/**
 * created by yuanweihai on 2017/6/20.
 */
!function(a,b){"object"==typeof exports&&"undefined"!=typeof module?b(exports):"function"==typeof define&&define.amd?define(["exports"],b):b(a.three=a.three||{})}(this,function(a){"use strict";function b(){}function ub(a,b){this.x=a||0,this.y=b||0}function wb(a,b,c,d,e,f,g,h,i,j){object.defineproperty(this,"id",{value:vb++}),this.uuid=tb.generateuuid(),this.name="",this.image=void 0!==a?a:wb.default_image,this.mipmaps=[],this.mapping=void 0!==b?b:wb.default_mapping,this.wraps=void 0!==c?c:oa,this.wrapt=void 0!==d?d:oa,this.magfilter=void 0!==e?e:ta,this.minfilter=void 0!==f?f:va,this.anisotropy=void 0!==i?i:1,this.format=void 0!==g?g:ka,this.type=void 0!==h?h:wa,this.offset=new ub(0,0),this.repeat=new ub(1,1),this.generatemipmaps=!0,this.premultiplyalpha=!1,this.flipy=!0,this.unpackalignment=4,this.encoding=void 0!==j?j:jb,this.version=0,this.onupdate=null}function xb(a,b,c,d){this.x=a||0,this.y=b||0,this.z=c||0,this.w=void 0!==d?d:1}function 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sb(a,b){a.uniformmatrix4fv(this.addr,!1,b.elements||b)}function tb(a,b,c){var d=c.alloctextureunit();a.uniform1i(this.addr,d),c.settexture2d(b||eb,d)}function ub(a,b,c){var d=c.alloctextureunit();a.uniform1i(this.addr,d),c.settexturecube(b||fb,d)}function vb(a,b){a.uniform2iv(this.addr,b)}function wb(a,b){a.uniform3iv(this.addr,b)}function xb(a,b){a.uniform4iv(this.addr,b)}function yb(a){switch(a){case 5126:return lb;case 35664:return nb;case 35665:return ob;case 35666:return pb;case 35674:return qb;case 35675:return rb;case 35676:return sb;case 35678:return tb;case 35680:return ub;case 5124:case 35670:return mb;case 35667:case 35671:return vb;case 35668:case 35672:return wb;case 35669:case 35673:return xb}}function zb(a,b){a.uniform1fv(this.addr,b)}function $b(a,b){a.uniform1iv(this.addr,b)}function _b(a,b){a.uniform2fv(this.addr,jb(b,this.size,2))}function ac(a,b){a.uniform3fv(this.addr,jb(b,this.size,3))}function bc(a,b){a.uniform4fv(this.addr,jb(b,this.size,4))}function 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we;x.min.set(o.x,o.y),x.max.set(o.x+(o.z-16),o.y+(o.w-16)),void 0===h&&m(),c.useprogram(h),d.initattributes(),d.enableattribute(i.vertex),d.enableattribute(i.uv),d.disableunusedattributes(),c.uniform1i(j.occlusionmap,0),c.uniform1i(j.map,1),c.bindbuffer(c.array_buffer,e),c.vertexattribpointer(i.vertex,2,c.float,!1,16,0),c.vertexattribpointer(i.uv,2,c.float,!1,16,8),c.bindbuffer(c.element_array_buffer,f),d.disable(c.cull_face),d.setdepthwrite(!1);for(var y=0,z=b.length;y<z;y++){t=16/o.w,u.set(t*q,t);var a=b[y];if(p.set(a.matrixworld.elements[12],a.matrixworld.elements[13],a.matrixworld.elements[14]),p.applymatrix4(n.matrixworldinverse),p.applymatrix4(n.projectionmatrix),v.copy(p),w.x=o.x+v.x*r+r-8,w.y=o.y+v.y*s+s-8,x.containspoint(w)===!0){d.activetexture(c.texture0),d.bindtexture(c.texture_2d,null),d.activetexture(c.texture1),d.bindtexture(c.texture_2d,k),c.copyteximage2d(c.texture_2d,0,c.rgb,w.x,w.y,16,16,0),c.uniform1i(j.rendertype,0),c.uniform2f(j.scale,u.x,u.y),c.uniform3f(j.screenposition,v.x,v.y,v.z),d.disable(c.blend),d.enable(c.depth_test),c.drawelements(c.triangles,6,c.unsigned_short,0),d.activetexture(c.texture0),d.bindtexture(c.texture_2d,l),c.copyteximage2d(c.texture_2d,0,c.rgba,w.x,w.y,16,16,0),c.uniform1i(j.rendertype,1),d.disable(c.depth_test),d.activetexture(c.texture1),d.bindtexture(c.texture_2d,k),c.drawelements(c.triangles,6,c.unsigned_short,0),a.positionscreen.copy(v),a.customupdatecallback?a.customupdatecallback(a):a.updatelensflares(),c.uniform1i(j.rendertype,2),d.enable(c.blend);for(var b=0,c=a.lensflares.length;b<c;b++){var d=a.lensflares[b];d.opacity>.001&&d.scale>.001&&(v.x=d.x,v.y=d.y,v.z=d.z,t=d.size*d.scale/o.w,u.x=t*q,u.y=t,c.uniform3f(j.screenposition,v.x,v.y,v.z),c.uniform2f(j.scale,u.x,u.y),c.uniform1f(j.rotation,d.rotation),c.uniform1f(j.opacity,d.opacity),c.uniform3f(j.color,d.color.r,d.color.g,d.color.b),d.setblending(d.blending,d.blendequation,d.blendsrc,d.blenddst),a.settexture2d(d.texture,1),c.drawelements(c.triangles,6,c.unsigned_short,0))}}}d.enable(c.cull_face),d.enable(c.depth_test),d.setdepthwrite(!0),a.resetglstate()}}}function ye(a,b){function n(){var a=new float32array([-.5,-.5,0,0,.5,-.5,1,0,.5,.5,1,1,-.5,.5,0,1]),b=new uint16array([0,1,2,0,2,3]);e=c.createbuffer(),f=c.createbuffer(),c.bindbuffer(c.array_buffer,e),c.bufferdata(c.array_buffer,a,c.static_draw),c.bindbuffer(c.element_array_buffer,f),c.bufferdata(c.element_array_buffer,b,c.static_draw),g=o(),h={position:c.getattriblocation(g,"position"),uv:c.getattriblocation(g,"uv")},i={uvoffset:c.getuniformlocation(g,"uvoffset"),uvscale:c.getuniformlocation(g,"uvscale"),rotation:c.getuniformlocation(g,"rotation"),scale:c.getuniformlocation(g,"scale"),color:c.getuniformlocation(g,"color"),map:c.getuniformlocation(g,"map"),opacity:c.getuniformlocation(g,"opacity"),modelviewmatrix:c.getuniformlocation(g,"modelviewmatrix"),projectionmatrix:c.getuniformlocation(g,"projectionmatrix"),fogtype:c.getuniformlocation(g,"fogtype"),fogdensity:c.getuniformlocation(g,"fogdensity"),fognear:c.getuniformlocation(g,"fognear"),fogfar:c.getuniformlocation(g,"fogfar"),fogcolor:c.getuniformlocation(g,"fogcolor"),alphatest:c.getuniformlocation(g,"alphatest")};var d=document.createelementns("http://www.w3.org/1999/xhtml","canvas");d.width=8,d.height=8;var k=d.getcontext("2d");k.fillstyle="white",k.fillrect(0,0,8,8),j=new