three/build/three.min.js

JavaScript 3D library

// threejs.org/license
(function(k,Ea){"object"===typeof exports&&"undefined"!==typeof module?Ea(exports):"function"===typeof define&&define.amd?define(["exports"],Ea):(k=k||self,Ea(k.THREE={}))})(this,function(k){function Ea(){}function t(a,b){this.x=a||0;this.y=b||0}function wa(){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 V(a,b,c,d,e,f,g,h,l,m){Object.defineProperty(this,"id",{value:pj++});this.uuid=L.generateUUID();
this.name="";this.image=void 0!==a?a:V.DEFAULT_IMAGE;this.mipmaps=[];this.mapping=void 0!==b?b:V.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.internalFormat=null;this.type=void 0!==h?h:1009;this.offset=new t(0,0);this.repeat=new t(1,1);this.center=new t(0,0);this.rotation=0;this.matrixAutoUpdate=!0;this.matrix=new wa;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 ka(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1}function Ha(a,b,c){this.width=a;this.height=b;this.scissor=new ka(0,0,a,b);this.scissorTest=!1;this.viewport=new ka(0,0,a,b);c=c||{};this.texture=new V(void 0,c.mapping,c.wrapS,c.wrapT,c.magFilter,c.minFilter,c.format,c.type,c.anisotropy,c.encoding);this.texture.image={};this.texture.image.width=
a;this.texture.image.height=b;this.texture.generateMipmaps=void 0!==c.generateMipmaps?c.generateMipmaps:!1;this.texture.minFilter=void 0!==c.minFilter?c.minFilter:1006;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 Zf(a,b,c){Ha.call(this,a,b,c);this.samples=4}function Aa(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._w=void 0!==d?d:1}function n(a,b,
c){this.x=a||0;this.y=b||0;this.z=c||0}function P(){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 Tb(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._order=d||Tb.DefaultOrder}function He(){this.mask=1}function F(){Object.defineProperty(this,"id",{value:qj++});this.uuid=L.generateUUID();this.name="";this.type="Object3D";this.parent=null;this.children=[];this.up=F.DefaultUp.clone();
var a=new n,b=new Tb,c=new Aa,d=new n(1,1,1);b._onChange(function(){c.setFromEuler(b,!1)});c._onChange(function(){b.setFromQuaternion(c,void 0,!1)});Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:a},rotation:{configurable:!0,enumerable:!0,value:b},quaternion:{configurable:!0,enumerable:!0,value:c},scale:{configurable:!0,enumerable:!0,value:d},modelViewMatrix:{value:new P},normalMatrix:{value:new wa}});this.matrix=new P;this.matrixWorld=new P;this.matrixAutoUpdate=F.DefaultMatrixAutoUpdate;
this.matrixWorldNeedsUpdate=!1;this.layers=new He;this.visible=!0;this.receiveShadow=this.castShadow=!1;this.frustumCulled=!0;this.renderOrder=0;this.userData={}}function ob(){F.call(this);this.type="Scene";this.overrideMaterial=this.fog=this.environment=this.background=null;this.autoUpdate=!0;"undefined"!==typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function Sa(a,b){this.min=void 0!==a?a:new n(Infinity,Infinity,Infinity);this.max=void 0!==
b?b:new n(-Infinity,-Infinity,-Infinity)}function $f(a,b,c,d,e){var f;var g=0;for(f=a.length-3;g<=f;g+=3){Ub.fromArray(a,g);var h=e.x*Math.abs(Ub.x)+e.y*Math.abs(Ub.y)+e.z*Math.abs(Ub.z),l=b.dot(Ub),m=c.dot(Ub),u=d.dot(Ub);if(Math.max(-Math.max(l,m,u),Math.min(l,m,u))>h)return!1}return!0}function pb(a,b){this.center=void 0!==a?a:new n;this.radius=void 0!==b?b:0}function Vb(a,b){this.origin=void 0!==a?a:new n;this.direction=void 0!==b?b:new n(0,0,-1)}function Ta(a,b){this.normal=void 0!==a?a:new n(1,
0,0);this.constant=void 0!==b?b:0}function oa(a,b,c){this.a=void 0!==a?a:new n;this.b=void 0!==b?b:new n;this.c=void 0!==c?c:new n}function A(a,b,c){return void 0===b&&void 0===c?this.set(a):this.setRGB(a,b,c)}function ag(a,b,c){0>c&&(c+=1);1<c&&--c;return c<1/6?a+6*(b-a)*c:.5>c?b:c<2/3?a+6*(b-a)*(2/3-c):a}function bg(a){return.04045>a?.0773993808*a:Math.pow(.9478672986*a+.0521327014,2.4)}function cg(a){return.0031308>a?12.92*a:1.055*Math.pow(a,.41666)-.055}function Bc(a,b,c,d,e,f){this.a=a;this.b=
b;this.c=c;this.normal=d&&d.isVector3?d:new n;this.vertexNormals=Array.isArray(d)?d:[];this.color=e&&e.isColor?e:new A;this.vertexColors=Array.isArray(e)?e:[];this.materialIndex=void 0!==f?f:0}function K(){Object.defineProperty(this,"id",{value:rj++});this.uuid=L.generateUUID();this.name="";this.type="Material";this.fog=!0;this.blending=1;this.side=0;this.vertexColors=this.flatShading=!1;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.stencilWriteMask=255;this.stencilFunc=519;this.stencilRef=0;this.stencilFuncMask=255;this.stencilZPass=this.stencilZFail=this.stencilFail=7680;this.stencilWrite=!1;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.toneMapped=this.visible=!0;this.userData={};this.version=0}function Oa(a){K.call(this);this.type="MeshBasicMaterial";this.color=new A(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.morphTargets=this.skinning=!1;this.setValues(a)}
function M(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.usage=35044;this.updateRange={offset:0,count:-1};this.version=0}function Bd(a,b,c){M.call(this,new Int8Array(a),b,c)}function Cd(a,b,c){M.call(this,new Uint8Array(a),b,c)}function Dd(a,b,c){M.call(this,new Uint8ClampedArray(a),b,c)}function Ed(a,b,c){M.call(this,new Int16Array(a),
