// GLOW.js r1.1 - http://github.com/empaempa/GLOW
var GLOW=function(){function b(a,c,b){this.flags=a;this.callback=c;this.context=b}var a={},c={},f=-1,e=[];b.prototype.dispatch=function(a,c){this.flags===a&&(this.context?this.callback.call(this.context,c):this.callback(c))};a.LOGS=1;a.WARNINGS=2;a.ERRORS=4;a.logFlags=a.ERRORS;a.currentContext={};a.registerContext=function(b){c[b.id]=b;a.enableContext(b)};a.getContextById=function(b){if(c[b])return c[b];GLOW.error("Couldn't find context id "+b+", returning current with id "+a.currentContext.id);return a.currentContext};
a.enableContext=function(c){a.currentContext=typeof c==="string"?getContextById(c):c;GL=a.GL=a.currentContext.GL};a.uniqueId=function(){return++f};a.log=function(c){a.logFlags&a.LOGS&&console.log(c);a.dispatch(a.LOGS,c)};a.warn=function(c){a.logFlags&a.WARNINGS&&console.warn(c);a.dispatch(a.WARNINGS,c)};a.error=function(c){a.logFlags&a.ERRORS&&console.error(c);a.dispatch(a.ERRORS,c)};a.addEventListener=function(a,c,f){e.push(new b(a,c,f));return e[e.length-1]};a.removeEventListener=function(c){c=
e.indexOf(c);c!==-1?e.splice(c,1):a.warn("GLOW.removeEventListener: Couldn't find listener object")};a.dispatch=function(a,c){for(var b=e.length;b--;)e[b].dispatch(a,c)};return a}(),GL={};
GLOW.Context=function(){function b(a){a===void 0&&(a={});this.id=a.id!==void 0?a.id:GLOW.uniqueId();this.alpha=a.alpha!==void 0?a.alpha:!0;this.depth=a.depth!==void 0?a.depth:!0;this.antialias=a.antialias!==void 0?a.antialias:!0;this.stencil=a.stencil!==void 0?a.stencil:!1;this.premultipliedAlpha=a.premultipliedAlpha!==void 0?a.premultipliedAlpha:!0;this.preserveDrawingBuffer=a.preserveDrawingBuffer!==void 0?a.preserveDrawingBuffer:!1;this.width=a.width!==void 0?a.width:window.innerWidth;this.height=
a.height!==void 0?a.height:window.innerHeight;this.cache=new GLOW.Cache;this.debug=a.debug!==void 0?a.debug:!1;if(a.context)this.GL=a.context,GLOW.registerContext(this);else{try{this.domElement=document.createElement("canvas");if(this.debug&&window.WebGLDebugUtils)this.domElement=WebGLDebugUtils.makeLostContextSimulatingCanvas(this.domElement);this.GL=this.domElement.getContext("experimental-webgl",{alpha:this.alpha,depth:this.depth,antialias:this.antialias,stencil:this.stencil,premultipliedAlpha:this.premultipliedAlpha,
preserveDrawingBuffer:this.preserveDrawingBuffer})}catch(c){GLOW.error("GLOW.Context.construct: "+c)}if(this.GL!==null){GLOW.registerContext(this);this.domElement.width=this.width;this.domElement.height=this.height;this.viewport=a.viewport?{x:a.viewport.x!==void 0?a.viewport.x:0,y:a.viewport.y!==void 0?a.viewport.y:0,width:a.viewport.width!==void 0?a.viewport.width:this.width,height:a.viewport.height!==void 0?a.viewport.height:this.height}:{x:0,y:0,width:this.width,height:this.height};if(a.clear){if(this.clearSettings=
{r:a.clear.red!==void 0?a.clear.red:0,g:a.clear.green!==void 0?a.clear.green:0,b:a.clear.blue!==void 0?a.clear.blue:0,a:a.clear.alpha!==void 0?a.clear.alpha:1,depth:a.clear.depth!==void 0?a.clear.depth:1,bits:a.clear.bits!==void 0?a.clear.bits:-1},this.clearSettings.bits===-1)this.clearSettings.bits=GL.COLOR_BUFFER_BIT,this.clearSettings.bits|=this.depth?GL.DEPTH_BUFFER_BIT:0,this.clearSettings.bits|=this.stencil?GL.STENCIL_BUFFER_BIT:0}else this.clearSettings={r:0,g:0,b:0,a:1,depth:1,bits:0},this.clearSettings.bits=
GL.COLOR_BUFFER_BIT,this.clearSettings.bits|=this.depth?GL.DEPTH_BUFFER_BIT:0,this.clearSettings.bits|=this.stencil?GL.STENCIL_BUFFER_BIT:0;this.enableCulling(!0,{frontFace:GL.CCW,cullFace:GL.BACK});this.enableDepthTest(!0,{func:GL.LEQUAL,write:!0,zNear:0,zFar:1});this.enableBlend(!1);this.setViewport();this.clear()}else GLOW.error("GLOW.Context.construct: unable to initialize WebGL")}}b.prototype.setupClear=function(a){if(a!==void 0)this.clearSettings.r=a.red!==void 0?Math.min(1,Math.max(0,a.red)):
this.clearSettings.r,this.clearSettings.g=a.green!==void 0?Math.min(1,Math.max(0,a.green)):this.clearSettings.g,this.clearSettings.b=a.blue!==void 0?Math.min(1,Math.max(0,a.blue)):this.clearSettings.b,this.clearSettings.a=a.alpha!==void 0?Math.min(1,Math.max(0,a.alpha)):this.clearSettings.a,this.clearSettings.depth=a.depth!==void 0?Math.min(1,Math.max(0,a.depth)):this.clearSettings.depth,this.clearSettings.bits=a.bits!==void 0?a.bits:this.clearSettings.bits;GL.clearColor(this.clearSettings.r,this.clearSettings.g,
this.clearSettings.b,this.clearSettings.a);GL.clearDepth(this.clearSettings.depth);return this};b.prototype.clear=function(a){this.setupClear(a);GL.clear(this.clearSettings.bits);return this};b.prototype.enableBlend=function(a,c){a?(GL.enable(GL.BLEND),c&&this.setupBlend(c)):GL.disable(GL.BLEND);return this};b.prototype.setupBlend=function(a){a.equationRGB?(a.equationAlpha&&GL.blendEquationSeparate(a.equationRGB,a.equationAlpha),a.srcRGB&&GL.blendFuncSeparate(a.srcRGB,a.dstRGB,a.srcAlpha,a.dstAlpha)):
(a.equation&&GL.blendEquation(a.equation),a.src&&GL.blendFunc(a.src,a.dst));return this};b.prototype.enableDepthTest=function(a,c){a?(GL.enable(GL.DEPTH_TEST),c&&this.setupDepthTest(c)):GL.disable(GL.DEPTH_TEST);return this};b.prototype.setupDepthTest=function(a){a.func!==void 0&&GL.depthFunc(a.func);a.write!==void 0&&GL.depthMask(a.write);a.zNear!==void 0&&a.zFar!==void 0&&a.zNear<=a.zFar&&GL.depthRange(Math.max(0,Math.min(1,a.zNear)),Math.max(0,Math.min(1,a.zFar)));return this};b.prototype.enablePolygonOffset=
function(a,c){a?(GL.enable(GL.POLYGON_OFFSET_FILL),c&&this.setupPolygonOffset(c)):GL.disable(GL.POLYGON_OFFSET_FILL);return this};b.prototype.setupPolygonOffset=function(a){a.factor&&a.units&&GL.polygonOffset(a.factor,a.units)};b.prototype.enableStencilTest=function(a,c){a?(GL.enable(GL.STENCIL_TEST),c&&this.setupStencilTest(c)):GL.disable(GL.STENCIL_TEST);return this};b.prototype.setupStencilTest=function(a){a.func&&a.funcFace?GL.stencilFuncSeparate(a.funcFace,a.func,a.funcRef,a.funcMask):a.func&&
GL.stencilFunc(a.func,a.funcRef,a.funcMask);a.mask&&a.maskFace?GL.stencilMaskSeparate(a.maskFace,a.mask):a.mask&&GL.stencilMask(a.mask);a.opFail&&a.opFace?GL.stencilOpSeparate(a.opFace,a.opFail,a.opZfail,a.opZpass):a.opFail&&GL.stencilOp(a.opFail,a.opZfail,a.opZpass);return this};b.prototype.enableCulling=function(a,c){a?(GL.enable(GL.CULL_FACE),c&&this.setupCulling(c)):GL.disable(GL.CULL_FACE);return this};b.prototype.setupCulling=function(a){try{a.frontFace&&GL.frontFace(a.frontFace),a.cullFace&&
GL.cullFace(a.cullFace)}catch(c){GLOW.error("GLOW.Context.setupCulling: "+c)}return this};b.prototype.enableScissor=function(a,c){a?(GL.enable(GL.SCISSOR_TEST),c&&this.setupScissor(c)):GL.disable(GL.SCISSOR_TEST);return this};b.prototype.setupScissor=function(a){try{GL.scissor(a.x,a.y,a.width,a.height)}catch(c){GLOW.error("GLOW.Context.setupScissorTest: "+c)}return this};b.prototype.setViewport=function(){this.setupViewport()};b.prototype.setupViewport=function(a){if(a)this.viewport.x=a.x!==void 0?