wb(d),j.needsupdate=!0}function o(){var b=c.createprogram(),d=c.createshader(c.vertex_shader),e=c.createshader(c.fragment_shader);return c.shadersource(d,["precision "+a.getprecision()+" float;","uniform mat4 modelviewmatrix;","uniform mat4 projectionmatrix;","uniform float rotation;","uniform vec2 scale;","uniform vec2 uvoffset;","uniform vec2 uvscale;","attribute vec2 position;","attribute vec2 uv;","varying vec2 vuv;","void main() {","vuv = uvoffset + uv * uvscale;","vec2 alignedposition = position * scale;","vec2 rotatedposition;","rotatedposition.x = cos( rotation ) * alignedposition.x - sin( rotation ) * alignedposition.y;","rotatedposition.y = sin( rotation ) * alignedposition.x + cos( rotation ) * alignedposition.y;","vec4 finalposition;","finalposition = modelviewmatrix * vec4( 0.0, 0.0, 0.0, 1.0 );","finalposition.xy += rotatedposition;","finalposition = projectionmatrix * finalposition;","gl_position = finalposition;","}"].join("\n")),c.shadersource(e,["precision "+a.getprecision()+" float;","uniform vec3 color;","uniform sampler2d map;","uniform float opacity;","uniform int fogtype;","uniform vec3 fogcolor;","uniform float fogdensity;","uniform float fognear;","uniform float fogfar;","uniform float alphatest;","varying vec2 vuv;","void main() {","vec4 texture = texture2d( map, vuv );","if ( texture.a < alphatest ) discard;","gl_fragcolor = vec4( color * texture.xyz, texture.a * opacity );","if ( fogtype > 0 ) {","float depth = gl_fragcoord.z / gl_fragcoord.w;","float fogfactor = 0.0;","if ( fogtype == 1 ) {","fogfactor = smoothstep( fognear, fogfar, depth );","} else {","const float log2 = 1.442695;","fogfactor = exp2( - fogdensity * fogdensity * depth * depth * log2 );","fogfactor = 1.0 - clamp( fogfactor, 0.0, 1.0 );","}","gl_fragcolor = mix( gl_fragcolor, vec4( fogcolor, gl_fragcolor.w ), fogfactor );","}","}"].join("\n")),c.compileshader(d),c.compileshader(e),c.attachshader(b,d),c.attachshader(b,e),c.linkprogram(b),b}function p(a,b){return a.renderorder!==b.renderorder?a.renderorder-b.renderorder:a.z!==b.z?b.z-a.z:b.id-a.id}var e,f,g,h,i,j,c=a.context,d=a.state,k=new bb,l=new ab,m=new bb;this.render=function(o,q){if(0!==b.length){void 0===g&&n(),c.useprogram(g),d.initattributes(),d.enableattribute(h.position),d.enableattribute(h.uv),d.disableunusedattributes(),d.disable(c.cull_face),d.enable(c.blend),c.bindbuffer(c.array_buffer,e),c.vertexattribpointer(h.position,2,c.float,!1,16,0),c.vertexattribpointer(h.uv,2,c.float,!1,16,8),c.bindbuffer(c.element_array_buffer,f),c.uniformmatrix4fv(i.projectionmatrix,!1,q.projectionmatrix.elements),d.activetexture(c.texture0),c.uniform1i(i.map,0);var r=0,s=0,t=o.fog;t?(c.uniform3f(i.fogcolor,t.color.r,t.color.g,t.color.b),t.isfog?(c.uniform1f(i.fognear,t.near),c.uniform1f(i.fogfar,t.far),c.uniform1i(i.fogtype,1),r=1,s=1):t.isfogexp2&&(c.uniform1f(i.fogdensity,t.density),c.uniform1i(i.fogtype,2),r=2,s=2)):(c.uniform1i(i.fogtype,0),r=0,s=0);for(var u=0,v=b.length;u<v;u++){var w=b[u];w.modelviewmatrix.multiplymatrices(q.matrixworldinverse,w.matrixworld),w.z=-w.modelviewmatrix.elements[14]}b.sort(p);for(var x=[],u=0,v=b.length;u<v;u++){var w=b[u],y=w.material;if(y.visible!==!1){c.uniform1f(i.alphatest,y.alphatest),c.uniformmatrix4fv(i.modelviewmatrix,!1,w.modelviewmatrix.elements),w.matrixworld.decompose(k,l,m),x[0]=m.x,x[1]=m.y;var z=0;o.fog&&y.fog&&(z=s),r!==z&&(c.uniform1i(i.fogtype,z),r=z),null!==y.map?(c.uniform2f(i.uvoffset,y.map.offset.x,y.map.offset.y),c.uniform2f(i.uvscale,y.map.repeat.x,y.map.repeat.y)):(c.uniform2f(i.uvoffset,0,0),c.uniform2f(i.uvscale,1,1)),c.uniform1f(i.opacity,y.opacity),c.uniform3f(i.color,y.color.r,y.color.g,y.color.b),c.uniform1f(i.rotation,y.rotation),c.uniform2fv(i.scale,x),d.setblending(y.blending,y.blendequation,y.blendsrc,y.blenddst),d.setdepthtest(y.depthtest),d.setdepthwrite(y.depthwrite),y.map?a.settexture2d(y.map,0):a.settexture2d(j,0),c.drawelements(c.triangles,6,c.unsigned_short,0)}}d.enable(c.cull_face),a.resetglstate()}}}function ae(){object.defineproperty(this,"id",{value:ze++}),this.uuid=tb.generateuuid(),this.name="",this.type="material",this.fog=!0,this.lights=!0,this.blending=w,this.side=n,this.shading=r,this.vertexcolors=s,this.opacity=1,this.transparent=!1,this.blendsrc=k,this.blenddst=l,this.blendequation=b,this.blendsrcalpha=null,this.blenddstalpha=null,this.blendequationalpha=null,this.depthfunc=u,this.depthtest=!0,this.depthwrite=!0,this.clippingplanes=null,this.clipintersection=!1,this.clipshadows=!1,this.colorwrite=!0,this.precision=null,this.polygonoffset=!1,this.polygonoffsetfactor=0,this.polygonoffsetunits=0,this.alphatest=0,this.premultipliedalpha=!1,this.overdraw=0,this.visible=!0,this._needsupdate=!0}function be(a){ae.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.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphtargets=!1,this.morphnormals=!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,void 0!==a&&(void 0!==a.attributes&&console.error("three.shadermaterial: attributes should now be defined in three.buffergeometry instead."),this.setvalues(a))}function ce(a){ae.call(this),this.type="meshdepthmaterial",this.depthpacking=rb,this.skinning=!1,this.morphtargets=!1,this.map=null,this.alphamap=null,this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.wireframe=!1,this.wireframelinewidth=1,this.fog=!1,this.lights=!1,this.setvalues(a)}function de(a,b){this.min=void 0!==a?a:new bb(+(1/0),+(1/0),+(1/0)),this.max=void 0!