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| // Glam - A WebGL Rendering Engine: https://github.com/glamjs/glam | |
| // This demo shows off how to create a wireframe | |
| // Load in all of the dependencies to start | |
| var Glam = require('glam') | |
| var Bunny = require('bunny') | |
| var Normals = require('normals') | |
| var Vec3 = require('gl-vec3') | |
| var CreateVignette = require('gl-vignette-background') | |
| var WireframeCells = require('gl-wireframe') | |
| // This is the main function that will run our code | |
| Glam.Engine(function( engine, scene ) { | |
| var camera = Glam.PerspectiveCamera() | |
| var mesh = createBunnyMesh( scene ) | |
| var lights = createLights( scene ) | |
| scene.add( camera ) | |
| createAndRenderBackground( engine.renderer ) | |
| engine.on('update', function( event ) { | |
| // Rotate the bunny mesh with the elapsed time using euler angles | |
| mesh.euler[1] = event.elapsed * 0.001 | |
| mesh.euler[0] = Math.sin( event.elapsed * 0.0001 ) | |
| // Now render the scene | |
| scene.render( camera ) | |
| }) | |
| }) | |
| function createLights( scene ) { | |
| var lights = [] | |
| lights[0] = Glam.DirectionalLight({ | |
| color: [ 0.8, 0.5, 0.3 ], | |
| direction: [ 0.5, -0.5, 0.5 ] | |
| }) | |
| lights[1] = Glam.DirectionalLight({ | |
| color: [ 0.9, 0.9, 1.0 ], | |
| direction: [ 0.0, 1.0, 0.0 ] | |
| }) | |
| lights[2] = Glam.DirectionalLight({ | |
| color: [ 0.1, 0.3, 0.4 ], | |
| direction: [ -0.5, -0.3, 0.2 ] | |
| }) | |
| // Scale down the color and add the lights | |
| lights.forEach(function( light ) { | |
| Vec3.scale( light.color, light.color, 0.5 ) | |
| scene.add( light ) | |
| }) | |
| return lights | |
| } | |
| function createBunnyMesh( scene ) { | |
| // Create the bunny mesh, which is a collection of a geometry and material. | |
| // Set up a lit material with the lambert reflectance model | |
| var material = | |
| Glam.LitMaterial({ | |
| color: [0.5,0.5,0.5] // Ambient color | |
| }) | |
| .use( Glam.LambertAugment, { | |
| diffuse: [1,1,1] | |
| }) | |
| // Our bunny model didn't come with normals, so add them here | |
| Bunny.normals = Normals.vertexNormals(Bunny.cells, Bunny.positions) | |
| // Feed the bunny "simplicial complex" into a Glam geometry | |
| var geometry = Glam.Geometry( Bunny ) | |
| geometry.data.cells = WireframeCells( Bunny.cells ) | |
| material.mode = "LINES" | |
| var mesh = Glam.Mesh( geometry, material ) | |
| mesh.position[1] = -5 | |
| mesh.position[2] = -20 | |
| scene.add( mesh ) | |
| return mesh | |
| } | |
| function createAndRenderBackground( renderer ) { | |
| // Use gl-vignette-background to create a nice background | |
| var gl = renderer.gl | |
| var background = CreateVignette( gl ) | |
| // Style the background | |
| background.style({ | |
| color1: [0.45, 0.48, 0.5], | |
| color2: [0.0, 0.05, 0.1], | |
| smoothing: [ -0.5, 1.0 ], | |
| noiseAlpha: 0.1, | |
| offset: [ 0, -0.25 ], | |
| }) | |
| // Use the beforerender event to render the background. This | |
| // hijacks the scene graph and allows gl-vignette-background to use its | |
| // own gl calls. Temporarily disable depth testing so that it will always | |
| // be behind the model. | |
| renderer.on('beforerender', function() { | |
| gl.disable( gl.DEPTH_TEST ) | |
| background.draw() | |
| gl.enable( gl.DEPTH_TEST ) | |
| }) | |
| } |
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| require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createFog;var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _setUniforms=require("./set-uniforms");var _setUniforms2=_interopRequireDefault(_setUniforms);var _useAugment=require("../use-augment");var _useAugment2=_interopRequireDefault(_useAugment);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function Fog(material,fogConfig){this.flags=(0,_objectAssign2.default)({},material.flags,{recompile:true});this.fragSource=material.fragSource;this.vertSource=material.vertSource;this.defines=material.defines.concat("FOG");this.shader=null;this.mode=material.mode;this.setUniforms=material.setUniforms.concat(_setUniforms2.default);this.setAttributes=material.setAttributes.slice();this.shading=(0,_objectAssign2.default)({fog:fogConfig},material.shading);this.use=_useAugment2.default.bind(null,this)}function createFog(material,properties){var fogConfig=(0,_objectAssign2.default)({near:10,far:100,color:[.4,.4,.5]},properties);if(typeof material==="function"){return function createMaterialWithFog(){var arity=material.length;var originalMaterialArgs=Array.prototype.slice.call(arguments,0,arity);var newFogConfig=(0,_objectAssign2.default)({},fogConfig,arguments[arity]);return new Fog(material.apply(this,originalMaterialArgs),newFogConfig)}}else{return new Fog(material,fogConfig)}}},{"../use-augment":7,"./set-uniforms":2,"object-assign":228}],2:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setUniforms;function setUniforms(shader,camera,mesh){shader.uniforms.uFog.near=mesh.material.shading.fog.near;shader.uniforms.uFog.far=mesh.material.shading.fog.far;shader.uniforms.uFog.color=mesh.material.shading.fog.color}},{}],3:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createLambert;var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _setUniforms=require("./set-uniforms");var _setUniforms2=_interopRequireDefault(_setUniforms);var _useAugment=require("../use-augment");var _useAugment2=_interopRequireDefault(_useAugment);var _setUniforms3=require("../../light/directional/set-uniforms");var _setUniforms4=_interopRequireDefault(_setUniforms3);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function Lambert(material,config){this.flags=(0,_objectAssign2.default)({},material.flags,{recompile:true,useLights:true});this.fragSource=material.fragSource;this.vertSource=material.vertSource;this.defines=material.defines.concat("LAMBERT");this.shader=null;this.mode=material.mode;this.setUniforms=material.setUniforms.concat([_setUniforms2.default,_setUniforms4.default]);this.setAttributes=material.setAttributes.slice();this.shading=material.shading;this.use=_useAugment2.default.bind(null,this);this.shading=(0,_objectAssign2.default)({lambert:config},material.shading)}function createLambert(material,properties){var config=(0,_objectAssign2.default)({diffuse:[1,1,1]},properties);if(typeof material==="function"){return function createMaterialWithLambert(){var arity=material.length;var originalMaterialArgs=Array.prototype.slice.call(arguments,0,arity);var newConfig=(0,_objectAssign2.default)({},config,arguments[arity]);return new Lambert(material.apply(this,originalMaterialArgs),newConfig)}}else{return new Lambert(material,config)}}},{"../../light/directional/set-uniforms":21,"../use-augment":7,"./set-uniforms":4,"object-assign":228}],4:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setUniforms;function setUniforms(shader,camera,mesh){shader.uniforms.uLambertDiffuse=mesh.material.shading.lambert.diffuse}},{}],5:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createNormalColor;var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _setUniforms=require("./set-uniforms");var _setUniforms2=_interopRequireDefault(_setUniforms);var _useAugment=require("../use-augment");var _useAugment2=_interopRequireDefault(_useAugment);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function NormalColor(material,normalConfig){this.name="normalColor";this.flags=(0,_objectAssign2.default)({},material.flags,{recompile:true});this.fragSource=material.fragSource;this.vertSource=material.vertSource;this.defines=material.defines.concat(["NORMAL_COLOR","NORMAL"]);this.shader=null;this.mode=material.mode;this.setUniforms=material.setUniforms.concat(_setUniforms2.default);this.setAttributes=material.setAttributes.slice();this.shading=(0,_objectAssign2.default)({normalColor:normalConfig},material.shading);this.use=_useAugment2.default.bind(null,this)}function createNormalColor(material,properties){var normalConfig=(0,_objectAssign2.default)({amount:1},properties);if(typeof material==="function"){return function createMaterialWithNormalColor(){var arity=material.length;var originalMaterialArgs=Array.prototype.slice.call(arguments,0,arity);var newNormalConfig=(0,_objectAssign2.default)({},normalConfig,arguments[arity]);return new NormalColor(material.apply(this,originalMaterialArgs),newNormalConfig)}}else{return new NormalColor(material,normalConfig)}}},{"../use-augment":7,"./set-uniforms":6,"object-assign":228}],6:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setUniforms;function setUniforms(shader,camera,mesh){shader.uniforms.uNormalColorAmount=mesh.material.shading.normalColor.amount}},{}],7:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=useAugment;function useAugment(oldMaterial,newMaterial,properties){return newMaterial(oldMaterial,properties)}},{}],8:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=perspective;var _perspectiveCamera=require("perspective-camera");var _perspectiveCamera2=_interopRequireDefault(_perspectiveCamera);var _create=require("gl-mat3/create");var _create2=_interopRequireDefault(_create);var _create3=require("gl-mat4/create");var _create4=_interopRequireDefault(_create3);var _useControls=require("../use-controls");var _useControls2=_interopRequireDefault(_useControls);var _update=require("./update");var _update2=_interopRequireDefault(_update);var _updateNormal=require("./update-normal");var _updateNormal2=_interopRequireDefault(_updateNormal);var _updateModelView=require("./update-model-view");var _updateModelView2=_interopRequireDefault(_updateModelView);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function PerspectiveCamera(camera){camera.flags={autoUpdate:true,autoUpdateViewport:true,autoUpdateControls:true};camera.modelView=(0,_create4.default)();camera.normal=(0,_create2.default)();camera.updateMatrices=camera.update;camera.updateModelView=_updateModelView2.default.bind(null,camera);camera.updateNormal=_updateNormal2.default.bind(null,camera);camera.update=_update2.default.bind(null,camera);camera.use=_useControls2.default.bind(null,camera);return camera}function perspective(properties){return PerspectiveCamera((0,_perspectiveCamera2.default)(properties))}},{"../use-controls":12,"./update":11,"./update-model-view":9,"./update-normal":10,"gl-mat3/create":137,"gl-mat4/create":142,"perspective-camera":240}],9:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateModelView;var _multiply=require("gl-mat4/multiply");var _multiply2=_interopRequireDefault(_multiply);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function updateModelView(camera,model){(0,_multiply2.default)(camera.modelView,camera.view,model)}},{"gl-mat4/multiply":151}],10:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateNormal;var _normalFromMat=require("gl-mat3/normal-from-mat4");var _normalFromMat2=_interopRequireDefault(_normalFromMat);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function updateNormal(camera){(0,_normalFromMat2.default)(camera.normal,camera.modelView)}},{"gl-mat3/normal-from-mat4":138}],11:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=function(camera,canvas){if(camera.flags.autoUpdateViewport){camera.viewport[0]=0;camera.viewport[1]=0;camera.viewport[2]=canvas.width;camera.viewport[3]=canvas.height}if(camera.flags.autoUpdate){camera.updateMatrices()}}},{}],12:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=useControls;function useControls(camera,createControls,settings){var baseUpdate=camera.update;camera.controls=createControls(camera,settings);camera.update=function updateCamera(canvas){if(camera.flags.autoUpdateControls){camera.controls.update()}baseUpdate(canvas)};return camera}},{}],13:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createOrbitControls;var _orbitControls=require("orbit-controls");var _orbitControls2=_interopRequireDefault(_orbitControls);var _update=require("./update");var _update2=_interopRequireDefault(_update);var _glVec=require("gl-vec3");function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function OrbitControls(camera,properties){var controls=(0,_orbitControls2.default)(properties);controls.camera=camera;controls.updateController=controls.update;controls.update=_update2.default.bind(null,controls);return controls}function createOrbitControls(camera,properties){return OrbitControls(camera,properties)}},{"./update":14,"gl-vec3":206,"orbit-controls":229}],14:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateOrbitControls;function updateOrbitControls(controls){controls.updateController(controls.camera.position,controls.camera.direction,controls.camera.up)}},{}],15:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=bootEngine;function bootEngine(engine,config,onReady){if(onReady){engine.emitter.on("ready",onReady)}setTimeout(function(){engine.start();if(config.autoStart){engine.loop.start()}},10)}},{}],16:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createEngineRouter;var _forward=require("../renderer/forward");var _forward2=_interopRequireDefault(_forward);var _loop=require("./loop");var _loop2=_interopRequireDefault(_loop);var _boot=require("./boot");var _boot2=_interopRequireDefault(_boot);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _scene=require("../scene");var _scene2=_interopRequireDefault(_scene);var _start=require("./start/");var _start2=_interopRequireDefault(_start);var _eventemitter=require("eventemitter3");var _eventemitter2=_interopRequireDefault(_eventemitter);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function _typeof(obj){return obj&&typeof Symbol!=="undefined"&&obj.constructor===Symbol?"symbol":typeof obj}function Engine(config){this.loop=(0,_loop2.default)(config);this.emitter=this.loop.emitter;this.on=this.loop.on;this.off=this.loop.off;this.start=_start2.default.bind(null,this);this.scene=null;this.renderer=null}function createEngine(properties,onReady){var config=(0,_objectAssign2.default)({renderer:undefined,scene:undefined,emitter:new _eventemitter2.default,customizeEvent:undefined,autoStart:true},properties);var engine=new Engine(config);if(config.renderer===undefined){var rendererConfig=(0,_objectAssign2.default)({emitter:engine.emitter},config.scene);engine.renderer=(0,_forward2.default)(rendererConfig)}if(config.scene===undefined){var sceneConfig=(0,_objectAssign2.default)({renderer:engine.renderer,emitter:engine.emitter},config.renderer);engine.scene=(0,_scene2.default)(sceneConfig)}(0,_boot2.default)(engine,config,onReady);return engine}function createEngineRouter(a,b){var properties,onReady;if((typeof a==="undefined"?"undefined":_typeof(a))==="object")properties=a;if((typeof b==="undefined"?"undefined":_typeof(b))==="object")properties=b;if(typeof a==="function")onReady=a;if(typeof b==="function")onReady=b;return createEngine(properties,onReady)}},{"../renderer/forward":35,"../scene":45,"./boot":15,"./loop":17,"./start/":18,eventemitter3:113,"object-assign":228}],17:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=loop;var _poemLoop=require("poem-loop");var _poemLoop2=_interopRequireDefault(_poemLoop);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function _typeof(obj){return obj&&typeof Symbol!=="undefined"&&obj.constructor===Symbol?"symbol":typeof obj}function loop(propertiesOrBoolean){var properties;if((typeof propertiesOrBoolean==="undefined"?"undefined":_typeof(propertiesOrBoolean))==="object"){properties=propertiesOrBoolean}else{if(propertiesOrBoolean){properties={}}else{return null}}var loop=(0,_poemLoop2.default)(properties);loop.on=loop.emitter.on.bind(loop.emitter);loop.off=loop.emitter.removeListener.bind(loop.emitter);return loop}},{"poem-loop":258}],18:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=start;function start(engine){engine.emitter.emit("ready",engine,engine.scene,engine.renderer)}},{}],19:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=geometry;function Geometry(simplicialComplex){this.flags={updateBuffers:true};this.buffers=null;this.data={positions:simplicialComplex.positions,cells:simplicialComplex.cells,normals:simplicialComplex.normals}}function geometry(simplicialComplex){return new Geometry(simplicialComplex?simplicialComplex:{})}},{}],20:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createDirectionalLight;var _meta=require("../../mesh/meta");var _meta2=_interopRequireDefault(_meta);var _transform=require("../../transform");var _transform2=_interopRequireDefault(_transform);var _update=require("./update");var _update2=_interopRequireDefault(_update);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function DirectionalLight(config){this.meta=(0,_meta2.default)();this.transform=(0,_transform2.default)(this);this.type=["light","light/directional"];this.flags={autoNormalizeDirection:true};this.direction=config.direction;this.color=config.color;this.update=_update2.default.bind(null,this,{direction:Array(3)})}function createDirectionalLight(properties){var config=(0,_objectAssign2.default)({direction:[0,1,0],color:[1,1,1]},properties);return new DirectionalLight(config)}},{"../../mesh/meta":30,"../../transform":54,"./update":22,"object-assign":228}],21:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setUniforms;function setUniforms(shader,camera,mesh,lights){for(var i=0;i<lights.length;i++){shader.uniforms.uDirectionalLights[i].direction=lights[i].direction;shader.uniforms.uDirectionalLights[i].color=lights[i].color}}},{}],22:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateLight;var _normalize=require("gl-vec3/normalize");var _normalize2=_interopRequireDefault(_normalize);var _copy=require("gl-vec3/copy");var _copy2=_interopRequireDefault(_copy);var _updateScaleless=require("../../transform/update-scaleless");var _updateScaleless2=_interopRequireDefault(_updateScaleless);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function updateLight(light,previous,shader){if(light.flags.autoNormalizeDirection&&(previous.direction[0]!==light.direction[0]||previous.direction[1]!==light.direction[1]||previous.direction[2]!==light.direction[2])){(0,_normalize2.default)(light.direction,light.direction);(0,_copy2.default)(previous.direction,light.direction)}(0,_updateScaleless2.default)(light.transform)}},{"../../transform/update-scaleless":56,"gl-vec3/copy":198,"gl-vec3/normalize":214}],23:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createFlatMaterial;var _glShader=require("gl-shader");var _glShader2=_interopRequireDefault(_glShader);var _setUniforms=require("./set-uniforms");var _setUniforms2=_interopRequireDefault(_setUniforms);var _setAttributes=require("./set-attributes");var _setAttributes2=_interopRequireDefault(_setAttributes);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _useAugment=require("../../augment/use-augment");var _useAugment2=_interopRequireDefault(_useAugment);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}var fragSource="#define GLSLIFY 1\nprecision mediump float;\n#define SHADER_NAME flat material\n\nuniform vec3 uColor;\nuniform float uOpacity;\n\n#ifdef CAMERA\n struct Camera {\n vec3 position;\n mat4 view;\n mat4 projection;\n mat4 modelView;\n mat3 normal;\n };\n#endif\n\n#ifdef CAMERA\n varying vec3 vCameraPosition;\n varying vec3 vCameraDirection;\n varying float vCameraDistance;\n#endif\n\n#ifdef FOG\n struct Fog {\n float near;\n float far;\n vec3 color;\n };\n\n uniform Fog uFog;\n \n float calculateFog(\n const float cameraDistance,\n const float near,\n const float far\n ) {\n return 1.0 - clamp((far - cameraDistance) / (far - near), 0.0, 1.0);\n }\n#endif\n\nvoid main() {\n \n gl_FragColor.rgb = uColor;\n gl_FragColor.a = uOpacity;\n\n \n #ifdef FOG\n gl_FragColor.rgb = mix(\n gl_FragColor.rgb,\n uFog.color,\n calculateFog( vCameraDistance, uFog.near, uFog.far)\n );\n #endif\n\n}\n";var vertSource="#define GLSLIFY 1\nuniform mat4 uModel;\nattribute vec3 aPosition;\n\n#ifdef CAMERA\n struct Camera {\n vec3 position;\n mat4 view;\n mat4 projection;\n mat4 modelView;\n mat3 normal;\n };\n#endif\n\n#ifdef CAMERA\n uniform Camera uCamera;\n varying vec3 vCameraPosition;\n varying vec3 vCameraDirection;\n varying float vCameraDistance;\n#endif\n\nvoid main() {\n \n #ifdef CAMERA\n vec4 globalPosition = uModel * vec4( aPosition, 1.0 );\n vCameraPosition = uCamera.position;\n vCameraDistance = distance(uCamera.position, globalPosition.xyz);\n vCameraDirection = normalize(uCamera.position - globalPosition.xyz);\n gl_Position = uCamera.projection * uCamera.view * globalPosition;\n #endif\n}\n";function FlatMaterial(shadingConfig){this.flags={visible:true,transparent:false,recompile:true,useLights:false};this.fragSource=fragSource;this.vertSource=vertSource;this.defines=["CAMERA"];this.shader=null;this.mode="TRIANGLES";this.setUniforms=[_setUniforms2.default];this.setAttributes=[_setAttributes2.default];this.shading=shadingConfig;this.use=_useAugment2.default.bind(null,this)}function createFlatMaterial(properties){var shadingConfig=(0,_objectAssign2.default)({color:[.1,.1,.1],opacity:1},properties);return new FlatMaterial(shadingConfig)}},{"../../augment/use-augment":7,"./set-attributes":24,"./set-uniforms":25,"gl-shader":170,"object-assign":228}],24:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setAttributes;function setAttributes(geometry,shader){geometry.buffers.attr("aPosition",geometry.data.positions);geometry.buffers.faces(geometry.data.cells)}},{}],25:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setUniforms;function setUniforms(shader,camera,mesh){shader.uniforms.uCamera.projection=camera.projection;shader.uniforms.uCamera.position=camera.position;shader.uniforms.uCamera.view=camera.view;shader.uniforms.uModel=mesh.transform.global;shader.uniforms.uColor=mesh.material.shading.color;shader.uniforms.uOpacity=mesh.material.shading.opacity}},{}],26:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createLitMaterial;var _glShader=require("gl-shader");var _glShader2=_interopRequireDefault(_glShader);var _setUniforms=require("./set-uniforms");var _setUniforms2=_interopRequireDefault(_setUniforms);var _setAttributes=require("./set-attributes");var _setAttributes2=_interopRequireDefault(_setAttributes);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _useAugment=require("../../augment/use-augment");var _useAugment2=_interopRequireDefault(_useAugment);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}var fragSource="#define GLSLIFY 1\nprecision mediump float;\n#define SHADER_NAME lit material\n\nuniform vec3 uColor;\nuniform float uOpacity;\nvarying vec3 vNormal;\n\n#ifdef CAMERA\n struct Camera {\n vec3 position;\n mat4 view;\n mat4 projection;\n mat4 modelView;\n mat3 normal;\n };\n#endif\n\n#ifdef CAMERA\n varying vec3 vCameraPosition;\n varying vec3 vCameraDirection;\n varying float vCameraDistance;\n#endif\n\n#ifdef FOG\n struct Fog {\n float near;\n float far;\n vec3 color;\n };\n\n uniform Fog uFog;\n \n float calculateFog(\n const float cameraDistance,\n const float near,\n const float far\n ) {\n return 1.0 - clamp((far - cameraDistance) / (far - near), 0.0, 1.0);\n }\n#endif\n\n#ifdef NORMAL_COLOR\n uniform float uNormalColorAmount;\n#endif\n\n#if defined(DIRECTIONAL_LIGHT_COUNT) && DIRECTIONAL_LIGHT_COUNT > 0\n struct DirectionalLight {\n vec3 direction;\n vec3 color;\n };\n uniform DirectionalLight uDirectionalLights[ DIRECTIONAL_LIGHT_COUNT ];\n#endif\n\n#if defined(LAMBERT) && defined(DIRECTIONAL_LIGHT_COUNT)\n \n uniform vec3 uLambertDiffuse;\n \n #if DIRECTIONAL_LIGHT_COUNT > 0\n void lambertianReflectance( inout vec3 color ) {\n\n for( int i=0; i < DIRECTIONAL_LIGHT_COUNT; i++ ) {\n \n DirectionalLight light = uDirectionalLights[i];\n \n float lightDotProduct = dot( normalize(vNormal), light.direction );\n float surfaceBrightness = max( 0.0, lightDotProduct );\n \n color += uLambertDiffuse * light.color * surfaceBrightness;\n }\n }\n #endif\n #if DIRECTIONAL_LIGHT_COUNT == 0\n void lambertianReflectance( inout vec3 color ) {\n // Do nothing\n }\n #endif\n \n#endif\n\nvoid main() {\n \n gl_FragColor.rgb = uColor;\n gl_FragColor.a = uOpacity;\n\n \n #ifdef FOG\n gl_FragColor.rgb = mix(\n gl_FragColor.rgb,\n uFog.color,\n calculateFog( vCameraDistance, uFog.near, uFog.far)\n );\n #endif\n \n #ifdef NORMAL_COLOR\n gl_FragColor.rgb = mix(\n gl_FragColor.rgb,\n vNormal * 0.5 + 0.5,\n uNormalColorAmount\n );\n #endif\n \n #if defined(LAMBERT) && defined(DIRECTIONAL_LIGHT_COUNT)\n lambertianReflectance( gl_FragColor.rgb );\n #endif\n}\n";var vertSource="#define GLSLIFY 1\nuniform mat4 uModel;\nattribute vec3 aPosition;\n\n#ifdef NORMAL\n attribute vec3 aNormal;\n varying vec3 vNormal;\n#endif\n\n#ifdef CAMERA\n struct Camera {\n vec3 position;\n mat4 view;\n mat4 projection;\n mat4 modelView;\n mat3 normal;\n };\n#endif\n\n#ifdef CAMERA\n uniform Camera uCamera;\n varying vec3 vCameraPosition;\n varying vec3 vCameraDirection;\n varying float vCameraDistance;\n#endif\n\nvoid main() {\n \n vNormal = uCamera.normal * aNormal;\n\n #ifdef CAMERA\n vec4 globalPosition = uModel * vec4( aPosition, 1.0 );\n vCameraPosition = uCamera.position;\n vCameraDistance = distance(uCamera.position, globalPosition.xyz);\n vCameraDirection = normalize(uCamera.position - globalPosition.xyz);\n gl_Position = uCamera.projection * uCamera.view * globalPosition;\n #endif\n}";function LitMaterial(shadingConfig){this.flags={visible:true,transparent:false,recompile:true,useLights:true};this.fragSource=fragSource;this.vertSource=vertSource;this.defines=["CAMERA","NORMAL"];this.shader=null;this.mode="TRIANGLES";this.setUniforms=[_setUniforms2.default];this.setAttributes=[_setAttributes2.default];this.shading=shadingConfig;this.use=_useAugment2.default.bind(null,this)}function createLitMaterial(properties){var shadingConfig=(0,_objectAssign2.default)({color:[.1,.1,.1],opacity:1},properties);return new LitMaterial(shadingConfig)}},{"../../augment/use-augment":7,"./set-attributes":27,"./set-uniforms":28,"gl-shader":170,"object-assign":228}],27:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setAttributes;function setAttributes(geometry,shader){if(!geometry.data.positions){throw new Error("Geometry did not any positions")}if(!geometry.data.normals){throw new Error("Geometry did not have any normals")}if(!geometry.data.cells){throw new Error("Geometry did not have any faces/cells")}geometry.buffers.attr("aNormal",geometry.data.normals);geometry.buffers.attr("aPosition",geometry.data.positions);geometry.buffers.faces(geometry.data.cells)}},{}],28:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setUniforms;function setUniforms(shader,camera,mesh){shader.uniforms.uCamera.projection=camera.projection;shader.uniforms.uCamera.position=camera.position;shader.uniforms.uCamera.view=camera.view;shader.uniforms.uCamera.modelView=camera.modelView;shader.uniforms.uCamera.normal=camera.normal;shader.uniforms.uModel=mesh.transform.global;shader.uniforms.uColor=mesh.material.shading.color;shader.uniforms.uOpacity=mesh.material.shading.opacity}},{}],29:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createMesh;var _meta=require("./meta");var _meta2=_interopRequireDefault(_meta);var _transform=require("../transform");var _transform2=_interopRequireDefault(_transform);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function Mesh(geometry,material){this.meta=(0,_meta2.default)();this.transform=(0,_transform2.default)(this);this.material=material;this.geometry=geometry;this.type=["mesh"]}function createMesh(geometry,material){return new Mesh(geometry,material)}},{"../transform":54,"./meta":30,"object-assign":228}],30:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createMeta;function Meta(){this.name=""}function createMeta(){return new Meta}},{}],31:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=autoAddCanvas;function autoAddCanvas(canvas,parentEl,doAppend){if(doAppend){parentEl.appendChild(canvas);return function removeCanvas(){parentEl.removeChild(canvas)}}return function doNothing(){}}},{}],32:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=autoResizeCanvas;var _canvasFit=require("canvas-fit");var _canvasFit2=_interopRequireDefault(_canvasFit);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function autoResizeCanvas(canvas,parentEl,doAutoResize){if(doAutoResize){var resize=(0,_canvasFit2.default)(canvas,parentEl);window.addEventListener("resize",resize,false);resize();return function stopResizeHandler(){window.removeEventListener("resize",resize,false)}}return function doNothing(){}}},{"canvas-fit":58}],33:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=buildDefines;function wordToExpression(define){return"#define "+define+"\n"}function buildDefines(material,scene){var flags=material.defines.map(wordToExpression).join("");if(material.flags.useLights){flags+="#define DIRECTIONAL_LIGHT_COUNT "+scene.getByType("light/directional").length+"\n"}return flags}},{}],34:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=clear;function clear(gl,config){var clearBits=0;if(config.colorBuffer){gl.clearColor(config.color[0],config.color[1],config.color[2],config.color[3]);clearBits|=gl.COLOR_BUFFER_BIT}if(config.depthBuffer)clearBits|=gl.DEPTH_BUFFER_BIT;if(config.stencilBuffer)clearBits|=gl.STENCIL_BUFFER_BIT;if(clearBits){gl.clear(clearBits)}}},{}],35:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createForwardRenderer;var _render=require("./render");var _render2=_interopRequireDefault(_render);var _webglContext=require("webgl-context");var _webglContext2=_interopRequireDefault(_webglContext);var _autoAddCanvas=require("./auto-add-canvas");var _autoAddCanvas2=_interopRequireDefault(_autoAddCanvas);var _autoResizeCanvas=require("./auto-resize-canvas");var _autoResizeCanvas2=_interopRequireDefault(_autoResizeCanvas);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);var _eventemitter=require("eventemitter3");var _eventemitter2=_interopRequireDefault(_eventemitter);var _shaderCache=require("../shader-cache");var _shaderCache2=_interopRequireDefault(_shaderCache);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function ForwardRenderer(gl,config,clear){var removeCanvas=(0,_autoAddCanvas2.default)(gl.canvas,config.parentEl,config.autoAddCanvas);var removeResize=(0,_autoResizeCanvas2.default)(gl.canvas,config.parentEl,config.autoResizeCanvas);this.gl=gl;this.canvas=gl.canvas;this.render=_render2.default.bind(null,this,(0,_shaderCache2.default)());this.clear=clear;this.emitter=config.emitter;this.on=config.emitter.on.bind(config.emitter);this.off=config.emitter.off.bind(config.emitter);this.emitter=config.emitter;this.destroy=function destroy(){removeCanvas();removeResize()}}function createForwardRenderer(properties){var config=(0,_objectAssign2.default)({autoAddCanvas:true,autoResizeCanvas:true,canvas:null,width:null,height:null,parentEl:document.body,emitter:null},properties);if(!config.emitter){config.emitter=new _eventemitter2.default}var clear=(0,_objectAssign2.default)({color:[1,1,1,1],colorBuffer:true,depthBuffer:true,stencilBuffer:true},config.clear);var gl=(0,_webglContext2.default)(config);if(!gl){return null}return new ForwardRenderer(gl,config,clear)}},{"../shader-cache":42,"./auto-add-canvas":31,"./auto-resize-canvas":32,"./render":36,eventemitter3:113,"object-assign":228,"webgl-context":260}],36:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=renderForwardScene;var _update=require("../../transform/update");var _update2=_interopRequireDefault(_update);var _updateShaders=require("./update-shaders");var _updateShaders2=_interopRequireDefault(_updateShaders); | |
