u),m=f*-h;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(m),t.translateZ(f),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=a+f,v=o+f,_=d-m,y=p+(i-m),x=l*o/v*g,M=c*o/v*g;t.projectionMatrix.makePerspective(_,y,x,M,g,v),t.projectionMatrixInverse.copy(t.projectionMatrix).invert()}(S,y,x):S.projectionMatrix.copy(y.projectionMatrix),function(t,e,n){null===n?t.matrix.copy(e.matrixWorld):(t.matrix.copy(n.matrixWorld),t.matrix.invert(),t.matrix.multiply(e.matrixWorld));t.matrix.decompose(t.position,t.quaternion,t.scale),t.updateMatrixWorld(!0);const i=t.children;for(let t=0,e=i.length;t<e;t++)i[t].updateMatrixWorld(!0);t.projectionMatrix.copy(e.projectionMatrix),t.projectionMatrixInverse.copy(e.projectionMatrixInverse),t.isPerspectiveCamera&&(t.fov=2*Ln*Math.atan(1/t.projectionMatrix.elements[5]),t.zoom=1)}(t,S,e)},this.getCamera=function(){return S},this.getFoveation=function(){if(null!==u||null!==d)return o},this.setFoveation=function(t){o=t,null!==u&&(u.fixedFoveation=t),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=t)};let P=null;const I=new $s;I.setAnimationLoop((function(e,i){if(c=i.getViewerPose(l||s),p=i,null!==c){const e=c.views;null!==d&&(t.setRenderTargetFramebuffer(g,d.framebuffer),t.setRenderTarget(g));let n=!1;e.length!==S.cameras.length&&(S.cameras.length=0,n=!0);for(let i=0;i<e.length;i++){const r=e[i];let s=null;if(null!==d)s=d.getViewport(r);else{const e=h.getViewSubImage(u,r);s=e.viewport,0===i&&(t.setRenderTargetTextures(g,e.colorTexture,u.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(g))}let a=M[i];void 0===a&&(a=new Hs,a.layers.enable(i),a.viewport=new hi,M[i]=a),a.matrix.fromArray(r.transform.matrix),a.matrix.decompose(a.position,a.quaternion,a.scale),a.projectionMatrix.fromArray(r.projectionMatrix),a.projectionMatrixInverse.copy(a.projectionMatrix).invert(),a.viewport.set(s.x,s.y,s.width,s.height),0===i&&(S.matrix.copy(a.matrix),S.matrix.decompose(S.position,S.quaternion,S.scale)),!0===n&&S.cameras.push(a)}}for(let t=0;t<v.length;t++){const e=_[t],n=v[t];null!==e&&void 0!==n&&n.update(e,i,l||s)}P&&P(e,i),i.detectedPlanes&&n.dispatchEvent({type:"planesdetected",data:i}),p=null})),this.setAnimationLoop=function(t){P=t},this.dispose=function(){}}}function Ll(t,e){function n(t,e){!0===t.matrixAutoUpdate&&t.updateMatrix(),e.value.copy(t.matrix)}function i(i,r){i.opacity.value=r.opacity,r.color&&i.diffuse.value.copy(r.color),r.emissive&&i.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(i.map.value=r.map,n(r.map,i.mapTransform)),r.alphaMap&&(i.alphaMap.value=r.alphaMap,n(r.alphaMap,i.alphaMapTransform)),r.bumpMap&&(i.bumpMap.value=r.bumpMap,n(r.bumpMap,i.bumpMapTransform),i.bumpScale.value=r.bumpScale,r.side===d&&(i.bumpScale.value*=-1)),r.normalMap&&(i.normalMap.value=r.normalMap,n(r.normalMap,i.normalMapTransform),i.normalScale.value.copy(r.normalScale),r.side===d&&i.normalScale.value.negate()),r.displacementMap&&(i.displacementMap.value=r.displacementMap,n(r.displacementMap,i.displacementMapTransform),i.displacementScale.value=r.displacementScale,i.displacementBias.value=r.displacementBias),r.emissiveMap&&(i.emissiveMap.value=r.emissiveMap,n(r.emissiveMap,i.emissiveMapTransform)),r.specularMap&&(i.specularMap.value=r.specularMap,n(r.specularMap,i.specularMapTransform)),r.alphaTest>0&&(i.alphaTest.value=r.alphaTest);const s=e.get(r).envMap;if(s&&(i.envMap.value=s,i.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,i.reflectivity.value=r.reflectivity,i.ior.value=r.ior,i.refractionRatio.value=r.refractionRatio),r.lightMap){i.lightMap.value=r.lightMap;const e=!0===t._useLegacyLights?Math.PI:1;i.lightMapIntensity.value=r.lightMapIntensity*e,n(r.lightMap,i.lightMapTransform)}r.aoMap&&(i.aoMap.value=r.aoMap,i.aoMapIntensity.value=r.aoMapIntensity,n(r.aoMap,i.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,Os(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,i){t.metalness.value=i.metalness,i.metalnessMap&&(t.metalnessMap.value=i.metalnessMap,n(i.metalnessMap,t.metalnessMapTransform));t.roughness.value=i.roughness,i.roughnessMap&&(t.roughnessMap.value=i.roughnessMap,n(i.roughnessMap,t.roughnessMapTransform));const r=e.get(i).envMap;r&&(t.envMapIntensity.value=i.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function 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s=e.fog,a=i.isMeshStandardMaterial?e.environment:null,o=null===T?M.outputColorSpace:!0===T.isXRRenderTarget?T.texture.colorSpace:Be,l=(i.isMeshStandardMaterial?rt:it).get(i.envMap||a),c=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,h=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let f=Y;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(f=M.toneMapping));const m=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==m?m.length:0,v=et.get(i),y=_.state.lights;if(!0===V&&(!0===G||t!==A)){const e=t===A&&i.id===w;dt.setState(i,t,e)}let 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I,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Bo.upload(Lt,v.uniformsList,L,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Lt,"center",r.center);if(C.setValue(Lt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Lt,"normalMatrix",r.normalMatrix),C.setValue(Lt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e<n;e++)if($.isWebGL2){const n=t[e];bt.update(n,S),bt.bind(n,S)}else console.warn("THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2.")}return S}(t,e,n,i,r);Q.setMaterial(i,a);let l=n.index,c=1;if(!0===i.wireframe){if(l=at.getWireframeAttribute(n),void 0===l)return;c=2}const h=n.drawRange,u=n.attributes.position;let d=h.start*c,p=(h.start+h.count)*c;null!==s&&(d=Math.max(d,s.start*c),p=Math.min(p,(s.start+s.count)*c)),null!==l?(d=Math.max(d,0),p=Math.min(p,l.count)):null!=u&&(d=Math.max(d,0),p=Math.min(p,u.count));const f=p-d;if(f<0||f===1/0)return;let 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n(t,e,n){!0===t.transparent&&2===t.side&&!1===t.forceSinglePass?(t.side=d,t.needsUpdate=!0,Jt(t,e,n),t.side=u,t.needsUpdate=!0,Jt(t,e,n),t.side=2):Jt(t,e,n)}_=ut.get(t),_.init(),x.push(_),t.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(_.pushLight(t),t.castShadow&&_.pushShadow(t))})),_.setupLights(M._useLegacyLights),t.traverse((function(e){const i=e.material;if(i)if(Array.isArray(i))for(let r=0;r<i.length;r++){n(i[r],t,e)}else n(i,t,e)})),x.pop(),_=null};let Vt=null;function Gt(){Xt.stop()}function Wt(){Xt.start()}const Xt=new $s;function jt(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||k.intersectsSprite(t)){i&&q.setFromMatrixPosition(t.matrixWorld).applyMatrix4(X);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,q.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||k.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),q.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),q.copy(e.boundingSphere.center)),q.applyMatrix4(t.matrixWorld).applyMatrix4(X)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s<a;s++){const a=i[s],o=r[a.materialIndex];o&&o.visible&&v.push(t,e,o,n,q.z,a)}}else r.visible&&v.push(t,e,r,n,q.z,null)}const r=t.children;for(let t=0,s=r.length;t<s;t++)jt(r[t],e,n,i)}function qt(t,e,n,i){const r=t.opaque,s=t.transmissive,a=t.transparent;_.setupLightsView(n),!0===V&&dt.setGlobalState(M.clippingPlanes,n),s.length>0&&function(t,e,n,i){const r=$.isWebGL2;null===W&&(W=new di(1,1,{generateMipmaps:!0,type:K.has("EXT_color_buffer_half_float")?wt:yt,minFilter:vt,samples:r?4:0}));M.getDrawingBufferSize(j),r?W.setSize(j.x,j.y):W.setSize(Fn(j.x),Fn(j.y));const s=M.getRenderTarget();M.setRenderTarget(W),M.getClearColor(P),I=M.getClearAlpha(),I<1&&M.setClearColor(16777215,.5);M.clear();const a=M.toneMapping;M.toneMapping=Y,Yt(t,n,i),nt.updateMultisampleRenderTarget(W),nt.updateRenderTargetMipmap(W);let o=!1;for(let t=0,r=e.length;t<r;t++){const r=e[t],s=r.object,a=r.geometry,l=r.material,c=r.group;if(2===l.side&&s.layers.test(i.layers)){const t=l.side;l.side=d,l.needsUpdate=!0,Zt(s,n,i,a,l,c),l.side=t,l.needsUpdate=!0,o=!0}}!0===o&&(nt.updateMultisampleRenderTarget(W),nt.updateRenderTargetMipmap(W));M.setRenderTarget(s),M.setClearColor(P,I),M.toneMapping=a}(r,s,e,n),i&&Q.viewport(R.copy(i)),r.length>0&&Yt(r,e,n),s.length>0&&Yt(s,e,n),a.length>0&&Yt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Yt(t,e,n){const i=!0===e.isScene?e.overrideMaterial:null;for(let r=0,s=t.length;r<s;r++){const 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t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=a,i.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotLightMatrix.value=r.state.spotLightMatrix,u.spotLightMap.value=r.state.spotLightMap,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix);const d=h.getUniforms(),p=Bo.seqWithValue(d.seq,u);return i.currentProgram=h,i.uniformsList=p,h}function Kt(t,e){const n=et.get(t);n.outputColorSpace=e.outputColorSpace,n.instancing=e.instancing,n.instancingColor=e.instancingColor,n.skinning=e.skinning,n.morphTargets=e.morphTargets,n.morphNormals=e.morphNormals,n.morphColors=e.morphColors,n.morphTargetsCount=e.morphTargetsCount,n.numClippingPlanes=e.numClippingPlanes,n.numIntersection=e.numClipIntersection,n.vertexAlphas=e.vertexAlphas,n.vertexTangents=e.vertexTangents,n.toneMapping=e.toneMapping}Xt.setAnimationLoop((function(t){Vt&&Vt(t)})),"undefined"!=typeof self&&Xt.setContext(self),this.setAnimationLoop=function(t){Vt=t,Nt.setAnimationLoop(t),null===t?Xt.stop():Xt.start()},Nt.addEventListener("sessionstart",Gt),Nt.addEventListener("sessionend",Wt),this.render=function(t,e){if(void 0!==e&&!0!==e.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===S)return;!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===Nt.enabled&&!0===Nt.isPresenting&&(!0===Nt.cameraAutoUpdate&&Nt.updateCamera(e),e=Nt.getCamera()),!0===t.isScene&&t.onBeforeRender(M,t,e,T),_=ut.get(t,x.length),_.init(),x.push(_),X.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),k.setFromProjectionMatrix(X),G=this.localClippingEnabled,V=dt.init(this.clippingPlanes,G),v=ht.get(t,y.length),v.init(),y.push(v),jt(t,e,0,M.sortObjects),v.finish(),!0===M.sortObjects&&v.sort(O,F),this.info.render.frame++,!0===V&&dt.beginShadows();const n=_.state.shadowsArray;if(pt.render(n,t,e),!0===V&&dt.endShadows(),!0===this.info.autoReset&&this.info.reset(),ft.render(v,t),_.setupLights(M._useLegacyLights),e.isArrayCamera){const n=e.cameras;for(let e=0,i=n.length;e<i;e++){const i=n[e];qt(v,t,i,i.viewport)}}else qt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),Mt.resetDefaultState(),w=-1,A=null,x.pop(),_=x.length>0?x[x.length-1]:null,y.pop(),v=y.length>0?y[y.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return E},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__hasExternalTextures&&(i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===K.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,E=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Lt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=$.isWebGL2&&t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),L=t.scissorTest}else R.copy(z).multiplyScalar(D).floor(),C.copy(B).multiplyScalar(D).floor(),L=H;if(Q.bindFramebuffer(Lt.FRAMEBUFFER,r)&&$.drawBuffers&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(L),s){const i=et.get(t.texture);Lt.framebufferTexture2D(Lt.FRAMEBUFFER,Lt.COLOR_ATTACHMENT0,Lt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Lt.framebufferTextureLayer(Lt.FRAMEBUFFER,Lt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}w=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Lt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(o!==Pt&&xt.convert(o)!==Lt.getParameter(Lt.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const c=l===wt&&(K.has("EXT_color_buffer_half_float")||$.isWebGL2&&K.has("EXT_color_buffer_float"));if(!(l===yt||xt.convert(l)===Lt.getParameter(Lt.IMPLEMENTATION_COLOR_READ_TYPE)||l===Tt&&($.isWebGL2||K.has("OES_texture_float")||K.has("WEBGL_color_buffer_float"))||c))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Lt.readPixels(e,n,i,r,xt.convert(o),xt.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Lt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),s=Math.floor(e.image.height*i);nt.setTexture2D(e,0),Lt.copyTexSubImage2D(Lt.TEXTURE_2D,n,0,0,t.x,t.y,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,s=e.image.height,a=xt.convert(n.format),o=xt.convert(n.type);nt.setTexture2D(n,0),Lt.pixelStorei(Lt.UNPACK_FLIP_Y_WEBGL,n.flipY),Lt.pixelStorei(Lt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),Lt.pixelStorei(Lt.UNPACK_ALIGNMENT,n.unpackAlignment),e.isDataTexture?Lt.texSubImage2D(Lt.TEXTURE_2D,i,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?Lt.compressedTexSubImage2D(Lt.TEXTURE_2D,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):Lt.texSubImage2D(Lt.TEXTURE_2D,i,t.x,t.y,a,o,e.image),0===i&&n.generateMipmaps&&Lt.generateMipmap(Lt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(M.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const s=t.max.x-t.min.x+1,a=t.max.y-t.min.y+1,o=t.max.z-t.min.z+1,l=xt.convert(i.format),c=xt.convert(i.type);let h;if(i.isData3DTexture)nt.setTexture3D(i,0),h=Lt.TEXTURE_3D;else{if(!i.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(i,0),h=Lt.TEXTURE_2D_ARRAY}Lt.pixelStorei(Lt.UNPACK_FLIP_Y_WEBGL,i.flipY),Lt.pixelStorei(Lt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),Lt.pixelStorei(Lt.UNPACK_ALIGNMENT,i.unpackAlignment);const u=Lt.getParameter(Lt.UNPACK_ROW_LENGTH),d=Lt.getParameter(Lt.UNPACK_IMAGE_HEIGHT),p=Lt.getParameter(Lt.UNPACK_SKIP_PIXELS),f=Lt.getParameter(Lt.UNPACK_SKIP_ROWS),m=Lt.getParameter(Lt.UNPACK_SKIP_IMAGES),g=n.isCompressedTexture?n.mipmaps[0]:n.image;Lt.pixelStorei(Lt.UNPACK_ROW_LENGTH,g.width),Lt.pixelStorei(Lt.UNPACK_IMAGE_HEIGHT,g.height),Lt.pixelStorei(Lt.UNPACK_SKIP_PIXELS,t.min.x),Lt.pixelStorei(Lt.UNPACK_SKIP_ROWS,t.min.y),Lt.pixelStorei(Lt.UNPACK_SKIP_IMAGES,t.min.z),n.isDataTexture||n.isData3DTexture?Lt.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,g.data):n.isCompressedArrayTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),Lt.compressedTexSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,g.data)):Lt.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,g),Lt.pixelStorei(Lt.UNPACK_ROW_LENGTH,u),Lt.pixelStorei(Lt.UNPACK_IMAGE_HEIGHT,d),Lt.pixelStorei(Lt.UNPACK_SKIP_PIXELS,p),Lt.pixelStorei(Lt.UNPACK_SKIP_ROWS,f),Lt.pixelStorei(Lt.UNPACK_SKIP_IMAGES,m),0===r&&i.generateMipmaps&&Lt.generateMipmap(h),Q.unbindTexture()},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,E=0,T=null,Q.reset(),Mt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return En}get physicallyCorrectLights(){return console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),!this.useLegacyLights}set physicallyCorrectLights(t){console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),this.useLegacyLights=!t}get outputEncoding(){return console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace===ze?Ie:Pe}set outputEncoding(t){console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace=t===Ie?ze:Be}get useLegacyLights(){return console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights}set useLegacyLights(t){console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights=t}}class Nl extends Ul{}Nl.prototype.isWebGL1Renderer=!0;class Dl{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Br(t),this.density=e}clone(){return new Dl(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}class Ol{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Br(t),this.near=e,this.far=n}clone(){return new Ol(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}class Fl extends xr{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e}}class zl{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=dn,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=Pn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[n+i];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=Pn()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(e,this.stride);return n.setUsage(this.usage),n}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=Pn()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const Bl=new yi;class Hl{constructor(t,e,n,i=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=n,this.normalized=i}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,n=this.data.count;e<n;e++)Bl.fromBufferAttribute(this,e),Bl.applyMatrix4(t),this.setXYZ(e,Bl.x,Bl.y,Bl.