three_shaders.min.js

/*
* A concatination and minification of THREE.js shaders and postprocessing scripts 
* these are not included in the core threejs package, 
* the purpose of this gist is to simplify including multiple scripts on codepen.
*/
//http://threejs.org/examples/js/shaders/CopyShader.js
THREE.CopyShader={uniforms:{tDiffuse:{type:"t",value:null},opacity:{type:"f",value:1}},vertexShader:["varying vec2 vUv;","void main() {","vUv = uv;","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform float opacity;","uniform sampler2D tDiffuse;","varying vec2 vUv;","void main() {","vec4 texel = texture2D( tDiffuse, vUv );","gl_FragColor = opacity * texel;","}"].join("\n")};
//http://threejs.org/examples/js/shaders/RGBShiftShader.js
THREE.RGBShiftShader={uniforms:{tDiffuse:{type:"t",value:null},amount:{type:"f",value:.005},angle:{type:"f",value:0}},vertexShader:["varying vec2 vUv;","void main() {","vUv = uv;","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform sampler2D tDiffuse;","uniform float amount;","uniform float angle;","varying vec2 vUv;","void main() {","vec2 offset = amount * vec2( cos(angle), sin(angle));","vec4 cr = texture2D(tDiffuse, vUv + offset);","vec4 cga = texture2D(tDiffuse, vUv);","vec4 cb = texture2D(tDiffuse, vUv - offset);","gl_FragColor = vec4(cr.r, cga.g, cb.b, cga.a);","}"].join("\n")};
//http://threejs.org/examples/js/shaders/FilmShader.js
THREE.FilmShader={uniforms:{tDiffuse:{type:"t",value:null},time:{type:"f",value:0},nIntensity:{type:"f",value:.5},sIntensity:{type:"f",value:.05},sCount:{type:"f",value:4096},grayscale:{type:"i",value:1}},vertexShader:["varying vec2 vUv;","void main() {","vUv = uv;","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform float time;","uniform bool grayscale;","uniform float nIntensity;","uniform float sIntensity;","uniform float sCount;","uniform sampler2D tDiffuse;","varying vec2 vUv;","void main() {","vec4 cTextureScreen = texture2D( tDiffuse, vUv );","float x = vUv.x * vUv.y * time *  1000.0;","x = mod( x, 13.0 ) * mod( x, 123.0 );","float dx = mod( x, 0.01 );","vec3 cResult = cTextureScreen.rgb + cTextureScreen.rgb * clamp( 0.1 + dx * 100.0, 0.0, 1.0 );","vec2 sc = vec2( sin( vUv.y * sCount ), cos( vUv.y * sCount ) );","cResult += cTextureScreen.rgb * vec3( sc.x, sc.y, sc.x ) * sIntensity;","cResult = cTextureScreen.rgb + clamp( nIntensity, 0.0,1.0 ) * ( cResult - cTextureScreen.rgb );","if( grayscale ) {","cResult = vec3( cResult.r * 0.3 + cResult.g * 0.59 + cResult.b * 0.11 );","}","gl_FragColor =  vec4( cResult, cTextureScreen.a );","}"].join("\n")};
//http://threejs.org/examples/js/shaders/ColorCorrectionShader.js
THREE.ColorCorrectionShader={uniforms:{tDiffuse:{type:"t",value:null},powRGB:{type:"v3",value:new THREE.Vector3(2,2,2)},mulRGB:{type:"v3",value:new THREE.Vector3(1,1,1)},addRGB:{type:"v3",value:new THREE.Vector3(0,0,0)}},vertexShader:["varying vec2 vUv;","void main() {","vUv = uv;","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform sampler2D tDiffuse;","uniform vec3 powRGB;","uniform vec3 mulRGB;","uniform vec3 addRGB;","varying vec2 vUv;","void main() {","gl_FragColor = texture2D( tDiffuse, vUv );","gl_FragColor.rgb = mulRGB * pow( ( gl_FragColor.rgb + addRGB ), powRGB );","}"].join("\n")};
//http://threejs.org/examples/js/shaders/BrightnessContrastShader.js