| var _renderDone=require("../../scene/render-done");var _renderDone2=_interopRequireDefault(_renderDone);var _clear=require("./clear");var _clear2=_interopRequireDefault(_clear);var _updateLights=require("./update-lights");var _updateLights2=_interopRequireDefault(_updateLights);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function renderForwardScene(renderer,shaderCache,scene,camera){var gl=renderer.gl;var meshes=scene.getByType("mesh");var lights=scene.getByType("light");gl.enable(gl.DEPTH_TEST);gl.viewport(0,0,gl.canvas.width,gl.canvas.height);(0,_clear2.default)(gl,renderer.clear);if(scene.flags.changed){(0,_updateShaders2.default)(renderer.gl,shaderCache,meshes,lights,scene)}scene.updateTransforms();camera.update(renderer.canvas);(0,_updateLights2.default)(lights);renderer.emitter.emit("beforerender");for(var i=0;i<meshes.length;i++){var mesh=meshes[i];var material=mesh.material;var geometry=mesh.geometry;if(material&&geometry){if(material.shader.attributes.aNormal){camera.updateModelView(mesh.transform.global);camera.updateNormal()}geometry.buffers.bind(material.shader);material.setUniforms.forEach(function(fn){return fn(material.shader,camera,mesh,lights)});geometry.buffers.draw(gl[material.mode]);geometry.buffers.unbind()}}renderer.emitter.emit("afterrender");(0,_renderDone2.default)(scene)}},{"../../scene/render-done":52,"../../transform/update":57,"./clear":34,"./update-lights":37,"./update-shaders":38}],37:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateLights;function updateLights(lights){for(var i=0;i<lights.length;i++){lights[i].update()}}},{}],38:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateShaders;var _glGeometry=require("gl-geometry");var _glGeometry2=_interopRequireDefault(_glGeometry);var _buildDefines=require("./build-defines");var _buildDefines2=_interopRequireDefault(_buildDefines);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function updateShaders(gl,shaderCache,meshes,lights,scene){if(scene.flags.changed){shaderCache.clearMeshes()}var _loop=function _loop(i){var mesh=meshes[i];var material=mesh.material;var geometry=mesh.geometry;if(material&&(material.flags.recompile||scene.flags.lightsChanged)){var defines=(0,_buildDefines2.default)(material,scene);material.shader=shaderCache.getOrCreate(gl,mesh,defines);material.flags.recompile=false}if(geometry&&geometry.flags.updateBuffers){if(geometry.buffers){}else{geometry.buffers=(0,_glGeometry2.default)(gl);material.setAttributes.forEach(function(fn){return fn(geometry,material.shader)})}}};for(var i=0;i<meshes.length;i++){_loop(i)}if(scene.flags.changed){shaderCache.clearUnused()}}},{"./build-defines":33,"gl-geometry":114}],39:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=clearMeshes;function clearMeshes(cache){for(var key in cache){if(cache.hasOwnProperty(key)){cache[key].meshes=[]}}}},{}],40:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=clearUnused;function clearUnused(cache){for(var key in cache){if(cache.hasOwnProperty(key)){if(cache[key].meshes.length===0){delete cache[key]}}}}},{}],41:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createShaderOrGetCached;var _glShader=require("gl-shader");var _glShader2=_interopRequireDefault(_glShader);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function createShaderOrGetCached(cache,gl,mesh,defines){var material=mesh.material;var key=defines+material.vertSource+material.fragSource;var cachedEntry=cache[key];var shader=undefined;if(cachedEntry){shader=cachedEntry.shader;cachedEntry.meshes.push(mesh)}else{shader=(0,_glShader2.default)(gl,defines+material.vertSource,defines+material.fragSource);cache[key]={shader:shader,meshes:[mesh]}}return shader}},{"gl-shader":170}],42:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=shaderCache;var _clearMeshes=require("./clear-meshes");var _clearMeshes2=_interopRequireDefault(_clearMeshes);var _clearUnused=require("./clear-unused");var _clearUnused2=_interopRequireDefault(_clearUnused);var _getOrCreate=require("./get-or-create");var _getOrCreate2=_interopRequireDefault(_getOrCreate);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function shaderCache(){var cache={};return{clearMeshes:_clearMeshes2.default.bind(null,cache),clearUnused:_clearUnused2.default.bind(null,cache),getOrCreate:_getOrCreate2.default.bind(null,cache)}}},{"./clear-meshes":39,"./clear-unused":40,"./get-or-create":41}],43:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=setScenesRenderer;function _typeof(obj){return obj&&typeof Symbol!=="undefined"&&obj.constructor===Symbol?"symbol":typeof obj}function setScenesRenderer(scene,renderer){var render;if((typeof renderer==="undefined"?"undefined":_typeof(renderer))==="object"&&typeof renderer.render==="function"){scene.renderer=renderer;scene.render=renderer.render.bind(null,scene)}return scene}},{}],44:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=getNodesByType;function getNodesByType(graph,type){var list=graph.types[type];if(!list){list=graph.types[type]=[]}return list}},{}],45:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createScene;var _remove=require("./node/remove");var _remove2=_interopRequireDefault(_remove);var _add=require("./node/add");var _add2=_interopRequireDefault(_add);var _children=require("./node/children");var _children2=_interopRequireDefault(_children);var _parent=require("./node/parent");var _parent2=_interopRequireDefault(_parent);var _attachRenderer=require("./attach-renderer");var _attachRenderer2=_interopRequireDefault(_attachRenderer);var _getByType=require("./get-by-type");var _getByType2=_interopRequireDefault(_getByType);var _updateTransforms=require("./update-transforms");var _updateTransforms2=_interopRequireDefault(_updateTransforms);var _es6Map=require("es6-map");var _es6Map2=_interopRequireDefault(_es6Map);var _objectAssign=require("object-assign");var _objectAssign2=_interopRequireDefault(_objectAssign);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function Scene(){var graph={children:new _es6Map2.default,parent:new _es6Map2.default,types:{}};this.flags={changed:true};this.render=function doNothing(){};this.renderer=null;this.add=_add2.default.bind(null,this,graph);this.remove=_remove2.default.bind(null,this,graph);this.children=_children2.default.bind(null,this,graph);this.parent=_parent2.default.bind(null,graph);this.attachRenderer=_attachRenderer2.default.bind(null,this);this.getByType=_getByType2.default.bind(null,graph);this.updateTransforms=_updateTransforms2.default.bind(null,this,graph)}function createScene(properties){var scene=new Scene;if(properties&&properties.renderer){(0,_attachRenderer2.default)(scene,properties.renderer)}return scene}},{"./attach-renderer":43,"./get-by-type":44,"./node/add":46,"./node/children":47,"./node/parent":49,"./node/remove":50,"./update-transforms":53,"es6-map":60,"object-assign":228}],46:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.addChildToNode=addChildToNode;exports.default=add;var _updateTypes=require("./update-types");var _updateTypes2=_interopRequireDefault(_updateTypes);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function _typeof(obj){return obj&&typeof Symbol!=="undefined"&&obj.constructor===Symbol?"symbol":typeof obj}function addChildToNode(scene,graph,parent,child){if((typeof child==="undefined"?"undefined":_typeof(child))!=="object"){throw new Error("Only objects are allowed in the scene graph")}if(graph.parent.get(child)){throw new Error("The node was already added to the scene graph, it must be removed before adding it somewhere else.")}var children=scene.children(parent);children.push(child);graph.parent.set(child,parent);(0,_updateTypes2.default)(scene,graph,child,"add");scene.flags.changed=true}function add(scene,graph,a,b){var node,child;if(a&&b){node=a;child=b}else if(a&&!b){node=scene;child=a}else{throw new Error("Tried to add nothing to the scene.")}addChildToNode(scene,graph,node,child);return scene}},{"./update-types":51}],47:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.getNodesChildren=getNodesChildren;exports.default=getChildren;function getNodesChildren(graph,node){var children=graph.children.get(node);if(!children){children=[];graph.children.set(node,children)}return children}function getChildren(scene,graph,a){var node=a?a:scene;return getNodesChildren(graph,node)}},{}],48:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=isRooted;function isRooted(scene,graph,node){do{node=graph.parent.get(node)}while(node!==scene&&node!==undefined);return scene===node}},{}],49:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=getNodeParent;function getNodeParent(graph,node){return graph.parent.get(node)}},{}],50:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.nodeRemoveChild=nodeRemoveChild;exports.default=remove;var _updateTypes=require("./update-types");var _updateTypes2=_interopRequireDefault(_updateTypes);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function nodeRemoveChild(scene,graph,parent,child){var siblings=scene.children(parent);var index=siblings.indexOf(child);if(index>=0){(0,_updateTypes2.default)(scene,graph,child,"remove");scene.flags.changed=true;siblings.splice(index,1);graph.parent.delete(child)}}function remove(scene,graph,a,b){var node,child;if(a&&b){node=a;child=b}else if(a&&!b){node=scene;child=a}else{throw new Error("Tried to add nothing to the scene.")}nodeRemoveChild(scene,graph,node,child);return scene}},{"./update-types":51}],51:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.updateTypes=updateTypes;exports.default=updateTypesIfRooted;var _isRooted=require("./is-rooted");var _isRooted2=_interopRequireDefault(_isRooted);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}var BLANK=[];function updateTypes(scene,graph,node,addOrRemove){var types=node.type||BLANK;for(var i=0;i<types.length;i++){var type=types[i];var list=graph.types[type];if(!graph.types[type]){list=[];graph.types[type]=list}if(type==="light"){scene.flags.lightsChanged=true}if(addOrRemove==="add"){list.push(node)}else{var index=list.indexOf(node);if(index!==-1){list.splice(index,1)}}}var children=scene.children(node);for(var i=0;i<children.length;i++){updateTypes(scene,graph,children[i],addOrRemove)}}function updateTypesIfRooted(scene,graph,node,addOrRemove){if((0,_isRooted2.default)(scene,graph,node)){updateTypes(scene,graph,node,addOrRemove)}}},{"./is-rooted":48}],52:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=renderDone;function renderDone(scene){scene.flags.changed=false}},{}],53:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.walkAndUpdateTransforms=walkAndUpdateTransforms;exports.default=updateGlobalTransforms;var _update=require("../transform/update");var _update2=_interopRequireDefault(_update);var _glMat=require("gl-mat4");function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function _typeof(obj){return obj&&typeof Symbol!=="undefined"&&obj.constructor===Symbol?"symbol":typeof obj}var IDENTITY=(0,_glMat.identity)(Array(16));function walkAndUpdateTransforms(graph,children,parentMatrix){for(var i=0;i<children.length;i++){var nextMatrix=parentMatrix;var node=children[i];if(_typeof(node.transform)==="object"){if(node.transform.flags.autoUpdate){(0,_update2.default)(node.transform);var localMatrix=node.transform.local;var globalMatrix=node.transform.global;(0,_glMat.multiply)(globalMatrix,parentMatrix,localMatrix);nextMatrix=globalMatrix}else{nextMatrix=node.transform.global}}walkAndUpdateTransforms(graph,graph.children.get(node),nextMatrix)}}function updateGlobalTransforms(scene,graph){var children=graph.children.get(scene);for(var i=0;i<children.length;i++){var node=children[i];var nextMatrix=IDENTITY;if(_typeof(node.transform)==="object"){if(node.transform.flags.autoUpdate){(0,_update2.default)(node.transform);(0,_glMat.copy)(node.transform.global,node.transform.local)}nextMatrix=node.transform.global}walkAndUpdateTransforms(graph,scene.children(node),nextMatrix)}}},{"../transform/update":57,"gl-mat4":148}],54:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=createTransform;var _create=require("gl-mat4/create");var _create2=_interopRequireDefault(_create);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}function Transform(){this.flags={autoUpdate:true,useEuler:true},this.position=[0,0,0];this.globalPosition=[0,0,0];this.scale=[1,1,1];this.quaternion=[0,0,0,1];this.euler=[0,0,0];this.eulerOrder=["x","y","z"];this.local=(0,_create2.default)();this.global=(0,_create2.default)()}function createTransform(decoratee){var transform=new Transform;if(decoratee){decoratee.position=transform.position;decoratee.quaternion=transform.quaternion;decoratee.euler=transform.euler;decoratee.scale=transform.scale}return transform}},{"gl-mat4/create":142}],55:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateEuler;var _identity=require("gl-quat/identity");var _identity2=_interopRequireDefault(_identity);var _rotateX=require("gl-quat/rotateX");var _rotateX2=_interopRequireDefault(_rotateX);var _rotateY=require("gl-quat/rotateY");var _rotateY2=_interopRequireDefault(_rotateY);var _rotateZ=require("gl-quat/rotateZ");var _rotateZ2=_interopRequireDefault(_rotateZ);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}var rotate={x:_rotateX2.default,y:_rotateY2.default,z:_rotateZ2.default};function updateEuler(transform){if(transform.flags.useEuler){var quat=transform.quaternion;var rotateA=rotate[transform.eulerOrder[0]];var rotateB=rotate[transform.eulerOrder[1]];var rotateC=rotate[transform.eulerOrder[2]];(0,_identity2.default)(quat);rotateA(quat,quat,transform.euler[0]);rotateB(quat,quat,transform.euler[1]);rotateC(quat,quat,transform.euler[2])}}},{"gl-quat/identity":163,"gl-quat/rotateX":167,"gl-quat/rotateY":168,"gl-quat/rotateZ":169}],56:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateTransform;var _create=require("gl-mat4/create");var _create2=_interopRequireDefault(_create);var _fromRotationTranslation=require("gl-mat4/fromRotationTranslation");var _fromRotationTranslation2=_interopRequireDefault(_fromRotationTranslation);var _multiply=require("gl-mat4/multiply");var _multiply2=_interopRequireDefault(_multiply);var _identity=require("gl-mat4/identity");var _identity2=_interopRequireDefault(_identity);var _copy=require("gl-mat4/copy");var _copy2=_interopRequireDefault(_copy);var _updateEuler=require("./update-euler");var _updateEuler2=_interopRequireDefault(_updateEuler);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}var rotationTranslation=(0,_create2.default)();function updateTransform(transform){if(transform.flags.autoUpdate){(0,_updateEuler2.default)(transform);(0,_fromRotationTranslation2.default)(rotationTranslation,transform.quaternion,transform.position);(0,_copy2.default)(transform.global,transform.local)}}},{"./update-euler":55,"gl-mat4/copy":141,"gl-mat4/create":142,"gl-mat4/fromRotationTranslation":145,"gl-mat4/identity":147,"gl-mat4/multiply":151}],57:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=updateTransform;var _fromQuat=require("gl-mat4/fromQuat");var _fromQuat2=_interopRequireDefault(_fromQuat);var _create=require("gl-mat4/create");var _create2=_interopRequireDefault(_create);var _fromRotationTranslation=require("gl-mat4/fromRotationTranslation");var _fromRotationTranslation2=_interopRequireDefault(_fromRotationTranslation);var _multiply=require("gl-mat4/multiply");var _multiply2=_interopRequireDefault(_multiply);var _scale=require("gl-mat4/scale");var _scale2=_interopRequireDefault(_scale);var _identity=require("gl-mat4/identity");var _identity2=_interopRequireDefault(_identity);var _copy=require("gl-mat4/copy");var _copy2=_interopRequireDefault(_copy);var _updateEuler=require("./update-euler");var _updateEuler2=_interopRequireDefault(_updateEuler);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{"default":obj}}var rotationTranslation=(0,_create2.default)();var scale=(0,_create2.default)();function updateTransform(transform){if(transform.flags.autoUpdate){(0,_updateEuler2.default)(transform);(0,_fromRotationTranslation2.default)(rotationTranslation,transform.quaternion,transform.position);(0,_identity2.default)(scale);(0,_scale2.default)(scale,scale,transform.scale);(0,_multiply2.default)(transform.local,rotationTranslation,scale)}}},{"./update-euler":55,"gl-mat4/copy":141,"gl-mat4/create":142,"gl-mat4/fromQuat":144,"gl-mat4/fromRotationTranslation":145,"gl-mat4/identity":147,"gl-mat4/multiply":151,"gl-mat4/scale":159}],58:[function(require,module,exports){var size=require("element-size");module.exports=fit;var scratch=new Float32Array(2);function fit(canvas,parent,scale){var isSVG=canvas.nodeName.toUpperCase()==="SVG";canvas.style.position=canvas.style.position||"absolute";canvas.style.top=0;canvas.style.left=0;resize.scale=parseFloat(scale||1);resize.parent=parent;return resize();function resize(){var p=resize.parent||canvas.parentNode;if(typeof p==="function"){var dims=p(scratch)||scratch;var width=dims[0];var height=dims[1]}else if(p&&p!==document.body){var psize=size(p);var width=psize[0]|0;var height=psize[1]|0}else{var width=window.innerWidth;var height=window.innerHeight}if(isSVG){canvas.setAttribute("width",width*resize.scale+"px");canvas.setAttribute("height",height*resize.scale+"px")}else{canvas.width=width*resize.scale;canvas.height=height*resize.scale}canvas.style.width=width+"px";canvas.style.height=height+"px";return resize}}},{"element-size":59}],59:[function(require,module,exports){module.exports=getSize;function getSize(element){if(element===window||element===document.body){return[window.innerWidth,window.innerHeight]}if(!element.parentNode){var temporary=true;document.body.appendChild(element)}var bounds=element.getBoundingClientRect();var styles=getComputedStyle(element);var height=(bounds.height|0)+parse(styles.getPropertyValue("margin-top"))+parse(styles.getPropertyValue("margin-bottom"));var width=(bounds.width|0)+parse(styles.getPropertyValue("margin-left"))+parse(styles.getPropertyValue("margin-right"));if(temporary){document.body.removeChild(element)}return[width,height]}function parse(prop){return parseFloat(prop)||0}},{}],60:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?Map:require("./polyfill")},{"./is-implemented":61,"./polyfill":112}],61:[function(require,module,exports){"use strict";module.exports=function(){var map,iterator,result;if(typeof Map!=="function")return false;try{map=new Map([["raz","one"],["dwa","two"],["trzy","three"]])}catch(e){return false}if(String(map)!=="[object Map]")return false;if(map.size!==3)return false;if(typeof map.clear!=="function")return false;if(typeof map.delete!=="function")return false;if(typeof map.entries!=="function")return false;if(typeof map.forEach!=="function")return false;if(typeof map.get!=="function")return false;if(typeof map.has!=="function")return false;if(typeof map.keys!=="function")return false;if(typeof map.set!=="function")return false;if(typeof map.values!=="function")return false;iterator=map.entries();result=iterator.next();if(result.done!==false)return false;if(!result.value)return false;if(result.value[0]!=="raz")return false;if(result.value[1]!=="one")return false;return true}},{}],62:[function(require,module,exports){"use strict";module.exports=function(){if(typeof Map==="undefined")return false;return Object.prototype.toString.call(new Map)==="[object Map]"}()},{}],63:[function(require,module,exports){"use strict";module.exports=require("es5-ext/object/primitive-set")("key","value","key+value")},{"es5-ext/object/primitive-set":89}],64:[function(require,module,exports){"use strict";var setPrototypeOf=require("es5-ext/object/set-prototype-of"),d=require("d"),Iterator=require("es6-iterator"),toStringTagSymbol=require("es6-symbol").toStringTag,kinds=require("./iterator-kinds"),defineProperties=Object.defineProperties,unBind=Iterator.prototype._unBind,MapIterator;MapIterator=module.exports=function(map,kind){if(!(this instanceof MapIterator))return new MapIterator(map,kind);Iterator.call(this,map.__mapKeysData__,map);if(!kind||!kinds[kind])kind="key+value";defineProperties(this,{__kind__:d("",kind),__values__:d("w",map.__mapValuesData__)})};if(setPrototypeOf)setPrototypeOf(MapIterator,Iterator);MapIterator.prototype=Object.create(Iterator.prototype,{constructor:d(MapIterator),_resolve:d(function(i){if(this.__kind__==="value")return this.__values__[i];if(this.__kind__==="key")return this.__list__[i];return[this.__list__[i],this.__values__[i]]}),_unBind:d(function(){this.__values__=null;unBind.call(this)}),toString:d(function(){return"[object Map Iterator]"})});Object.defineProperty(MapIterator.prototype,toStringTagSymbol,d("c","Map Iterator"))},{"./iterator-kinds":63,d:66,"es5-ext/object/set-prototype-of":90,"es6-iterator":102,"es6-symbol":106}],65:[function(require,module,exports){"use strict";var copy=require("es5-ext/object/copy"),map=require("es5-ext/object/map"),callable=require("es5-ext/object/valid-callable"),validValue=require("es5-ext/object/valid-value"),bind=Function.prototype.bind,defineProperty=Object.defineProperty,hasOwnProperty=Object.prototype.hasOwnProperty,define;define=function(name,desc,bindTo){var value=validValue(desc)&&callable(desc.value),dgs;dgs=copy(desc);delete dgs.writable;delete dgs.value;dgs.get=function(){if(hasOwnProperty.call(this,name))return value;desc.value=bind.call(value,bindTo==null?this:this[bindTo]);defineProperty(this,name,desc);return this[name]};return dgs};module.exports=function(props){var bindTo=arguments[1];return map(props,function(desc,name){return define(name,desc,bindTo)})}},{"es5-ext/object/copy":79,"es5-ext/object/map":87,"es5-ext/object/valid-callable":93,"es5-ext/object/valid-value":94}],66:[function(require,module,exports){"use strict";var assign=require("es5-ext/object/assign"),normalizeOpts=require("es5-ext/object/normalize-options"),isCallable=require("es5-ext/object/is-callable"),contains=require("es5-ext/string/#/contains"),d;d=module.exports=function(dscr,value){var c,e,w,options,desc;if(arguments.length<2||typeof dscr!=="string"){options=value;value=dscr;dscr=null}else{options=arguments[2]}if(dscr==null){c=w=true;e=false}else{c=contains.call(dscr,"c");e=contains.call(dscr,"e");w=contains.call(dscr,"w")}desc={value:value,configurable:c,enumerable:e,writable:w};return!options?desc:assign(normalizeOpts(options),desc)};d.gs=function(dscr,get,set){var c,e,options,desc;if(typeof dscr!=="string"){options=set;set=get;get=dscr;dscr=null}else{options=arguments[3]}if(get==null){get=undefined}else 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i,l,fromIndex,val;if(searchElement===searchElement){return indexOf.apply(this,arguments)}l=toPosInt(value(this).length);fromIndex=arguments[1];if(isNaN(fromIndex))fromIndex=0;else if(fromIndex>=0)fromIndex=floor(fromIndex);else fromIndex=toPosInt(this.length)-floor(abs(fromIndex));for(i=fromIndex;i<l;++i){if(hasOwnProperty.call(this,i)){val=this[i];if(val!==val)return i}}return-1}},{"../../number/to-pos-integer":74,"../../object/valid-value":94}],69:[function(require,module,exports){"use strict";var toString=Object.prototype.toString,id=toString.call(function(){return arguments}());module.exports=function(x){return toString.call(x)===id}},{}],70:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?Math.sign:require("./shim")},{"./is-implemented":71,"./shim":72}],71:[function(require,module,exports){"use strict";module.exports=function(){var sign=Math.sign;if(typeof sign!=="function")return false;return sign(10)===1&&sign(-20)===-1}},{}],72:[function(require,module,exports){"use strict";module.exports=function(value){value=Number(value);if(isNaN(value)||value===0)return value;return value>0?1:-1}},{}],73:[function(require,module,exports){"use strict";var sign=require("../math/sign"),abs=Math.abs,floor=Math.floor;module.exports=function(value){if(isNaN(value))return 0;value=Number(value);if(value===0||!isFinite(value))return value;return sign(value)*floor(abs(value))}},{"../math/sign":70}],74:[function(require,module,exports){"use strict";var toInteger=require("./to-integer"),max=Math.max;module.exports=function(value){return max(0,toInteger(value))}},{"./to-integer":73}],75:[function(require,module,exports){"use strict";var callable=require("./valid-callable"),value=require("./valid-value"),bind=Function.prototype.bind,call=Function.prototype.call,keys=Object.keys,propertyIsEnumerable=Object.prototype.propertyIsEnumerable;module.exports=function(method,defVal){return function(obj,cb){var list,thisArg=arguments[2],compareFn=arguments[3];obj=Object(value(obj));callable(cb);list=keys(obj);if(compareFn){list.sort(typeof compareFn==="function"?bind.call(compareFn,obj):undefined)}if(typeof method!=="function")method=list[method];return call.call(method,list,function(key,index){if(!propertyIsEnumerable.call(obj,key))return defVal;return call.call(cb,thisArg,obj[key],key,obj,index)})}}},{"./valid-callable":93,"./valid-value":94}],76:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?Object.assign:require("./shim")},{"./is-implemented":77,"./shim":78}],77:[function(require,module,exports){"use strict";module.exports=function(){var assign=Object.assign,obj;if(typeof assign!=="function")return false;obj={foo:"raz"};assign(obj,{bar:"dwa"},{trzy:"trzy"});return obj.foo+obj.bar+obj.trzy==="razdwatrzy"}},{}],78:[function(require,module,exports){"use strict";var keys=require("../keys"),value=require("../valid-value"),max=Math.max;module.exports=function(dest,src){var error,i,l=max(arguments.length,2),assign;dest=Object(value(dest));assign=function(key){try{dest[key]=src[key]}catch(e){if(!error)error=e}};for(i=1;i<l;++i){src=arguments[i];keys(src).forEach(assign)}if(error!==undefined)throw error;return dest}},{"../keys":84,"../valid-value":94}],79:[function(require,module,exports){"use strict";var assign=require("./assign"),value=require("./valid-value");module.exports=function(obj){var copy=Object(value(obj));if(copy!==obj)return copy;return assign({},obj)}},{"./assign":76,"./valid-value":94}],80:[function(require,module,exports){"use strict";var create=Object.create,shim;if(!require("./set-prototype-of/is-implemented")()){shim=require("./set-prototype-of/shim")}module.exports=function(){var nullObject,props,desc;if(!shim)return create;if(shim.level!==1)return create;nullObject={};props={};desc={configurable:false,enumerable:false,writable:true,value:undefined};Object.getOwnPropertyNames(Object.prototype).forEach(function(name){if(name==="__proto__"){props[name]={configurable:true,enumerable:false,writable:true,value:undefined};return}props[name]=desc});Object.defineProperties(nullObject,props);Object.defineProperty(shim,"nullPolyfill",{configurable:false,enumerable:false,writable:false,value:nullObject});return function(prototype,props){return create(prototype===null?nullObject:prototype,props)}}()},{"./set-prototype-of/is-implemented":91,"./set-prototype-of/shim":92}],81:[function(require,module,exports){"use strict";module.exports=require("./_iterate")("forEach")},{"./_iterate":75}],82:[function(require,module,exports){"use strict";module.exports=function(obj){return typeof obj==="function"}},{}],83:[function(require,module,exports){"use strict";var map={"function":true,object:true};module.exports=function(x){return x!=null&&map[typeof x]||false}},{}],84:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?Object.keys:require("./shim")},{"./is-implemented":85,"./shim":86}],85:[function(require,module,exports){"use strict";module.exports=function(){try{Object.keys("primitive");return true}catch(e){return false}}},{}],86:[function(require,module,exports){"use strict";var keys=Object.keys;module.exports=function(object){return keys(object==null?object:Object(object))}},{}],87:[function(require,module,exports){"use strict";var callable=require("./valid-callable"),forEach=require("./for-each"),call=Function.prototype.call;module.exports=function(obj,cb){var o={},thisArg=arguments[2];callable(cb);forEach(obj,function(value,key,obj,index){o[key]=call.call(cb,thisArg,value,key,obj,index)});return o}},{"./for-each":81,"./valid-callable":93}],88:[function(require,module,exports){"use strict";var forEach=Array.prototype.forEach,create=Object.create;var process=function(src,obj){var key;for(key in src)obj[key]=src[key]};module.exports=function(options){var result=create(null);forEach.call(arguments,function(options){if(options==null)return;process(Object(options),result)});return result}},{}],89:[function(require,module,exports){"use strict";var forEach=Array.prototype.forEach,create=Object.create;module.exports=function(arg){var set=create(null);forEach.call(arguments,function(name){set[name]=true});return set}},{}],90:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?Object.setPrototypeOf:require("./shim")},{"./is-implemented":91,"./shim":92}],91:[function(require,module,exports){"use strict";var create=Object.create,getPrototypeOf=Object.getPrototypeOf,x={};module.exports=function(){var setPrototypeOf=Object.setPrototypeOf,customCreate=arguments[0]||create;if(typeof setPrototypeOf!=="function")return false;return getPrototypeOf(setPrototypeOf(customCreate(null),x))===x}},{}],92:[function(require,module,exports){"use 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| configurable:true,enumerable:false,writable:true,value:undefined},validate;validate=function(obj,prototype){value(obj);if(prototype===null||isObject(prototype))return obj;throw new TypeError("Prototype must be null or an object")};module.exports=function(status){var fn,set;if(!status)return null;if(status.level===2){if(status.set){set=status.set;fn=function(obj,prototype){set.call(validate(obj,prototype),prototype);return obj}}else{fn=function(obj,prototype){validate(obj,prototype).