three/build/three.min.js

JavaScript 3D library

// threejs.org/license
(function(k,xa){"object"===typeof exports&&"undefined"!==typeof module?xa(exports):"function"===typeof define&&define.amd?define(["exports"],xa):xa(k.THREE={})})(this,function(k){function xa(){}function C(a,b){this.x=a||0;this.y=b||0}function M(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];0<arguments.length&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}function ja(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._w=void 0!==d?d:1}function p(a,
b,c){this.x=a||0;this.y=b||0;this.z=c||0}function sa(){this.elements=[1,0,0,0,1,0,0,0,1];0<arguments.length&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}function Y(a,b,c,d,e,f,g,h,l,m){Object.defineProperty(this,"id",{value:xf++});this.uuid=S.generateUUID();this.name="";this.image=void 0!==a?a:Y.DEFAULT_IMAGE;this.mipmaps=[];this.mapping=void 0!==b?b:Y.DEFAULT_MAPPING;this.wrapS=void 0!==c?c:1001;this.wrapT=void 0!==d?d:1001;this.magFilter=void 0!==
e?e:1006;this.minFilter=void 0!==f?f:1008;this.anisotropy=void 0!==l?l:1;this.format=void 0!==g?g:1023;this.type=void 0!==h?h:1009;this.offset=new C(0,0);this.repeat=new C(1,1);this.center=new C(0,0);this.rotation=0;this.matrixAutoUpdate=!0;this.matrix=new sa;this.generateMipmaps=!0;this.premultiplyAlpha=!1;this.flipY=!0;this.unpackAlignment=4;this.encoding=void 0!==m?m:3E3;this.version=0;this.onUpdate=null}function ea(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1}function hb(a,
b,c){this.width=a;this.height=b;this.scissor=new ea(0,0,a,b);this.scissorTest=!1;this.viewport=new ea(0,0,a,b);c=c||{};void 0===c.minFilter&&(c.minFilter=1006);this.texture=new Y(void 0,void 0,c.wrapS,c.wrapT,c.magFilter,c.minFilter,c.format,c.type,c.anisotropy,c.encoding);this.depthBuffer=void 0!==c.depthBuffer?c.depthBuffer:!0;this.stencilBuffer=void 0!==c.stencilBuffer?c.stencilBuffer:!0;this.depthTexture=void 0!==c.depthTexture?c.depthTexture:null}function Ib(a,b,c){hb.call(this,a,b,c);this.activeMipMapLevel=
this.activeCubeFace=0}function ib(a,b,c,d,e,f,g,h,l,m,u,n){Y.call(this,null,f,g,h,l,m,d,e,u,n);this.image={data:a,width:b,height:c};this.magFilter=void 0!==l?l:1003;this.minFilter=void 0!==m?m:1003;this.flipY=this.generateMipmaps=!1;this.unpackAlignment=1}function Va(a,b){this.min=void 0!==a?a:new p(Infinity,Infinity,Infinity);this.max=void 0!==b?b:new p(-Infinity,-Infinity,-Infinity)}function Ea(a,b){this.center=void 0!==a?a:new p;this.radius=void 0!==b?b:0}function Fa(a,b){this.normal=void 0!==
a?a:new p(1,0,0);this.constant=void 0!==b?b:0}function ld(a,b,c,d,e,f){this.planes=[void 0!==a?a:new Fa,void 0!==b?b:new Fa,void 0!==c?c:new Fa,void 0!==d?d:new Fa,void 0!==e?e:new Fa,void 0!==f?f:new Fa]}function I(a,b,c){return void 0===b&&void 0===c?this.set(a):this.setRGB(a,b,c)}function yf(a){function b(b,c){var d=b.array,e=b.dynamic?a.DYNAMIC_DRAW:a.STATIC_DRAW,h=a.createBuffer();a.bindBuffer(c,h);a.bufferData(c,d,e);b.onUploadCallback();c=a.FLOAT;d instanceof Float32Array?c=a.FLOAT:d instanceof
Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):d instanceof Uint16Array?c=a.UNSIGNED_SHORT:d instanceof Int16Array?c=a.SHORT:d instanceof Uint32Array?c=a.UNSIGNED_INT:d instanceof Int32Array?c=a.INT:d instanceof Int8Array?c=a.BYTE:d instanceof Uint8Array&&(c=a.UNSIGNED_BYTE);return{buffer:h,type:c,bytesPerElement:d.BYTES_PER_ELEMENT,version:b.version}}var c=new WeakMap;return{get:function(a){a.isInterleavedBufferAttribute&&(a=a.data);return c.get(a)},
remove:function(b){b.isInterleavedBufferAttribute&&(b=b.data);var d=c.get(b);d&&(a.deleteBuffer(d.buffer),c.delete(b))},update:function(d,e){d.isInterleavedBufferAttribute&&(d=d.data);var f=c.get(d);if(void 0===f)c.set(d,b(d,e));else if(f.version<d.version){var g=d,h=g.array,l=g.updateRange;a.bindBuffer(e,f.buffer);!1===g.dynamic?a.bufferData(e,h,a.STATIC_DRAW):-1===l.count?a.bufferSubData(e,0,h):0===l.count?console.error("THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually."):
(a.bufferSubData(e,l.offset*h.BYTES_PER_ELEMENT,h.subarray(l.offset,l.offset+l.count)),l.count=-1);f.version=d.version}}}}function jb(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._order=d||jb.DefaultOrder}function Sd(){this.mask=1}function A(){Object.defineProperty(this,"id",{value:zf++});this.uuid=S.generateUUID();this.name="";this.type="Object3D";this.parent=null;this.children=[];this.up=A.DefaultUp.clone();var a=new p,b=new jb,c=new ja,d=new p(1,1,1);b.onChange(function(){c.setFromEuler(b,
!1)});c.onChange(function(){b.setFromQuaternion(c,void 0,!1)});Object.defineProperties(this,{position:{enumerable:!0,value:a},rotation:{enumerable:!0,value:b},quaternion:{enumerable:!0,value:c},scale:{enumerable:!0,value:d},modelViewMatrix:{value:new M},normalMatrix:{value:new sa}});this.matrix=new M;this.matrixWorld=new M;this.matrixAutoUpdate=A.DefaultMatrixAutoUpdate;this.matrixWorldNeedsUpdate=!1;this.layers=new Sd;this.visible=!0;this.receiveShadow=this.castShadow=!1;this.frustumCulled=!0;this.renderOrder=
0;this.userData={}}function Qa(){A.call(this);this.type="Camera";this.matrixWorldInverse=new M;this.projectionMatrix=new M}function Jb(a,b,c,d,e,f){Qa.call(this);this.type="OrthographicCamera";this.zoom=1;this.view=null;this.left=a;this.right=b;this.top=c;this.bottom=d;this.near=void 0!==e?e:.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()}function Wa(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d&&d.isVector3?d:new p;this.vertexNormals=Array.isArray(d)?d:[];this.color=e&&e.isColor?