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)Bl.fromBufferAttribute(this,e),Bl.applyNormalMatrix(t),this.setXYZ(e,Bl.x,Bl.y,Bl.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)Bl.fromBufferAttribute(this,e),Bl.transformDirection(t),this.setXYZ(e,Bl.x,Bl.y,Bl.z);return this}setX(t,e){return this.normalized&&(e=Bn(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=Bn(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=Bn(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=Bn(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=zn(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=zn(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=zn(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=zn(e,this.array)),e}setXY(t,e,n){return t=t*this.data.stride+this.offset,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=n,this}setXYZ(t,e,n,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array),i=Bn(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=Bn(e,this.array),n=Bn(n,this.array),i=Bn(i,this.array),r=Bn(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this.data.array[t+3]=r,this}clone(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return new Zr(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new Hl(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}class kl extends Nr{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Br(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}let Vl;const Gl=new yi,Wl=new yi,Xl=new yi,jl=new kn,ql=new kn,Yl=new Zi,Zl=new yi,Jl=new yi,Kl=new yi,$l=new kn,Ql=new kn,tc=new kn;class ec extends xr{constructor(t){if(super(),this.isSprite=!0,this.type="Sprite",void 0===Vl){Vl=new ps;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new zl(t,5);Vl.setIndex([0,1,2,0,2,3]),Vl.setAttribute("position",new Hl(e,3,0,!1)),Vl.setAttribute("uv",new Hl(e,2,3,!1))}this.geometry=Vl,this.material=void 0!==t?t:new kl,this.center=new kn(.5,.5)}raycast(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Wl.setFromMatrixScale(this.matrixWorld),Yl.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Xl.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Wl.multiplyScalar(-Xl.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const s=this.center;nc(Zl.set(-.5,-.5,0),Xl,s,Wl,i,r),nc(Jl.set(.5,-.5,0),Xl,s,Wl,i,r),nc(Kl.set(.5,.5,0),Xl,s,Wl,i,r),$l.set(0,0),Ql.set(1,0),tc.set(1,1);let a=t.ray.intersectTriangle(Zl,Jl,Kl,!1,Gl);if(null===a&&(nc(Jl.set(-.5,.5,0),Xl,s,Wl,i,r),Ql.set(0,1),a=t.ray.intersectTriangle(Zl,Kl,Jl,!1,Gl),null===a))return;const o=t.ray.origin.distanceTo(Gl);o<t.near||o>t.far||e.push({distance:o,point:Gl.clone(),uv:Ir.getInterpolation(Gl,Zl,Jl,Kl,$l,Ql,tc,new kn),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function nc(t,e,n,i,r,s){jl.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(ql.x=s*jl.x-r*jl.y,ql.y=r*jl.x+s*jl.y):ql.copy(jl),t.copy(e),t.x+=ql.x,t.y+=ql.y,t.applyMatrix4(Yl)}const ic=new yi,rc=new yi;class sc extends xr{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t<n;t++){const n=e[t];this.addLevel(n.object.clone(),n.distance,n.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,n=0){e=Math.abs(e);const i=this.levels;let r;for(r=0;r<i.length&&!(e<i[r].distance);r++);return i.splice(r,0,{distance:e,hysteresis:n,object:t}),this.add(t),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let n,i;for(n=1,i=e.length;n<i;n++){let i=e[n].distance;if(e[n].object.visible&&(i-=i*e[n].hysteresis),t<i)break}return e[n-1].object}return null}raycast(t,e){if(this.levels.length>0){ic.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(ic);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ic.setFromMatrixPosition(t.matrixWorld),rc.setFromMatrixPosition(this.matrixWorld);const n=ic.distanceTo(rc)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i<r;i++){let t=e[i].distance;if(e[i].object.visible&&(t-=t*e[i].hysteresis),!(n>=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i<r;i++)e[i].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const n=this.levels;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.object.levels.push({object:i.object.uuid,distance:i.distance,hysteresis:i.hysteresis})}return e}}const ac=new yi,oc=new hi,lc=new hi,cc=new yi,hc=new Zi,uc=new yi,dc=new Hi,pc=new Zi,fc=new Yi;class mc extends Ps{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Zi,this.bindMatrixInverse=new Zi,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Si),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)uc.fromBufferAttribute(e,t),this.applyBoneTransform(t,uc),this.boundingBox.expandByPoint(uc)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new Hi),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)uc.fromBufferAttribute(e,t),this.applyBoneTransform(t,uc),this.boundingSphere.expandByPoint(uc)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const n=this.material,i=this.matrixWorld;void 0!==n&&(null===this.boundingSphere&&this.computeBoundingSphere(),dc.copy(this.boundingSphere),dc.applyMatrix4(i),!1!==t.ray.intersectsSphere(dc)&&(pc.copy(i).invert(),fc.copy(t.ray).applyMatrix4(pc),null!==this.boundingBox&&!1===fc.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,fc)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new hi,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;n<i;n++){t.fromBufferAttribute(e,n);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const n=this.skeleton,i=this.geometry;oc.fromBufferAttribute(i.attributes.skinIndex,t),lc.fromBufferAttribute(i.attributes.skinWeight,t),ac.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const i=lc.getComponent(t);if(0!==i){const r=oc.getComponent(t);hc.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),e.addScaledVector(cc.copy(ac).applyMatrix4(hc),i)}}return e.applyMatrix4(this.bindMatrixInverse)}boneTransform(t,e){return console.warn("THREE.SkinnedMesh: .boneTransform() was renamed to .applyBoneTransform() in r151."),this.applyBoneTransform(t,e)}}class gc extends xr{constructor(){super(),this.isBone=!0,this.type="Bone"}}class vc extends ci{constructor(t=null,e=1,n=1,i,r,s,a,o,l=1003,c=1003,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isDataTexture=!0,this.image={data:t,width:e,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const _c=new Zi,yc=new Zi;class xc{constructor(t=[],e=[]){this.uuid=Pn(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Zi)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Zi;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let i=0,r=t.length;i<r;i++){const r=t[i]?t[i].matrixWorld:yc;_c.multiplyMatrices(r,e[i]),_c.toArray(n,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new xc(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=On(t),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const n=new vc(e,t,t,Pt,Tt);return n.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=n,this.boneTextureSize=t,this}getBoneByName(t){for(let e=0,n=this.bones.length;e<n;e++){const n=this.bones[e];if(n.name===t)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let n=0,i=t.bones.length;n<i;n++){const i=t.bones[n];let r=e[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new gc),this.bones.push(r),this.boneInverses.push((new Zi).fromArray(t.boneInverses[n]))}return this.init(),this}toJSON(){const t={metadata:{version:4.6,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,n=this.boneInverses;for(let i=0,r=e.length;i<r;i++){const r=e[i];t.bones.push(r.uuid);const s=n[i];t.boneInverses.push(s.toArray())}return t}}class Mc extends Zr{constructor(t,e,n,i=1){super(t,e,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Sc=new Zi,bc=new Zi,Ec=[],Tc=new Si,wc=new Zi,Ac=new Ps,Rc=new Hi;class Cc extends Ps{constructor(t,e,n){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new Mc(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<n;t++)this.setMatrixAt(t,wc)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new Si),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<e;n++)this.getMatrixAt(n,Sc),Tc.copy(t.boundingBox).applyMatrix4(Sc),this.boundingBox.union(Tc)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new Hi),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<e;n++)this.getMatrixAt(n,Sc),Rc.copy(t.boundingSphere).applyMatrix4(Sc),this.boundingSphere.union(Rc)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}raycast(t,e){const n=this.matrixWorld,i=this.count;if(Ac.geometry=this.geometry,Ac.material=this.material,void 0!==Ac.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),Rc.copy(this.boundingSphere),Rc.applyMatrix4(n),!1!==t.ray.intersectsSphere(Rc)))for(let r=0;r<i;r++){this.getMatrixAt(r,Sc),bc.multiplyMatrices(n,Sc),Ac.matrixWorld=bc,Ac.raycast(t,Ec);for(let t=0,n=Ec.length;t<n;t++){const n=Ec[t];n.instanceId=r,n.object=this,e.push(n)}Ec.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new Mc(new Float32Array(3*this.instanceMatrix.count),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}class Lc extends Nr{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Br(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Pc=new yi,Ic=new yi,Uc=new Zi,Nc=new Yi,Dc=new Hi;class Oc extends xr{constructor(t=new ps,e=new Lc){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[0];for(let t=1,i=e.count;t<i;t++)Pc.fromBufferAttribute(e,t-1),Ic.fromBufferAttribute(e,t),n[t]=n[t-1],n[t]+=Pc.distanceTo(Ic);t.setAttribute("lineDistance",new rs(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Dc.copy(n.boundingSphere),Dc.applyMatrix4(i),Dc.radius+=r,!1===t.ray.intersectsSphere(Dc))return;Uc.copy(i).invert(),Nc.copy(t.ray).applyMatrix4(Uc);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=new yi,c=new yi,h=new yi,u=new yi,d=this.isLineSegments?2:1,p=n.index,f=n.attributes.position;if(null!==p){for(let n=Math.max(0,s.start),i=Math.min(p.count,s.start+s.count)-1;n<i;n+=d){const i=p.getX(n),r=p.getX(n+1);l.fromBufferAttribute(f,i),c.fromBufferAttribute(f,r);if(Nc.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const s=t.ray.origin.distanceTo(u);s<t.near||s>t.far||e.push({distance:s,point:h.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else{for(let n=Math.max(0,s.start),i=Math.min(f.count,s.start+s.count)-1;n<i;n+=d){l.fromBufferAttribute(f,n),c.fromBufferAttribute(f,n+1);if(Nc.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const i=t.ray.origin.distanceTo(u);i<t.near||i>t.far||e.push({distance:i,point:h.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}const Fc=new yi,zc=new yi;class Bc extends Oc{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t<i;t+=2)Fc.fromBufferAttribute(e,t),zc.fromBufferAttribute(e,t+1),n[t]=0===t?0:n[t-1],n[t+1]=n[t]+Fc.distanceTo(zc);t.setAttribute("lineDistance",new rs(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Hc extends Oc{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class kc extends Nr{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Br(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Vc=new Zi,Gc=new Yi,Wc=new Hi,Xc=new yi;class jc extends xr{constructor(t=new ps,e=new kc){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=t.material,this.geometry=t.geometry,this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Wc.copy(n.boundingSphere),Wc.applyMatrix4(i),Wc.radius+=r,!1===t.ray.intersectsSphere(Wc))return;Vc.copy(i).invert(),Gc.copy(t.ray).applyMatrix4(Vc);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=n.index,c=n.attributes.position;if(null!==l){for(let n=Math.max(0,s.start),r=Math.min(l.count,s.start+s.count);n<r;n++){const r=l.getX(n);Xc.fromBufferAttribute(c,r),qc(Xc,r,o,i,t,e,this)}}else{for(let n=Math.max(0,s.start),r=Math.min(c.count,s.start+s.count);n<r;n++)Xc.fromBufferAttribute(c,n),qc(Xc,n,o,i,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function qc(t,e,n,i,r,s,a){const o=Gc.distanceSqToPoint(t);if(o<n){const n=new yi;Gc.closestPointToPoint(t,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Yc extends ci{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:ft,this.magFilter=void 0!==r?r:ft,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class Zc extends ci{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ct,this.minFilter=ct,this.generateMipmaps=!1,this.needsUpdate=!0}}class Jc extends ci{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Kc extends Jc{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=ot}}class $c extends Jc{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,et),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Qc extends ci{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class th{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new kn:new yi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new yi,i=[],r=[],s=[],a=new yi,o=new Zi;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new yi)}r[0]=new yi,s[0]=new yi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(In(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(In(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class eh extends th{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const n=e||new kn,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=s?0:i),!0!==this.aClockwise||s||(r===i?r=-i:r-=i);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),n=o-this.aX,i=l-this.aY;o=n*t-i*e+this.aX,l=n*e+i*t+this.aY}return n.set(o,l)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class nh extends eh{constructor(t,e,n,i,r,s){super(t,e,n,n,i,r,s),this.isArcCurve=!0,this.type="ArcCurve"}}function ih(){let t=0,e=0,n=0,i=0;function r(r,s,a,o){t=r,e=a,n=-3*r+3*s-2*a-o,i=2*r-2*s+a+o}return{initCatmullRom:function(t,e,n,i,s){r(e,n,s*(n-t),s*(i-e))},initNonuniformCatmullRom:function(t,e,n,i,s,a,o){let l=(e-t)/s-(n-t)/(s+a)+(n-e)/a,c=(n-e)/a-(i-e)/(a+o)+(i-n)/o;l*=a,c*=a,r(e,n,l,c)},calc:function(r){const s=r*r;return t+e*r+n*s+i*(s*r)}}}const rh=new yi,sh=new ih,ah=new ih,oh=new ih;class lh extends th{constructor(t=[],e=!1,n="centripetal",i=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}getPoint(t,e=new yi){const n=e,i=this.points,r=i.length,s=(r-(this.closed?0:1))*t;let a,o,l=Math.floor(s),c=s-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(rh.subVectors(i[0],i[1]).add(i[0]),a=rh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2<r?o=i[(l+2)%r]:(rh.subVectors(i[r-1],i[r-2]).add(i[r-1]),o=rh),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(h),t),n=Math.pow(h.distanceToSquared(u),t),i=Math.pow(u.distanceToSquared(o),t);n<1e-4&&(n=1),e<1e-4&&(e=n),i<1e-4&&(i=n),sh.initNonuniformCatmullRom(a.x,h.x,u.x,o.x,e,n,i),ah.initNonuniformCatmullRom(a.y,h.y,u.y,o.y,e,n,i),oh.initNonuniformCatmullRom(a.z,h.z,u.z,o.z,e,n,i)}else"catmullrom"===this.curveType&&(sh.initCatmullRom(a.x,h.x,u.x,o.x,this.tension),ah.initCatmullRom(a.y,h.y,u.y,o.y,this.tension),oh.initCatmullRom(a.z,h.z,u.z,o.z,this.tension));return n.set(sh.calc(c),ah.calc(c),oh.calc(c)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new yi).fromArray(n))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function ch(t,e,n,i,r){const s=.5*(i-e),a=.5*(r-n),o=t*t;return(2*n-2*i+s+a)*(t*o)+(-3*n+3*i-2*s-a)*o+s*t+n}function hh(t,e,n,i){return function(t,e){const n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function uh(t,e,n,i,r){return function(t,e){const n=1-t;return n*n*n*e}(t,e)+function(t,e){const n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}class dh extends th{constructor(t=new kn,e=new kn,n=new kn,i=new kn){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new kn){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(uh(t,i.x,r.x,s.x,a.x),uh(t,i.y,r.y,s.y,a.