__proto__=prototype;return obj}}}else{fn=function self(obj,prototype){var isNullBase;validate(obj,prototype);isNullBase=isPrototypeOf.call(self.nullPolyfill,obj);if(isNullBase)delete self.nullPolyfill.__proto__;if(prototype===null)prototype=self.nullPolyfill;obj.__proto__=prototype;if(isNullBase)defineProperty(self.nullPolyfill,"__proto__",nullDesc);return obj}}return Object.defineProperty(fn,"level",{configurable:false,enumerable:false,writable:false,value:status.level})}(function(){var x=Object.create(null),y={},set,desc=Object.getOwnPropertyDescriptor(Object.prototype,"__proto__");if(desc){try{set=desc.set;set.call(x,y)}catch(ignore){}if(Object.getPrototypeOf(x)===y)return{set:set,level:2}}x.__proto__=y;if(Object.getPrototypeOf(x)===y)return{level:2};x={};x.__proto__=y;if(Object.getPrototypeOf(x)===y)return{level:1};return false}());require("../create")},{"../create":80,"../is-object":83,"../valid-value":94}],93:[function(require,module,exports){"use strict";module.exports=function(fn){if(typeof fn!=="function")throw new TypeError(fn+" is not a function");return fn}},{}],94:[function(require,module,exports){"use strict";module.exports=function(value){if(value==null)throw new TypeError("Cannot use null or undefined");return value}},{}],95:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?String.prototype.contains:require("./shim")},{"./is-implemented":96,"./shim":97}],96:[function(require,module,exports){"use strict";var str="razdwatrzy";module.exports=function(){if(typeof str.contains!=="function")return false;return str.contains("dwa")===true&&str.contains("foo")===false}},{}],97:[function(require,module,exports){"use strict";var indexOf=String.prototype.indexOf;module.exports=function(searchString){return indexOf.call(this,searchString,arguments[1])>-1}},{}],98:[function(require,module,exports){"use strict";var toString=Object.prototype.toString,id=toString.call("");module.exports=function(x){return typeof x==="string"||x&&typeof x==="object"&&(x instanceof String||toString.call(x)===id)||false}},{}],99:[function(require,module,exports){"use strict";var setPrototypeOf=require("es5-ext/object/set-prototype-of"),contains=require("es5-ext/string/#/contains"),d=require("d"),Iterator=require("./"),defineProperty=Object.defineProperty,ArrayIterator;ArrayIterator=module.exports=function(arr,kind){if(!(this instanceof ArrayIterator))return new ArrayIterator(arr,kind);Iterator.call(this,arr);if(!kind)kind="value";else if(contains.call(kind,"key+value"))kind="key+value";else if(contains.call(kind,"key"))kind="key";else kind="value";defineProperty(this,"__kind__",d("",kind))};if(setPrototypeOf)setPrototypeOf(ArrayIterator,Iterator);ArrayIterator.prototype=Object.create(Iterator.prototype,{constructor:d(ArrayIterator),_resolve:d(function(i){if(this.__kind__==="value")return this.__list__[i];if(this.__kind__==="key+value")return[i,this.__list__[i]];return i}),toString:d(function(){return"[object Array Iterator]"})})},{"./":102,d:66,"es5-ext/object/set-prototype-of":90,"es5-ext/string/#/contains":95}],100:[function(require,module,exports){"use strict";var isArguments=require("es5-ext/function/is-arguments"),callable=require("es5-ext/object/valid-callable"),isString=require("es5-ext/string/is-string"),get=require("./get"),isArray=Array.isArray,call=Function.prototype.call,some=Array.prototype.some;module.exports=function(iterable,cb){var mode,thisArg=arguments[2],result,doBreak,broken,i,l,char,code;if(isArray(iterable)||isArguments(iterable))mode="array";else if(isString(iterable))mode="string";else iterable=get(iterable);callable(cb);doBreak=function(){broken=true};if(mode==="array"){some.call(iterable,function(value){call.call(cb,thisArg,value,doBreak);if(broken)return true});return}if(mode==="string"){l=iterable.length;for(i=0;i<l;++i){char=iterable[i];if(i+1<l){code=char.charCodeAt(0);if(code>=55296&&code<=56319)char+=iterable[++i]}call.call(cb,thisArg,char,doBreak);if(broken)break}return}result=iterable.next();while(!result.done){call.call(cb,thisArg,result.value,doBreak);if(broken)return;result=iterable.next()}}},{"./get":101,"es5-ext/function/is-arguments":69,"es5-ext/object/valid-callable":93,"es5-ext/string/is-string":98}],101:[function(require,module,exports){"use strict";var isArguments=require("es5-ext/function/is-arguments"),isString=require("es5-ext/string/is-string"),ArrayIterator=require("./array"),StringIterator=require("./string"),iterable=require("./valid-iterable"),iteratorSymbol=require("es6-symbol").iterator;module.exports=function(obj){if(typeof iterable(obj)[iteratorSymbol]==="function")return obj[iteratorSymbol]();if(isArguments(obj))return new ArrayIterator(obj);if(isString(obj))return new StringIterator(obj);return new ArrayIterator(obj)}},{"./array":99,"./string":104,"./valid-iterable":105,"es5-ext/function/is-arguments":69,"es5-ext/string/is-string":98,"es6-symbol":106}],102:[function(require,module,exports){"use strict";var clear=require("es5-ext/array/#/clear"),assign=require("es5-ext/object/assign"),callable=require("es5-ext/object/valid-callable"),value=require("es5-ext/object/valid-value"),d=require("d"),autoBind=require("d/auto-bind"),Symbol=require("es6-symbol"),defineProperty=Object.defineProperty,defineProperties=Object.defineProperties,Iterator;module.exports=Iterator=function(list,context){if(!(this instanceof Iterator))return new Iterator(list,context);defineProperties(this,{__list__:d("w",value(list)),__context__:d("w",context),__nextIndex__:d("w",0)});if(!context)return;callable(context.on);context.on("_add",this._onAdd);context.on("_delete",this._onDelete);context.on("_clear",this._onClear)};defineProperties(Iterator.prototype,assign({constructor:d(Iterator),_next:d(function(){var i;if(!this.__list__)return;if(this.__redo__){i=this.__redo__.shift();if(i!==undefined)return i}if(this.__nextIndex__<this.__list__.length)return this.__nextIndex__++;this._unBind()}),next:d(function(){return this._createResult(this._next())}),_createResult:d(function(i){if(i===undefined)return{done:true,value:undefined};return{done:false,value:this._resolve(i)}}),_resolve:d(function(i){return this.__list__[i]}),_unBind:d(function(){this.__list__=null;delete this.__redo__;if(!this.__context__)return;this.__context__.off("_add",this._onAdd);this.__context__.off("_delete",this._onDelete);this.__context__.off("_clear",this._onClear);this.__context__=null}),toString:d(function(){return"[object Iterator]"})},autoBind({_onAdd:d(function(index){if(index>=this.__nextIndex__)return;++this.__nextIndex__;if(!this.__redo__){defineProperty(this,"__redo__",d("c",[index]));return}this.__redo__.forEach(function(redo,i){if(redo>=index)this.__redo__[i]=++redo},this);this.__redo__.push(index)}),_onDelete:d(function(index){var i;if(index>=this.__nextIndex__)return;--this.__nextIndex__;if(!this.__redo__)return;i=this.__redo__.indexOf(index);if(i!==-1)this.__redo__.splice(i,1);this.__redo__.forEach(function(redo,i){if(redo>index)this.__redo__[i]=--redo},this)}),_onClear:d(function(){if(this.__redo__)clear.call(this.__redo__);this.__nextIndex__=0})})));defineProperty(Iterator.prototype,Symbol.iterator,d(function(){return this}));defineProperty(Iterator.prototype,Symbol.toStringTag,d("","Iterator"))},{d:66,"d/auto-bind":65,"es5-ext/array/#/clear":67,"es5-ext/object/assign":76,"es5-ext/object/valid-callable":93,"es5-ext/object/valid-value":94,"es6-symbol":106}],103:[function(require,module,exports){"use strict";var isArguments=require("es5-ext/function/is-arguments"),isString=require("es5-ext/string/is-string"),iteratorSymbol=require("es6-symbol").iterator,isArray=Array.isArray;module.exports=function(value){if(value==null)return false;if(isArray(value))return true;if(isString(value))return true;if(isArguments(value))return true;return typeof value[iteratorSymbol]==="function"}},{"es5-ext/function/is-arguments":69,"es5-ext/string/is-string":98,"es6-symbol":106}],104:[function(require,module,exports){"use strict";var setPrototypeOf=require("es5-ext/object/set-prototype-of"),d=require("d"),Iterator=require("./"),defineProperty=Object.defineProperty,StringIterator;StringIterator=module.exports=function(str){if(!(this instanceof StringIterator))return new StringIterator(str);str=String(str);Iterator.call(this,str);defineProperty(this,"__length__",d("",str.length))};if(setPrototypeOf)setPrototypeOf(StringIterator,Iterator);StringIterator.prototype=Object.create(Iterator.prototype,{constructor:d(StringIterator),_next:d(function(){if(!this.__list__)return;if(this.__nextIndex__<this.__length__)return this.__nextIndex__++;this._unBind()}),_resolve:d(function(i){var char=this.__list__[i],code;if(this.__nextIndex__===this.__length__)return char;code=char.charCodeAt(0);if(code>=55296&&code<=56319)return char+this.__list__[this.__nextIndex__++];return char}),toString:d(function(){return"[object String Iterator]"})})},{"./":102,d:66,"es5-ext/object/set-prototype-of":90}],105:[function(require,module,exports){"use strict";var isIterable=require("./is-iterable");module.exports=function(value){if(!isIterable(value))throw new TypeError(value+" is not iterable");return value}},{"./is-iterable":103}],106:[function(require,module,exports){"use strict";module.exports=require("./is-implemented")()?Symbol:require("./polyfill")},{"./is-implemented":107,"./polyfill":109}],107:[function(require,module,exports){"use strict";module.exports=function(){var symbol;if(typeof Symbol!=="function")return false;symbol=Symbol("test symbol");try{String(symbol)}catch(e){return false}if(typeof Symbol.iterator==="symbol")return true;if(typeof Symbol.isConcatSpreadable!=="object")return false;if(typeof Symbol.iterator!=="object")return false;if(typeof Symbol.toPrimitive!=="object")return false;if(typeof Symbol.toStringTag!=="object")return false;if(typeof Symbol.unscopables!=="object")return false;return true}},{}],108:[function(require,module,exports){"use strict";module.exports=function(x){return x&&(typeof x==="symbol"||x["@@toStringTag"]==="Symbol")||false}},{}],109:[function(require,module,exports){"use strict";var d=require("d"),validateSymbol=require("./validate-symbol"),create=Object.create,defineProperties=Object.defineProperties,defineProperty=Object.defineProperty,objPrototype=Object.prototype,NativeSymbol,SymbolPolyfill,HiddenSymbol,globalSymbols=create(null);if(typeof Symbol==="function")NativeSymbol=Symbol;var generateName=function(){var created=create(null);return function(desc){var postfix=0,name,ie11BugWorkaround;while(created[desc+(postfix||"")])++postfix;desc+=postfix||"";created[desc]=true;name="@@"+desc;defineProperty(objPrototype,name,d.gs(null,function(value){if(ie11BugWorkaround)return;ie11BugWorkaround=true;defineProperty(this,name,d(value));ie11BugWorkaround=false}));return name}}();HiddenSymbol=function Symbol(description){if(this instanceof HiddenSymbol)throw new TypeError("TypeError: Symbol is not a constructor");return SymbolPolyfill(description)};module.exports=SymbolPolyfill=function Symbol(description){var symbol;if(this instanceof Symbol)throw new TypeError("TypeError: Symbol is not a constructor");symbol=create(HiddenSymbol.prototype);description=description===undefined?"":String(description);return defineProperties(symbol,{__description__:d("",description),__name__:d("",generateName(description))})};defineProperties(SymbolPolyfill,{"for":d(function(key){if(globalSymbols[key])return globalSymbols[key];return globalSymbols[key]=SymbolPolyfill(String(key))}),keyFor:d(function(s){var key;validateSymbol(s);for(key in globalSymbols)if(globalSymbols[key]===s)return key}),hasInstance:d("",NativeSymbol&&NativeSymbol.hasInstance||SymbolPolyfill("hasInstance")),isConcatSpreadable:d("",NativeSymbol&&NativeSymbol.isConcatSpreadable||SymbolPolyfill("isConcatSpreadable")),iterator:d("",NativeSymbol&&NativeSymbol.iterator||SymbolPolyfill("iterator")),match:d("",NativeSymbol&&NativeSymbol.match||SymbolPolyfill("match")),replace:d("",NativeSymbol&&NativeSymbol.replace||SymbolPolyfill("replace")),search:d("",NativeSymbol&&NativeSymbol.search||SymbolPolyfill("search")),species:d("",NativeSymbol&&NativeSymbol.species||SymbolPolyfill("species")),split:d("",NativeSymbol&&NativeSymbol.split||SymbolPolyfill("split")),toPrimitive:d("",NativeSymbol&&NativeSymbol.toPrimitive||SymbolPolyfill("toPrimitive")),toStringTag:d("",NativeSymbol&&NativeSymbol.toStringTag||SymbolPolyfill("toStringTag")),unscopables:d("",NativeSymbol&&NativeSymbol.unscopables||SymbolPolyfill("unscopables"))});defineProperties(HiddenSymbol.prototype,{constructor:d(SymbolPolyfill),toString:d("",function(){return this.__name__})});defineProperties(SymbolPolyfill.prototype,{toString:d(function(){return"Symbol ("+validateSymbol(this).__description__+")"}),valueOf:d(function(){return validateSymbol(this)})});defineProperty(SymbolPolyfill.prototype,SymbolPolyfill.toPrimitive,d("",function(){return validateSymbol(this)}));defineProperty(SymbolPolyfill.prototype,SymbolPolyfill.toStringTag,d("c","Symbol"));defineProperty(HiddenSymbol.prototype,SymbolPolyfill.toStringTag,d("c",SymbolPolyfill.prototype[SymbolPolyfill.toStringTag]));defineProperty(HiddenSymbol.prototype,SymbolPolyfill.toPrimitive,d("c",SymbolPolyfill.prototype[SymbolPolyfill.toPrimitive]))},{"./validate-symbol":110,d:66}],110:[function(require,module,exports){"use strict";var isSymbol=require("./is-symbol");module.exports=function(value){if(!isSymbol(value))throw new TypeError(value+" is not a symbol");return value}},{"./is-symbol":108}],111:[function(require,module,exports){"use strict";var d=require("d"),callable=require("es5-ext/object/valid-callable"),apply=Function.prototype.apply,call=Function.prototype.call,create=Object.create,defineProperty=Object.defineProperty,defineProperties=Object.defineProperties,hasOwnProperty=Object.prototype.hasOwnProperty,descriptor={configurable:true,enumerable:false,writable:true},on,once,off,emit,methods,descriptors,base;on=function(type,listener){var data;callable(listener);if(!hasOwnProperty.call(this,"__ee__")){data=descriptor.value=create(null);defineProperty(this,"__ee__",descriptor);descriptor.value=null}else{data=this.__ee__}if(!data[type])data[type]=listener;else if(typeof data[type]==="object")data[type].push(listener);else data[type]=[data[type],listener];return this};once=function(type,listener){var once,self;callable(listener);self=this;on.call(this,type,once=function(){off.call(self,type,once);apply.call(listener,this,arguments)});once.__eeOnceListener__=listener;return this};off=function(type,listener){var data,listeners,candidate,i;callable(listener);if(!hasOwnProperty.call(this,"__ee__"))return this;data=this.__ee__;if(!data[type])return this;listeners=data[type];if(typeof listeners==="object"){for(i=0;candidate=listeners[i];++i){if(candidate===listener||candidate.__eeOnceListener__===listener){if(listeners.length===2)data[type]=listeners[i?0:1];else listeners.splice(i,1)}}}else{if(listeners===listener||listeners.__eeOnceListener__===listener){delete data[type]}}return this};emit=function(type){var i,l,listener,listeners,args;if(!hasOwnProperty.call(this,"__ee__"))return;listeners=this.__ee__[type];if(!listeners)return;if(typeof listeners==="object"){l=arguments.length;args=new Array(l-1);for(i=1;i<l;++i)args[i-1]=arguments[i];listeners=listeners.slice();for(i=0;listener=listeners[i];++i){apply.call(listener,this,args)}}else{switch(arguments.length){case 1:call.call(listeners,this);break;case 2:call.call(listeners,this,arguments[1]);break;case 3:call.call(listeners,this,arguments[1],arguments[2]);break;default:l=arguments.length;args=new Array(l-1);for(i=1;i<l;++i){args[i-1]=arguments[i]}apply.call(listeners,this,args)}}};methods={on:on,once:once,off:off,emit:emit};descriptors={on:d(on),once:d(once),off:d(off),emit:d(emit)};base=defineProperties({},descriptors);module.exports=exports=function(o){return o==null?create(base):defineProperties(Object(o),descriptors)};exports.methods=methods},{d:66,"es5-ext/object/valid-callable":93}],112:[function(require,module,exports){"use strict";var clear=require("es5-ext/array/#/clear"),eIndexOf=require("es5-ext/array/#/e-index-of"),setPrototypeOf=require("es5-ext/object/set-prototype-of"),callable=require("es5-ext/object/valid-callable"),validValue=require("es5-ext/object/valid-value"),d=require("d"),ee=require("event-emitter"),Symbol=require("es6-symbol"),iterator=require("es6-iterator/valid-iterable"),forOf=require("es6-iterator/for-of"),Iterator=require("./lib/iterator"),isNative=require("./is-native-implemented"),call=Function.prototype.call,defineProperties=Object.defineProperties,getPrototypeOf=Object.getPrototypeOf,MapPoly;module.exports=MapPoly=function(){var iterable=arguments[0],keys,values,self;if(!(this instanceof MapPoly))throw new TypeError("Constructor requires 'new'");if(isNative&&setPrototypeOf&&Map!==MapPoly){self=setPrototypeOf(new Map,getPrototypeOf(this))}else{self=this}if(iterable!=null)iterator(iterable);defineProperties(self,{__mapKeysData__:d("c",keys=[]),__mapValuesData__:d("c",values=[])});if(!iterable)return self;forOf(iterable,function(value){var key=validValue(value)[0];value=value[1];if(eIndexOf.call(keys,key)!==-1)return;keys.push(key);values.push(value)},self);return self};if(isNative){if(setPrototypeOf)setPrototypeOf(MapPoly,Map);MapPoly.prototype=Object.create(Map.prototype,{constructor:d(MapPoly)})}ee(defineProperties(MapPoly.prototype,{clear:d(function(){if(!this.__mapKeysData__.length)return;clear.call(this.__mapKeysData__);clear.call(this.__mapValuesData__);this.emit("_clear")}),"delete":d(function(key){var index=eIndexOf.call(this.__mapKeysData__,key);if(index===-1)return false;this.__mapKeysData__.splice(index,1);this.__mapValuesData__.splice(index,1);this.emit("_delete",index,key);return true}),entries:d(function(){return new Iterator(this,"key+value")}),forEach:d(function(cb){var thisArg=arguments[1],iterator,result;callable(cb);iterator=this.entries();result=iterator._next();while(result!==undefined){call.call(cb,thisArg,this.__mapValuesData__[result],this.__mapKeysData__[result],this);result=iterator._next()}}),get:d(function(key){var index=eIndexOf.call(this.__mapKeysData__,key);if(index===-1)return;return this.__mapValuesData__[index]}),has:d(function(key){return eIndexOf.call(this.__mapKeysData__,key)!==-1}),keys:d(function(){return new Iterator(this,"key")}),set:d(function(key,value){var index=eIndexOf.call(this.__mapKeysData__,key),emit;if(index===-1){index=this.__mapKeysData__.push(key)-1;emit=true}this.__mapValuesData__[index]=value;if(emit)this.emit("_add",index,key);return this}),size:d.gs(function(){return this.__mapKeysData__.length}),values:d(function(){return new Iterator(this,"value")}),toString:d(function(){return"[object Map]"})}));Object.defineProperty(MapPoly.prototype,Symbol.iterator,d(function(){return this.entries()}));Object.defineProperty(MapPoly.prototype,Symbol.toStringTag,d("c","Map"))},{"./is-native-implemented":62,"./lib/iterator":64,d:66,"es5-ext/array/#/clear":67,"es5-ext/array/#/e-index-of":68,"es5-ext/object/set-prototype-of":90,"es5-ext/object/valid-callable":93,"es5-ext/object/valid-value":94,"es6-iterator/for-of":100,"es6-iterator/valid-iterable":105,"es6-symbol":106,"event-emitter":111}],113:[function(require,module,exports){"use strict";var prefix=typeof Object.create!=="function"?"~":false;function EE(fn,context,once){this.fn=fn;this.context=context;this.once=once||false}function EventEmitter(){}EventEmitter.prototype._events=undefined;EventEmitter.prototype.listeners=function listeners(event,exists){var evt=prefix?prefix+event:event,available=this._events&&this._events[evt];if(exists)return!!available;if(!available)return[];if(available.fn)return[available.fn];for(var i=0,l=available.length,ee=new Array(l);i<l;i++){ee[i]=available[i].fn}return ee};EventEmitter.prototype.emit=function emit(event,a1,a2,a3,a4,a5){var evt=prefix?prefix+event:event;if(!this._events||!this._events[evt])return false;var listeners=this._events[evt],len=arguments.length,args,i;if("function"===typeof listeners.fn){if(listeners.once)this.removeListener(event,listeners.fn,undefined,true);switch(len){case 1:return listeners.fn.call(listeners.context),true;case 2:return listeners.fn.call(listeners.context,a1),true;case 3:return listeners.fn.call(listeners.context,a1,a2),true;case 4:return listeners.fn.call(listeners.context,a1,a2,a3),true;case 5:return listeners.fn.call(listeners.context,a1,a2,a3,a4),true;case 6:return listeners.fn.call(listeners.context,a1,a2,a3,a4,a5),true}for(i=1,args=new Array(len-1);i<len;i++){args[i-1]=arguments[i]}listeners.fn.apply(listeners.context,args)}else{var length=listeners.length,j;for(i=0;i<length;i++){if(listeners[i].once)this.removeListener(event,listeners[i].fn,undefined,true);switch(len){case 1:listeners[i].fn.call(listeners[i].context);break;case 2:listeners[i].fn.call(listeners[i].context,a1);break;case 3:listeners[i].fn.call(listeners[i].context,a1,a2);break;default:if(!args)for(j=1,args=new Array(len-1);j<len;j++){args[j-1]=arguments[j]}listeners[i].fn.apply(listeners[i].context,args)}}}return true};EventEmitter.prototype.on=function on(event,fn,context){var listener=new EE(fn,context||this),evt=prefix?prefix+event:event;if(!this._events)this._events=prefix?{}:Object.create(null);if(!this._events[evt])this._events[evt]=listener;else{if(!this._events[evt].fn)this._events[evt].push(listener);else this._events[evt]=[this._events[evt],listener]}return this};EventEmitter.prototype.once=function once(event,fn,context){var listener=new EE(fn,context||this,true),evt=prefix?prefix+event:event;if(!this._events)this._events=prefix?{}:Object.create(null);if(!this._events[evt])this._events[evt]=listener;else{if(!this._events[evt].fn)this._events[evt].push(listener);else this._events[evt]=[this._events[evt],listener]}return this};EventEmitter.prototype.removeListener=function removeListener(event,fn,context,once){var evt=prefix?prefix+event:event;if(!this._events||!this._events[evt])return this;var listeners=this._events[evt],events=[];if(fn){if(listeners.fn){if(listeners.fn!==fn||once&&!listeners.once||context&&listeners.context!==context){events.push(listeners)}}else{for(var i=0,length=listeners.length;i<length;i++){if(listeners[i].fn!==fn||once&&!listeners[i].once||context&&listeners[i].context!==context){events.push(listeners[i])}}}}if(events.length){this._events[evt]=events.length===1?events[0]:events}else{delete this._events[evt]}return this};EventEmitter.prototype.removeAllListeners=function removeAllListeners(event){if(!this._events)return this;if(event)delete this._events[prefix?prefix+event:event];else this._events=prefix?{}:Object.create(null);return this};EventEmitter.prototype.off=EventEmitter.prototype.removeListener;EventEmitter.prototype.addListener=EventEmitter.prototype.on;EventEmitter.prototype.setMaxListeners=function setMaxListeners(){return this};EventEmitter.prefixed=prefix;if("undefined"!==typeof module){module.exports=EventEmitter}},{}],114:[function(require,module,exports){var normalize=require("./normalize");var createVAO=require("gl-vao");module.exports=GLGeometry;function GLGeometry(gl){if(!(this instanceof GLGeometry))return new GLGeometry(gl);this._attributes=[];this._dirty=true;this._length=0;this._index=null;this._vao=null;this._keys=[];this.gl=gl}GLGeometry.prototype.dispose=function(){for(var i=0;i<this._attributes.length;i++){this._attributes[i].buffer.dispose()}this._attributes=[];this._keys=[];this._length=0;this._dirty=true;if(this._index){this._index.dispose();this._index=null}if(this._vao){this._vao.dispose();this._vao=null}};GLGeometry.prototype.faces=function faces(attr,opts){var size=opts&&opts.size||3;attr=attr.cells?attr.cells:attr;this._dirty=true;if(this._index){this._index.dispose()}this._index=normalize(this.gl,attr,size,this.gl.ELEMENT_ARRAY_BUFFER,"uint16");this._length=this._index.length*size;this._index=this._index.buffer;return this};GLGeometry.prototype.attr=function attr(name,attr,opts){opts=opts||{};this._dirty=true;var gl=this.gl;var first=!this._attributes.length;var size=opts.size||3;var attribute=normalize(gl,attr,size,gl.ARRAY_BUFFER,"float32");if(!attribute){throw new Error("Unexpected attribute format: needs an ndarray, array, typed array, "+"gl-buffer or simplicial complex")}var buffer=attribute.buffer;var length=attribute.length;var index=attribute.index;this._keys.push(name);this._attributes.push({size:size,buffer:buffer});if(first){this._length=length}if(first&&index){this._index=index}return this};GLGeometry.prototype.bind=function bind(shader){this.update();this._vao.bind();if(!this._keys)return;for(var i=0;i<this._keys.length;i++){var attr=shader.attributes[this._keys[i]];if(attr)attr.location=i}if(!shader)return;shader.bind()};GLGeometry.prototype.draw=function draw(mode,start,stop){start=typeof start==="undefined"?0:start;stop=typeof stop==="undefined"?this._length:stop;mode=typeof mode==="undefined"?this.gl.TRIANGLES:mode;this.update();if(this._vao._useElements){this.gl.drawElements(mode,stop-start,this._vao._elementsType,start)}else{this.gl.drawArrays(mode,start,stop-start)}};GLGeometry.prototype.unbind=function unbind(){this.update();this._vao.unbind()};GLGeometry.prototype.update=function update(){if(!this._dirty)return;this._dirty=false;if(this._vao)this._vao.dispose();this._vao=createVAO(this.gl,this._attributes,this._index)}},{"./normalize":136,"gl-vao":133}],115:[function(require,module,exports){var dtype=require("dtype");module.exports=pack;function pack(arr,type){type=type||"float32";if(!arr[0]||!arr[0].length){return arr}var Arr=typeof type==="string"?dtype(type):type;var dim=arr[0].length;var out=new Arr(arr.length*dim);var k=0;for(var i=0;i<arr.length;i++)for(var j=0;j<dim;j++){out[k++]=arr[i][j]}return out}},{dtype:116}],116:[function(require,module,exports){(function(Buffer){module.exports=function(dtype){switch(dtype){case"int8":return Int8Array;case"int16":return Int16Array;case"int32":return Int32Array;case"uint8":return Uint8Array;case"uint16":return Uint16Array;case"uint32":return Uint32Array;case"float32":return Float32Array;case"float64":return Float64Array;case"array":return Array;case"uint8_clamped":return Uint8ClampedArray;case"generic":case"data":case"dataview":return ArrayBuffer;case"buffer":if(typeof Buffer==="undefined")return ArrayBuffer;return Buffer}}}).call(this,require("buffer").Buffer)},{buffer:262}],117:[function(require,module,exports){module.exports=function(dtype){switch(dtype){case"int8":return Int8Array;case"int16":return Int16Array;case"int32":return Int32Array;case"uint8":return Uint8Array;case"uint16":return Uint16Array;case"uint32":return Uint32Array;case"float32":return Float32Array;case"float64":return Float64Array;case"array":return Array}}},{}],118:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var ops=require("ndarray-ops");var ndarray=require("ndarray");var SUPPORTED_TYPES=["uint8","uint8_clamped","uint16","uint32","int8","int16","int32","float32"];function GLBuffer(gl,type,handle,length,usage){this.gl=gl;this.type=type;this.handle=handle;this.length=length;this.usage=usage}var proto=GLBuffer.prototype;proto.bind=function(){this.gl.bindBuffer(this.type,this.handle)};proto.unbind=function(){this.gl.bindBuffer(this.type,null)};proto.dispose=function(){this.gl.deleteBuffer(this.handle)};function updateTypeArray(gl,type,len,usage,data,offset){var dataLen=data.length*data.BYTES_PER_ELEMENT;if(offset<0){gl.bufferData(type,data,usage);return dataLen}if(dataLen+offset>len){throw new Error("gl-buffer: If resizing buffer, must not specify offset")}gl.bufferSubData(type,offset,data);return len}function makeScratchTypeArray(array,dtype){var res=pool.malloc(array.length,dtype);var n=array.length;for(var i=0;i<n;++i){res[i]=array[i]}return res}function isPacked(shape,stride){var n=1;for(var i=stride.length-1;i>=0;--i){if(stride[i]!==n){return false}n*=shape[i]}return true}proto.update=function(array,offset){if(typeof offset!=="number"){offset=-1}this.bind();if(typeof array==="object"&&typeof array.shape!=="undefined"){var dtype=array.dtype;if(SUPPORTED_TYPES.indexOf(dtype)<0){dtype="float32"}if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var ext=gl.getExtension("OES_element_index_uint");if(ext&&dtype!=="uint16"){dtype="uint32"}else{dtype="uint16"}}if(dtype===array.dtype&&isPacked(array.shape,array.stride)){if(array.offset===0&&array.data.length===array.shape[0]){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset)}}else{var tmp=pool.malloc(array.size,dtype);var ndt=ndarray(tmp,array.shape);ops.assign(ndt,array);if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp.subarray(0,array.size),offset)}pool.free(tmp)}}else if(Array.isArray(array)){var t;if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){t=makeScratchTypeArray(array,"uint16")}else{t=makeScratchTypeArray(array,"float32")}if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset)}pool.free(t)}else if(typeof array==="object"&&typeof array.length==="number"){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)}else if(typeof array==="number"||array===undefined){if(offset>=0){throw new Error("gl-buffer: Cannot specify offset when resizing buffer")}array=array|0;if(array<=0){array=1}this.gl.bufferData(this.type,array|0,this.usage);this.length=array}else{throw new Error("gl-buffer: Invalid data type")}};function createBuffer(gl,data,type,usage){type=type||gl.ARRAY_BUFFER;usage=usage||gl.DYNAMIC_DRAW;if(type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER){throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER")}if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW){throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW")}var handle=gl.createBuffer();var result=new GLBuffer(gl,type,handle,0,usage);result.update(data);return result}module.exports=createBuffer},{ndarray:124,"ndarray-ops":119,"typedarray-pool":129}],119:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){ | |