THREE.BrightnessContrastShader={uniforms:{tDiffuse:{type:"t",value:null},brightness:{type:"f",value:0},contrast:{type:"f",value:0}},vertexShader:["varying vec2 vUv;","void main() {","vUv = uv;","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform sampler2D tDiffuse;","uniform float brightness;","uniform float contrast;","varying vec2 vUv;","void main() {","gl_FragColor = texture2D( tDiffuse, vUv );","gl_FragColor.rgb += brightness;","if (contrast > 0.0) {","gl_FragColor.rgb = (gl_FragColor.rgb - 0.5) / (1.0 - contrast) + 0.5;","} else {","gl_FragColor.rgb = (gl_FragColor.rgb - 0.5) * (1.0 + contrast) + 0.5;","}","}"].join("\n")};
//http://threejs.org/examples/js/shaders/FXAAShader.js
THREE.FXAAShader={uniforms:{tDiffuse:{type:"t",value:null},resolution:{type:"v2",value:new THREE.Vector2(1/1024,1/512)}},vertexShader:["void main() {","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform sampler2D tDiffuse;","uniform vec2 resolution;","#define FXAA_REDUCE_MIN   (1.0/128.0)","#define FXAA_REDUCE_MUL   (1.0/8.0)","#define FXAA_SPAN_MAX     8.0","void main() {","vec3 rgbNW = texture2D( tDiffuse, ( gl_FragCoord.xy + vec2( -1.0, -1.0 ) ) * resolution ).xyz;","vec3 rgbNE = texture2D( tDiffuse, ( gl_FragCoord.xy + vec2( 1.0, -1.0 ) ) * resolution ).xyz;","vec3 rgbSW = texture2D( tDiffuse, ( gl_FragCoord.xy + vec2( -1.0, 1.0 ) ) * resolution ).xyz;","vec3 rgbSE = texture2D( tDiffuse, ( gl_FragCoord.xy + vec2( 1.0, 1.0 ) ) * resolution ).xyz;","vec4 rgbaM  = texture2D( tDiffuse,  gl_FragCoord.xy  * resolution );","vec3 rgbM  = rgbaM.xyz;","vec3 luma = vec3( 0.299, 0.587, 0.114 );","float lumaNW = dot( rgbNW, luma );","float lumaNE = dot( rgbNE, luma );","float lumaSW = dot( rgbSW, luma );","float lumaSE = dot( rgbSE, luma );","float lumaM  = dot( rgbM,  luma );","float lumaMin = min( lumaM, min( min( lumaNW, lumaNE ), min( lumaSW, lumaSE ) ) );","float lumaMax = max( lumaM, max( max( lumaNW, lumaNE) , max( lumaSW, lumaSE ) ) );","vec2 dir;","dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));","dir.y =  ((lumaNW + lumaSW) - (lumaNE + lumaSE));","float dirReduce = max( ( lumaNW + lumaNE + lumaSW + lumaSE ) * ( 0.25 * FXAA_REDUCE_MUL ), FXAA_REDUCE_MIN );","float rcpDirMin = 1.0 / ( min( abs( dir.x ), abs( dir.y ) ) + dirReduce );","dir = min( vec2( FXAA_SPAN_MAX,  FXAA_SPAN_MAX),","max( vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),","dir * rcpDirMin)) * resolution;","vec4 rgbA = (1.0/2.0) * (","texture2D(tDiffuse,  gl_FragCoord.xy  * resolution + dir * (1.0/3.0 - 0.5)) +","texture2D(tDiffuse,  gl_FragCoord.xy  * resolution + dir * (2.0/3.0 - 0.5)));","vec4 rgbB = rgbA * (1.0/2.0) + (1.0/4.0) * (","texture2D(tDiffuse,  gl_FragCoord.xy  * resolution + dir * (0.0/3.0 - 0.5)) +","texture2D(tDiffuse,  gl_FragCoord.xy  * resolution + dir * (3.0/3.0 - 0.5)));","float lumaB = dot(rgbB, vec4(luma, 0.0));","if ( ( lumaB < lumaMin ) || ( lumaB > lumaMax ) ) {","gl_FragColor = rgbA;","} else {","gl_FragColor = rgbB;","}","}"].join("\n")};
//http://threejs.org/examples/js/postprocessing/EffectComposer.js
THREE.EffectComposer=function(e,r){if(this.renderer=e,void 0===r){var t=e.getPixelRatio(),s=Math.floor(e.context.canvas.width/t)||1,i=Math.floor(e.context.canvas.height/t)||1,a={minFilter:THREE.LinearFilter,magFilter:THREE.LinearFilter,format:THREE.RGBFormat,stencilBuffer:!1};r=new THREE.WebGLRenderTarget(s,i,a)}this.renderTarget1=r,this.renderTarget2=r.clone(),this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2,this.passes=[],void 0===THREE.CopyShader&&console.error("THREE.EffectComposer relies on THREE.CopyShader"),this.copyPass=new THREE.ShaderPass(THREE.CopyShader)},THREE.EffectComposer.prototype={swapBuffers:function(){var