==b?b:new bb(-(1/0),-(1/0),-(1/0))}function ee(a,b){this.center=void 0!==a?a:new bb,this.radius=void 0!==b?b:0}function fe(){this.elements=new float32array([1,0,0,0,1,0,0,0,1]),arguments.length>0&&console.error("three.matrix3: the constructor no longer reads arguments. use .set() instead.")}function ge(a,b){this.normal=void 0!==a?a:new bb(1,0,0),this.constant=void 0!==b?b:0}function he(a,b,c,d,e,f){this.planes=[void 0!==a?a:new ge,void 0!==b?b:new ge,void 0!==c?c:new ge,void 0!==d?d:new ge,void 0!==e?e:new ge,void 0!==f?f:new ge]}function ie(a,b,c,d){function k(b,c,d,e){var f=b.geometry,g=null,h=v,i=b.customdepthmaterial;if(d&&(h=w,i=b.customdistancematerial),i)g=i;else{var j=!1;c.morphtargets&&(f&&f.isbuffergeometry?j=f.morphattributes&&f.morphattributes.position&&f.morphattributes.position.length>0:f&&f.isgeometry&&(j=f.morphtargets&&f.morphtargets.length>0));var k=b.isskinnedmesh&&c.skinning,l=0;j&&(l|=s),k&&(l|=t),g=h[l]}if(a.localclippingenabled&&c.clipshadows===!0&&0!==c.clippingplanes.length){var m=g.uuid,q=c.uuid,r=x[m];void 0===r&&(r={},x[m]=r);var u=r[q];void 0===u&&(u=g.clone(),r[q]=u),g=u}g.visible=c.visible,g.wireframe=c.wireframe;var y=c.side;return j.rendersinglesided&&y==p&&(y=n),j.renderreversesided&&(y===n?y=o:y===o&&(y=n)),g.side=y,g.clipshadows=c.clipshadows,g.clippingplanes=c.clippingplanes,g.wireframelinewidth=c.wireframelinewidth,g.linewidth=c.linewidth,d&&void 0!==g.uniforms.lightpos&&g.uniforms.lightpos.value.copy(e),g}function l(a,b,c){if(a.visible!==!1){var d=0!==(a.layers.mask&b.layers.mask);if(d&&(a.ismesh||a.isline||a.ispoints)&&a.castshadow&&(a.frustumculled===!1||g.intersectsobject(a)===!0)){var e=a.material;e.visible===!0&&(a.modelviewmatrix.multiplymatrices(c.matrixworldinverse,a.matrixworld),r.push(a))}for(var f=a.children,h=0,i=f.length;h<i;h++)l(f[h],b,c)}}var e=a.context,f=a.state,g=new he,h=new cb,i=b.shadows,j=new ub,k=new ub(d.maxtexturesize,d.maxtexturesize),m=new bb,q=new bb,r=[],s=1,t=2,u=(s|t)+1,v=new array(u),w=new array(u),x={},y=[new bb(1,0,0),new bb(-1,0,0),new bb(0,0,1),new bb(0,0,-1),new bb(0,1,0),new bb(0,-1,0)],z=[new bb(0,1,0),new bb(0,1,0),new bb(0,1,0),new bb(0,1,0),new bb(0,0,1),new bb(0,0,-1)],a=[new xb,new xb,new xb,new xb,new xb,new xb],b=new ce;b.depthpacking=sb,b.clipping=!0;for(var c=ve.distancergba,d=pc.clone(c.uniforms),e=0;e!==u;++e){var f=0!==(e&s),g=0!==(e&t),h=b.clone();h.morphtargets=f,h.skinning=g,v[e]=h;var i=new be({defines:{use_shadowmap:""},uniforms:d,vertexshader:c.vertexshader,fragmentshader:c.fragmentshader,morphtargets:f,skinning:g,clipping:!0});w[e]=i}var j=this;this.enabled=!1,this.autoupdate=!0,this.needsupdate=!1,this.type=l,this.renderreversesided=!0,this.rendersinglesided=!0,this.render=function(b,d){if(j.enabled!==!1&&(j.autoupdate!==!1||j.needsupdate!==!1)&&0!==i.length){f.buffers.color.setclear(1,1,1,1),f.disable(e.blend),f.setdepthtest(!0),f.setscissortest(!1);for(var l,n,o=0,p=i.length;o<p;o++){var s=i[o],t=s.shadow;if(void 0!==t){var u=t.camera;if(j.copy(t.mapsize),j.min(k),s&&s.ispointlight){l=6,n=!0;var v=j.x,w=j.y;a[0].set(2*v,w,v,w),a[1].set(0,w,v,w),a[2].set(3*v,w,v,w),a[3].set(v,w,v,w),a[4].set(3*v,0,v,w),a[5].set(v,0,v,w),j.x*=4,j.y*=2}else l=1,n=!1;if(null===t.map){var x={minfilter:qa,magfilter:qa,format:ka};t.map=new yb(j.x,j.y,x),u.updateprojectionmatrix()}t.isspotlightshadow&&t.update(s),t&&t.isrectarealightshadow&&t.update(s);var b=t.map,c=t.matrix;q.setfrommatrixposition(s.matrixworld),u.position.copy(q),a.setrendertarget(b),a.clear();for(var d=0;d<l;d++){if(n){m.copy(u.position),m.add(y[d]),u.up.copy(z[d]),u.lookat(m);var e=a[d];f.viewport(e)}else m.setfrommatrixposition(s.target.matrixworld),u.lookat(m);u.updatematrixworld(),u.matrixworldinverse.getinverse(u.matrixworld),c.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),c.multiply(u.projectionmatrix),c.multiply(u.matrixworldinverse),h.multiplymatrices(u.projectionmatrix,u.matrixworldinverse),g.setfrommatrix(h),r.length=0,l(b,d,u);for(var f=0,g=r.length;f<g;f++){var h=r[f],i=c.update(h),m=h.material;if(m&&m.ismultimaterial)for(var n=i.groups,o=m.materials,p=0,q=n.length;p<q;p++){var r=n[p],s=o[r.materialindex];if(s.visible===!0){var t=k(h,s,n,q);a.renderbufferdirect(u,null,i,t,h,r)}}else{var t=k(h,m,n,q);a.renderbufferdirect(u,null,i,t,h,null)}}}}else console.warn("three.webglshadowmap:",s,"has no shadow.")}var u=a.getclearcolor(),v=a.getclearalpha();a.setclearcolor(u,v),j.needsupdate=!1}}}function je(a,b){this.origin=void 0!==a?a:new bb,this.direction=void 0!==b?b:new bb}function ke(a,b,c,d){this._x=a||0,this._y=b||0,this._z=c||0,this._order=d||ke.defaultorder}function le(){this.mask=1}function ne(){function e(){c.setfromeuler(b,!1)}function f(){b.setfromquaternion(c,void 0,!1)}object.defineproperty(this,"id",{value:me++}),this.uuid=tb.generateuuid(),this.name="",this.type="object3d",this.parent=null,this.children=[],this.up=ne.defaultup.clone();var a=new bb,b=new ke,c=new ab,d=new bb(1,1,1);b.onchange(e),c.onchange(f),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 cb},normalmatrix:{value:new fe}}),this.matrix=new cb,this.matrixworld=new cb,this.matrixautoupdate=ne.defaultmatrixautoupdate,this.matrixworldneedsupdate=!1,this.layers=new le,this.visible=!0,this.castshadow=!1,this.receiveshadow=!1,this.frustumculled=!0,this.renderorder=0,this.userdata={},this.onbeforerender=function(){},this.onafterrender=function(){}}function oe(a,b){this.start=void 0!==a?a:new bb,this.end=void 0!