e:new I;this.vertexColors=Array.isArray(e)?e:[];this.materialIndex=void 0!==f?f:0}function N(){Object.defineProperty(this,"id",{value:Af+=2});this.uuid=S.generateUUID();this.name="";this.type="Geometry";this.vertices=[];this.colors=[];this.faces=[];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.groupsNeedUpdate=this.lineDistancesNeedUpdate=this.colorsNeedUpdate=this.normalsNeedUpdate=
this.uvsNeedUpdate=this.verticesNeedUpdate=this.elementsNeedUpdate=!1}function T(a,b,c){if(Array.isArray(a))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="";this.array=a;this.itemSize=b;this.count=void 0!==a?a.length/b:0;this.normalized=!0===c;this.dynamic=!1;this.updateRange={offset:0,count:-1};this.version=0}function rc(a,b,c){T.call(this,new Int8Array(a),b,c)}function sc(a,b,c){T.call(this,new Uint8Array(a),b,c)}function tc(a,b,c){T.call(this,new Uint8ClampedArray(a),
b,c)}function uc(a,b,c){T.call(this,new Int16Array(a),b,c)}function kb(a,b,c){T.call(this,new Uint16Array(a),b,c)}function vc(a,b,c){T.call(this,new Int32Array(a),b,c)}function lb(a,b,c){T.call(this,new Uint32Array(a),b,c)}function z(a,b,c){T.call(this,new Float32Array(a),b,c)}function wc(a,b,c){T.call(this,new Float64Array(a),b,c)}function Ce(){this.vertices=[];this.normals=[];this.colors=[];this.uvs=[];this.uvs2=[];this.groups=[];this.morphTargets={};this.skinWeights=[];this.skinIndices=[];this.boundingSphere=
this.boundingBox=null;this.groupsNeedUpdate=this.uvsNeedUpdate=this.colorsNeedUpdate=this.normalsNeedUpdate=this.verticesNeedUpdate=!1}function De(a){if(0===a.length)return-Infinity;for(var b=a[0],c=1,d=a.length;c<d;++c)a[c]>b&&(b=a[c]);return b}function F(){Object.defineProperty(this,"id",{value:Bf+=2});this.uuid=S.generateUUID();this.name="";this.type="BufferGeometry";this.index=null;this.attributes={};this.morphAttributes={};this.groups=[];this.boundingSphere=this.boundingBox=null;this.drawRange=
{start:0,count:Infinity}}function Kb(a,b,c,d,e,f){N.call(this);this.type="BoxGeometry";this.parameters={width:a,height:b,depth:c,widthSegments:d,heightSegments:e,depthSegments:f};this.fromBufferGeometry(new mb(a,b,c,d,e,f));this.mergeVertices()}function mb(a,b,c,d,e,f){function g(a,b,c,d,e,f,g,k,P,H,ta){var q=f/P,v=g/H,x=f/2,K=g/2,w=k/2;g=P+1;var y=H+1,B=f=0,G,C,z=new p;for(C=0;C<y;C++){var A=C*v-K;for(G=0;G<g;G++)z[a]=(G*q-x)*d,z[b]=A*e,z[c]=w,m.push(z.x,z.y,z.z),z[a]=0,z[b]=0,z[c]=0<k?1:-1,u.push(z.x,
z.y,z.z),n.push(G/P),n.push(1-C/H),f+=1}for(C=0;C<H;C++)for(G=0;G<P;G++)a=t+G+g*(C+1),b=t+(G+1)+g*(C+1),c=t+(G+1)+g*C,l.push(t+G+g*C,a,c),l.push(a,b,c),B+=6;h.addGroup(r,B,ta);r+=B;t+=f}F.call(this);this.type="BoxBufferGeometry";this.parameters={width:a,height:b,depth:c,widthSegments:d,heightSegments:e,depthSegments:f};var h=this;a=a||1;b=b||1;c=c||1;d=Math.floor(d)||1;e=Math.floor(e)||1;f=Math.floor(f)||1;var l=[],m=[],u=[],n=[],t=0,r=0;g("z","y","x",-1,-1,c,b,a,f,e,0);g("z","y","x",1,-1,c,b,-a,
f,e,1);g("x","z","y",1,1,a,c,b,d,f,2);g("x","z","y",1,-1,a,c,-b,d,f,3);g("x","y","z",1,-1,a,b,c,d,e,4);g("x","y","z",-1,-1,a,b,-c,d,e,5);this.setIndex(l);this.addAttribute("position",new z(m,3));this.addAttribute("normal",new z(u,3));this.addAttribute("uv",new z(n,2))}function xc(a,b,c,d){N.call(this);this.type="PlaneGeometry";this.parameters={width:a,height:b,widthSegments:c,heightSegments:d};this.fromBufferGeometry(new pb(a,b,c,d));this.mergeVertices()}function pb(a,b,c,d){F.call(this);this.type=
"PlaneBufferGeometry";this.parameters={width:a,height:b,widthSegments:c,heightSegments:d};a=a||1;b=b||1;var e=a/2,f=b/2;c=Math.floor(c)||1;d=Math.floor(d)||1;var g=c+1,h=d+1,l=a/c,m=b/d,u=[],n=[],t=[],r=[];for(a=0;a<h;a++){var q=a*m-f;for(b=0;b<g;b++)n.push(b*l-e,-q,0),t.push(0,0,1),r.push(b/c),r.push(1-a/d)}for(a=0;a<d;a++)for(b=0;b<c;b++)e=b+g*(a+1),f=b+1+g*(a+1),h=b+1+g*a,u.push(b+g*a,e,h),u.push(e,f,h);this.setIndex(u);this.addAttribute("position",new z(n,3));this.addAttribute("normal",new z(t,
3));this.addAttribute("uv",new z(r,2))}function O(){Object.defineProperty(this,"id",{value:Cf++});this.uuid=S.generateUUID();this.name="";this.type="Material";this.lights=this.fog=!0;this.blending=1;this.side=0;this.flatShading=!1;this.vertexColors=0;this.opacity=1;this.transparent=!1;this.blendSrc=204;this.blendDst=205;this.blendEquation=100;this.blendEquationAlpha=this.blendDstAlpha=this.blendSrcAlpha=null;this.depthFunc=3;this.depthWrite=this.depthTest=!0;this.clippingPlanes=null;this.clipShadows=
this.clipIntersection=!1;this.shadowSide=null;this.colorWrite=!0;this.precision=null;this.polygonOffset=!1;this.polygonOffsetUnits=this.polygonOffsetFactor=0;this.dithering=!1;this.alphaTest=0;this.premultipliedAlpha=!1;this.overdraw=0;this.visible=!0;this.userData={};this.needsUpdate=!0}function za(a){O.call(this);this.type="MeshBasicMaterial";this.color=new I(16777215);this.lightMap=this.map=null;this.lightMapIntensity=1;this.aoMap=null;this.aoMapIntensity=1;this.envMap=this.alphaMap=this.specularMap=
null;this.combine=0;this.reflectivity=1;this.refractionRatio=.98;this.wireframe=!1;this.wireframeLinewidth=1;this.wireframeLinejoin=this.wireframeLinecap="round";this.lights=this.morphTargets=this.skinning=!1;this.setValues(a)}function va(a){O.call(this);this.type="ShaderMaterial";this.defines={};this.uniforms={};this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}";this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";