a.x:this.viewport.x,this.viewport.y=a.y!==void 0?a.y:this.viewport.y,this.viewport.width=a.width!==void 0?a.width:this.viewport.width,this.viewport.height=a.height!==void 0?a.height:this.viewport.height;GL.viewport(this.viewport.x,this.viewport.y,this.viewport.width,this.viewport.height);return this};b.prototype.availableExtensions=function(){return GL.getSupportedExtensions()};b.prototype.enableExtension=function(a){for(var c=GL.getSupportedExtensions(),b=0,e=c.length;b<e;b++)if(a.toLowerCase()===
c[b].toLowerCase())break;if(b!==e)return GL.getExtension(c[b])};b.prototype.getParameter=function(a){return GL.getParameter(a)};b.prototype.maxVertexTextureImageUnits=function(){return this.getParameter(GL.MAX_VERTEX_TEXTURE_IMAGE_UNITS)};b.prototype.resize=function(a,c){var b=c/this.height;this.viewport.width*=a/this.width;this.viewport.height*=b;this.domElement.width=this.width=a;this.domElement.height=this.height=c};return b}();
GLOW.Compiler=function(){var b={};b.compile=function(a){var c=GLOW.currentContext.cache.codeCompiled(a.vertexShader,a.fragmentShader);c===void 0&&(c=b.linkProgram(b.compileVertexShader(a.vertexShader),b.compileFragmentShader(a.fragmentShader)),GLOW.currentContext.cache.addCompiledProgram(c));var f=b.createUniforms(b.extractUniforms(c),a.data),e=b.createAttributes(b.extractAttributes(c),a.data,a.usage,a.interleave),h=b.interleaveAttributes(e,a.interleave);if(a.elements)GLOW.error("GLOW.Compiler.compile: .elements is no longer supported, please use .indices combined with .primitives");
else{var g=a.indices,i=a.primitives!==void 0?a.primitives:GL.TRIANGLES,j=a.usage!==void 0?a.usage:{},k=j.primitives;if(a.triangles)g=a.triangles,k=j.triangles;else if(a.triangleStrip)g=a.triangleStrip,i=GL.TRIANGLE_STRIP,k=j.triangleStrip;else if(a.triangleFan)g=a.triangleFan,i=GL.TRIANGLE_FAN,k=j.triangleFan;else if(a.points)g=a.points,i=GL.POINTS,k=j.points;else if(a.lines)g=a.lines,i=GL.LINES,k=j.lines;else if(a.lineLoop)g=a.lineLoop,i=GL.LINE_LOOP,k=j.lineLoop;else if(a.lineStrip)g=a.lineStrip,
i=GL.LINE_STRIP,k=j.lineStrip;if(g===void 0){for(var l in e)if(e[l].data){g=e[l].data.length/e[l].size;break}if(g===void 0)for(var m in h){for(l in h[m].attributes){g=h[m].attributes[l].data.length/h[m].attributes[l].size;break}break}g===void 0&&(g=0)}g=b.createElements(g,i,k);return new GLOW.CompiledData(c,f,e,h,g,a)}};b.compileVertexShader=function(a){var c;c=GL.createShader(GL.VERTEX_SHADER);c.id=GLOW.uniqueId();GL.shaderSource(c,a);GL.compileShader(c);!GL.getShaderParameter(c,GL.COMPILE_STATUS)&&
!GL.isContextLost()&&GLOW.error("GLOW.Compiler.compileVertexShader: "+GL.getShaderInfoLog(c));return c};b.compileFragmentShader=function(a){var c;c=GL.createShader(GL.FRAGMENT_SHADER);c.id=GLOW.uniqueId();GL.shaderSource(c,a);GL.compileShader(c);!GL.getShaderParameter(c,GL.COMPILE_STATUS)&&!GL.isContextLost()&&GLOW.error("GLOW.Compiler.compileFragmentShader: "+GL.getShaderInfoLog(c));return c};b.linkProgram=function(a,c){var b=GL.createProgram();b||GLOW.error("GLOW.Compiler.linkProgram: Could not create program");
b.id=GLOW.uniqueId();GL.attachShader(b,a);GL.attachShader(b,c);GL.linkProgram(b);!GL.getProgramParameter(b,GL.LINK_STATUS)&&!GL.isContextLost()&&GLOW.error("GLOW.Compiler.linkProgram: Could not initialise program");return b};b.extractUniforms=function(a){for(var c={},b,e=0,h=GL.getProgramParameter(a,GL.ACTIVE_UNIFORMS);e<h;e++)if(b=GL.getActiveUniform(a,e),b!==null&&b!==-1&&b!==void 0)b={name:b.name.split("[")[0],size:b.size,type:b.type,location:GL.getUniformLocation(a,b.name.split("[")[0]),locationNumber:e},
c[b.name]=b;else break;return c};b.extractAttributes=function(a){for(var c={},b,e=0,h=GL.getProgramParameter(a,GL.ACTIVE_ATTRIBUTES);e<h;e++)if(b=GL.getActiveAttrib(a,e),b!==null&&b!==-1&&b!==void 0)b={name:b.name,size:b.size,type:b.type,location:GL.getAttribLocation(a,b.name),locationNumber:e},c[b.name]=b;else break;a.highestAttributeNumber=e-1;return c};b.createUniforms=function(a,c){var b,e={},h,g,i=0;for(b in a)if(h=a[b],g=h.name,c[g]instanceof GLOW.Uniform)e[g]=c[g];else if(c[g]===void 0&&GLOW.warn("GLOW.Compiler.createUniforms: missing data for uniform "+
g+". Creating anyway, but make sure to set data before drawing."),e[g]=new GLOW.Uniform(h,c[g]),e[g].type===GL.SAMPLER_2D||e[g].type===GL.SAMPLER_CUBE)e[g].textureUnit=i++,e[g].data!==void 0&&e[g].data.init();return e};b.createAttributes=function(a,c,b,e){var h,g,i,j={},k=!0,e=e!==void 0?e:{};e===!1&&(k=!1);b=b!==void 0?b:{};for(h in a)g=a[h],i=g.name,c[i]instanceof GLOW.Attribute?j[i]=c[i]:(c[i]===void 0&&GLOW.warn("GLOW.Compiler.createAttributes: missing data for attribute "+i+". Creating anyway, but make sure to set data before drawing."),
j[i]=new GLOW.Attribute(g,c[i],b[i],e[i]!==void 0?e[i]:k));return j};b.interleaveAttributes=function(a,c){c=c!==void 0?c:{};if(c===!1)return{};var b,e,h,g,i;h=0;var j=[];e=0;for(b in a)e++;if(e===1)for(b in a){if(a[b].interleaved===!0)a[b].interleaved=!1,a[b].data&&a[b].bufferData()}else{for(b in a)c[b]!==void 0&&c[b]!==!1&&(h=Math.max(h-1,c[b])+1);for(b in a)c[b]===void 0&&(c[b]=h);for(i in c)c[i]!==!1&&(j[c[i]]===void 0&&(j[c[i]]=[]),j[c[i]].push(a[i]));var k,l;b=0;for(e=j.length;b<e;b++)if(j[b]!==
void 0){h=k=0;for(g=j[b].length;h<g;h++)if(k+j[b][h].size*4>255){GLOW.warn("GLOW.Compiler.interleaveAttributes: Stride owerflow, moving attributes to new interleave index. Please check your interleave setup!");l=j.length;for(j[l]=[];h<g;)j[l].push(j[b][h]),j[b].splice(h,1),g--}else k+=j[b][h].size*4}l={};b=0;for(e=j.length;b<e;b++)if(j[b]!==void 0){k="";h=0;for(g=j[b].length;h<g;h++)k+=h!==g-1?j[b][h].name+"_":j[b][h].name;l[k]=new GLOW.InterleavedAttributes(j[b])}for(i in c)c[i]!==!1&&delete a[i];
return l}};b.createElements=function(a,c,b){return a instanceof GLOW.Elements?a:new GLOW.Elements(a,c,b)};return b}();
GLOW.CompiledData=function(){function b(a,c,b,e,h){this.id=GLOW.uniqueId();this.program=a;this.uniforms=c||{};this.attributes=b||{};this.interleavedAttributes=e||{};this.elements=h;this.interleavedAttributeArray=this.attributeArray=this.uniformArray=void 0;this.createArrays()}b.prototype.createArrays=function(){this.uniformArray=[];this.attributeArray=[];this.interleavedAttributeArray=[];var a,c,b;for(a in this.uniforms)this.uniformArray.push(this.uniforms[a]);for(c in this.attributes)this.attributeArray.push(this.attributes[c]);
for(b in this.interleavedAttributes)this.interleavedAttributeArray.push(this.interleavedAttributes[b])};b.prototype.clone=function(a){var c=new GLOW.CompiledData,a=a||{},b;for(b in this.uniforms)if(a[b])if(a[b]instanceof GLOW.Uniform)c.uniforms[b]=a[b];else{if(c.uniforms[b]=new GLOW.Uniform(this.uniforms[b],a[b]),c.uniforms[b].type===GL.SAMPLER_2D||c.uniforms[b].type===GL.SAMPLER_CUBE)c.uniforms[b].textureUnit=this.uniforms[b].textureUnit,c.uniforms[b].data&&c.uniforms[b].data.init()}else c.uniforms[b]=
this.uniforms[b];for(var e in this.attributes)c.attributes[e]=a[e]?a[e]instanceof GLOW.Attribute?a[e]:new GLOW.Attribute(this.attributes[e],a[e]):this.attributes[e];for(var h in this.interleavedAttributes)c.interleavedAttributes[h]=a[h]?a[h]:this.interleavedAttributes[h];c.elements=a.indices?new GLOW.Elements(a.indices,a.primitives):a.elements instanceof GLOW.Elements?a.elements:this.elements;c.program=a.program?a.program:this.program;c.createArrays();return c};b.prototype.dispose=function(a,c,b){if(a){for(a=
this.uniformArray.length;a--;)this.uniformArray[a].dispose(b);for(b=this.attributeArray.length;b--;)this.attributeArray[b].dispose();for(b=this.interleavedAttributeArray.length;b--;)this.interleavedAttributeArray[b].dispose();this.elements.dispose()}if(c&&GL.isProgram(this.program)&&(c=GL.getAttachedShaders(this.program))){for(b=c.length;b--;)GL.detachShader(this.program,c[b]),GL.deleteShader(c[b]);GL.deleteProgram(this.program)}delete this.program;delete this.uniforms;delete this.attributes;delete this.interleavedAttributes;
delete this.elements;delete this.uniformArray;delete this.attributeArray;delete this.interleavedAttributeArray};return b}();
GLOW.Cache=function(){function b(){this.highestAttributeNumber=-1;this.uniformByLocation=[];this.attributeByLocation=[];this.textureByLocation=[];this.compiledCode=[];this.programId=this.elementId=-1;this.active=!0}b.prototype.codeCompiled=function(a,c){var b,e,h=this.compiledCode.length;for(e=0;e<h;e++)if(b=this.compiledCode[e],a===b.vertexShader&&c===b.fragmentShader)break;if(e===h)this.compiledCode.push({vertexShader:a,fragmentShader:c});else return this.compiledCode[e].program};b.prototype.addCompiledProgram=
function(a){this.compiledCode[this.compiledCode.length-1].program=a};b.prototype.programCached=function(a){if(this.active){if(a.id===this.programId)return!0;this.programId=a.id;this.uniformByLocation.length=0;this.attributeByLocation.length=0;this.textureByLocation.length=0;this.elementId=-1}return!1};b.prototype.setProgramHighestAttributeNumber=function(a){var c=this.highestAttributeNumber;this.highestAttributeNumber=a.highestAttributeNumber;return a.highestAttributeNumber-c};b.prototype.uniformCached=
function(a){if(this.active){if(this.uniformByLocation[a.locationNumber]===a.id)return!0;this.uniformByLocation[a.locationNumber]=a.id}return!1};b.prototype.invalidateUniform=function(a){this.uniformByLocation[a.locationNumber]=void 0};b.prototype.attributeCached=function(a){if(this.active){if(this.attributeByLocation[a.locationNumber]===a.id)return!0;this.attributeByLocation[a.locationNumber]=a.id}return!1};b.prototype.interleavedAttributeCached=function(a){if(this.active)for(var c=0,b=a.attributes.length,
e;c<b;c++){e=a.attributes[c];if(this.attributeByLocation[e.locationNumber]===e.id)return!0;this.attributeByLocation[e.locationNumber]=e.id}return!1};b.prototype.invalidateAttribute=function(a){this.attributeByLocation[a.locationNumber]=void 0};b.prototype.textureCached=function(a,c){if(this.active){if(this.textureByLocation[a]===c.id)return!0;this.textureByLocation[a]=c.id}return!1};b.prototype.invalidateTexture=function(a){this.textureByLocation[a]=void 0};b.prototype.elementsCached=function(a){if(this.active){if(a.id===
this.elementId)return!0;this.elementId=a.id}return!1};b.prototype.invalidateElements=function(){this.elementId=-1};b.prototype.clear=function(){this.highestAttributeNumber=-1;this.uniformByLocation.length=0;this.attributeByLocation.length=0;this.textureByLocation.length=0;this.programId=this.elementId=-1};return b}();
GLOW.FBO=function(){function b(a){a=a!==void 0?a:{};this.id=GLOW.uniqueId();this.width=a.width||a.size||window.innerWidth;this.height=a.height||a.size||window.innerHeight;this.wrapS=a.wrapS||a.wrap||GL.CLAMP_TO_EDGE;this.wrapT=a.wrapT||a.wrap||GL.CLAMP_TO_EDGE;this.magFilter=a.magFilter||a.filter||GL.LINEAR;this.minFilter=a.minFilter||a.filter||GL.LINEAR;this.internalFormat=a.internalFormat||GL.RGBA;this.format=a.format||GL.RGBA;this.type=a.type||GL.UNSIGNED_BYTE;this.depth=a.depth!==void 0?a.depth:
!0;this.stencil=a.stencil!==void 0?a.stencil:!1;this.data=a.data||null;this.isBound=!1;this.textureUnit=-1;this.textureType=a.cube!==!0?GL.TEXTURE_2D:GL.TEXTURE_CUBE_MAP;this.viewport=a.viewport?{x:a.viewport.x!==void 0?a.viewport.x:0,y:a.viewport.y!==void 0?a.viewport.y:0,width:a.viewport.width!==void 0?a.viewport.width:this.width,height:a.viewport.height!==void 0?a.viewport.height:this.height}:{x:0,y:0,width:this.width,height:this.height};if(a.clear){if(this.clearSettings={r:a.clear.red!==void 0?