==b?b:new bb}function pe(a,b,c){this.a=void 0!==a?a:new bb,this.b=void 0!==b?b:new bb,this.c=void 0!==c?c:new bb}function qe(a,b,c,d,e,f){this.a=a,this.b=b,this.c=c,this.normal=d&&d.isvector3?d:new bb,this.vertexnormals=array.isarray(d)?d:[],this.color=e&&e.iscolor?e:new re,this.vertexcolors=array.isarray(e)?e:[],this.materialindex=void 0!==f?f:0}function re(a){ae.call(this),this.type="meshbasicmaterial",this.color=new re(16777215),this.map=null,this.lightmap=null,this.lightmapintensity=1,this.aomap=null,this.aomapintensity=1,this.specularmap=null,this.alphamap=null,this.envmap=null,this.combine=z,this.reflectivity=1,this.refractionratio=.98,this.wireframe=!1,this.wireframelinewidth=1,this.wireframelinecap="round",this.wireframelinejoin="round",this.skinning=!1,this.morphtargets=!1,this.lights=!1,this.setvalues(a)}function se(a,b,c){if(array.isarray(a))throw new typeerror("three.bufferattribute: array should be a typed array.");this.uuid=tb.generateuuid(),this.array=a,this.itemsize=b,this.count=void 0!==a?a.length/b:0,this.normalized=c===!0,this.dynamic=!1,this.updaterange={offset:0,count:-1},this.onuploadcallback=function(){},this.version=0}function te(a,b){se.call(this,new int8array(a),b)}function ue(a,b){se.call(this,new uint8array(a),b)}function ve(a,b){se.call(this,new uint8clampedarray(a),b)}function we(a,b){se.call(this,new int16array(a),b)}function xe(a,b){se.call(this,new uint16array(a),b)}function ye(a,b){se.call(this,new int32array(a),b)}function ze(a,b){se.call(this,new uint32array(a),b)}function $e(a,b){se.call(this,new float32array(a),b)}function _e(a,b){se.call(this,new float64array(a),b)}function af(){this.indices=[],this.vertices=[],this.normals=[],this.colors=[],this.uvs=[],this.uvs2=[],this.groups=[],this.morphtargets={},this.skinweights=[],this.skinindices=[],this.boundingbox=null,this.boundingsphere=null,this.verticesneedupdate=!1,this.normalsneedupdate=!1,this.colorsneedupdate=!1,this.uvsneedupdate=!1,this.groupsneedupdate=!1}function bf(a){for(var b=a.length,c=-(1/0);b--;)a[b]>c&&(c=a[b]);return c}function df(){return cf++}function ef(){object.defineproperty(this,"id",{value:df()}),this.uuid=tb.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.boundingbox=null,this.boundingsphere=null,this.elementsneedupdate=!1,this.verticesneedupdate=!1,this.uvsneedupdate=!1,this.normalsneedupdate=!1,this.colorsneedupdate=!1,this.linedistancesneedupdate=!1,this.groupsneedupdate=!1}function ff(){object.defineproperty(this,"id",{value:df()}),this.uuid=tb.generateuuid(),this.name="",this.type="buffergeometry",this.index=null,this.attributes={},this.morphattributes={},this.groups=[],this.boundingbox=null,this.boundingsphere=null,this.drawrange={start:0,count:1/0}}function gf(a,b){ne.call(this),this.type="mesh",this.geometry=void 0!==a?a:new ff,this.material=void 0!==b?b:new re({color:16777215*math.random()}),this.drawmode=gb,this.updatemorphtargets()}function hf(a,b,c,d,e,f){ef.call(this),this.type="boxgeometry",this.parameters={width:a,height:b,depth:c,widthsegments:d,heightsegments:e,depthsegments:f},this.frombuffergeometry(new jf(a,b,c,d,e,f)),this.mergevertices()}function jf(a,b,c,d,e,f){function n(a,b,c,d,e,f,n,o,p,q,r){var b,c,s=f/p,t=n/q,u=f/2,v=n/2,w=o/2,x=p+1,y=q+1,z=0,a=0,d=new bb;for(c=0;c<y;c++){var e=c*t-v;for(b=0;b<x;b++){var f=b*s-u;d[a]=f*d,d[b]=e*e,d[c]=w,i.push(d.x,d.y,d.z),d[a]=0,d[b]=0,d[c]=o>0?1:-1,j.push(d.x,d.y,d.z),k.push(b/p),k.push(1-c/q),z+=1}}for(c=0;c<q;c++)for(b=0;b<p;b++){var g=l+b+x*c,h=l+b+x*(c+1),i=l+(b+1)+x*(c+1),j=l+(b+1)+x*c;h.push(g,h,j),h.push(h,i,j),a+=6}g.addgroup(m,a,r),m+=a,l+=z}ff.call(this),this.type="boxbuffergeometry",this.parameters={width:a,height:b,depth:c,widthsegments:d,heightsegments:e,depthsegments:f};var g=this;d=math.floor(d)||1,e=math.floor(e)||1,f=math.floor(f)||1;var h=[],i=[],j=[],k=[],l=0,m=0;n("z","y","x",-1,-1,c,b,a,f,e,0),n("z","y","x",1,-1,c,b,-a,f,e,1),n("x","z","y",1,1,a,c,b,d,f,2),n("x","z","y",1,-1,a,c,-b,d,f,3),n("x","y","z",1,-1,a,b,c,d,e,4),n("x","y","z",-1,-1,a,b,-c,d,e,5),this.setindex(h),this.addattribute("position",new $e(i,3)),this.addattribute("normal",new $e(j,3)),this.addattribute("uv",new $e(k,2))}function kf(a,b,c,d){ef.call(this),this.type="planegeometry",this.parameters={width:a,height:b,widthsegments:c,heightsegments:d},this.frombuffergeometry(new lf(a,b,c,d))}function lf(a,b,c,d){ff.call(this),this.type="planebuffergeometry",this.parameters={width:a,height:b,widthsegments:c,heightsegments:d};var m,n,e=a/2,f=b/2,g=math.floor(c)||1,h=math.floor(d)||1,i=g+1,j=h+1,k=a/g,l=b/h,o=[],p=[],q=[],r=[];for(n=0;n<j;n++){var s=n*l-f;for(m=0;m<i;m++){var t=m*k-e;p.push(t,-s,0),q.push(0,0,1),r.push(m/g),r.push(1-n/h)}}for(n=0;n<h;n++)for(m=0;m<g;m++){var u=m+i*n,v=m+i*(n+1),w=m+1+i*(n+1),x=m+1+i*n;o.push(u,v,x),o.push(v,w,x)}this.setindex(o),this.addattribute("position",new $e(p,3)),this.addattribute("normal",new $e(q,3)),this.addattribute("uv",new $e(r,2))}function mf(){ne.call(this),this.type="camera",this.matrixworldinverse=new cb,this.projectionmatrix=new cb}function nf(a,b,c,d){mf.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 of(a,b,c,d,e,f){mf.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 pf(a,b,c){function e(a){d=a}function h(c){c.array instanceof uint32array&&b.get("oes_element_index_uint")?(f=a.unsigned_int,g=4):c.array instanceof uint16array?