this.linewidth=1;this.wireframe=!1;this.wireframeLinewidth=1;this.morphNormals=this.morphTargets=this.skinning=this.clipping=this.lights=this.fog=!1;this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1};this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]};this.index0AttributeName=void 0;this.uniformsNeedUpdate=!1;void 0!==a&&(void 0!==a.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(a))}
function qb(a,b){this.origin=void 0!==a?a:new p;this.direction=void 0!==b?b:new p}function Lb(a,b){this.start=void 0!==a?a:new p;this.end=void 0!==b?b:new p}function Aa(a,b,c){this.a=void 0!==a?a:new p;this.b=void 0!==b?b:new p;this.c=void 0!==c?c:new p}function oa(a,b){A.call(this);this.type="Mesh";this.geometry=void 0!==a?a:new F;this.material=void 0!==b?b:new za({color:16777215*Math.random()});this.drawMode=0;this.updateMorphTargets()}function Df(a,b,c,d){function e(a,c){b.buffers.color.setClear(a.r,
a.g,a.b,c,d)}var f=new I(0),g=0,h,l,m;return{getClearColor:function(){return f},setClearColor:function(a,b){f.set(a);g=void 0!==b?b:1;e(f,g)},getClearAlpha:function(){return g},setClearAlpha:function(a){g=a;e(f,g)},render:function(b,d,t,r){d=d.background;null===d?e(f,g):d&&d.isColor&&(e(d,1),r=!0);(a.autoClear||r)&&a.clear(a.autoClearColor,a.autoClearDepth,a.autoClearStencil);d&&d.isCubeTexture?(void 0===m&&(m=new oa(new mb(1,1,1),new va({uniforms:rb.cube.uniforms,vertexShader:rb.cube.vertexShader,
fragmentShader:rb.cube.fragmentShader,side:1,depthTest:!0,depthWrite:!1,fog:!1})),m.geometry.removeAttribute("normal"),m.geometry.removeAttribute("uv"),m.onBeforeRender=function(a,b,c){this.matrixWorld.copyPosition(c.matrixWorld)},c.update(m.geometry)),m.material.uniforms.tCube.value=d,b.push(m,m.geometry,m.material,0,null)):d&&d.isTexture&&(void 0===h&&(h=new Jb(-1,1,1,-1,0,1),l=new oa(new pb(2,2),new za({depthTest:!1,depthWrite:!1,fog:!1})),c.update(l.geometry)),l.material.map=d,a.renderBufferDirect(h,
null,l.geometry,l.material,l,null))}}}function Ef(a,b,c){var d;this.setMode=function(a){d=a};this.render=function(b,f){a.drawArrays(d,b,f);c.update(f,d)};this.renderInstances=function(a,f,g){var e=b.get("ANGLE_instanced_arrays");if(null===e)console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");else{var l=a.attributes.position;l.isInterleavedBufferAttribute?(g=l.data.count,e.drawArraysInstancedANGLE(d,0,g,a.maxInstancedCount)):
e.drawArraysInstancedANGLE(d,f,g,a.maxInstancedCount);c.update(g,d,a.maxInstancedCount)}}}function Ff(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=void 0!==
c.precision?c.precision:"highp",g=d(f);g!==f&&(console.warn("THREE.WebGLRenderer:",f,"not supported, using",g,"instead."),f=g);c=!0===c.logarithmicDepthBuffer;g=a.getParameter(a.MAX_TEXTURE_IMAGE_UNITS);var h=a.getParameter(a.MAX_VERTEX_TEXTURE_IMAGE_UNITS),l=a.getParameter(a.MAX_TEXTURE_SIZE),m=a.getParameter(a.MAX_CUBE_MAP_TEXTURE_SIZE),u=a.getParameter(a.MAX_VERTEX_ATTRIBS),n=a.getParameter(a.MAX_VERTEX_UNIFORM_VECTORS),t=a.getParameter(a.MAX_VARYING_VECTORS),r=a.getParameter(a.MAX_FRAGMENT_UNIFORM_VECTORS),
q=0<h,k=!!b.get("OES_texture_float");return{getMaxAnisotropy:function(){if(void 0!==e)return e;var c=b.get("EXT_texture_filter_anisotropic");return e=null!==c?a.getParameter(c.MAX_TEXTURE_MAX_ANISOTROPY_EXT):0},getMaxPrecision:d,precision:f,logarithmicDepthBuffer:c,maxTextures:g,maxVertexTextures:h,maxTextureSize:l,maxCubemapSize:m,maxAttributes:u,maxVertexUniforms:n,maxVaryings:t,maxFragmentUniforms:r,vertexTextures:q,floatFragmentTextures:k,floatVertexTextures:q&&k}}function Gf(){function a(){m.value!==
d&&(m.value=d,m.needsUpdate=0<e);c.numPlanes=e;c.numIntersection=0}function b(a,b,d,e){var f=null!==a?a.length:0,g=null;if(0!==f){g=m.value;if(!0!==e||null===g){e=d+4*f;b=b.matrixWorldInverse;l.getNormalMatrix(b);if(null===g||g.length<e)g=new Float32Array(e);for(e=0;e!==f;++e,d+=4)h.copy(a[e]).applyMatrix4(b,l),h.normal.toArray(g,d),g[d+3]=h.constant}m.value=g;m.needsUpdate=!0}c.numPlanes=f;return g}var c=this,d=null,e=0,f=!1,g=!1,h=new Fa,l=new sa,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,l,r,q,k){if(!f||null===c||0===c.length||g&&!l)g?b(null):a();else{l=g?0:e;var n=4*l,u=q.clippingState||null;m.value=u;u=b(c,r,n,k);for(c=0;c!==n;++c)u[c]=d[c];q.clippingState=u;this.numIntersection=h?this.numPlanes:0;this.numPlanes+=l}}}function Hf(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=a.getExtension("WEBGL_compressed_texture_s3tc")||a.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||
a.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case "WEBGL_compressed_texture_pvrtc":d=a.getExtension("WEBGL_compressed_texture_pvrtc")||a.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;case "WEBGL_compressed_texture_etc1":d=a.getExtension("WEBGL_compressed_texture_etc1");break;default:d=a.getExtension(c)}null===d&&console.warn("THREE.WebGLRenderer: "+c+" extension not supported.");return b[c]=d}}}function If(a,b,c){function d(a){a=a.target;var g=e[a.id];null!==g.index&&
b.remove(g.index);for(var l in g.attributes)b.remove(g.attributes[l]);a.removeEventListener("dispose",d);delete e[a.id];if(l=f[a.id])b.remove(l),delete f[a.id];if(l=f[g.id])b.remove(l),delete f[g.id];c.memory.geometries--}var e={},f={};return{get:function(a,b){var f=e[b.id];if(f)return f;b.addEventListener("dispose",d);b.isBufferGeometry?f=b:b.isGeometry&&(void 0===b._bufferGeometry&&(b._bufferGeometry=(new F).setFromObject(a)),f=b._bufferGeometry);e[b.id]=f;c.memory.geometries++;return f},update:function(c){var d=