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class ph extends th{constructor(t=new yi,e=new yi,n=new yi,i=new yi){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new yi){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(uh(t,i.x,r.x,s.x,a.x),uh(t,i.y,r.y,s.y,a.y),uh(t,i.z,r.z,s.z,a.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class fh extends th{constructor(t=new kn,e=new kn){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new kn){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new kn){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class mh extends th{constructor(t=new yi,e=new yi){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new yi){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new yi){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class gh extends th{constructor(t=new kn,e=new kn,n=new kn){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new kn){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(hh(t,i.x,r.x,s.x),hh(t,i.y,r.y,s.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class vh extends th{constructor(t=new yi,e=new yi,n=new yi){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new yi){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(hh(t,i.x,r.x,s.x),hh(t,i.y,r.y,s.y),hh(t,i.z,r.z,s.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class _h extends th{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new kn){const n=e,i=this.points,r=(i.length-1)*t,s=Math.floor(r),a=r-s,o=i[0===s?s:s-1],l=i[s],c=i[s>i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(ch(a,o.x,l.x,c.x,h.x),ch(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new kn).fromArray(n))}return this}}var yh=Object.freeze({__proto__:null,ArcCurve:nh,CatmullRomCurve3:lh,CubicBezierCurve:dh,CubicBezierCurve3:ph,EllipseCurve:eh,LineCurve:fh,LineCurve3:mh,QuadraticBezierCurve:gh,QuadraticBezierCurve3:vh,SplineCurve:_h});class xh extends th{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);t.equals(e)||this.curves.push(new fh(e,t))}getPoint(t,e){const n=t*this.getLength(),i=this.getCurveLengths();let r=0;for(;r<i.length;){if(i[r]>=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n<i;n++)e+=this.curves[n].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const s=r[i],a=s.isEllipseCurve?2*t:s.isLineCurve||s.isLineCurve3?1:s.isSplineCurve?t*s.points.length:t,o=s.getPoints(a);for(let t=0;t<o.length;t++){const i=o[t];n&&n.equals(i)||(e.push(i),n=i)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push(n.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,n=this.curves.length;e<n;e++){const n=this.curves[e];t.curves.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push((new yh[n.type]).fromJSON(n))}return this}}class Mh extends xh{constructor(t){super(),this.type="Path",this.currentPoint=new kn,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,n=t.length;e<n;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const n=new fh(this.currentPoint.clone(),new kn(t,e));return this.curves.push(n),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,n,i){const r=new gh(this.currentPoint.clone(),new kn(t,e),new kn(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(t,e,n,i,r,s){const a=new dh(this.currentPoint.clone(),new kn(t,e),new kn(n,i),new kn(r,s));return this.curves.push(a),this.currentPoint.set(r,s),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),n=new _h(e);return this.curves.push(n),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,n,i,r,s){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,n,i,r,s),this}absarc(t,e,n,i,r,s){return this.absellipse(t,e,n,n,i,r,s),this}ellipse(t,e,n,i,r,s,a,o){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(t+l,e+c,n,i,r,s,a,o),this}absellipse(t,e,n,i,r,s,a,o){const l=new eh(t,e,n,i,r,s,a,o);if(this.curves.length>0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Sh extends ps{constructor(t=[new kn(0,-.5),new kn(.5,0),new kn(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=In(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new yi,u=new kn,d=new yi,p=new yi,f=new yi;let m=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:m=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-m,d.z=0*g,f.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(f.x,f.y,f.z);break;default:m=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-m,d.z=0*g,p.copy(d),d.x+=f.x,d.y+=f.y,d.z+=f.z,d.normalize(),o.push(d.x,d.y,d.z),f.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),f=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*f,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*f;l.push(i,c,d)}}for(let n=0;n<e;n++)for(let e=0;e<t.length-1;e++){const i=e+n*t.length,s=i,a=i+t.length,o=i+t.length+1,l=i+1;r.push(s,a,l),r.push(o,l,a)}this.setIndex(r),this.setAttribute("position",new rs(s,3)),this.setAttribute("uv",new rs(a,2)),this.setAttribute("normal",new rs(l,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Sh(t.points,t.segments,t.phiStart,t.phiLength)}}class bh extends Sh{constructor(t=1,e=1,n=4,i=8){const r=new Mh;r.absarc(0,-e/2,t,1.5*Math.PI,0),r.absarc(0,e/2,t,0,.5*Math.PI),super(r.getPoints(n),i),this.type="CapsuleGeometry",this.parameters={radius:t,length:e,capSegments:n,radialSegments:i}}static fromJSON(t){return new bh(t.radius,t.length,t.capSegments,t.radialSegments)}}class Eh extends ps{constructor(t=1,e=32,n=0,i=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:n,thetaLength:i},e=Math.max(3,e);const r=[],s=[],a=[],o=[],l=new yi,c=new kn;s.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,h=3;r<=e;r++,h+=3){const u=n+r/e*i;l.x=t*Math.cos(u),l.y=t*Math.sin(u),s.push(l.x,l.y,l.z),a.push(0,0,1),c.x=(s[h]/t+1)/2,c.y=(s[h+1]/t+1)/2,o.push(c.x,c.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new rs(s,3)),this.setAttribute("normal",new rs(a,3)),this.setAttribute("uv",new rs(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Eh(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class Th extends ps{constructor(t=1,e=1,n=1,i=32,r=1,s=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:n,radialSegments:i,heightSegments:r,openEnded:s,thetaStart:a,thetaLength:o};const l=this;i=Math.floor(i),r=Math.floor(r);const c=[],h=[],u=[],d=[];let p=0;const f=[],m=n/2;let g=0;function v(n){const r=p,s=new kn,f=new yi;let v=0;const _=!0===n?t:e,y=!0===n?1:-1;for(let t=1;t<=i;t++)h.push(0,m*y,0),u.push(0,y,0),d.push(.5,.5),p++;const x=p;for(let t=0;t<=i;t++){const e=t/i*o+a,n=Math.cos(e),r=Math.sin(e);f.x=_*r,f.y=m*y,f.z=_*n,h.push(f.x,f.y,f.z),u.push(0,y,0),s.x=.5*n+.5,s.y=.5*r*y+.5,d.push(s.x,s.y),p++}for(let t=0;t<i;t++){const e=r+t,i=x+t;!0===n?c.push(i,i+1,e):c.push(i+1,i,e),v+=3}l.addGroup(g,v,!0===n?1:2),g+=v}!function(){const s=new yi,v=new yi;let _=0;const y=(e-t)/n;for(let l=0;l<=r;l++){const c=[],g=l/r,_=g*(e-t)+t;for(let t=0;t<=i;t++){const e=t/i,r=e*o+a,l=Math.sin(r),f=Math.cos(r);v.x=_*l,v.y=-g*n+m,v.z=_*f,h.push(v.x,v.y,v.z),s.set(l,y,f).normalize(),u.push(s.x,s.y,s.z),d.push(e,1-g),c.push(p++)}f.push(c)}for(let t=0;t<i;t++)for(let e=0;e<r;e++){const n=f[e][t],i=f[e+1][t],r=f[e+1][t+1],s=f[e][t+1];c.push(n,i,s),c.push(i,r,s),_+=6}l.addGroup(g,_,0),g+=_}(),!1===s&&(t>0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new rs(h,3)),this.setAttribute("normal",new rs(u,3)),this.setAttribute("uv",new rs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Th(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class wh extends Th{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new wh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Ah extends ps{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const n=Math.floor(e/2);e%2==0?(o(s[t][n+1]),o(s[t+1][n]),o(s[t][n])):(o(s[t][n+1]),o(s[t+1][n+1]),o(s[t+1][n]))}}function o(t){r.push(t.x,t.y,t.z)}function l(e,n){const i=3*e;n.x=t[i+0],n.y=t[i+1],n.z=t[i+2]}function c(t,e,n,i){i<0&&1===t.x&&(s[e]=t.x-1),0===n.x&&0===n.z&&(s[e]=i/2/Math.PI+.5)}function h(t){return Math.atan2(t.z,-t.x)}!function(t){const n=new yi,i=new yi,r=new yi;for(let s=0;s<e.length;s+=3)l(e[s+0],n),l(e[s+1],i),l(e[s+2],r),a(n,i,r,t)}(i),function(t){const e=new yi;for(let n=0;n<r.length;n+=3)e.x=r[n+0],e.y=r[n+1],e.z=r[n+2],e.normalize().multiplyScalar(t),r[n+0]=e.x,r[n+1]=e.y,r[n+2]=e.z}(n),function(){const t=new yi;for(let n=0;n<r.length;n+=3){t.x=r[n+0],t.y=r[n+1],t.z=r[n+2];const i=h(t)/2/Math.PI+.5,a=(e=t,Math.atan2(-e.y,Math.sqrt(e.x*e.x+e.z*e.z))/Math.PI+.5);s.push(i,1-a)}var e;(function(){const t=new yi,e=new yi,n=new yi,i=new yi,a=new kn,o=new kn,l=new kn;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),n.set(r[u+6],r[u+7],r[u+8]),a.set(s[d+0],s[d+1]),o.set(s[d+2],s[d+3]),l.set(s[d+4],s[d+5]),i.copy(t).add(e).add(n).divideScalar(3);const p=h(i);c(a,d+0,t,p),c(o,d+2,e,p),c(l,d+4,n,p)}})(),function(){for(let t=0;t<s.length;t+=6){const e=s[t+0],n=s[t+2],i=s[t+4],r=Math.max(e,n,i),a=Math.min(e,n,i);r>.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new rs(r,3)),this.setAttribute("normal",new rs(r.slice(),3)),this.setAttribute("uv",new rs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ah(t.vertices,t.indices,t.radius,t.details)}}class Rh extends Ah{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Rh(t.radius,t.detail)}}const Ch=new yi,Lh=new yi,Ph=new yi,Ih=new Ir;class Uh extends ps{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Cn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){s?(l[0]=s.getX(t),l[1]=s.getX(t+1),l[2]=s.getX(t+2)):(l[0]=t,l[1]=t+1,l[2]=t+2);const{a:e,b:n,c:o}=Ih;if(e.fromBufferAttribute(a,l[0]),n.fromBufferAttribute(a,l[1]),o.fromBufferAttribute(a,l[2]),Ih.getNormal(Ph),h[0]=`${Math.round(e.x*i)},${Math.round(e.y*i)},${Math.round(e.z*i)}`,h[1]=`${Math.round(n.x*i)},${Math.round(n.y*i)},${Math.round(n.z*i)}`,h[2]=`${Math.round(o.x*i)},${Math.round(o.y*i)},${Math.round(o.z*i)}`,h[0]!==h[1]&&h[1]!==h[2]&&h[2]!==h[0])for(let t=0;t<3;t++){const e=(t+1)%3,n=h[t],i=h[e],s=Ih[c[t]],a=Ih[c[e]],o=`${n}_${i}`,p=`${i}_${n}`;p in u&&u[p]?(Ph.dot(u[p].normal)<=r&&(d.push(s.x,s.y,s.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:l[t],index1:l[e],normal:Ph.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:n}=u[t];Ch.fromBufferAttribute(a,e),Lh.fromBufferAttribute(a,n),d.push(Ch.x,Ch.y,Ch.z),d.push(Lh.x,Lh.y,Lh.z)}this.setAttribute("position",new rs(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class Nh extends Mh{constructor(t){super(t),this.uuid=Pn(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let n=0,i=this.holes.length;n<i;n++)e[n]=this.holes[n].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,n=this.holes.length;e<n;e++){const n=this.holes[e];t.holes.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push((new Mh).fromJSON(n))}return this}}const Dh=function(t,e,n=2){const i=e&&e.length,r=i?e[0]*n:t.length;let s=Oh(t,0,r,n,!0);const a=[];if(!s||s.next===s.prev)return a;let o,l,c,h,u,d,p;if(i&&(s=function(t,e,n,i){const r=[];let 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e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=w.length;t<e;t++){const e=A(w[t],P[t],i);F(e.x,e.y,-n)}for(let t=0,e=E.length;t<e;t++){const e=E[t];U=I[t];for(let t=0,r=e.length;t<r;t++){const r=A(e[t],U[t],i);F(r.x,r.y,-n)}}}const D=u+d;for(let t=0;t<R;t++){const e=c?A(b[t],N[t],D):b[t];M?(y.copy(v.normals[0]).multiplyScalar(e.x),_.copy(v.binormals[0]).multiplyScalar(e.y),x.copy(g[0]).add(y).add(_),F(x.x,x.y,x.z)):F(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<R;e++){const n=c?A(b[e],N[e],D):b[e];M?(y.copy(v.normals[t]).multiplyScalar(n.x),_.copy(v.binormals[t]).multiplyScalar(n.y),x.copy(g[t]).add(y).add(_),F(x.x,x.y,x.z)):F(n.x,n.y,l/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=w.length;t<e;t++){const e=A(w[t],P[t],i);F(e.x,e.y,l+n)}for(let t=0,e=E.length;t<e;t++){const e=E[t];U=I[t];for(let t=0,r=e.length;t<r;t++){const 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e=T[t];z(e[0]+R*o,e[1]+R*o,e[2]+R*o)}}n.addGroup(t,i.length/3-t,0)}(),function(){const t=i.length/3;let e=0;O(w,e),e+=w.length;for(let t=0,n=E.length;t<n;t++){const n=E[t];O(n,e),e+=n.length}n.addGroup(t,i.length/3-t,1)}()}this.setAttribute("position",new rs(i,3)),this.setAttribute("uv",new rs(r,2)),this.computeVertexNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e,n){if(n.shapes=[],Array.isArray(t))for(let e=0,i=t.length;e<i;e++){const i=t[e];n.shapes.push(i.uuid)}else n.shapes.push(t.uuid);n.options=Object.assign({},e),void 0!==e.extrudePath&&(n.options.extrudePath=e.extrudePath.toJSON());return n}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}const i=t.options.extrudePath;return void 0!==i&&(t.options.extrudePath=(new yh[i.type]).fromJSON(i)),new cu(n,t.options)}}const hu={generateTopUV:function(t,e,n,i,r){const s=e[3*n],a=e[3*n+1],o=e[3*i],l=e[3*i+1],c=e[3*r],h=e[3*r+1];return[new kn(s,a),new kn(o,l),new kn(c,h)]},generateSideWallUV:function(t,e,n,i,r,s){const a=e[3*n],o=e[3*n+1],l=e[3*n+2],c=e[3*i],h=e[3*i+1],u=e[3*i+2],d=e[3*r],p=e[3*r+1],f=e[3*r+2],m=e[3*s],g=e[3*s+1],v=e[3*s+2];return Math.abs(o-h)<Math.abs(a-c)?[new kn(a,1-l),new kn(c,1-u),new kn(d,1-f),new kn(m,1-v)]:[new kn(o,1-l),new kn(h,1-u),new kn(p,1-f),new kn(g,1-v)]}};class uu extends Ah{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2;super([-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new uu(t.radius,t.detail)}}class du extends Ah{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new du(t.radius,t.detail)}}class pu extends ps{constructor(t=.5,e=1,n=32,i=1,r=0,s=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:n,phiSegments:i,thetaStart:r,thetaLength:s},n=Math.max(3,n);const a=[],o=[],l=[],c=[];let h=t;const u=(e-t)/(i=Math.max(1,i)),d=new yi,p=new kn;for(let t=0;t<=i;t++){for(let t=0;t<=n;t++){const i=r+t/n*s;d.x=h*Math.cos(i),d.y=h*Math.sin(i),o.push(d.x,d.y,d.z),l.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,c.push(p.x,p.y)}h+=u}for(let t=0;t<i;t++){const e=t*(n+1);for(let t=0;t<n;t++){const i=t+e,r=i,s=i+n+1,o=i+n+2,l=i+1;a.push(r,s,l),a.push(s,o,l)}}this.setIndex(a),this.setAttribute("position",new rs(o,3)),this.setAttribute("normal",new rs(l,3)),this.setAttribute("uv",new rs(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new pu(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class fu extends ps{constructor(t=new Nh([new kn(0,.5),new kn(-.5,-.5),new kn(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const n=[],i=[],r=[],s=[];let a=0,o=0;if(!1===Array.isArray(t))l(t);else for(let e=0;e<t.length;e++)l(t[e]),this.addGroup(a,o,e),a+=o,o=0;function l(t){const a=i.length/3,l=t.extractPoints(e);let c=l.shape;const h=l.holes;!1===au.isClockWise(c)&&(c=c.reverse());for(let t=0,e=h.length;t<e;t++){const e=h[t];!0===au.isClockWise(e)&&(h[t]=e.reverse())}const u=au.triangulateShape(c,h);for(let t=0,e=h.length;t<e;t++){const e=h[t];c=c.concat(e)}for(let t=0,e=c.length;t<e;t++){const e=c[t];i.push(e.x,e.y,0),r.push(0,0,1),s.