a.clear.red:0,g:a.clear.green!==void 0?a.clear.green:0,b:a.clear.blue!==void 0?a.clear.blue:0,a:a.clear.alpha!==void 0?a.clear.alpha:1,depth:a.clear.depth!==void 0?a.clear.depth:1,bits:a.clear.bits!==void 0?a.clear.bits:-1},this.clearSettings.bits===-1)this.clearSettings.bits=GL.COLOR_BUFFER_BIT,this.clearSettings.bits|=this.depth?GL.DEPTH_BUFFER_BIT:0,this.clearSettings.bits|=this.stencil?GL.STENCIL_BUFFER_BIT:0}else this.clearSettings={r:0,g:0,b:0,a:1,depth:1,bits:0},this.clearSettings.bits=GL.COLOR_BUFFER_BIT,
this.clearSettings.bits|=this.depth?GL.DEPTH_BUFFER_BIT:0,this.clearSettings.bits|=this.stencil?GL.STENCIL_BUFFER_BIT:0;this.createBuffers()}var a={posX:0,negX:1,posY:2,negY:3,posZ:4,negZ:5};b.prototype.createBuffers=function(){this.texture=GL.createTexture();var c=GL.getError();if(c!==GL.NO_ERROR&&c!==GL.CONTEXT_LOST_WEBGL)GLOW.error("GLOW.FBO.createBuffers: Error creating render texture.");else{GL.bindTexture(this.textureType,this.texture);GL.texParameteri(this.textureType,GL.TEXTURE_WRAP_S,this.wrapS);
GL.texParameteri(this.textureType,GL.TEXTURE_WRAP_T,this.wrapT);GL.texParameteri(this.textureType,GL.TEXTURE_MAG_FILTER,this.magFilter);GL.texParameteri(this.textureType,GL.TEXTURE_MIN_FILTER,this.minFilter);if(this.textureType===GL.TEXTURE_2D)this.data===null||this.data instanceof Uint8Array||this.data instanceof Float32Array?GL.texImage2D(this.textureType,0,this.internalFormat,this.width,this.height,0,this.format,this.type,this.data):GL.texImage2D(this.textureType,0,this.internalFormat,this.format,
this.type,this.data);else for(var b in a)GL.texImage2D(GL.TEXTURE_CUBE_MAP_POSITIVE_X+a[b],0,this.internalFormat,this.width,this.height,0,this.format,this.type,this.data[b]);if(this.depth||this.stencil){this.renderBuffer=GL.createRenderbuffer();c=GL.getError();if(c!==GL.NO_ERROR&&c!==GL.CONTEXT_LOST_WEBGL){GLOW.error("GLOW.FBO.createBuffers: Error creating render buffer.");return}GL.bindRenderbuffer(GL.RENDERBUFFER,this.renderBuffer);this.depth&&!this.stencil?GL.renderbufferStorage(GL.RENDERBUFFER,
GL.DEPTH_COMPONENT16,this.width,this.height):!this.depth&&this.stencil?GL.renderbufferStorage(GL.RENDERBUFFER,GL.STENCIL_INDEX8,this.width,this.height):this.depth&&this.stencil&&GL.renderbufferStorage(GL.RENDERBUFFER,GL.DEPTH_STENCIL,this.width,this.height)}if(this.textureType===GL.TEXTURE_2D){this.frameBuffer=GL.createFramebuffer();c=GL.getError();if(c!==GL.NO_ERROR&&c!==GL.CONTEXT_LOST_WEBGL){GLOW.error("GLOW.FBO.createBuffers: Error creating frame buffer.");return}GL.bindFramebuffer(GL.FRAMEBUFFER,
this.frameBuffer);GL.framebufferTexture2D(GL.FRAMEBUFFER,GL.COLOR_ATTACHMENT0,GL.TEXTURE_2D,this.texture,0);this.depth&&!this.stencil?GL.framebufferRenderbuffer(GL.FRAMEBUFFER,GL.DEPTH_ATTACHMENT,GL.RENDERBUFFER,this.renderBuffer):!this.depth&&this.stencil?GL.framebufferRenderbuffer(GL.FRAMEBUFFER,GL.STENCIL_ATTACHMENT,GL.RENDERBUFFER,this.renderBuffer):this.depth&&this.stencil&&GL.framebufferRenderbuffer(GL.FRAMEBUFFER,GL.DEPTH_STENCIL_ATTACHMENT,GL.RENDERBUFFER,this.renderBuffer)}else{this.frameBuffers=
{};for(var e in a){this.frameBuffers[e]=GL.createFramebuffer();c=GL.getError();if(c!==GL.NO_ERROR&&c!==GL.CONTEXT_LOST_WEBGL){GLOW.error("GLOW.FBO.createBuffers: Error creating frame buffer for side "+e);return}GL.bindFramebuffer(GL.FRAMEBUFFER,this.frameBuffers[e]);GL.framebufferTexture2D(GL.FRAMEBUFFER,GL.COLOR_ATTACHMENT0,GL.TEXTURE_CUBE_MAP_POSITIVE_X+a[e],this.texture,0);this.depth&&!this.stencil?GL.framebufferRenderbuffer(GL.FRAMEBUFFER,GL.DEPTH_ATTACHMENT,GL.RENDERBUFFER,this.renderBuffer):
!this.depth&&this.stencil?GL.framebufferRenderbuffer(GL.FRAMEBUFFER,GL.STENCIL_ATTACHMENT,GL.RENDERBUFFER,this.renderBuffer):this.depth&&this.stencil&&GL.framebufferRenderbuffer(GL.FRAMEBUFFER,GL.DEPTH_STENCIL_ATTACHMENT,GL.RENDERBUFFER,this.renderBuffer)}}GL.bindTexture(this.textureType,null);GL.bindRenderbuffer(GL.RENDERBUFFER,null);GL.bindFramebuffer(GL.FRAMEBUFFER,null)}};b.prototype.deleteBuffers=function(){this.texture&&GL.deleteTexture(this.texture);this.renderBuffer&&GL.deleteRenderbuffer(this.renderBuffer);
if(this.textureType===GL.TEXTURE_2D)this.frameBuffer&&GL.deleteFramebuffer(this.frameBuffer);else for(var c in a)GL.deleteFramebuffer(this.frameBuffers[c])};b.prototype.init=function(){};b.prototype.bind=function(a,b){if(!this.isBound)this.isBound=!0,(a||a===void 0)&&this.setupViewport(a),this.textureType===GL.TEXTURE_2D?GL.bindFramebuffer(GL.FRAMEBUFFER,this.frameBuffer):GL.bindFramebuffer(GL.FRAMEBUFFER,this.frameBuffers[b!==void 0?b:"posX"]);return this};b.prototype.unbind=function(a){if(this.isBound)this.isBound=
!1,GL.bindFramebuffer(GL.FRAMEBUFFER,null),(a===void 0||a===!0)&&GL.viewport(GLOW.currentContext.viewport.x,GLOW.currentContext.viewport.y,GLOW.currentContext.viewport.width,GLOW.currentContext.viewport.height);return this};b.prototype.setViewport=function(){this.setupViewport()};b.prototype.setupViewport=function(a){if(a)this.viewport.x=a.x!==void 0?a.x:this.viewport.x,this.viewport.y=a.y!==void 0?a.y:this.viewport.y,this.viewport.width=a.width!==void 0?a.width:this.viewport.width,this.viewport.height=
a.height!==void 0?a.height:this.viewport.height;GL.viewport(this.viewport.x,this.viewport.y,this.viewport.width,this.viewport.height);return this};b.prototype.setupClear=function(a){if(a!==void 0)this.clearSettings.r=a.red!==void 0?Math.min(1,Math.max(0,a.red)):this.clearSettings.r,this.clearSettings.g=a.green!==void 0?Math.min(1,Math.max(0,a.green)):this.clearSettings.g,this.clearSettings.b=a.blue!==void 0?Math.min(1,Math.max(0,a.blue)):this.clearSettings.b,this.clearSettings.a=a.alpha!==void 0?
Math.min(1,Math.max(0,a.alpha)):this.clearSettings.a,this.clearSettings.depth=a.depth!==void 0?Math.min(1,Math.max(0,a.depth)):this.clearSettings.depth,this.clearSettings.bits=a.bits!==void 0?a.bits:this.clearSettings.bits;GL.clearColor(this.clearSettings.r,this.clearSettings.g,this.clearSettings.b,this.clearSettings.a);GL.clearDepth(this.clearSettings.depth);return this};b.prototype.clear=function(a){this.isBound&&(this.setupClear(a),GL.clear(this.clearSettings.bits));return this};b.prototype.resize=
function(a,b){var e=b/this.height;this.viewport.width*=a/this.width;this.viewport.height*=e;this.width=a;this.height=b;this.deleteBuffers();this.createBuffers();return this};b.prototype.generateMipMaps=function(){GL.bindTexture(this.textureType,this.texture);GL.generateMipmap(this.textureType);GL.bindTexture(this.textureType,null);return this};b.prototype.dispose=function(){this.deleteBuffers();delete this.data;delete this.viewport;delete this.texture;delete this.renderBuffer;delete this.frameBuffer;
delete this.frameBuffers;delete this.viewport;delete this.clearSettings};return b}();
GLOW.Texture=function(){function b(a){if(a.url!==void 0)a.data=a.url;this.id=GLOW.uniqueId();this.data=a.data;this.autoUpdate=a.autoUpdate;this.internalFormat=a.internalFormat||GL.RGBA;this.format=a.format||GL.RGBA;this.type=a.type||GL.UNSIGNED_BYTE;this.wrapS=a.wrapS||a.wrap||GL.REPEAT;this.wrapT=a.wrapT||a.wrap||GL.REPEAT;this.magFilter=a.magFilter||a.filter||GL.LINEAR;this.minFilter=a.minFilter||a.filter||GL.LINEAR_MIPMAP_LINEAR;this.width=a.width;this.height=a.height;this.onLoadComplete=a.onLoadComplete;
this.onLoadError=a.onLoadError;this.onLoadContext=a.onLoadContext;this.texture=void 0;this.flipY=a.flipY||0}var a={posX:0,negX:1,posY:2,negY:3,posZ:4,negZ:5};b.prototype.init=function(){if(this.texture!==void 0)return this;GL.pixelStorei(GL.UNPACK_FLIP_Y_WEBGL,this.flipY);if(this.data===void 0&&this.width!==void 0&&this.height!==void 0)this.data=this.type===GL.UNSIGNED_BYTE?new Uint8Array(this.width*this.height*(this.format===GL.RGBA?4:3)):new Float32Array(this.width*this.height*(this.format===GL.RGBA?
4:3));else if(typeof this.data==="string"){this.textureType=GL.TEXTURE_2D;var c=this.data,b=c.toLowerCase();if(b.indexOf(".jpg")!==-1||b.indexOf(".png")!==-1||b.indexOf(".gif")!==-1||b.indexOf("jpeg")!==-1)this.data=new Image,this.data.scope=this,this.data.onerror=this.onLoadError,this.data.onload=this.onLoadImage;else{if(this.autoUpdate===void 0)this.autoUpdate=!0;this.data=document.createElement("video");this.data.scope=this;this.data.addEventListener("loadeddata",this.onLoadVideo,!1)}this.data.src=
c}else if(this.data instanceof HTMLImageElement||this.data instanceof HTMLVideoElement||this.data instanceof HTMLCanvasElement||this.data instanceof Uint8Array||this.data instanceof Float32Array)this.textureType=GL.TEXTURE_2D,this.createTexture();else{this.textureType=GL.TEXTURE_CUBE_MAP;this.itemsToLoad=0;for(var e in a)this.data[e]!==void 0?typeof this.data[e]==="string"&&this.itemsToLoad++:GLOW.error("GLOW.Texture.init: data type error. Did you forget cube map "+e+"? If not, the data type is not supported");
if(this.itemsToLoad===0)this.createTexture();else for(e in a)if(typeof this.data[e]==="string")c=this.data[e],b=c.toLowerCase(),b.indexOf(".jpg")!==-1||b.indexOf(".png")!==-1||b.indexOf(".gif")!==-1||b.indexOf("jpeg")!==-1?(this.data[e]=new Image,this.data[e].scope=this,this.data[e].onload=this.onLoadCubeImage):(this.autoUpdate!==void 0?this.autoUpdate[e]=this.autoUpdate[e]!==void 0?this.autoUpdate[e]:!0:(this.autoUpdate={},this.autoUpdate[e]=!0),this.data[e]=document.createElement("video"),this.data[e].scope=
this,this.data[e].addEventListener("loadeddata",this.onLoadCubeVideo,!1)),this.data[e].src=c}return this};b.prototype.createTexture=function(){this.texture!==void 0&&GL.deleteTexture(this.texture);this.texture=GL.createTexture();GL.bindTexture(this.textureType,this.texture);if(this.textureType===GL.TEXTURE_2D)if(this.data instanceof Uint8Array||this.data instanceof Float32Array)if(this.width!==void 0&&this.height!==void 0)GL.texImage2D(this.textureType,0,this.internalFormat,this.width,this.height,
0,this.format,this.type,this.data);else{GLOW.error("GLOW.Texture.createTexture: Textures of type Uint8Array/Float32Array requires width and height parameters. Quitting.");return}else GL.texImage2D(this.textureType,0,this.internalFormat,this.format,this.type,this.data);else for(var c in a)if(this.data[c]instanceof Uint8Array||this.data[c]instanceof Float32Array)if(this.width!==void 0&&this.height!==void 0)GL.texImage2D(GL.TEXTURE_CUBE_MAP_POSITIVE_X+a[c],0,this.internalFormat,this.width,this.height,