b,c)}function Wb(a,b,c){M.call(this,new Uint16Array(a),b,c)}function Fd(a,b,c){M.call(this,new Int32Array(a),b,c)}function Xb(a,b,c){M.call(this,new Uint32Array(a),b,c)}function y(a,b,c){M.call(this,new Float32Array(a),b,c)}function Gd(a,b,c){M.call(this,new Float64Array(a),b,c)}function xh(){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 yh(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 C(){Object.defineProperty(this,"id",{value:sj+=2});this.uuid=L.generateUUID();this.name="";this.type="BufferGeometry";this.index=null;this.attributes={};this.morphAttributes={};this.morphTargetsRelative=!1;this.groups=[];this.boundingSphere=this.boundingBox=null;this.drawRange={start:0,count:Infinity};
this.userData={}}function S(a,b){F.call(this);this.type="Mesh";this.geometry=void 0!==a?a:new C;this.material=void 0!==b?b:new Oa;this.updateMorphTargets()}function zh(a,b,c,d,e,f,g,h){if(null===(1===b.side?d.intersectTriangle(g,f,e,!0,h):d.intersectTriangle(e,f,g,2!==b.side,h)))return null;Ie.copy(h);Ie.applyMatrix4(a.matrixWorld);b=c.ray.origin.distanceTo(Ie);return b<c.near||b>c.far?null:{distance:b,point:Ie.clone(),object:a}}function Je(a,b,c,d,e,f,g,h,l,m,u,p){Yb.fromBufferAttribute(e,m);Zb.fromBufferAttribute(e,
u);$b.fromBufferAttribute(e,p);e=a.morphTargetInfluences;if(b.morphTargets&&f&&e){Ke.set(0,0,0);Le.set(0,0,0);Me.set(0,0,0);for(var x=0,r=f.length;x<r;x++){var k=e[x],v=f[x];0!==k&&(dg.fromBufferAttribute(v,m),eg.fromBufferAttribute(v,u),fg.fromBufferAttribute(v,p),g?(Ke.addScaledVector(dg,k),Le.addScaledVector(eg,k),Me.addScaledVector(fg,k)):(Ke.addScaledVector(dg.sub(Yb),k),Le.addScaledVector(eg.sub(Zb),k),Me.addScaledVector(fg.sub($b),k)))}Yb.add(Ke);Zb.add(Le);$b.add(Me)}if(a=zh(a,b,c,d,Yb,Zb,
$b,Hd))h&&(Cc.fromBufferAttribute(h,m),Dc.fromBufferAttribute(h,u),Ec.fromBufferAttribute(h,p),a.uv=oa.getUV(Hd,Yb,Zb,$b,Cc,Dc,Ec,new t)),l&&(Cc.fromBufferAttribute(l,m),Dc.fromBufferAttribute(l,u),Ec.fromBufferAttribute(l,p),a.uv2=oa.getUV(Hd,Yb,Zb,$b,Cc,Dc,Ec,new t)),h=new Bc(m,u,p),oa.getNormal(Yb,Zb,$b,h.normal),a.face=h;return a}function N(){Object.defineProperty(this,"id",{value:tj+=2});this.uuid=L.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 Fc(a){var b={},c;for(c in a){b[c]={};for(var d in a[c]){var e=a[c][d];e&&(e.isColor||e.isMatrix3||e.isMatrix4||e.isVector2||e.isVector3||e.isVector4||e.isTexture)?
b[c][d]=e.clone():Array.isArray(e)?b[c][d]=e.slice():b[c][d]=e}}return b}function va(a){for(var b={},c=0;c<a.length;c++){var d=Fc(a[c]),e;for(e in d)b[e]=d[e]}return b}function Ba(a){K.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 db(){F.call(this);this.type="Camera";this.matrixWorldInverse=
new P;this.projectionMatrix=new P;this.projectionMatrixInverse=new P}function aa(a,b,c,d){db.call(this);this.type="PerspectiveCamera";this.fov=void 0!==a?a:50;this.zoom=1;this.near=void 0!==c?c:.1;this.far=void 0!==d?d:2E3;this.focus=10;this.aspect=void 0!==b?b:1;this.view=null;this.filmGauge=35;this.filmOffset=0;this.updateProjectionMatrix()}function Gc(a,b,c,d){F.call(this);this.type="CubeCamera";var e=new aa(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new n(1,0,0));this.add(e);var f=new aa(90,1,a,b);f.up.set(0,
-1,0);f.lookAt(new n(-1,0,0));this.add(f);var g=new aa(90,1,a,b);g.up.set(0,0,1);g.lookAt(new n(0,1,0));this.add(g);var h=new aa(90,1,a,b);h.up.set(0,0,-1);h.lookAt(new n(0,-1,0));this.add(h);var l=new aa(90,1,a,b);l.up.set(0,-1,0);l.lookAt(new n(0,0,1));this.add(l);var m=new aa(90,1,a,b);m.up.set(0,-1,0);m.lookAt(new n(0,0,-1));this.add(m);d=d||{format:1022,magFilter:1006,minFilter:1006};this.renderTarget=new Db(c,d);this.renderTarget.texture.name="CubeCamera";this.update=function(a,b){null===this.parent&&
this.updateMatrixWorld();var c=a.getRenderTarget(),d=this.renderTarget,p=d.texture.generateMipmaps;d.texture.generateMipmaps=!1;a.setRenderTarget(d,0);a.render(b,e);a.setRenderTarget(d,1);a.render(b,f);a.setRenderTarget(d,2);a.render(b,g);a.setRenderTarget(d,3);a.render(b,h);a.setRenderTarget(d,4);a.render(b,l);d.texture.generateMipmaps=p;a.setRenderTarget(d,5);a.render(b,m);a.setRenderTarget(c)};this.clear=function(a,b,c,d){for(var e=a.getRenderTarget(),f=this.renderTarget,g=0;6>g;g++)a.setRenderTarget(f,
g),a.clear(b,c,d);a.setRenderTarget(e)}}function Db(a,b,c){Number.isInteger(b)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),b=c);Ha.call(this,a,a,b)}function ac(a,b,c,d,e,f,g,h,l,m,u,p){V.call(this,null,f,g,h,l,m,d,e,u,p);this.image={data:a||null,width:b||1,height:c||1};this.magFilter=void 0!==l?l:1003;this.minFilter=void 0!==m?m:1003;this.flipY=this.generateMipmaps=!1;this.unpackAlignment=1;this.needsUpdate=!0}function Hc(a,b,
c,d,e,f){this.planes=[void 0!==a?a:new Ta,void 0!==b?b:new Ta,void 0!==c?c:new Ta,void 0!==d?d:new Ta,void 0!==e?e:new Ta,void 0!==f?f:new Ta]}function Ah(){function a(e,f){!1!==c&&(d(e,f),b.requestAnimationFrame(a))}var b=null,c=!1,d=null;return{start:function(){!0!==c&&null!==d&&(b.requestAnimationFrame(a),c=!0)},stop:function(){c=!1},setAnimationLoop:function(a){d=a},setContext:function(a){b=a}}}function uj(a,b){function c(b,c){var d=b.array,e=b.usage,f=a.createBuffer();a.bindBuffer(c,f);a.bufferData(c,