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],i=e[0]+a,r=e[1]+a,s=e[2]+a;n.push(i,r,s),o+=3}}this.setIndex(n),this.setAttribute("position",new rs(i,3)),this.setAttribute("normal",new rs(r,3)),this.setAttribute("uv",new rs(s,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let n=0,i=t.length;n<i;n++){const i=t[n];e.shapes.push(i.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}return new fu(n,t.curveSegments)}}class mu extends ps{constructor(t=1,e=32,n=16,i=0,r=2*Math.PI,s=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:n,phiStart:i,phiLength:r,thetaStart:s,thetaLength:a},e=Math.max(3,Math.floor(e)),n=Math.max(2,Math.floor(n));const o=Math.min(s+a,Math.PI);let l=0;const c=[],h=new yi,u=new yi,d=[],p=[],f=[],m=[];for(let d=0;d<=n;d++){const g=[],v=d/n;let _=0;0===d&&0===s?_=.5/e:d===n&&o===Math.PI&&(_=-.5/e);for(let n=0;n<=e;n++){const o=n/e;h.x=-t*Math.cos(i+o*r)*Math.sin(s+v*a),h.y=t*Math.cos(s+v*a),h.z=t*Math.sin(i+o*r)*Math.sin(s+v*a),p.push(h.x,h.y,h.z),u.copy(h).normalize(),f.push(u.x,u.y,u.z),m.push(o+_,1-v),g.push(l++)}c.push(g)}for(let t=0;t<n;t++)for(let i=0;i<e;i++){const e=c[t][i+1],r=c[t][i],a=c[t+1][i],l=c[t+1][i+1];(0!==t||s>0)&&d.push(e,r,l),(t!==n-1||o<Math.PI)&&d.push(r,a,l)}this.setIndex(d),this.setAttribute("position",new rs(p,3)),this.setAttribute("normal",new rs(f,3)),this.setAttribute("uv",new rs(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new mu(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class gu extends Ah{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new gu(t.radius,t.detail)}}class vu extends ps{constructor(t=1,e=.4,n=12,i=48,r=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:n,tubularSegments:i,arc:r},n=Math.floor(n),i=Math.floor(i);const s=[],a=[],o=[],l=[],c=new yi,h=new yi,u=new yi;for(let s=0;s<=n;s++)for(let d=0;d<=i;d++){const p=d/i*r,f=s/n*Math.PI*2;h.x=(t+e*Math.cos(f))*Math.cos(p),h.y=(t+e*Math.cos(f))*Math.sin(p),h.z=e*Math.sin(f),a.push(h.x,h.y,h.z),c.x=t*Math.cos(p),c.y=t*Math.sin(p),u.subVectors(h,c).normalize(),o.push(u.x,u.y,u.z),l.push(d/i),l.push(s/n)}for(let t=1;t<=n;t++)for(let e=1;e<=i;e++){const n=(i+1)*t+e-1,r=(i+1)*(t-1)+e-1,a=(i+1)*(t-1)+e,o=(i+1)*t+e;s.push(n,r,o),s.push(r,a,o)}this.setIndex(s),this.setAttribute("position",new rs(a,3)),this.setAttribute("normal",new rs(o,3)),this.setAttribute("uv",new rs(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vu(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class _u extends ps{constructor(t=1,e=.4,n=64,i=8,r=2,s=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:n,radialSegments:i,p:r,q:s},n=Math.floor(n),i=Math.floor(i);const a=[],o=[],l=[],c=[],h=new yi,u=new yi,d=new yi,p=new yi,f=new yi,m=new yi,g=new yi;for(let a=0;a<=n;++a){const _=a/n*r*Math.PI*2;v(_,r,s,t,d),v(_+.01,r,s,t,p),m.subVectors(p,d),g.addVectors(p,d),f.crossVectors(m,g),g.crossVectors(f,m),f.normalize(),g.normalize();for(let t=0;t<=i;++t){const r=t/i*Math.PI*2,s=-e*Math.cos(r),p=e*Math.sin(r);h.x=d.x+(s*g.x+p*f.x),h.y=d.y+(s*g.y+p*f.y),h.z=d.z+(s*g.z+p*f.z),o.push(h.x,h.y,h.z),u.subVectors(h,d).normalize(),l.push(u.x,u.y,u.z),c.push(a/n),c.push(t/i)}}for(let t=1;t<=n;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),s=(i+1)*t+e,o=(i+1)*(t-1)+e;a.push(n,r,o),a.push(r,s,o)}function v(t,e,n,i,r){const s=Math.cos(t),a=Math.sin(t),o=n/e*t,l=Math.cos(o);r.x=i*(2+l)*.5*s,r.y=i*(2+l)*a*.5,r.z=i*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new rs(o,3)),this.setAttribute("normal",new rs(l,3)),this.setAttribute("uv",new rs(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new _u(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class yu extends ps{constructor(t=new vh(new yi(-1,-1,0),new yi(-1,1,0),new yi(1,1,0)),e=64,n=1,i=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:n,radialSegments:i,closed:r};const s=t.computeFrenetFrames(e,r);this.tangents=s.tangents,this.normals=s.normals,this.binormals=s.binormals;const a=new yi,o=new yi,l=new kn;let c=new yi;const h=[],u=[],d=[],p=[];function f(r){c=t.getPointAt(r/e,c);const l=s.normals[r],d=s.binormals[r];for(let t=0;t<=i;t++){const e=t/i*Math.PI*2,r=Math.sin(e),s=-Math.cos(e);o.x=s*l.x+r*d.x,o.y=s*l.y+r*d.y,o.z=s*l.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=c.x+n*o.x,a.y=c.y+n*o.y,a.z=c.z+n*o.z,h.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)f(t);f(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let n=0;n<=i;n++)l.x=t/e,l.y=n/i,d.push(l.x,l.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),s=(i+1)*t+e,a=(i+1)*(t-1)+e;p.push(n,r,a),p.push(r,s,a)}}()}(),this.setIndex(p),this.setAttribute("position",new rs(h,3)),this.setAttribute("normal",new rs(u,3)),this.setAttribute("uv",new rs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new yu((new yh[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class xu extends ps{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],n=new Set,i=new yi,r=new yi;if(null!==t.index){const s=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,l=o.length;t<l;++t){const l=o[t],c=l.start;for(let t=c,o=c+l.count;t<o;t+=3)for(let o=0;o<3;o++){const l=a.getX(t+o),c=a.getX(t+(o+1)%3);i.fromBufferAttribute(s,l),r.fromBufferAttribute(s,c),!0===Mu(i,r,n)&&(e.push(i.x,i.y,i.z),e.push(r.x,r.y,r.z))}}}else{const s=t.attributes.position;for(let t=0,a=s.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,l=3*t+(a+1)%3;i.fromBufferAttribute(s,o),r.fromBufferAttribute(s,l),!0===Mu(i,r,n)&&(e.push(i.x,i.y,i.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new rs(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function Mu(t,e,n){const i=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==n.has(i)&&!0!==n.has(r)&&(n.add(i),n.add(r),!0)}var Su=Object.freeze({__proto__:null,BoxGeometry:Us,CapsuleGeometry:bh,CircleGeometry:Eh,ConeGeometry:wh,CylinderGeometry:Th,DodecahedronGeometry:Rh,EdgesGeometry:Uh,ExtrudeGeometry:cu,IcosahedronGeometry:uu,LatheGeometry:Sh,OctahedronGeometry:du,PlaneGeometry:ta,PolyhedronGeometry:Ah,RingGeometry:pu,ShapeGeometry:fu,SphereGeometry:mu,TetrahedronGeometry:gu,TorusGeometry:vu,TorusKnotGeometry:_u,TubeGeometry:yu,WireframeGeometry:xu});class bu extends Nr{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Br(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}class Eu extends zs{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Tu extends Nr{constructor(t){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new Br(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new kn(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class wu extends Tu{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new kn(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return In(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Br(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Br(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Br(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Au extends Nr{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Br(16777215),this.specular=new Br(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new kn(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=X,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Ru extends Nr{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Br(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new kn(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Cu extends Nr{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new kn(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Lu extends Nr{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Br(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new kn(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=X,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Pu extends Nr{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Br(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new kn(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Iu extends Lc{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Uu(t,e,n){return Du(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)}function Nu(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function Du(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Ou(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Fu(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function zu(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Bu={arraySlice:Uu,convertArray:Nu,isTypedArray:Du,getKeyframeOrder:Ou,sortedArray:Fu,flattenJSON:zu,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t<s.tracks.length;++t){const e=s.tracks[t],o=e.getValueSize(),l=[],c=[];for(let t=0;t<e.times.length;++t){const s=e.times[t]*r;if(!(s<n||s>=i)){l.push(e.times[t]);for(let n=0;n<o;++n)c.push(e.values[t*o+n])}}0!==l.length&&(e.times=Nu(l,e.times.constructor),e.values=Nu(c,e.values.constructor),a.push(e))}s.tracks=a;let o=1/0;for(let t=0;t<s.tracks.length;++t)o>s.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t<s.tracks.length;++t)s.tracks[t].shift(-1*o);return s.resetDuration(),s},makeClipAdditive:function(t,e=0,n=t,i=30){i<=0&&(i=30);const r=n.tracks.length,s=e/i;for(let e=0;e<r;++e){const i=n.tracks[e],r=i.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find((function(t){return t.name===i.name&&t.ValueTypeName===r}));if(void 0===a)continue;let o=0;const l=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=l/3);let c=0;const h=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(c=h/3);const u=i.times.length-1;let d;if(s<=i.times[0]){const t=o,e=l-o;d=Uu(i.values,t,e)}else if(s>=i.times[u]){const t=u*l+o,e=t+l-o;d=Uu(i.values,t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=Uu(t.resultBuffer,e,n)}if("quaternion"===r){(new _i).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t<p;++t){const e=t*h+c;if("quaternion"===r)_i.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=h-2*c;for(let n=0;n<t;++n)a.values[e+n]-=d[n]}}}return t.blendMode=Ae,t}};class Hu{constructor(t,e,n,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(n),this.sampleValues=e,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let n=this._cachedIndex,i=e[n],r=e[n-1];t:{e:{let s;n:{i:if(!(t<i)){for(let s=n+2;;){if(void 0===i){if(t<r)break i;return n=e.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===s)break;if(r=i,i=e[++n],t<i)break e}s=e.length;break n}if(t>=r)break t;{const a=e[1];t<a&&(n=2,r=a);for(let s=n-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(n===s)break;if(i=r,r=e[--n-1],t>=r)break e}s=n,n=0}}for(;n<s;){const i=n+s>>>1;t<e[i]?s=i:n=i+1}if(i=e[n],r=e[n-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===i)return n=e.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,t,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i;for(let t=0;t!==i;++t)e[t]=n[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class ku extends Hu{constructor(t,e,n,i){super(t,e,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:be,endingEnd:be}}intervalChanged_(t,e,n){const i=this.parameterPositions;let r=t-2,s=t+1,a=i[r],o=i[s];if(void 0===a)switch(this.getSettings_().endingStart){case Ee:r=t,a=2*e-n;break;case Te:r=i.length-2,a=e+i[r]-i[r+1];break;default:r=t,a=n}if(void 0===o)switch(this.getSettings_().endingEnd){case Ee:s=t,o=2*n-e;break;case Te:s=1,o=n+i[1]-i[0];break;default:s=t-1,o=e}const l=.5*(n-e),c=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-n),this._offsetPrev=r*c,this._offsetNext=s*c}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(n-e)/(i-e),f=p*p,m=f*p,g=-u*m+2*u*f-u*p,v=(1+u)*m+(-1.5-2*u)*f+(-.5+u)*p+1,_=(-1-d)*m+(1.5+d)*f+.5*p,y=d*m-d*f;for(let t=0;t!==a;++t)r[t]=g*s[c+t]+v*s[l+t]+_*s[o+t]+y*s[h+t];return r}}class Vu extends Hu{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=(n-e)/(i-e),h=1-c;for(let t=0;t!==a;++t)r[t]=s[l+t]*h+s[o+t]*c;return r}}class Gu extends Hu{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t){return this.copySampleValue_(t-1)}}class Wu{constructor(t,e,n,i){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=Nu(e,this.TimeBufferType),this.values=Nu(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let n;if(e.toJSON!==this.toJSON)n=e.toJSON(t);else{n={name:t.name,times:Nu(t.times,Array),values:Nu(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(n.interpolation=e)}return n.type=t.ValueTypeName,n}InterpolantFactoryMethodDiscrete(t){return new Gu(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new Vu(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new ku(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case xe:e=this.InterpolantFactoryMethodDiscrete;break;case Me:e=this.InterpolantFactoryMethodLinear;break;case Se:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return xe;case this.InterpolantFactoryMethodLinear:return Me;case this.InterpolantFactoryMethodSmooth:return Se}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]*=t}return this}trim(t,e){const n=this.times,i=n.length;let r=0,s=i-1;for(;r!==i&&n[r]<t;)++r;for(;-1!==s&&n[s]>e;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=Uu(n,r,s),this.values=Uu(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&Du(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=Uu(this.times),e=Uu(this.values),n=this.getValueSize(),i=this.getInterpolation()===Se,r=t.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(i)r=!0;else{const t=a*n,i=t-n,s=t+n;for(let a=0;a!==n;++a){const n=e[t+a];if(n!==e[i+a]||n!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const i=a*n,r=s*n;for(let t=0;t!==n;++t)e[r+t]=e[i+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=Uu(t,0,s),this.values=Uu(e,0,s*n)):(this.times=t,this.values=e),this}clone(){const t=Uu(this.times,0),e=Uu(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Wu.prototype.TimeBufferType=Float32Array,Wu.prototype.ValueBufferType=Float32Array,Wu.prototype.DefaultInterpolation=Me;class Xu extends Wu{}Xu.prototype.ValueTypeName="bool",Xu.prototype.ValueBufferType=Array,Xu.prototype.DefaultInterpolation=xe,Xu.prototype.InterpolantFactoryMethodLinear=void 0,Xu.prototype.InterpolantFactoryMethodSmooth=void 0;class ju extends Wu{}ju.prototype.ValueTypeName="color";class qu extends Wu{}qu.prototype.ValueTypeName="number";class Yu extends Hu{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)_i.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Zu extends Wu{InterpolantFactoryMethodLinear(t){return new Yu(this.times,this.values,this.getValueSize(),t)}}Zu.prototype.ValueTypeName="quaternion",Zu.prototype.DefaultInterpolation=Me,Zu.prototype.InterpolantFactoryMethodSmooth=void 0;class Ju extends Wu{}Ju.prototype.ValueTypeName="string",Ju.prototype.ValueBufferType=Array,Ju.prototype.DefaultInterpolation=xe,Ju.prototype.InterpolantFactoryMethodLinear=void 0,Ju.prototype.InterpolantFactoryMethodSmooth=void 0;class Ku extends Wu{}Ku.prototype.ValueTypeName="vector";class $u{constructor(t,e=-1,n,i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Pn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Qu(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Wu.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const l=Ou(a);a=Fu(a,1,l),o=Fu(o,1,l),i||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new qu(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/n))}return new this(t,-1,s)}static findByName(t,e){let n=t;if(!Array.isArray(t)){const e=t;n=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<n.length;t++)if(n[t].name===e)return n[t];return null}static CreateClipsFromMorphTargetSequences(t,e,n){const i={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,n=t.length;e<n;e++){const n=t[e],s=n.name.match(r);if(s&&s.length>1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];zu(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let n=0;n<r[e].morphTargets.length;n++)t[r[e].morphTargets[n]]=-1;for(const n in t){const t=[],s=[];for(let i=0;i!