0,this.format,this.type,this.data[c]);else{GLOW.error("GLOW.Texture.createTexture: Textures of type Uint8Array/Float32Array requires width and height parameters. Quitting.");return}else GL.texImage2D(GL.TEXTURE_CUBE_MAP_POSITIVE_X+a[c],0,this.internalFormat,this.format,this.type,this.data[c]);GL.texParameteri(this.textureType,GL.TEXTURE_WRAP_S,this.wrapS);GL.texParameteri(this.textureType,GL.TEXTURE_WRAP_T,this.wrapT);GL.texParameteri(this.textureType,GL.TEXTURE_MIN_FILTER,this.minFilter);GL.texParameteri(this.textureType,
GL.TEXTURE_MAG_FILTER,this.magFilter);this.minFilter!==GL.NEAREST&&this.minFilter!==GL.LINEAR&&GL.generateMipmap(this.textureType);return this};b.prototype.updateTexture=function(c){if(this.texture!==void 0){var c=c!==void 0?c:{},b=c.level||0,e=c.xOffset||0,h=c.yOffset||0,g=c.updateMipmap!==void 0?c.updateMipmap:!0;this.data=c.data||this.data;GL.bindTexture(this.textureType,this.texture);if(this.textureType==GL.TEXTURE_2D)this.data instanceof Uint8Array?GL.texSubImage2D(this.textureType,b,e,h,this.width,
this.height,this.format,this.type,this.data):GL.texSubImage2D(this.textureType,b,e,h,this.format,this.type,this.data);else for(var i in c)a[i]!==void 0&&(this.data[i]instanceof Uint8Array?GL.texSubImage2D(GL.TEXTURE_CUBE_MAP_POSITIVE_X+a[i],b,e,h,this.width,this.height,this.format,this.type,this.data[i]):GL.texSubImage2D(GL.TEXTURE_CUBE_MAP_POSITIVE_X+a[i],b,e,h,this.format,this.type,this.data[i]));this.minFilter!==GL.NEAREST&&this.minFilter!==GL.LINEAR&&g===!0&&GL.generateMipmap(this.textureType)}};
b.prototype.swapTexture=function(a){this.dispose();this.data=a;this.init()};b.prototype.onLoadImage=function(){this.scope.createTexture();this.scope.onLoadComplete&&this.scope.onLoadComplete.call(this.scope.onLoadContext,this.scope)};b.prototype.onLoadError=function(){this.scope.onLoadError&&this.scope.onLoadError.call(this.scope.onLoadContext,this.scope)};b.prototype.onLoadCubeImage=function(){this.scope.itemsToLoad--;this.scope.itemsToLoad===0&&this.scope.createTexture()};b.prototype.onLoadVideo=
function(){this.removeEventListener("loadeddata",this.scope.onLoadVideo,!1);this.scope.createTexture()};b.prototype.onLoadCubeVideo=function(){this.removeEventListener("loadeddata",this.scope.onLoadVideo,!1);this.scope.itemsToLoad--;this.scope.itemsToLoad===0&&this.scope.createTexture()};b.prototype.play=function(){if(this.textureType===GL.TEXTURE_2D)this.data instanceof HTMLVideoElement&&this.data.play();else for(var c in a)this.data[c]instanceof HTMLVideoElement&&this.data[c].play()};b.prototype.dispose=
function(){if(this.texture!==void 0)GL.deleteTexture(this.texture),this.texture=void 0;this.data=void 0};return b}();
GLOW.Shader=function(){function b(a){this.id=GLOW.uniqueId();this.compiledData=a.use?a.use.clone(a.except):GLOW.Compiler.compile(a);this.uniforms=this.compiledData.uniforms;this.elements=this.compiledData.elements;this.program=this.compiledData.program;this.attachData()}b.prototype.attachData=function(){var a,c,b;for(a in this.uniforms)this[a]===void 0?this.uniforms[a].data!==void 0?this[a]=this.uniforms[a].data:GLOW.warn("GLOW.Shader.attachUniformAndAttributeData: no data for uniform "+a+", not attaching for easy access. Please use Shader.uniforms."+
a+".data to set data."):this[a]!==this.uniforms[a].data&&GLOW.warn("GLOW.Shader.attachUniformAndAttributeData: name collision on uniform "+a+", not attaching for easy access. Please use Shader.uniforms."+a+".data to access data.");for(c in this.compiledData.attributes){if(this.attributes===void 0)this.attributes=this.compiledData.attributes;this[c]===void 0?this[c]=this.compiledData.attributes[c]:this[c]!==this.compiledData.attributes[c]&&GLOW.warn("GLOW.Shader.attachUniformAndAttributeData: name collision on attribute "+
c+", not attaching for easy access. Please use Shader.attributes."+c+".data to access data.")}for(b in this.compiledData.interleavedAttributes){if(this.interleavedAttributes===void 0)this.interleavedAttributes=this.compiledData.interleavedAttributes;this[b]===void 0?this[b]=this.compiledData.interleavedAttributes[b]:this[b]!==this.compiledData.interleavedAttributes[b]&&GLOW.warn("GLOW.Shader.attachUniformAndAttributeData: name collision on interleavedAttribute "+c+", not attaching for easy access. Please use Shader.interleavedAttributes."+
c+".data to access data.")}};b.prototype.draw=function(){var a=this.compiledData,c=GLOW.currentContext.cache,b=c.attributeByLocation,e=c.uniformByLocation,h=a.attributeArray,g=a.interleavedAttributeArray,i=a.uniformArray,j,k,l,m;if(!c.programCached(a.program)&&(GL.useProgram(a.program),j=c.setProgramHighestAttributeNumber(a.program)))if(k=a.program.highestAttributeNumber,l=k-j+1,j>0)for(;l<=k;l++)GL.enableVertexAttribArray(l);else for(l--;l>k;l--)GL.disableVertexAttribArray(l);if(c.active){for(c=
h.length;c--;)if(j=h[c],j.interleaved===!1&&b[j.locationNumber]!==j.id)b[j.locationNumber]=j.id,j.bind();for(c=g.length;c--;){h=g[c];k=h.attributes;l=k.length;for(m=!1;l--;){j=k[l];if(b[j.locationNumber]===j.id){m=!0;break}b[j.locationNumber]=j.id}m||h.bind()}for(c=i.length;c--;)if(b=i[c],e[b.locationNumber]!==b.id)e[b.locationNumber]=b.id,b.load()}else{for(c=h.length;c--;)h[c].interleaved===!1&&h[c].bind();for(c=g.length;c--;)g[c].bind();for(c=i.length;c--;)i[c].load()}a.elements.draw()};b.prototype.clone=
function(a){return new GLOW.Shader({use:this.compiledData,except:a})};b.prototype.applyUniformData=function(a,c){if(this.compiledData.uniforms[a]!==void 0){this[a]=c;this.compiledData.uniforms[a].data=c;for(var b=this.compiledData.uniformArray.length;b--;)if(this.compiledData.uniformArray[b].name===a){this.compiledData.uniformArray[b].data=c;break}}};b.prototype.dispose=function(a,c,b){var e,h,g;for(e in this.compiledData.uniforms)delete this[e];for(h in this.compiledData.attributes)delete this[h];
for(g in this.compiledData.interleavedAttributes)delete this[g];delete this.program;delete this.elements;delete this.uniforms;delete this.attributes;delete this.interleavedAttributes;this.compiledData.dispose(a,c,b);delete this.compiledData};return b}();
GLOW.Elements=function(){function b(a,c,b,e){this.id=GLOW.uniqueId();this.type=c!==void 0?c:GL.TRIANGLES;this.offset=e!==void 0?e:0;typeof a==="number"||a===void 0?this.length=a:(a instanceof Uint16Array||(a=new Uint16Array(a)),this.length=a.length,this.elements=GL.createBuffer(),GL.bindBuffer(GL.ELEMENT_ARRAY_BUFFER,this.elements),GL.bufferData(GL.ELEMENT_ARRAY_BUFFER,a,b?b:GL.STATIC_DRAW))}b.prototype.draw=function(){this.elements!==void 0?(GLOW.currentContext.cache.elementsCached(this)||GL.bindBuffer(GL.ELEMENT_ARRAY_BUFFER,
this.elements),GL.drawElements(this.type,this.length,GL.UNSIGNED_SHORT,this.offset)):GL.drawArrays(this.type,this.offset,this.length)};b.prototype.clone=function(a){a=a||{};return new GLOW.Elements(a.data||this.data,a.type||this.type,a.usage,a.offset||this.offset)};b.prototype.dispose=function(){this.elements!==void 0&&(GL.deleteBuffer(this.elements),delete this.elements)};return b}();
GLOW.Uniform=function(){function b(){f[GL.INT]=function(){GL.uniform1iv(this.location,this.getNativeValue())};f[GL.FLOAT]=function(){GL.uniform1fv(this.location,this.getNativeValue())};f[GL.INT_VEC2]=function(){GL.uniform2iv(this.location,this.getNativeValue())};f[GL.INT_VEC3]=function(){GL.uniform3iv(this.location,this.getNativeValue())};f[GL.INT_VEC4]=function(){GL.uniform4iv(this.location,this.getNativeValue())};f[GL.BOOL]=function(){GL.uniform1iv(this.location,this.getNativeValue())};f[GL.BOOL_VEC2]=
function(){GL.uniform2iv(this.location,this.getNativeValue())};f[GL.BOOL_VEC3]=function(){GL.uniform3iv(this.location,this.getNativeValue())};f[GL.BOOL_VEC4]=function(){GL.uniform4iv(this.location,this.getNativeValue())};f[GL.FLOAT_VEC2]=function(){GL.uniform2fv(this.location,this.getNativeValue())};f[GL.FLOAT_VEC3]=function(){GL.uniform3fv(this.location,this.getNativeValue())};f[GL.FLOAT_VEC4]=function(){GL.uniform4fv(this.location,this.getNativeValue())};f[GL.FLOAT_MAT2]=function(){GL.uniformMatrix2fv(this.location,
!1,this.getNativeValue())};f[GL.FLOAT_MAT3]=function(){GL.uniformMatrix3fv(this.location,!1,this.getNativeValue())};f[GL.FLOAT_MAT4]=function(){GL.uniformMatrix4fv(this.location,!1,this.getNativeValue())};f[GL.SAMPLER_2D]=function(){this.data.texture!==void 0&&this.textureUnit!==-1&&!GLOW.currentContext.cache.textureCached(this.textureUnit,this.data)&&(GL.uniform1i(this.location,this.textureUnit),GL.activeTexture(GL.TEXTURE0+this.textureUnit),GL.bindTexture(GL.TEXTURE_2D,this.data.texture),this.data.autoUpdate&&
this.data.updateTexture(this.data.autoUpdate))};f[GL.SAMPLER_CUBE]=function(){this.data.texture!==void 0&&this.textureUnit!==-1&&!GLOW.currentContext.cache.textureCached(this.textureUnit,this.data)&&(GL.uniform1i(this.location,this.textureUnit),GL.activeTexture(GL.TEXTURE0+this.textureUnit),GL.bindTexture(GL.TEXTURE_CUBE_MAP,this.data.texture),this.data.autoUpdate&&this.data.updateTexture(this.data.autoUpdate))}}function a(a,h){c||(c=!0,b());this.id=GLOW.uniqueId();this.data=h;this.name=a.name;this.length=
a.length;this.type=a.type;this.location=a.location;this.locationNumber=a.locationNumber;this.textureUnit=a.textureUnit!==void 0?a.textureUnit:-1;this.load=a.loadFunction||f[this.type]}var c=!1,f=[];a.prototype.getNativeValue=function(){return this.data.value};a.prototype.clone=function(a){return new GLOW.Uniform(this,a||this.data)};a.prototype.dispose=function(a){this.data!==void 0&&this.type===GL.SAMPLER_2D&&a&&this.data.dispose();delete this.data;delete this.load;delete this.location};return a}();
GLOW.Attribute=function(){function b(b,e,h,g){a||(a=!0,c[GL.INT]=1,c[GL.INT_VEC2]=2,c[GL.INT_VEC3]=3,c[GL.INT_VEC4]=4,c[GL.BOOL]=1,c[GL.BOOL_VEC2]=2,c[GL.BOOL_VEC3]=3,c[GL.BOOL_VEC4]=4,c[GL.FLOAT]=1,c[GL.FLOAT_VEC2]=2,c[GL.FLOAT_VEC3]=3,c[GL.FLOAT_VEC4]=4,c[GL.FLOAT_MAT2]=4,c[GL.FLOAT_MAT3]=9,c[GL.FLOAT_MAT4]=16);this.id=GLOW.uniqueId();this.data=e;this.location=b.location;this.locationNumber=b.locationNumber;this.offset=this.stride=0;this.usage=h!==void 0?h:GL.STATIC_DRAW;this.interleaved=g!==void 0?
