three/build/three.min.js

JavaScript 3D library

// threejs.org/license
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c.update(h,e,f.maxInstancedCount)}}function Of(a,b,c){function d(b){if("highp"===b){if(0<a.getShaderPrecisionFormat(a.VERTEX_SHADER,a.HIGH_FLOAT).precision&&0<a.getShaderPrecisionFormat(a.FRAGMENT_SHADER,a.HIGH_FLOAT).precision)return"highp";b="mediump"}return"mediump"===b&&0<a.getShaderPrecisionFormat(a.VERTEX_SHADER,a.MEDIUM_FLOAT).precision&&0<a.getShaderPrecisionFormat(a.FRAGMENT_SHADER,a.MEDIUM_FLOAT).precision?"mediump":"lowp"}var e,f="undefined"!==typeof WebGL2RenderingContext&&a instanceof
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k=new oa,m={value:null,needsUpdate:!1};this.uniform=m;this.numIntersection=this.numPlanes=0;this.init=function(a,c,g){var h=0!==a.length||c||0!==e||f;f=c;d=b(a,g,0);e=a.length;return h};this.beginShadows=function(){g=!0;b(null)};this.endShadows=function(){g=!1;a()};this.setState=function(c,h,k,v,t,l){if(!f||null===c||0===c.length||g&&!k)g?b(null):a();else{k=g?0:e;var n=4*k,r=t.clippingState||null;m.value=r;r=b(c,v,n,l);for(c=0;c!==n;++c)r[c]=d[c];t.clippingState=r;this.numIntersection=h?this.numPlanes:
0;this.numPlanes+=k}}}function Qf(a){var b={};return{get:function(c){if(void 0!==b[c])return b[c];switch(c){case "WEBGL_depth_texture":var d=a.getExtension("WEBGL_depth_texture")||a.getExtension("MOZ_WEBGL_depth_texture")||a.getExtension("WEBKIT_WEBGL_depth_texture");break;case "EXT_texture_filter_anisotropic":d=a.getExtension("EXT_texture_filter_anisotropic")||a.getExtension("MOZ_EXT_texture_filter_anisotropic")||a.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case "WEBGL_compressed_texture_s3tc":d=
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d.index0AttributeName?h.bindAttribLocation(w,0,d.index0AttributeName):!0===f.morphTargets&&h.bindAttribLocation(w,0,"position");h.linkProgram(w);f=h.getProgramInfoLog(w).trim();g=h.getShaderInfoLog(m).trim();n=h.getShaderInfoLog(r).trim();v=q=!0;if(!1===h.getProgramParameter(w,h.LINK_STATUS))q=!1,console.error("THREE.WebGLProgram: shader error: ",h.getError(),"gl.VALIDATE_STATUS",h.getProgramParameter(w,h.VALIDATE_STATUS),"gl.getProgramInfoLog",f,g,n);else if(""!==f)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",
f);else if(""===g||""===n)v=!1;v&&(this.diagnostics={runnable:q,material:d,programLog:f,vertexShader:{log:g,prefix:k},fragmentShader:{log:n,prefix:b}});h.deleteShader(m);h.deleteShader(r);var D;this.getUniforms=function(){void 0===D&&(D=new bb(h,w,a));return D};var J;this.getAttributes=function(){if(void 0===J){for(var a={},b=h.getProgramParameter(w,h.ACTIVE_ATTRIBUTES),c=0;c<b;c++){var d=h.getActiveAttrib(w,c).name;a[d]=h.getAttribLocation(w,d)}J=a}return J};this.destroy=function(){h.deleteProgram(w);
this.program=void 0};Object.defineProperties(this,{uniforms:{get:function(){console.warn("THREE.WebGLProgram: .uniforms is now .getUniforms().");return this.getUniforms()}},attributes:{get:function(){console.warn("THREE.WebGLProgram: .attributes is now .getAttributes().");return this.getAttributes()}}});this.name=e.name;this.id=Bg++;this.code=c;this.usedTimes=1;this.program=w;this.vertexShader=m;this.fragmentShader=r;return this}function Cg(a,b,c){function d(a,b){if(a)a.isTexture?c=a.encoding:a.isWebGLRenderTarget&&