d,e);b.onUploadCallback();c=5126;d instanceof Float32Array?c=5126:d instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):d instanceof Uint16Array?c=5123:d instanceof Int16Array?c=5122:d instanceof Uint32Array?c=5125:d instanceof Int32Array?c=5124:d instanceof Int8Array?c=5120:d instanceof Uint8Array&&(c=5121);return{buffer:f,type:c,bytesPerElement:d.BYTES_PER_ELEMENT,version:b.version}}var d=b.isWebGL2,e=new WeakMap;return{get:function(a){a.isInterleavedBufferAttribute&&
(a=a.data);return e.get(a)},remove:function(b){b.isInterleavedBufferAttribute&&(b=b.data);var c=e.get(b);c&&(a.deleteBuffer(c.buffer),e.delete(b))},update:function(b,g){b.isInterleavedBufferAttribute&&(b=b.data);var f=e.get(b);if(void 0===f)e.set(b,c(b,g));else if(f.version<b.version){var l=b.array,m=b.updateRange;a.bindBuffer(g,f.buffer);-1===m.count?a.bufferSubData(g,0,l):(d?a.bufferSubData(g,m.offset*l.BYTES_PER_ELEMENT,l,m.offset,m.count):a.bufferSubData(g,m.offset*l.BYTES_PER_ELEMENT,l.subarray(m.offset,
m.offset+m.count)),m.count=-1);f.version=b.version}}}}function Id(a,b,c,d){N.call(this);this.type="PlaneGeometry";this.parameters={width:a,height:b,widthSegments:c,heightSegments:d};this.fromBufferGeometry(new bc(a,b,c,d));this.mergeVertices()}function bc(a,b,c,d){C.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=[],p=[],k=[],r=[];for(a=0;a<
h;a++){var q=a*m-f;for(b=0;b<g;b++)p.push(b*l-e,-q,0),k.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.setAttribute("position",new y(p,3));this.setAttribute("normal",new y(k,3));this.setAttribute("uv",new y(r,2))}function vj(a,b,c,d){function e(a,c){b.buffers.color.setClear(a.r,a.g,a.b,c,d)}var f=new A(0),g=0,h,l,m=null,u=0,p=null;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,k,v){d=d.background;k=a.xr;(k=k.getSession&&k.getSession())&&"additive"===k.environmentBlendMode&&(d=null);null===d?e(f,g):d&&d.isColor&&(e(d,1),v=!0);(a.autoClear||v)&&a.clear(a.autoClearColor,a.autoClearDepth,a.autoClearStencil);if(d&&(d.isCubeTexture||d.isWebGLCubeRenderTarget||306===d.mapping)){void 0===l&&(l=new S(new Jd(1,1,1),new Ba({type:"BackgroundCubeMaterial",
uniforms:Fc(eb.cube.uniforms),vertexShader:eb.cube.vertexShader,fragmentShader:eb.cube.fragmentShader,side:1,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),l.geometry.deleteAttribute("uv"),l.onBeforeRender=function(a,b,c){this.matrixWorld.copyPosition(c.matrixWorld)},Object.defineProperty(l.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),c.update(l));v=d.isWebGLCubeRenderTarget?d.texture:d;l.material.uniforms.envMap.value=v;l.material.uniforms.flipEnvMap.value=
v.isCubeTexture?-1:1;if(m!==d||u!==v.version||p!==a.toneMapping)l.material.needsUpdate=!0,m=d,u=v.version,p=a.toneMapping;b.unshift(l,l.geometry,l.material,0,0,null)}else if(d&&d.isTexture){void 0===h&&(h=new S(new bc(2,2),new Ba({type:"BackgroundMaterial",uniforms:Fc(eb.background.uniforms),vertexShader:eb.background.vertexShader,fragmentShader:eb.background.fragmentShader,side:0,depthTest:!1,depthWrite:!1,fog:!1})),h.geometry.deleteAttribute("normal"),Object.defineProperty(h.material,"map",{get:function(){return this.uniforms.t2D.value}}),
c.update(h));h.material.uniforms.t2D.value=d;!0===d.matrixAutoUpdate&&d.updateMatrix();h.material.uniforms.uvTransform.value.copy(d.matrix);if(m!==d||u!==d.version||p!==a.toneMapping)h.material.needsUpdate=!0,m=d,u=d.version,p=a.toneMapping;b.unshift(h,h.geometry,h.material,0,0,null)}}}}function wj(a,b,c,d){var e=d.isWebGL2,f;this.setMode=function(a){f=a};this.render=function(b,d){a.drawArrays(f,b,d);c.update(d,f)};this.renderInstances=function(d,h,l,m){if(0!==m){if(e){d=a;var g="drawArraysInstanced"}else if(d=
b.get("ANGLE_instanced_arrays"),g="drawArraysInstancedANGLE",null===d){console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");return}d[g](f,h,l,m);c.update(l,f,m)}}}function xj(a,b,c){function d(b){if("highp"===b){if(0<a.getShaderPrecisionFormat(35633,36338).precision&&0<a.getShaderPrecisionFormat(35632,36338).precision)return"highp";b="mediump"}return"mediump"===b&&0<a.getShaderPrecisionFormat(35633,36337).precision&&
0<a.getShaderPrecisionFormat(35632,36337).precision?"mediump":"lowp"}var e,f="undefined"!==typeof WebGL2RenderingContext&&a instanceof WebGL2RenderingContext||"undefined"!==typeof WebGL2ComputeRenderingContext&&a instanceof WebGL2ComputeRenderingContext,g=void 0!==c.precision?c.precision:"highp",h=d(g);h!==g&&(console.warn("THREE.WebGLRenderer:",g,"not supported, using",h,"instead."),g=h);c=!0===c.logarithmicDepthBuffer;h=a.getParameter(34930);var l=a.getParameter(35660),m=a.getParameter(3379),u=
a.getParameter(34076),p=a.getParameter(34921),k=a.getParameter(36347),r=a.getParameter(36348),q=a.getParameter(36349),v=0<l,n=f||!!b.get("OES_texture_float"),w=v&&n,z=f?a.getParameter(36183):0;return{isWebGL2:f,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:g,logarithmicDepthBuffer:c,maxTextures:h,maxVertexTextures:l,maxTextureSize:m,maxCubemapSize:u,
maxAttributes:p,maxVertexUniforms:k,maxVaryings:r,maxFragmentUniforms:q,vertexTextures:v,floatFragmentTextures:n,floatVertexTextures:w,maxSamples:z}}function yj(){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;c.numIntersection=0;return g}var c=this,d=null,e=0,f=!1,g=!1,h=new Ta,l=new wa,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,k,q,v){if(!f||null===c||0===c.length||g&&!l)g?b(null):a();else{l=g?0:e;var p=