c.index,e=c.attributes;null!==d&&b.update(d,a.ELEMENT_ARRAY_BUFFER);for(var f in e)b.update(e[f],a.ARRAY_BUFFER);c=c.morphAttributes;for(f in c){d=c[f];e=0;for(var g=d.length;e<g;e++)b.update(d[e],a.ARRAY_BUFFER)}},getWireframeAttribute:function(c){var d=f[c.id];if(d)return d;d=[];var e=c.index,g=c.attributes;if(null!==e){e=e.array;g=0;for(var u=e.length;g<u;g+=3){var n=e[g+0],t=e[g+1],r=e[g+2];d.push(n,t,t,r,r,n)}}else for(e=g.position.array,g=0,u=e.length/3-1;g<u;g+=3)n=g+0,t=g+1,r=g+2,d.push(n,
t,t,r,r,n);d=new (65535<De(d)?lb:kb)(d,1);b.update(d,a.ELEMENT_ARRAY_BUFFER);return f[c.id]=d}}}function Jf(a,b,c){var d,e,f;this.setMode=function(a){d=a};this.setIndex=function(a){e=a.type;f=a.bytesPerElement};this.render=function(b,h){a.drawElements(d,h,e,b*f);c.update(h,d)};this.renderInstances=function(a,h,l){var g=b.get("ANGLE_instanced_arrays");null===g?console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays."):
(g.drawElementsInstancedANGLE(d,l,e,h*f,a.maxInstancedCount),c.update(l,d,a.maxInstancedCount))}}function Kf(a){var b={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:b,programs:null,autoReset:!0,reset:function(){b.frame++;b.calls=0;b.triangles=0;b.points=0;b.lines=0},update:function(c,d,e){e=e||1;b.calls++;switch(d){case a.TRIANGLES:b.triangles+=c/3*e;break;case a.TRIANGLE_STRIP:case a.TRIANGLE_FAN:b.triangles+=e*(c-2);break;case a.LINES:b.lines+=c/2*
e;break;case a.LINE_STRIP:b.lines+=e*(c-1);break;case a.LINE_LOOP:b.lines+=e*c;break;case a.POINTS:b.points+=e*c;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",d)}}}}function Lf(a,b){return Math.abs(b[1])-Math.abs(a[1])}function Mf(a){var b={},c=new Float32Array(8);return{update:function(d,e,f,g){var h=d.morphTargetInfluences,l=h.length;d=b[e.id];if(void 0===d){d=[];for(var m=0;m<l;m++)d[m]=[m,0];b[e.id]=d}var u=f.morphTargets&&e.morphAttributes.position;f=f.morphNormals&&e.morphAttributes.normal;
for(m=0;m<l;m++){var n=d[m];0!==n[1]&&(u&&e.removeAttribute("morphTarget"+m),f&&e.removeAttribute("morphNormal"+m))}for(m=0;m<l;m++)n=d[m],n[0]=m,n[1]=h[m];d.sort(Lf);for(m=0;8>m;m++){if(n=d[m])if(h=n[0],l=n[1]){u&&e.addAttribute("morphTarget"+m,u[h]);f&&e.addAttribute("morphNormal"+m,f[h]);c[m]=l;continue}c[m]=0}g.getUniforms().setValue(a,"morphTargetInfluences",c)}}}function Nf(a,b){var c={};return{update:function(d){var e=b.render.frame,f=d.geometry,g=a.get(d,f);c[g.id]!==e&&(f.isGeometry&&g.updateFromObject(d),
a.update(g),c[g.id]=e);return g},dispose:function(){c={}}}}function ab(a,b,c,d,e,f,g,h,l,m){a=void 0!==a?a:[];Y.call(this,a,void 0!==b?b:301,c,d,e,f,g,h,l,m);this.flipY=!1}function Mb(a,b,c){var d=a[0];if(0>=d||0<d)return a;var e=b*c,f=Ee[e];void 0===f&&(f=new Float32Array(e),Ee[e]=f);if(0!==b)for(d.toArray(f,0),d=1,e=0;d!==b;++d)e+=c,a[d].toArray(f,e);return f}function Fe(a,b){var c=Ge[b];void 0===c&&(c=new Int32Array(b),Ge[b]=c);for(var d=0;d!==b;++d)c[d]=a.allocTextureUnit();return c}function Of(a,
b){a.uniform1f(this.addr,b)}function Pf(a,b){a.uniform1i(this.addr,b)}function Qf(a,b){void 0===b.x?a.uniform2fv(this.addr,b):a.uniform2f(this.addr,b.x,b.y)}function Rf(a,b){void 0!==b.x?a.uniform3f(this.addr,b.x,b.y,b.z):void 0!==b.r?a.uniform3f(this.addr,b.r,b.g,b.b):a.uniform3fv(this.addr,b)}function Sf(a,b){void 0===b.x?a.uniform4fv(this.addr,b):a.uniform4f(this.addr,b.x,b.y,b.z,b.w)}function Tf(a,b){a.uniformMatrix2fv(this.addr,!1,b.elements||b)}function Uf(a,b){void 0===b.elements?a.uniformMatrix3fv(this.addr,
!1,b):(He.set(b.elements),a.uniformMatrix3fv(this.addr,!1,He))}function Vf(a,b){void 0===b.elements?a.uniformMatrix4fv(this.addr,!1,b):(Ie.set(b.elements),a.uniformMatrix4fv(this.addr,!1,Ie))}function Wf(a,b,c){var d=c.allocTextureUnit();a.uniform1i(this.addr,d);c.setTexture2D(b||Je,d)}function Xf(a,b,c){var d=c.allocTextureUnit();a.uniform1i(this.addr,d);c.setTextureCube(b||Ke,d)}function Le(a,b){a.uniform2iv(this.addr,b)}function Me(a,b){a.uniform3iv(this.addr,b)}function Ne(a,b){a.uniform4iv(this.addr,
b)}function Yf(a){switch(a){case 5126:return Of;case 35664:return Qf;case 35665:return Rf;case 35666:return Sf;case 35674:return Tf;case 35675:return Uf;case 35676:return Vf;case 35678:case 36198:return Wf;case 35680:return Xf;case 5124:case 35670:return Pf;case 35667:case 35671:return Le;case 35668:case 35672:return Me;case 35669:case 35673:return Ne}}function Zf(a,b){a.uniform1fv(this.addr,b)}function $f(a,b){a.uniform1iv(this.addr,b)}function ag(a,b){a.uniform2fv(this.addr,Mb(b,this.size,2))}function bg(a,
b){a.uniform3fv(this.addr,Mb(b,this.size,3))}function cg(a,b){a.uniform4fv(this.addr,Mb(b,this.size,4))}function dg(a,b){a.uniformMatrix2fv(this.addr,!1,Mb(b,this.size,4))}function eg(a,b){a.uniformMatrix3fv(this.addr,!1,Mb(b,this.size,9))}function fg(a,b){a.uniformMatrix4fv(this.addr,!1,Mb(b,this.size,16))}function gg(a,b,c){var d=b.length,e=Fe(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.setTexture2D(b[a]||Je,e[a])}function hg(a,b,c){var d=b.length,e=Fe(c,d);a.uniform1iv(this.addr,e);for(a=