g:!1;this.size=c[b.type];this.name=b.name;this.type=b.type;this.data&&(this.data.length/this.size>65536&&GLOW.warn("GLOW.Attribute.constructor: Unreachable attribute? Please activate GL.drawArrays or split into multiple shaders. Indexed elements cannot reach attribute data beyond 65535."),this.interleaved===!1&&this.bufferData(this.data,this.usage))}var a=!1,c=[];b.prototype.setupInterleave=function(a,b){this.interleaved=!0;this.offset=a;this.stride=b};b.prototype.bufferData=function(a,b){if(a!==
void 0&&this.data!==a)this.data=a;if(b!==void 0&&this.usage!==b)this.usage=b;if(this.buffer===void 0)this.buffer=GL.createBuffer();if(this.data.constructor.toString().indexOf(" Array()")!==-1)this.data=new Float32Array(this.data);GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferData(GL.ARRAY_BUFFER,this.data,this.usage)};b.prototype.bufferSubData=function(a,b){b===void 0&&(b=0);this.buffer===void 0&&GLOW.error("GLOWAttribute.prototype.bufferSubData: call bufferData first");a.constructor.toString().indexOf(" Array()")!==
-1&&(a=new Float32Array(a));GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferSubData(GL.ARRAY_BUFFER,b,a)};b.prototype.bind=function(){this.interleaved===!1&&GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.vertexAttribPointer(this.location,this.size,GL.FLOAT,!1,this.stride,this.offset)};b.prototype.clone=function(a){if(this.interleaved)GLOW.error("GLOW.Attribute.clone: Cannot clone interleaved attribute. Please check your interleave setup.");else return a=a||{},new GLOW.Attribute(this,a.data||this.data,
a.usage||this.usage,a.interleaved||this.interleaved)};b.prototype.dispose=function(){this.buffer&&(GL.deleteBuffer(this.buffer),delete this.buffer);delete this.data};return b}();
GLOW.InterleavedAttributes=function(){function b(a){this.id=GLOW.uniqueId();this.attributes=a;var b,f=a[0].data.length/a[0].size,e,h=a.length,g,i,j,k=[],l,m=[];for(e=0;e<h;e++)k[e]=0;for(b=0;b<f;b++)for(e=0;e<h;e++){l=a[e].data;j=k[e];g=0;for(i=a[e].size;g<i;g++)m.push(l[j++]);k[e]=j}this.data=new Float32Array(m);this.usage=a[0].usage;for(e=0;e<h;e++)if(this.usage!==a[e].usage){GLOW.warn("GLOW.InterleavedAttributes.construct: Attribute "+a[e].name+" has different usage, defaulting to STATIC_DRAW.");
this.usage=GL.STATIC_DRAW;break}this.bufferData(this.data,this.usage);for(e=b=0;e<h;e++)b+=a[e].size*4;for(e=f=0;e<h;e++)a[e].setupInterleave(f,b),f+=a[e].size*4}b.prototype.bufferData=function(a,b){if(a!==void 0&&this.data!==a)this.data=a;if(this.buffer===void 0)this.buffer=GL.createBuffer();GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferData(GL.ARRAY_BUFFER,this.data,b?b:GL.STATIC_DRAW)};b.prototype.bind=function(){GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);for(var a=this.attributes.length;a--;)this.attributes[a].bind()};
b.prototype.dispose=function(){this.buffer&&(GL.deleteBuffer(this.buffer),delete this.buffer);delete this.data;if(this.attributes){for(var a=this.attributes.length;a--;)this.attributes[a].dispose();delete this.attributes}};return b}();
GLOW.Float=function(){function b(a){a!==void 0&&a.length?this.value=new Float32Array(a):(this.value=new Float32Array(1),this.value[0]=a!==void 0?a:0)}b.prototype.set=function(a){this.value[0]=a;return this};b.prototype.add=function(a){this.value[0]+=a;return this};b.prototype.sub=function(a){this.value[0]-=a;return this};b.prototype.multiply=function(a){this.value[0]*=a;return this};b.prototype.divide=function(a){this.value[0]/=a;return this};b.prototype.modulo=function(a){this.value[0]%=a;return this};
return b}();
GLOW.Int=function(){function b(a){a!==void 0&&a.length?this.value=new Int32Array(a):(this.value=new Int32Array(1),this.value[0]=a!==void 0?a:0)}b.prototype.set=function(a){this.value[0]=a;return this};b.prototype.add=function(a){this.value[0]+=a;return this};b.prototype.sub=function(a){this.value[0]-=a;return this};b.prototype.multiply=function(a){this.value[0]*=a;return this};b.prototype.divide=function(a){this.value[0]/=a;return this};b.prototype.modulo=function(a){this.value[0]%=a;return this};
return b}();GLOW.Bool=function(){function b(a){this.value=[];this.value[0]=a!==void 0?!!a:!1}b.prototype.set=function(a){this.value[0]=!!a;return this};return b}();GLOW.Bool2=function(){function b(a,b){this.value=[];this.value[0]=a!==void 0?!!a:!1;this.value[1]=b!==void 0?!!b:!1}b.prototype.set=function(a,b){this.value[0]=!!a;this.value[1]=!!b;return this};return b}();
GLOW.Bool3=function(){function b(a,b,f){this.value=[];this.value[0]=a!==void 0?!!a:!1;this.value[1]=b!==void 0?!!b:!1;this.value[2]=f!==void 0?!!f:!1}b.prototype.set=function(a,b,f){this.value[0]=!!a;this.value[1]=!!b;this.value[2]=!!f;return this};return b}();
GLOW.Bool4=function(){function b(a,b,f,e){this.value=[];this.value[0]=a!==void 0?!!a:!1;this.value[1]=b!==void 0?!!b:!1;this.value[2]=f!==void 0?!!f:!1;this.value[3]=e!==void 0?!!e:!1}b.prototype.set=function(a,b,f,e){this.value[0]=!!a;this.value[1]=!!b;this.value[2]=!!f;this.value[3]=!!e;return this};return b}();
GLOW.Vector2=function(){function b(a,b){this.value=new Float32Array(2);this.value[0]=a!==void 0?a:0;this.value[1]=b!==void 0?b:0}b.prototype.set=function(a,b){this.value[0]=a;this.value[1]=b;return this};b.prototype.copy=function(a){this.value[0]=a.value[0];this.value[1]=a.value[1];return this};b.prototype.addSelf=function(a){this.value[0]+=a.value[0];this.value[1]+=a.value[1];return this};b.prototype.add=function(a,b){this.value[0]=a.value[0]+b.value[0];this.value[1]=a.value[1]+b.value[1];return this};
b.prototype.addScalar=function(a){this.value[0]+=a;this.value[1]+=a;return this};b.prototype.subSelf=function(a){this.value[0]-=a.x;this.value[1]-=a.y;return this};b.prototype.sub=function(a,b){this.value[0]=a.value[0]-b.value[0];this.value[1]=a.value[1]-b.value[1];return this};b.prototype.multiplySelf=function(a){this.value[0]*=a.value[0];this.value[1]*=a.value[1];return this};b.prototype.multiply=function(a,b){this.value[0]=a.value[0]*b.value[0];this.value[1]=a.value[1]*b.value[1];return this};
b.prototype.multiplyScalar=function(a){this.value[0]*=a;this.value[1]*=a;return this};b.prototype.negate=function(){this.value[0]=-this.value[0];this.value[1]=-this.value[1];return this};b.prototype.normalize=function(){this.multiplyScalar(1/this.length());return this};b.prototype.length=function(){return Math.sqrt(this.lengthSq())};b.prototype.lengthSq=function(){return this.value[0]*this.value[0]+this.value[1]*this.value[1]};b.prototype.clone=function(){return new GLOW.Vector2(this.value[0],this.value[1])};
return b}();
GLOW.Vector3=function(){function b(a,b,f){this.value=new Float32Array(3);this.value[0]=a!==void 0?a:0;this.value[1]=b!==void 0?b:0;this.value[2]=f!==void 0?f:0}b.prototype.set=function(a,b,f){this.value[0]=a;this.value[1]=b;this.value[2]=f;return this};b.prototype.copy=function(a){this.set(a.value[0],a.value[1],a.value[2]);return this};b.prototype.add=function(a,b){a=a.value;b=b.value;this.value[0]=a[0]+b[0];this.value[1]=a[1]+b[1];this.value[2]=a[2]+b[2];return this};b.prototype.addSelf=function(a){a=
a.value;this.value[0]+=a[0];this.value[1]+=a[1];this.value[2]+=a[2];return this};b.prototype.addScalar=function(a){this.value[0]+=a;this.value[1]+=a;this.value[2]+=a;return this};b.prototype.sub=function(a,b){a=a.value;b=b.value;this.value[0]=a[0]-b[0];this.value[1]=a[1]-b[1];this.value[2]=a[2]-b[2];return this};b.prototype.subSelf=function(a){a=a.value;this.value[0]-=a[0];this.value[1]-=a[1];this.value[2]-=a[2];return this};b.prototype.cross=function(a,b){a=a.value;b=b.value;this.value[0]=a[1]*b[2]-
a[2]*b[1];this.value[1]=a[2]*b[0]-a[0]*b[2];this.value[2]=a[0]*b[1]-a[1]*b[0];return this};b.prototype.crossSelf=function(a){var a=a.value,b=a[0],f=a[1],a=a[2],e=this.value[0],h=this.value[1],g=this.value[2];this.value[0]=f*g-a*h;this.value[1]=a*e-b*g;this.value[2]=b*h-f*e;return this};b.prototype.multiply=function(a,b){a=a.value;b=b.value;this.value[0]=a[0]*b[0];this.value[1]=a[1]*b[1];this.value[2]=a[2]*b[2];return this};b.prototype.multiplySelf=function(a){a=a.value;this.value[0]*=a[0];this.value[1]*=
a[1];this.value[2]*=a[2];return this};b.prototype.multiplyScalar=function(a){this.value[0]*=a;this.value[1]*=a;this.value[2]*=a;return this};b.prototype.divideSelf=function(a){a=a.value;this.value[0]/=a[0];this.value[1]/=a[1];this.value[2]/=a[2];return this};b.prototype.divideScalar=function(a){this.value[0]/=a;this.value[1]/=a;this.value[2]/=a;return this};b.prototype.negate=function(){this.value[0]=-this.value[0];this.value[1]=-this.value[1];this.value[2]=-this.value[2];return this};b.prototype.dot=
function(a){a=a.value;return this.value[0]*a[0]+this.value[1]*a[1]+this.value[2]*a[2]};b.prototype.distanceTo=function(a){return Math.sqrt(this.distanceToSquared(a))};b.prototype.distanceToSquared=function(a){var a=a.value,b=this.value[0]-a[0],f=this.value[1]-a[1],a=this.value[2]-a[2];return b*b+f*f+a*a};b.prototype.length=function(){return Math.sqrt(this.lengthSq())};b.prototype.lengthSq=function(){return this.value[0]*this.value[0]+this.value[1]*this.value[1]+this.value[2]*this.value[2]};b.prototype.lengthManhattan=
function(){return this.value[0]+this.value[1]+this.value[2]};b.prototype.normalize=function(){var a=Math.sqrt(this.value[0]*this.value[0]+this.value[1]*this.value[1]+this.value[2]*this.value[2]);a>0?this.multiplyScalar(1/a):this.set(0,0,0);return this};b.prototype.setPositionFromMatrix=function(a){a=a.value;this.value[0]=a[12];this.value[1]=a[13];this.value[2]=a[14]};b.prototype.setLength=function(a){return this.normalize().multiplyScalar(a)};b.prototype.isZero=function(){return Math.abs(this.value[0])<
1.0E-4&&Math.abs(this.value[1])<1.0E-4&&Math.abs(this.value[2])<1.0E-4};b.prototype.clone=function(){return new GLOW.Vector3(this.value[0],this.value[1],this.value[2])};return b}();