4*l,u=q.clippingState||null;m.value=u;u=b(c,k,p,v);for(c=0;c!==p;++c)u[c]=d[c];q.clippingState=u;this.numIntersection=h?this.numPlanes:0;this.numPlanes+=l}}}function zj(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;default:d=a.getExtension(c)}null===d&&console.warn("THREE.WebGLRenderer: "+c+" extension not supported.");
return b[c]=d}}}function Aj(a,b,c){function d(a){var e=a.target;a=f.get(e);null!==a.index&&b.remove(a.index);for(var h in a.attributes)b.remove(a.attributes[h]);e.removeEventListener("dispose",d);f.delete(e);if(h=g.get(a))b.remove(h),g.delete(a);c.memory.geometries--}function e(a){var c=[],d=a.index,e=a.attributes.position;if(null!==d){var f=d.array;d=d.version;e=0;for(var h=f.length;e<h;e+=3){var k=f[e+0],q=f[e+1],v=f[e+2];c.push(k,q,q,v,v,k)}}else for(f=e.array,d=e.version,e=0,h=f.length/3-1;e<
h;e+=3)k=e+0,q=e+1,v=e+2,c.push(k,q,q,v,v,k);c=new (65535<yh(c)?Xb:Wb)(c,1);c.version=d;b.update(c,34963);(f=g.get(a))&&b.remove(f);g.set(a,c)}var f=new WeakMap,g=new WeakMap;return{get:function(a,b){var e=f.get(b);if(e)return e;b.addEventListener("dispose",d);b.isBufferGeometry?e=b:b.isGeometry&&(void 0===b._bufferGeometry&&(b._bufferGeometry=(new C).setFromObject(a)),e=b._bufferGeometry);f.set(b,e);c.memory.geometries++;return e},update:function(a){var c=a.index,d=a.attributes;null!==c&&b.update(c,
34963);for(var e in d)b.update(d[e],34962);a=a.morphAttributes;for(e in a){c=a[e];d=0;for(var f=c.length;d<f;d++)b.update(c[d],34962)}},getWireframeAttribute:function(a){var b=g.get(a);if(b){var c=a.index;null!==c&&b.version<c.version&&e(a)}else e(a);return g.get(a)}}}function Bj(a,b,c,d){var e=d.isWebGL2,f,g,h;this.setMode=function(a){f=a};this.setIndex=function(a){g=a.type;h=a.bytesPerElement};this.render=function(b,d){a.drawElements(f,d,g,b*h);c.update(d,f)};this.renderInstances=function(d,m,u,
p){if(0!==p){if(e){d=a;var l="drawElementsInstanced"}else if(d=b.get("ANGLE_instanced_arrays"),l="drawElementsInstancedANGLE",null===d){console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");return}d[l](f,u,g,m*h,p);c.update(u,f,p)}}}function Cj(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(a,d,e){e=e||1;b.calls++;switch(d){case 4:b.triangles+=a/3*e;break;case 1:b.lines+=a/2*e;break;case 3:b.lines+=e*(a-1);break;case 2:b.lines+=e*a;break;case 0:b.points+=e*a;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",d)}}}}function Dj(a,b){return Math.abs(b[1])-Math.abs(a[1])}function Ej(a){var b={},c=new Float32Array(8);return{update:function(d,e,f,g){var h=d.morphTargetInfluences,l=void 0===h?0: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 p=d[m];0!==p[1]&&(u&&e.deleteAttribute("morphTarget"+m),f&&e.deleteAttribute("morphNormal"+m))}for(m=0;m<l;m++)p=d[m],p[0]=m,p[1]=h[m];d.sort(Dj);for(m=h=0;8>m;m++){if(p=d[m])if(l=p[0],p=p[1]){u&&e.setAttribute("morphTarget"+m,u[l]);f&&e.setAttribute("morphNormal"+m,f[l]);c[m]=p;h+=p;continue}c[m]=0}e=e.morphTargetsRelative?1:
1-h;g.getUniforms().setValue(a,"morphTargetBaseInfluence",e);g.getUniforms().setValue(a,"morphTargetInfluences",c)}}}function Fj(a,b,c,d){var e=new WeakMap;return{update:function(a){var f=d.render.frame,h=a.geometry,l=b.get(a,h);e.get(l)!==f&&(h.isGeometry&&l.updateFromObject(a),b.update(l),e.set(l,f));a.isInstancedMesh&&c.update(a.instanceMatrix,34962);return l},dispose:function(){e=new WeakMap}}}function qb(a,b,c,d,e,f,g,h,l,m){a=void 0!==a?a:[];V.call(this,a,void 0!==b?b:301,c,d,e,f,void 0!==g?
g:1022,h,l,m);this.flipY=!1}function Ic(a,b,c,d){V.call(this,null);this.image={data:a||null,width:b||1,height:c||1,depth:d||1};this.minFilter=this.magFilter=1003;this.wrapR=1001;this.flipY=this.generateMipmaps=!1;this.needsUpdate=!0}function Jc(a,b,c,d){V.call(this,null);this.image={data:a||null,width:b||1,height:c||1,depth:d||1};this.minFilter=this.magFilter=1003;this.wrapR=1001;this.flipY=this.generateMipmaps=!1;this.needsUpdate=!0}function Kc(a,b,c){var d=a[0];if(0>=d||0<d)return a;var e=b*c,f=
Bh[e];void 0===f&&(f=new Float32Array(e),Bh[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 Pa(a,b){if(a.length!==b.length)return!1;for(var c=0,d=a.length;c<d;c++)if(a[c]!==b[c])return!1;return!0}function Ia(a,b){for(var c=0,d=b.length;c<d;c++)a[c]=b[c]}function Ch(a,b){var c=Dh[b];void 0===c&&(c=new Int32Array(b),Dh[b]=c);for(var d=0;d!==b;++d)c[d]=a.allocateTextureUnit();return c}function Gj(a,b){var c=this.cache;c[0]!==b&&(a.uniform1f(this.addr,b),c[0]=
b)}function Hj(a,b){var c=this.cache;if(void 0!==b.x){if(c[0]!==b.x||c[1]!==b.y)a.uniform2f(this.addr,b.x,b.y),c[0]=b.x,c[1]=b.y}else Pa(c,b)||(a.uniform2fv(this.addr,b),Ia(c,b))}function Ij(a,b){var c=this.cache;if(void 0!==b.x){if(c[0]!==b.x||c[1]!==b.y||c[2]!==b.z)a.uniform3f(this.addr,b.x,b.y,b.z),c[0]=b.x,c[1]=b.y,c[2]=b.z}else if(void 0!==b.r){if(c[0]!==b.r||c[1]!==b.g||c[2]!==b.b)a.uniform3f(this.addr,b.r,b.g,b.b),c[0]=b.r,c[1]=b.g,c[2]=b.b}else Pa(c,b)||(a.uniform3fv(this.addr,b),Ia(c,b))}
function Jj(a,b){var c=this.cache;if(void 0!==b.x){if(c[0]!==b.x||c[1]!==b.y||c[2]!==b.z||c[3]!==b.w)a.uniform4f(this.addr,b.x,b.y,b.z,b.w),c[0]=b.x,c[1]=b.y,c[2]=b.z,c[3]=b.w}else Pa(c,b)||(a.uniform4fv(this.addr,b),Ia(c,b))}function Kj(a,b){var c=this.cache,d=b.elements;void 0===d?Pa(c,b)||(a.uniformMatrix2fv(this.addr,!1,b),Ia(c,b)):Pa(c,d)||(Eh.set(d),a.uniformMatrix2fv(this.addr,!1,Eh),Ia(c,d))}function Lj(a,b){var c=this.cache,d=b.elements;void 0===d?Pa(c,b)||(a.uniformMatrix3fv(this.addr,!1,