| var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":120}],120:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.arrayBlockIndices=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"||typeof arg_type==="object"&&arg_type.blockIndices){proc.argTypes[i]="array";proc.arrayArgs.push(i);proc.arrayBlockIndices.push(arg_type.blockIndices?arg_type.blockIndices:0);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":122}],121:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}code.push("var "+vars.join(","));for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(proc.arrayBlockIndices[arrNum]===0){if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}}else{var reStrArr=[carg.name],ptrStrArr=[ptrStr];for(var j=0;j<Math.abs(proc.arrayBlockIndices[arrNum]);j++){reStrArr.push("\\s*\\[([^\\]]+)\\]");ptrStrArr.push("$"+(j+1)+"*t"+arrNum+"b"+j)}re=new RegExp(reStrArr.join(""),"g");ptrStr=ptrStrArr.join("+");if(dtypes[arrNum]==="generic"){throw new Error("cwise: Generic arrays not supported in combination with blocks!")}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);for(var i=0;i<proc.arrayArgs.length;++i){dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1]}var blockBegin=[],blockEnd=[];var loopBegin=[],loopEnd=[];var loopOrders=[];for(var i=0;i<proc.arrayArgs.length;++i){if(proc.arrayBlockIndices[i]<0){loopBegin.push(0);loopEnd.push(dimension);blockBegin.push(dimension);blockEnd.push(dimension+proc.arrayBlockIndices[i])}else{loopBegin.push(proc.arrayBlockIndices[i]);loopEnd.push(proc.arrayBlockIndices[i]+dimension);blockBegin.push(0);blockEnd.push(proc.arrayBlockIndices[i])}var newOrder=[];for(var j=0;j<orders[i].length;j++){if(loopBegin[i]<=orders[i][j]&&orders[i][j]<loopEnd[i]){newOrder.push(orders[i][j]-loopBegin[i])}}loopOrders.push(newOrder)}var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",loopBegin[i]+j,"]"].join(""))}for(var j=0;j<Math.abs(proc.arrayBlockIndices[i]);++j){vars.push(["t",i,"b",j,"=t",i,"[",blockBegin[i]+j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);code.push("var "+vars.join(","));for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(loopOrders);if(matched<dimension){code.push(outerFill(matched,loopOrders[0],proc,body))}else{code.push(innerFill(loopOrders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------")}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:123}],122:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?","+proc.arrayBlockIndices[0]+")":")"].join("")];var shapeLengthConditions=[],shapeConditions=[];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0");if(i>0){shapeLengthConditions.push("array"+proc.arrayArgs[0]+".shape.length===array"+j+".shape.length+"+(Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i])));shapeConditions.push("array"+proc.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[0])+"]===array"+j+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[i])+"]")}}if(proc.arrayArgs.length>1){code.push("if (!("+shapeLengthConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')");code.push("for(var shapeIndex=array"+proc.arrayArgs[0]+".shape.length-"+Math.abs(proc.arrayBlockIndices[0])+"; shapeIndex-->0;) {");code.push("if (!("+shapeConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')");code.push("}")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("-----Generated thunk:\n"+code.join("\n")+"\n----------")}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":121}],123:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],124:[function(require,module,exports){var iota=require("iota-array");var isBuffer=require("is-buffer");var hasTypedArrays=typeof Float64Array!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this.stride["+i+"]*i"+i}).join("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this.shape["+i+"]"}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"});var c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data)){return"buffer"}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor},{"iota-array":125,"is-buffer":126}],125:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],126:[function(require,module,exports){module.exports=function(obj){return!!(obj!=null&&(obj._isBuffer||obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)))}},{}],127:[function(require,module,exports){"use strict";"use restrict";var INT_BITS=32;exports.INT_BITS=INT_BITS;exports.INT_MAX=2147483647;exports.INT_MIN=-1<<INT_BITS-1;exports.sign=function(v){return(v>0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x<y)};exports.max=function(x,y){return x^(x^y)&-(x<y)};exports.isPow2=function(v){return!(v&v-1)&&!!v};exports.log2=function(v){var r,shift;r=(v>65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256); | |
| (function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<<s&255}})(REVERSE_TABLE);exports.reverse=function(v){return REVERSE_TABLE[v&255]<<24|REVERSE_TABLE[v>>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],128:[function(require,module,exports){"use strict";function dupe_array(count,value,i){var c=count[i]|0;if(c<=0){return[]}var result=new Array(c),j;if(i===count.length-1){for(j=0;j<c;++j){result[j]=value}}else{for(j=0;j<c;++j){result[j]=dupe_array(count,value,i+1)}}return result}function dupe_number(count,value){var result,i;result=new Array(count);for(i=0;i<count;++i){result[i]=value}return result}function dupe(count,value){if(typeof value==="undefined"){value=0}switch(typeof count){case"number":if(count>0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],129:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":127,buffer:262,dup:128}],130:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){if(elements){elements.bind()}else{gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null)}var nattribs=gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0;if(attributes){if(attributes.length>nattribs){throw new Error("gl-vao: Too many vertex attributes")}for(var i=0;i<attributes.length;++i){var attrib=attributes[i];if(attrib.buffer){var buffer=attrib.buffer;var size=attrib.size||4;var type=attrib.type||gl.FLOAT;var normalized=!!attrib.normalized;var stride=attrib.stride||0;var offset=attrib.offset||0;buffer.bind();gl.enableVertexAttribArray(i);gl.vertexAttribPointer(i,size,type,normalized,stride,offset)}else{if(typeof attrib==="number"){gl.vertexAttrib1f(i,attrib)}else if(attrib.length===1){gl.vertexAttrib1f(i,attrib[0])}else if(attrib.length===2){gl.vertexAttrib2f(i,attrib[0],attrib[1])}else if(attrib.length===3){gl.vertexAttrib3f(i,attrib[0],attrib[1],attrib[2])}else if(attrib.length===4){gl.vertexAttrib4f(i,attrib[0],attrib[1],attrib[2],attrib[3])}else{throw new Error("gl-vao: Invalid vertex attribute")}gl.disableVertexAttribArray(i)}}for(;i<nattribs;++i){gl.disableVertexAttribArray(i)}}else{gl.bindBuffer(gl.ARRAY_BUFFER,null);for(var i=0;i<nattribs;++i){gl.disableVertexAttribArray(i)}}}module.exports=doBind},{}],131:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null;this._elementsType=gl.UNSIGNED_SHORT}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements,elementsType){this._elements=elements;this._attributes=attributes;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAOEmulated.prototype.dispose=function(){};VAOEmulated.prototype.unbind=function(){};VAOEmulated.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._elements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":130}],132:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VertexAttribute(location,dimension,a,b,c,d){this.location=location;this.dimension=dimension;this.a=a;this.b=b;this.c=c;this.d=d}VertexAttribute.prototype.bind=function(gl){switch(this.dimension){case 1:gl.vertexAttrib1f(this.location,this.a);break;case 2:gl.vertexAttrib2f(this.location,this.a,this.b);break;case 3:gl.vertexAttrib3f(this.location,this.a,this.b,this.c);break;case 4:gl.vertexAttrib4f(this.location,this.a,this.b,this.c,this.d);break}};function VAONative(gl,ext,handle){this.gl=gl;this._ext=ext;this.handle=handle;this._attribs=[];this._useElements=false;this._elementsType=gl.UNSIGNED_SHORT}VAONative.prototype.bind=function(){this._ext.bindVertexArrayOES(this.handle);for(var i=0;i<this._attribs.length;++i){this._attribs[i].bind(this.gl)}};VAONative.prototype.unbind=function(){this._ext.bindVertexArrayOES(null)};VAONative.prototype.dispose=function(){this._ext.deleteVertexArrayOES(this.handle)};VAONative.prototype.update=function(attributes,elements,elementsType){this.bind();bindAttribs(this.gl,elements,attributes);this.unbind();this._attribs.length=0;if(attributes)for(var i=0;i<attributes.length;++i){var a=attributes[i];if(typeof a==="number"){this._attribs.push(new VertexAttribute(i,1,a))}else if(Array.isArray(a)){this._attribs.push(new VertexAttribute(i,a.length,a[0],a[1],a[2],a[3]))}}this._useElements=!!elements;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":130}],133:[function(require,module,exports){"use strict";var createVAONative=require("./lib/vao-native.js");var createVAOEmulated=require("./lib/vao-emulated.js");function createVAO(gl,attributes,elements,elementsType){var ext=gl.getExtension("OES_vertex_array_object");var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements,elementsType);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":131,"./lib/vao-native.js":132}],134:[function(require,module,exports){module.exports=isTypedArray;isTypedArray.strict=isStrictTypedArray;isTypedArray.loose=isLooseTypedArray;var toString=Object.prototype.toString;var names={"[object Int8Array]":true,"[object Int16Array]":true,"[object Int32Array]":true,"[object Uint8Array]":true,"[object Uint16Array]":true,"[object Uint32Array]":true,"[object Float32Array]":true,"[object Float64Array]":true};function isTypedArray(arr){return isStrictTypedArray(arr)||isLooseTypedArray(arr)}function isStrictTypedArray(arr){return arr instanceof Int8Array||arr instanceof Int16Array||arr instanceof Int32Array||arr instanceof Uint8Array||arr instanceof Uint16Array||arr instanceof Uint32Array||arr instanceof Float32Array||arr instanceof Float64Array}function isLooseTypedArray(arr){return names[toString.call(arr)]}},{}],135:[function(require,module,exports){module.exports=function(arr){if(!arr)return false;if(!arr.dtype)return false;var re=new RegExp("function View[0-9]+d(:?"+arr.dtype+")+");return re.test(String(arr.constructor))}},{}],136:[function(require,module,exports){var pack=require("array-pack-2d");var ista=require("is-typedarray");var createBuffer=require("gl-buffer");var isnd=require("isndarray");var dtype=require("dtype");module.exports=normalize;function normalize(gl,attr,size,mode,type){if(Array.isArray(attr)&&Array.isArray(attr[0])){return{buffer:createBuffer(gl,pack(attr,type),mode),length:attr.length}}if(Array.isArray(attr)&&ista(attr[0])){return{buffer:createBuffer(gl,pack(attr,type),mode),length:attr.length*attr[0].length/size}}if(Array.isArray(attr)){return{buffer:createBuffer(gl,new(dtype(type))(attr),mode),length:attr.length/size}}if(attr.handle instanceof WebGLBuffer){return{buffer:attr,length:attr.length/size/4}}if(attr.cells&&attr.positions){return{length:attr.cells.length*size,buffer:createBuffer(gl,pack(attr.positions,type),mode),index:createBuffer(gl,pack(attr.cells,"uint16"),gl.ELEMENT_ARRAY_BUFFER)}}if(isnd(attr)){return{buffer:createBuffer(gl,attr,mode),length:ndlength(attr.shape)/size}}if(ista(attr)){if(type&&!(attr instanceof dtype(type))){attr=convert(attr,dtype(type))}return{buffer:createBuffer(gl,attr,mode),length:attr.length/size}}}function ndlength(shape){var length=1;for(var i=0;i<shape.length;i++)length*=shape[i];return length}function convert(a,b){b=new b(a.length);for(var i=0;i<a.length;i++)b[i]=a[i];return b}},{"array-pack-2d":115,dtype:117,"gl-buffer":118,"is-typedarray":134,isndarray:135}],137:[function(require,module,exports){module.exports=create;function create(){var out=new Float32Array(9);out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=1;out[5]=0;out[6]=0;out[7]=0;out[8]=1;return out}},{}],138:[function(require,module,exports){module.exports=normalFromMat4;function normalFromMat4(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3];var a10=a[4],a11=a[5],a12=a[6],a13=a[7];var a20=a[8],a21=a[9],a22=a[10],a23=a[11];var a30=a[12],a31=a[13],a32=a[14],a33=a[15];var b00=a00*a11-a01*a10;var b01=a00*a12-a02*a10;var b02=a00*a13-a03*a10;var b03=a01*a12-a02*a11;var b04=a01*a13-a03*a11;var b05=a02*a13-a03*a12;var b06=a20*a31-a21*a30;var b07=a20*a32-a22*a30;var b08=a20*a33-a23*a30;var b09=a21*a32-a22*a31;var b10=a21*a33-a23*a31;var b11=a22*a33-a23*a32;var det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det)return null;det=1/det;out[0]=(a11*b11-a12*b10+a13*b09)*det;out[1]=(a12*b08-a10*b11-a13*b07)*det;out[2]=(a10*b10-a11*b08+a13*b06)*det;out[3]=(a02*b10-a01*b11-a03*b09)*det;out[4]=(a00*b11-a02*b08+a03*b07)*det;out[5]=(a01*b08-a00*b10-a03*b06)*det;out[6]=(a31*b05-a32*b04+a33*b03)*det;out[7]=(a32*b02-a30*b05-a33*b01)*det;out[8]=(a30*b04-a31*b02+a33*b00)*det;return out}},{}],139:[function(require,module,exports){module.exports=adjoint;function adjoint(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15];out[0]=a11*(a22*a33-a23*a32)-a21*(a12*a33-a13*a32)+a31*(a12*a23-a13*a22);out[1]=-(a01*(a22*a33-a23*a32)-a21*(a02*a33-a03*a32)+a31*(a02*a23-a03*a22));out[2]=a01*(a12*a33-a13*a32)-a11*(a02*a33-a03*a32)+a31*(a02*a13-a03*a12);out[3]=-(a01*(a12*a23-a13*a22)-a11*(a02*a23-a03*a22)+a21*(a02*a13-a03*a12));out[4]=-(a10*(a22*a33-a23*a32)-a20*(a12*a33-a13*a32)+a30*(a12*a23-a13*a22));out[5]=a00*(a22*a33-a23*a32)-a20*(a02*a33-a03*a32)+a30*(a02*a23-a03*a22);out[6]=-(a00*(a12*a33-a13*a32)-a10*(a02*a33-a03*a32)+a30*(a02*a13-a03*a12));out[7]=a00*(a12*a23-a13*a22)-a10*(a02*a23-a03*a22)+a20*(a02*a13-a03*a12);out[8]=a10*(a21*a33-a23*a31)-a20*(a11*a33-a13*a31)+a30*(a11*a23-a13*a21);out[9]=-(a00*(a21*a33-a23*a31)-a20*(a01*a33-a03*a31)+a30*(a01*a23-a03*a21));out[10]=a00*(a11*a33-a13*a31)-a10*(a01*a33-a03*a31)+a30*(a01*a13-a03*a11);out[11]=-(a00*(a11*a23-a13*a21)-a10*(a01*a23-a03*a21)+a20*(a01*a13-a03*a11));out[12]=-(a10*(a21*a32-a22*a31)-a20*(a11*a32-a12*a31)+a30*(a11*a22-a12*a21));out[13]=a00*(a21*a32-a22*a31)-a20*(a01*a32-a02*a31)+a30*(a01*a22-a02*a21);out[14]=-(a00*(a11*a32-a12*a31)-a10*(a01*a32-a02*a31)+a30*(a01*a12-a02*a11));out[15]=a00*(a11*a22-a12*a21)-a10*(a01*a22-a02*a21)+a20*(a01*a12-a02*a11);return out}},{}],140:[function(require,module,exports){module.exports=clone;function clone(a){var out=new Float32Array(16);out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[8]=a[8];out[9]=a[9];out[10]=a[10];out[11]=a[11];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15];return out}},{}],141:[function(require,module,exports){module.exports=copy;function copy(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[8]=a[8];out[9]=a[9];out[10]=a[10];out[11]=a[11];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15];return out}},{}],142:[function(require,module,exports){module.exports=create;function create(){var out=new Float32Array(16);out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=1;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=1;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out}},{}],143:[function(require,module,exports){module.exports=determinant;function determinant(a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32;return b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06}},{}],144:[function(require,module,exports){module.exports=fromQuat;function fromQuat(out,q){var x=q[0],y=q[1],z=q[2],w=q[3],x2=x+x,y2=y+y,z2=z+z,xx=x*x2,yx=y*x2,yy=y*y2,zx=z*x2,zy=z*y2,zz=z*z2,wx=w*x2,wy=w*y2,wz=w*z2;out[0]=1-yy-zz;out[1]=yx+wz;out[2]=zx-wy;out[3]=0;out[4]=yx-wz;out[5]=1-xx-zz;out[6]=zy+wx;out[7]=0;out[8]=zx+wy;out[9]=zy-wx;out[10]=1-xx-yy;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out}},{}],145:[function(require,module,exports){module.exports=fromRotationTranslation;function fromRotationTranslation(out,q,v){var x=q[0],y=q[1],z=q[2],w=q[3],x2=x+x,y2=y+y,z2=z+z,xx=x*x2,xy=x*y2,xz=x*z2,yy=y*y2,yz=y*z2,zz=z*z2,wx=w*x2,wy=w*y2,wz=w*z2;out[0]=1-(yy+zz);out[1]=xy+wz;out[2]=xz-wy;out[3]=0;out[4]=xy-wz;out[5]=1-(xx+zz);out[6]=yz+wx;out[7]=0;out[8]=xz+wy;out[9]=yz-wx;out[10]=1-(xx+yy);out[11]=0;out[12]=v[0];out[13]=v[1];out[14]=v[2];out[15]=1;return out}},{}],146:[function(require,module,exports){module.exports=frustum;function frustum(out,left,right,bottom,top,near,far){var rl=1/(right-left),tb=1/(top-bottom),nf=1/(near-far);out[0]=near*2*rl;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=near*2*tb;out[6]=0;out[7]=0;out[8]=(right+left)*rl;out[9]=(top+bottom)*tb;out[10]=(far+near)*nf;out[11]=-1;out[12]=0;out[13]=0;out[14]=far*near*2*nf;out[15]=0;return out}},{}],147:[function(require,module,exports){module.exports=identity;function identity(out){out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=1;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=1;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out}},{}],148:[function(require,module,exports){module.exports={create:require("./create"),clone:require("./clone"),copy:require("./copy"),identity:require("./identity"),transpose:require("./transpose"),invert:require("./invert"),adjoint:require("./adjoint"),determinant:require("./determinant"),multiply:require("./multiply"),translate:require("./translate"),scale:require("./scale"),rotate:require("./rotate"),rotateX:require("./rotateX"),rotateY:require("./rotateY"),rotateZ:require("./rotateZ"),fromRotationTranslation:require("./fromRotationTranslation"),fromQuat:require("./fromQuat"),frustum:require("./frustum"),perspective:require("./perspective"),perspectiveFromFieldOfView:require("./perspectiveFromFieldOfView"),ortho:require("./ortho"),lookAt:require("./lookAt"),str:require("./str")}},{"./adjoint":139,"./clone":140,"./copy":141,"./create":142,"./determinant":143,"./fromQuat":144,"./fromRotationTranslation":145,"./frustum":146,"./identity":147,"./invert":149,"./lookAt":150,"./multiply":151,"./ortho":152,"./perspective":153,"./perspectiveFromFieldOfView":154,"./rotate":155,"./rotateX":156,"./rotateY":157,"./rotateZ":158,"./scale":159,"./str":160,"./translate":161,"./transpose":162}],149:[function(require,module,exports){module.exports=invert;function invert(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/det;out[0]=(a11*b11-a12*b10+a13*b09)*det;out[1]=(a02*b10-a01*b11-a03*b09)*det;out[2]=(a31*b05-a32*b04+a33*b03)*det;out[3]=(a22*b04-a21*b05-a23*b03)*det;out[4]=(a12*b08-a10*b11-a13*b07)*det;out[5]=(a00*b11-a02*b08+a03*b07)*det;out[6]=(a32*b02-a30*b05-a33*b01)*det;out[7]=(a20*b05-a22*b02+a23*b01)*det;out[8]=(a10*b10-a11*b08+a13*b06)*det;out[9]=(a01*b08-a00*b10-a03*b06)*det;out[10]=(a30*b04-a31*b02+a33*b00)*det;out[11]=(a21*b02-a20*b04-a23*b00)*det;out[12]=(a11*b07-a10*b09-a12*b06)*det;out[13]=(a00*b09-a01*b07+a02*b06)*det;out[14]=(a31*b01-a30*b03-a32*b00)*det;out[15]=(a20*b03-a21*b01+a22*b00)*det;return out}},{}],150:[function(require,module,exports){var identity=require("./identity");module.exports=lookAt;function lookAt(out,eye,center,up){var x0,x1,x2,y0,y1,y2,z0,z1,z2,len,eyex=eye[0],eyey=eye[1],eyez=eye[2],upx=up[0],upy=up[1],upz=up[2],centerx=center[0],centery=center[1],centerz=center[2];if(Math.abs(eyex-centerx)<1e-6&&Math.abs(eyey-centery)<1e-6&&Math.abs(eyez-centerz)<1e-6){return identity(out)}z0=eyex-centerx;z1=eyey-centery;z2=eyez-centerz;len=1/Math.sqrt(z0*z0+z1*z1+z2*z2);z0*=len;z1*=len;z2*=len;x0=upy*z2-upz*z1;x1=upz*z0-upx*z2;x2=upx*z1-upy*z0;len=Math.sqrt(x0*x0+x1*x1+x2*x2);if(!len){x0=0;x1=0;x2=0}else{len=1/len;x0*=len;x1*=len;x2*=len}y0=z1*x2-z2*x1;y1=z2*x0-z0*x2;y2=z0*x1-z1*x0;len=Math.sqrt(y0*y0+y1*y1+y2*y2);if(!len){y0=0;y1=0;y2=0}else{len=1/len;y0*=len;y1*=len;y2*=len}out[0]=x0;out[1]=y0;out[2]=z0;out[3]=0;out[4]=x1;out[5]=y1;out[6]=z1;out[7]=0;out[8]=x2;out[9]=y2;out[10]=z2;out[11]=0;out[12]=-(x0*eyex+x1*eyey+x2*eyez);out[13]=-(y0*eyex+y1*eyey+y2*eyez);out[14]=-(z0*eyex+z1*eyey+z2*eyez);out[15]=1;return out}},{"./identity":147}],151:[function(require,module,exports){module.exports=multiply;function multiply(out,a,b){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15];var b0=b[0],b1=b[1],b2=b[2],b3=b[3];out[0]=b0*a00+b1*a10+b2*a20+b3*a30;out[1]=b0*a01+b1*a11+b2*a21+b3*a31;out[2]=b0*a02+b1*a12+b2*a22+b3*a32;out[3]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[4];b1=b[5];b2=b[6];b3=b[7];out[4]=b0*a00+b1*a10+b2*a20+b3*a30;out[5]=b0*a01+b1*a11+b2*a21+b3*a31;out[6]=b0*a02+b1*a12+b2*a22+b3*a32;out[7]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[8];b1=b[9];b2=b[10];b3=b[11];out[8]=b0*a00+b1*a10+b2*a20+b3*a30;out[9]=b0*a01+b1*a11+b2*a21+b3*a31;out[10]=b0*a02+b1*a12+b2*a22+b3*a32;out[11]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[12];b1=b[13];b2=b[14];b3=b[15];out[12]=b0*a00+b1*a10+b2*a20+b3*a30;out[13]=b0*a01+b1*a11+b2*a21+b3*a31;out[14]=b0*a02+b1*a12+b2*a22+b3*a32;out[15]=b0*a03+b1*a13+b2*a23+b3*a33;return out}},{}],152:[function(require,module,exports){module.exports=ortho;function ortho(out,left,right,bottom,top,near,far){var lr=1/(left-right),bt=1/(bottom-top),nf=1/(near-far);out[0]=-2*lr;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=-2*bt;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=2*nf;out[11]=0;out[12]=(left+right)*lr;out[13]=(top+bottom)*bt;out[14]=(far+near)*nf;out[15]=1;return out}},{}],153:[function(require,module,exports){module.exports=perspective;function perspective(out,fovy,aspect,near,far){var f=1/Math.tan(fovy/2),nf=1/(near-far);out[0]=f/aspect;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=f;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=(far+near)*nf;out[11]=-1;out[12]=0;out[13]=0;out[14]=2*far*near*nf;out[15]=0;return out}},{}],154:[function(require,module,exports){module.exports=perspectiveFromFieldOfView;function perspectiveFromFieldOfView(out,fov,near,far){var upTan=Math.tan(fov.upDegrees*Math.PI/180),downTan=Math.tan(fov.downDegrees*Math.PI/180),leftTan=Math.tan(fov.leftDegrees*Math.PI/180),rightTan=Math.tan(fov.rightDegrees*Math.PI/180),xScale=2/(leftTan+rightTan),yScale=2/(upTan+downTan);out[0]=xScale;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=yScale;out[6]=0;out[7]=0;out[8]=-((leftTan-rightTan)*xScale*.5);out[9]=(upTan-downTan)*yScale*.5;out[10]=far/(near-far);out[11]=-1;out[12]=0;out[13]=0;out[14]=far*near/(near-far);out[15]=0;return out}},{}],155:[function(require,module,exports){module.exports=rotate;function rotate(out,a,rad,axis){var x=axis[0],y=axis[1],z=axis[2],len=Math.sqrt(x*x+y*y+z*z),s,c,t,a00,a01,a02,a03,a10,a11,a12,a13,a20,a21,a22,a23,b00,b01,b02,b10,b11,b12,b20,b21,b22;if(Math.abs(len)<1e-6){return null}len=1/len;x*=len;y*=len;z*=len;s=Math.sin(rad);c=Math.cos(rad);t=1-c;a00=a[0];a01=a[1];a02=a[2];a03=a[3];a10=a[4];a11=a[5];a12=a[6];a13=a[7];a20=a[8];a21=a[9];a22=a[10];a23=a[11];b00=x*x*t+c;b01=y*x*t+z*s;b02=z*x*t-y*s;b10=x*y*t-z*s;b11=y*y*t+c;b12=z*y*t+x*s;b20=x*z*t+y*s;b21=y*z*t-x*s;b22=z*z*t+c;out[0]=a00*b00+a10*b01+a20*b02;out[1]=a01*b00+a11*b01+a21*b02;out[2]=a02*b00+a12*b01+a22*b02;out[3]=a03*b00+a13*b01+a23*b02;out[4]=a00*b10+a10*b11+a20*b12;out[5]=a01*b10+a11*b11+a21*b12;out[6]=a02*b10+a12*b11+a22*b12;out[7]=a03*b10+a13*b11+a23*b12;out[8]=a00*b20+a10*b21+a20*b22;out[9]=a01*b20+a11*b21+a21*b22;out[10]=a02*b20+a12*b21+a22*b22;out[11]=a03*b20+a13*b21+a23*b22;if(a!==out){out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}return out}},{}],156:[function(require,module,exports){module.exports=rotateX;function rotateX(out,a,rad){var s=Math.sin(rad),c=Math.cos(rad),a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11];if(a!==out){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}out[4]=a10*c+a20*s;out[5]=a11*c+a21*s;out[6]=a12*c+a22*s;out[7]=a13*c+a23*s;out[8]=a20*c-a10*s;out[9]=a21*c-a11*s;out[10]=a22*c-a12*s;out[11]=a23*c-a13*s;return out}},{}],157:[function(require,module,exports){module.exports=rotateY;function rotateY(out,a,rad){var s=Math.sin(rad),c=Math.cos(rad),a00=a[0],a01=a[1],a02=a[2],a03=a[3],a20=a[8],a21=a[9],a22=a[10],a23=a[11];if(a!==out){out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}out[0]=a00*c-a20*s;out[1]=a01*c-a21*s;out[2]=a02*c-a22*s;out[3]=a03*c-a23*s;out[8]=a00*s+a20*c;out[9]=a01*s+a21*c;out[10]=a02*s+a22*c;out[11]=a03*s+a23*c;return out}},{}],158:[function(require,module,exports){module.exports=rotateZ;function rotateZ(out,a,rad){var s=Math.sin(rad),c=Math.cos(rad),a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7];if(a!==out){out[8]=a[8];out[9]=a[9];out[10]=a[10];out[11]=a[11];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}out[0]=a00*c+a10*s;out[1]=a01*c+a11*s;out[2]=a02*c+a12*s;out[3]=a03*c+a13*s;out[4]=a10*c-a00*s;out[5]=a11*c-a01*s;out[6]=a12*c-a02*s;out[7]=a13*c-a03*s;return out}},{}],159:[function(require,module,exports){module.exports=scale;function scale(out,a,v){var x=v[0],y=v[1],z=v[2];out[0]=a[0]*x;out[1]=a[1]*x;out[2]=a[2]*x;out[3]=a[3]*x;out[4]=a[4]*y;out[5]=a[5]*y;out[6]=a[6]*y;out[7]=a[7]*y;out[8]=a[8]*z;out[9]=a[9]*z;out[10]=a[10]*z;out[11]=a[11]*z;out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15];return out}},{}],160:[function(require,module,exports){module.exports=str;function str(a){return"mat4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+")"}},{}],161:[function(require,module,exports){module.exports=translate;function translate(out,a,v){var x=v[0],y=v[1],z=v[2],a00,a01,a02,a03,a10,a11,a12,a13,a20,a21,a22,a23;if(a===out){out[12]=a[0]*x+a[4]*y+a[8]*z+a[12];out[13]=a[1]*x+a[5]*y+a[9]*z+a[13];out[14]=a[2]*x+a[6]*y+a[10]*z+a[14];out[15]=a[3]*x+a[7]*y+a[11]*z+a[15]}else{a00=a[0];a01=a[1];a02=a[2];a03=a[3];a10=a[4];a11=a[5];a12=a[6];a13=a[7];a20=a[8];a21=a[9];a22=a[10];a23=a[11];out[0]=a00;out[1]=a01;out[2]=a02;out[3]=a03;out[4]=a10;out[5]=a11;out[6]=a12;out[7]=a13;out[8]=a20;out[9]=a21;out[10]=a22;out[11]=a23;out[12]=a00*x+a10*y+a20*z+a[12];out[13]=a01*x+a11*y+a21*z+a[13];out[14]=a02*x+a12*y+a22*z+a[14];out[15]=a03*x+a13*y+a23*z+a[15]}return out}},{}],162:[function(require,module,exports){module.exports=transpose;function transpose(out,a){if(out===a){var a01=a[1],a02=a[2],a03=a[3],a12=a[6],a13=a[7],a23=a[11];out[1]=a[4];out[2]=a[8];out[3]=a[12];out[4]=a01;out[6]=a[9];out[7]=a[13];out[8]=a02;out[9]=a12;out[11]=a[14];out[12]=a03;out[13]=a13;out[14]=a23}else{out[0]=a[0];out[1]=a[4];out[2]=a[8];out[3]=a[12];out[4]=a[1];out[5]=a[5];out[6]=a[9];out[7]=a[13];out[8]=a[2];out[9]=a[6];out[10]=a[10];out[11]=a[14];out[12]=a[3];out[13]=a[7];out[14]=a[11];out[15]=a[15]}return out}},{}],163:[function(require,module,exports){module.exports=identity;function identity(out){out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out}},{}],164:[function(require,module,exports){module.exports=invert;function invert(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],dot=a0*a0+a1*a1+a2*a2+a3*a3,invDot=dot?1/dot:0;out[0]=-a0*invDot;out[1]=-a1*invDot;out[2]=-a2*invDot;out[3]=a3*invDot;return out}},{}],165:[function(require,module,exports){module.exports=normalize;function normalize(out,a){var x=a[0],y=a[1],z=a[2],w=a[3];var len=x*x+y*y+z*z+w*w;if(len>0){len=1/Math.sqrt(len);out[0]=x*len;out[1]=y*len;out[2]=z*len;out[3]=w*len}return out}},{}],166:[function(require,module,exports){module.exports=require("gl-vec4/normalize")},{"gl-vec4/normalize":165}],167:[function(require,module,exports){module.exports=rotateX;function rotateX(out,a,rad){rad*=.5;var ax=a[0],ay=a[1],az=a[2],aw=a[3],bx=Math.sin(rad),bw=Math.cos(rad);out[0]=ax*bw+aw*bx;out[1]=ay*bw+az*bx;out[2]=az*bw-ay*bx;out[3]=aw*bw-ax*bx;return out}},{}],168:[function(require,module,exports){module.exports=rotateY;function rotateY(out,a,rad){rad*=.5;var ax=a[0],ay=a[1],az=a[2],aw=a[3],by=Math.sin(rad),bw=Math.cos(rad);out[0]=ax*bw-az*by;out[1]=ay*bw+aw*by;out[2]=az*bw+ax*by;out[3]=aw*bw-ay*by;return out}},{}],169:[function(require,module,exports){module.exports=rotateZ;function rotateZ(out,a,rad){rad*=.5;var ax=a[0],ay=a[1],az=a[2],aw=a[3],bz=Math.sin(rad),bw=Math.cos(rad);out[0]=ax*bw+ay*bz;out[1]=ay*bw-ax*bz;out[2]=az*bw+aw*bz;out[3]=aw*bw-az*bz;return out}},{}],170:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");var shaderCache=require("./lib/shader-cache");var runtime=require("./lib/runtime-reflect");var GLError=require("./lib/GLError");function Shader(gl){this.gl=gl;this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}var proto=Shader.prototype;proto.bind=function(){if(!this.program){this._relink()}this.gl.useProgram(this.program)};proto.dispose=function(){if(this._fref){this._fref.dispose()}if(this._vref){this._vref.dispose()}this.attributes=this.types=this.vertShader=this.fragShader=this.program=this._relink=this._fref=this._vref=null};function compareAttributes(a,b){if(a.name<b.name){return-1}return 1}proto.update=function(vertSource,fragSource,uniforms,attributes){if(!fragSource||arguments.length===1){var obj=vertSource;vertSource=obj.vertex;fragSource=obj.fragment;uniforms=obj.uniforms;attributes=obj.attributes}var wrapper=this;var gl=wrapper.gl;var pvref=wrapper._vref;wrapper._vref=shaderCache.shader(gl,gl.VERTEX_SHADER,vertSource);if(pvref){pvref.dispose()}wrapper.vertShader=wrapper._vref.shader;var pfref=this._fref;wrapper._fref=shaderCache.shader(gl,gl.FRAGMENT_SHADER,fragSource);if(pfref){pfref.dispose()}wrapper.fragShader=wrapper._fref.shader;if(!uniforms||!attributes){var testProgram=gl.createProgram();gl.attachShader(testProgram,wrapper.fragShader);gl.attachShader(testProgram,wrapper.vertShader);gl.linkProgram(testProgram);if(!gl.getProgramParameter(testProgram,gl.LINK_STATUS)){ | |