==r[e].morphTargets.length;++i){const i=r[e];t.push(i.time),s.push(i.morphTarget===n?1:0)}i.push(new qu(".morphTargetInfluence["+n+"]",t,s))}o=t.length*s}else{const s=".bones["+e[t].name+"]";n(Ku,s+".position",r,"pos",i),n(Zu,s+".quaternion",r,"rot",i),n(Ku,s+".scale",r,"scl",i)}}if(0===i.length)return null;return new this(r,o,i,a)}resetDuration(){let t=0;for(let e=0,n=this.tracks.length;e!==n;++e){const n=this.tracks[e];t=Math.max(t,n.times[n.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function Qu(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return qu;case"vector":case"vector2":case"vector3":case"vector4":return Ku;case"color":return ju;case"quaternion":return Zu;case"bool":case"boolean":return Xu;case"string":return Ju}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],n=[];zu(t.keys,e,n,"value"),t.times=e,t.values=n}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const td={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class ed{constructor(t,e,n){const i=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=n,this.itemStart=function(t){o++,!1===s&&void 0!==i.onStart&&i.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==i.onProgress&&i.onProgress(t,a,o),a===o&&(s=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(t){void 0!==i.onError&&i.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,n=l.length;e<n;e+=2){const n=l[e],i=l[e+1];if(n.global&&(n.lastIndex=0),n.test(t))return i}return null}}}const nd=new ed;class id{constructor(t){this.manager=void 0!==t?t:nd,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(t,e){const n=this;return new Promise((function(i,r){n.load(t,i,e,r)}))}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}}id.DEFAULT_MATERIAL_NAME="__DEFAULT";const rd={};class sd extends Error{constructor(t,e){super(t),this.response=e}}class ad extends id{constructor(t){super(t)}load(t,e,n,i){void 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ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t<e;t++){const e=n[t];e.onProgress&&e.onProgress(i)}t.enqueue(r),e()}}))}()}});return new Response(l)}throw new sd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{td.add(t,e);const n=rd[t];delete rd[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onLoad&&i.onLoad(e)}})).catch((e=>{const n=rd[t];if(void 0===n)throw this.manager.itemError(t),e;delete rd[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onError&&i.onError(e)}this.manager.itemError(t)})).finally((()=>{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class od extends id{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new ad(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n<t.length;n++){const i=$u.parse(t[n]);e.push(i)}return e}}class ld extends id{constructor(t){super(t)}load(t,e,n,i){const r=this,s=[],a=new Jc,o=new ad(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let l=0;function c(c){o.load(t[c],(function(t){const n=r.parse(t,!0);s[c]={width:n.width,height:n.height,format:n.format,mipmaps:n.mipmaps},l+=1,6===l&&(1===n.mipmapCount&&(a.minFilter=ft),a.image=s,a.format=n.format,a.needsUpdate=!0,e&&e(a))}),n,i)}if(Array.isArray(t))for(let e=0,n=t.length;e<n;++e)c(e);else o.load(t,(function(t){const n=r.parse(t,!0);if(n.isCubemap){const t=n.mipmaps.length/n.mipmapCount;for(let e=0;e<t;e++){s[e]={mipmaps:[]};for(let t=0;t<n.mipmapCount;t++)s[e].mipmaps.push(n.mipmaps[e*n.mipmapCount+t]),s[e].format=n.format,s[e].width=n.width,s[e].height=n.height}a.image=s}else a.image.width=n.width,a.image.height=n.height,a.mipmaps=n.mipmaps;1===n.mipmapCount&&(a.minFilter=ft),a.format=n.format,a.needsUpdate=!0,e&&e(a)}),n,i);return a}}class cd extends id{constructor(t){super(t)}load(t,e,n,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=td.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=qn("img");function o(){c(),td.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){c(),i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}function c(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}class hd extends id{constructor(t){super(t)}load(t,e,n,i){const r=new Gs;r.colorSpace=ze;const s=new cd(this.manager);s.setCrossOrigin(this.crossOrigin),s.setPath(this.path);let a=0;function o(n){s.load(t[n],(function(t){r.images[n]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))}),void 0,i)}for(let e=0;e<t.length;++e)o(e);return r}}class ud extends id{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new vc,a=new ad(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){let n;try{n=r.parse(t)}catch(t){if(void 0===i)return void console.error(t);i(t)}if(!n)return i();void 0!==n.image?s.image=n.image:void 0!==n.data&&(s.image.width=n.width,s.image.height=n.height,s.image.data=n.data),s.wrapS=void 0!==n.wrapS?n.wrapS:ot,s.wrapT=void 0!==n.wrapT?n.wrapT:ot,s.magFilter=void 0!==n.magFilter?n.magFilter:ft,s.minFilter=void 0!==n.minFilter?n.minFilter:ft,s.anisotropy=void 0!==n.anisotropy?n.anisotropy:1,void 0!==n.colorSpace?s.colorSpace=n.colorSpace:void 0!==n.encoding&&(s.encoding=n.encoding),void 0!==n.flipY&&(s.flipY=n.flipY),void 0!==n.format&&(s.format=n.format),void 0!==n.type&&(s.type=n.type),void 0!==n.mipmaps&&(s.mipmaps=n.mipmaps,s.minFilter=vt),1===n.mipmapCount&&(s.minFilter=ft),void 0!==n.generateMipmaps&&(s.generateMipmaps=n.generateMipmaps),s.needsUpdate=!0,e&&e(s,n)}),n,i),s}}class dd extends id{constructor(t){super(t)}load(t,e,n,i){const r=new ci,s=new cd(this.manager);return s.setCrossOrigin(this.crossOrigin),s.setPath(this.path),s.load(t,(function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)}),n,i),r}}class pd extends xr{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Br(t),this.intensity=e}dispose(){}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}class fd extends pd{constructor(t,e,n){super(t,n),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(xr.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Br(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}}const md=new Zi,gd=new yi,vd=new yi;class _d{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new kn(512,512),this.map=null,this.mapPass=null,this.matrix=new Zi,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Ks,this._frameExtents=new kn(1,1),this._viewportCount=1,this._viewports=[new hi(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,n=this.matrix;gd.setFromMatrixPosition(t.matrixWorld),e.position.copy(gd),vd.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(vd),e.updateMatrixWorld(),md.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(md),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(md)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}class yd extends _d{constructor(){super(new Hs(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(t){const e=this.camera,n=2*Ln*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;n===e.fov&&i===e.aspect&&r===e.far||(e.fov=n,e.aspect=i,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class xd extends pd{constructor(t,e,n=0,i=Math.PI/3,r=0,s=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(xr.DEFAULT_UP),this.updateMatrix(),this.target=new xr,this.distance=n,this.angle=i,this.penumbra=r,this.decay=s,this.map=null,this.shadow=new yd}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}const Md=new Zi,Sd=new yi,bd=new yi;class Ed extends _d{constructor(){super(new Hs(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new kn(4,2),this._viewportCount=6,this._viewports=[new hi(2,1,1,1),new hi(0,1,1,1),new hi(3,1,1,1),new hi(1,1,1,1),new hi(3,0,1,1),new hi(1,0,1,1)],this._cubeDirections=[new yi(1,0,0),new yi(-1,0,0),new yi(0,0,1),new yi(0,0,-1),new yi(0,1,0),new yi(0,-1,0)],this._cubeUps=[new yi(0,1,0),new yi(0,1,0),new yi(0,1,0),new yi(0,1,0),new yi(0,0,1),new yi(0,0,-1)]}updateMatrices(t,e=0){const n=this.camera,i=this.matrix,r=t.distance||n.far;r!==n.far&&(n.far=r,n.updateProjectionMatrix()),Sd.setFromMatrixPosition(t.matrixWorld),n.position.copy(Sd),bd.copy(n.position),bd.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(bd),n.updateMatrixWorld(),i.makeTranslation(-Sd.x,-Sd.y,-Sd.z),Md.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Md)}}class Td extends pd{constructor(t,e,n=0,i=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Ed}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}class wd extends _d{constructor(){super(new ua(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class Ad extends pd{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(xr.DEFAULT_UP),this.updateMatrix(),this.target=new xr,this.shadow=new wd}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}class Rd extends pd{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class Cd extends pd{constructor(t,e,n=10,i=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=n,this.height=i}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class Ld{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new yi)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*i),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*n),e.addScaledVector(s[4],n*i*1.092548),e.addScaledVector(s[5],i*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],n*r*1.092548),e.addScaledVector(s[8],.546274*(n*n-i*i)),e}getIrradianceAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*i),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*n),e.addScaledVector(s[4],.858086*n*i),e.addScaledVector(s[5],.858086*i*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*n*r),e.addScaledVector(s[8],.429043*(n*n-i*i)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(t.coefficients[n],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let n=0;n<9;n++)this.coefficients[n].lerp(t.coefficients[n],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(t,e+3*i);return this}toArray(t=[],e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(t,e+3*i);return t}static getBasisAt(t,e){const n=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*n,e[4]=1.092548*n*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*n*r,e[8]=.546274*(n*n-i*i)}}class Pd extends pd{constructor(t=new Ld,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}class Id extends id{constructor(t){super(t),this.textures={}}load(t,e,n,i){const r=this,s=new ad(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=this.textures;function n(t){return void 0===e[t]&&console.warn("THREE.MaterialLoader: Undefined texture",t),e[t]}const i=Id.createMaterialFromType(t.type);if(void 0!==t.uuid&&(i.uuid=t.uuid),void 0!==t.name&&(i.name=t.name),void 0!==t.color&&void 0!==i.color&&i.color.setHex(t.color),void 0!==t.roughness&&(i.roughness=t.roughness),void 0!==t.metalness&&(i.metalness=t.metalness),void 0!==t.sheen&&(i.sheen=t.sheen),void 0!==t.sheenColor&&(i.sheenColor=(new Br).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(i.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==i.emissive&&i.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==i.specular&&i.specular.setHex(t.specular),void 0!==t.specularIntensity&&(i.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==i.specularColor&&i.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(i.shininess=t.shininess),void 0!==t.clearcoat&&(i.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(i.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.iridescence&&(i.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(i.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(i.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(i.transmission=t.transmission),void 0!==t.thickness&&(i.thickness=t.thickness),void 0!==t.attenuationDistance&&(i.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==i.attenuationColor&&i.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(i.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(i.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(i.fog=t.fog),void 0!==t.flatShading&&(i.flatShading=t.flatShading),void 0!==t.blending&&(i.blending=t.blending),void 0!==t.combine&&(i.combine=t.combine),void 0!==t.side&&(i.side=t.side),void 0!==t.shadowSide&&(i.shadowSide=t.shadowSide),void 0!==t.opacity&&(i.opacity=t.opacity),void 0!==t.transparent&&(i.transparent=t.transparent),void 0!==t.alphaTest&&(i.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(i.alphaHash=t.alphaHash),void 0!==t.depthTest&&(i.depthTest=t.depthTest),void 0!==t.depthWrite&&(i.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(i.colorWrite=t.colorWrite),void 0!==t.stencilWrite&&(i.stencilWrite=t.stencilWrite),void 0!==t.stencilWriteMask&&(i.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(i.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(i.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(i.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(i.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(i.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(i.stencilZPass=t.stencilZPass),void 0!==t.wireframe&&(i.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(i.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(i.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(i.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(i.rotation=t.rotation),1!==t.linewidth&&(i.linewidth=t.linewidth),void 0!==t.dashSize&&(i.dashSize=t.dashSize),void 0!==t.gapSize&&(i.gapSize=t.gapSize),void 0!==t.scale&&(i.scale=t.scale),void 0!==t.polygonOffset&&(i.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(i.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(i.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(i.dithering=t.dithering),void 0!==t.alphaToCoverage&&(i.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(i.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(i.forceSinglePass=t.forceSinglePass),void 0!==t.visible&&(i.visible=t.visible),void 0!==t.toneMapped&&(i.toneMapped=t.toneMapped),void 0!==t.userData&&(i.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?i.vertexColors=t.vertexColors>0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Br).setHex(r.value);break;case"v2":i.uniforms[e].value=(new kn).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new yi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new hi).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Vn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new Zi).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new kn).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new kn).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:bu,SpriteMaterial:kl,RawShaderMaterial:Eu,ShaderMaterial:zs,PointsMaterial:kc,MeshPhysicalMaterial:wu,MeshStandardMaterial:Tu,MeshPhongMaterial:Au,MeshToonMaterial:Ru,MeshNormalMaterial:Cu,MeshLambertMaterial:Lu,MeshDepthMaterial:_l,MeshDistanceMaterial:yl,MeshBasicMaterial:kr,MeshMatcapMaterial:Pu,LineDashedMaterial:Iu,LineBasicMaterial:Lc,Material:Nr}[t]}}class Ud{static decodeText(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n<i;n++)e+=String.fromCharCode(t[n]);try{return decodeURIComponent(escape(e))}catch(t){return e}}static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class Nd extends ps{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class Dd extends id{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new ad(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e={},n={};function i(t,i){if(void 0!