b),Ia(c,b)):Pa(c,d)||(Fh.set(d),a.uniformMatrix3fv(this.addr,!1,Fh),Ia(c,d))}function Mj(a,b){var c=this.cache,d=b.elements;void 0===d?Pa(c,b)||(a.uniformMatrix4fv(this.addr,!1,b),Ia(c,b)):Pa(c,d)||(Gh.set(d),a.uniformMatrix4fv(this.addr,!1,Gh),Ia(c,d))}function Nj(a,b,c){var d=this.cache,e=c.allocateTextureUnit();d[0]!==e&&(a.uniform1i(this.addr,e),d[0]=e);c.safeSetTexture2D(b||Hh,e)}function Oj(a,b,c){var d=this.cache,e=c.allocateTextureUnit();d[0]!==e&&(a.uniform1i(this.addr,e),d[0]=e);c.setTexture2DArray(b||
Pj,e)}function Qj(a,b,c){var d=this.cache,e=c.allocateTextureUnit();d[0]!==e&&(a.uniform1i(this.addr,e),d[0]=e);c.setTexture3D(b||Rj,e)}function Sj(a,b,c){var d=this.cache,e=c.allocateTextureUnit();d[0]!==e&&(a.uniform1i(this.addr,e),d[0]=e);c.safeSetTextureCube(b||Ih,e)}function Tj(a,b){var c=this.cache;c[0]!==b&&(a.uniform1i(this.addr,b),c[0]=b)}function Uj(a,b){var c=this.cache;Pa(c,b)||(a.uniform2iv(this.addr,b),Ia(c,b))}function Vj(a,b){var c=this.cache;Pa(c,b)||(a.uniform3iv(this.addr,b),Ia(c,
b))}function Wj(a,b){var c=this.cache;Pa(c,b)||(a.uniform4iv(this.addr,b),Ia(c,b))}function Xj(a,b){var c=this.cache;c[0]!==b&&(a.uniform1ui(this.addr,b),c[0]=b)}function Yj(a){switch(a){case 5126:return Gj;case 35664:return Hj;case 35665:return Ij;case 35666:return Jj;case 35674:return Kj;case 35675:return Lj;case 35676:return Mj;case 5124:case 35670:return Tj;case 35667:case 35671:return Uj;case 35668:case 35672:return Vj;case 35669:case 35673:return Wj;case 5125:return Xj;case 35678:case 36198:case 36298:case 36306:case 35682:return Nj;
case 35679:case 36299:case 36307:return Qj;case 35680:case 36300:case 36308:case 36293:return Sj;case 36289:case 36303:case 36311:case 36292:return Oj}}function Zj(a,b){a.uniform1fv(this.addr,b)}function ak(a,b){a.uniform1iv(this.addr,b)}function bk(a,b){a.uniform2iv(this.addr,b)}function ck(a,b){a.uniform3iv(this.addr,b)}function dk(a,b){a.uniform4iv(this.addr,b)}function ek(a,b){b=Kc(b,this.size,2);a.uniform2fv(this.addr,b)}function fk(a,b){b=Kc(b,this.size,3);a.uniform3fv(this.addr,b)}function gk(a,
b){b=Kc(b,this.size,4);a.uniform4fv(this.addr,b)}function hk(a,b){b=Kc(b,this.size,4);a.uniformMatrix2fv(this.addr,!1,b)}function ik(a,b){b=Kc(b,this.size,9);a.uniformMatrix3fv(this.addr,!1,b)}function jk(a,b){b=Kc(b,this.size,16);a.uniformMatrix4fv(this.addr,!1,b)}function kk(a,b,c){var d=b.length,e=Ch(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.safeSetTexture2D(b[a]||Hh,e[a])}function lk(a,b,c){var d=b.length,e=Ch(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.safeSetTextureCube(b[a]||
Ih,e[a])}function mk(a){switch(a){case 5126:return Zj;case 35664:return ek;case 35665:return fk;case 35666:return gk;case 35674:return hk;case 35675:return ik;case 35676:return jk;case 5124:case 35670:return ak;case 35667:case 35671:return bk;case 35668:case 35672:return ck;case 35669:case 35673:return dk;case 35678:case 36198:case 36298:case 36306:case 35682:return kk;case 35680:case 36300:case 36308:case 36293:return lk}}function nk(a,b,c){this.id=a;this.addr=c;this.cache=[];this.setValue=Yj(b.type)}
function Jh(a,b,c){this.id=a;this.addr=c;this.cache=[];this.size=b.size;this.setValue=mk(b.type)}function Kh(a){this.id=a;this.seq=[];this.map={}}function Eb(a,b){this.seq=[];this.map={};for(var c=a.getProgramParameter(b,35718),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(gg.lastIndex=0;;){var m=gg.exec(h),u=gg.lastIndex,p=m[1],k=m[3];"]"===m[2]&&(p|=0);if(void 0===k||"["===k&&u+2===l){h=g;e=void 0===k?new nk(p,e,f):new Jh(p,e,f);h.seq.push(e);
h.map[e.id]=e;break}else k=g.map[p],void 0===k&&(k=new Kh(p),p=g,g=k,p.seq.push(g),p.map[g.id]=g),g=k}}}function Lh(a,b,c){b=a.createShader(b);a.shaderSource(b,c);a.compileShader(b);return b}function Mh(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 ) )"];
case 3003:return["LogLuv","( value )"];default:throw Error("unsupported encoding: "+a);}}function Nh(a,b,c){var d=a.getShaderParameter(b,35713),e=a.getShaderInfoLog(b).trim();if(d&&""===e)return"";a=a.getShaderSource(b).split("\n");for(b=0;b<a.length;b++)a[b]=b+1+": "+a[b];a=a.join("\n");return"THREE.WebGLShader: gl.getShaderInfoLog() "+c+"\n"+e+a}function Kd(a,b){b=Mh(b);return"vec4 "+a+"( vec4 value ) { return "+b[0]+"ToLinear"+b[1]+"; }"}function ok(a,b){b=Mh(b);return"vec4 "+a+"( vec4 value ) { return LinearTo"+
b[0]+b[1]+"; }"}function pk(a,b){switch(b){case 1:b="Linear";break;case 2:b="Reinhard";break;case 3:b="Uncharted2";break;case 4:b="OptimizedCineon";break;case 5:b="ACESFilmic";break;default:throw Error("unsupported toneMapping: "+b);}return"vec3 "+a+"( vec3 color ) { return "+b+"ToneMapping( color ); }"}function qk(a){var b=[],c;for(c in a){var d=a[c];!1!==d&&b.push("#define "+c+" "+d)}return b.join("\n")}function Ld(a){return""!==a}function Oh(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).replace(/NUM_DIR_LIGHT_SHADOWS/g,b.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g,b.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g,b.numPointLightShadows)}function Ph(a,b){return a.replace(/NUM_CLIPPING_PLANES/g,b.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,b.numClippingPlanes-b.numClipIntersection)}function hg(a,b){a=