| var errLog=gl.getProgramInfoLog(testProgram);throw new GLError(errLog,"Error linking program:"+errLog)}uniforms=uniforms||runtime.uniforms(gl,testProgram);attributes=attributes||runtime.attributes(gl,testProgram);gl.deleteProgram(testProgram)}attributes=attributes.slice();attributes.sort(compareAttributes);var attributeUnpacked=[];var attributeNames=[];var attributeLocations=[];for(var i=0;i<attributes.length;++i){var attr=attributes[i];if(attr.type.indexOf("mat")>=0){var size=attr.type.charAt(attr.type.length-1)|0;var locVector=new Array(size);for(var j=0;j<size;++j){locVector[j]=attributeLocations.length;attributeNames.push(attr.name+"["+j+"]");if(typeof attr.location==="number"){attributeLocations.push(attr.location+j)}else if(Array.isArray(attr.location)&&attr.location.length===size&&typeof attr.location[j]==="number"){attributeLocations.push(attr.location[j]|0)}else{attributeLocations.push(-1)}}attributeUnpacked.push({name:attr.name,type:attr.type,locations:locVector})}else{attributeUnpacked.push({name:attr.name,type:attr.type,locations:[attributeLocations.length]});attributeNames.push(attr.name);if(typeof attr.location==="number"){attributeLocations.push(attr.location|0)}else{attributeLocations.push(-1)}}}var curLocation=0;for(var i=0;i<attributeLocations.length;++i){if(attributeLocations[i]<0){while(attributeLocations.indexOf(curLocation)>=0){curLocation+=1}attributeLocations[i]=curLocation}}var uniformLocations=new Array(uniforms.length);function relink(){wrapper.program=shaderCache.program(gl,wrapper._vref,wrapper._fref,attributeNames,attributeLocations);for(var i=0;i<uniforms.length;++i){uniformLocations[i]=gl.getUniformLocation(wrapper.program,uniforms[i].name)}}relink();wrapper._relink=relink;wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations);Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))};function createShader(gl,vertSource,fragSource,uniforms,attributes){var shader=new Shader(gl);shader.update(vertSource,fragSource,uniforms,attributes);return shader}module.exports=createShader},{"./lib/GLError":171,"./lib/create-attributes":172,"./lib/create-uniforms":173,"./lib/reflect":174,"./lib/runtime-reflect":175,"./lib/shader-cache":176}],171:[function(require,module,exports){function GLError(rawError,shortMessage,longMessage){this.shortMessage=shortMessage||"";this.longMessage=longMessage||"";this.rawError=rawError||"";this.message="gl-shader: "+(shortMessage||rawError||"")+(longMessage?"\n"+longMessage:"");this.stack=(new Error).stack}GLError.prototype=new Error;GLError.prototype.name="GLError";GLError.prototype.constructor=GLError;module.exports=GLError},{}],172:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;var GLError=require("./GLError");function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl;this._wrapper=wrapper;this._index=index;this._locations=locations;this._dimension=dimension;this._constFunc=constFunc}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var self=this;var gl=self._gl;var location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0);gl.enableVertexAttribArray(location)};proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)};Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){if(v!==this._locations[this._index]){this._locations[this._index]=v|0;this._wrapper.program=null}return v|0}});function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){var constFuncArgs=["gl","v"];var varNames=[];for(var i=0;i<dimension;++i){constFuncArgs.push("x"+i);varNames.push("x"+i)}constFuncArgs.push("if(x0.length===void 0){return gl.vertexAttrib"+dimension+"f(v,"+varNames.join()+")}else{return gl.vertexAttrib"+dimension+"fv(v,x0)}");var constFunc=Function.apply(null,constFuncArgs);var attr=new ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(locations[index]);constFunc(gl,locations[index],x);return x},get:function(){return attr},enumerable:true})}function addMatrixAttribute(gl,wrapper,index,locations,dimension,obj,name){var parts=new Array(dimension);var attrs=new Array(dimension);for(var i=0;i<dimension;++i){addVectorAttribute(gl,wrapper,index[i],locations,dimension,parts,i);attrs[i]=parts[i]}Object.defineProperty(parts,"location",{set:function(v){if(Array.isArray(v)){for(var i=0;i<dimension;++i){attrs[i].location=v[i]}}else{for(var i=0;i<dimension;++i){attrs[i].location=v+i}}return v},get:function(){var result=new Array(dimension);for(var i=0;i<dimension;++i){result[i]=locations[index[i]]}return result},enumerable:true});parts.pointer=function(type,normalized,stride,offset){type=type||gl.FLOAT;normalized=!!normalized;stride=stride||dimension*dimension;offset=offset||0;for(var i=0;i<dimension;++i){var location=locations[index[i]];gl.vertexAttribPointer(location,dimension,type,normalized,stride,offset+i*dimension);gl.enableVertexAttribArray(location)}};var scratch=new Array(dimension);var vertexAttrib=gl["vertexAttrib"+dimension+"fv"];Object.defineProperty(obj,name,{set:function(x){for(var i=0;i<dimension;++i){var loc=locations[index[i]];gl.disableVertexAttribArray(loc);if(Array.isArray(x[0])){vertexAttrib.call(gl,loc,x[i])}else{for(var j=0;j<dimension;++j){scratch[j]=x[dimension*i+j]}vertexAttrib.call(gl,loc,scratch)}}return x},get:function(){return parts},enumerable:true})}function createAttributeWrapper(gl,wrapper,attributes,locations){var obj={};for(var i=0,n=attributes.length;i<n;++i){var a=attributes[i];var name=a.name;var type=a.type;var locs=a.locations;switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,wrapper,locs[0],locations,1,obj,name);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new GLError("","Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else if(type.indexOf("mat")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new GLError("","Invalid data type for attribute "+name+": "+type)}addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}else{throw new GLError("","Unknown data type for attribute "+name+": "+type)}break}}return obj}},{"./GLError":171}],173:[function(require,module,exports){"use strict";var coallesceUniforms=require("./reflect");var GLError=require("./GLError");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function makeVector(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function createUniformWrapper(gl,wrapper,uniforms,locations){function makeGetter(index){var proc=new Function("gl","wrapper","locations","return function(){return gl.getUniform(wrapper.program,locations["+index+"])}");return proc(gl,wrapper,locations)}function makePropSetter(path,index,type){switch(type){case"bool":case"int":case"sampler2D":case"samplerCube":return"gl.uniform1i(locations["+index+"],obj"+path+")";case"float":return"gl.uniform1f(locations["+index+"],obj"+path+")";default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new GLError("","Invalid data type")}switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new GLError("","Unrecognized data type for vector "+name+": "+type)}}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new GLError("","Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new GLError("","Unknown uniform data type for "+name+": "+type)}break}}function enumerateIndices(prefix,type){if(typeof type!=="object"){return[[prefix,type]]}var indices=[];for(var id in type){var prop=type[id];var tprefix=prefix;if(parseInt(id)+""===id){tprefix+="["+id+"]"}else{tprefix+="."+id}if(typeof prop==="object"){indices.push.apply(indices,enumerateIndices(tprefix,prop))}else{indices.push([tprefix,prop])}}return indices}function makeSetter(type){var code=["return function updateProperty(obj){"];var indices=enumerateIndices("",type);for(var i=0;i<indices.length;++i){var item=indices[i];var path=item[0];var idx=item[1];if(locations[idx]){code.push(makePropSetter(path,idx,uniforms[idx].type))}}code.push("return obj}");var proc=new Function("gl","locations",code.join("\n"));return proc(gl,locations)}function defaultValue(type){switch(type){case"bool":return false;case"int":case"sampler2D":case"samplerCube":return 0;case"float":return 0;default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new GLError("","Invalid data type")}if(type.charAt(0)==="b"){return makeVector(d,false)}return makeVector(d,0)}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new GLError("","Invalid uniform dimension type for matrix "+name+": "+type)}return makeVector(d*d,0)}else{throw new GLError("","Unknown uniform data type for "+name+": "+type)}break}}function storeProperty(obj,prop,type){if(typeof type==="object"){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:true,configurable:false})}else{if(locations[type]){Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:true,configurable:false})}else{obj[prop]=defaultValue(uniforms[type].type)}}}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i<obj.length;++i){storeProperty(result,i,obj[i])}}else{result={};for(var id in obj){storeProperty(result,id,obj[id])}}return result}var coallesced=coallesceUniforms(uniforms,true);return{get:identity(processObject(coallesced)),set:makeSetter(coallesced),enumerable:true,configurable:true}}},{"./GLError":171,"./reflect":174}],174:[function(require,module,exports){"use strict";module.exports=makeReflectTypes;function makeReflectTypes(uniforms,useIndex){var obj={};for(var i=0;i<uniforms.length;++i){var n=uniforms[i].name;var parts=n.split(".");var o=obj;for(var j=0;j<parts.length;++j){var x=parts[j].split("[");if(x.length>1){if(!(x[0]in o)){o[x[0]]=[]}o=o[x[0]];for(var k=1;k<x.length;++k){var y=parseInt(x[k]);if(k<x.length-1||j<parts.length-1){if(!(y in o)){if(k<x.length-1){o[y]=[]}else{o[y]={}}}o=o[y]}else{if(useIndex){o[y]=i}else{o[y]=uniforms[i].type}}}}else if(j<parts.length-1){if(!(x[0]in o)){o[x[0]]={}}o=o[x[0]]}else{if(useIndex){o[x[0]]=i}else{o[x[0]]=uniforms[i].type}}}}return obj}},{}],175:[function(require,module,exports){"use strict";exports.uniforms=runtimeUniforms;exports.attributes=runtimeAttributes;var GL_TO_GLSL_TYPES={FLOAT:"float",FLOAT_VEC2:"vec2",FLOAT_VEC3:"vec3",FLOAT_VEC4:"vec4",INT:"int",INT_VEC2:"ivec2",INT_VEC3:"ivec3",INT_VEC4:"ivec4",BOOL:"bool",BOOL_VEC2:"bvec2",BOOL_VEC3:"bvec3",BOOL_VEC4:"bvec4",FLOAT_MAT2:"mat2",FLOAT_MAT3:"mat3",FLOAT_MAT4:"mat4",SAMPLER_2D:"sampler2D",SAMPLER_CUBE:"samplerCube"};var GL_TABLE=null;function getType(gl,type){if(!GL_TABLE){var typeNames=Object.keys(GL_TO_GLSL_TYPES);GL_TABLE={};for(var i=0;i<typeNames.length;++i){var tn=typeNames[i];GL_TABLE[gl[tn]]=GL_TO_GLSL_TYPES[tn]}}return GL_TABLE[type]}function runtimeUniforms(gl,program){var numUniforms=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);var result=[];for(var i=0;i<numUniforms;++i){var info=gl.getActiveUniform(program,i);if(info){var type=getType(gl,info.type);if(info.size>1){for(var j=0;j<info.size;++j){result.push({name:info.name.replace("[0]","["+j+"]"),type:type})}}else{result.push({name:info.name,type:type})}}}return result}function runtimeAttributes(gl,program){var numAttributes=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);var result=[];for(var i=0;i<numAttributes;++i){var info=gl.getActiveAttrib(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}},{}],176:[function(require,module,exports){"use strict";exports.shader=getShaderReference;exports.program=createProgram;var GLError=require("./GLError");var formatCompilerError=require("gl-format-compiler-error");var weakMap=typeof WeakMap==="undefined"?require("weakmap-shim"):WeakMap;var CACHE=new weakMap;var SHADER_COUNTER=0;function ShaderReference(id,src,type,shader,programs,count,cache){this.id=id;this.src=src;this.type=type;this.shader=shader;this.count=count;this.programs=[];this.cache=cache}ShaderReference.prototype.dispose=function(){if(--this.count===0){var cache=this.cache;var gl=cache.gl;var programs=this.programs;for(var i=0,n=programs.length;i<n;++i){var p=cache.programs[programs[i]];if(p){delete cache.programs[i];gl.deleteProgram(p)}}gl.deleteShader(this.shader);delete cache.shaders[this.type===gl.FRAGMENT_SHADER|0][this.src]}};function ContextCache(gl){this.gl=gl;this.shaders=[{},{}];this.programs={}}var proto=ContextCache.prototype;function compileShader(gl,type,src){var shader=gl.createShader(type);gl.shaderSource(shader,src);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(shader);try{var fmt=formatCompilerError(errLog,src,type)}catch(e){console.warn("Failed to format compiler error: "+e);throw new GLError(errLog,"Error compiling shader:\n"+errLog)}throw new GLError(errLog,fmt.short,fmt.long)}return shader}proto.getShaderReference=function(type,src){var gl=this.gl;var shaders=this.shaders[type===gl.FRAGMENT_SHADER|0];var shader=shaders[src];if(!shader||!gl.isShader(shader.shader)){var shaderObj=compileShader(gl,type,src);shader=shaders[src]=new ShaderReference(SHADER_COUNTER++,src,type,shaderObj,[],1,this)}else{shader.count+=1}return shader};function linkProgram(gl,vshader,fshader,attribs,locations){var program=gl.createProgram();gl.attachShader(program,vshader);gl.attachShader(program,fshader);for(var i=0;i<attribs.length;++i){gl.bindAttribLocation(program,locations[i],attribs[i])}gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);throw new GLError(errLog,"Error linking program: "+errLog)}return program}proto.getProgram=function(vref,fref,attribs,locations){var token=[vref.id,fref.id,attribs.join(":"),locations.join(":")].join("@");var prog=this.programs[token];if(!prog||!this.gl.isProgram(prog)){this.programs[token]=prog=linkProgram(this.gl,vref.shader,fref.shader,attribs,locations);vref.programs.push(token);fref.programs.push(token)}return prog};function getCache(gl){var ctxCache=CACHE.get(gl);if(!ctxCache){ctxCache=new ContextCache(gl);CACHE.set(gl,ctxCache)}return ctxCache}function getShaderReference(gl,type,src){return getCache(gl).getShaderReference(type,src)}function createProgram(gl,vref,fref,attribs,locations){return getCache(gl).getProgram(vref,fref,attribs,locations)}},{"./GLError":171,"gl-format-compiler-error":177,"weakmap-shim":193}],177:[function(require,module,exports){var sprintf=require("sprintf-js").sprintf;var glConstants=require("gl-constants/lookup");var shaderName=require("glsl-shader-name");var addLineNumbers=require("add-line-numbers");module.exports=formatCompilerError;function formatCompilerError(errLog,src,type){"use strict";var name=shaderName(src)||"of unknown name (see npm glsl-shader-name)";var typeName="unknown type";if(type!==undefined){typeName=type===glConstants.FRAGMENT_SHADER?"fragment":"vertex"}var longForm=sprintf("Error compiling %s shader %s:\n",typeName,name);var shortForm=sprintf("%s%s",longForm,errLog);var errorStrings=errLog.split("\n");var errors={};for(var i=0;i<errorStrings.length;i++){var errorString=errorStrings[i];if(errorString==="")continue;var lineNo=parseInt(errorString.split(":")[2]);if(isNaN(lineNo)){throw new Error(sprintf("Could not parse error: %s",errorString))}errors[lineNo]=errorString}var lines=addLineNumbers(src).split("\n");for(var i=0;i<lines.length;i++){if(!errors[i+3]&&!errors[i+2]&&!errors[i+1])continue;var line=lines[i];longForm+=line+"\n";if(errors[i+1]){var e=errors[i+1];e=e.substr(e.split(":",3).join(":").length+1).trim();longForm+=sprintf("^^^ %s\n\n",e)}}return{"long":longForm.trim(),"short":shortForm.trim()}}},{"add-line-numbers":178,"gl-constants/lookup":182,"glsl-shader-name":183,"sprintf-js":190}],178:[function(require,module,exports){var padLeft=require("pad-left");module.exports=addLineNumbers;function addLineNumbers(string,start,delim){start=typeof start==="number"?start:1;delim=delim||": ";var lines=string.split(/\r?\n/);var totalDigits=String(lines.length+start-1).length;return lines.map(function(line,i){var c=i+start;var digits=String(c).length;var prefix=padLeft(c,totalDigits-digits);return prefix+delim+line}).join("\n")}},{"pad-left":179}],179:[function(require,module,exports){"use strict";var repeat=require("repeat-string");module.exports=function padLeft(str,num,ch){ch=typeof ch!=="undefined"?ch+"":" ";return repeat(ch,num)+str}},{"repeat-string":180}],180:[function(require,module,exports){"use strict";module.exports=repeat;function repeat(str,num){if(typeof str!=="string"){throw new TypeError("repeat-string 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cache},{}],181:[function(require,module,exports){module.exports={0:"NONE",1:"ONE",2:"LINE_LOOP",3:"LINE_STRIP",4:"TRIANGLES",5:"TRIANGLE_STRIP",6:"TRIANGLE_FAN",256:"DEPTH_BUFFER_BIT",512:"NEVER",513:"LESS",514:"EQUAL",515:"LEQUAL",516:"GREATER",517:"NOTEQUAL",518:"GEQUAL",519:"ALWAYS",768:"SRC_COLOR",769:"ONE_MINUS_SRC_COLOR",770:"SRC_ALPHA",771:"ONE_MINUS_SRC_ALPHA",772:"DST_ALPHA",773:"ONE_MINUS_DST_ALPHA",774:"DST_COLOR",775:"ONE_MINUS_DST_COLOR",776:"SRC_ALPHA_SATURATE",1024:"STENCIL_BUFFER_BIT",1028:"FRONT",1029:"BACK",1032:"FRONT_AND_BACK",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",2304:"CW",2305:"CCW",2849:"LINE_WIDTH",2884:"CULL_FACE",2885:"CULL_FACE_MODE",2886:"FRONT_FACE",2928:"DEPTH_RANGE",2929:"DEPTH_TEST",2930:"DEPTH_WRITEMASK",2931:"DEPTH_CLEAR_VALUE",2932:"DEPTH_FUNC",2960:"STENCIL_TEST",2961:"STENCIL_CLEAR_VALUE",2962:"STENCIL_FUNC",2963:"STENCIL_VALUE_MASK",2964:"STENCIL_FAIL",2965:"STENCIL_PASS_DEPTH_FAIL",2966:"STENCIL_PASS_DEPTH_PASS",2967:"STENCIL_REF",2968:"STENCIL_WRITEMASK",2978:"VIEWPORT",3024:"DITHER",3042:"BLEND",3088:"SCISSOR_BOX",3089:"SCISSOR_TEST",3106:"COLOR_CLEAR_VALUE",3107:"COLOR_WRITEMASK",3317:"UNPACK_ALIGNMENT",3333:"PACK_ALIGNMENT",3379:"MAX_TEXTURE_SIZE",3386:"MAX_VIEWPORT_DIMS",3408:"SUBPIXEL_BITS",3410:"RED_BITS",3411:"GREEN_BITS",3412:"BLUE_BITS",3413:"ALPHA_BITS",3414:"DEPTH_BITS",3415:"STENCIL_BITS",3553:"TEXTURE_2D",4352:"DONT_CARE",4353:"FASTEST",4354:"NICEST",5120:"BYTE",5121:"UNSIGNED_BYTE",5122:"SHORT",5123:"UNSIGNED_SHORT",5124:"INT",5125:"UNSIGNED_INT",5126:"FLOAT",5386:"INVERT",5890:"TEXTURE",6401:"STENCIL_INDEX",6402:"DEPTH_COMPONENT",6406:"ALPHA",6407:"RGB",6408:"RGBA",6409:"LUMINANCE",6410:"LUMINANCE_ALPHA",7680:"KEEP",7681:"REPLACE",7682:"INCR",7683:"DECR",7936:"VENDOR",7937:"RENDERER",7938:"VERSION",9728:"NEAREST",9729:"LINEAR",9984:"NEAREST_MIPMAP_NEAREST",9985:"LINEAR_MIPMAP_NEAREST",9986:"NEAREST_MIPMAP_LINEAR",9987:"LINEAR_MIPMAP_LINEAR",10240:"TEXTURE_MAG_FILTER",10241:"TEXTURE_MIN_FILTER",10242:"TEXTURE_WRAP_S",10243:"TEXTURE_WRAP_T",10497:"REPEAT",10752:"POLYGON_OFFSET_UNITS",16384:"COLOR_BUFFER_BIT",32769:"CONSTANT_COLOR",32770:"ONE_MINUS_CONSTANT_COLOR",32771:"CONSTANT_ALPHA",32772:"ONE_MINUS_CONSTANT_ALPHA",32773:"BLEND_COLOR",32774:"FUNC_ADD",32777:"BLEND_EQUATION_RGB",32778:"FUNC_SUBTRACT",32779:"FUNC_REVERSE_SUBTRACT",32819:"UNSIGNED_SHORT_4_4_4_4",32820:"UNSIGNED_SHORT_5_5_5_1",32823:"POLYGON_OFFSET_FILL",32824:"POLYGON_OFFSET_FACTOR",32854:"RGBA4",32855:"RGB5_A1",32873:"TEXTURE_BINDING_2D",32926:"SAMPLE_ALPHA_TO_COVERAGE",32928:"SAMPLE_COVERAGE",32936:"SAMPLE_BUFFERS",32937:"SAMPLES",32938:"SAMPLE_COVERAGE_VALUE",32939:"SAMPLE_COVERAGE_INVERT",32968:"BLEND_DST_RGB",32969:"BLEND_SRC_RGB",32970:"BLEND_DST_ALPHA",32971:"BLEND_SRC_ALPHA",33071:"CLAMP_TO_EDGE",33170:"GENERATE_MIPMAP_HINT",33189:"DEPTH_COMPONENT16",33306:"DEPTH_STENCIL_ATTACHMENT",33635:"UNSIGNED_SHORT_5_6_5",33648:"MIRRORED_REPEAT",33901:"ALIASED_POINT_SIZE_RANGE",33902:"ALIASED_LINE_WIDTH_RANGE",33984:"TEXTURE0",33985:"TEXTURE1",33986:"TEXTURE2",33987:"TEXTURE3",33988:"TEXTURE4",33989:"TEXTURE5",33990:"TEXTURE6",33991:"TEXTURE7",33992:"TEXTURE8",33993:"TEXTURE9",33994:"TEXTURE10",33995:"TEXTURE11",33996:"TEXTURE12",33997:"TEXTURE13",33998:"TEXTURE14",33999:"TEXTURE15",34e3:"TEXTURE16",34001:"TEXTURE17",34002:"TEXTURE18",34003:"TEXTURE19",34004:"TEXTURE20",34005:"TEXTURE21",34006:"TEXTURE22",34007:"TEXTURE23",34008:"TEXTURE24",34009:"TEXTURE25",34010:"TEXTURE26",34011:"TEXTURE27",34012:"TEXTURE28",34013:"TEXTURE29",34014:"TEXTURE30",34015:"TEXTURE31",34016:"ACTIVE_TEXTURE",34024:"MAX_RENDERBUFFER_SIZE",34041:"DEPTH_STENCIL",34055:"INCR_WRAP",34056:"DECR_WRAP",34067:"TEXTURE_CUBE_MAP",34068:"TEXTURE_BINDING_CUBE_MAP",34069:"TEXTURE_CUBE_MAP_POSITIVE_X",34070:"TEXTURE_CUBE_MAP_NEGATIVE_X",34071:"TEXTURE_CUBE_MAP_POSITIVE_Y",34072:"TEXTURE_CUBE_MAP_NEGATIVE_Y",34073:"TEXTURE_CUBE_MAP_POSITIVE_Z",34074:"TEXTURE_CUBE_MAP_NEGATIVE_Z",34076:"MAX_CUBE_MAP_TEXTURE_SIZE",34338:"VERTEX_ATTRIB_ARRAY_ENABLED",34339:"VERTEX_ATTRIB_ARRAY_SIZE",34340:"VERTEX_ATTRIB_ARRAY_STRIDE",34341:"VERTEX_ATTRIB_ARRAY_TYPE",34342:"CURRENT_VERTEX_ATTRIB",34373:"VERTEX_ATTRIB_ARRAY_POINTER",34466:"NUM_COMPRESSED_TEXTURE_FORMATS",34467:"COMPRESSED_TEXTURE_FORMATS",34660:"BUFFER_SIZE",34661:"BUFFER_USAGE",34816:"STENCIL_BACK_FUNC",34817:"STENCIL_BACK_FAIL",34818:"STENCIL_BACK_PASS_DEPTH_FAIL",34819:"STENCIL_BACK_PASS_DEPTH_PASS",34877:"BLEND_EQUATION_ALPHA",34921:"MAX_VERTEX_ATTRIBS",34922:"VERTEX_ATTRIB_ARRAY_NORMALIZED",34930:"MAX_TEXTURE_IMAGE_UNITS",34962:"ARRAY_BUFFER",34963:"ELEMENT_ARRAY_BUFFER",34964:"ARRAY_BUFFER_BINDING",34965:"ELEMENT_ARRAY_BUFFER_BINDING",34975:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",35040:"STREAM_DRAW",35044:"STATIC_DRAW",35048:"DYNAMIC_DRAW",35632:"FRAGMENT_SHADER",35633:"VERTEX_SHADER",35660:"MAX_VERTEX_TEXTURE_IMAGE_UNITS",35661:"MAX_COMBINED_TEXTURE_IMAGE_UNITS",35663:"SHADER_TYPE",35664:"FLOAT_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| |
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store}},{}],193:[function(require,module,exports){var createStore=require("./create-store.js");module.exports=weakMap;function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){privates(key).value=value},has:function(key){return"value"in privates(key)},"delete":function(key){return delete privates(key).value}}}},{"./create-store.js":191}],194:[function(require,module,exports){module.exports=distance;function distance(a,b){var x=b[0]-a[0],y=b[1]-a[1];return Math.sqrt(x*x+y*y)}},{}],195:[function(require,module,exports){module.exports=add;function add(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];out[2]=a[2]+b[2];return out}},{}],196:[function(require,module,exports){module.exports=angle;var fromValues=require("./fromValues");var normalize=require("./normalize");var dot=require("./dot");function angle(a,b){var tempA=fromValues(a[0],a[1],a[2]);var tempB=fromValues(b[0],b[1],b[2]);normalize(tempA,tempA);normalize(tempB,tempB);var cosine=dot(tempA,tempB);if(cosine>1){return 0}else{return Math.acos(cosine)}}},{"./dot":203,"./fromValues":205,"./normalize":214}],197:[function(require,module,exports){module.exports=clone;function clone(a){var out=new Float32Array(3);out[0]=a[0];out[1]=a[1];out[2]=a[2];return out}},{}],198:[function(require,module,exports){module.exports=copy;function copy(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out}},{}],199:[function(require,module,exports){module.exports=create;function create(){var out=new Float32Array(3);out[0]=0;out[1]=0;out[2]=0;return out}},{}],200:[function(require,module,exports){module.exports=cross;function cross(out,a,b){var ax=a[0],ay=a[1],az=a[2],bx=b[0],by=b[1],bz=b[2];out[0]=ay*bz-az*by;out[1]=az*bx-ax*bz;out[2]=ax*by-ay*bx;return out}},{}],201:[function(require,module,exports){module.exports=distance;function distance(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2];return Math.sqrt(x*x+y*y+z*z)}},{}],202:[function(require,module,exports){module.exports=divide;function divide(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];out[2]=a[2]/b[2];return out}},{}],203:[function(require,module,exports){module.exports=dot;function dot(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]}},{}],204:[function(require,module,exports){module.exports=forEach;var vec=require("./create")();function forEach(a,stride,offset,count,fn,arg){var i,l;if(!stride){stride=3}if(!offset){offset=0}if(count){l=Math.min(count*stride+offset,a.length)}else{l=a.length}for(i=offset;i<l;i+=stride){vec[0]=a[i];vec[1]=a[i+1];vec[2]=a[i+2];fn(vec,vec,arg);a[i]=vec[0];a[i+1]=vec[1];a[i+2]=vec[2]}return a}},{"./create":199}],205:[function(require,module,exports){module.exports=fromValues;function fromValues(x,y,z){var out=new Float32Array(3);out[0]=x;out[1]=y;out[2]=z;return out}},{}],206:[function(require,module,exports){module.exports={create:require("./create"),clone:require("./clone"),angle:require("./angle"),fromValues:require("./fromValues"),copy:require("./copy"),set:require("./set"),add:require("./add"),subtract:require("./subtract"),multiply:require("./multiply"),divide:require("./divide"),min:require("./min"),max:require("./max"),scale:require("./scale"),scaleAndAdd:require("./scaleAndAdd"),distance:require("./distance"),squaredDistance:require("./squaredDistance"),length:require("./length"),squaredLength:require("./squaredLength"),negate:require("./negate"),inverse:require("./inverse"),normalize:require("./normalize"),dot:require("./dot"),cross:require("./cross"),lerp:require("./lerp"),random:require("./random"),transformMat4:require("./transformMat4"),transformMat3:require("./transformMat3"),transformQuat:require("./transformQuat"),rotateX:require("./rotateX"),rotateY:require("./rotateY"),rotateZ:require("./rotateZ"),forEach:require("./forEach")}},{"./add":195,"./angle":196,"./clone":197,"./copy":198,"./create":199,"./cross":200,"./distance":201,"./divide":202,"./dot":203,"./forEach":204,"./fromValues":205,"./inverse":207,"./length":208,"./lerp":209,"./max":210,"./min":211,"./multiply":212,"./negate":213,"./normalize":214,"./random":215,"./rotateX":216,"./rotateY":217,"./rotateZ":218,"./scale":219,"./scaleAndAdd":220,"./set":221,"./squaredDistance":222,"./squaredLength":223,"./subtract":224,"./transformMat3":225,"./transformMat4":226,"./transformQuat":227}],207:[function(require,module,exports){module.exports=inverse;function inverse(out,a){out[0]=1/a[0];out[1]=1/a[1];out[2]=1/a[2];return out}},{}],208:[function(require,module,exports){module.exports=length;function length(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)}},{}],209:[function(require,module,exports){module.exports=lerp;function lerp(out,a,b,t){var ax=a[0],ay=a[1],az=a[2];out[0]=ax+t*(b[0]-ax);out[1]=ay+t*(b[1]-ay);out[2]=az+t*(b[2]-az);return out}},{}],210:[function(require,module,exports){module.exports=max;function max(out,a,b){out[0]=Math.max(a[0],b[0]);out[1]=Math.max(a[1],b[1]);out[2]=Math.max(a[2],b[2]);return out}},{}],211:[function(require,module,exports){module.exports=min;function min(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);out[2]=Math.min(a[2],b[2]);return out}},{}],212:[function(require,module,exports){module.exports=multiply;function multiply(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];out[2]=a[2]*b[2];return out}},{}],213:[function(require,module,exports){module.exports=negate;function negate(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return out}},{}],214:[function(require,module,exports){module.exports=normalize;function normalize(out,a){var x=a[0],y=a[1],z=a[2];var len=x*x+y*y+z*z;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out}},{}],215:[function(require,module,exports){module.exports=random;function random(out,scale){scale=scale||1;var r=Math.random()*2*Math.PI;var z=Math.random()*2-1;var zScale=Math.sqrt(1-z*z)*scale;out[0]=Math.cos(r)*zScale;out[1]=Math.sin(r)*zScale;out[2]=z*scale;return out}},{}],216:[function(require,module,exports){module.exports=rotateX;function rotateX(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];r[0]=p[0];r[1]=p[1]*Math.cos(c)-p[2]*Math.sin(c);r[2]=p[1]*Math.sin(c)+p[2]*Math.cos(c);out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out}},{}],217:[function(require,module,exports){module.exports=rotateY;function rotateY(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];r[0]=p[2]*Math.sin(c)+p[0]*Math.cos(c);r[1]=p[1];r[2]=p[2]*Math.cos(c)-p[0]*Math.sin(c);out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out}},{}],218:[function(require,module,exports){module.exports=rotateZ;function rotateZ(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];r[0]=p[0]*Math.cos(c)-p[1]*Math.sin(c);r[1]=p[0]*Math.sin(c)+p[1]*Math.cos(c);r[2]=p[2];out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out}},{}],219:[function(require,module,exports){module.exports=scale;function scale(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return out}},{}],220:[function(require,module,exports){module.exports=scaleAndAdd;function scaleAndAdd(out,a,b,scale){out[0]=a[0]+b[0]*scale;out[1]=a[1]+b[1]*scale;out[2]=a[2]+b[2]*scale;return out}},{}],221:[function(require,module,exports){module.exports=set;function set(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return out}},{}],222:[function(require,module,exports){module.exports=squaredDistance;function squaredDistance(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2];return x*x+y*y+z*z}},{}],223:[function(require,module,exports){module.exports=squaredLength;function squaredLength(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z}},{}],224:[function(require,module,exports){module.exports=subtract;function subtract(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];out[2]=a[2]-b[2];return out}},{}],225:[function(require,module,exports){module.exports=transformMat3;function transformMat3(out,a,m){var x=a[0],y=a[1],z=a[2];out[0]=x*m[0]+y*m[3]+z*m[6];out[1]=x*m[1]+y*m[4]+z*m[7];out[2]=x*m[2]+y*m[5]+z*m[8];return out}},{}],226:[function(require,module,exports){module.exports=transformMat4;function transformMat4(out,a,m){var x=a[0],y=a[1],z=a[2],w=m[3]*x+m[7]*y+m[11]*z+m[15];w=w||1;out[0]=(m[0]*x+m[4]*y+m[8]*z+m[12])/w;out[1]=(m[1]*x+m[5]*y+m[9]*z+m[13])/w;out[2]=(m[2]*x+m[6]*y+m[10]*z+m[14])/w;return out}},{}],227:[function(require,module,exports){module.exports=transformQuat;function transformQuat(out,a,q){var x=a[0],y=a[1],z=a[2],qx=q[0],qy=q[1],qz=q[2],qw=q[3],ix=qw*x+qy*z-qz*y,iy=qw*y+qz*x-qx*z,iz=qw*z+qx*y-qy*x,iw=-qx*x-qy*y-qz*z;out[0]=ix*qw+iw*-qx+iy*-qz-iz*-qy;out[1]=iy*qw+iw*-qy+iz*-qx-ix*-qz;out[2]=iz*qw+iw*-qz+ix*-qy-iy*-qx;return out}},{}],228:[function(require,module,exports){"use strict";var hasOwnProperty=Object.prototype.hasOwnProperty;var propIsEnumerable=Object.prototype.propertyIsEnumerable;function toObject(val){if(val===null||val===undefined){throw new TypeError("Object.assign cannot be called with null or undefined")}return Object(val)}module.exports=Object.assign||function(target,source){var from;var to=toObject(target);var symbols;for(var s=1;s<arguments.length;s++){from=Object(arguments[s]);for(var key in from){if(hasOwnProperty.call(from,key)){to[key]=from[key]}}if(Object.getOwnPropertySymbols){symbols=Object.getOwnPropertySymbols(from);for(var i=0;i<symbols.length;i++){if(propIsEnumerable.call(from,symbols[i])){to[symbols[i]]=from[symbols[i]]}}}}return to}},{}],229:[function(require,module,exports){var defined=require("defined");var clamp=require("clamp");var inputEvents=require("./lib/input");var quatFromVec3=require("quat-from-unit-vec3");var quatInvert=require("gl-quat/invert");var glVec3={length:require("gl-vec3/length"),add:require("gl-vec3/add"),subtract:require("gl-vec3/subtract"),transformQuat:require("gl-vec3/transformQuat"),copy:require("gl-vec3/copy"),normalize:require("gl-vec3/normalize"),cross:require("gl-vec3/cross")};var Y_UP=[0,1,0];var EPSILON=1e-10;module.exports=createOrbitControls;function createOrbitControls(opt){opt=opt||{};var inputDelta=[0,0,0];var offset=[0,0,0];var upQuat=[0,0,0,1];var upQuatInverse=upQuat.slice();var controls={update:update,target:opt.target||[0,0,0],phi:opt.phi||0,theta:opt.theta||0,distance:defined(opt.distance,1),damping:defined(opt.damping,.25),rotateSpeed:defined(opt.rotateSpeed,.28),zoomSpeed:defined(opt.zoomSpeed,.0075),pinchSpeed:defined(opt.pinchSpeed,.0075),pinch:opt.pinching!==false,zoom:opt.zoom!