(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),c=a.texture.encoding);else var c=3E3;3E3===c&&b&&(c=3007);return c}var e=[],f={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"phong",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",
LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},g="precision supportsVertexTextures map mapEncoding matcapEncoding envMap envMapMode envMapEncoding lightMap aoMap emissiveMap emissiveMapEncoding bumpMap normalMap objectSpaceNormalMap displacementMap specularMap roughnessMap metalnessMap gradientMap alphaMap combine vertexColors fog useFog fogExp flatShading sizeAttenuation logarithmicDepthBuffer skinning maxBones useVertexTexture morphTargets morphNormals maxMorphTargets maxMorphNormals premultipliedAlpha numDirLights numPointLights numSpotLights numHemiLights numRectAreaLights shadowMapEnabled shadowMapType toneMapping physicallyCorrectLights alphaTest doubleSided flipSided numClippingPlanes numClipIntersection depthPacking dithering".split(" ");
this.getParameters=function(b,e,g,r,n,q,v){var h=f[b.type];if(v.isSkinnedMesh){var k=v.skeleton.bones;if(c.floatVertexTextures)k=1024;else{var m=Math.min(Math.floor((c.maxVertexUniforms-20)/4),k.length);m<k.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+k.length+" bones. This GPU supports "+m+"."),k=0):k=m}}else k=0;m=c.precision;null!==b.precision&&(m=c.getMaxPrecision(b.precision),m!==b.precision&&console.warn("THREE.WebGLProgram.getParameters:",b.precision,"not supported, using",m,"instead."));
var l=a.getRenderTarget();return{shaderID:h,precision:m,supportsVertexTextures:c.vertexTextures,outputEncoding:d(l?l.texture:null,a.gammaOutput),map:!!b.map,mapEncoding:d(b.map,a.gammaInput),matcap:!!b.matcap,matcapEncoding:d(b.matcap,a.gammaInput),envMap:!!b.envMap,envMapMode:b.envMap&&b.envMap.mapping,envMapEncoding:d(b.envMap,a.gammaInput),envMapCubeUV:!!b.envMap&&(306===b.envMap.mapping||307===b.envMap.mapping),lightMap:!!b.lightMap,aoMap:!!b.aoMap,emissiveMap:!!b.emissiveMap,emissiveMapEncoding:d(b.emissiveMap,
a.gammaInput),bumpMap:!!b.bumpMap,normalMap:!!b.normalMap,objectSpaceNormalMap:1===b.normalMapType,displacementMap:!!b.displacementMap,roughnessMap:!!b.roughnessMap,metalnessMap:!!b.metalnessMap,specularMap:!!b.specularMap,alphaMap:!!b.alphaMap,gradientMap:!!b.gradientMap,combine:b.combine,vertexColors:b.vertexColors,fog:!!r,useFog:b.fog,fogExp:r&&r.isFogExp2,flatShading:b.flatShading,sizeAttenuation:b.sizeAttenuation,logarithmicDepthBuffer:c.logarithmicDepthBuffer,skinning:b.skinning&&0<k,maxBones:k,
useVertexTexture:c.floatVertexTextures,morphTargets:b.morphTargets,morphNormals:b.morphNormals,maxMorphTargets:a.maxMorphTargets,maxMorphNormals:a.maxMorphNormals,numDirLights:e.directional.length,numPointLights:e.point.length,numSpotLights:e.spot.length,numRectAreaLights:e.rectArea.length,numHemiLights:e.hemi.length,numClippingPlanes:n,numClipIntersection:q,dithering:b.dithering,shadowMapEnabled:a.shadowMap.enabled&&v.receiveShadow&&0<g.length,shadowMapType:a.shadowMap.type,toneMapping:a.toneMapping,