O[b];if(void 0===a)throw Error("Can not resolve #include <"+b+">");return a.replace(ig,hg)}function Qh(a,b,c,d){console.warn("WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.");return jg(a,b,c,d)}function jg(a,b,c,d){a="";for(b=parseInt(b);b<parseInt(c);b++)a+=d.replace(/\[ i \]/g,"[ "+b+" ]").replace(/UNROLLED_LOOP_INDEX/g,b);return a}function Rh(a){var b="precision "+a.precision+" float;\nprecision "+a.precision+" int;";"highp"===
a.precision?b+="\n#define HIGH_PRECISION":"mediump"===a.precision?b+="\n#define MEDIUM_PRECISION":"lowp"===a.precision&&(b+="\n#define LOW_PRECISION");return b}function rk(a){var b="SHADOWMAP_TYPE_BASIC";1===a.shadowMapType?b="SHADOWMAP_TYPE_PCF":2===a.shadowMapType?b="SHADOWMAP_TYPE_PCF_SOFT":3===a.shadowMapType&&(b="SHADOWMAP_TYPE_VSM");return b}function sk(a){var b="ENVMAP_TYPE_CUBE";if(a.envMap)switch(a.envMapMode){case 301:case 302:b="ENVMAP_TYPE_CUBE";break;case 306:case 307:b="ENVMAP_TYPE_CUBE_UV";
break;case 303:case 304:b="ENVMAP_TYPE_EQUIREC";break;case 305:b="ENVMAP_TYPE_SPHERE"}return b}function tk(a){var b="ENVMAP_MODE_REFLECTION";if(a.envMap)switch(a.envMapMode){case 302:case 304:b="ENVMAP_MODE_REFRACTION"}return b}function uk(a){var b="ENVMAP_BLENDING_NONE";if(a.envMap)switch(a.combine){case 0:b="ENVMAP_BLENDING_MULTIPLY";break;case 1:b="ENVMAP_BLENDING_MIX";break;case 2:b="ENVMAP_BLENDING_ADD"}return b}function vk(a,b,c){var d=a.getContext(),e=c.defines,f=c.vertexShader,g=c.fragmentShader,
h=rk(c),l=sk(c),m=tk(c),u=uk(c),p=0<a.gammaFactor?a.gammaFactor:1,k=c.isWebGL2?"":[c.extensionDerivatives||c.envMapCubeUV||c.bumpMap||c.tangentSpaceNormalMap||c.clearcoatNormalMap||c.flatShading||"physical"===c.shaderID?"#extension GL_OES_standard_derivatives : enable":"",(c.extensionFragDepth||c.logarithmicDepthBuffer)&&c.rendererExtensionFragDepth?"#extension GL_EXT_frag_depth : enable":"",c.extensionDrawBuffers&&c.rendererExtensionDrawBuffers?"#extension GL_EXT_draw_buffers : require":"",(c.extensionShaderTextureLOD||
c.envMap)&&c.rendererExtensionShaderTextureLod?"#extension GL_EXT_shader_texture_lod : enable":""].filter(Ld).join("\n"),r=qk(e),q=d.createProgram();c.isRawShaderMaterial?(e=[r].filter(Ld).join("\n"),0<e.length&&(e+="\n"),h=[k,r].filter(Ld).join("\n"),0<h.length&&(h+="\n")):(e=[Rh(c),"#define SHADER_NAME "+c.shaderName,r,c.instancing?"#define USE_INSTANCING":"",c.supportsVertexTextures?"#define VERTEX_TEXTURES":"","#define GAMMA_FACTOR "+p,"#define MAX_BONES "+c.maxBones,c.useFog&&c.fog?"#define USE_FOG":
"",c.useFog&&c.fogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.envMap?"#define "+m:"",c.lightMap?"#define USE_LIGHTMAP":"",c.aoMap?"#define USE_AOMAP":"",c.emissiveMap?"#define USE_EMISSIVEMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.normalMap&&c.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",c.normalMap&&c.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",c.clearcoatMap?"#define USE_CLEARCOATMAP":
"",c.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",c.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",c.displacementMap&&c.supportsVertexTextures?"#define USE_DISPLACEMENTMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.roughnessMap?"#define USE_ROUGHNESSMAP":"",c.metalnessMap?"#define USE_METALNESSMAP":"",c.alphaMap?"#define USE_ALPHAMAP":"",c.vertexTangents?"#define USE_TANGENT":"",c.vertexColors?"#define USE_COLOR":"",c.vertexUvs?"#define USE_UV":"",c.uvsVertexOnly?"#define UVS_VERTEX_ONLY":
"",c.flatShading?"#define FLAT_SHADED":"",c.skinning?"#define USE_SKINNING":"",c.useVertexTexture?"#define BONE_TEXTURE":"",c.morphTargets?"#define USE_MORPHTARGETS":"",c.morphNormals&&!1===c.flatShading?"#define USE_MORPHNORMALS":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapEnabled?"#define "+h:"",c.sizeAttenuation?"#define USE_SIZEATTENUATION":"",c.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",c.logarithmicDepthBuffer&&
c.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;","#ifdef USE_INSTANCING"," attribute mat4 instanceMatrix;","#endif","attribute vec3 position;","attribute vec3 normal;","attribute vec2 uv;","#ifdef USE_TANGENT","\tattribute vec4 tangent;","#endif","#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(Ld).join("\n"),h=[k,Rh(c),"#define SHADER_NAME "+c.shaderName,r,c.alphaTest?"#define ALPHATEST "+c.alphaTest+(c.alphaTest%1?"":".0"):"","#define GAMMA_FACTOR "+p,c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.matcap?"#define USE_MATCAP":"",c.envMap?"#define USE_ENVMAP":"",c.envMap?"#define "+l:"",c.envMap?"#define "+m:"",c.envMap?"#define "+
u:"",c.lightMap?"#define USE_LIGHTMAP":"",c.aoMap?"#define USE_AOMAP":"",c.emissiveMap?"#define USE_EMISSIVEMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.normalMap&&c.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",c.normalMap&&c.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",c.clearcoatMap?"#define USE_CLEARCOATMAP":"",c.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",c.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",