==e[i])return e[i];const r=t.interleavedBuffers[i],s=function(t,e){if(void 0!==n[e])return n[e];const i=t.arrayBuffers,r=i[e],s=new Uint32Array(r).buffer;return n[e]=s,s}(t,r.buffer),a=jn(r.type,s),o=new zl(a,r.stride);return o.uuid=r.uuid,e[i]=o,o}const r=t.isInstancedBufferGeometry?new Nd:new ps,s=t.data.index;if(void 0!==s){const t=jn(s.type,s.array);r.setIndex(new Zr(t,1))}const a=t.data.attributes;for(const e in a){const n=a[e];let s;if(n.isInterleavedBufferAttribute){const e=i(t.data,n.data);s=new Hl(e,n.itemSize,n.offset,n.normalized)}else{const t=jn(n.type,n.array);s=new(n.isInstancedBufferAttribute?Mc:Zr)(t,n.itemSize,n.normalized)}void 0!==n.name&&(s.name=n.name),void 0!==n.usage&&s.setUsage(n.usage),void 0!==n.updateRange&&(s.updateRange.offset=n.updateRange.offset,s.updateRange.count=n.updateRange.count),r.setAttribute(e,s)}const o=t.data.morphAttributes;if(o)for(const e in o){const n=o[e],s=[];for(let e=0,r=n.length;e<r;e++){const r=n[e];let a;if(r.isInterleavedBufferAttribute){const e=i(t.data,r.data);a=new Hl(e,r.itemSize,r.offset,r.normalized)}else{const t=jn(r.type,r.array);a=new Zr(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),s.push(a)}r.morphAttributes[e]=s}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const l=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==l)for(let t=0,e=l.length;t!==e;++t){const e=l[t];r.addGroup(e.start,e.count,e.materialIndex)}const c=t.data.boundingSphere;if(void 0!==c){const t=new yi;void 0!==c.center&&t.fromArray(c.center),r.boundingSphere=new Hi(t,c.radius)}return t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}class Od extends id{constructor(t){super(t)}load(t,e,n,i){const r=this,s=""===this.path?Ud.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||s;const a=new ad(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,(function(n){let s=null;try{s=JSON.parse(n)}catch(e){return void 0!==i&&i(e),void console.error("THREE:ObjectLoader: Can't parse "+t+".",e.message)}const a=s.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())return void 0!==i&&i(new Error("THREE.ObjectLoader: Can't load "+t)),void console.error("THREE.ObjectLoader: Can't load "+t);r.parse(s,e)}),n,i)}async loadAsync(t,e){const n=""===this.path?Ud.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const i=new ad(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials);const r=await i.loadAsync(t,e),s=JSON.parse(r),a=s.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(s)}parse(t,e){const n=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,i),s=this.parseImages(t.images,(function(){void 0!==e&&e(l)})),a=this.parseTextures(t.textures,s),o=this.parseMaterials(t.materials,a),l=this.parseObject(t.object,r,o,a,n),c=this.parseSkeletons(t.skeletons,l);if(this.bindSkeletons(l,c),void 0!==e){let t=!1;for(const e in s)if(s[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(l)}return l}async parseAsync(t){const e=this.parseAnimations(t.animations),n=this.parseShapes(t.shapes),i=this.parseGeometries(t.geometries,n),r=await this.parseImagesAsync(t.images),s=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,s),o=this.parseObject(t.object,i,a,s,e),l=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,l),o}parseShapes(t){const e={};if(void 0!==t)for(let n=0,i=t.length;n<i;n++){const i=(new Nh).fromJSON(t[n]);e[i.uuid]=i}return e}parseSkeletons(t,e){const n={},i={};if(e.traverse((function(t){t.isBone&&(i[t.uuid]=t)})),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new xc).fromJSON(t[e],i);n[r.uuid]=r}return n}parseGeometries(t,e){const n={};if(void 0!==t){const i=new Dd;for(let r=0,s=t.length;r<s;r++){let s;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":s=i.parse(a);break;default:a.type in Su?s=Su[a.type].fromJSON(a,e):console.warn(`THREE.ObjectLoader: Unsupported geometry type "${a.type}"`)}s.uuid=a.uuid,void 0!==a.name&&(s.name=a.name),void 0!==a.userData&&(s.userData=a.userData),n[a.uuid]=s}}return n}parseMaterials(t,e){const n={},i={};if(void 0!==t){const r=new Id;r.setTextures(e);for(let e=0,s=t.length;e<s;e++){const s=t[e];void 0===n[s.uuid]&&(n[s.uuid]=r.parse(s)),i[s.uuid]=n[s.uuid]}}return i}parseAnimations(t){const e={};if(void 0!==t)for(let n=0;n<t.length;n++){const i=t[n],r=$u.parse(i);e[r.uuid]=r}return e}parseImages(t,e){const n=this,i={};let r;function s(t){if("string"==typeof t){const e=t;return function(t){return n.manager.itemStart(t),r.load(t,(function(){n.manager.itemEnd(t)}),void 0,(function(){n.manager.itemError(t),n.manager.itemEnd(t)}))}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:n.resourcePath+e)}return t.data?{data:jn(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const n=new ed(e);r=new cd(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e<n;e++){const n=t[e],r=n.url;if(Array.isArray(r)){const t=[];for(let e=0,n=r.length;e<n;e++){const n=s(r[e]);null!==n&&(n instanceof HTMLImageElement?t.push(n):t.push(new vc(n.data,n.width,n.height)))}i[n.uuid]=new ai(t)}else{const t=s(n.url);i[n.uuid]=new ai(t)}}}return i}async parseImagesAsync(t){const e=this,n={};let i;async function r(t){if("string"==typeof t){const n=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(n)?n:e.resourcePath+n;return await i.loadAsync(r)}return t.data?{data:jn(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){i=new cd(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],s=i.url;if(Array.isArray(s)){const t=[];for(let e=0,n=s.length;e<n;e++){const n=s[e],i=await r(n);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new vc(i.data,i.width,i.height)))}n[i.uuid]=new ai(t)}else{const t=await r(i.url);n[i.uuid]=new ai(t)}}}return n}parseTextures(t,e){function n(t,e){return"number"==typeof t?t:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const i={};if(void 0!==t)for(let r=0,s=t.length;r<s;r++){const s=t[r];void 0===s.image&&console.warn('THREE.ObjectLoader: No "image" specified for',s.uuid),void 0===e[s.image]&&console.warn("THREE.ObjectLoader: Undefined image",s.image);const a=e[s.image],o=a.data;let l;Array.isArray(o)?(l=new Gs,6===o.length&&(l.needsUpdate=!0)):(l=o&&o.data?new vc:new ci,o&&(l.needsUpdate=!0)),l.source=a,l.uuid=s.uuid,void 0!==s.name&&(l.name=s.name),void 0!==s.mapping&&(l.mapping=n(s.mapping,Fd)),void 0!==s.channel&&(l.channel=s.channel),void 0!==s.offset&&l.offset.fromArray(s.offset),void 0!==s.repeat&&l.repeat.fromArray(s.repeat),void 0!==s.center&&l.center.fromArray(s.center),void 0!==s.rotation&&(l.rotation=s.rotation),void 0!==s.wrap&&(l.wrapS=n(s.wrap[0],zd),l.wrapT=n(s.wrap[1],zd)),void 0!==s.format&&(l.format=s.format),void 0!==s.internalFormat&&(l.internalFormat=s.internalFormat),void 0!==s.type&&(l.type=s.type),void 0!==s.colorSpace&&(l.colorSpace=s.colorSpace),void 0!==s.encoding&&(l.encoding=s.encoding),void 0!==s.minFilter&&(l.minFilter=n(s.minFilter,Bd)),void 0!==s.magFilter&&(l.magFilter=n(s.magFilter,Bd)),void 0!==s.anisotropy&&(l.anisotropy=s.anisotropy),void 0!==s.flipY&&(l.flipY=s.flipY),void 0!==s.generateMipmaps&&(l.generateMipmaps=s.generateMipmaps),void 0!==s.premultiplyAlpha&&(l.premultiplyAlpha=s.premultiplyAlpha),void 0!==s.unpackAlignment&&(l.unpackAlignment=s.unpackAlignment),void 0!==s.compareFunction&&(l.compareFunction=s.compareFunction),void 0!==s.userData&&(l.userData=s.userData),i[s.uuid]=l}return i}parseObject(t,e,n,i,r){let s,a,o;function l(t){return void 0===e[t]&&console.warn("THREE.ObjectLoader: Undefined geometry",t),e[t]}function c(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let i=0,r=t.length;i<r;i++){const r=t[i];void 0===n[r]&&console.warn("THREE.ObjectLoader: Undefined material",r),e.push(n[r])}return e}return void 0===n[t]&&console.warn("THREE.ObjectLoader: Undefined material",t),n[t]}}function h(t){return void 0===i[t]&&console.warn("THREE.ObjectLoader: Undefined texture",t),i[t]}switch(t.type){case"Scene":s=new Fl,void 0!==t.background&&(Number.isInteger(t.background)?s.background=new Br(t.background):s.background=h(t.background)),void 0!==t.environment&&(s.environment=h(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?s.fog=new Ol(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(s.fog=new Dl(t.fog.color,t.fog.density))),void 0!==t.backgroundBlurriness&&(s.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(s.backgroundIntensity=t.backgroundIntensity);break;case"PerspectiveCamera":s=new Hs(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(s.focus=t.focus),void 0!==t.zoom&&(s.zoom=t.zoom),void 0!==t.filmGauge&&(s.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(s.filmOffset=t.filmOffset),void 0!==t.view&&(s.view=Object.assign({},t.view));break;case"OrthographicCamera":s=new ua(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(s.zoom=t.zoom),void 0!==t.view&&(s.view=Object.assign({},t.view));break;case"AmbientLight":s=new Rd(t.color,t.intensity);break;case"DirectionalLight":s=new Ad(t.color,t.intensity);break;case"PointLight":s=new Td(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":s=new Cd(t.color,t.intensity,t.width,t.height);break;case"SpotLight":s=new xd(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay);break;case"HemisphereLight":s=new fd(t.color,t.groundColor,t.intensity);break;case"LightProbe":s=(new Pd).fromJSON(t);break;case"SkinnedMesh":a=l(t.geometry),o=c(t.material),s=new mc(a,o),void 0!==t.bindMode&&(s.bindMode=t.bindMode),void 0!==t.bindMatrix&&s.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(s.skeleton=t.skeleton);break;case"Mesh":a=l(t.geometry),o=c(t.material),s=new Ps(a,o);break;case"InstancedMesh":a=l(t.geometry),o=c(t.material);const e=t.count,n=t.instanceMatrix,i=t.instanceColor;s=new Cc(a,o,e),s.instanceMatrix=new Mc(new Float32Array(n.array),16),void 0!==i&&(s.instanceColor=new Mc(new Float32Array(i.array),i.itemSize));break;case"LOD":s=new sc;break;case"Line":s=new Oc(l(t.geometry),c(t.material));break;case"LineLoop":s=new Hc(l(t.geometry),c(t.material));break;case"LineSegments":s=new Bc(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new jc(l(t.geometry),c(t.material));break;case"Sprite":s=new ec(c(t.material));break;case"Group":s=new Tl;break;case"Bone":s=new gc;break;default:s=new xr}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)s.add(this.parseObject(a[t],e,n,i,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const n=e[t];s.animations.push(r[n])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(s.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const n=e[t],i=s.getObjectByProperty("uuid",n.object);void 0!==i&&s.addLevel(i,n.distance,n.hysteresis)}}return s}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse((function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const n=e[t.skeleton];void 0===n?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(n,t.bindMatrix)}}))}}const Fd={UVMapping:tt,CubeReflectionMapping:et,CubeRefractionMapping:nt,EquirectangularReflectionMapping:it,EquirectangularRefractionMapping:rt,CubeUVReflectionMapping:st},zd={RepeatWrapping:at,ClampToEdgeWrapping:ot,MirroredRepeatWrapping:lt},Bd={NearestFilter:ct,NearestMipmapNearestFilter:ht,NearestMipmapLinearFilter:dt,LinearFilter:ft,LinearMipmapNearestFilter:mt,LinearMipmapLinearFilter:vt};class Hd extends id{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(t){return this.options=t,this}load(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=td.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){td.add(t,n),e&&e(n),r.manager.itemEnd(t)})).catch((function(e){i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)})),r.manager.itemStart(t)}}let kd;class Vd{static getContext(){return void 0===kd&&(kd=new(window.AudioContext||window.webkitAudioContext)),kd}static setContext(t){kd=t}}class Gd extends id{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new ad(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Vd.getContext().decodeAudioData(n,(function(t){e(t)}),a)}catch(t){a(t)}}),n,i)}}class Wd extends Pd{constructor(t,e,n=1){super(void 0,n),this.isHemisphereLightProbe=!0;const i=(new Br).set(t),r=(new Br).set(e),s=new yi(i.r,i.g,i.b),a=new yi(r.r,r.g,r.b),o=Math.sqrt(Math.PI),l=o*Math.sqrt(.75);this.sh.coefficients[0].copy(s).add(a).multiplyScalar(o),this.sh.coefficients[1].copy(s).sub(a).multiplyScalar(l)}}class Xd extends Pd{constructor(t,e=1){super(void 0,e),this.isAmbientLightProbe=!0;const n=(new Br).set(t);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}}const jd=new Zi,qd=new Zi,Yd=new Zi;class Zd{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Hs,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Hs,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Yd.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Cn*e.fov*.5)/e.zoom;let s,a;qd.elements[12]=-n,jd.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Yd.elements[0]=2*e.near/(a-s),Yd.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Yd),s=-r*e.aspect-i,a=r*e.aspect-i,Yd.elements[0]=2*e.near/(a-s),Yd.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Yd)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(qd),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(jd)}}class Jd{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Kd(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Kd();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Kd(){return("undefined"==typeof performance?Date:performance).now()}const $d=new yi,Qd=new _i,tp=new yi,ep=new yi;class np extends xr{constructor(){super(),this.type="AudioListener",this.context=Vd.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Jd}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose($d,Qd,tp),ep.set(0,0,-1).applyQuaternion(Qd),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime($d.x,t),e.positionY.linearRampToValueAtTime($d.y,t),e.positionZ.linearRampToValueAtTime($d.z,t),e.forwardX.linearRampToValueAtTime(ep.x,t),e.forwardY.linearRampToValueAtTime(ep.y,t),e.forwardZ.linearRampToValueAtTime(ep.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition($d.x,$d.y,$d.z),e.setOrientation(ep.x,ep.y,ep.z,n.x,n.y,n.z)}}class ip extends xr{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){if(this.detune=t,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}}const rp=new yi,sp=new _i,ap=new yi,op=new yi;class lp extends ip{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){super.connect(),this.panner.connect(this.gain)}disconnect(){super.disconnect(),this.panner.disconnect(this.gain)}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,n){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=n,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(rp,sp,ap),op.set(0,0,1).applyQuaternion(sp);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(rp.x,t),e.positionY.linearRampToValueAtTime(rp.y,t),e.positionZ.linearRampToValueAtTime(rp.z,t),e.orientationX.linearRampToValueAtTime(op.x,t),e.orientationY.linearRampToValueAtTime(op.y,t),e.orientationZ.linearRampToValueAtTime(op.z,t)}else e.setPosition(rp.x,rp.y,rp.z),e.setOrientation(op.x,op.y,op.z)}}class cp{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let n=0;n<e.length;n++)t+=e[n];return t/e.length}}class hp{constructor(t,e,n){let i,r,s;switch(this.binding=t,this.valueSize=n,e){case"quaternion":i=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*n),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*n);break;default:i=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*n)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const n=this.buffer,i=this.valueSize,r=t*i+i;let s=this.cumulativeWeight;if(0===s){for(let t=0;t!