physicallyCorrectLights:a.physicallyCorrectLights,premultipliedAlpha:b.premultipliedAlpha,alphaTest:b.alphaTest,doubleSided:2===b.side,flipSided:1===b.side,depthPacking:void 0!==b.depthPacking?b.depthPacking:!1}};this.getProgramCode=function(b,c){var d=[];c.shaderID?d.push(c.shaderID):(d.push(b.fragmentShader),d.push(b.vertexShader));if(void 0!==b.defines)for(var e in b.defines)d.push(e),d.push(b.defines[e]);for(e=0;e<g.length;e++)d.push(c[g[e]]);d.push(b.onBeforeCompile.toString());d.push(a.gammaOutput);
return d.join()};this.acquireProgram=function(d,f,g,r){for(var h,k=0,m=e.length;k<m;k++){var l=e[k];if(l.code===r){h=l;++h.usedTimes;break}}void 0===h&&(h=new Ag(a,b,r,d,f,g,c),e.push(h));return h};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=e.indexOf(a);e[b]=e[e.length-1];e.pop();a.destroy()}};this.programs=e}function Dg(){var a=new WeakMap;return{get:function(b){var c=a.get(b);void 0===c&&(c={},a.set(b,c));return c},remove:function(b){a.delete(b)},update:function(b,c,d){a.get(b)[c]=
d},dispose:function(){a=new WeakMap}}}function Eg(a,b){return a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.program&&b.program&&a.program!==b.program?a.program.id-b.program.id:a.material.id!==b.material.id?a.material.id-b.material.id:a.z!==b.z?a.z-b.z:a.id-b.id}function Fg(a,b){return a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.z!==b.z?b.z-a.z:a.id-b.id}function Gg(){var a=[],b=0,c=[],d=[];return{opaque:c,transparent:d,init:function(){b=0;c.length=0;d.length=0},push:function(e,
f,g,h,k){var m=a[b];void 0===m?(m={id:e.id,object:e,geometry:f,material:g,program:g.program,renderOrder:e.renderOrder,z:h,group:k},a[b]=m):(m.id=e.id,m.object=e,m.geometry=f,m.material=g,m.program=g.program,m.renderOrder=e.renderOrder,m.z=h,m.group=k);(!0===g.transparent?d:c).push(m);b++},sort:function(){1<c.length&&c.sort(Eg);1<d.length&&d.sort(Fg)}}}function Hg(){var a={};return{get:function(b,c){b=b.id+","+c.id;c=a[b];void 0===c&&(c=new Gg,a[b]=c);return c},dispose:function(){a={}}}}function Ig(){var a=
{};return{get:function(b){if(void 0!==a[b.id])return a[b.id];switch(b.type){case "DirectionalLight":var c={direction:new p,color:new G,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new A};break;case "SpotLight":c={position:new p,direction:new p,color:new G,distance:0,coneCos:0,penumbraCos:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new A};break;case "PointLight":c={position:new p,color:new G,distance:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new A,shadowCameraNear:1,
shadowCameraFar:1E3};break;case "HemisphereLight":c={direction:new p,skyColor:new G,groundColor:new G};break;case "RectAreaLight":c={color:new G,position:new p,halfWidth:new p,halfHeight:new p}}return a[b.id]=c}}}function Jg(){var a=new Ig,b={id:Kg++,hash:{stateID:-1,directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,shadowsLength:-1},ambient:[0,0,0],directional:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],
point:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]},c=new p,d=new P,e=new P;return{setup:function(f,g,h){var k=0,m=0,r=0,n=0,q=0,v=0,l=0,u=0;h=h.matrixWorldInverse;for(var y=0,p=f.length;y<p;y++){var w=f[y],D=w.color,J=w.intensity,R=w.distance,X=w.shadow&&w.shadow.map?w.shadow.map.texture:null;if(w.isAmbientLight)k+=D.r*J,m+=D.g*J,r+=D.b*J;else if(w.isDirectionalLight){var B=a.get(w);B.color.copy(w.color).multiplyScalar(w.intensity);B.direction.setFromMatrixPosition(w.matrixWorld);c.setFromMatrixPosition(w.target.matrixWorld);
B.direction.sub(c);B.direction.transformDirection(h);if(B.shadow=w.castShadow)D=w.shadow,B.shadowBias=D.bias,B.shadowRadius=D.radius,B.shadowMapSize=D.mapSize;b.directionalShadowMap[n]=X;b.directionalShadowMatrix[n]=w.shadow.matrix;b.directional[n]=B;n++}else if(w.isSpotLight){B=a.get(w);B.position.setFromMatrixPosition(w.matrixWorld);B.position.applyMatrix4(h);B.color.copy(D).multiplyScalar(J);B.distance=R;B.direction.setFromMatrixPosition(w.matrixWorld);c.setFromMatrixPosition(w.target.matrixWorld);
B.direction.sub(c);B.direction.transformDirection(h);B.coneCos=Math.cos(w.angle);B.penumbraCos=Math.cos(w.angle*(1-w.penumbra));B.decay=w.decay;if(B.shadow=w.castShadow)D=w.shadow,B.shadowBias=D.bias,B.shadowRadius=D.radius,B.shadowMapSize=D.mapSize;b.spotShadowMap[v]=X;b.spotShadowMatrix[v]=w.shadow.matrix;b.spot[v]=B;v++}else if(w.isRectAreaLight)B=a.get(w),B.color.copy(D).multiplyScalar(J),B.position.setFromMatrixPosition(w.matrixWorld),B.position.applyMatrix4(h),e.identity(),d.copy(w.matrixWorld),
d.premultiply(h),e.extractRotation(d),B.halfWidth.set(.5*w.width,0,0),B.halfHeight.set(0,.5*w.height,0),B.halfWidth.applyMatrix4(e),B.halfHeight.applyMatrix4(e),b.rectArea[l]=B,l++;else if(w.isPointLight){B=a.get(w);B.position.setFromMatrixPosition(w.matrixWorld);B.position.applyMatrix4(h);B.color.copy(w.color).multiplyScalar(w.intensity);B.distance=w.distance;B.decay=w.decay;if(B.shadow=w.castShadow)D=w.shadow,B.shadowBias=D.bias,B.shadowRadius=D.radius,B.shadowMapSize=D.mapSize,B.shadowCameraNear=
D.camera.near,B.shadowCameraFar=D.camera.far;b.pointShadowMap[q]=X;b.pointShadowMatrix[q]=w.shadow.matrix;b.point[q]=B;q++}else w.isHemisphereLight&&(B=a.get(w),B.direction.setFromMatrixPosition(w.matrixWorld),B.direction.transformDirection(h),B.direction.normalize(),B.skyColor.copy(w.color).multiplyScalar(J),B.groundColor.copy(w.groundColor).multiplyScalar(J),b.hemi[u]=B,u++)}b.ambient[0]=k;b.ambient[1]=m;b.ambient[2]=r;b.directional.length=n;b.spot.length=v;b.rectArea.length=l;b.point.length=q;
b.hemi.length=u;b.hash.stateID=b.id;b.hash.directionalLength=n;b.hash.pointLength=q;b.hash.spotLength=v;b.hash.rectAreaLength=l;b.hash.hemiLength=u;b.hash.shadowsLength=g.length},state:b}}function $e(){var a=new Jg,b=[],c=[];return{init:function(){b.length=0;c.length=0},state:{lightsArray:b,shadowsArray:c,lights:a},setupLights:function(d){a.setup(b,c,d)},pushLight:function(a){b.push(a)},pushShadow:function(a){c.push(a)}}}function Lg(){var a={};return{get:function(b,c){if(void 0===a[b.id]){var d=new $e;
a[b.id]={};a[b.id][c.id]=d}else void 0===a[b.id][c.id]?(d=new $e,a[b.id][c.id]=d):d=a[b.id][c.id];return d},dispose:function(){a={}}}}function cb(a){L.call(this);this.type="MeshDepthMaterial";this.depthPacking=3200;this.morphTargets=this.skinning=!1;this.displacementMap=this.alphaMap=this.map=null;this.displacementScale=1;this.displacementBias=0;this.wireframe=!1;this.wireframeLinewidth=1;this.lights=this.fog=!1;this.setValues(a)}function db(a){L.call(this);this.type="MeshDistanceMaterial";this.referencePosition=