c.specularMap?"#define USE_SPECULARMAP":"",c.roughnessMap?"#define USE_ROUGHNESSMAP":"",c.metalnessMap?"#define USE_METALNESSMAP":"",c.alphaMap?"#define USE_ALPHAMAP":"",c.sheen?"#define USE_SHEEN":"",c.vertexTangents?"#define USE_TANGENT":"",c.vertexColors?"#define USE_COLOR":"",c.vertexUvs?"#define USE_UV":"",c.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",c.gradientMap?"#define USE_GRADIENTMAP":"",c.flatShading?"#define FLAT_SHADED":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":
"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapEnabled?"#define "+h:"",c.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",c.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",c.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",c.logarithmicDepthBuffer&&c.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"",(c.extensionShaderTextureLOD||c.envMap)&&c.rendererExtensionShaderTextureLod?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;",
"uniform bool isOrthographic;",0!==c.toneMapping?"#define TONE_MAPPING":"",0!==c.toneMapping?O.tonemapping_pars_fragment:"",0!==c.toneMapping?pk("toneMapping",c.toneMapping):"",c.dithering?"#define DITHERING":"",c.outputEncoding||c.mapEncoding||c.matcapEncoding||c.envMapEncoding||c.emissiveMapEncoding||c.lightMapEncoding?O.encodings_pars_fragment:"",c.mapEncoding?Kd("mapTexelToLinear",c.mapEncoding):"",c.matcapEncoding?Kd("matcapTexelToLinear",c.matcapEncoding):"",c.envMapEncoding?Kd("envMapTexelToLinear",
c.envMapEncoding):"",c.emissiveMapEncoding?Kd("emissiveMapTexelToLinear",c.emissiveMapEncoding):"",c.lightMapEncoding?Kd("lightMapTexelToLinear",c.lightMapEncoding):"",c.outputEncoding?ok("linearToOutputTexel",c.outputEncoding):"",c.depthPacking?"#define DEPTH_PACKING "+c.depthPacking:"","\n"].filter(Ld).join("\n"));f=f.replace(ig,hg);f=Oh(f,c);f=Ph(f,c);g=g.replace(ig,hg);g=Oh(g,c);g=Ph(g,c);f=f.replace(Sh,jg).replace(Th,Qh);g=g.replace(Sh,jg).replace(Th,Qh);c.isWebGL2&&!c.isRawShaderMaterial&&(l=
!1,m=/^\s*#version\s+300\s+es\s*\n/,c.isShaderMaterial&&null!==f.match(m)&&null!==g.match(m)&&(l=!0,f=f.replace(m,""),g=g.replace(m,"")),e="#version 300 es\n\n#define attribute in\n#define varying out\n#define texture2D texture\n"+e,h=["#version 300 es\n\n#define varying in",l?"":"out highp vec4 pc_fragColor;",l?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth\n#define texture2D texture\n#define textureCube texture\n#define texture2DProj textureProj\n#define texture2DLodEXT textureLod\n#define texture2DProjLodEXT textureProjLod\n#define textureCubeLodEXT textureLod\n#define texture2DGradEXT textureGrad\n#define texture2DProjGradEXT textureProjGrad\n#define textureCubeGradEXT textureGrad"].join("\n")+
"\n"+h);g=h+g;f=Lh(d,35633,e+f);g=Lh(d,35632,g);d.attachShader(q,f);d.attachShader(q,g);void 0!==c.index0AttributeName?d.bindAttribLocation(q,0,c.index0AttributeName):!0===c.morphTargets&&d.bindAttribLocation(q,0,"position");d.linkProgram(q);if(a.debug.checkShaderErrors){a=d.getProgramInfoLog(q).trim();l=d.getShaderInfoLog(f).trim();m=d.getShaderInfoLog(g).trim();p=u=!0;if(!1===d.getProgramParameter(q,35714))u=!1,k=Nh(d,f,"vertex"),r=Nh(d,g,"fragment"),console.error("THREE.WebGLProgram: shader error: ",
d.getError(),"35715",d.getProgramParameter(q,35715),"gl.getProgramInfoLog",a,k,r);else if(""!==a)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",a);else if(""===l||""===m)p=!1;p&&(this.diagnostics={runnable:u,programLog:a,vertexShader:{log:l,prefix:e},fragmentShader:{log:m,prefix:h}})}d.detachShader(q,f);d.detachShader(q,g);d.deleteShader(f);d.deleteShader(g);var v;this.getUniforms=function(){void 0===v&&(v=new Eb(d,q));return v};var n;this.getAttributes=function(){if(void 0===n){for(var a=
{},b=d.getProgramParameter(q,35721),c=0;c<b;c++){var e=d.getActiveAttrib(q,c).name;a[e]=d.getAttribLocation(q,e)}n=a}return n};this.destroy=function(){d.deleteProgram(q);this.program=void 0};this.name=c.shaderName;this.id=wk++;this.cacheKey=b;this.usedTimes=1;this.program=q;this.vertexShader=f;this.fragmentShader=g;return this}function xk(a,b,c){function d(a){if(a)a.isTexture?b=a.encoding:a.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),
b=a.texture.encoding);else var b=3E3;return b}var e=[],f=c.isWebGL2,g=c.logarithmicDepthBuffer,h=c.floatVertexTextures,l=c.precision,m=c.maxVertexUniforms,u=c.vertexTextures,p={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",
PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},k="precision isWebGL2 supportsVertexTextures outputEncoding instancing map mapEncoding matcap matcapEncoding envMap envMapMode envMapEncoding envMapCubeUV lightMap lightMapEncoding aoMap emissiveMap emissiveMapEncoding bumpMap normalMap objectSpaceNormalMap tangentSpaceNormalMap clearcoatMap clearcoatRoughnessMap clearcoatNormalMap displacementMap specularMap roughnessMap metalnessMap gradientMap alphaMap combine vertexColors vertexTangents vertexUvs uvsVertexOnly fog useFog fogExp2 flatShading sizeAttenuation logarithmicDepthBuffer skinning maxBones useVertexTexture morphTargets morphNormals maxMorphTargets maxMorphNormals premultipliedAlpha numDirLights numPointLights numSpotLights numHemiLights numRectAreaLights numDirLightShadows numPointLightShadows numSpotLightShadows shadowMapEnabled shadowMapType toneMapping physicallyCorrectLights alphaTest doubleSided flipSided numClippingPlanes numClipIntersection depthPacking dithering sheen".split(" ");