(f=a.unsigned_short,g=2):(f=a.unsigned_byte,g=1)}function i(b,e){a.drawelements(d,e,f,b*g),c.calls++,c.vertices+=e,d===a.triangles&&(c.faces+=e/3)}function j(e,h,i){var j=b.get("angle_instanced_arrays");return null===j?void console.error("three.webglbufferrenderer: using three.instancedbuffergeometry but hardware does not support extension angle_instanced_arrays."):(j.drawelementsinstancedangle(d,i,f,h*g,e.maxinstancedcount),c.calls++,c.vertices+=i*e.maxinstancedcount,void(d===a.triangles&&(c.faces+=e.maxinstancedcount*i/3)))}var d,f,g;return{setmode:e,setindex:h,render:i,renderinstances:j}}function qf(a,b,c){function e(a){d=a}function f(b,e){a.drawarrays(d,b,e),c.calls++,c.vertices+=e,d===a.triangles&&(c.faces+=e/3)}function g(e){var f=b.get("angle_instanced_arrays");if(null===f)return void console.error("three.webglbufferrenderer: using three.instancedbuffergeometry but hardware does not support extension angle_instanced_arrays.");var g=e.attributes.position,h=0;g.isinterleavedbufferattribute?(h=g.data.count,f.drawarraysinstancedangle(d,0,h,e.maxinstancedcount)):(h=g.count,f.drawarraysinstancedangle(d,0,h,e.maxinstancedcount)),c.calls++,c.vertices+=h*e.maxinstancedcount,d===a.triangles&&(c.faces+=e.maxinstancedcount*h/3)}var d;return{setmode:e,render:f,renderinstances:g}}function rf(){var a={};return{get:function(b){if(void 0!==a[b.id])return a[b.id];var c;switch(b.type){case"directionallight":c={direction:new bb,color:new re,shadow:!1,shadowbias:0,shadowradius:1,shadowmapsize:new ub};break;case"spotlight":c={position:new bb,direction:new bb,color:new re,distance:0,conecos:0,penumbracos:0,decay:0,shadow:!1,shadowbias:0,shadowradius:1,shadowmapsize:new ub};break;case"pointlight":
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i(){h.value!==b&&(h.value=b,h.needsupdate=c>0),a.numplanes=c,a.numintersection=0}function j(b,c,d,e){var i=null!==b?b.length:0,j=null;if(0!==i){if(j=h.value,e!==!0||null===j){var k=d+4*i,l=c.matrixworldinverse;g.getnormalmatrix(l),(null===j||j.length<k)&&(j=new float32array(k));for(var m=0,n=d;m!==i;++m,n+=4)f.copy(b[m]).applymatrix4(l,g),f.normal.toarray(j,n),j[n+3]=f.constant}h.value=j,h.needsupdate=!0}return a.numplanes=i,j}var a=this,b=null,c=0,d=!1,e=!1,f=new ge,g=new fe,h={value:null,needsupdate:!1};this.uniform=h,this.numplanes=0,this.numintersection=0,this.init=function(a,e,f){var g=0!==a.length||e||0!==c||d;return d=e,b=j(a,f,0),c=a.length,g},this.beginshadows=function(){e=!0,j(null)},this.endshadows=function(){e=!1,i()},this.setstate=function(a,f,g,k,l,m){if(!d||null===a||0===a.length||e&&!g)e?j(null):i();else{var n=e?0:c,o=4*n,p=l.clippingstate||null;h.value=p,p=j(a,k,o,m);for(var q=0;q!==o;++q)p[q]=b[q];l.clippingstate=p,this.numintersection=f?this.numplanes:0,this.numplanes+=n}}}function qf(a){function tb(){return null===a?ca:1}function ub(){eb.init(),eb.scissor(v.copy(da).multiplyscalar(ca)),eb.viewport(x.copy(fa).multiplyscalar(ca)),eb.buffers.color.setclear(z.r,z.g,z.b,$,j)}function vb(){z=null,u=null,t="",s=-1,eb.reset()}function ab(a){a.preventdefault(),vb(),ub(),fb.clear()}function db(a){var b=a.target;b.removeeventlistener("dispose",db),eb(b)}function eb(a){fb(a),fb.delete(a)}function fb(a){var b=fb.get(a).program;a.program=void 0,void 0!==b&&lb.releaseprogram(b)}function gb(a,b,c,d){var e;if(c&&c.isinstancedbuffergeometry&&(e=cb.get("angle_instanced_arrays"),null===e))return void console.error("three.webglrenderer.setupvertexattributes: using three.instancedbuffergeometry but hardware does not support extension angle_instanced_arrays.");void 0===d&&(d=0),eb.initattributes();var f=c.attributes,g=b.getattributes(),h=a.defaultattributevalues;for(var i in g){var j=g[i];if(j>=0){var k=f[i];if(void 0!==k){var l=k.normalized,m=k.itemsize,n=kb.getattributeproperties(k),o=n.__webglbuffer,p=n.type,q=n.bytesperelement;if(k.isinterleavedbufferattribute){var r=k.data,s=r.stride,t=k.offset;r&&r.isinstancedinterleavedbuffer?(eb.enableattributeanddivisor(j,r.meshperattribute,e),void 0===c.maxinstancedcount&&(c.maxinstancedcount=r.meshperattribute*r.count)):eb.enableattribute(j),ab.bindbuffer(ab.array_buffer,o),ab.vertexattribpointer(j,m,p,l,s*q,(d*s+t)*q)}else k.isinstancedbufferattribute?(eb.enableattributeanddivisor(j,k.meshperattribute,e),void 0===c.maxinstancedcount&&(c.maxinstancedcount=k.meshperattribute*k.count)):eb.enableattribute(j),ab.bindbuffer(ab.array_buffer,o),ab.vertexattribpointer(j,m,p,l,0,d*m*q)}else if(void 0!==h){var u=h[i];if(void 0!==u)switch(u.length){case 2:ab.vertexattrib2fv(j,u);break;case 3:ab.vertexattrib3fv(j,u);break;case 4:ab.vertexattrib4fv(j,u);break;default:ab.vertexattrib1fv(j,u)}}}}eb.disableunusedattributes()}function hb(a,b){return math.abs(b[0])-math.abs(a[0])}function ib(a,b){return a.object.renderorder!==b.object.renderorder?a.object.renderorder-b.object.renderorder:a.material.program&&b.material.program&&a.material.program!==b.material.program?a.material.program.id-b.material.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 jb(a,b){return a.object.renderorder!==b.object.renderorder?a.object.renderorder-b.object.renderorder:a.z!==b.z?b.z-a.z:a.id-b.id}function kb(a,b,c,d,e){var f,g;c.transparent?(f=r,g=++t):(f=m,g=++n);var h=f[g];void 0!==h?(h.id=a.id,h.object=a,h.geometry=b,h.material=c,h.z=ma.z,h.group=e):(h={id:a.id,object:a,geometry:b,material:c,z:ma.z,group:e},f.push(h))}function lb(a){var b=a.geometry;return null===b.boundingsphere&&b.computeboundingsphere(),ka.copy(b.boundingsphere).applymatrix4(a.matrixworld),nb(ka)}function mb(a){return ka.center.set(0,0,0),ka.radius=.7071067811865476,ka.applymatrix4(a.matrixworld),nb(ka)}function nb(a){if(!ga.intersectssphere(a))return!1;var b=ha.numplanes;if(0===b)return!0;var c=y.clippingplanes,d=a.center,e=-a.radius,f=0;do if(c[f].distancetopoint(d)<e)return!1;while(++f!