new p;this.nearDistance=1;this.farDistance=1E3;this.morphTargets=this.skinning=!1;this.displacementMap=this.alphaMap=this.map=null;this.displacementScale=1;this.displacementBias=0;this.lights=this.fog=!1;this.setValues(a)}function af(a,b,c){function d(b,c,d,e,f,g){var h=b.geometry;var k=n;var m=b.customDepthMaterial;d&&(k=q,m=b.customDistanceMaterial);m?k=m:(m=!1,c.morphTargets&&(h&&h.isBufferGeometry?m=h.morphAttributes&&h.morphAttributes.position&&0<h.morphAttributes.position.length:h&&h.isGeometry&&
(m=h.morphTargets&&0<h.morphTargets.length)),b.isSkinnedMesh&&!1===c.skinning&&console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",b),b=b.isSkinnedMesh&&c.skinning,h=0,m&&(h|=1),b&&(h|=2),k=k[h]);a.localClippingEnabled&&!0===c.clipShadows&&0!==c.clippingPlanes.length&&(h=k.uuid,m=c.uuid,b=v[h],void 0===b&&(b={},v[h]=b),h=b[m],void 0===h&&(h=k.clone(),b[m]=h),k=h);k.visible=c.visible;k.wireframe=c.wireframe;k.side=null!=c.shadowSide?c.shadowSide:l[c.side];k.clipShadows=
c.clipShadows;k.clippingPlanes=c.clippingPlanes;k.clipIntersection=c.clipIntersection;k.wireframeLinewidth=c.wireframeLinewidth;k.linewidth=c.linewidth;d&&k.isMeshDistanceMaterial&&(k.referencePosition.copy(e),k.nearDistance=f,k.farDistance=g);return k}function e(c,g,h,k){if(!1!==c.visible){if(c.layers.test(g.layers)&&(c.isMesh||c.isLine||c.isPoints)&&c.castShadow&&(!c.frustumCulled||f.intersectsObject(c))){c.modelViewMatrix.multiplyMatrices(h.matrixWorldInverse,c.matrixWorld);var m=b.update(c),n=
c.material;if(Array.isArray(n))for(var q=m.groups,v=0,l=q.length;v<l;v++){var t=q[v],u=n[t.materialIndex];u&&u.visible&&(u=d(c,u,k,r,h.near,h.far),a.renderBufferDirect(h,null,m,u,c,t))}else n.visible&&(u=d(c,n,k,r,h.near,h.far),a.renderBufferDirect(h,null,m,u,c,null))}c=c.children;m=0;for(n=c.length;m<n;m++)e(c[m],g,h,k)}}var f=new rd,g=new P,h=new A,k=new A(c,c),m=new p,r=new p,n=Array(4),q=Array(4),v={},l={0:1,1:0,2:2},u=[new p(1,0,0),new p(-1,0,0),new p(0,0,1),new p(0,0,-1),new p(0,1,0),new p(0,
-1,0)],y=[new p(0,1,0),new p(0,1,0),new p(0,1,0),new p(0,1,0),new p(0,0,1),new p(0,0,-1)],x=[new Z,new Z,new Z,new Z,new Z,new Z];for(c=0;4!==c;++c){var w=0!==(c&1),D=0!==(c&2),J=new cb({depthPacking:3201,morphTargets:w,skinning:D});n[c]=J;w=new db({morphTargets:w,skinning:D});q[c]=w}var R=this;this.enabled=!1;this.autoUpdate=!0;this.needsUpdate=!1;this.type=1;this.render=function(b,c,d){if(!1!==R.enabled&&(!1!==R.autoUpdate||!1!==R.needsUpdate)&&0!==b.length){var n=a.state;n.disable(a.context.BLEND);
n.buffers.color.setClear(1,1,1,1);n.buffers.depth.setTest(!0);n.setScissorTest(!1);for(var q,v=0,l=b.length;v<l;v++){var t=b[v];q=t.shadow;var X=t&&t.isPointLight;if(void 0===q)console.warn("THREE.WebGLShadowMap:",t,"has no shadow.");else{var w=q.camera;h.copy(q.mapSize);h.min(k);if(X){var p=h.x,B=h.y;x[0].set(2*p,B,p,B);x[1].set(0,B,p,B);x[2].set(3*p,B,p,B);x[3].set(p,B,p,B);x[4].set(3*p,0,p,B);x[5].set(p,0,p,B);h.x*=4;h.y*=2}null===q.map&&(q.map=new ib(h.x,h.y,{minFilt