0;a!==d;++a)c.setTextureCube(b[a]||Ke,e[a])}function ig(a){switch(a){case 5126:return Zf;case 35664:return ag;case 35665:return bg;case 35666:return cg;case 35674:return dg;case 35675:return eg;case 35676:return fg;case 35678:return gg;case 35680:return hg;case 5124:case 35670:return $f;case 35667:case 35671:return Le;case 35668:case 35672:return Me;case 35669:case 35673:return Ne}}function jg(a,b,c){this.id=a;this.addr=c;this.setValue=Yf(b.type)}function kg(a,b,c){this.id=a;this.addr=c;this.size=
b.size;this.setValue=ig(b.type)}function Oe(a){this.id=a;this.seq=[];this.map={}}function bb(a,b,c){this.seq=[];this.map={};this.renderer=c;c=a.getProgramParameter(b,a.ACTIVE_UNIFORMS);for(var d=0;d<c;++d){var e=a.getActiveUniform(b,d),f=a.getUniformLocation(b,e.name),g=this,h=e.name,l=h.length;for(Ud.lastIndex=0;;){var m=Ud.exec(h),u=Ud.lastIndex,n=m[1],t=m[3];"]"===m[2]&&(n|=0);if(void 0===t||"["===t&&u+2===l){h=g;e=void 0===t?new jg(n,e,f):new kg(n,e,f);h.seq.push(e);h.map[e.id]=e;break}else t=
g.map[n],void 0===t&&(t=new Oe(n),n=g,g=t,n.seq.push(g),n.map[g.id]=g),g=t}}}function lg(a){a=a.split("\n");for(var b=0;b<a.length;b++)a[b]=b+1+": "+a[b];return a.join("\n")}function Pe(a,b,c){var d=a.createShader(b);a.shaderSource(d,c);a.compileShader(d);!1===a.getShaderParameter(d,a.COMPILE_STATUS)&&console.error("THREE.WebGLShader: Shader couldn't compile.");""!==a.getShaderInfoLog(d)&&console.warn("THREE.WebGLShader: gl.getShaderInfoLog()",b===a.VERTEX_SHADER?"vertex":"fragment",a.getShaderInfoLog(d),
lg(c));return d}function Qe(a){switch(a){case 3E3:return["Linear","( value )"];case 3001:return["sRGB","( value )"];case 3002:return["RGBE","( value )"];case 3004:return["RGBM","( value, 7.0 )"];case 3005:return["RGBM","( value, 16.0 )"];case 3006:return["RGBD","( value, 256.0 )"];case 3007:return["Gamma","( value, float( GAMMA_FACTOR ) )"];default:throw Error("unsupported encoding: "+a);}}function Vd(a,b){b=Qe(b);return"vec4 "+a+"( vec4 value ) { return "+b[0]+"ToLinear"+b[1]+"; }"}function mg(a,
b){b=Qe(b);return"vec4 "+a+"( vec4 value ) { return LinearTo"+b[0]+b[1]+"; }"}function ng(a,b){switch(b){case 1:b="Linear";break;case 2:b="Reinhard";break;case 3:b="Uncharted2";break;case 4:b="OptimizedCineon";break;default:throw Error("unsupported toneMapping: "+b);}return"vec3 "+a+"( vec3 color ) { return "+b+"ToneMapping( color ); }"}function og(a,b,c){a=a||{};return[a.derivatives||b.envMapCubeUV||b.bumpMap||b.normalMap||b.flatShading?"#extension GL_OES_standard_derivatives : enable":"",(a.fragDepth||
b.logarithmicDepthBuffer)&&c.get("EXT_frag_depth")?"#extension GL_EXT_frag_depth : enable":"",a.drawBuffers&&c.get("WEBGL_draw_buffers")?"#extension GL_EXT_draw_buffers : require":"",(a.shaderTextureLOD||b.envMap)&&c.get("EXT_shader_texture_lod")?"#extension GL_EXT_shader_texture_lod : enable":""].filter(yc).join("\n")}function pg(a){var b=[],c;for(c in a){var d=a[c];!1!==d&&b.push("#define "+c+" "+d)}return b.join("\n")}function yc(a){return""!==a}function Re(a,b){return a.replace(/NUM_DIR_LIGHTS/g,
b.numDirLights).replace(/NUM_SPOT_LIGHTS/g,b.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g,b.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g,b.numPointLights).replace(/NUM_HEMI_LIGHTS/g,b.numHemiLights)}function Se(a,b){return a.replace(/NUM_CLIPPING_PLANES/g,b.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,b.numClippingPlanes-b.numClipIntersection)}function Wd(a){return a.replace(/^[ \t]*#include +<([\w\d.]+)>/gm,function(a,c){a=V[c];if(void 0===a)throw Error("Can not resolve #include <"+c+
">");return Wd(a)})}function Te(a){return a.replace(/#pragma unroll_loop[\s]+?for \( int i = (\d+); i < (\d+); i \+\+ \) \{([\s\S]+?)(?=\})\}/g,function(a,c,d,e){a="";for(c=parseInt(c);c<parseInt(d);c++)a+=e.replace(/\[ i \]/g,"[ "+c+" ]");return a})}function qg(a,b,c,d,e,f){var g=a.context,h=d.defines,l=e.vertexShader,m=e.fragmentShader,u="SHADOWMAP_TYPE_BASIC";1===f.shadowMapType?u="SHADOWMAP_TYPE_PCF":2===f.shadowMapType&&(u="SHADOWMAP_TYPE_PCF_SOFT");var n="ENVMAP_TYPE_CUBE",t="ENVMAP_MODE_REFLECTION",
r="ENVMAP_BLENDING_MULTIPLY";if(f.envMap){switch(d.envMap.mapping){case 301:case 302:n="ENVMAP_TYPE_CUBE";break;case 306:case 307:n="ENVMAP_TYPE_CUBE_UV";break;case 303:case 304:n="ENVMAP_TYPE_EQUIREC";break;case 305:n="ENVMAP_TYPE_SPHERE"}switch(d.envMap.mapping){case 302:case 304:t="ENVMAP_MODE_REFRACTION"}switch(d.combine){case 0:r="ENVMAP_BLENDING_MULTIPLY";break;case 1:r="ENVMAP_BLENDING_MIX";break;case 2:r="ENVMAP_BLENDING_ADD"}}var k=0<a.gammaFactor?a.gammaFactor:1,v=og(d.extensions,f,b),x=
pg(h),p=g.createProgram();d.isRawShaderMaterial?(h=[x].filter(yc).join("\n"),0<h.length&&(h+="\n"),b=[v,x].filter(yc).join("\n"),0<b.length&&(b+="\n")):(h=["precision "+f.precision+" float;","precision "+f.precision+" int;","#define SHADER_NAME "+e.name,x,f.supportsVertexTextures?"#define VERTEX_TEXTURES":"","#define GAMMA_FACTOR "+k,"#define MAX_BONES "+f.maxBones,f.useFog&&f.fog?"#define USE_FOG":"",f.useFog&&f.fogExp?"#define FOG_EXP2":"",f.map?"#define USE_MAP":"",f.envMap?"#define USE_ENVMAP":
"",f.envMap?"#define "+t:"",f.lightMap?"#define USE_LIGHTMAP":"",f.aoMap?"#define USE_AOMAP":"",f.emissiveMap?"#define USE_EMISSIVEMAP":"",f.bumpMap?"#define USE_BUMPMAP":"",f.normalMap?"#define USE_NORMALMAP":"",f.displacementMap&&f.supportsVertexTextures?"#define USE_DISPLACEMENTMAP":"",f.specularMap?"#define USE_SPECULARMAP":"",f.roughnessMap?"#define USE_ROUGHNESSMAP":"",f.metalnessMap?"#define USE_METALNESSMAP":"",f.alphaMap?"#define USE_ALPHAMAP":"",f.vertexColors?"#define USE_COLOR":"",f.flatShading?