==false,rotate:opt.rotate!==false,phiBounds:opt.phiBounds||[0,Math.PI],thetaBounds:opt.thetaBounds||[-Infinity,Infinity],distanceBounds:opt.distanceBounds||[1,Infinity]};inputEvents({parent:opt.parent||window,element:opt.element,rotate:opt.rotate!==false?inputRotate:null,zoom:opt.zoom!==false?inputZoom:null,pinch:opt.pinch!==false?inputPinch:null});return controls;function inputRotate(dx,dy){var PI2=Math.PI*2;inputDelta[0]-=PI2*dx*controls.rotateSpeed;inputDelta[1]-=PI2*dy*controls.rotateSpeed}function inputZoom(delta){inputDelta[2]+=delta*controls.zoomSpeed}function inputPinch(delta){inputDelta[2]-=delta*controls.pinchSpeed}function update(position,direction,up){var cameraUp=up||Y_UP;quatFromVec3(upQuat,cameraUp,Y_UP);quatInvert(upQuatInverse,upQuat);var distance=controls.distance;glVec3.subtract(offset,position,controls.target);glVec3.transformQuat(offset,offset,upQuat);var theta=Math.atan2(offset[0],offset[2]);var phi=Math.atan2(Math.sqrt(offset[0]*offset[0]+offset[2]*offset[2]),offset[1]);theta+=inputDelta[0];phi+=inputDelta[1];theta=clamp(theta,controls.thetaBounds[0],controls.thetaBounds[1]);phi=clamp(phi,controls.phiBounds[0],controls.phiBounds[1]);phi=clamp(phi,EPSILON,Math.PI-EPSILON);distance+=inputDelta[2];distance=clamp(distance,controls.distanceBounds[0],controls.distanceBounds[1]);var radius=Math.abs(distance)<=EPSILON?EPSILON:distance;offset[0]=radius*Math.sin(phi)*Math.sin(theta);offset[1]=radius*Math.cos(phi);offset[2]=radius*Math.sin(phi)*Math.cos(theta);controls.phi=phi;controls.theta=theta;controls.distance=distance;glVec3.transformQuat(offset,offset,upQuatInverse);glVec3.add(position,controls.target,offset);camLookAt(direction,cameraUp,position,controls.target);var damp=typeof controls.damping==="number"?controls.damping:1;for(var i=0;i<inputDelta.length;i++){inputDelta[i]*=1-damp}}}function camLookAt(direction,up,position,target){glVec3.copy(direction,target);glVec3.subtract(direction,direction,position);glVec3.normalize(direction,direction)}},{"./lib/input":230,clamp:231,defined:232,"gl-quat/invert":164,"gl-vec3/add":195,"gl-vec3/copy":198,"gl-vec3/cross":200,"gl-vec3/length":208,"gl-vec3/normalize":214,"gl-vec3/subtract":224,"gl-vec3/transformQuat":227,"quat-from-unit-vec3":237}],230:[function(require,module,exports){var mouseWheel=require("mouse-wheel");var eventOffset=require("mouse-event-offset");var createPinch=require("touch-pinch");module.exports=inputEvents;function inputEvents(opt){var element=opt.element||window;var parent=opt.parent||element;var mouseStart=[0,0];var dragging=false;var tmp=[0,0];var tmp2=[0,0];var pinch;var zoomFn=opt.zoom;var rotateFn=opt.rotate;var pinchFn=opt.pinch;if(zoomFn){mouseWheel(element,function(dx,dy){zoomFn(dy)},true)}if(rotateFn){parent.addEventListener("mousedown",onInputDown);parent.addEventListener("mousemove",onInputMove);parent.addEventListener("mouseup",onInputUp)}if(rotateFn||pinchFn){pinch=createPinch(element);element.addEventListener("touchstart",preventDefault);if(rotateFn)touchRotate();if(pinchFn)touchPinch()}function preventDefault(ev){ev.preventDefault()}function touchRotate(){element.addEventListener("touchmove",function(ev){if(!dragging||isPinching())return;for(var i=0;i<ev.changedTouches.length;i++){var changed=ev.changedTouches[i];var idx=pinch.indexOfTouch(changed);var allow=pinchFn?idx!==-1:idx===0;if(allow){onInputMove(changed);break}}});pinch.on("place",function(newFinger,lastFinger){dragging=!isPinching();if(dragging){var firstFinger=lastFinger||newFinger;onInputDown(firstFinger)}});pinch.on("lift",function(lifted,remaining){dragging=!isPinching();if(dragging&&remaining){eventOffset(remaining,element,mouseStart)}})}function isPinching(){return pinch.pinching&&pinchFn}function touchPinch(){pinch.on("change",function(current,prev){pinchFn(current-prev)})}function onInputDown(ev){eventOffset(ev,element,mouseStart);if(insideBounds(mouseStart)){dragging=true}}function onInputUp(){dragging=false}function onInputMove(ev){var end=eventOffset(ev,element,tmp);if(pinch&&isPinching()){mouseStart=end;return}if(!dragging)return;var rect=getClientSize(tmp2);var dx=(end[0]-mouseStart[0])/rect[0];var dy=(end[1]-mouseStart[1])/rect[1];rotateFn(dx,dy);mouseStart[0]=end[0];mouseStart[1]=end[1]}function insideBounds(pos){if(element===window||element===document||element===document.body){return true}else{var rect=element.getBoundingClientRect();return pos[0]>=0&&pos[1]>=0&&pos[0]<rect.width&&pos[1]<rect.height}}function getClientSize(out){var source=element;if(source===window||source===document||source===document.body){source=document.documentElement}out[0]=source.clientWidth;out[1]=source.clientHeight;return out}}},{"mouse-event-offset":233,"mouse-wheel":236,"touch-pinch":238}],231:[function(require,module,exports){module.exports=clamp;function clamp(value,min,max){return min<max?value<min?min:value>max?max:value:value<max?max:value>min?min:value}},{}],232:[function(require,module,exports){module.exports=function(){for(var i=0;i<arguments.length;i++){if(arguments[i]!==undefined)return arguments[i]}}},{}],233:[function(require,module,exports){var rootPosition={left:0,top:0};module.exports=mouseEventOffset;function mouseEventOffset(ev,target,out){target=target||ev.currentTarget||ev.srcElement;if(!Array.isArray(out)){out=[0,0]}var cx=ev.clientX||0;var cy=ev.clientY||0;var rect=getBoundingClientOffset(target);out[0]=cx-rect.left;out[1]=cy-rect.top;return out}function getBoundingClientOffset(element){if(element===window||element===document||element===document.body){return rootPosition}else{return element.getBoundingClientRect()}}},{}],234:[function(require,module,exports){module.exports=function parseUnit(str,out){if(!out)out=[0,""];str=String(str);var num=parseFloat(str,10);out[0]=num;out[1]=str.match(/[\d.\-\+]*\s*(.*)/)[1]||"";return out}},{}],235:[function(require,module,exports){"use strict";var parseUnit=require("parse-unit");module.exports=toPX;var PIXELS_PER_INCH=96;function getPropertyInPX(element,prop){var parts=parseUnit(getComputedStyle(element).getPropertyValue(prop));return parts[0]*toPX(parts[1],element)}function getSizeBrutal(unit,element){var testDIV=document.createElement("div");testDIV.style["font-size"]="128"+unit;element.appendChild(testDIV);var size=getPropertyInPX(testDIV,"font-size")/128;element.removeChild(testDIV);return size}function toPX(str,element){element=element||document.body;str=(str||"px").trim().toLowerCase();if(element===window||element===document){element=document.body}switch(str){case"%":return element.clientHeight/100;case"ch":case"ex":return getSizeBrutal(str,element);case"em":return getPropertyInPX(element,"font-size");case"rem":return getPropertyInPX(document.body,"font-size");case"vw":return window.innerWidth/100;case"vh":return window.innerHeight/100;case"vmin":return Math.min(window.innerWidth,window.innerHeight)/100;case"vmax":return Math.max(window.innerWidth,window.innerHeight)/100;case"in":return PIXELS_PER_INCH;case"cm":return PIXELS_PER_INCH/2.54;case"mm":return PIXELS_PER_INCH/25.4;case"pt":return PIXELS_PER_INCH/72;case"pc":return PIXELS_PER_INCH/6}return 1}},{"parse-unit":234}],236:[function(require,module,exports){"use strict";var toPX=require("to-px");module.exports=mouseWheelListen;function mouseWheelListen(element,callback,noScroll){if(typeof element==="function"){noScroll=!!callback;callback=element;element=window}var lineHeight=toPX("ex",element);element.addEventListener("wheel",function(ev){if(noScroll){ev.preventDefault()}var dx=ev.deltaX||0;var dy=ev.deltaY||0;var dz=ev.deltaZ||0;var mode=ev.deltaMode;var scale=1;switch(mode){case 1:scale=lineHeight;break;case 2:scale=window.innerHeight;break}dx*=scale;dy*=scale;dz*=scale;if(dx||dy||dz){return callback(dx,dy,dz)}})}},{"to-px":235}],237:[function(require,module,exports){var dot=require("gl-vec3/dot");var set=require("gl-vec3/set");var normalize=require("gl-quat/normalize");var cross=require("gl-vec3/cross");var tmp=[0,0,0];var EPS=1e-6;module.exports=quatFromUnitVec3;function quatFromUnitVec3(out,a,b){var r=dot(a,b)+1;if(r<EPS){r=0;if(Math.abs(a[0])>Math.abs(a[2])){set(tmp,-a[1],a[0],0)}else{set(tmp,0,-a[2],a[1])}}else{cross(tmp,a,b)}out[0]=tmp[0];out[1]=tmp[1];out[2]=tmp[2];out[3]=r;normalize(out,out);return out}},{"gl-quat/normalize":166,"gl-vec3/cross":200,"gl-vec3/dot":203,"gl-vec3/set":221}],238:[function(require,module,exports){var getDistance=require("gl-vec2/distance");var EventEmitter=require("events").EventEmitter;var dprop=require("dprop");var eventOffset=require("mouse-event-offset");module.exports=touchPinch;function touchPinch(target){target=target||window;var emitter=new EventEmitter;var fingers=[null,null];var activeCount=0;var lastDistance=0;var ended=false;var enabled=false;Object.defineProperties(emitter,{pinching:dprop(function(){return activeCount===2}),fingers:dprop(function(){return fingers})});enable();emitter.enable=enable;emitter.disable=disable;emitter.indexOfTouch=indexOfTouch;return emitter;function indexOfTouch(touch){var id=touch.identifier;for(var i=0;i<fingers.length;i++){if(fingers[i]&&fingers[i].touch&&fingers[i].touch.identifier===id){return i}}return-1}function enable(){if(enabled)return;enabled=true;target.addEventListener("touchstart",onTouchStart,false);target.addEventListener("touchmove",onTouchMove,false);target.addEventListener("touchend",onTouchRemoved,false);target.addEventListener("touchcancel",onTouchRemoved,false)}function disable(){if(!enabled)return;enabled=false;target.removeEventListener("touchstart",onTouchStart,false);target.removeEventListener("touchmove",onTouchMove,false);target.removeEventListener("touchend",onTouchRemoved,false);target.removeEventListener("touchcancel",onTouchRemoved,false)}function onTouchStart(ev){for(var i=0;i<ev.changedTouches.length;i++){var newTouch=ev.changedTouches[i];var id=newTouch.identifier;var idx=indexOfTouch(id);if(idx===-1&&activeCount<2){var first=activeCount===0;var newIndex=fingers[0]?1:0;var oldIndex=fingers[0]?0:1;var newFinger=new Finger;fingers[newIndex]=newFinger;activeCount++;newFinger.touch=newTouch;eventOffset(newTouch,target,newFinger.position);var oldTouch=fingers[oldIndex]?fingers[oldIndex].touch:undefined;emitter.emit("place",newTouch,oldTouch);if(!first){var initialDistance=computeDistance();ended=false;emitter.emit("start",initialDistance);lastDistance=initialDistance}}}}function onTouchMove(ev){var changed=false;for(var i=0;i<ev.changedTouches.length;i++){var movedTouch=ev.changedTouches[i];var idx=indexOfTouch(movedTouch);if(idx!==-1){changed=true;fingers[idx].touch=movedTouch;eventOffset(movedTouch,target,fingers[idx].position)}}if(activeCount===2&&changed){var currentDistance=computeDistance();emitter.emit("change",currentDistance,lastDistance);lastDistance=currentDistance}}function onTouchRemoved(ev){for(var i=0;i<ev.changedTouches.length;i++){var removed=ev.changedTouches[i];var idx=indexOfTouch(removed);if(idx!==-1){fingers[idx]=null;activeCount--;var otherIdx=idx===0?1:0;var otherTouch=fingers[otherIdx]?fingers[otherIdx].touch:undefined;emitter.emit("lift",removed,otherTouch)}}if(!ended&&activeCount!==2){ended=true;emitter.emit("end")}}function computeDistance(){if(activeCount<2)return 0;return getDistance(fingers[0].position,fingers[1].position)}}function Finger(){this.position=[0,0];this.touch=null}},{dprop:239,events:265,"gl-vec2/distance":194,"mouse-event-offset":233}],239:[function(require,module,exports){module.exports=defaultProperty;function defaultProperty(get,set){return{configurable:true,enumerable:true,get:get,set:set}}},{}],240:[function(require,module,exports){module.exports=require("./lib/camera-perspective")},{"./lib/camera-perspective":243}],241:[function(require,module,exports){var assign=require("object-assign");var Ray=require("ray-3d");var cameraProject=require("camera-project");var cameraUnproject=require("camera-unproject");var cameraLookAt=require("./camera-look-at");var cameraPickRay=require("camera-picking-ray");var add=require("gl-vec3/add");var multiply4x4=require("gl-mat4/multiply");var invert4x4=require("gl-mat4/invert");var identity4x4=require("gl-mat4/identity");var setVec3=require("gl-vec3/set");module.exports=function cameraBase(opt){opt=opt||{};var camera={projection:identity4x4([]),view:identity4x4([]),position:opt.position||[0,0,0],direction:opt.direction||[0,0,-1],up:opt.up||[0,1,0],viewport:opt.viewport||[-1,-1,1,1],projView:identity4x4([]),invProjView:identity4x4([])};function update(){multiply4x4(camera.projView,camera.projection,camera.view);var valid=invert4x4(camera.invProjView,camera.projView);if(!valid){throw new Error("camera projection * view is non-invertible")}}function lookAt(target){cameraLookAt(camera.direction,camera.up,camera.position,target);return camera}function identity(){setVec3(camera.position,0,0,0);setVec3(camera.direction,0,0,-1);setVec3(camera.up,0,1,0);identity4x4(camera.view);identity4x4(camera.projection);identity4x4(camera.projView);identity4x4(camera.invProjView);return camera}function translate(vec){add(camera.position,camera.position,vec);return camera}function createPickingRay(mouse){var ray=new Ray;cameraPickRay(ray.origin,ray.direction,mouse,camera.viewport,camera.invProjView);return ray}function project(point){return cameraProject([],point,camera.viewport,camera.projView)}function unproject(point){return cameraUnproject([],point,camera.viewport,camera.invProjView)}return assign(camera,{translate:translate,identity:identity,lookAt:lookAt,createPickingRay:createPickingRay,update:update,project:project,unproject:unproject})}},{"./camera-look-at":242,"camera-picking-ray":244,"camera-project":245,"camera-unproject":248,"gl-mat4/identity":147,"gl-mat4/invert":149,"gl-mat4/multiply":151,"gl-vec3/add":195,"gl-vec3/set":221,"object-assign":251,"ray-3d":252}],242:[function(require,module,exports){var cross=require("gl-vec3/cross");var sub=require("gl-vec3/subtract");var normalize=require("gl-vec3/normalize");var copy=require("gl-vec3/copy");var dot=require("gl-vec3/dot");var scale=require("gl-vec3/scale");var tmp=[0,0,0];var epsilon=1e-9;module.exports=function(direction,up,position,target){sub(tmp,target,position);normalize(tmp,tmp);var isZero=tmp[0]===0&&tmp[1]===0&&tmp[2]===0;if(!isZero){var d=dot(tmp,up);if(Math.abs(d-1)<epsilon){scale(up,direction,-1)}else if(Math.abs(d+1)<epsilon){copy(up,direction)}copy(direction,tmp);cross(tmp,direction,up);normalize(tmp,tmp);cross(up,tmp,direction);normalize(up,up)}}},{"gl-vec3/copy":198,"gl-vec3/cross":200,"gl-vec3/dot":203,"gl-vec3/normalize":214,"gl-vec3/scale":219,"gl-vec3/subtract":224}],243:[function(require,module,exports){var create=require("./camera-base");var assign=require("object-assign");var defined=require("defined");var perspective=require("gl-mat4/perspective");var lookAt4x4=require("gl-mat4/lookAt");var add=require("gl-vec3/add");module.exports=function cameraPerspective(opt){opt=opt||{};var camera=create(opt);camera.fov=defined(opt.fov,Math.PI/4);camera.near=defined(opt.near,1);camera.far=defined(opt.far,100);var center=[0,0,0];var updateCombined=camera.update; | |
| function update(){var aspect=camera.viewport[2]/camera.viewport[3];perspective(camera.projection,camera.fov,aspect,Math.abs(camera.near),Math.abs(camera.far));add(center,camera.position,camera.direction);lookAt4x4(camera.view,camera.position,center,camera.up);updateCombined();return camera}update();return assign(camera,{update:update})}},{"./camera-base":241,defined:250,"gl-mat4/lookAt":150,"gl-mat4/perspective":153,"gl-vec3/add":195,"object-assign":251}],244:[function(require,module,exports){var unproject=require("camera-unproject");var set=require("gl-vec3/set");var sub=require("gl-vec3/subtract");var normalize=require("gl-vec3/normalize");module.exports=createPickRay;function createPickRay(origin,direction,point,viewport,invProjView){set(origin,point[0],point[1],0);set(direction,point[0],point[1],1);unproject(origin,origin,viewport,invProjView);unproject(direction,direction,viewport,invProjView);sub(direction,direction,origin);normalize(direction,direction)}},{"camera-unproject":248,"gl-vec3/normalize":214,"gl-vec3/set":221,"gl-vec3/subtract":224}],245:[function(require,module,exports){var transformMat4=require("gl-vec4/transformMat4");var set=require("gl-vec4/set");var NEAR_RANGE=0;var FAR_RANGE=1;var tmp4=[0,0,0,0];module.exports=cameraProject;function cameraProject(out,vec,viewport,combinedProjView){var vX=viewport[0],vY=viewport[1],vWidth=viewport[2],vHeight=viewport[3],n=NEAR_RANGE,f=FAR_RANGE;set(tmp4,vec[0],vec[1],vec[2],1);transformMat4(tmp4,tmp4,combinedProjView);var w=tmp4[3];if(w!==0){tmp4[0]=tmp4[0]/w;tmp4[1]=tmp4[1]/w;tmp4[2]=tmp4[2]/w}out[0]=vX+vWidth/2*tmp4[0]+(0+vWidth/2);out[1]=vY+vHeight/2*tmp4[1]+(0+vHeight/2);out[2]=(f-n)/2*tmp4[2]+(f+n)/2;out[3]=w===0?0:1/w;return out}},{"gl-vec4/set":246,"gl-vec4/transformMat4":247}],246:[function(require,module,exports){module.exports=set;function set(out,x,y,z,w){out[0]=x;out[1]=y;out[2]=z;out[3]=w;return out}},{}],247:[function(require,module,exports){module.exports=transformMat4;function transformMat4(out,a,m){var x=a[0],y=a[1],z=a[2],w=a[3];out[0]=m[0]*x+m[4]*y+m[8]*z+m[12]*w;out[1]=m[1]*x+m[5]*y+m[9]*z+m[13]*w;out[2]=m[2]*x+m[6]*y+m[10]*z+m[14]*w;out[3]=m[3]*x+m[7]*y+m[11]*z+m[15]*w;return out}},{}],248:[function(require,module,exports){var transform=require("./lib/projectMat4");module.exports=unproject;function unproject(out,vec,viewport,invProjectionView){var viewX=viewport[0],viewY=viewport[1],viewWidth=viewport[2],viewHeight=viewport[3];var x=vec[0],y=vec[1],z=vec[2];x=x-viewX;y=viewHeight-y-1;y=y-viewY;out[0]=2*x/viewWidth-1;out[1]=2*y/viewHeight-1;out[2]=2*z-1;return transform(out,out,invProjectionView)}},{"./lib/projectMat4":249}],249:[function(require,module,exports){module.exports=project;function project(out,vec,m){var x=vec[0],y=vec[1],z=vec[2],a00=m[0],a01=m[1],a02=m[2],a03=m[3],a10=m[4],a11=m[5],a12=m[6],a13=m[7],a20=m[8],a21=m[9],a22=m[10],a23=m[11],a30=m[12],a31=m[13],a32=m[14],a33=m[15];var lw=1/(x*a03+y*a13+z*a23+a33);out[0]=(x*a00+y*a10+z*a20+a30)*lw;out[1]=(x*a01+y*a11+z*a21+a31)*lw;out[2]=(x*a02+y*a12+z*a22+a32)*lw;return out}},{}],250:[function(require,module,exports){module.exports=require(232)},{}],251:[function(require,module,exports){"use strict";function ToObject(val){if(val==null){throw new TypeError("Object.assign cannot be called with null or undefined")}return Object(val)}module.exports=Object.assign||function(target,source){var from;var keys;var to=ToObject(target);for(var s=1;s<arguments.length;s++){from=arguments[s];keys=Object.keys(Object(from));for(var i=0;i<keys.length;i++){to[keys[i]]=from[keys[i]]}}return to}},{}],252:[function(require,module,exports){var intersectRayTriangle=require("ray-triangle-intersection");var intersectRayPlane=require("ray-plane-intersection");var intersectRaySphere=require("ray-sphere-intersection");var intersectRayBox=require("ray-aabb-intersection");var copy3=require("gl-vec3/copy");var tmpTriangle=[[0,0,0],[0,0,0],[0,0,0]];var tmp3=[0,0,0];module.exports=Ray;function Ray(origin,direction){this.origin=origin||[0,0,0];this.direction=direction||[0,0,-1]}Ray.prototype.set=function(origin,direction){this.origin=origin;this.direction=direction};Ray.prototype.copy=function(other){copy3(this.origin,other.origin);copy3(this.direction,other.direction)};Ray.prototype.clone=function(){var other=new Ray;other.copy(this);return other};Ray.prototype.intersectsSphere=function(center,radius){return intersectRaySphere(tmp3,this.origin,this.direction,center,radius)};Ray.prototype.intersectsPlane=function(normal,distance){return intersectRayPlane(tmp3,this.origin,this.direction,normal,distance)};Ray.prototype.intersectsTriangle=function(triangle){return intersectRayTriangle(tmp3,this.origin,this.direction,triangle)};Ray.prototype.intersectsBox=function(aabb){return intersectRayBox(tmp3,this.origin,this.direction,aabb)};Ray.prototype.intersectsTriangleCell=function(cell,positions){var a=cell[0],b=cell[1],c=cell[2];tmpTriangle[0]=positions[a];tmpTriangle[1]=positions[b];tmpTriangle[2]=positions[c];return this.intersectsTriangle(tmpTriangle)}},{"gl-vec3/copy":198,"ray-aabb-intersection":253,"ray-plane-intersection":254,"ray-sphere-intersection":255,"ray-triangle-intersection":256}],253:[function(require,module,exports){module.exports=intersection;module.exports.distance=distance;function intersection(out,ro,rd,aabb){var d=distance(ro,rd,aabb);if(d===Infinity){out=null}else{out=out||[];for(var i=0;i<ro.length;i++){out[i]=ro[i]+rd[i]*d}}return out}function distance(ro,rd,aabb){var dims=ro.length;var lo=-Infinity;var hi=+Infinity;for(var i=0;i<dims;i++){var dimLo=(aabb[0][i]-ro[i])/rd[i];var dimHi=(aabb[1][i]-ro[i])/rd[i];if(dimLo>dimHi){var tmp=dimLo;dimLo=dimHi;dimHi=tmp}if(dimHi<lo||dimLo>hi){return Infinity}if(dimLo>lo)lo=dimLo;if(dimHi<hi)hi=dimHi}return lo>hi?Infinity:lo}},{}],254:[function(require,module,exports){var dot=require("gl-vec3/dot");var add=require("gl-vec3/add");var scale=require("gl-vec3/scale");var copy=require("gl-vec3/copy");module.exports=intersectRayPlane;var v0=[0,0,0];function intersectRayPlane(out,origin,direction,normal,dist){var denom=dot(direction,normal);if(denom!==0){var t=-(dot(origin,normal)+dist)/denom;if(t<0){return null}scale(v0,direction,t);return add(out,origin,v0)}else if(dot(normal,origin)+dist===0){return copy(out,origin)}else{return null}}},{"gl-vec3/add":195,"gl-vec3/copy":198,"gl-vec3/dot":203,"gl-vec3/scale":219}],255:[function(require,module,exports){var squaredDist=require("gl-vec3/squaredDistance");var dot=require("gl-vec3/dot");var sub=require("gl-vec3/subtract");var scaleAndAdd=require("gl-vec3/scaleAndAdd");var scale=require("gl-vec3/scale");var add=require("gl-vec3/add");var tmp=[0,0,0];module.exports=intersectRaySphere;function intersectRaySphere(out,origin,direction,center,radius){sub(tmp,center,origin);var len=dot(direction,tmp);if(len<0){return null}scaleAndAdd(tmp,origin,direction,len);var dSq=squaredDist(center,tmp);var rSq=radius*radius;if(dSq>rSq){return null}scale(out,direction,len-Math.sqrt(rSq-dSq));return add(out,out,origin)}},{"gl-vec3/add":195,"gl-vec3/dot":203,"gl-vec3/scale":219,"gl-vec3/scaleAndAdd":220,"gl-vec3/squaredDistance":222,"gl-vec3/subtract":224}],256:[function(require,module,exports){var cross=require("gl-vec3/cross");var dot=require("gl-vec3/dot");var sub=require("gl-vec3/subtract");var EPSILON=1e-6;var edge1=[0,0,0];var edge2=[0,0,0];var tvec=[0,0,0];var pvec=[0,0,0];var qvec=[0,0,0];module.exports=intersectTriangle;function intersectTriangle(out,pt,dir,tri){sub(edge1,tri[1],tri[0]);sub(edge2,tri[2],tri[0]);cross(pvec,dir,edge2);var det=dot(edge1,pvec);if(det<EPSILON)return null;sub(tvec,pt,tri[0]);var u=dot(tvec,pvec);if(u<0||u>det)return null;cross(qvec,tvec,edge1);var v=dot(dir,qvec);if(v<0||u+v>det)return null;var t=dot(edge2,qvec)/det;out[0]=pt[0]+t*dir[0];out[1]=pt[1]+t*dir[1];out[2]=pt[2]+t*dir[2];return out}},{"gl-vec3/cross":200,"gl-vec3/dot":203,"gl-vec3/subtract":224}],257:[function(require,module,exports){var MAX_DT=60;var MIN_DT=1e3/60;function _delta(maxDt,minDt){var newTime,dt;newTime=Date.now();dt=newTime-this.now;dt=Math.min(dt,MAX_DT);dt=Math.max(dt,MIN_DT);this.elapsed+=dt;this.now=newTime;return dt}function _start(){this.now=Date.now()}function _reset(){this.now=0;this.elapsed=0}function _getValue(key){return this[key]}module.exports=function clock(){var state={now:0,elapsed:0};return{start:_start.bind(state),reset:_reset.bind(state),now:_getValue.bind(state,"now"),elapsed:_getValue.bind(state,"elapsed"),delta:_delta.bind(state)}}},{}],258:[function(require,module,exports){var Raf=require("./raf")();var EventEmitter=require("events").EventEmitter;var CreateClock=require("./clock");function _startFn(loop,clock,current){return function start(){if(!current.started){if(!current.clockStarted){clock.start()}loop();current.started=true}}}function _stopFn(current){return function stop(){Raf.cancel(current.rafHandle);current.started=false}}function _loopFn(emitter,clock,customizeEvent,current){var event={dt:0,unitDt:0,now:0,elapsed:0};return function runLoop(){current.rafHandle=Raf.invoke(runLoop);event.dt=clock.delta(),event.unitDt=event.dt/16.66666667,event.now=clock.now(),event.elapsed=clock.elapsed();customizeEvent(event);emitter.emit("update",event);emitter.emit("updatedone",event);emitter.emit("draw",event);emitter.emit("drawdone",event)}}var passThrough=function(a){return a};module.exports=function configurePoemLoop(props){var emitter,customizeEvent;if(typeof props==="object"){emitter=props.emitter;customizeEvent=props.customizeEvent}emitter=emitter?emitter:new EventEmitter;customizeEvent=customizeEvent?customizeEvent:passThrough;var clock=CreateClock();var current={clockStarted:false,started:false,rafHandle:null};var loop=_loopFn(emitter,clock,customizeEvent,current);return{start:_startFn(loop,clock,current),stop:_stopFn(current),reset:clock.reset,emitter:emitter}}},{"./clock":257,"./raf":259,events:265}],259:[function(require,module,exports){function _getNativeRAF(){var raf=window.requestAnimationFrame;var cancel=window.cancelAnimationFrame;var vendors=["ms","moz","webkit","o"];for(var x=0;!raf&&x<vendors.length;++x){raf=window[vendors[x]+"RequestAnimationFrame"];cancel=window[vendors[x]+"CancelAnimationFrame"]||window[vendors[x]+"CancelRequestAnimationFrame"]}return{invoke:raf.bind(window),cancel:cancel.bind(window)}}function _invokeFn(){var lastTime=0;return function invoke(callback,element){var currTime=(new Date).getTime();var timeToCall=Math.max(0,16-(currTime-lastTime));var id=window.setTimeout(function(){callback(currTime+timeToCall)},timeToCall);lastTime=currTime+timeToCall;return id}}function _cancel(id){clearTimeout(id)}module.exports=function createRAF(){var raf=_getNativeRAF();raf.invoke=raf.invoke?raf.invoke:_invokeFn();raf.cancel=raf.cancel?raf.cancel:_cancel();return{invoke:function(callback){return raf.invoke(callback)},cancel:function cancel(id){raf.cancel(id)}}}},{}],260:[function(require,module,exports){var getContext=require("get-canvas-context");module.exports=function getWebGLContext(opt){return getContext("webgl",opt)}},{"get-canvas-context":261}],261:[function(require,module,exports){module.exports=getCanvasContext;function getCanvasContext(type,opts){if(typeof type!