==b);return!0}function ob(a,b){if(a.visible!==!1){var c=0!==(a.layers.mask&b.layers.mask);if(c)if(a.islight)l.push(a);else if(a.issprite)a.frustumculled!==!1&&mb(a)!==!0||w.push(a);else if(a.islensflare)x.push(a);else if(a.isimmediaterenderobject)y.sortobjects===!0&&(ma.setfrommatrixposition(a.matrixworld),ma.applymatrix4(la)),kb(a,null,a.material,ma.z,null);else if((a.ismesh||a.isline||a.ispoints)&&(a.isskinnedmesh&&a.skeleton.update(),a.frustumculled===!1||lb(a)===!0)){var d=a.material;if(d.visible===!0){y.sortobjects===!0&&(ma.setfrommatrixposition(a.matrixworld),ma.applymatrix4(la));var e=kb.update(a);if(d.ismultimaterial)for(var f=e.groups,g=d.materials,h=0,i=f.length;h<i;h++){var j=f[h],k=g[j.materialindex];k.visible===!0&&kb(a,e,k,ma.z,j)}else kb(a,e,d,ma.z,null)}}for(var m=a.children,h=0,i=m.length;h<i;h++)ob(m[h],b)}}function pb(a,b,c,d){for(var e=0,f=a.length;e<f;e++){var g=a[e],h=g.object,i=g.geometry,j=void 0===d?g.material:d,k=g.group;if(h.modelviewmatrix.multiplymatrices(c.matrixworldinverse,h.matrixworld),h.normalmatrix.getnormalmatrix(h.modelviewmatrix),h.onbeforerender(y,b,c,i,j,k),h.isimmediaterenderobject){rb(j);var l=sb(c,b.fog,j,h);t="",h.render(function(a){y.renderbufferimmediate(a,l,j)})}else y.renderbufferdirect(c,b.fog,i,j,h,k);h.onafterrender(y,b,c,i,j,k)}}function qb(a,b,c){var d=fb.get(a),e=lb.getparameters(a,$a,b,ha.numplanes,ha.numintersection,c),f=lb.getprogramcode(a,e),g=d.program,h=!0;if(void 0===g)a.addeventlistener("dispose",db);else if(g.code!==f)fb(a);else{if(void 0!==e.shaderid)return;h=!1}if(h){if(e.shaderid){var i=ve[e.shaderid];d.__webglshader={name:a.type,uniforms:pc.clone(i.uniforms),vertexshader:i.vertexshader,fragmentshader:i.fragmentshader}}else d.__webglshader={name:a.type,uniforms:a.uniforms,vertexshader:a.vertexshader,fragmentshader:a.fragmentshader};a.__webglshader=d.__webglshader,g=lb.acquireprogram(a,e,f),d.program=g,a.program=g}var j=g.getattributes();if(a.morphtargets){a.numsupportedmorphtargets=0;for(var k=0;k<y.maxmorphtargets;k++)j["morphtarget"+k]>=0&&a.numsupportedmorphtargets++}if(a.morphnormals){a.numsupportedmorphnormals=0;for(var k=0;k<y.maxmorphnormals;k++)j["morphnormal"+k]>=0&&a.numsupportedmorphnormals++}var l=d.__webglshader.uniforms;(a.isshadermaterial||a.israwshadermaterial)&&a.clipping!==!0||(d.numclippingplanes=ha.numplanes,d.numintersection=ha.numintersection,l.clippingplanes=ha.uniform),d.fog=b,d.lightshash=$a.hash,a.lights&&(l.ambientlightcolor.value=$a.ambient,l.directionallights.value=$a.directional,l.spotlights.value=$a.spot,l.rectarealights.value=$a.rectarea,l.pointlights.value=$a.point,l.hemispherelights.value=$a.hemi,l.directionalshadowmap.value=$a.directionalshadowmap,l.directionalshadowmatrix.value=$a.directionalshadowmatrix,l.spotshadowmap.value=$a.spotshadowmap,l.spotshadowmatrix.value=$a.spotshadowmatrix,l.pointshadowmap.value=$a.pointshadowmap,l.pointshadowmatrix.value=$a.pointshadowmatrix);var m=d.program.getuniforms(),n=oc.seqwithvalue(m.seq,l);d.uniformslist=n}function rb(a){a.side===p?eb.disable(ab.cull_face):eb.enable(ab.cull_face),eb.setflipsided(a.side===o),a.transparent===!0?eb.setblending(a.blending,a.blendequation,a.blendsrc,a.blenddst,a.blendequationalpha,a.blendsrcalpha,a.blenddstalpha,a.premultipliedalpha):eb.setblending(v),eb.setdepthfunc(a.depthfunc),eb.setdepthtest(a.depthtest),eb.setdepthwrite(a.depthwrite),eb.setcolorwrite(a.colorwrite),eb.setpolygonoffset(a.polygonoffset,a.polygonoffsetfactor,a.polygonoffsetunits)}function sb(a,b,c,d){y=0;var e=fb.get(c);if(ia&&(ja||a!==u)){var f=a===u&&c.id===s;ha.setstate(c.clippingplanes,c.clipintersection,c.clipshadows,a,e,f)}c.needsupdate===!1&&(void 0===e.program?c.needsupdate=!0:c.fog&&e.fog!==b?c.needsupdate=!0:c.lights&&e.lightshash!==$a.hash?c.needsupdate=!0:void 0===e.numclippingplanes||e.numclippingplanes===ha.numplanes&&e.numintersection===ha.numintersection||(c.needsupdate=!0)),c.needsupdate&&(qb(c,b,d),c.needsupdate=!1);var g=!1,h=!1,i=!1,j=e.program,k=j.getuniforms(),l=e.__webglshader.uniforms;if(j.id!==z&&(ab.useprogram(j.program),z=j.id,g=!0,h=!0,i=!0),c.id!==s&&(s=c.id,h=!0),g||a!==u){if(k.set(ab,a,"projectionmatrix"),db.logarithmicdepthbuffer&&k.setvalue(ab,"logdepthbuffc",2/(math.log(a.far+1)/math.ln2)),a!==u&&(u=a,h=!0,i=!0),c.isshadermaterial||c.ismeshphongmaterial||c.ismeshstandardmaterial||c.envmap){var m=k.map.cameraposition;void 0!==m&&m.setvalue(ab,ma.setfrommatrixposition(a.matrixworld))}(c.ismeshphongmaterial||c.ismeshlambertmaterial||c.ismeshbasicmaterial||c.ismeshstandardmaterial||c.isshadermaterial||c.skinning)&&k.setvalue(ab,"viewmatrix",a.matrixworldinverse),k.set(ab,y,"tonemappingexposure"),k.set(ab,y,"tonemappingwhitepoint")}if(c.skinning){k.setoptional(ab,d,"bindmatrix"),k.setoptional(ab,d,"bindmatrixinverse");var n=d.skeleton;n&&(db.floatvertextextures&&n.usevertextexture?(k.set(ab,n,"bonetexture"),k.set(ab,n,"bonetexturewidth"),k.set(ab,n,"bonetextureheight")):k.setoptional(ab,n,"bonematrices"))}return h&&(c.lights&&cc(l,i),b&&c.fog&&xb(l,b),(c.ismeshbasicmaterial||c.ismeshlambertmaterial||c.ismeshphongmaterial||c.ismeshstandardmaterial||c.ismeshnormalmaterial||c.ismeshdepthmaterial)&&tb(l,c),c.islinebasicmaterial?ub(l,c):c.islinedashedmaterial?