==i;++t)n[r+t]=n[t];s=e}else{s+=e;const t=e/s;this._mixBufferRegion(n,r,0,t,i)}this.cumulativeWeight=s}accumulateAdditive(t){const e=this.buffer,n=this.valueSize,i=n*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,i,0,t,n),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,n=this.buffer,i=t*e+e,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(n,i,t,1-r,e)}s>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n<e;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[e+n]=this.buffer[t+n]}_select(t,e,n,i,r){if(i>=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){_i.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;_i.multiplyQuaternionsFlat(t,s,t,e,t,n),_i.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const up="\\[\\]\\.:\\/",dp=new RegExp("["+up+"]","g"),pp="[^"+up+"]",fp="[^"+up.replace("\\.","")+"]",mp=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",pp)+/(WCOD+)?/.source.replace("WCOD",fp)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",pp)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",pp)+"$"),gp=["material","materials","bones","map"];class vp{constructor(t,e,n){this.path=e,this.parsedPath=n||vp.parseTrackName(e),this.node=vp.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new vp.Composite(t,e,n):new vp(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(dp,"")}static parseTrackName(t){const e=mp.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==gp.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i<t.length;i++){const r=t[i];if(r.name===e||r.uuid===e)return r;const s=n(r.children);if(s)return s}return null},i=n(t.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)t[e++]=n[i]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,n=e.objectName,i=e.propertyName;let r=e.propertyIndex;if(t||(t=vp.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void console.warn("THREE.PropertyBinding: No target node found for track: "+this.path+".");if(n){let i=e.objectIndex;switch(n){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===i){i=e;break}break;case"map":if("map"in t){t=t.map;break}if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[n]}if(void 0!==i){if(void 0===t[i])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[i]}}const s=t[i];if(void 0===s){const n=e.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+i+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,void 0!==t.needsUpdate?a=this.Versioning.NeedsUpdate:void 0!==t.matrixWorldNeedsUpdate&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!t.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(o=this.BindingType.EntireArray,this.resolvedProperty=s):this.propertyName=i;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}vp.Composite=class{constructor(t,e,n){const i=n||vp.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}getValue(t,e){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(t,e)}setValue(t,e){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].unbind()}},vp.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},vp.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},vp.prototype.GetterByBindingType=[vp.prototype._getValue_direct,vp.prototype._getValue_array,vp.prototype._getValue_arrayElement,vp.prototype._getValue_toArray],vp.prototype.SetterByBindingTypeAndVersioning=[[vp.prototype._setValue_direct,vp.prototype._setValue_direct_setNeedsUpdate,vp.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[vp.prototype._setValue_array,vp.prototype._setValue_array_setNeedsUpdate,vp.prototype._setValue_array_setMatrixWorldNeedsUpdate],[vp.prototype._setValue_arrayElement,vp.prototype._setValue_arrayElement_setNeedsUpdate,vp.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[vp.prototype._setValue_fromArray,vp.prototype._setValue_fromArray_setNeedsUpdate,vp.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class _p{constructor(){this.isAnimationObjectGroup=!0,this.uuid=Pn(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,n=arguments.length;e!==n;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,n=this._paths,i=this._parsedPaths,r=this._bindings,s=r.length;let a,o=t.length,l=this.nCachedObjects_;for(let c=0,h=arguments.length;c!==h;++c){const h=arguments[c],u=h.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(h);for(let t=0,e=s;t!==e;++t)r[t].push(new vp(h,n[t],i[t]))}else if(d<l){a=t[d];const o=--l,c=t[o];e[c.uuid]=d,t[d]=c,e[u]=o,t[o]=h;for(let t=0,e=s;t!==e;++t){const e=r[t],s=e[o];let a=e[d];e[d]=s,void 0===a&&(a=new vp(h,n[t],i[t])),e[o]=a}}else t[d]!==a&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=l}remove(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_;for(let s=0,a=arguments.length;s!==a;++s){const a=arguments[s],o=a.uuid,l=e[o];if(void 0!==l&&l>=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l<r){const a=--r,o=t[a],c=--s,h=t[c];e[o.uuid]=l,t[l]=o,e[h.uuid]=a,t[a]=h,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[a],r=e[c];e[l]=i,e[a]=r,e.pop()}}else{const r=--s,a=t[r];r>0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new vp(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class yp{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:be,endingEnd:be};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Ae)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Ee,i.endingEnd=Ee):(i.endingStart=t?this.zeroSlopeAtStart?Ee:be:Te,i.endingEnd=e?this.zeroSlopeAtEnd?Ee:be:Te)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const xp=new Float32Array(1);class Mp extends wn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new hp(vp.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,n){const i=this._actions,r=this._actionsByClip;let s=r[e];if(void 0===s)s={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=s;else{const e=s.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=i.length,i.push(t),s.actionByRoot[n]=t}_removeInactiveAction(t){const e=this._actions,n=e[e.length-1],i=t._cacheIndex;n._cacheIndex=i,e[i]=n,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],c=t._byClipCacheIndex;l._byClipCacheIndex=c,o[c]=l,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.referenceCount&&this._removeInactiveBinding(n)}}_lendAction(t){const e=this._actions,n=t._cacheIndex,i=this._nActiveActions++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackAction(t){const e=this._actions,n=t._cacheIndex,i=--this._nActiveActions,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_addInactiveBinding(t,e,n){const i=this._bindingsByRootAndName,r=this._bindings;let s=i[e];void 0===s&&(s={},i[e]=s),s[n]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,n=t.binding,i=n.rootNode.uuid,r=n.path,s=this._bindingsByRootAndName,a=s[i],o=e[e.length-1],l=t._cacheIndex;o._cacheIndex=l,e[l]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete s[i]}_lendBinding(t){const e=this._bindings,n=t._cacheIndex,i=this._nActiveBindings++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackBinding(t){const e=this._bindings,n=t._cacheIndex,i=--this._nActiveBindings,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let n=t[e];return void 0===n&&(n=new Vu(new Float32Array(2),new Float32Array(2),1,xp),n.__cacheIndex=e,t[e]=n),n}_takeBackControlInterpolant(t){const e=this._controlInterpolants,n=t.__cacheIndex,i=--this._nActiveControlInterpolants,r=e[i];t.__cacheIndex=i,e[i]=t,r.__cacheIndex=n,e[n]=r}clipAction(t,e,n){const i=e||this._root,r=i.uuid;let s="string"==typeof t?$u.findByName(i,t):t;const a=null!==s?s.uuid:t,o=this._actionsByClip[a];let l=null;if(void 0===n&&(n=null!==s?s.blendMode:we),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===n)return t;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const c=new yp(this,s,e,n);return this._bindAction(c,l),this._addInactiveAction(c,a,r),c}existingAction(t,e){const n=e||this._root,i=n.uuid,r="string"==typeof t?$u.findByName(n,t):t,s=r?r.uuid:t,a=this._actionsByClip[s];return void 0!==a&&a.actionByRoot[i]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,n=t.uuid,i=this._actionsByClip,r=i[n];if(void 0!==r){const t=r.knownActions;for(let n=0,i=t.length;n!==i;++n){const i=t[n];this._deactivateAction(i);const r=i._cacheIndex,s=e[e.length-1];i._cacheIndex=null,i._byClipCacheIndex=null,s._cacheIndex=r,e[r]=s,e.pop(),this._removeInactiveBindingsForAction(i)}delete i[n]}}uncacheRoot(t){const e=t.uuid,n=this._actionsByClip;for(const t in n){const i=n[t].actionByRoot[e];void 0!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}const i=this._bindingsByRootAndName[e];if(void 0!==i)for(const t in i){const e=i[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const n=this.existingAction(t,e);null!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}}class Sp{constructor(t){this.value=t}clone(){return new Sp(void 0===this.value.clone?this.value:this.value.clone())}}let bp=0;class Ep extends wn{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:bp++}),this.name="",this.usage=dn,this.uniforms=[]}add(t){return this.uniforms.push(t),this}remove(t){const e=this.uniforms.indexOf(t);return-1!==e&&this.uniforms.splice(e,1),this}setName(t){return this.name=t,this}setUsage(t){return this.usage=t,this}dispose(){return this.dispatchEvent({type:"dispose"}),this}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,n=e.length;t<n;t++)this.uniforms.push(e[t].clone());return this}clone(){return(new this.constructor).copy(this)}}class Tp extends zl{constructor(t,e,n=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=n}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}class wp{constructor(t,e,n,i,r){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=n,this.elementSize=i,this.count=r,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}class Ap{constructor(t,e,n=0,i=1/0){this.ray=new Yi(t,e),this.near=n,this.far=i,this.camera=null,this.layers=new ar,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}intersectObject(t,e=!0,n=[]){return Cp(t,this,n,e),n.sort(Rp),n}intersectObjects(t,e=!0,n=[]){for(let i=0,r=t.length;i<r;i++)Cp(t[i],this,n,e);return n.sort(Rp),n}}function Rp(t,e){return t.distance-e.distance}function Cp(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i){const i=t.children;for(let t=0,r=i.length;t<r;t++)Cp(i[t],e,n,!0)}}class Lp{constructor(t=1,e=0,n=0){return this.radius=t,this.phi=e,this.theta=n,this}set(t,e,n){return this.radius=t,this.phi=e,this.theta=n,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=Math.max(t,Math.min(Math.PI-t,this.phi)),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,n){return this.radius=Math.sqrt(t*t+e*e+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,n),this.phi=Math.acos(In(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class Pp{constructor(t=1,e=0,n=0){return this.radius=t,this.theta=e,this.y=n,this}set(t,e,n){return this.radius=t,this.theta=e,this.y=n,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,n){return this.radius=Math.sqrt(t*t+n*n),this.theta=Math.atan2(t,n),this.y=e,this}clone(){return(new this.constructor).copy(this)}}const Ip=new kn;class Up{constructor(t=new kn(1/0,1/0),e=new kn(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=Ip.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Ip).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Np=new yi,Dp=new yi;class Op{constructor(t=new yi,e=new yi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Np.subVectors(t,this.start),Dp.subVectors(this.end,this.start);const n=Dp.dot(Dp);let i=Dp.dot(Np)/n;return e&&(i=In(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Fp=new yi;class zp extends xr{constructor(t,e){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ps,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t<n;t++,e++){const r=t/n*Math.PI*2,s=e/n*Math.PI*2;i.push(Math.cos(r),Math.sin(r),1,Math.cos(s),Math.sin(s),1)}n.setAttribute("position",new rs(i,3));const r=new Lc({fog:!1,toneMapped:!1});this.cone=new Bc(n,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1);const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),Fp.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Fp),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const Bp=new yi,Hp=new Zi,kp=new Zi;class Vp extends Bc{constructor(t){const e=Gp(t),n=new ps,i=[],r=[],s=new Br(0,0,1),a=new Br(0,1,0);for(let t=0;t<e.length;t++){const n=e[t];n.parent&&n.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(s.r,s.g,s.b),r.push(a.r,a.g,a.b))}n.setAttribute("position",new rs(i,3)),n.setAttribute("color",new rs(r,3));super(n,new Lc({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(t){const e=this.bones,n=this.geometry,i=n.getAttribute("position");kp.copy(this.root.matrixWorld).invert();for(let t=0,n=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Hp.multiplyMatrices(kp,r.matrixWorld),Bp.setFromMatrixPosition(Hp),i.setXYZ(n,Bp.x,Bp.y,Bp.z),Hp.multiplyMatrices(kp,r.parent.matrixWorld),Bp.setFromMatrixPosition(Hp),i.setXYZ(n+1,Bp.x,Bp.y,Bp.z),n+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose()}}function Gp(t){const e=[];!0===t.isBone&&e.push(t);for(let n=0;n<t.children.length;n++)e.push.apply(e,Gp(t.children[n]));return e}class Wp extends Ps{constructor(t,e,n){super(new mu(e,4,2),new kr({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=n,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const Xp=new yi,jp=new Br,qp=new Br;class Yp extends xr{constructor(t,e,n){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type="HemisphereLightHelper";const i=new du(e);i.rotateY(.5*Math.PI),this.material=new kr({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=i.getAttribute("position"),s=new Float32Array(3*r.count);i.setAttribute("color",new Zr(s,3)),this.add(new Ps(i,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");jp.copy(this.light.color),qp.copy(this.light.groundColor);for(let t=0,n=e.count;t<n;t++){const i=t<n/2?jp:qp;e.setXYZ(t,i.r,i.g,i.b)}e.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),t.lookAt(Xp.setFromMatrixPosition(this.light.matrixWorld).negate())}}class Zp extends Bc{constructor(t=10,e=10,n=4473924,i=8947848){n=new Br(n),i=new Br(i);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,c=0,h=-a;t<=e;t++,h+=s){o.push(-a,0,h,a,0,h),o.push(h,0,-a,h,0,a);const e=t===r?n:i;e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3}const c=new ps;c.setAttribute("position",new rs(o,3)),c.setAttribute("color",new rs(l,3));super(c,new Lc({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class Jp extends Bc{constructor(t=10,e=16,n=8,i=64,r=4473924,s=8947848){r=new Br(r),s=new Br(s);const a=[],o=[];if(e>1)for(let n=0;n<e;n++){const i=n/e*(2*Math.PI),l=Math.sin(i)*t,c=Math.cos(i)*t;a.push(0,0,0),a.push(l,0,c);const h=1&n?r:s;o.push(h.r,h.g,h.b),o.push(h.r,h.g,h.b)}for(let e=0;e<n;e++){const l=1&e?r:s,c=t-t/n*e;for(let t=0;t<i;t++){let e=t/i*(2*Math.PI),n=Math.sin(e)*c,r=Math.cos(e)*c;a.push(n,0,r),o.push(l.r,l.g,l.b),e=(t+1)/i*(2*Math.PI),n=Math.sin(e)*c,r=Math.cos(e)*c,a.push(n,0,r),o.push(l.r,l.g,l.b)}}const l=new ps;l.setAttribute("position",new rs(a,3)),l.setAttribute("color",new rs(o,3));super(l,new Lc({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const Kp=new yi,$p=new yi,Qp=new yi;class tf extends xr{constructor(t,e,n){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type="DirectionalLightHelper",void 0===e&&(e=1);let i=new ps;i.setAttribute("position",new rs([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new Lc({fog:!1,toneMapped:!1});this.lightPlane=new Oc(i,r),this.add(this.lightPlane),i=new ps,i.setAttribute("position",new rs([0,0,0,0,0,1],3)),this.targetLine=new Oc(i,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),Kp.setFromMatrixPosition(this.light.matrixWorld),$p.setFromMatrixPosition(this.light.target.matrixWorld),Qp.subVectors($p,Kp),this.lightPlane.lookAt($p),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt($p),this.targetLine.scale.z=Qp.length()}}const ef=new yi,nf=new Bs;class rf extends Bc{constructor(t){const e=new ps,n=new Lc({color:16777215,vertexColors:!0,toneMapped:!1}),i=[],r=[],s={};function a(t,e){o(t),o(e)}function o(t){i.push(0,0,0),r.push(0,0,0),void 0===s[t]&&(s[t]=[]),s[t].push(i.