"#define FLAT_SHADED":"",f.skinning?"#define USE_SKINNING":"",f.useVertexTexture?"#define BONE_TEXTURE":"",f.morphTargets?"#define USE_MORPHTARGETS":"",f.morphNormals&&!1===f.flatShading?"#define USE_MORPHNORMALS":"",f.doubleSided?"#define DOUBLE_SIDED":"",f.flipSided?"#define FLIP_SIDED":"",f.shadowMapEnabled?"#define USE_SHADOWMAP":"",f.shadowMapEnabled?"#define "+u:"",f.sizeAttenuation?"#define USE_SIZEATTENUATION":"",f.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",f.logarithmicDepthBuffer&&
b.get("EXT_frag_depth")?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","attribute vec3 position;","attribute vec3 normal;","attribute vec2 uv;","#ifdef USE_COLOR","\tattribute vec3 color;","#endif","#ifdef USE_MORPHTARGETS","\tattribute vec3 morphTarget0;","\tattribute vec3 morphTarget1;","\tattribute vec3 morphTarget2;","\tattribute vec3 morphTarget3;",
"\t#ifdef USE_MORPHNORMALS","\t\tattribute vec3 morphNormal0;","\t\tattribute vec3 morphNormal1;","\t\tattribute vec3 morphNormal2;","\t\tattribute vec3 morphNormal3;","\t#else","\t\tattribute vec3 morphTarget4;","\t\tattribute vec3 morphTarget5;","\t\tattribute vec3 morphTarget6;","\t\tattribute vec3 morphTarget7;","\t#endif","#endif","#ifdef USE_SKINNING","\tattribute vec4 skinIndex;","\tattribute vec4 skinWeight;","#endif","\n"].filter(yc).join("\n"),b=[v,"precision "+f.precision+" float;","precision "+
f.precision+" int;","#define SHADER_NAME "+e.name,x,f.alphaTest?"#define ALPHATEST "+f.alphaTest:"","#define GAMMA_FACTOR "+k,f.useFog&&f.fog?"#define USE_FOG":"",f.useFog&&f.fogExp?"#define FOG_EXP2":"",f.map?"#define USE_MAP":"",f.envMap?"#define USE_ENVMAP":"",f.envMap?"#define "+n:"",f.envMap?"#define "+t:"",f.envMap?"#define "+r:"",f.lightMap?"#define USE_LIGHTMAP":"",f.aoMap?"#define USE_AOMAP":"",f.emissiveMap?"#define USE_EMISSIVEMAP":"",f.bumpMap?"#define USE_BUMPMAP":"",f.normalMap?"#define USE_NORMALMAP":
"",f.specularMap?"#define USE_SPECULARMAP":"",f.roughnessMap?"#define USE_ROUGHNESSMAP":"",f.metalnessMap?"#define USE_METALNESSMAP":"",f.alphaMap?"#define USE_ALPHAMAP":"",f.vertexColors?"#define USE_COLOR":"",f.gradientMap?"#define USE_GRADIENTMAP":"",f.flatShading?"#define FLAT_SHADED":"",f.doubleSided?"#define DOUBLE_SIDED":"",f.flipSided?"#define FLIP_SIDED":"",f.shadowMapEnabled?"#define USE_SHADOWMAP":"",f.shadowMapEnabled?"#define "+u:"",f.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":
"",f.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",f.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",f.logarithmicDepthBuffer&&b.get("EXT_frag_depth")?"#define USE_LOGDEPTHBUF_EXT":"",f.envMap&&b.get("EXT_shader_texture_lod")?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;",0!==f.toneMapping?"#define TONE_MAPPING":"",0!==f.toneMapping?V.tonemapping_pars_fragment:"",0!==f.toneMapping?ng("toneMapping",f.toneMapping):"",f.dithering?"#define DITHERING":
"",f.outputEncoding||f.mapEncoding||f.envMapEncoding||f.emissiveMapEncoding?V.encodings_pars_fragment:"",f.mapEncoding?Vd("mapTexelToLinear",f.mapEncoding):"",f.envMapEncoding?Vd("envMapTexelToLinear",f.envMapEncoding):"",f.emissiveMapEncoding?Vd("emissiveMapTexelToLinear",f.emissiveMapEncoding):"",f.outputEncoding?mg("linearToOutputTexel",f.outputEncoding):"",f.depthPacking?"#define DEPTH_PACKING "+d.depthPacking:"","\n"].filter(yc).join("\n"));l=Wd(l);l=Re(l,f);l=Se(l,f);m=Wd(m);m=Re(m,f);m=Se(m,
f);l=Te(l);m=Te(m);m=b+m;l=Pe(g,g.VERTEX_SHADER,h+l);m=Pe(g,g.FRAGMENT_SHADER,m);g.attachShader(p,l);g.attachShader(p,m);void 0!==d.index0AttributeName?g.bindAttribLocation(p,0,d.index0AttributeName):!0===f.morphTargets&&g.bindAttribLocation(p,0,"position");g.linkProgram(p);f=g.getProgramInfoLog(p).trim();e=g.getShaderInfoLog(l).trim();u=g.getShaderInfoLog(m).trim();t=n=!0;if(!1===g.getProgramParameter(p,g.LINK_STATUS))n=!1,console.error("THREE.WebGLProgram: shader error: ",g.getError(),"gl.VALIDATE_STATUS",
g.getProgramParameter(p,g.VALIDATE_STATUS),"gl.getProgramInfoLog",f,e,u);else if(""!==f)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",f);else if(""===e||""===u)t=!1;t&&(this.diagnostics={runnable:n,material:d,programLog:f,vertexShader:{log:e,prefix:h},fragmentShader:{log:u,prefix:b}});g.deleteShader(l);g.deleteShader(m);var w;this.getUniforms=function(){void 0===w&&(w=new bb(g,p,a));return w};var B;this.getAttributes=function(){if(void 0===B){for(var a={},b=g.getProgramParameter(p,g.ACTIVE_ATTRIBUTES),
c=0;c<b;c++){var d=g.getActiveAttrib(p,c).name;a[d]=g.getAttribLocation(p,d)}B=a}return B};this.destroy=function(){g.deleteProgram(p);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.id=rg++;this.code=c;this.usedTimes=1;this.program=p;this.vertexShader=
l;this.fragmentShader=m;return this}function sg(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",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow"},g="precision supportsVertexTextures map mapEncoding envMap envMapMode envMapEncoding lightMap aoMap emissiveMap emissiveMapEncoding bumpMap normalMap 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,u,n,t,r){var h=f[b.type];if(r.isSkinnedMesh){var l=r.skeleton.bones;if(c.floatVertexTextures)l=1024;else{var m=Math.min(Math.floor((c.maxVertexUniforms-20)/4),l.length);m<l.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+l.length+" bones. This GPU supports "+m+"."),l=0):l=m}}else l=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 k=a.getRenderTarget();return{shaderID:h,precision:m,supportsVertexTextures:c.vertexTextures,outputEncoding:d(k?k.texture:null,a.gammaOutput),map:!!b.map,mapEncoding:d(b.map,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,