(ub(l,c),vb(l,c)):c.ispointsmaterial?wb(l,c):c.ismeshlambertmaterial?yb(l,c):c.ismeshtoonmaterial?$b(l,c):c.ismeshphongmaterial?zb(l,c):c.ismeshphysicalmaterial?ac(l,c):c.ismeshstandardmaterial?_b(l,c):c.ismeshdepthmaterial?c.displacementmap&&(l.displacementmap.value=c.displacementmap,l.displacementscale.value=c.displacementscale,l.displacementbias.value=c.displacementbias):c.ismeshnormalmaterial&&bc(l,c),void 0!==l.ltcmat&&(l.ltcmat.value=three.uniformslib.ltc_mat_texture),void 0!==l.ltcmag&&(l.ltcmag.value=three.uniformslib.ltc_mag_texture),oc.upload(ab,e.uniformslist,l,y)),k.set(ab,d,"modelviewmatrix"),k.set(ab,d,"normalmatrix"),k.setvalue(ab,"modelmatrix",d.matrixworld),j}function tb(a,b){a.opacity.value=b.opacity,a.diffuse.value=b.color,b.emissive&&a.emissive.value.copy(b.emissive).multiplyscalar(b.emissiveintensity),a.map.value=b.map,a.specularmap.value=b.specularmap,a.alphamap.value=b.alphamap,b.lightmap&&(a.lightmap.value=b.lightmap,a.lightmapintensity.value=b.lightmapintensity),b.aomap&&(a.aomap.value=b.aomap,a.aomapintensity.value=b.aomapintensity);var c;if(b.map?c=b.map:b.specularmap?c=b.specularmap:b.displacementmap?c=b.displacementmap:b.normalmap?c=b.normalmap:b.bumpmap?c=b.bumpmap:b.roughnessmap?c=b.roughnessmap:b.metalnessmap?c=b.metalnessmap:b.alphamap?c=b.alphamap:b.emissivemap&&(c=b.emissivemap),void 0!==c){c.iswebglrendertarget&&(c=c.texture);var d=c.offset,e=c.repeat;a.offsetrepeat.value.set(d.x,d.y,e.x,e.y)}a.envmap.value=b.envmap,a.flipenvmap.value=b.envmap&&b.envmap.iscubetexture?-1:1,a.reflectivity.value=b.reflectivity,a.refractionratio.value=b.refractionratio}function ub(a,b){a.diffuse.value=b.color,a.opacity.value=b.opacity}function vb(a,b){a.dashsize.value=b.dashsize,a.totalsize.value=b.dashsize+b.gapsize,a.scale.value=b.scale}function wb(a,b){if(a.diffuse.value=b.color,a.opacity.value=b.opacity,a.size.value=b.size*ca,a.scale.value=.5*aa,a.map.value=b.map,null!==b.map){var c=b.map.offset,d=b.map.repeat;a.offsetrepeat.value.set(c.x,c.y,d.x,d.y)}}function xb(a,b){a.fogcolor.value=b.color,b.isfog?(a.fognear.value=b.near,a.fogfar.value=b.far):b.isfogexp2&&(a.fogdensity.value=b.density)}function yb(a,b){b.emissivemap&&(a.emissivemap.value=b.emissivemap)}function zb(a,b){a.specular.value=b.specular,a.shininess.value=math.max(b.shininess,1e-4),b.emissivemap&&(a.emissivemap.value=b.emissivemap),b.bumpmap&&(a.bumpmap.value=b.bumpmap,a.bumpscale.value=b.bumpscale),b.normalmap&&(a.normalmap.value=b.normalmap,a.normalscale.value.copy(b.normalscale)),b.displacementmap&&(a.displacementmap.value=b.displacementmap,a.displacementscale.value=b.displacementscale,a.displacementbias.value=b.displacementbias)}function $b(a,b){zb(a,b),b.gradientmap&&(a.gradientmap.value=b.gradientmap)}function _b(a,b){a.roughness.value=b.roughness,a.metalness.value=b.metalness,b.roughnessmap&&(a.roughnessmap.value=b.roughnessmap),b.metalnessmap&&(a.metalnessmap.value=b.metalnessmap),b.emissivemap&&(a.emissivemap.value=b.emissivemap),b.bumpmap&&(a.bumpmap.value=b.bumpmap,a.bumpscale.value=b.bumpscale),b.normalmap&&(a.normalmap.value=b.normalmap,a.normalscale.value.copy(b.normalscale)),b.displacementmap&&(a.displacementmap.value=b.displacementmap,a.displacementscale.value=b.displacementscale,a.displacementbias.value=b.displacementbias),b.envmap&&(a.envmapintensity.value=b.envmapintensity)}function ac(a,b){a.clearcoat.value=b.clearcoat,a.clearcoatroughness.value=b.clearcoatroughness,_b(a,b)}function bc(a,b){b.bumpmap&&(a.bumpmap.value=b.bumpmap,a.bumpscale.value=b.bumpscale),b.normalmap&&(a.normalmap.value=b.normalmap,a.normalscale.value.copy(b.normalscale)),b.displacementmap&&(a.displacementmap.value=b.displacementmap,a.displacementscale.value=b.displacementscale,a.displacementbias.value=b.displacementbias)}function cc(a,b){a.ambientlightcolor.needsupdate=b,a.directionallights.needsupdate=b,a.pointlights.needsupdate=b,a.spotlights.needsupdate=b,a.rectarealights.needsupdate=b,a.hemispherelights.needsupdate=b}function dc(a){for(var b=0,c=0,d=a.length;c<d;c++){var e=a[c];e.castshadow&&($a.shadows[b++]=e)}$a.shadows.length=b}function ec(a,b){var c,d,e,i,j,k,l,f=0,g=0,h=0,m=b.matrixworldinverse,n=0,o=0,p=0,q=0,r=0;for(c=0,d=a.length;c<d;c++)if(e=a[c],i=e.color,j=e.intensity,k=e.distance,l=e.shadow&&e.shadow.map?e.shadow.map.texture:null,e.isambientlight)f+=i.r*j,g+=i.g*j,h+=i.b*j;else if(e.isdirectionallight){var s=mb.get(e);s.color.copy(e.color).multiplyscalar(e.intensity),s.direction.setfrommatrixposition(e.matrixworld),ma.setfrommatrixposition(e.target.matrixworld),s.direction.sub(ma),s.direction.transformdirection(m),s.shadow=e.castshadow,e.castshadow&&(s.shadowbias=e.shadow.bias,s.shadowradius=e.shadow.radius,s.shadowmapsize=e.shadow.mapsize),$a.directionalshadowmap[n]=l,$a.directionalshadowmatrix[n]=e.shadow.matrix,$a.directional[n++]=s}else if(e.isspotlight){var s=mb.get(e);s.position.setfrommatrixposition(e.matrixworld),s.position.applymatrix4(m),s.color.copy(i).multiplyscalar(j),s.distance=k,s.direction.setfrommatrixposition(e.matrixworld),ma.setfrommatrixposition(e.target.matrixworld),s.direction.sub(ma),s.direction.transformdirection(m),s.conecos=math.cos(e.angle),s.penumbracos=math.cos(e.angle*(1-e.penumbra)),s.decay=0===e.distance?0:e.decay,s.shadow=e.castshadow,e.castshadow&&(s.shadowbias=e.shadow.bias,s.shadowradius=e.shadow.radius,s.shadowmapsize=e.shadow.mapsize),$a.spotshadowmap[p]=l,$a.spotshadowmatrix[p]=e.shadow.matrix,$a.spot[p++]=s}else