GLOW.Vector4=function(){function b(a,b,f,e){this.value=new Float32Array(4);this.value[0]=a!==void 0?a:0;this.value[1]=b!==void 0?b:0;this.value[2]=f!==void 0?f:0;this.value[3]=e!==void 0?e:0}b.prototype.set=function(a,b,f,e){this.value[0]=a;this.value[1]=b;this.value[2]=f;this.value[3]=e;return this};b.prototype.copy=function(a){this.value[0]=a.value[0];this.value[1]=a.value[1];this.value[2]=a.value[2];this.value[3]=a.value[3];return this};b.prototype.add=function(a,b){this.value[0]=a.value[0]+b.value[0];
this.value[1]=a.value[1]+b.value[1];this.value[2]=a.value[2]+b.value[2];this.value[3]=a.value[3]+b.value[3];return this};b.prototype.addSelf=function(a){this.value[0]+=a.value[0];this.value[1]+=a.value[1];this.value[2]+=a.value[2];this.value[3]+=a.value[3];return this};b.prototype.sub=function(a,b){this.value[0]=a.value[0]-b.value[0];this.value[1]=a.value[1]-b.value[1];this.value[2]=a.value[2]-b.value[2];this.value[3]=a.value[3]-b.value[3];return this};b.prototype.subSelf=function(a){this.value[0]-=
a.value[0];this.value[1]-=a.value[1];this.value[2]-=a.value[2];this.value[3]-=a.value[3];return this};b.prototype.multiplyScalar=function(a){this.value[0]*=a;this.value[1]*=a;this.value[2]*=a;this.value[3]*=a;return this};b.prototype.divideScalar=function(a){this.value[0]/=a;this.value[1]/=a;this.value[2]/=a;this.value[3]/=a;return this};b.prototype.normalize=function(){var a=Math.sqrt(this.value[0]*this.value[0]+this.value[1]*this.value[1]+this.value[2]*this.value[2]+this.value[3]*this.value[3]);
a>0?this.multiplyScalar(1/a):this.set(0,0,0,1);return this};b.prototype.lerpSelf=function(a,b){this.value[0]+=(a.x-this.value[0])*b;this.value[1]+=(a.y-this.value[1])*b;this.value[2]+=(a.z-this.value[2])*b;this.value[3]+=(a.w-this.value[3])*b;return this};b.prototype.lengthOfXYZ=function(){return Math.sqrt(this.value[0]*this.value[0]+this.value[1]*this.value[1]+this.value[2]*this.value[2])};b.prototype.clone=function(){return new GLOW.Vector4(this.value[0],this.value[1],this.value[2],this.value[3])};
return b}();
GLOW.Quaternion=function(){function b(a,b,f,e){this.value=new Float32Array(4);this.value[0]=a!==void 0?a:0;this.value[1]=b!==void 0?b:0;this.value[2]=f!==void 0?f:0;this.value[3]=e!==void 0?e:0}b.prototype.set=function(a,b,f,e){this.value[0]=a;this.value[1]=b;this.value[2]=f;this.value[3]=e;return this};b.prototype.copy=function(a){this.value[0]=a.value[0];this.value[1]=a.value[1];this.value[2]=a.value[2];this.value[3]=a.value[3];return this};b.prototype.add=function(a,b){this.value[0]=a.value[0]+
b.value[0];this.value[1]=a.value[1]+b.value[1];this.value[2]=a.value[2]+b.value[2];this.value[3]=a.value[3]+b.value[3];return this};b.prototype.addSelf=function(a){this.value[0]+=a.value[0];this.value[1]+=a.value[1];this.value[2]+=a.value[2];this.value[3]+=a.value[3];return this};b.prototype.sub=function(a,b){this.value[0]=a.value[0]-b.value[0];this.value[1]=a.value[1]-b.value[1];this.value[2]=a.value[2]-b.value[2];this.value[3]=a.value[3]-b.value[3];return this};b.prototype.subSelf=function(a){this.value[0]-=
a.value[0];this.value[1]-=a.value[1];this.value[2]-=a.value[2];this.value[3]-=a.value[3];return this};b.prototype.multiplyScalar=function(a){this.value[0]*=a;this.value[1]*=a;this.value[2]*=a;this.value[3]*=a;return this};b.prototype.divideScalar=function(a){this.value[0]/=a;this.value[1]/=a;this.value[2]/=a;this.value[3]/=a;return this};b.prototype.normalize=function(){var a=Math.sqrt(this.value[0]*this.value[0]+this.value[1]*this.value[1]+this.value[2]*this.value[2]+this.value[3]*this.value[3]);
a>0?this.multiplyScalar(1/a):this.set(0,0,0,1);return this};b.prototype.lerpSelf=function(a,b){this.value[0]+=(a.x-this.value[0])*b;this.value[1]+=(a.y-this.value[1])*b;this.value[2]+=(a.z-this.value[2])*b;this.value[3]+=(a.w-this.value[3])*b;return this};b.prototype.clone=function(){return new GLOW.Quaternion(this.value[0],this.value[1],this.value[2],this.value[3])};return b}();
GLOW.Matrix3=function(){function b(){this.value=new Float32Array(9);this.identity()}b.prototype.set=function(a,b,f,e,h,g,i,j,k){this.value[0]=a;this.value[3]=b;this.value[6]=f;this.value[1]=e;this.value[4]=h;this.value[7]=g;this.value[2]=i;this.value[5]=j;this.value[8]=k;return this};b.prototype.identity=function(){this.set(1,0,0,0,1,0,0,0,1);return this};b.prototype.extractFromMatrix4=function(a){this.set(a.value[0],a.value[4],a.value[8],a.value[1],a.value[5],a.value[9],a.value[2],a.value[6],a.value[10]);
return this};b.prototype.multiplyVector3=function(a){var b=a.value[0],f=a.value[1],e=a.value[2];a.value[0]=this.value[0]*b+this.value[3]*f+this.value[6]*e;a.value[1]=this.value[1]*b+this.value[4]*f+this.value[7]*e;a.value[2]=this.value[2]*b+this.value[5]*f+this.value[8]*e;return a};b.prototype.scale=function(a,b,f){var e;b!==void 0&&f!==void 0?e=a:(e=a.value[0],b=a.value[1],f=a.value[2]);this.value[0]*=e;this.value[3]*=b;this.value[6]*=f;this.value[1]*=e;this.value[4]*=b;this.value[7]*=f;this.value[2]*=
e;this.value[5]*=b;this.value[8]*=f;return this};return b}();
GLOW.Matrix4=function(){function b(){this.value=new Float32Array(16);this.rotation=new GLOW.Vector3;this.position=new GLOW.Vector3;this.columnX=new GLOW.Vector3;this.columnY=new GLOW.Vector3;this.columnZ=new GLOW.Vector3;this.identity()}b.prototype.set=function(a,b,f,e,h,g,i,j,k,l,m,n,o,p,r,q){this.value[0]=a;this.value[4]=b;this.value[8]=f;this.value[12]=e;this.value[1]=h;this.value[5]=g;this.value[9]=i;this.value[13]=j;this.value[2]=k;this.value[6]=l;this.value[10]=m;this.value[14]=n;this.value[3]=
o;this.value[7]=p;this.value[11]=r;this.value[15]=q;return this};b.prototype.identity=function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this};b.prototype.copy=function(a){a=a.value;this.set(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15]);return this};b.prototype.lookAt=function(a,b){var f=GLOW.Matrix4.tempVector3A,e=GLOW.Matrix4.tempVector3B,h=GLOW.Matrix4.tempVector3C,g=this.getPosition();g.value[0]=this.value[12];g.value[1]=this.value[13];g.value[2]=
this.value[14];h.sub(g,a).normalize();h.length()===0&&(h.value[3]=1);f.cross(b,h).normalize();f.length()===0&&(h.value[0]+=1.0E-4,f.cross(b,h).normalize());e.cross(h,f).normalize();f=f.value;e=e.value;h=h.value;this.value[0]=f[0];this.value[4]=e[0];this.value[8]=h[0];this.value[1]=f[1];this.value[5]=e[1];this.value[9]=h[1];this.value[2]=f[2];this.value[6]=e[2];this.value[10]=h[2];return this};b.prototype.multiplyVector3=function(a){var b=a.value[0],f=a.value[1],e=a.value[2],h=1/(this.value[3]*b+this.value[7]*
f+this.value[11]*e+this.value[15]);a.value[0]=(this.value[0]*b+this.value[4]*f+this.value[8]*e+this.value[12])*h;a.value[1]=(this.value[1]*b+this.value[5]*f+this.value[9]*e+this.value[13])*h;a.value[2]=(this.value[2]*b+this.value[6]*f+this.value[10]*e+this.value[14])*h;return a};b.prototype.multiplyVector4=function(a){var b=a.value[0],f=a.value[1],e=a.value[2],h=a.value[3];a.value[0]=this.value[0]*b+this.value[4]*f+this.value[8]*e+this.value[12]*h;a.value[1]=this.value[1]*b+this.value[5]*f+this.value[9]*
e+this.value[13]*h;a.value[2]=this.value[2]*b+this.value[6]*f+this.value[10]*e+this.value[14]*h;a.value[3]=this.value[3]*b+this.value[7]*f+this.value[11]*e+this.value[15]*h;return a};b.prototype.rotateAxis=function(a){var b=a.value[0],f=a.value[1],e=a.value[2];a.value[0]=b*this.value[0]+f*this.value[4]+e*this.value[8];a.value[1]=b*this.value[1]+f*this.value[5]+e*this.value[9];a.value[2]=b*this.value[2]+f*this.value[6]+e*this.value[10];a.normalize();return a};b.prototype.crossVector=function(a){var b=
GLOW.Vector4(),f=a.value[0],e=a.value[1],h=a.value[2],a=a.value[3];b.value[0]=this.value[0]*f+this.value[4]*e+this.value[8]*h+this.value[12]*a;b.value[1]=this.value[1]*f+this.value[5]*e+this.value[9]*h+this.value[13]*a;b.value[2]=this.value[2]*f+this.value[6]*e+this.value[10]*h+this.value[14]*a;b.value[3]=a?this.value[3]*f+this.value[7]*e+this.value[11]*h+this.value[15]*a:1;return b};b.prototype.multiply=function(a,b){var a=a.value,b=b.value,f=a[0],e=a[4],h=a[8],g=a[12],i=a[1],j=a[5],k=a[9],l=a[13],
m=a[2],n=a[6],o=a[10],p=a[14],r=a[3],q=a[7],s=a[11],t=a[15],w=b[0],u=b[4],v=b[8],y=b[12],x=b[1],z=b[5],A=b[9],B=b[13],C=b[2],D=b[6],E=b[10],F=b[14];this.value[0]=f*w+e*x+h*C;this.value[4]=f*u+e*z+h*D;this.value[8]=f*v+e*A+h*E;this.value[12]=f*y+e*B+h*F+g;this.value[1]=i*w+j*x+k*C;this.value[5]=i*u+j*z+k*D;this.value[9]=i*v+j*A+k*E;this.value[13]=i*y+j*B+k*F+l;this.value[2]=m*w+n*x+o*C;this.value[6]=m*u+n*z+o*D;this.value[10]=m*v+n*A+o*E;this.value[14]=m*y+n*B+o*F+p;this.value[3]=r*w+q*x+s*C;this.value[7]=
r*u+q*z+s*D;this.value[11]=r*v+q*A+s*E;this.value[15]=r*y+q*B+s*F+t;return this};b.prototype.multiplySelf=function(a){this.multiply(this,a);return this};b.prototype.multiplyScalar=function(a){this.value[0]*=a;this.value[4]*=a;this.value[8]*=a;this.value[12]*=a;this.value[1]*=a;this.value[5]*=a;this.value[9]*=a;this.value[13]*=a;this.value[2]*=a;this.value[6]*=a;this.value[10]*=a;this.value[14]*=a;this.value[3]*=a;this.value[7]*=a;this.value[11]*=a;this.value[15]*=a;return this};b.prototype.determinant=
function(){var a=this.value[0],b=this.value[4],f=this.value[8],e=this.value[12],h=this.value[1],g=this.value[5],i=this.value[9],j=this.value[13],k=this.value[2],l=this.value[6],m=this.value[10],n=this.value[14],o=this.value[3],p=this.value[7],r=this.value[11],q=this.value[15];return e*i*l*o-f*j*l*o-e*g*m*o+b*j*m*o+f*g*n*o-b*i*n*o-e*i*k*p+f*j*k*p+e*h*m*p-a*j*m*p-f*h*n*p+a*i*n*p+e*g*k*r-b*j*k*r-e*h*l*r+a*j*l*r+b*h*n*r-a*g*n*r-f*g*k*q+b*i*k*q+f*h*l*q-a*i*l*q-b*h*m*q+a*g*m*q};b.prototype.transpose=function(){var a;