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:!!u,useFog:b.fog,fogExp:u&&u.isFogExp2,flatShading:b.flatShading,sizeAttenuation:b.sizeAttenuation,logarithmicDepthBuffer:c.logarithmicDepthBuffer,skinning:b.skinning&&0<l,maxBones:l,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:t,dithering:b.dithering,shadowMapEnabled:a.shadowMap.enabled&&r.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(c,d,f,g){for(var h,l=0,m=e.length;l<
m;l++){var u=e[l];if(u.code===g){h=u;++h.usedTimes;break}}void 0===h&&(h=new qg(a,b,g,c,d,f),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 tg(){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 ug(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 vg(a,b){return a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.z!==b.z?b.z-a.z:a.id-b.id}function wg(){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,l){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:l},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=l);(!0===g.transparent?d:c).push(m);b++},sort:function(){1<c.length&&c.sort(ug);1<d.length&&d.sort(vg)}}}function xg(){var a={};return{get:function(b,c){b=b.id+","+c.id;c=a[b];void 0===c&&(c=new wg,a[b]=c);return c},dispose:function(){a={}}}}function yg(){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 I,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new C};break;case "SpotLight":c={position:new p,direction:new p,color:new I,distance:0,coneCos:0,penumbraCos:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new C};break;case "PointLight":c={position:new p,color:new I,distance:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new C,shadowCameraNear:1,shadowCameraFar:1E3};break;case "HemisphereLight":c={direction:new p,skyColor:new I,groundColor:new I};
break;case "RectAreaLight":c={color:new I,position:new p,halfWidth:new p,halfHeight:new p}}return a[b.id]=c}}}function zg(){var a=new yg,b={id:Ag++,hash:"",ambient:[0,0,0],directional:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],point:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]},c=new p,d=new M,e=new M;return{setup:function(f,g,h){var l=0,m=0,u=0,n=0,t=0,r=0,k=0,v=0;h=h.matrixWorldInverse;for(var x=0,p=f.length;x<p;x++){var w=
f[x],B=w.color,G=w.intensity,K=w.distance,P=w.shadow&&w.shadow.map?w.shadow.map.texture:null;if(w.isAmbientLight)l+=B.r*G,m+=B.g*G,u+=B.b*G;else if(w.isDirectionalLight){var H=a.get(w);H.color.copy(w.color).multiplyScalar(w.intensity);H.direction.setFromMatrixPosition(w.matrixWorld);c.setFromMatrixPosition(w.target.matrixWorld);H.direction.sub(c);H.direction.transformDirection(h);if(H.shadow=w.castShadow)B=w.shadow,H.shadowBias=B.bias,H.shadowRadius=B.radius,H.shadowMapSize=B.mapSize;b.directionalShadowMap[n]=
P;b.directionalShadowMatrix[n]=w.shadow.matrix;b.directional[n]=H;n++}else if(w.isSpotLight){H=a.get(w);H.position.setFromMatrixPosition(w.matrixWorld);H.position.applyMatrix4(h);H.color.copy(B).multiplyScalar(G);H.distance=K;H.direction.setFromMatrixPosition(w.matrixWorld);c.setFromMatrixPosition(w.target.matrixWorld);H.direction.sub(c);H.direction.transformDirection(h);H.coneCos=Math.cos(w.angle);H.penumbraCos=Math.cos(w.angle*(1-w.penumbra));H.decay=0===w.distance?0:w.decay;if(H.shadow=w.castShadow)B=
w.shadow,H.shadowBias=B.bias,H.shadowRadius=B.radius,H.shadowMapSize=B.mapSize;b.spotShadowMap[r]=P;b.spotShadowMatrix[r]=w.shadow.matrix;b.spot[r]=H;r++}else if(w.isRectAreaLight)H=a.get(w),H.color.copy(B).multiplyScalar(G),H.position.setFromMatrixPosition(w.matrixWorld),H.position.applyMatrix4(h),e.identity(),d.copy(w.matrixWorld),d.premultiply(h),e.extractRotation(d),H.halfWidth.set(.5*w.width,0,0),H.halfHeight.set(0,.5*w.height,0),H.halfWidth.applyMatrix4(e),H.halfHeight.applyMatrix4(e),b.rectArea[k]=
H,k++;else if(w.isPointLight){H=a.get(w);H.position.setFromMatrixPosition(w.matrixWorld);H.position.applyMatrix4(h);H.color.copy(w.color).multiplyScalar(w.intensity);H.distance=w.distance;H.decay=0===w.distance?0:w.decay;if(H.shadow=w.castShadow)B=w.shadow,H.shadowBias=B.bias,H.shadowRadius=B.radius,H.shadowMapSize=B.mapSize,H.shadowCameraNear=B.camera.near,H.shadowCameraFar=B.camera.far;b.pointShadowMap[t]=P;b.pointShadowMatrix[t]=w.shadow.matrix;b.point[t]=H;t++}else w.isHemisphereLight&&(H=a.get(w),
H.direction.setFromMatrixPosition(w.matrixWorld),H.direction.transformDirection(h),H.direction.normalize(),H.skyColor.copy(w.color).multiplyScalar(G),H.groundColor.copy(w.groundColor).multiplyScalar(G),b.hemi[v]=H,v++)}b.ambient[0]=l;b.ambient[1]=m;b.ambient[2]=u;b.directional.length=n;b.spot.length=r;b.rectArea.length=k;b.point.length=t;b.hemi.length=v;b.hash=b.id+","+n+","+t+","+r+","+k+","+v+","+g.length},state:b}}function Bg(){var a=new zg,b=[],c=[],d=[];return{init:function(){b.length=0;c.length=
0;d.length=0},state:{lightsArray:b,shadowsArray:c,spritesArray:d,lights:a},setupLights:function(d){a.setup(b,c,d)},pushLight:function(a){b.push(a)},pushShadow:function(a){c.push(a)},pushSprite:function(a){d.push(a)}}}function Cg(){var a={};return{get:function(b,c){b=b.id+","+c.id;c=a[b];void 0===c&&(c=new Bg,a[b]=c);return c},dispose:function(){a={}}}}function cb(a){O.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){O.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 Ue(a,b,c){function d(b,c,d,e,f,g){var h=