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new rs(i,3)),e.setAttribute("color",new rs(r,3)),super(e,n),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=s,this.update();const l=new Br(16755200),c=new Br(16711680),h=new Br(43775),u=new Br(16777215),d=new Br(3355443);this.setColors(l,c,h,u,d)}setColors(t,e,n,i,r){const s=this.geometry.getAttribute("color");s.setXYZ(0,t.r,t.g,t.b),s.setXYZ(1,t.r,t.g,t.b),s.setXYZ(2,t.r,t.g,t.b),s.setXYZ(3,t.r,t.g,t.b),s.setXYZ(4,t.r,t.g,t.b),s.setXYZ(5,t.r,t.g,t.b),s.setXYZ(6,t.r,t.g,t.b),s.setXYZ(7,t.r,t.g,t.b),s.setXYZ(8,t.r,t.g,t.b),s.setXYZ(9,t.r,t.g,t.b),s.setXYZ(10,t.r,t.g,t.b),s.setXYZ(11,t.r,t.g,t.b),s.setXYZ(12,t.r,t.g,t.b),s.setXYZ(13,t.r,t.g,t.b),s.setXYZ(14,t.r,t.g,t.b),s.setXYZ(15,t.r,t.g,t.b),s.setXYZ(16,t.r,t.g,t.b),s.setXYZ(17,t.r,t.g,t.b),s.setXYZ(18,t.r,t.g,t.b),s.setXYZ(19,t.r,t.g,t.b),s.setXYZ(20,t.r,t.g,t.b),s.setXYZ(21,t.r,t.g,t.b),s.setXYZ(22,t.r,t.g,t.b),s.setXYZ(23,t.r,t.g,t.b),s.setXYZ(24,e.r,e.g,e.b),s.setXYZ(25,e.r,e.g,e.b),s.setXYZ(26,e.r,e.g,e.b),s.setXYZ(27,e.r,e.g,e.b),s.setXYZ(28,e.r,e.g,e.b),s.setXYZ(29,e.r,e.g,e.b),s.setXYZ(30,e.r,e.g,e.b),s.setXYZ(31,e.r,e.g,e.b),s.setXYZ(32,n.r,n.g,n.b),s.setXYZ(33,n.r,n.g,n.b),s.setXYZ(34,n.r,n.g,n.b),s.setXYZ(35,n.r,n.g,n.b),s.setXYZ(36,n.r,n.g,n.b),s.setXYZ(37,n.r,n.g,n.b),s.setXYZ(38,i.r,i.g,i.b),s.setXYZ(39,i.r,i.g,i.b),s.setXYZ(40,r.r,r.g,r.b),s.setXYZ(41,r.r,r.g,r.b),s.setXYZ(42,r.r,r.g,r.b),s.setXYZ(43,r.r,r.g,r.b),s.setXYZ(44,r.r,r.g,r.b),s.setXYZ(45,r.r,r.g,r.b),s.setXYZ(46,r.r,r.g,r.b),s.setXYZ(47,r.r,r.g,r.b),s.setXYZ(48,r.r,r.g,r.b),s.setXYZ(49,r.r,r.g,r.b),s.needsUpdate=!0}update(){const t=this.geometry,e=this.pointMap;nf.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),sf("c",e,t,nf,0,0,-1),sf("t",e,t,nf,0,0,1),sf("n1",e,t,nf,-1,-1,-1),sf("n2",e,t,nf,1,-1,-1),sf("n3",e,t,nf,-1,1,-1),sf("n4",e,t,nf,1,1,-1),sf("f1",e,t,nf,-1,-1,1),sf("f2",e,t,nf,1,-1,1),sf("f3",e,t,nf,-1,1,1),sf("f4",e,t,nf,1,1,1),sf("u1",e,t,nf,.7,1.1,-1),sf("u2",e,t,nf,-.7,1.1,-1),sf("u3",e,t,nf,0,2,-1),sf("cf1",e,t,nf,-1,0,1),sf("cf2",e,t,nf,1,0,1),sf("cf3",e,t,nf,0,-1,1),sf("cf4",e,t,nf,0,1,1),sf("cn1",e,t,nf,-1,0,-1),sf("cn2",e,t,nf,1,0,-1),sf("cn3",e,t,nf,0,-1,-1),sf("cn4",e,t,nf,0,1,-1),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function sf(t,e,n,i,r,s,a){ef.set(r,s,a).unproject(i);const o=e[t];if(void 0!==o){const t=n.getAttribute("position");for(let e=0,n=o.length;e<n;e++)t.setXYZ(o[e],ef.x,ef.y,ef.z)}}const af=new Si;class of extends Bc{constructor(t,e=16776960){const n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new Float32Array(24),r=new ps;r.setIndex(new Zr(n,1)),r.setAttribute("position",new Zr(i,3)),super(r,new Lc({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(t){if(void 0!==t&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&af.setFromObject(this.object),af.isEmpty())return;const e=af.min,n=af.max,i=this.geometry.attributes.position,r=i.array;r[0]=n.x,r[1]=n.y,r[2]=n.z,r[3]=e.x,r[4]=n.y,r[5]=n.z,r[6]=e.x,r[7]=e.y,r[8]=n.z,r[9]=n.x,r[10]=e.y,r[11]=n.z,r[12]=n.x,r[13]=n.y,r[14]=e.z,r[15]=e.x,r[16]=n.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=n.x,r[22]=e.y,r[23]=e.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class lf extends Bc{constructor(t,e=16776960){const n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new ps;i.setIndex(new Zr(n,1)),i.setAttribute("position",new rs([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(i,new Lc({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}dispose(){this.geometry.dispose(),this.material.dispose()}}class cf extends Oc{constructor(t,e=1,n=16776960){const i=n,r=new ps;r.setAttribute("position",new rs([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new Lc({color:i,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const s=new ps;s.setAttribute("position",new rs([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),s.computeBoundingSphere(),this.add(new Ps(s,new kr({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const hf=new yi;let uf,df;class pf extends xr{constructor(t=new yi(0,0,1),e=new yi(0,0,0),n=1,i=16776960,r=.2*n,s=.2*r){super(),this.type="ArrowHelper",void 0===uf&&(uf=new ps,uf.setAttribute("position",new rs([0,0,0,0,1,0],3)),df=new Th(0,.5,1,5,1),df.translate(0,-.5,0)),this.position.copy(e),this.line=new Oc(uf,new Lc({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ps(df,new kr({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(n,r,s)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{hf.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(hf,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ff extends Bc{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ps;n.setAttribute("position",new rs(e,3)),n.setAttribute("color",new rs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new Lc({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Br,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class mf{constructor(){this.type="ShapePath",this.color=new Br,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new Mh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;s<n;r=s++){let n=e[r],a=e[s],o=a.x-n.x,l=a.y-n.y;if(Math.abs(l)>Number.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.y<n.y||t.y>a.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=au.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new Nh,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],f=0;h[f]=void 0,p[f]=[];for(let e=0,a=i.length;e<a;e++)s=i[e],u=s.getPoints(),r=n(u),r=t?!r:r,r?(!l&&h[f]&&f++,h[f]={s:new Nh,p:u},h[f].s.curves=s.curves,l&&f++,p[f]=[]):p[f].push({h:s,p:u[0]});if(!h[0])return function(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n],r=new Nh;r.curves=i.curves,e.push(r)}return e}(i);if(h.length>1){let t=!1,n=0;for(let t=0,e=h.length;t<e;t++)c[t]=[];for(let i=0,r=h.length;i<r;i++){const r=p[i];for(let s=0;s<r.length;s++){const a=r[s];let o=!0;for(let r=0;r<h.length;r++)e(a.p,h[r].p)&&(i!==r&&n++,o?(o=!1,c[r].push(a)):t=!0);o&&c[i].push(a)}}n>0&&!1===t&&(p=c)}for(let t=0,e=h.length;t<e;t++){a=h[t].s,o.push(a),d=p[t];for(let t=0,e=d.length;t<e;t++)a.holes.push(d[t].h)}return o}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{$ as ACESFilmicToneMapping,M as AddEquation,q as AddOperation,Ae as AdditiveAnimationBlendMode,v as AdditiveBlending,Lt as AlphaFormat,un as AlwaysCompare,z as AlwaysDepth,nn as AlwaysStencilFunc,Rd as AmbientLight,Xd as AmbientLightProbe,yp as AnimationAction,$u as AnimationClip,od as AnimationLoader,Mp as AnimationMixer,_p as AnimationObjectGroup,Bu as AnimationUtils,nh as ArcCurve,El as ArrayCamera,pf as ArrowHelper,ip as Audio,cp as AudioAnalyser,Vd as AudioContext,np as AudioListener,Gd as AudioLoader,ff as AxesHelper,d as BackSide,Ue as BasicDepthPacking,o as BasicShadowMap,gc as Bone,Xu as BooleanKeyframeTrack,Up as Box2,Si as Box3,lf as Box3Helper,Us as BoxGeometry,of as BoxHelper,Zr as BufferAttribute,ps as BufferGeometry,Dd as BufferGeometryLoader,xt as ByteType,td as Cache,Bs as Camera,rf as CameraHelper,Qc as CanvasTexture,bh as CapsuleGeometry,lh as CatmullRomCurve3,K as CineonToneMapping,Eh as CircleGeometry,ot as ClampToEdgeWrapping,Jd as Clock,Br as Color,ju as ColorKeyframeTrack,ni as ColorManagement,Kc as CompressedArrayTexture,$c as CompressedCubeTexture,Jc as CompressedTexture,ld as CompressedTextureLoader,wh as ConeGeometry,Vs as CubeCamera,et as CubeReflectionMapping,nt as CubeRefractionMapping,Gs as CubeTexture,hd as CubeTextureLoader,st as CubeUVReflectionMapping,dh as CubicBezierCurve,ph as CubicBezierCurve3,ku as CubicInterpolant,r as CullFaceBack,s as CullFaceFront,a as CullFaceFrontBack,i as CullFaceNone,th as Curve,xh as CurvePath,x as CustomBlending,Q as CustomToneMapping,Th as CylinderGeometry,Pp as Cylindrical,mi as Data3DTexture,pi as DataArrayTexture,vc as DataTexture,ud as DataTextureLoader,jr as DataUtils,Xe as DecrementStencilOp,qe as DecrementWrapStencilOp,nd as DefaultLoadingManager,Nt as DepthFormat,Dt as DepthStencilFormat,Rl as DepthTexture,Ad as DirectionalLight,tf as DirectionalLightHelper,Gu as DiscreteInterpolant,He as DisplayP3ColorSpace,Rh as DodecahedronGeometry,p as DoubleSide,I as DstAlphaFactor,N as DstColorFactor,yn as DynamicCopyUsage,pn as DynamicDrawUsage,gn as DynamicReadUsage,Uh as EdgesGeometry,eh as EllipseCurve,an as EqualCompare,k as EqualDepth,Ke as EqualStencilFunc,it as EquirectangularReflectionMapping,rt as EquirectangularRefractionMapping,sr as Euler,wn as EventDispatcher,cu as ExtrudeGeometry,ad as FileLoader,is as Float16BufferAttribute,rs as Float32BufferAttribute,ss as Float64BufferAttribute,Tt as FloatType,Ol as Fog,Dl as FogExp2,Zc as FramebufferTexture,u as FrontSide,Ks as Frustum,wp as GLBufferAttribute,Mn as GLSL1,Sn as GLSL3,ln as GreaterCompare,G as GreaterDepth,hn as GreaterEqualCompare,V as GreaterEqualDepth,en as GreaterEqualStencilFunc,Qe as GreaterStencilFunc,Zp as GridHelper,Tl as Group,wt as HalfFloatType,fd as HemisphereLight,Yp as HemisphereLightHelper,Wd as HemisphereLightProbe,uu as IcosahedronGeometry,Hd as ImageBitmapLoader,cd as ImageLoader,ri as ImageUtils,We as IncrementStencilOp,je as IncrementWrapStencilOp,Mc as InstancedBufferAttribute,Nd as InstancedBufferGeometry,Tp as InstancedInterleavedBuffer,Cc as InstancedMesh,Qr as Int16BufferAttribute,es as Int32BufferAttribute,Jr as Int8BufferAttribute,bt as IntType,zl as InterleavedBuffer,Hl as InterleavedBufferAttribute,Hu as Interpolant,xe as InterpolateDiscrete,Me as InterpolateLinear,Se as InterpolateSmooth,Ye as InvertStencilOp,Ve as KeepStencilOp,Wu as KeyframeTrack,sc as LOD,Sh as LatheGeometry,ar as Layers,sn as LessCompare,B as LessDepth,on as LessEqualCompare,H as LessEqualDepth,$e as LessEqualStencilFunc,Je as LessStencilFunc,pd as Light,Pd as LightProbe,Oc as Line,Op as Line3,Lc as LineBasicMaterial,fh as LineCurve,mh as LineCurve3,Iu as LineDashedMaterial,Hc as LineLoop,Bc as LineSegments,Pe as LinearEncoding,ft as LinearFilter,Vu as LinearInterpolant,_t as LinearMipMapLinearFilter,gt as LinearMipMapNearestFilter,vt as LinearMipmapLinearFilter,mt as LinearMipmapNearestFilter,Be as LinearSRGBColorSpace,Z as LinearToneMapping,id as Loader,Ud as LoaderUtils,ed as LoadingManager,ve as LoopOnce,ye as LoopPingPong,_e as LoopRepeat,Ut as LuminanceAlphaFormat,It as LuminanceFormat,e as MOUSE,Nr as Material,Id as MaterialLoader,Hn as MathUtils,Vn as Matrix3,Zi as Matrix4,T as MaxEquation,Ps as Mesh,kr as MeshBasicMaterial,_l as MeshDepthMaterial,yl as MeshDistanceMaterial,Lu as MeshLambertMaterial,Pu as MeshMatcapMaterial,Cu as MeshNormalMaterial,Au as MeshPhongMaterial,wu as MeshPhysicalMaterial,Tu as MeshStandardMaterial,Ru as MeshToonMaterial,E as MinEquation,lt as MirroredRepeatWrapping,j as MixOperation,y as MultiplyBlending,X as MultiplyOperation,ct as NearestFilter,pt as NearestMipMapLinearFilter,ut as NearestMipMapNearestFilter,dt as NearestMipmapLinearFilter,ht as NearestMipmapNearestFilter,rn as NeverCompare,F as NeverDepth,Ze as NeverStencilFunc,m as NoBlending,Fe as NoColorSpace,Y as NoToneMapping,we as NormalAnimationBlendMode,g as NormalBlending,cn as NotEqualCompare,W as NotEqualDepth,tn as NotEqualStencilFunc,qu as NumberKeyframeTrack,xr as Object3D,Od as ObjectLoader,Oe as ObjectSpaceNormalMap,du as OctahedronGeometry,A as OneFactor,U as OneMinusDstAlphaFactor,D as OneMinusDstColorFactor,P as OneMinusSrcAlphaFactor,C as OneMinusSrcColorFactor,ua as OrthographicCamera,l as PCFShadowMap,c as PCFSoftShadowMap,xa as PMREMGenerator,Mh as Path,Hs as PerspectiveCamera,Ys as Plane,ta as PlaneGeometry,cf as PlaneHelper,Td as PointLight,Wp as PointLightHelper,jc as Points,kc as PointsMaterial,Jp as PolarGridHelper,Ah as PolyhedronGeometry,lp as PositionalAudio,vp as PropertyBinding,hp as PropertyMixer,gh as QuadraticBezierCurve,vh as QuadraticBezierCurve3,_i as Quaternion,Zu as QuaternionKeyframeTrack,Yu as QuaternionLinearInterpolant,me as RED_GREEN_RGTC2_Format,pe as RED_RGTC1_Format,t as REVISION,Ne as RGBADepthPacking,Pt as RGBAFormat,Ht as RGBAIntegerFormat,ce as RGBA_ASTC_10x10_Format,ae as RGBA_ASTC_10x5_Format,oe as RGBA_ASTC_10x6_Format,le as RGBA_ASTC_10x8_Format,he as RGBA_ASTC_12x10_Format,ue as RGBA_ASTC_12x12_Format,$t as RGBA_ASTC_4x4_Format,Qt as RGBA_ASTC_5x4_Format,te as RGBA_ASTC_5x5_Format,ee as RGBA_ASTC_6x5_Format,ne as RGBA_ASTC_6x6_Format,ie as RGBA_ASTC_8x5_Format,re as RGBA_ASTC_8x6_Format,se as RGBA_ASTC_8x8_Format,de as RGBA_BPTC_Format,Kt as RGBA_ETC2_EAC_Format,Yt as RGBA_PVRTC_2BPPV1_Format,qt as RGBA_PVRTC_4BPPV1_Format,Vt as RGBA_S3TC_DXT1_Format,Gt as RGBA_S3TC_DXT3_Format,Wt as RGBA_S3TC_DXT5_Format,Zt as RGB_ETC1_Format,Jt as RGB_ETC2_Format,jt as RGB_PVRTC_2BPPV1_Format,Xt as RGB_PVRTC_4BPPV1_Format,kt as RGB_S3TC_DXT1_Format,zt as RGFormat,Bt as RGIntegerFormat,Eu as RawShaderMaterial,Yi as Ray,Ap as Raycaster,Cd as RectAreaLight,Ot as RedFormat,Ft as RedIntegerFormat,J as ReinhardToneMapping,ui as RenderTarget,at as RepeatWrapping,Ge as ReplaceStencilOp,b as ReverseSubtractEquation,pu as RingGeometry,ge as SIGNED_RED_GREEN_RGTC2_Format,fe as SIGNED_RED_RGTC1_Format,ze as SRGBColorSpace,Fl as Scene,ea as ShaderChunk,ia as ShaderLib,zs as ShaderMaterial,bu as ShadowMaterial,Nh as Shape,fu as ShapeGeometry,mf as ShapePath,au as ShapeUtils,Mt as ShortType,xc as Skeleton,Vp as SkeletonHelper,mc as SkinnedMesh,ai as Source,Hi as Sphere,mu as SphereGeometry,Lp as Spherical,Ld as SphericalHarmonics3,_h as SplineCurve,xd as SpotLight,zp as SpotLightHelper,ec as Sprite,kl as SpriteMaterial,L as SrcAlphaFactor,O as SrcAlphaSaturateFactor,R as SrcColorFactor,_n as StaticCopyUsage,dn as StaticDrawUsage,mn as StaticReadUsage,Zd as StereoCamera,xn as StreamCopyUsage,fn as StreamDrawUsage,vn as StreamReadUsage,Ju as StringKeyframeTrack,S as SubtractEquation,_ as SubtractiveBlending,n as TOUCH,De as TangentSpaceNormalMap,gu as TetrahedronGeometry,ci as Texture,dd as TextureLoader,vu as TorusGeometry,_u as TorusKnotGeometry,Ir as Triangle,Le as TriangleFanDrawMode,Ce as TriangleStripDrawMode,Re as TrianglesDrawMode,yu as TubeGeometry,f as TwoPassDoubleSide,tt as UVMapping,ts as Uint16BufferAttribute,ns as Uint32BufferAttribute,Kr as Uint8BufferAttribute,$r as Uint8ClampedBufferAttribute,Sp as Uniform,Ep as UniformsGroup,na as UniformsLib,Fs as UniformsUtils,yt as UnsignedByteType,Ct as UnsignedInt248Type,Et as UnsignedIntType,At as UnsignedShort4444Type,Rt as UnsignedShort5551Type,St as UnsignedShortType,h as VSMShadowMap,kn as Vector2,yi as Vector3,hi as Vector4,Ku as VectorKeyframeTrack,Yc as VideoTexture,Nl as WebGL1Renderer,gi as WebGL3DRenderTarget,fi as WebGLArrayRenderTarget,En as WebGLCoordinateSystem,Ws as WebGLCubeRenderTarget,vi as WebGLMultipleRenderTargets,di as WebGLRenderTarget,Ul as WebGLRenderer,bl as WebGLUtils,Tn as WebGPUCoordinateSystem,xu as WireframeGeometry,Te as WrapAroundEnding,be as ZeroCurvatureEnding,w as ZeroFactor,Ee as ZeroSlopeEnding,ke as ZeroStencilOp,bn as _SRGBAFormat,Ie as sRGBEncoding};
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