a=this.value[1];this.value[1]=this.value[4];this.value[4]=a;a=this.value[2];this.value[2]=this.value[8];this.value[8]=a;a=this.value[6];this.value[6]=this.value[9];this.value[9]=a;a=this.value[3];this.value[3]=this.value[12];this.value[12]=a;a=this.value[7];this.value[7]=this.value[13];this.value[13]=a;a=this.value[11];this.value[11]=this.value[14];this.value[11]=a;return this};b.prototype.clone=function(){var a=new GLOW.Matrix4;a.value=new Float32Array(this.value);return a};b.prototype.setPosition=
function(a,b,f){var e;b!==void 0&&f!==void 0?e=a:(e=a.value[0],b=a.value[1],f=a.value[2]);this.value[12]=e;this.value[13]=b;this.value[14]=f;return this};b.prototype.addPosition=function(a,b,f){var e;b!==void 0&&f!==void 0?e=a:(e=a.value[0],b=a.value[1],f=a.value[2]);this.value[12]+=e;this.value[13]+=b;this.value[14]+=f};b.prototype.setRotation=function(a,b,f){var e;b!==void 0&&f!==void 0?e=a:(e=a.value[0],b=a.value[1],f=a.value[2]);var a=Math.cos(b),b=Math.sin(b),h=Math.cos(f),f=Math.sin(f),g=Math.cos(e);
e=Math.sin(e);this.value[0]=a*h;this.value[4]=b*e-a*f*g;this.value[8]=a*f*e+b*g;this.value[1]=f;this.value[5]=h*g;this.value[9]=-h*e;this.value[2]=-b*h;this.value[6]=b*f*g+a*e;this.value[10]=-b*f*e+a*g;return this};b.prototype.getRotation=function(){var a=this.value,b=this.rotation.value;if(a[1]>0.998)return b[0]=0,b[1]=Math.atan2(a[8],a[10]),b[2]=Math.PI/2,this.rotation;else if(a[1]<-0.998)return b[0]=0,b[1]=Math.atan2(a[8],a[10]),b[2]=-Math.PI/2,this.rotation;b[0]=Math.atan2(-a[9],a[5]);b[1]=Math.atan2(-a[2],
a[0]);b[2]=Math.asin(a[1]);return this.rotation};b.prototype.addRotation=function(a,b,f){var e;b!==void 0&&f!==void 0?e=a:(e=a.value[0],b=a.value[1],f=a.value[2]);this.rotation.value[0]+=e;this.rotation.value[1]+=b;this.rotation.value[2]+=f;this.setRotation(this.rotation.value[0],this.rotation.value[1],this.rotation.value[2])};b.prototype.setQuaternion=function(a){var b=this.value,f=a.value,a=f[0],e=f[1],h=f[2],f=f[3],g=a*a,i=e*e,j=h*h;b[0]=1-2*i-2*j;b[1]=2*a*e-2*h*f;b[2]=2*a*h+2*e*f;b[4]=2*a*e+2*
h*f;b[5]=1-2*g-2*j;b[6]=2*e*h-2*a*f;b[8]=2*a*h-2*e*f;b[9]=2*e*h+2*a*f;b[10]=1-2*g-2*i;return this};b.prototype.getPosition=function(){this.position.set(this.value[12],this.value[13],this.value[14]);return this.position};b.prototype.getColumnX=function(){this.columnX.set(this.value[0],this.value[1],this.value[2]);return this.columnX};b.prototype.getColumnY=function(){this.columnY.set(this.value[4],this.value[5],this.value[6]);return this.columnY};b.prototype.getColumnZ=function(){this.columnZ.set(this.value[8],
this.value[9],this.value[10]);return this.columnZ};b.prototype.scale=function(a,b,f){var e;b!==void 0&&f!==void 0?e=a:(e=a.value[0],b=a.value[1],f=a.value[2]);this.value[0]*=e;this.value[4]*=b;this.value[8]*=f;this.value[1]*=e;this.value[5]*=b;this.value[9]*=f;this.value[2]*=e;this.value[6]*=b;this.value[10]*=f;this.value[3]*=e;this.value[7]*=b;this.value[11]*=f;return this};b.prototype.invert=function(){GLOW.Matrix4.makeInverse(this,this);return this};return b}();
GLOW.Matrix4.makeInverse=function(b,a){a===void 0&&(a=new GLOW.Matrix4);var c=b.value,f=a.value,e=c[0],h=c[4],g=c[8],i=c[12],j=c[1],k=c[5],l=c[9],m=c[13],n=c[2],o=c[6],p=c[10],r=c[14],q=c[3],s=c[7],t=c[11],c=c[15];f[0]=l*r*s-m*p*s+m*o*t-k*r*t-l*o*c+k*p*c;f[1]=m*p*q-l*r*q-m*n*t+j*r*t+l*n*c-j*p*c;f[2]=k*r*q-m*o*q+m*n*s-j*r*s-k*n*c+j*o*c;f[3]=l*o*q-k*p*q-l*n*s+j*p*s+k*n*t-j*o*t;f[4]=i*p*s-g*r*s-i*o*t+h*r*t+g*o*c-h*p*c;f[5]=g*r*q-i*p*q+i*n*t-e*r*t-g*n*c+e*p*c;f[6]=i*o*q-h*r*q-i*n*s+e*r*s+h*n*c-e*o*c;
f[7]=h*p*q-g*o*q+g*n*s-e*p*s-h*n*t+e*o*t;f[8]=g*m*s-i*l*s+i*k*t-h*m*t-g*k*c+h*l*c;f[9]=i*l*q-g*m*q-i*j*t+e*m*t+g*j*c-e*l*c;f[10]=g*m*q-i*k*q+i*j*s-e*m*s-h*j*c+e*k*c;f[11]=g*k*q-h*l*q-g*j*s+e*l*s+h*j*t-e*k*t;f[12]=i*l*o-g*m*o-i*k*p+h*m*p+g*k*r-h*l*r;f[13]=g*m*n-i*l*n+i*j*p-e*m*p-g*j*r+e*l*r;f[14]=i*k*n-h*m*n-i*j*o+e*m*o+h*j*r-e*k*r;f[15]=h*l*n-g*k*n+g*j*o-e*l*o-h*j*p+e*k*p;a.multiplyScalar(1/b.determinant());return a};
GLOW.Matrix4.makeFrustum=function(b,a,c,f,e,h,g){var i,g=g||new GLOW.Matrix4;i=g.value;i[0]=2*e/(a-b);i[4]=0;i[8]=(a+b)/(a-b);i[12]=0;i[1]=0;i[5]=2*e/(f-c);i[9]=(f+c)/(f-c);i[13]=0;i[2]=0;i[6]=0;i[10]=-(h+e)/(h-e);i[14]=-2*h*e/(h-e);i[3]=0;i[7]=0;i[11]=-1;i[15]=0;return g};GLOW.Matrix4.makeProjection=function(b,a,c,f,e){var h,b=c*Math.tan(b*Math.PI/360);h=-b;return GLOW.Matrix4.makeFrustum(h*a,b*a,h,b,c,f,e)};
GLOW.Matrix4.makeOrtho=function(b,a,c,f,e,h,g){var i,j,k,l,g=g||new GLOW.Matrix4;j=Math.abs(a-b);k=Math.abs(c-f);l=Math.abs(h-e);i=g.value;i[0]=2/j;i[4]=0;i[8]=0;i[12]=-((a+b)/j);i[1]=0;i[5]=2/k;i[9]=0;i[13]=-((c+f)/k);i[2]=0;i[6]=0;i[10]=-2/l;i[14]=-((h+e)/l);i[3]=0;i[7]=0;i[11]=0;i[15]=1;return g};GLOW.Matrix4.tempVector3A=new GLOW.Vector3;GLOW.Matrix4.tempVector3B=new GLOW.Vector3;GLOW.Matrix4.tempVector3C=new GLOW.Vector3;GLOW.Matrix4.tempVector3D=new GLOW.Vector3;
GLOW.Color=function(){function b(a,b,f){this.value=new Float32Array(3);b===void 0&&f===void 0?this.setHex(a||0):this.setRGB(a,b,f)}b.prototype.setRGB=function(a,b,f){this.value[0]=a!==void 0?a/255:1;this.value[1]=b!==void 0?b/255:1;this.value[2]=f!==void 0?f/255:1;return this};b.prototype.setHex=function(a){this.value[0]=((a&16711680)>>16)/255;this.value[1]=((a&65280)>>8)/255;this.value[2]=(a&255)/255;return this};b.prototype.multiplyScalar=function(a){this.value[0]*=a;this.value[1]*=a;this.value[2]*=
a;return this};b.prototype.mix=function(a,b){var f=1-b;this.value[0]=this.value[0]*f+a.value[0]*b;this.value[1]=this.value[1]*f+a.value[1]*b;this.value[2]=this.value[2]*f+a.value[2]*b;return this};b.prototype.copy=function(a){this.value[0]=a.value[0];this.value[1]=a.value[1];this.value[2]=a.value[2];return this};b.prototype.setHSV=function(a,b,f){var e,h,g,i,j,k;if(f==0)e=h=g=0;else switch(i=Math.floor(a*6),j=a*6-i,a=f*(1-b),k=f*(1-b*j),b=f*(1-b*(1-j)),i){case 1:e=k;h=f;g=a;break;case 2:e=a;h=f;g=
b;break;case 3:e=a;h=k;g=f;break;case 4:e=b;h=a;g=f;break;case 5:e=f;h=a;g=k;break;case 6:case 0:e=f,h=b,g=a}this.value[0]=e;this.value[1]=h;this.value[2]=g;return this};return b}();
GLOW.Geometry={randomVector3Array:function(b,a){var a=a!==void 0?a:1,c,f=[],e=a*2;for(c=0;c<b;c++)f.push(GLOW.Vector3(Math.random()*e-a,Math.random()*e-a,Math.random()*e-a));return f},randomArray:function(b,a,c,f){var e=[],h=0,g,i;for(i=0;i<b/f;i++){h=a+Math.random()*c;for(g=0;g<f;g++)e.push(h)}return e},triangles:function(b){return this.elements(b)},elements:function(b){var a=0,c,f=new Uint16Array(b*3);for(c=0;c<b;c++)f[a]=a++,f[a]=a++,f[a]=a++;return f},faceNormals:function(b,a){var c=Array(b.length),
f,e=a.length,h,g,i,j=new GLOW.Vector3,k=new GLOW.Vector3,l=new GLOW.Vector3,m=new GLOW.Vector3;for(f=0;f<e;)h=a[f++]*3,g=a[f++]*3,i=a[f++]*3,j.set(b[h+0],b[h+1],b[h+2]),k.set(b[g+0],b[g+1],b[g+2]),l.set(b[i+0],b[i+1],b[i+2]),k.subSelf(j),l.subSelf(j),m.cross(k,l).normalize(),c[h+0]=m.value[0],c[h+1]=m.value[1],c[h+2]=m.value[2],c[g+0]=m.value[0],c[g+1]=m.value[1],c[g+2]=m.value[2],c[i+0]=m.value[0],c[i+1]=m.value[1],c[i+2]=m.value[2];return c},flatShade:function(b,a){if(b.triangles===void 0||b.data===
void 0)GLOW.error("GLOW.Geometry.flatShade: missing .data and/or .triangles in shader config object. Quitting.");else if(a===void 0)GLOW.error("GLOW.Geometry.flatShade: missing attribute data sizes. Quitting.");else{var c=b.triangles,f=c.length/3,e=b.data,h=[],g,i,j,k,l,m,n;for(j in a)if(e[j]){g=e[j];flatShadedAttribute=[];i=a[j];k=0;for(l=f*3;k<l;k++){m=0;for(n=i;m<n;m++)flatShadedAttribute.push(g[c[k]*i+m])}k=g.length=0;for(l=flatShadedAttribute.length;k<l;k++)g[k]=flatShadedAttribute[k]}k=0;l=
f;for(m=0;k<l;k++)h[m]=m++,h[m]=m++,h[m]=m++;b.triangles=h}}};
GLOW.Geometry.Cube={vertices:function(b){var a=new Float32Array(72),c=0,b=b!==void 0?b*0.5:5;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=+b;
a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=+b;a[c++]=-b;a[c++]=-b;a[c++]=+b;return a},indices:function(){var b=new Uint16Array(36),a=0;b[a++]=0;b[a++]=1;b[a++]=2;b[a++]=0;b[a++]=2;b[a++]=3;b[a++]=4;b[a++]=5;b[a++]=6;b[a++]=4;b[a++]=6;b[a++]=7;b[a++]=8;b[a++]=9;b[a++]=
10;b[a++]=8;b[a++]=10;b[a++]=11;b[a++]=12;b[a++]=13;b[a++]=14;b[a++]=12;b[a++]=14;b[a++]=15;b[a++]=16;b[a++]=17;b[a++]=18;b[a++]=16;b[a++]=18;b[a++]=19;b[a++]=20;b[a++]=21;b[a++]=22;b[a++]=20;b[a++]=22;b[a++]=23;return b},primitives:function(){return GL.TRIANGLES},uvs:function(){var b=new Float32Array(48),a=0;b[a++]=0;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=
0;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=0;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=1;b[a++]=0;b[a++]=0;b[a++]=0;return b},normals:function(){return GLOW.Geometry.faceNormals(GLOW.Geometry.Cube.vertices(),GLOW.Geometry.Cube.indices())}};
GLOW.Geometry.Cylinder={vertices:function(b,a,c,f){b|=7;a|=1;c|=1;f|=1;for(var e=[],h=Math.PI*2,g=f*0.5,f=0;f<b;f++)e.push(Math.sin(h*f/b)*a),e.push(g),e.push(Math.cos(h*f/b)*a);for(f=0;f<b;f++)e.push(Math.sin(h*f/b)*c),e.push(-g),e.push(Math.cos(h*f/b)*c);e.push(0);e.push(g);e.push(0);e.push(0);e.push(-g);e.push(0);return e},indices:function(b){b|=7;var a,c,f,e,h,g=[];for(h=0;h<b;h++)a=h,c=h+b,f=b+(h+1)%b,e=(h+1)%b,g.push(a),g.push(c),g.push(f),g.push(a),g.push(f),g.push(e);for(h=b;h<b+b*0.5;h++)a=
2*b,c=(2*h-2*b+0)%b,f=(2*h-2*b+1)%b,e=(2*h-2*b+2)%b,g.push(a),g.push(c),g.push(f),g.push(a),g.push(f),g.push(e);for(h=b+b*0.5;h<2*b;h++)a=2*b+1,c=(2*h-2*b+2)%b+b,f=(2*h-2*b+1)%b+b,e=(2*h-2*b+0)%b+b,g.push(a),g.push(c),g.push(f),g.push(a),g.push(f),g.push(e);return g},uvs:function(){},primitives:function(){return GL.TRIANGLES},normals:function(b){return GLOW.Geometry.faceNormals(GLOW.Geometry.Cylinder.vertices(b),GLOW.Geometry.Cylinder.indices(b))}};