=="string"){throw new TypeError("must specify type string")}if(typeof document==="undefined"){return null}opts=opts||{};var canvas=opts.canvas||document.createElement("canvas");if(typeof opts.width==="number"){canvas.width=opts.width}if(typeof opts.height==="number"){canvas.height=opts.height}var attribs=opts;var gl;try{var names=[type];if(type.indexOf("webgl")===0){names.push("experimental-"+type)}for(var i=0;i<names.length;i++){gl=canvas.getContext(names[i],attribs);if(gl)return gl}}catch(e){gl=null}return gl||null}},{}],262:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");exports.Buffer=Buffer;exports.SlowBuffer=Buffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){if(encoding==="base64")subject=base64clean(subject);length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new Error("First argument needs to be a number, array or string.");var buf;if(TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}return buf}Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.byteLength=function(str,encoding){var ret;str=str.toString();switch(encoding||"utf8"){case"hex":ret=str.length/2;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"ascii":case"binary":case"raw":ret=str.length;break;case"base64":ret=base64ToBytes(str).length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;default:throw new Error("Unknown encoding")}return ret};Buffer.concat=function(list,totalLength){assert(isArray(list),"Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.compare=function(a,b){assert(Buffer.isBuffer(a)&&Buffer.isBuffer(b),"Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y){return-1}if(y<x){return 1}return 0};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;assert(strLen%2===0,"Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);assert(!isNaN(byte),"Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string),buf,offset,length);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toString=function(encoding,start,end){var self=this;encoding=String(encoding||"utf8").toLowerCase();start=Number(start)||0;end=end===undefined?self.length:Number(end);if(end===start)return"";var ret;switch(encoding){case"hex":ret=hexSlice(self,start,end);break;case"utf8":case"utf-8":ret=utf8Slice(self,start,end);break;case"ascii":ret=asciiSlice(self,start,end);break;case"binary":ret=binarySlice(self,start,end);break;case"base64":ret=base64Slice(self,start,end);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leSlice(self,start,end);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};Buffer.prototype.equals=function(b){assert(Buffer.isBuffer(b),"Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.compare=function(b){assert(Buffer.isBuffer(b),"Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(!target_start)target_start=0;if(end===start)return;if(target.length===0||source.length===0)return;assert(end>=start,"sourceEnd < sourceStart");assert(target_start>=0&&target_start<target.length,"targetStart out of bounds");assert(start>=0&&start<source.length,"sourceStart out of bounds");assert(end>=0&&end<=source.length,"sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<100||!TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function binarySlice(buf,start,end){return asciiSlice(buf,start,end)}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;if(TYPED_ARRAY_SUPPORT){return Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;var newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}return newBuf}};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;return this[offset]};function readUInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){val=buf[offset];if(offset+1<len)val|=buf[offset+1]<<8}else{val=buf[offset]<<8;if(offset+1<len)val|=buf[offset+1]}return val}Buffer.prototype.readUInt16LE=function(offset,noAssert){return readUInt16(this,offset,true,noAssert)};Buffer.prototype.readUInt16BE=function(offset,noAssert){return readUInt16(this,offset,false,noAssert)};function readUInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){if(offset+2<len)val=buf[offset+2]<<16;if(offset+1<len)val|=buf[offset+1]<<8;val|=buf[offset];if(offset+3<len)val=val+(buf[offset+3]<<24>>>0)}else{if(offset+1<len)val=buf[offset+1]<<16;if(offset+2<len)val|=buf[offset+2]<<8;if(offset+3<len)val|=buf[offset+3];val=val+(buf[offset]<<24>>>0)}return val}Buffer.prototype.readUInt32LE=function(offset,noAssert){return readUInt32(this,offset,true,noAssert)};Buffer.prototype.readUInt32BE=function(offset,noAssert){return readUInt32(this,offset,false,noAssert)};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;var neg=this[offset]&128;if(neg)return(255-this[offset]+1)*-1;else return this[offset]};function readInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=readUInt16(buf,offset,littleEndian,true);var neg=val&32768;if(neg)return(65535-val+1)*-1;else return val}Buffer.prototype.readInt16LE=function(offset,noAssert){return readInt16(this,offset,true,noAssert)};Buffer.prototype.readInt16BE=function(offset,noAssert){return readInt16(this,offset,false,noAssert)};function readInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=readUInt32(buf,offset,littleEndian,true);var neg=val&2147483648;if(neg)return(4294967295-val+1)*-1;else return val}Buffer.prototype.readInt32LE=function(offset,noAssert){return readInt32(this,offset,true,noAssert)};Buffer.prototype.readInt32BE=function(offset,noAssert){return readInt32(this,offset,false,noAssert)};function readFloat(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+3<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,23,4)}Buffer.prototype.readFloatLE=function(offset,noAssert){return readFloat(this,offset,true,noAssert)};Buffer.prototype.readFloatBE=function(offset,noAssert){return readFloat(this,offset,false,noAssert)};function readDouble(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+7<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,52,8)}Buffer.prototype.readDoubleLE=function(offset,noAssert){return readDouble(this,offset,true,noAssert)};Buffer.prototype.readDoubleBE=function(offset,noAssert){return readDouble(this,offset,false,noAssert)};Buffer.prototype.writeUInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"trying to write beyond buffer length");verifuint(value,255)}if(offset>=this.length)return;this[offset]=value;return offset+1};function writeUInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"trying to write beyond buffer length");verifuint(value,65535)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}return offset+2}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return writeUInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return writeUInt16(this,value,offset,false,noAssert)};function writeUInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"trying to write beyond buffer length");verifuint(value,4294967295)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}return offset+4}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return writeUInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return writeUInt32(this,value,offset,false,noAssert)};Buffer.prototype.writeInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to write beyond buffer length");verifsint(value,127,-128)}if(offset>=this.length)return;if(value>=0)this.writeUInt8(value,offset,noAssert);else this.writeUInt8(255+value+1,offset,noAssert);return offset+1};function writeInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to write beyond buffer length");verifsint(value,32767,-32768)}var len=buf.length;if(offset>=len)return;if(value>=0)writeUInt16(buf,value,offset,littleEndian,noAssert);else writeUInt16(buf,65535+value+1,offset,littleEndian,noAssert);return offset+2}Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return writeInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return writeInt16(this,value,offset,false,noAssert)};function writeInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifsint(value,2147483647,-2147483648)}var len=buf.length;if(offset>=len)return;if(value>=0)writeUInt32(buf,value,offset,littleEndian,noAssert);else writeUInt32(buf,4294967295+value+1,offset,littleEndian,noAssert);return offset+4}Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return writeInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return writeInt32(this,value,offset,false,noAssert)};function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,3.4028234663852886e38,-3.4028234663852886e38)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+7<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,1.7976931348623157e308,-1.7976931348623157e308)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;assert(end>=start,"end < start");if(end===start)return;if(this.length===0)return;assert(start>=0&&start<this.length,"start out of bounds");assert(end>=0&&end<=this.length,"end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.inspect=function(){var out=[];var len=this.length;for(var i=0;i<len;i++){out[i]=toHex(this[i]);if(i===exports.INSPECT_MAX_BYTES){out[i+1]="...";break}}return"<Buffer "+out.join(" ")+">"};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new Error("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-z]/g;function base64clean(str){ | |
| str=stringtrim(str).replace(INVALID_BASE64_RE,"");while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function isArray(subject){return(Array.isArray||function(subject){return Object.prototype.toString.call(subject)==="[object Array]"})(subject)}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){var b=str.charCodeAt(i);if(b<=127){byteArray.push(b)}else{var start=i;if(b>=55296&&b<=57343)i++;var h=encodeURIComponent(str.slice(start,i+1)).substr(1).split("%");for(var j=0;j<h.length;j++){byteArray.push(parseInt(h[j],16))}}}return byteArray}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(str)}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}function verifuint(value,max){assert(typeof value==="number","cannot write a non-number as a number");assert(value>=0,"specified a negative value for writing an unsigned value");assert(value<=max,"value is larger than maximum value for type");assert(Math.floor(value)===value,"value has a fractional component")}function verifsint(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value");assert(Math.floor(value)===value,"value has a fractional component")}function verifIEEE754(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value")}function assert(test,message){if(!test)throw new Error(message||"Failed assertion")}},{"base64-js":263,ieee754:264}],263:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS)return 62;if(code===SLASH)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],264:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],265:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var 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function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){var m;if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. 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>0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else{while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.listenerCount=function(emitter,type){var ret;if(!emitter._events||!emitter._events[type])ret=0;else if(isFunction(emitter._events[type]))ret=1;else ret=emitter._events[type].length;return ret};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],glam:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.Transform=exports.Scene=exports.ForwardRenderer=exports.Mesh=exports.LitMaterial=exports.FlatMaterial=exports.DirectionalLight=exports.Geometry=exports.OrbitControls=exports.PerspectiveCamera=exports.Engine=exports.NormalColorAugment=exports.LambertAugment=exports.FogAugment=undefined;var 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| },{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({normals:[function(require,module,exports){var EPSILON=1e-6;exports.vertexNormals=function(faces,positions){var N=positions.length;var normals=new Array(N);for(var i=0;i<N;++i){normals[i]=[0,0,0]}for(var i=0;i<faces.length;++i){var f=faces[i];var p=0;var c=f[f.length-1];var n=f[0];for(var j=0;j<f.length;++j){p=c;c=n;n=f[(j+1)%f.length];var v0=positions[p];var v1=positions[c];var v2=positions[n];var d01=new Array(3);var m01=0;var d21=new Array(3);var m21=0;for(var k=0;k<3;++k){d01[k]=v0[k]-v1[k];m01+=d01[k]*d01[k];d21[k]=v2[k]-v1[k];m21+=d21[k]*d21[k]}if(m01*m21>EPSILON){var norm=normals[c];var w=1/Math.sqrt(m01*m21);for(var k=0;k<3;++k){var u=(k+1)%3;var v=(k+2)%3;norm[k]+=w*(d21[u]*d01[v]-d21[v]*d01[u])}}}}for(var i=0;i<N;++i){var norm=normals[i];var m=0;for(var k=0;k<3;++k){m+=norm[k]*norm[k]}if(m>EPSILON){var w=1/Math.sqrt(m);for(var k=0;k<3;++k){norm[k]*=w}}else{for(var k=0;k<3;++k){norm[k]=0}}}return normals};exports.faceNormals=function(faces,positions){var N=faces.length;var normals=new Array(N);for(var i=0;i<N;++i){var f=faces[i];var pos=new Array(3);for(var j=0;j<3;++j){pos[j]=positions[f[j]]}var d01=new Array(3);var d21=new Array(3);for(var j=0;j<3;++j){d01[j]=pos[1][j]-pos[0][j];d21[j]=pos[2][j]-pos[0][j]}var n=new Array(3);var l=0;for(var j=0;j<3;++j){var u=(j+1)%3;var v=(j+2)%3;n[j]=d01[u]*d21[v]-d01[v]*d21[u];l+=n[j]*n[j]}if(l>EPSILON){l=1/Math.sqrt(l)}else{l=0}for(var j=0;j<3;++j){n[j]*=l}normals[i]=n}return normals}},{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}};Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i]&127)}return ret}function binarySlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;return val};Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256))val+=this[offset+--byteLength]*mul;return val};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256))val+=this[offset+--i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value;return offset+1};Buffer.prototype.writeInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(target_start>=target.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-z\-]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}else{leadSurrogate=codePoint;continue}}}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=null}if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<2097152){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length,unitSize){if(unitSize)length-=length%unitSize;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}},{"base64-js":2,ieee754:3,"is-array":4}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],3:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],4:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],5:[function(require,module,exports){module.exports=identity;function identity(out){out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=1;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=1;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out}},{}],6:[function(require,module,exports){var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");function Quad(gl){if(!(this instanceof Quad))return new Quad(gl);this.gl=gl;this.vertices=createBuffer(gl,new Float32Array([-1,-1,-1,1,1,1,1,-1]),gl.ARRAY_BUFFER,gl.STATIC_DRAW);this.texcoords=createBuffer(gl,new Float32Array([0,1,0,0,1,0,1,1]),gl.ARRAY_BUFFER,gl.STATIC_DRAW);this.elements=createBuffer(gl,new Uint16Array([0,1,2,0,2,3]),gl.ELEMENT_ARRAY_BUFFER,gl.STATIC_DRAW);this.vao=createVAO(gl,[{buffer:this.vertices,size:2,noramlized:false},{buffer:this.texcoords,size:2,normalized:false}],this.elements)}Quad.prototype.draw=function(shader){if(shader)shader.bind();this.vao.bind();this.vao.draw(this.gl.TRIANGLES,6);this.vao.unbind()};Quad.prototype.dispose=function(){this.vertices.dispose();this.texcoords.dispose();this.elements.dispose();this.vao.dispose();this.gl=null};module.exports=Quad},{"gl-buffer":7,"gl-vao":22}],7:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var ops=require("ndarray-ops");var ndarray=require("ndarray"); | |
| var SUPPORTED_TYPES=["uint8","uint8_clamped","uint16","uint32","int8","int16","int32","float32"];function GLBuffer(gl,type,handle,length,usage){this.gl=gl;this.type=type;this.handle=handle;this.length=length;this.usage=usage}var proto=GLBuffer.prototype;proto.bind=function(){this.gl.bindBuffer(this.type,this.handle)};proto.unbind=function(){this.gl.bindBuffer(this.type,null)};proto.dispose=function(){this.gl.deleteBuffer(this.handle)};function updateTypeArray(gl,type,len,usage,data,offset){var dataLen=data.length*data.BYTES_PER_ELEMENT;if(offset<0){gl.bufferData(type,data,usage);return dataLen}if(dataLen+offset>len){throw new Error("gl-buffer: If resizing buffer, must not specify offset")}gl.bufferSubData(type,offset,data);return len}function makeScratchTypeArray(array,dtype){var res=pool.malloc(array.length,dtype);var n=array.length;for(var i=0;i<n;++i){res[i]=array[i]}return res}function isPacked(shape,stride){var n=1;for(var i=stride.length-1;i>=0;--i){if(stride[i]!==n){return false}n*=shape[i]}return true}proto.update=function(array,offset){if(typeof offset!=="number"){offset=-1}this.bind();if(typeof array==="object"&&typeof array.shape!=="undefined"){var dtype=array.dtype;if(SUPPORTED_TYPES.indexOf(dtype)<0){dtype="float32"}if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var ext=gl.getExtension("OES_element_index_uint");if(ext&&dtype!=="uint16"){dtype="uint32"}else{dtype="uint16"}}if(dtype===array.dtype&&isPacked(array.shape,array.stride)){if(array.offset===0&&array.data.length===array.shape[0]){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset)}}else{var tmp=pool.malloc(array.size,dtype);var ndt=ndarray(tmp,array.shape);ops.assign(ndt,array);if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp.subarray(0,array.size),offset)}pool.free(tmp)}}else if(Array.isArray(array)){var t;if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){t=makeScratchTypeArray(array,"uint16")}else{t=makeScratchTypeArray(array,"float32")}if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset)}pool.free(t)}else if(typeof array==="object"&&typeof array.length==="number"){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)}else if(typeof array==="number"||array===undefined){if(offset>=0){throw new Error("gl-buffer: Cannot specify offset when resizing buffer")}array=array|0;if(array<=0){array=1}this.gl.bufferData(this.type,array|0,this.usage);this.length=array}else{throw new Error("gl-buffer: Invalid data type")}};function createBuffer(gl,data,type,usage){type=type||gl.ARRAY_BUFFER;usage=usage||gl.DYNAMIC_DRAW;if(type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER){throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER")}if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW){throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW")}var handle=gl.createBuffer();var result=new GLBuffer(gl,type,handle,0,usage);result.update(data);return result}module.exports=createBuffer},{ndarray:13,"ndarray-ops":8,"typedarray-pool":18}],8:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":9}],9:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.arrayBlockIndices=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"||typeof arg_type==="object"&&arg_type.blockIndices){proc.argTypes[i]="array";proc.arrayArgs.push(i);proc.arrayBlockIndices.push(arg_type.blockIndices?arg_type.blockIndices:0);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":11}],10:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}code.push("var "+vars.join(","));for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(proc.arrayBlockIndices[arrNum]===0){if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}}else{var reStrArr=[carg.name],ptrStrArr=[ptrStr];for(var j=0;j<Math.abs(proc.arrayBlockIndices[arrNum]);j++){reStrArr.push("\\s*\\[([^\\]]+)\\]");ptrStrArr.push("$"+(j+1)+"*t"+arrNum+"b"+j)}re=new RegExp(reStrArr.join(""),"g");ptrStr=ptrStrArr.join("+");if(dtypes[arrNum]==="generic"){throw new Error("cwise: Generic arrays not supported in combination with blocks!")}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);for(var i=0;i<proc.arrayArgs.length;++i){dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1]}var blockBegin=[],blockEnd=[];var loopBegin=[],loopEnd=[];var loopOrders=[];for(var i=0;i<proc.arrayArgs.length;++i){if(proc.arrayBlockIndices[i]<0){loopBegin.push(0);loopEnd.push(dimension);blockBegin.push(dimension);blockEnd.push(dimension+proc.arrayBlockIndices[i])}else{loopBegin.push(proc.arrayBlockIndices[i]);loopEnd.push(proc.arrayBlockIndices[i]+dimension);blockBegin.push(0);blockEnd.push(proc.arrayBlockIndices[i])}var newOrder=[];for(var j=0;j<orders[i].length;j++){if(loopBegin[i]<=orders[i][j]&&orders[i][j]<loopEnd[i]){newOrder.push(orders[i][j]-loopBegin[i])}}loopOrders.push(newOrder)}var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",loopBegin[i]+j,"]"].join(""))}for(var j=0;j<Math.abs(proc.arrayBlockIndices[i]);++j){vars.push(["t",i,"b",j,"=t",i,"[",blockBegin[i]+j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);code.push("var "+vars.join(","));for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(loopOrders);if(matched<dimension){code.push(outerFill(matched,loopOrders[0],proc,body))}else{code.push(innerFill(loopOrders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------")}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:12}],11:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?","+proc.arrayBlockIndices[0]+")":")"].join("")];var shapeLengthConditions=[],shapeConditions=[];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0");if(i>0){shapeLengthConditions.push("array"+proc.arrayArgs[0]+".shape.length===array"+j+".shape.length+"+(Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i])));shapeConditions.push("array"+proc.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[0])+"]===array"+j+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[i])+"]")}}if(proc.arrayArgs.length>1){code.push("if (!("+shapeLengthConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')");code.push("for(var shapeIndex=array"+proc.arrayArgs[0]+".shape.length-"+Math.abs(proc.arrayBlockIndices[0])+"; shapeIndex-->0;) {");code.push("if (!("+shapeConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')");code.push("}")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("-----Generated thunk:\n"+code.join("\n")+"\n----------")}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":10}],12:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],13:[function(require,module,exports){var iota=require("iota-array");var isBuffer=require("is-buffer");var hasTypedArrays=typeof Float64Array!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this.stride["+i+"]*i"+i}).join("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this.shape["+i+"]"}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"});var c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}"); | |
| }code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data)){return"buffer"}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor},{"iota-array":14,"is-buffer":15}],14:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],15:[function(require,module,exports){module.exports=function(obj){return!!(obj!=null&&(obj._isBuffer||obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)))}},{}],16:[function(require,module,exports){"use strict";"use restrict";var INT_BITS=32;exports.INT_BITS=INT_BITS;exports.INT_MAX=2147483647;exports.INT_MIN=-1<<INT_BITS-1;exports.sign=function(v){return(v>0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x<y)};exports.max=function(x,y){return x^(x^y)&-(x<y)};exports.isPow2=function(v){return!(v&v-1)&&!!v};exports.log2=function(v){var r,shift;r=(v>65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256);(function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<<s&255}})(REVERSE_TABLE);exports.reverse=function(v){return REVERSE_TABLE[v&255]<<24|REVERSE_TABLE[v>>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],17:[function(require,module,exports){"use strict";function dupe_array(count,value,i){var c=count[i]|0;if(c<=0){return[]}var result=new Array(c),j;if(i===count.length-1){for(j=0;j<c;++j){result[j]=value}}else{for(j=0;j<c;++j){result[j]=dupe_array(count,value,i+1)}}return result}function dupe_number(count,value){var result,i;result=new Array(count);for(i=0;i<count;++i){result[i]=value}return result}function dupe(count,value){if(typeof value==="undefined"){value=0}switch(typeof count){case"number":if(count>0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],18:[function(require,module,exports){(function(global,Buffer){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)}exports.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":16,buffer:1,dup:17}],19:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){if(elements){elements.bind()}else{gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null)}var nattribs=gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0;if(attributes){if(attributes.length>nattribs){throw new Error("gl-vao: Too many vertex attributes")}for(var i=0;i<attributes.length;++i){var attrib=attributes[i];if(attrib.buffer){var buffer=attrib.buffer;var size=attrib.size||4;var type=attrib.type||gl.FLOAT;var normalized=!!attrib.normalized;var stride=attrib.stride||0;var offset=attrib.offset||0;buffer.bind();gl.enableVertexAttribArray(i);gl.vertexAttribPointer(i,size,type,normalized,stride,offset)}else{if(typeof attrib==="number"){gl.vertexAttrib1f(i,attrib)}else if(attrib.length===1){gl.vertexAttrib1f(i,attrib[0])}else if(attrib.length===2){gl.vertexAttrib2f(i,attrib[0],attrib[1])}else if(attrib.length===3){gl.vertexAttrib3f(i,attrib[0],attrib[1],attrib[2])}else if(attrib.length===4){gl.vertexAttrib4f(i,attrib[0],attrib[1],attrib[2],attrib[3])}else{throw new Error("gl-vao: Invalid vertex attribute")}gl.disableVertexAttribArray(i)}}for(;i<nattribs;++i){gl.disableVertexAttribArray(i)}}else{gl.bindBuffer(gl.ARRAY_BUFFER,null);for(var i=0;i<nattribs;++i){gl.disableVertexAttribArray(i)}}}module.exports=doBind},{}],20:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null;this._elementsType=gl.UNSIGNED_SHORT}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements,elementsType){this._elements=elements;this._attributes=attributes;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAOEmulated.prototype.dispose=function(){};VAOEmulated.prototype.unbind=function(){};VAOEmulated.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._elements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":19}],21:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VertexAttribute(location,dimension,a,b,c,d){this.location=location;this.dimension=dimension;this.a=a;this.b=b;this.c=c;this.d=d}VertexAttribute.prototype.bind=function(gl){switch(this.dimension){case 1:gl.vertexAttrib1f(this.location,this.a);break;case 2:gl.vertexAttrib2f(this.location,this.a,this.b);break;case 3:gl.vertexAttrib3f(this.location,this.a,this.b,this.c);break;case 4:gl.vertexAttrib4f(this.location,this.a,this.b,this.c,this.d);break}};function VAONative(gl,ext,handle){this.gl=gl;this._ext=ext;this.handle=handle;this._attribs=[];this._useElements=false;this._elementsType=gl.UNSIGNED_SHORT}VAONative.prototype.bind=function(){this._ext.bindVertexArrayOES(this.handle);for(var i=0;i<this._attribs.length;++i){this._attribs[i].bind(this.gl)}};VAONative.prototype.unbind=function(){this._ext.bindVertexArrayOES(null)};VAONative.prototype.dispose=function(){this._ext.deleteVertexArrayOES(this.handle)};VAONative.prototype.update=function(attributes,elements,elementsType){this.bind();bindAttribs(this.gl,elements,attributes);this.unbind();this._attribs.length=0;if(attributes)for(var i=0;i<attributes.length;++i){var a=attributes[i];if(typeof a==="number"){this._attribs.push(new VertexAttribute(i,1,a))}else if(Array.isArray(a)){this._attribs.push(new VertexAttribute(i,a.length,a[0],a[1],a[2],a[3]))}}this._useElements=!!elements;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":19}],22:[function(require,module,exports){"use strict";var createVAONative=require("./lib/vao-native.js");var createVAOEmulated=require("./lib/vao-emulated.js");function createVAO(gl,attributes,elements,elementsType){var ext=gl.getExtension("OES_vertex_array_object");var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements,elementsType);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":20,"./lib/vao-native.js":21}],23:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");var shaderCache=require("./lib/shader-cache");var runtime=require("./lib/runtime-reflect");function Shader(gl){this.gl=gl;this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}var proto=Shader.prototype;proto.bind=function(){if(!this.program){this._relink()}this.gl.useProgram(this.program)};proto.dispose=function(){if(this._fref){this._fref.dispose()}if(this._vref){this._vref.dispose()}this.attributes=this.types=this.vertShader=this.fragShader=this.program=this._relink=this._fref=this._vref=null};function compareAttributes(a,b){if(a.name<b.name){return-1}return 1}proto.update=function(vertSource,fragSource,uniforms,attributes){if(!fragSource||arguments.length===1){var obj=vertSource;vertSource=obj.vertex;fragSource=obj.fragment;uniforms=obj.uniforms;attributes=obj.attributes}var wrapper=this;var gl=wrapper.gl;var pvref=wrapper._vref;wrapper._vref=shaderCache.shader(gl,gl.VERTEX_SHADER,vertSource);if(pvref){pvref.dispose()}wrapper.vertShader=wrapper._vref.shader;var pfref=this._fref;wrapper._fref=shaderCache.shader(gl,gl.FRAGMENT_SHADER,fragSource);if(pfref){pfref.dispose()}wrapper.fragShader=wrapper._fref.shader;if(!uniforms||!attributes){var testProgram=gl.createProgram();gl.attachShader(testProgram,wrapper.fragShader);gl.attachShader(testProgram,wrapper.vertShader);gl.linkProgram(testProgram);if(!gl.getProgramParameter(testProgram,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(testProgram);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}uniforms=uniforms||runtime.uniforms(gl,testProgram);attributes=attributes||runtime.attributes(gl,testProgram);gl.deleteProgram(testProgram)}attributes=attributes.slice();attributes.sort(compareAttributes);var attributeUnpacked=[];var attributeNames=[];var attributeLocations=[];for(var i=0;i<attributes.length;++i){var attr=attributes[i];if(attr.type.indexOf("mat")>=0){var size=attr.type.charAt(attr.type.length-1)|0;var locVector=new Array(size);for(var j=0;j<size;++j){locVector[j]=attributeLocations.length;attributeNames.push(attr.name+"["+j+"]");if(typeof attr.location==="number"){attributeLocations.push(attr.location+j)}else if(Array.isArray(attr.location)&&attr.location.length===size&&typeof attr.location[j]==="number"){attributeLocations.push(attr.location[j]|0)}else{attributeLocations.push(-1)}}attributeUnpacked.push({name:attr.name,type:attr.type,locations:locVector})}else{attributeUnpacked.push({name:attr.name,type:attr.type,locations:[attributeLocations.length]});attributeNames.push(attr.name);if(typeof attr.location==="number"){attributeLocations.push(attr.location|0)}else{attributeLocations.push(-1)}}}var curLocation=0;for(var i=0;i<attributeLocations.length;++i){if(attributeLocations[i]<0){while(attributeLocations.indexOf(curLocation)>=0){curLocation+=1}attributeLocations[i]=curLocation}}var uniformLocations=new Array(uniforms.length);function relink(){wrapper.program=shaderCache.program(gl,wrapper._vref,wrapper._fref,attributeNames,attributeLocations);for(var i=0;i<uniforms.length;++i){uniformLocations[i]=gl.getUniformLocation(wrapper.program,uniforms[i].name)}}relink();wrapper._relink=relink;wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations);Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))};function createShader(gl,vertSource,fragSource,uniforms,attributes){var shader=new Shader(gl);shader.update(vertSource,fragSource,uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes":24,"./lib/create-uniforms":25,"./lib/reflect":26,"./lib/runtime-reflect":27,"./lib/shader-cache":28}],24:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl;this._wrapper=wrapper;this._index=index;this._locations=locations;this._dimension=dimension;this._constFunc=constFunc}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var self=this;var gl=self._gl;var location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0);gl.enableVertexAttribArray(location)};proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)};Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){if(v!==this._locations[this._index]){this._locations[this._index]=v|0;this._wrapper.program=null}return v|0}});function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){var constFuncArgs=["gl","v"];var varNames=[];for(var i=0;i<dimension;++i){constFuncArgs.push("x"+i);varNames.push("x"+i)}constFuncArgs.push("if(x0.length===void 0){return gl.vertexAttrib"+dimension+"f(v,"+varNames.join()+")}else{return gl.vertexAttrib"+dimension+"fv(v,x0)}");var constFunc=Function.apply(null,constFuncArgs);var attr=new ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(locations[index]);constFunc(gl,locations[index],x);return x},get:function(){return attr},enumerable:true})}function addMatrixAttribute(gl,wrapper,index,locations,dimension,obj,name){var parts=new Array(dimension);var attrs=new Array(dimension);for(var i=0;i<dimension;++i){addVectorAttribute(gl,wrapper,index[i],locations,dimension,parts,i);attrs[i]=parts[i]}Object.defineProperty(parts,"location",{set:function(v){if(Array.isArray(v)){for(var i=0;i<dimension;++i){attrs[i].location=v[i]}}else{for(var i=0;i<dimension;++i){attrs[i].location=v+i}}return v},get:function(){var result=new Array(dimension);for(var i=0;i<dimension;++i){result[i]=locations[index[i]]}return result},enumerable:true});parts.pointer=function(type,normalized,stride,offset){type=type||gl.FLOAT;normalized=!!normalized;stride=stride||dimension*dimension;offset=offset||0;for(var i=0;i<dimension;++i){var location=locations[index[i]];gl.vertexAttribPointer(location,dimension,type,normalized,stride,offset+i*dimension);gl.enableVertexAttribArray(location)}};var scratch=new Array(dimension);var vertexAttrib=gl["vertexAttrib"+dimension+"fv"];Object.defineProperty(obj,name,{set:function(x){for(var i=0;i<dimension;++i){var loc=locations[index[i]];gl.disableVertexAttribArray(loc);if(Array.isArray(x[0])){vertexAttrib.call(gl,loc,x[i])}else{for(var j=0;j<dimension;++j){scratch[j]=x[dimension*i+j]}vertexAttrib.call(gl,loc,scratch)}}return x},get:function(){return parts},enumerable:true})}function createAttributeWrapper(gl,wrapper,attributes,locations){var obj={};for(var i=0,n=attributes.length;i<n;++i){var a=attributes[i];var name=a.name;var type=a.type;var locs=a.locations;switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,wrapper,locs[0],locations,1,obj,name);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else if(type.indexOf("mat")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}else{throw new Error("gl-shader: Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],25:[function(require,module,exports){"use strict";var coallesceUniforms=require("./reflect");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function makeVector(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function createUniformWrapper(gl,wrapper,uniforms,locations){function makeGetter(index){var proc=new Function("gl","wrapper","locations","return function(){return gl.getUniform(wrapper.program,locations["+index+"])}");return proc(gl,wrapper,locations)}function makePropSetter(path,index,type){switch(type){case"bool":case"int":case"sampler2D":case"samplerCube":return"gl.uniform1i(locations["+index+"],obj"+path+")";case"float":return"gl.uniform1f(locations["+index+"],obj"+path+")";default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type")}switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new Error("gl-shader: Unrecognized data type for vector "+name+": "+type)}}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("gl-shader: Unknown uniform data type for "+name+": "+type)}break}}function enumerateIndices(prefix,type){if(typeof type!