this.getParameters=function(e,k,x,n,w,z,ha){var q=n.fog;n=e.isMeshStandardMaterial?n.environment:null;n=e.envMap||n;var r=p[e.type];if(ha.isSkinnedMesh){var v=ha.skeleton.bones;if(h)v=1024;else{var E=Math.min(Math.floor((m-20)/4),v.length);E<v.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+v.length+" bones. This GPU supports "+E+"."),v=0):v=E}}else v=0;null!==e.precision&&(l=c.getMaxPrecision(e.precision),l!==e.precision&&console.warn("THREE.WebGLProgram.getParameters:",e.precision,"not supported, using",
l,"instead."));r?(E=eb[r],E={name:e.type,uniforms:Uh.clone(E.uniforms),vertexShader:E.vertexShader,fragmentShader:E.fragmentShader}):E={name:e.type,uniforms:e.uniforms,vertexShader:e.vertexShader,fragmentShader:e.fragmentShader};e.onBeforeCompile(E,a);var ia=a.getRenderTarget();return{isWebGL2:f,shaderID:r,shaderName:E.name,uniforms:E.uniforms,vertexShader:E.vertexShader,fragmentShader:E.fragmentShader,defines:e.defines,isRawShaderMaterial:e.isRawShaderMaterial,isShaderMaterial:e.isShaderMaterial,
precision:l,instancing:!0===ha.isInstancedMesh,supportsVertexTextures:u,outputEncoding:null!==ia?d(ia.texture):a.outputEncoding,map:!!e.map,mapEncoding:d(e.map),matcap:!!e.matcap,matcapEncoding:d(e.matcap),envMap:!!n,envMapMode:n&&n.mapping,envMapEncoding:d(n),envMapCubeUV:!!n&&(306===n.mapping||307===n.mapping),lightMap:!!e.lightMap,lightMapEncoding:d(e.lightMap),aoMap:!!e.aoMap,emissiveMap:!!e.emissiveMap,emissiveMapEncoding:d(e.emissiveMap),bumpMap:!!e.bumpMap,normalMap:!!e.normalMap,objectSpaceNormalMap:1===
e.normalMapType,tangentSpaceNormalMap:0===e.normalMapType,clearcoatMap:!!e.clearcoatMap,clearcoatRoughnessMap:!!e.clearcoatRoughnessMap,clearcoatNormalMap:!!e.clearcoatNormalMap,displacementMap:!!e.displacementMap,roughnessMap:!!e.roughnessMap,metalnessMap:!!e.metalnessMap,specularMap:!!e.specularMap,alphaMap:!!e.alphaMap,gradientMap:!!e.gradientMap,sheen:!!e.sheen,combine:e.combine,vertexTangents:e.normalMap&&e.vertexTangents,vertexColors:e.vertexColors,vertexUvs:!!e.map||!!e.bumpMap||!!e.normalMap||
!!e.specularMap||!!e.alphaMap||!!e.emissiveMap||!!e.roughnessMap||!!e.metalnessMap||!!e.clearcoatMap||!!e.clearcoatRoughnessMap||!!e.clearcoatNormalMap||!!e.displacementMap,uvsVertexOnly:!(e.map||e.bumpMap||e.normalMap||e.specularMap||e.alphaMap||e.emissiveMap||e.roughnessMap||e.metalnessMap||e.clearcoatNormalMap)&&!!e.displacementMap,fog:!!q,useFog:e.fog,fogExp2:q&&q.isFogExp2,flatShading:e.flatShading,sizeAttenuation:e.sizeAttenuation,logarithmicDepthBuffer:g,skinning:e.skinning&&0<v,maxBones:v,
useVertexTexture:h,morphTargets:e.morphTargets,morphNormals:e.morphNormals,maxMorphTargets:a.maxMorphTargets,maxMorphNormals:a.maxMorphNormals,numDirLights:k.directional.length,numPointLights:k.point.length,numSpotLights:k.spot.length,numRectAreaLights:k.rectArea.length,numHemiLights:k.hemi.length,numDirLightShadows:k.directionalShadowMap.length,numPointLightShadows:k.pointShadowMap.length,numSpotLightShadows:k.spotShadowMap.length,numClippingPlanes:w,numClipIntersection:z,dithering:e.dithering,shadowMapEnabled:a.shadowMap.enabled&&
0<x.length,shadowMapType:a.shadowMap.type,toneMapping:e.toneMapped?a.toneMapping:0,physicallyCorrectLights:a.physicallyCorrectLights,premultipliedAlpha:e.premultipliedAlpha,alphaTest:e.alphaTest,doubleSided:2===e.side,flipSided:1===e.side,depthPacking:void 0!==e.depthPacking?e.depthPacking:!1,index0AttributeName:e.index0AttributeName,extensionDerivatives:e.extensions&&e.extensions.derivatives,extensionFragDepth:e.extensions&&e.extensions.fragDepth,extensionDrawBuffers:e.extensions&&e.extensions.drawBuffers,
extensionShaderTextureLOD:e.extensions&&e.extensions.shaderTextureLOD,rendererExtensionFragDepth:f||null!==b.get("EXT_frag_depth"),rendererExtensionDrawBuffers:f||null!==b.get("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:f||null!==b.get("EXT_shader_texture_lod"),onBeforeCompile:e.onBeforeCompile}};this.getProgramCacheKey=function(b){var c=[];b.shaderID?c.push(b.shaderID):(c.push(b.fragmentShader),c.push(b.vertexShader));if(void 0!==b.defines)for(var d in b.defines)c.push(d),c.push(b.defines[d]);
if(void 0===b.isRawShaderMaterial){for(d=0;d<k.length;d++)c.push(b[k[d]]);c.push(a.outputEncoding);c.push(a.gammaFactor)}c.push(b.onBeforeCompile.toString());return c.join()};this.acquireProgram=function(b,c){for(var d,f=0,g=e.length;f<g;f++){var h=e[f];if(h.cacheKey===c){d=h;++d.usedTimes;break}}void 0===d&&(d=new vk(a,c,b),e.push(d));return d};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 yk(){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 zk(a,b){return a.groupOrder!==b.groupOrder?a.groupOrder-b.groupOrder:a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder: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 Ak(a,b){return a.groupOrder!==b.groupOrder?
a.groupOrder-b.groupOrder:a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.z!==b.z?b.z-a.z:a.id-b.id}function Vh(){function a(a,d,e,m,k,p){var g=b[c];void 0===g?(g={id:a.id,object:a,geometry:d,material:e,program:e.program||f,groupOrder:m,renderOrder:a.renderOrder,z:k,group:p},b[c]=g):(g.id=a.id,g.object=a,g.geometry=d,g.material=e,g.program=e.program||f,g.groupOrder=m,g.renderOrder=a.renderOrder,g.z=k,g.group=p);c++;return g}var b=[],c=0,d=[],e=[],f={id:-1};return{opaque:d,transparent:e,
init:function(){c=0;d.length=0;e