GLOW.Geometry.Plane={vertices:function(b,a){var c=new Float32Array(12),f=0,b=b!==void 0?b*0.5:1;a?(c[f++]=-b,c[f++]=0,c[f++]=-b,c[f++]=-b,c[f++]=0,c[f++]=+b,c[f++]=+b,c[f++]=0,c[f++]=+b,c[f++]=+b,c[f++]=0,c[f++]=-b):(c[f++]=+b,c[f++]=-b,c[f++]=0,c[f++]=+b,c[f++]=+b,c[f++]=0,c[f++]=-b,c[f++]=+b,c[f++]=0,c[f++]=-b,c[f++]=-b,c[f++]=0);return c},indices:function(){var b=new Uint16Array(6),a=0;b[a++]=0;b[a++]=1;b[a++]=2;b[a++]=0;b[a++]=2;b[a++]=3;return b},indicesFlipped:function(){var b=new Uint16Array(6),
a=0;b[a++]=0;b[a++]=2;b[a++]=1;b[a++]=0;b[a++]=3;b[a++]=2;return b},uvs:function(b){var a=new Float32Array(8),c=0;b?(a[c++]=0,a[c++]=0,a[c++]=0,a[c++]=1,a[c++]=1,a[c++]=1,a[c++]=1):(a[c++]=1,a[c++]=0,a[c++]=1,a[c++]=1,a[c++]=0,a[c++]=1,a[c++]=0);a[c++]=0;return a},primitives:function(){return GL.TRIANGLES}};
GLOW.Node=function(b){this.localMatrix=new GLOW.Matrix4;this.globalMatrix=new GLOW.Matrix4;this.viewMatrix=new GLOW.Matrix4;this.updateRotationMatrix=!1;this.rotationMatrix=new GLOW.Matrix3;this.useXYZStyleTransform=!1;this.position={x:0,y:0,z:0};this.rotation={x:0,y:0,z:0};this.scale={x:1,y:1,z:1};this.children=[];this.parent=void 0;if(b)this.shader=b,this.draw=b.draw};
GLOW.Node.prototype.update=function(b,a){this.useXYZStyleTransform&&(this.localMatrix.setPosition(this.position.x,this.position.y,this.position.z),this.localMatrix.setRotation(this.rotation.x,this.rotation.y,this.rotation.z),this.localMatrix.scale(this.scale.x,this.scale.y,this.scale.z));b?this.globalMatrix.multiply(b,this.localMatrix):this.globalMatrix.copy(this.localMatrix);this.updateRotationMatrix&&this.rotationMatrix.extractFromMatrix4(this.globalMatrix);a&&this.viewMatrix.multiply(a,this.globalMatrix);
var c,f=this.children.length;for(c=0;c<f;c++)this.children[c].update(this.globalMatrix,a);return this};GLOW.Node.prototype.addChild=function(b){if(this.children.indexOf(b)===-1)this.children.push(b),b.parent&&b.parent.removeChild(b),b.parent=this;return this};GLOW.Node.prototype.removeChild=function(b){var a=this.children.indexOf(b);if(a!==-1)this.children.splice(1,a),b.parent=void 0;return this};
GLOW.Camera=function(b){GLOW.Node.call(this);b=b!==void 0?b:{};this.fov=b.fov!==void 0?b.fov:40;this.aspect=b.aspect!==void 0?b.aspect:window.innerWidth/window.innerHeight;this.near=b.near!==void 0?b.near:0.1;this.far=b.far!==void 0?b.far:1E4;this.useTarget=b.useTarget!==void 0?b.useTarget:!0;this.projection=b.ortho!==void 0?GLOW.Matrix4.makeOrtho(b.ortho.left,b.ortho.right,b.ortho.top,b.ortho.bottom,this.near,this.far):GLOW.Matrix4.makeProjection(this.fov,this.aspect,this.near,this.far);this.inverse=
new GLOW.Matrix4;this.target=new GLOW.Vector3(0,0,-100);this.up=new GLOW.Vector3(0,1,0);this.update()};GLOW.Camera.prototype=new GLOW.Node;GLOW.Camera.prototype.constructor=GLOW.Camera;GLOW.Camera.prototype.supr=GLOW.Node.prototype;
GLOW.Camera.prototype.update=function(b,a){this.useXYZStyleTransform?(this.localMatrix.setPosition(this.position.x,this.position.y,this.position.z),this.useTarget?this.localMatrix.lookAt(this.target,this.up):this.localMatrix.setRotation(this.rotation.x,this.rotation.y,this.rotation.z),this.localMatrix.scale(this.scale.x,this.scale.y,this.scale.z)):this.useTarget&&this.localMatrix.lookAt(this.target,this.up);b?this.globalMatrix.multiply(b,this.localMatrix):this.globalMatrix.copy(this.localMatrix);
GLOW.Matrix4.makeInverse(this.globalMatrix,this.inverse);var c,f=this.children.length;for(c=0;c<f;c++)this.children[c].update(this.globalMatrix,a)};GLOW.defaultCamera=new GLOW.Camera;
GLOW.Load=function(){function b(a){this.parameters=a;this.onLoadComplete=void 0;this.onLoadContext=null;this.onLoadItem=void 0;this.numItemsLeftToLoad=this.numItemsToLoad=0;for(var b in a)b!=="onLoadComplete"&&b!=="onLoadItem"&&b!=="dontParseJS"&&b!=="onLoadContext"?this.numItemsToLoad++:(this[b]=a[b],delete a[b]);this.numItemsLeftToLoad=this.numItemsToLoad;for(b in a){var e=a[b],h=a[b];h.indexOf(".png")!==-1||h.indexOf(".gif")!==-1||h.indexOf(".jpg")!==-1||h.indexOf("jpeg")!==-1?(a[b]=new Image,
a[b].scope=this,a[b].onload=this.onLoadImage,a[b].onerror=this.onLoadError,a[b].onabort=this.onLoadError,a[b].src=e):h.indexOf(".glsl")!==-1?(a[b]=new XMLHttpRequest,a[b].scope=this,a[b].parametersProperty=b,a[b].open("GET",e),a[b].onreadystatechange=this.onLoadGLSL,a[b].onerror=this.onLoadError,a[b].onabort=this.onLoadError,a[b].send()):h.indexOf(".js")!==-1||h.indexOf(".json")!==-1?(a[b]=new XMLHttpRequest,a[b].scope=this,a[b].parametersProperty=b,a[b].open("GET",e),a[b].onreadystatechange=this.onLoadJSON,
a[b].onerror=this.onLoadError,a[b].onabort=this.onLoadError,a[b].send()):(a[b]=document.createElement("video"),a[b].scope=this,a[b].addEventListener("loadeddata",this.onLoadVideo,!1),a[b].src=e)}}var a="";b.prototype.handleLoadedItem=function(){this.numItemsLeftToLoad--;this.onLoadItem!==void 0&&this.onLoadItem.call(this.onLoadContext,1-this.numItemsLeftToLoad/this.numItemsToLoad);this.numItemsLeftToLoad<=0&&this.onLoadComplete.call(this.onLoadContext,this.parameters)};b.prototype.onLoadJSON=function(){this.readyState===
4&&(this.scope.parameters[this.parametersProperty]=JSON.parse(this.responseText),this.scope.handleLoadedItem())};b.prototype.onLoadImage=function(){this.scope.handleLoadedItem()};b.prototype.onLoadVideo=function(){this.removeEventListener("loadeddata",this.scope.onLoadVideo,!1);this.scope.handleLoadedItem()};b.prototype.onLoadGLSL=function(){if(this.readyState===4){for(var b="",f="",f=this.responseText.split("\n"),e="",h=0;h<f.length;h++)if(f[h].indexOf("//#")>-1)f[h].indexOf("Fragment")>-1&&(b=e,
e="");else{var g=f[h];g.indexOf("//")>-1&&(g=g.substring(0,g.indexOf("//")));g.indexOf(";")===-1&&(g+="\n");e+=g}f=e;a===""&&(typeof GL==="object"&&typeof GL.getShaderPrecisionFormat==="function"?(e=GL.getShaderPrecisionFormat(GL.FRAGMENT_SHADER,GL.HIGH_FLOAT),a=e.rangeMax>=62&&e.rangeMin>=62&&e.precision>=16?"precision highp float;":"precision mediump float;"):a="#ifdef GL_FRAGMENT_PRECISION_HIGH\n#if GL_FRAGMENT_PRECISION_HIGH == 1\nprecision highp float;\n#else\nprecision mediump float;\n#endif\n#else\nprecision mediump float;\n#endif");
this.scope.parameters[this.parametersProperty]={fragmentShader:a+"\n"+f,vertexShader:b};this.scope.handleLoadedItem()}};b.prototype.onLoadError=function(a){GLOW.error("GLOW.Load.onLoadError: Error "+a.target.status)};b.prototype.parseThreeJS=function(a){var b={},e=a.scale!==void 0?1/a.scale:1;(function(e){if(a.version===void 0||a.version!=2)GLOW.error("Deprecated file format.");else{var g,i,j,k,l,m,n,o,p,r,q,s,t,w,u=a.faces;m=a.vertices;var v=a.normals,y=a.colors,x=0;for(g=0;g<a.uvs.length;g++)a.uvs[g].length&&
x++;for(g=0;g<x;g++)b.faceUvs[g]=[],b.faceVertexUvs[g]=[];k=0;for(l=m.length;k<l;)n=new THREE.Vertex,n.position.x=m[k++]*e,n.position.y=m[k++]*e,n.position.z=m[k++]*e,b.vertices.push(n);k=0;for(l=u.length;k<l;){e=u[k++];m=e&1;j=e&2;g=e&4;i=e&8;o=e&16;n=e&32;r=e&64;e&=128;m?(q=new THREE.Face4,q.a=u[k++],q.b=u[k++],q.c=u[k++],q.d=u[k++],m=4):(q=new THREE.Face3,q.a=u[k++],q.b=u[k++],q.c=u[k++],m=3);if(j)j=u[k++],q.materials=b.materials[j];j=b.faces.length;if(g)for(g=0;g<x;g++)s=a.uvs[g],p=u[k++],w=s[p*
2],p=s[p*2+1],b.faceUvs[g][j]=new THREE.UV(w,p);if(i)for(g=0;g<x;g++){s=a.uvs[g];t=[];for(i=0;i<m;i++)p=u[k++],w=s[p*2],p=s[p*2+1],t[i]=new THREE.UV(w,p);b.faceVertexUvs[g][j]=t}if(o)o=u[k++]*3,i=new THREE.Vector3,i.x=v[o++],i.y=v[o++],i.z=v[o],q.normal=i;if(n)for(g=0;g<m;g++)o=u[k++]*3,i=new THREE.Vector3,i.x=v[o++],i.y=v[o++],i.z=v[o],q.vertexNormals.push(i);if(r)n=u[k++],n=new THREE.Color(y[n]),q.color=n;if(e)for(g=0;g<m;g++)n=u[k++],n=new THREE.Color(y[n]),q.vertexColors.push(n);b.faces.push(q)}}})(e);
(function(){var e,g,i,j;if(a.skinWeights){e=0;for(g=a.skinWeights.length;e<g;e+=2)i=a.skinWeights[e],j=a.skinWeights[e+1],b.skinWeights.push(new THREE.Vector4(i,j,0,0))}if(a.skinIndices){e=0;for(g=a.skinIndices.length;e<g;e+=2)i=a.skinIndices[e],j=a.skinIndices[e+1],b.skinIndices.push(new THREE.Vector4(i,j,0,0))}b.bones=a.bones;b.animation=a.animation})();(function(e){if(a.morphTargets!==void 0){var g,i,j,k,l,m,n,o,p;g=0;for(i=a.morphTargets.length;g<i;g++){b.morphTargets[g]={};b.morphTargets[g].name=
a.morphTargets[g].name;b.morphTargets[g].vertices=[];o=b.morphTargets[g].vertices;p=a.morphTargets[g].vertices;j=0;for(k=p.length;j<k;j+=3)l=p[j]*e,m=p[j+1]*e,n=p[j+2]*e,o.push(new THREE.Vertex(new THREE.Vector3(l,m,n)))}}if(a.morphColors!==void 0){g=0;for(i=a.morphColors.length;g<i;g++){b.morphColors[g]={};b.morphColors[g].name=a.morphColors[g].name;b.morphColors[g].colors=[];k=b.morphColors[g].colors;l=a.morphColors[g].colors;e=0;for(j=l.length;e<j;e+=3)m=new THREE.Color(16755200),m.setRGB(l[e],
l[e+1],l[e+2]),k.push(m)}}})(e);(function(){if(a.edges!==void 0){var e,g,i;for(e=0;e<a.edges.length;e+=2)g=a.edges[e],i=a.edges[e+1],b.edges.push(new THREE.Edge(b.vertices[g],b.vertices[i],g,i))}})()};return b}();
GLOW.ShaderUtils={createMultiple:function(b,a){if(b.triangles===void 0||b.data===void 0)GLOW.error("GLOW.ShaderUtils.createMultiple: missing .data and/or .triangles in shader config object. Quitting.");else{var c,f=b.triangles,e=b.data,h,g=[],i,j,k,l,m,n,o=0,p=f.length;do{g.push(h={elements:[]});c=h.elements;for(k in a)if(e[k])h[k]=[];else{GLOW.error("GLOW.ShaderUtils.createMultiple: attribute "+d+" doesn't exist in originalShaderConfig.data. Quitting.");return}for(j=0;o<p;o+=3){if(j>65533){o-=3;
break}c[j]=j++;c[j]=j++;c[j]=j++;for(k in a){i=e[k];size=a[k];for(n=0;n<3;n++){l=0;for(m=size;l<m;l++)h[k].push(i[f[o+n]*size+l])}}}}while(o<p);for(k in a)b.data[k]=g[0][k];b.triangles=g[0].elements;c=new GLOW.Shader(b);f=[c];for(o=1;o<g.length;o++){for(k in a)b.data[k]=g[o][k];e=GLOW.Compiler.createAttributes(GLOW.Compiler.extractAttributes(c.compiledData.program),b.data,b.usage,b.interleave);e=GLOW.Compiler.interleaveAttributes(e,b.interleave);for(l in e)g[o][l]=e[l];f[o]=c.clone(g[o])}return f}}};