b.geometry;var l=n;var m=b.customDepthMaterial;d&&(l=t,m=b.customDistanceMaterial);m?l=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),l=l[h]);a.localClippingEnabled&&!0===
c.clipShadows&&0!==c.clippingPlanes.length&&(h=l.uuid,m=c.uuid,b=r[h],void 0===b&&(b={},r[h]=b),h=b[m],void 0===h&&(h=l.clone(),b[m]=h),l=h);l.visible=c.visible;l.wireframe=c.wireframe;l.side=null!=c.shadowSide?c.shadowSide:k[c.side];l.clipShadows=c.clipShadows;l.clippingPlanes=c.clippingPlanes;l.clipIntersection=c.clipIntersection;l.wireframeLinewidth=c.wireframeLinewidth;l.linewidth=c.linewidth;d&&l.isMeshDistanceMaterial&&(l.referencePosition.copy(e),l.nearDistance=f,l.farDistance=g);return l}
function e(c,g,h,l){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 t=m.groups,r=0,k=t.length;r<k;r++){var q=t[r],v=n[q.materialIndex];v&&v.visible&&(v=d(c,v,l,u,h.near,h.far),a.renderBufferDirect(h,null,m,v,c,q))}else n.visible&&(v=d(c,n,l,u,h.near,h.far),a.renderBufferDirect(h,null,
m,v,c,null))}c=c.children;m=0;for(n=c.length;m<n;m++)e(c[m],g,h,l)}}var f=new ld,g=new M,h=new C,l=new C(c,c),m=new p,u=new p,n=Array(4),t=Array(4),r={},k={0:1,1:0,2:2},v=[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)],x=[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)],y=[new ea,new ea,new ea,new ea,new ea,new ea];for(c=0;4!==c;++c){var w=0!==(c&1),B=0!==(c&2),G=new cb({depthPacking:3201,morphTargets:w,skinning:B});n[c]=G;w=new db({morphTargets:w,
skinning:B});t[c]=w}var K=this;this.enabled=!1;this.autoUpdate=!0;this.needsUpdate=!1;this.type=1;this.render=function(b,c,d){if(!1!==K.enabled&&(!1!==K.autoUpdate||!1!==K.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 t,r=0,k=b.length;r<k;r++){var q=b[r];t=q.shadow;var p=q&&q.isPointLight;if(void 0===t)console.warn("THREE.WebGLShadowMap:",q,"has no shadow.");else{var w=t.camera;h.copy(t.mapSize);
h.min(l);if(p){var P=h.x,H=h.y;y[0].set(2*P,H,P,H);y[1].set(0,H,P,H);y[2].set(3*P,H,P,H);y[3].set(P,H,P,H);y[4].set(3*P,0,P,H);y[5].set(P,0,P,H);h.x*=4;h.y*=2}null===t.map&&(t.map=new hb(h.x,h.y,{minFilter:1003,magFilter:1003,format:1023}),t.map.texture.name=q.name+".shadowMap",w.updateProjectionMatrix());t.isSpotLightShadow&&t.update(q);P=t.map;H=t.matrix;u.setFromMatrixPosition(q.matrixWorld);w.position.copy(u);p?(t=6,H.makeTranslation(-u.x,-u.y,-u.z)):(t=1,m.setFromMatrixPosition(q.target.matrixWorld),
w.lookAt(m),w.updateMatrixWorld(),H.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),H.multiply(w.projectionMatrix),H.multiply(w.matrixWorldInverse));a.setRenderTarget(P);a.clear();for(q=0;q<t;q++)p&&(m.copy(w.position),m.add(v[q]),w.up.copy(x[q]),w.lookAt(m),w.updateMatrixWorld(),n.viewport(y[q])),g.multiplyMatrices(w.projectionMatrix,w.matrixWorldInverse),f.setFromMatrix(g),e(c,d,w,p)}}K.needsUpdate=!1}}}function zc(a,b,c,d,e,f,g,h,l){Y.call(this,a,b,c,d,e,f,g,h,l);this.needsUpdate=!0}function Dg(a,b,
c,d,e){var f,g,h,l,m,u,n,t,r,k,v,x,y,w,B,G,K,P;function H(a,b){return a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.z!==b.z?b.z-a.z:b.id-a.id}var C,nb,Z,z,A=new p,F=new ja,I=new p;this.render=function(q,p,md){if(0!==q.length){if(void 0===Z){var ta=new Float32Array([-.5,-.5,0,0,.5,-.5,1,0,.5,.5,1,1,-.5,.5,0,1]),ya=new Uint16Array([0,1,2,0,2,3]);C=b.createBuffer();nb=b.createBuffer();b.bindBuffer(b.ARRAY_BUFFER,C);b.bufferData(b.ARRAY_BUFFER,ta,b.STATIC_DRAW);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,
nb);b.bufferData(b.ELEMENT_ARRAY_BUFFER,ya,b.STATIC_DRAW);ta=b.createProgram();ya=b.createShader(b.VERTEX_SHADER);var Q=b.createShader(b.FRAGMENT_SHADER);b.shaderSource(ya,["precision "+e.precision+" float;","#define SHADER_NAME SpriteMaterial\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform float rotation;\nuniform vec2 center;\nuniform vec2 scale;\nuniform vec2 uvOffset;\nuniform vec2 uvScale;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvarying float fogDepth;\nvoid main() {\n\tvUV = uvOffset + uv * uvScale;\n\tvec2 alignedPosition = ( position - center ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tvec4 mvPosition;\n\tmvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\tfogDepth = - mvPosition.z;\n}"].join("\n"));
b.shaderSource(Q,["precision "+e.precision+" float;","#define SHADER_NAME SpriteMaterial\nuniform vec3 color;\nuniform sampler2D map;\nuniform float opacity;\nuniform int fogType;\nuniform vec3 fogColor;\nuniform float fogDensity;\nuniform float fogNear;\nuniform float fogFar;\nuniform float alphaTest;\nvarying vec2 vUV;\nvarying float fogDepth;\nvoid main() {\n\tvec4 texture = texture2D( map, vUV );\n\tgl_FragColor = vec4( color * texture.xyz, texture.a * opacity );\n\tif ( gl_FragColor.a < alphaTest ) discard;\n\tif ( fogType > 0 ) {\n\t\tfloat fogFactor = 0.0;\n\t\tif ( fogType == 1 ) {\n\t\t\tfogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t\t} else {\n\t\t\tconst float LOG2 = 1.442695;\n\t\t\tfogFactor = exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 );\n\t\t\tfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n\t\t}\n\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t}\n}"].join("\n"));
b.compileShader(ya);b.compileShader(Q);b.attachShade