e=this.readBuffer;this.readBuffer=this.writeBuffer,this.writeBuffer=e},addPass:function(e){this.passes.push(e)},insertPass:function(e,r){this.passes.splice(r,0,e)},render:function(e){this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2;var r,t,s=!1,i=this.passes.length;for(t=0;i>t;t++)if(r=this.passes[t],r.enabled){if(r.render(this.renderer,this.writeBuffer,this.readBuffer,e,s),r.needsSwap){if(s){var a=this.renderer.context;a.stencilFunc(a.NOTEQUAL,1,4294967295),this.copyPass.render(this.renderer,this.writeBuffer,this.readBuffer,e),a.stencilFunc(a.EQUAL,1,4294967295)}this.swapBuffers()}r instanceof THREE.MaskPass?s=!0:r instanceof THREE.ClearMaskPass&&(s=!1)}},reset:function(e){if(void 0===e){e=this.renderTarget1.clone();var r=this.renderer.getPixelRatio();e.width=Math.floor(this.renderer.context.canvas.width/r),e.height=Math.floor(this.renderer.context.canvas.height/r)}this.renderTarget1.dispose(),this.renderTarget1=e,this.renderTarget2.dispose(),this.renderTarget2=e.clone(),this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2},setSize:function(e,r){this.renderTarget1.setSize(e,r),this.renderTarget2.setSize(e,r)}};
//http://threejs.org/examples/js/postprocessing/RenderPass.js
THREE.RenderPass=function(e,r,l,a,o){this.scene=e,this.camera=r,this.overrideMaterial=l,this.clearColor=a,this.clearAlpha=void 0!==o?o:1,this.oldClearColor=new THREE.Color,this.oldClearAlpha=1,this.enabled=!0,this.clear=!0,this.needsSwap=!1},THREE.RenderPass.prototype={render:function(e,r,l,a){this.scene.overrideMaterial=this.overrideMaterial,this.clearColor&&(this.oldClearColor.copy(e.getClearColor()),this.oldClearAlpha=e.getClearAlpha(),e.setClearColor(this.clearColor,this.clearAlpha)),e.render(this.scene,this.camera,l,this.clear),this.clearColor&&e.setClearColor(this.oldClearColor,this.oldClearAlpha),this.scene.overrideMaterial=null}};
//http://threejs.org/examples/js/postprocessing/MaskPass.js
THREE.MaskPass=function(e,s){this.scene=e,this.camera=s,this.enabled=!0,this.clear=!0,this.needsSwap=!1,this.inverse=!1},THREE.MaskPass.prototype={render:function(e,s,t,a){var n=e.context;n.colorMask(!1,!1,!1,!1),n.depthMask(!1);var i,r;this.inverse?(i=0,r=1):(i=1,r=0),n.enable(n.STENCIL_TEST),n.stencilOp(n.REPLACE,n.REPLACE,n.REPLACE),n.stencilFunc(n.ALWAYS,i,4294967295),n.clearStencil(r),e.render(this.scene,this.camera,t,this.clear),e.render(this.scene,this.camera,s,this.clear),n.colorMask(!0,!0,!0,!0),n.depthMask(!0),n.stencilFunc(n.EQUAL,1,4294967295),n.stencilOp(n.KEEP,n.KEEP,n.KEEP)}},THREE.ClearMaskPass=function(){this.enabled=!0},THREE.ClearMaskPass.prototype={render:function(e,s,t,a){var n=e.context;n.disable(n.STENCIL_TEST)}};
//http://threejs.org/examples/js/postprocessing/ShaderPass.js
THREE.ShaderPass=function(e,r){this.textureID=void 0!==r?r:"tDiffuse",this.uniforms=THREE.UniformsUtils.clone(e.uniforms),this.material=new THREE.ShaderMaterial({defines:e.defines||{},uniforms:this.uniforms,vertexShader:e.vertexShader,fragmentShader:e.fragmentShader}),this.renderToScreen=!1,this.enabled=!0,this.needsSwap=!0,this.clear=!1,this.camera=new THREE.OrthographicCamera(-1,1,1,-1,0,1),this.scene=new THREE.Scene,this.quad=new THREE.Mesh(new THREE.PlaneBufferGeometry(2,2),null),this.scene.add(this.quad)},THREE.ShaderPass.prototype={render:function(e,r,t,s){this.uniforms[this.textureID]&&(this.uniforms[this.textureID].value=t),this.quad.material=this.material,this.renderToScreen?e.render(this.scene,this.camera):e.render(this.scene,this.camera,r,this.clear)}};