=="object"){return[[prefix,type]]}var indices=[];for(var id in type){var prop=type[id];var tprefix=prefix;if(parseInt(id)+""===id){tprefix+="["+id+"]"}else{tprefix+="."+id}if(typeof prop==="object"){indices.push.apply(indices,enumerateIndices(tprefix,prop))}else{indices.push([tprefix,prop])}}return indices}function makeSetter(type){var code=["return function updateProperty(obj){"];var indices=enumerateIndices("",type);for(var i=0;i<indices.length;++i){var item=indices[i];var path=item[0];var idx=item[1];if(locations[idx]){code.push(makePropSetter(path,idx,uniforms[idx].type))}}code.push("return obj}");var proc=new Function("gl","locations",code.join("\n"));return proc(gl,locations)}function defaultValue(type){switch(type){case"bool":return false;case"int":case"sampler2D":case"samplerCube":return 0;case"float":return 0;default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type")}if(type.charAt(0)==="b"){return makeVector(d,false)}return makeVector(d,0)}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return makeVector(d*d,0)}else{throw new Error("gl-shader: Unknown uniform data type for "+name+": "+type)}break}}function storeProperty(obj,prop,type){if(typeof type==="object"){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:true,configurable:false})}else{if(locations[type]){Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:true,configurable:false})}else{obj[prop]=defaultValue(uniforms[type].type)}}}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i<obj.length;++i){storeProperty(result,i,obj[i])}}else{result={};for(var id in obj){storeProperty(result,id,obj[id])}}return result}var coallesced=coallesceUniforms(uniforms,true);return{get:identity(processObject(coallesced)),set:makeSetter(coallesced),enumerable:true,configurable:true}}},{"./reflect":26}],26:[function(require,module,exports){"use strict";module.exports=makeReflectTypes;function makeReflectTypes(uniforms,useIndex){var obj={};for(var i=0;i<uniforms.length;++i){var n=uniforms[i].name;var parts=n.split(".");var o=obj;for(var j=0;j<parts.length;++j){var x=parts[j].split("[");if(x.length>1){if(!(x[0]in o)){o[x[0]]=[]}o=o[x[0]];for(var k=1;k<x.length;++k){var y=parseInt(x[k]);if(k<x.length-1||j<parts.length-1){if(!(y in o)){if(k<x.length-1){o[y]=[]}else{o[y]={}}}o=o[y]}else{if(useIndex){o[y]=i}else{o[y]=uniforms[i].type}}}}else if(j<parts.length-1){if(!(x[0]in o)){o[x[0]]={}}o=o[x[0]]}else{if(useIndex){o[x[0]]=i}else{o[x[0]]=uniforms[i].type}}}}return obj}},{}],27:[function(require,module,exports){"use strict";exports.uniforms=runtimeUniforms;exports.attributes=runtimeAttributes;var GL_TO_GLSL_TYPES={FLOAT:"float",FLOAT_VEC2:"vec2",FLOAT_VEC3:"vec3",FLOAT_VEC4:"vec4",INT:"int",INT_VEC2:"ivec2",INT_VEC3:"ivec3",INT_VEC4:"ivec4",BOOL:"bool",BOOL_VEC2:"bvec2",BOOL_VEC3:"bvec3",BOOL_VEC4:"bvec4",FLOAT_MAT2:"mat2",FLOAT_MAT3:"mat3",FLOAT_MAT4:"mat4",SAMPLER_2D:"sampler2D",SAMPLER_CUBE:"samplerCube"};var GL_TABLE=null;function getType(gl,type){if(!GL_TABLE){var typeNames=Object.keys(GL_TO_GLSL_TYPES);GL_TABLE={};for(var i=0;i<typeNames.length;++i){var tn=typeNames[i];GL_TABLE[gl[tn]]=GL_TO_GLSL_TYPES[tn]}}return GL_TABLE[type]}function runtimeUniforms(gl,program){var numUniforms=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);var result=[];for(var i=0;i<numUniforms;++i){var info=gl.getActiveUniform(program,i);if(info){var type=getType(gl,info.type);if(info.size>1){for(var j=0;j<info.size;++j){result.push({name:info.name.replace("[0]","["+j+"]"),type:type})}}else{result.push({name:info.name,type:type})}}}return result}function runtimeAttributes(gl,program){var numAttributes=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);var result=[];for(var i=0;i<numAttributes;++i){var info=gl.getActiveAttrib(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}},{}],28:[function(require,module,exports){"use strict";exports.shader=getShaderReference;exports.program=createProgram;var formatCompilerError=require("gl-format-compiler-error");var weakMap=typeof WeakMap==="undefined"?require("weakmap-shim"):WeakMap;var CACHE=new weakMap;var SHADER_COUNTER=0;function ShaderReference(id,src,type,shader,programs,count,cache){this.id=id;this.src=src;this.type=type;this.shader=shader;this.count=count;this.programs=[];this.cache=cache}ShaderReference.prototype.dispose=function(){if(--this.count===0){var cache=this.cache;var gl=cache.gl;var programs=this.programs;for(var i=0,n=programs.length;i<n;++i){var p=cache.programs[programs[i]];if(p){delete cache.programs[i];gl.deleteProgram(p)}}gl.deleteShader(this.shader);delete cache.shaders[this.type===gl.FRAGMENT_SHADER|0][this.src]}};function ContextCache(gl){this.gl=gl;this.shaders=[{},{}];this.programs={}}var proto=ContextCache.prototype;function compileShader(gl,type,src){var shader=gl.createShader(type);gl.shaderSource(shader,src);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(shader);try{var fmt=formatCompilerError(errLog,src,type)}catch(e){console.warn("Failed to format compiler error: "+e);throw new Error("gl-shader: Error compiling shader:\n"+errLog)}console.warn("gl-shader: "+fmt.long);throw new Error("gl-shader: "+fmt.short)}return shader}proto.getShaderReference=function(type,src){var gl=this.gl;var shaders=this.shaders[type===gl.FRAGMENT_SHADER|0];var shader=shaders[src];if(!shader||!gl.isShader(shader.shader)){var shaderObj=compileShader(gl,type,src);shader=shaders[src]=new ShaderReference(SHADER_COUNTER++,src,type,shaderObj,[],1,this)}else{shader.count+=1}return shader};function linkProgram(gl,vshader,fshader,attribs,locations){var program=gl.createProgram();gl.attachShader(program,vshader);gl.attachShader(program,fshader);for(var i=0;i<attribs.length;++i){gl.bindAttribLocation(program,locations[i],attribs[i])}gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}return program}proto.getProgram=function(vref,fref,attribs,locations){var token=[vref.id,fref.id,attribs.join(":"),locations.join(":")].join("@");var prog=this.programs[token];if(!prog||!this.gl.isProgram(prog)){this.programs[token]=prog=linkProgram(this.gl,vref.shader,fref.shader,attribs,locations);vref.programs.push(token);fref.programs.push(token)}return prog};function getCache(gl){var ctxCache=CACHE.get(gl);if(!ctxCache){ctxCache=new ContextCache(gl);CACHE.set(gl,ctxCache)}return ctxCache}function getShaderReference(gl,type,src){return getCache(gl).getShaderReference(type,src)}function createProgram(gl,vref,fref,attribs,locations){return getCache(gl).getProgram(vref,fref,attribs,locations)}},{"gl-format-compiler-error":29,"weakmap-shim":45}],29:[function(require,module,exports){var sprintf=require("sprintf-js").sprintf;var glConstants=require("gl-constants/lookup");var shaderName=require("glsl-shader-name");var addLineNumbers=require("add-line-numbers"); | |
| module.exports=formatCompilerError;function formatCompilerError(errLog,src,type){"use strict";var name=shaderName(src)||"of unknown name (see npm glsl-shader-name)";var typeName="unknown type";if(type!==undefined){typeName=type===glConstants.FRAGMENT_SHADER?"fragment":"vertex"}var longForm=sprintf("Error compiling %s shader %s:\n",typeName,name);var shortForm=sprintf("%s%s",longForm,errLog);var errorStrings=errLog.split("\n");var errors={};for(var i=0;i<errorStrings.length;i++){var errorString=errorStrings[i];if(errorString==="")continue;var lineNo=parseInt(errorString.split(":")[2]);if(isNaN(lineNo)){throw new Error(sprintf("Could not parse error: %s",errorString))}errors[lineNo]=errorString}var lines=addLineNumbers(src).split("\n");for(var i=0;i<lines.length;i++){if(!errors[i+3]&&!errors[i+2]&&!errors[i+1])continue;var line=lines[i];longForm+=line+"\n";if(errors[i+1]){var e=errors[i+1];e=e.substr(e.split(":",3).join(":").length+1).trim();longForm+=sprintf("^^^ %s\n\n",e)}}return{"long":longForm.trim(),"short":shortForm.trim()}}},{"add-line-numbers":30,"gl-constants/lookup":34,"glsl-shader-name":35,"sprintf-js":42}],30:[function(require,module,exports){var padLeft=require("pad-left");module.exports=addLineNumbers;function addLineNumbers(string,start,delim){start=typeof start==="number"?start:1;delim=delim||": ";var lines=string.split(/\r?\n/);var totalDigits=String(lines.length+start-1).length;return lines.map(function(line,i){var c=i+start;var digits=String(c).length;var prefix=padLeft(c,totalDigits-digits);return prefix+delim+line}).join("\n")}},{"pad-left":31}],31:[function(require,module,exports){"use strict";var repeat=require("repeat-string");module.exports=function padLeft(str,num,ch){ch=typeof ch!=="undefined"?ch+"":" ";return repeat(ch,num)+str}},{"repeat-string":32}],32:[function(require,module,exports){"use strict";module.exports=repeat;function repeat(str,num){if(typeof str!=="string"){throw new TypeError("repeat-string expects a string.")}if(num===1)return str;if(num===2)return str+str;var max=str.length*num;if(cache!==str||typeof cache==="undefined"){cache=str;res=""}while(max>res.length&&num>0){if(num&1){res+=str}num>>=1;if(!num)break;str+=str}return res.substr(0,max)}var res="";var 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EC2",35665:"FLOAT_VEC3",35666:"FLOAT_VEC4",35667:"INT_VEC2",35668:"INT_VEC3",35669:"INT_VEC4",35670:"BOOL",35671:"BOOL_VEC2",35672:"BOOL_VEC3",35673:"BOOL_VEC4",35674:"FLOAT_MAT2",35675:"FLOAT_MAT3",35676:"FLOAT_MAT4",35678:"SAMPLER_2D",35680:"SAMPLER_CUBE",35712:"DELETE_STATUS",35713:"COMPILE_STATUS",35714:"LINK_STATUS",35715:"VALIDATE_STATUS",35716:"INFO_LOG_LENGTH",35717:"ATTACHED_SHADERS",35718:"ACTIVE_UNIFORMS",35719:"ACTIVE_UNIFORM_MAX_LENGTH",35720:"SHADER_SOURCE_LENGTH",35721:"ACTIVE_ATTRIBUTES",35722:"ACTIVE_ATTRIBUTE_MAX_LENGTH",35724:"SHADING_LANGUAGE_VERSION",35725:"CURRENT_PROGRAM",36003:"STENCIL_BACK_REF",36004:"STENCIL_BACK_VALUE_MASK",36005:"STENCIL_BACK_WRITEMASK",36006:"FRAMEBUFFER_BINDING",36007:"RENDERBUFFER_BINDING",36048:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",36049:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",36050:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",36051:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",36053:"FRAMEBUFFER_COMPLETE",36054:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT",36055:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",36057:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS",36061:"FRAMEBUFFER_UNSUPPORTED",36064:"COLOR_ATTACHMENT0",36096:"DEPTH_ATTACHMENT",36128:"STENCIL_ATTACHMENT",36160:"FRAMEBUFFER",36161:"RENDERBUFFER",36162:"RENDERBUFFER_WIDTH",36163:"RENDERBUFFER_HEIGHT",36164:"RENDERBUFFER_INTERNAL_FORMAT",36168:"STENCIL_INDEX8",36176:"RENDERBUFFER_RED_SIZE",36177:"RENDERBUFFER_GREEN_SIZE",36178:"RENDERBUFFER_BLUE_SIZE",36179:"RENDERBUFFER_ALPHA_SIZE",36180:"RENDERBUFFER_DEPTH_SIZE",36181:"RENDERBUFFER_STENCIL_SIZE",36194:"RGB565",36336:"LOW_FLOAT",36337:"MEDIUM_FLOAT",36338:"HIGH_FLOAT",36339:"LOW_INT",36340:"MEDIUM_INT",36341:"HIGH_INT",36346:"SHADER_COMPILER",36347:"MAX_VERTEX_UNIFORM_VECTORS",36348:"MAX_VARYING_VECTORS",36349:"MAX_FRAGMENT_UNIFORM_VECTORS",37440:"UNPACK_FLIP_Y_WEBGL",37441:"UNPACK_PREMULTIPLY_ALPHA_WEBGL",37442:"CONTEXT_LOST_WEBGL",37443:"UNPACK_COLORSPACE_CONVERSION_WEBGL",37444:"BROWSER_DEFAULT_WEBGL"}},{}],34:[function(require,module,exports){var gl10=require("./1.0/numbers");module.exports=function lookupConstant(number){return gl10[number]}},{"./1.0/numbers":33}],35:[function(require,module,exports){var tokenize=require("glsl-tokenizer");var atob=require("atob-lite");module.exports=getName;function getName(src){var tokens=Array.isArray(src)?src:tokenize(src);for(var i=0;i<tokens.length;i++){var token=tokens[i];if(token.type!=="preprocessor")continue;var match=token.data.match(/\#define\s+SHADER_NAME(_B64)?\s+(.+)$/);if(!match)continue;if(!match[2])continue;var b64=match[1];var name=match[2];return(b64?atob(name):name).trim()}}},{"atob-lite":36,"glsl-tokenizer":41}],36:[function(require,module,exports){module.exports=function _atob(str){return atob(str)}},{}],37:[function(require,module,exports){module.exports=tokenize;var literals=require("./lib/literals"),operators=require("./lib/operators"),builtins=require("./lib/builtins");var NORMAL=999,TOKEN=9999,BLOCK_COMMENT=0,LINE_COMMENT=1,PREPROCESSOR=2,OPERATOR=3,INTEGER=4,FLOAT=5,IDENT=6,BUILTIN=7,KEYWORD=8,WHITESPACE=9,EOF=10,HEX=11;var map=["block-comment","line-comment","preprocessor","operator","integer","float","ident","builtin","keyword","whitespace","eof","integer"];function tokenize(){var i=0,total=0,mode=NORMAL,c,last,content=[],tokens=[],token_idx=0,token_offs=0,line=1,col=0,start=0,isnum=false,isoperator=false,input="",len;return function(data){tokens=[];if(data!==null)return write(data);return end()};function token(data){if(data.length){tokens.push({type:map[mode],data:data,position:start,line:line,column:col})}}function write(chunk){i=0;input+=chunk;len=input.length;var last;while(c=input[i],i<len){last=i;switch(mode){case BLOCK_COMMENT:i=block_comment();break;case LINE_COMMENT:i=line_comment();break;case PREPROCESSOR:i=preprocessor();break;case OPERATOR:i=operator();break;case INTEGER:i=integer();break;case HEX:i=hex();break;case FLOAT:i=decimal();break;case TOKEN:i=readtoken();break;case WHITESPACE:i=whitespace();break;case NORMAL:i=normal();break}if(last!==i){switch(input[last]){case"\n":col=0;++line;break;default:++col;break}}}total+=i;input=input.slice(i);return tokens}function end(chunk){if(content.length){token(content.join(""))}mode=EOF;token("(eof)");return tokens}function normal(){content=content.length?[]:content;if(last==="/"&&c==="*"){start=total+i-1;mode=BLOCK_COMMENT;last=c;return i+1}if(last==="/"&&c==="/"){start=total+i-1;mode=LINE_COMMENT;last=c;return i+1}if(c==="#"){mode=PREPROCESSOR;start=total+i;return i}if(/\s/.test(c)){mode=WHITESPACE;start=total+i;return i}isnum=/\d/.test(c);isoperator=/[^\w_]/.test(c);start=total+i;mode=isnum?INTEGER:isoperator?OPERATOR:TOKEN;return i}function whitespace(){if(/[^\s]/g.test(c)){token(content.join(""));mode=NORMAL;return i}content.push(c);last=c;return i+1}function preprocessor(){if(c==="\n"&&last!=="\\"){token(content.join(""));mode=NORMAL;return 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exports!=="undefined"){exports.sprintf=sprintf;exports.vsprintf=vsprintf}else{window.sprintf=sprintf;window.vsprintf=vsprintf;if(typeof define==="function"&&define.amd){define(function(){return{sprintf:sprintf,vsprintf:vsprintf}})}}})(typeof window==="undefined"?this:window)},{}],43:[function(require,module,exports){var hiddenStore=require("./hidden-store.js");module.exports=createStore;function createStore(){var key={};return function(obj){if((typeof obj!=="object"||obj===null)&&typeof obj!=="function"){throw new Error("Weakmap-shim: Key must be object")}var store=obj.valueOf(key);return store&&store.identity===key?store:hiddenStore(obj,key)}}},{"./hidden-store.js":44}],44:[function(require,module,exports){module.exports=hiddenStore;function hiddenStore(obj,key){var store={identity:key};var valueOf=obj.valueOf;Object.defineProperty(obj,"valueOf",{value:function(value){return value!==key?valueOf.apply(this,arguments):store},writable:true});return store}},{}],45:[function(require,module,exports){var createStore=require("./create-store.js");module.exports=weakMap;function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){privates(key).value=value},has:function(key){return"value"in privates(key)},"delete":function(key){return delete privates(key).value}}}},{"./create-store.js":43}],"gl-vignette-background":[function(require,module,exports){var createQuad=require("gl-quad");var createShader=require("gl-shader");var identity4x4=require("gl-mat4/identity");var vert="#define GLSLIFY 1\nattribute vec4 position;\nattribute vec2 uv;\nuniform mat4 projection;\nuniform mat4 view;\nuniform mat4 model;\n\nvarying vec2 vUv;\n\nvoid main() {\n gl_Position = projection * view * model * position;\n vUv = uv;\n}";var frag="#define GLSLIFY 1\n#ifdef GL_ES\nprecision mediump float;\n#endif\n\nvarying vec2 vUv;\n\nhighp float random(vec2 co)\n{\n highp float a = 12.9898;\n highp float b = 78.233;\n highp float c = 43758.5453;\n highp float dt= dot(co.xy ,vec2(a,b));\n highp float sn= mod(dt,3.14);\n return fract(sin(sn) * c);\n}\n\nvec3 blendOverlay(vec3 base, vec3 blend) {\n return mix(1.0 - 2.0 * (1.0 - base) * (1.0 - blend), 2.0 * base * blend, step(base, vec3(0.5)));\n // with conditionals, may be worth benchmarking\n // return vec3(\n // base.r < 0.5 ? (2.0 * base.r * blend.r) : (1.0 - 2.0 * (1.0 - base.r) * (1.0 - blend.r)),\n // base.g < 0.5 ? (2.0 * base.g * blend.g) : (1.0 - 2.0 * (1.0 - base.g) * (1.0 - blend.g)),\n // base.b < 0.5 ? (2.0 * base.b * blend.b) : (1.0 - 2.0 * (1.0 - base.b) * (1.0 - blend.b))\n // );\n}\n\nuniform float aspect;\nuniform vec2 scale; \nuniform vec2 offset;\nuniform bool coloredNoise;\n\nuniform vec2 smoothing;\nuniform float noiseAlpha;\n\nuniform vec3 color1;\nuniform vec3 color2;\n\nvoid main() { \n vec2 pos = vUv;\n pos -= 0.5;\n\n pos.x *= aspect;\n pos /= scale;\n pos -= offset;\n\n float dist = length(pos);\n dist = smoothstep(smoothing.x, smoothing.y, 1.-dist);\n\n vec4 color = vec4(1.0);\n color.rgb = mix(color2, color1, dist);\n\n if (noiseAlpha > 0.0) {\n vec3 noise = coloredNoise ? vec3(random(vUv * 1.5), random(vUv * 2.5), random(vUv)) : vec3(random(vUv));\n color.rgb = mix(color.rgb, blendOverlay(color.rgb, noise), noiseAlpha);\n }\n gl_FragColor = color;\n}";module.exports=createBackground;function createBackground(gl){var attribs=[{name:"position",location:0,type:"vec4"},{name:"uv",location:1,type:"vec2"}];var shader=createShader(gl,vert,frag,null,attribs);var quad=createQuad(gl);var matrix=identity4x4([]);var width=gl.drawingBufferWidth;var height=gl.drawingBufferHeight;style({aspect:width/height,smoothing:[-.4,.8],noiseAlpha:.04,coloredNoise:true,offset:[0,0],resolution:[width,height],color1:[1,1,1],color2:[0,0,0],scale:[1,1],projection:matrix,view:matrix,model:matrix});function style(opt){if(!opt){return}shader.bind();var uniforms=shader.uniforms;for(var k in opt){if(exists(opt,k)){uniforms[k]=opt[k]}}}function draw(){shader.bind();quad.draw()}function dispose(){shader.dispose();quad.dispose()}return{draw:draw,dispose:dispose,style:style}}function exists(opt,k){return opt.hasOwnProperty(k)&&(opt[k]||typeof opt[k]==="number"||typeof opt[k]==="boolean")}},{"gl-mat4/identity":5,"gl-quad":6,"gl-shader":23}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){module.exports=add;function add(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];out[2]=a[2]+b[2];return out}},{}],2:[function(require,module,exports){module.exports=angle;var fromValues=require("./fromValues");var normalize=require("./normalize");var dot=require("./dot");function angle(a,b){var tempA=fromValues(a[0],a[1],a[2]);var tempB=fromValues(b[0],b[1],b[2]);normalize(tempA,tempA);normalize(tempB,tempB);var cosine=dot(tempA,tempB);if(cosine>1){return 0}else{return Math.acos(cosine)}}},{"./dot":9,"./fromValues":11,"./normalize":19}],3:[function(require,module,exports){module.exports=clone;function clone(a){var out=new Float32Array(3);out[0]=a[0];out[1]=a[1];out[2]=a[2];return out}},{}],4:[function(require,module,exports){module.exports=copy;function copy(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out}},{}],5:[function(require,module,exports){module.exports=create;function create(){var out=new Float32Array(3);out[0]=0;out[1]=0;out[2]=0;return out}},{}],6:[function(require,module,exports){module.exports=cross;function cross(out,a,b){var ax=a[0],ay=a[1],az=a[2],bx=b[0],by=b[1],bz=b[2];out[0]=ay*bz-az*by;out[1]=az*bx-ax*bz;out[2]=ax*by-ay*bx;return out}},{}],7:[function(require,module,exports){module.exports=distance;function distance(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2];return Math.sqrt(x*x+y*y+z*z)}},{}],8:[function(require,module,exports){module.exports=divide;function divide(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];out[2]=a[2]/b[2];return out}},{}],9:[function(require,module,exports){module.exports=dot;function dot(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]}},{}],10:[function(require,module,exports){module.exports=forEach;var vec=require("./create")();function forEach(a,stride,offset,count,fn,arg){var i,l;if(!stride){stride=3}if(!offset){offset=0}if(count){l=Math.min(count*stride+offset,a.length)}else{l=a.length}for(i=offset;i<l;i+=stride){vec[0]=a[i];vec[1]=a[i+1];vec[2]=a[i+2];fn(vec,vec,arg);a[i]=vec[0];a[i+1]=vec[1];a[i+2]=vec[2]}return a}},{"./create":5}],11:[function(require,module,exports){module.exports=fromValues;function fromValues(x,y,z){var out=new Float32Array(3);out[0]=x;out[1]=y;out[2]=z;return out}},{}],12:[function(require,module,exports){module.exports=inverse;function inverse(out,a){out[0]=1/a[0];out[1]=1/a[1];out[2]=1/a[2];return out}},{}],13:[function(require,module,exports){module.exports=length;function length(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)}},{}],14:[function(require,module,exports){module.exports=lerp;function lerp(out,a,b,t){var ax=a[0],ay=a[1],az=a[2];out[0]=ax+t*(b[0]-ax);out[1]=ay+t*(b[1]-ay);out[2]=az+t*(b[2]-az);return out}},{}],15:[function(require,module,exports){module.exports=max;function max(out,a,b){out[0]=Math.max(a[0],b[0]);out[1]=Math.max(a[1],b[1]);out[2]=Math.max(a[2],b[2]);return out}},{}],16:[function(require,module,exports){module.exports=min;function min(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);out[2]=Math.min(a[2],b[2]);return out}},{}],17:[function(require,module,exports){module.exports=multiply;function multiply(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];out[2]=a[2]*b[2];return out}},{}],18:[function(require,module,exports){module.exports=negate;function negate(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return out}},{}],19:[function(require,module,exports){module.exports=normalize;function normalize(out,a){var x=a[0],y=a[1],z=a[2];var len=x*x+y*y+z*z;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out}},{}],20:[function(require,module,exports){module.exports=random;function random(out,scale){scale=scale||1;var r=Math.random()*2*Math.PI;var z=Math.random()*2-1;var zScale=Math.sqrt(1-z*z)*scale;out[0]=Math.cos(r)*zScale;out[1]=Math.sin(r)*zScale;out[2]=z*scale;return out}},{}],21:[function(require,module,exports){module.exports=rotateX;function rotateX(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];r[0]=p[0];r[1]=p[1]*Math.cos(c)-p[2]*Math.sin(c);r[2]=p[1]*Math.sin(c)+p[2]*Math.cos(c);out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out}},{}],22:[function(require,module,exports){module.exports=rotateY;function rotateY(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];r[0]=p[2]*Math.sin(c)+p[0]*Math.cos(c);r[1]=p[1];r[2]=p[2]*Math.cos(c)-p[0]*Math.sin(c);out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out}},{}],23:[function(require,module,exports){module.exports=rotateZ;function rotateZ(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];r[0]=p[0]*Math.cos(c)-p[1]*Math.sin(c);r[1]=p[0]*Math.sin(c)+p[1]*Math.cos(c);r[2]=p[2];out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out}},{}],24:[function(require,module,exports){module.exports=scale;function scale(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return out}},{}],25:[function(require,module,exports){ | |
| module.exports=scaleAndAdd;function scaleAndAdd(out,a,b,scale){out[0]=a[0]+b[0]*scale;out[1]=a[1]+b[1]*scale;out[2]=a[2]+b[2]*scale;return out}},{}],26:[function(require,module,exports){module.exports=set;function set(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return out}},{}],27:[function(require,module,exports){module.exports=squaredDistance;function squaredDistance(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2];return x*x+y*y+z*z}},{}],28:[function(require,module,exports){module.exports=squaredLength;function squaredLength(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z}},{}],29:[function(require,module,exports){module.exports=subtract;function subtract(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];out[2]=a[2]-b[2];return out}},{}],30:[function(require,module,exports){module.exports=transformMat3;function transformMat3(out,a,m){var x=a[0],y=a[1],z=a[2];out[0]=x*m[0]+y*m[3]+z*m[6];out[1]=x*m[1]+y*m[4]+z*m[7];out[2]=x*m[2]+y*m[5]+z*m[8];return out}},{}],31:[function(require,module,exports){module.exports=transformMat4;function transformMat4(out,a,m){var x=a[0],y=a[1],z=a[2],w=m[3]*x+m[7]*y+m[11]*z+m[15];w=w||1;out[0]=(m[0]*x+m[4]*y+m[8]*z+m[12])/w;out[1]=(m[1]*x+m[5]*y+m[9]*z+m[13])/w;out[2]=(m[2]*x+m[6]*y+m[10]*z+m[14])/w;return out}},{}],32:[function(require,module,exports){module.exports=transformQuat;function transformQuat(out,a,q){var x=a[0],y=a[1],z=a[2],qx=q[0],qy=q[1],qz=q[2],qw=q[3],ix=qw*x+qy*z-qz*y,iy=qw*y+qz*x-qx*z,iz=qw*z+qx*y-qy*x,iw=-qx*x-qy*y-qz*z;out[0]=ix*qw+iw*-qx+iy*-qz-iz*-qy;out[1]=iy*qw+iw*-qy+iz*-qx-ix*-qz;out[2]=iz*qw+iw*-qz+ix*-qy-iy*-qx;return out}},{}],"gl-vec3":[function(require,module,exports){module.exports={create:require("./create"),clone:require("./clone"),angle:require("./angle"),fromValues:require("./fromValues"),copy:require("./copy"),set:require("./set"),add:require("./add"),subtract:require("./subtract"),multiply:require("./multiply"),divide:require("./divide"),min:require("./min"),max:require("./max"),scale:require("./scale"),scaleAndAdd:require("./scaleAndAdd"),distance:require("./distance"),squaredDistance:require("./squaredDistance"),length:require("./length"),squaredLength:require("./squaredLength"),negate:require("./negate"),inverse:require("./inverse"),normalize:require("./normalize"),dot:require("./dot"),cross:require("./cross"),lerp:require("./lerp"),random:require("./random"),transformMat4:require("./transformMat4"),transformMat3:require("./transformMat3"),transformQuat:require("./transformQuat"),rotateX:require("./rotateX"),rotateY:require("./rotateY"),rotateZ:require("./rotateZ"),forEach:require("./forEach")}},{"./add":1,"./angle":2,"./clone":3,"./copy":4,"./create":5,"./cross":6,"./distance":7,"./divide":8,"./dot":9,"./forEach":10,"./fromValues":11,"./inverse":12,"./length":13,"./lerp":14,"./max":15,"./min":16,"./multiply":17,"./negate":18,"./normalize":19,"./random":20,"./rotateX":21,"./rotateY":22,"./rotateZ":23,"./scale":24,"./scaleAndAdd":25,"./set":26,"./squaredDistance":27,"./squaredLength":28,"./subtract":29,"./transformMat3":30,"./transformMat4":31,"./transformQuat":32}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({"gl-wireframe":[function(require,module,exports){module.exports=wireframe;function wireframe(cells){var newcells=[];for(var i=0;i<cells.length;i++){var cell=cells[i];var a=cell[0];var b=cell[1];var c=cell[2];if(a!==null&&b!==null)newcells.push(a,b);if(b!==null&&c!==null)newcells.push(b,c);if(a!==null&&c!==null)newcells.push(c,a)}return newcells}},{}]},{},[]);var Glam=require("glam");var Bunny=require("bunny");var Normals=require("normals");var Vec3=require("gl-vec3");var CreateVignette=require("gl-vignette-background");var WireframeCells=require("gl-wireframe");Glam.Engine(function(engine,scene){var camera=Glam.PerspectiveCamera();var mesh=createBunnyMesh(scene);var lights=createLights(scene);scene.add(camera);createAndRenderBackground(engine.renderer);engine.on("update",function(event){mesh.euler[1]=event.elapsed*.001;mesh.euler[0]=Math.sin(event.elapsed*1e-4);scene.render(camera)})});function createLights(scene){var lights=[];lights[0]=Glam.DirectionalLight({color:[.8,.5,.3],direction:[.5,-.5,.5]});lights[1]=Glam.DirectionalLight({color:[.9,.9,1],direction:[0,1,0]});lights[2]=Glam.DirectionalLight({color:[.1,.3,.4],direction:[-.5,-.3,.2]});lights.forEach(function(light){Vec3.scale(light.color,light.color,.5);scene.add(light)});return lights}function createBunnyMesh(scene){var material=Glam.LitMaterial({color:[.5,.5,.5]}).use(Glam.LambertAugment,{diffuse:[1,1,1]});Bunny.normals=Normals.vertexNormals(Bunny.cells,Bunny.positions);var geometry=Glam.Geometry(Bunny);geometry.data.cells=WireframeCells(Bunny.cells);material.mode="LINES";var mesh=Glam.Mesh(geometry,material);mesh.position[1]=-5;mesh.position[2]=-20;scene.add(mesh);return mesh}function createAndRenderBackground(renderer){var gl=renderer.gl;var background=CreateVignette(gl);background.style({color1:[.45,.48,.5],color2:[0,.05,.1],smoothing:[-.5,1],noiseAlpha:.1,offset:[0,-.25]});renderer.on("beforerender",function(){gl.disable(gl.DEPTH_TEST);background.draw();gl.enable(gl.DEPTH_TEST)})} |
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| { | |
| "name": "lit-wireframe", | |
| "descriptiond": "Lit Wireframe for Glam", | |
| "license": "MIT", | |
| "dependencies": { | |
| "glam": "2.0.0", | |
| "bunny": "^1.0.1", | |
| "normals": "^1.0.1", | |
| "gl-vignette-background": "^2.0.0", | |
| "gl-wireframe": "^1.0.1" | |
| }, | |
| "id": "4e8ac0bdeda22c4d62a9", | |
| "requireBinUrl": "http://requirebin.com/?gist=TatumCreative/4e8ac0bdeda22c4d62a9", | |
| "gistUrl": "https://gist.github.com/TatumCreative/4e8ac0bdeda22c4d62a9" | |
| } |
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