if(e.isrectarealight){var s=mb.get(e);s.color.copy(i).multiplyscalar(j/(e.width*e.height)),s.position.setfrommatrixposition(e.matrixworld),s.position.applymatrix4(m),za.identity(),na.copy(e.matrixworld),na.premultiply(m),za.extractrotation(na),s.halfwidth.set(.5*e.width,0,0),s.halfheight.set(0,.5*e.height,0),s.halfwidth.applymatrix4(za),s.halfheight.applymatrix4(za),$a.rectarea[q++]=s}else if(e.ispointlight){var s=mb.get(e);s.position.setfrommatrixposition(e.matrixworld),s.position.applymatrix4(m),s.color.copy(e.color).multiplyscalar(e.intensity),s.distance=e.distance,s.decay=0===e.distance?0:e.decay,s.shadow=e.castshadow,e.castshadow&&(s.shadowbias=e.shadow.bias,s.shadowradius=e.shadow.radius,s.shadowmapsize=e.shadow.mapsize),$a.pointshadowmap[o]=l,void 0===$a.pointshadowmatrix[o]&&($a.pointshadowmatrix[o]=new cb),ma.setfrommatrixposition(e.matrixworld).negate(),$a.pointshadowmatrix[o].identity().setposition(ma),$a.point[o++]=s}else if(e.ishemispherelight){var s=mb.get(e);s.direction.setfrommatrixposition(e.matrixworld),s.direction.transformdirection(m),s.direction.normalize(),s.skycolor.copy(e.color).multiplyscalar(j),s.groundcolor.copy(e.groundcolor).multiplyscalar(j),$a.hemi[r++]=s}$a.ambient[0]=f,$a.ambient[1]=g,$a.ambient[2]=h,$a.directional.length=n,$a.spot.length=p,$a.rectarea.length=q,$a.point.length=o,$a.hemi.length=r,$a.hash=n+","+o+","+p+","+q+","+r+","+$a.shadows.length}function fc(){var a=y;return a>=db.maxtextures&&console.warn("webglrenderer: trying to use "+a+" texture units while this gpu supports only "+db.maxtextures),y+=1,a}function gc(a){var b;if(a===na)return ab.repeat;if(a===oa)return ab.clamp_to_edge;if(a===pa)return ab.mirrored_repeat;if(a===qa)return ab.nearest;if(a===ra)return ab.nearest_mipmap_nearest;if(a===sa)return ab.nearest_mipmap_linear;if(a===ta)return ab.linear;if(a===ua)return ab.linear_mipmap_nearest;if(a===va)return ab.linear_mipmap_linear;if(a===wa)return ab.unsigned_byte;if(a===ea)return ab.unsigned_short_4_4_4_4;if(a===fa)return ab.unsigned_short_5_5_5_1;if(a===ga)return ab.unsigned_short_5_6_5;if(a===xa)return ab.byte;if(a===ya)return ab.short;if(a===za)return ab.unsigned_short;if(a===aa)return ab.int;if(a===ba)return ab.unsigned_int;if(a===ca)return ab.float;if(a===da&&(b=cb.get("oes_texture_half_float"),null!==b))return b.half_float_oes;if(a===ia)return ab.alpha;if(a===ja)return ab.rgb;if(a===ka)return ab.rgba;if(a===la)return ab.luminance;if(a===ma)return ab.luminance_alpha;if(a===oa)return ab.depth_component;if(a===pa)return ab.depth_stencil;if(a===b)return ab.func_add;if(a===c)return ab.func_subtract;if(a===d)return ab.func_reverse_subtract;if(a===g)return ab.zero;if(a===h)return ab.one;if(a===i)return ab.src_color;if(a===j)return ab.one_minus_src_color;if(a===k)return ab.src_alpha;if(a===l)return ab.one_minus_src_alpha;if(a===m)return ab.dst_alpha;if(a===n)return ab.one_minus_dst_alpha;if(a===o)return ab.dst_color;if(a===p)return 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xb(0,0,_,aa),ga=new he,ha=new pf,ia=!1,ja=!1,ka=new ee,la=new cb,ma=new bb,na=new cb,za=new cb,$a={hash:"",ambient:[0,0,0],directional:[],directionalshadowmap:[],directionalshadowmatrix:[],spot:[],spotshadowmap:[],spotshadowmatrix:[],rectarea:[],point:[],pointshadowmap:[],pointshadowmatrix:[],hemi:[],shadows:[]},_a={calls:0,vertices:0,faces:0,points:0};this.info={render:_a,memory:{geometries:0,textures:0},programs:null};var ab;try{var bb={alpha:e,depth:f,stencil:g,antialias:h,premultipliedalpha:j,preservedrawingbuffer:k};if(ab=d||b.getcontext("webgl",bb)||b.getcontext("experimental-webgl",bb),null===ab)throw null!==b.getcontext("webgl")?"error creating webgl context with your selected attributes.":"error creating webgl context.";void 0===ab.getshaderprecisionformat&&(ab.getshaderprecisionformat=function(){return{rangemin:1,rangemax:1,precision:1}}),b.addeventlistener("webglcontextlost",ab,!1)}catch(a){console.error("three.webglrenderer: "+a)}var cb=new of(ab);cb.get("webgl_depth_texture"),cb.get("oes_texture_float"),cb.get("oes_texture_float_linear"),cb.get("oes_texture_half_float"),cb.get("oes_texture_half_float_linear"),cb.get("oes_standard_derivatives"),cb.get("angle_instanced_arrays"),cb.get("oes_element_index_uint")&&(ff.maxindex=4294967296);var db=new nf(ab,cb,a),eb=new mf(ab,cb,gc),fb=new lf,jb=new kf(ab,cb,eb,fb,db,gc,this.info),kb=new jf(ab,fb,this.info),lb=new hf(this,db),mb=new rf;this.info.programs=lb.programs;var pb,qb,rb,sb,nb=new qf(ab,cb,_a),ob=new pf(ab,cb,_a);ub(),this.context=ab,this.capabilities=db,this.extensions=cb,this.properties=fb,this.state=eb;var wb=new ie(this,$a,kb,db);this.shadowmap=wb;var yb=new ye(this,w),zb=new xe(this,x);this.getcontext=function(){return ab},this.getcontextattributes=function(){return ab.getcontextattributes()},this.forcecontextloss=function(){cb.get("webgl_lose_context").losecontext()},this.getmaxanisotropy=function(){return db.getmaxanisotropy()},this.getprecision=function(){return 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e=b.getattributes();if(a.haspositions&&(ab.bindbuffer(ab.array_buffer,d.position),ab.bufferdata(ab.array_buffer,a.positionarray,ab.dynamic_draw),eb.enableattribute(e.position),ab.vertexattribpointer(e.position,3,ab.float,!1,0,0)),a.hasnormals){if(ab.bindbuffer(ab.array_buffer,d.normal),!c.ismeshphongmaterial&&!c.ismeshstandardmaterial&&!c.ismeshnormalmaterial&&c.shading===q)for(var f=0,g=3*a.count;f<g;f+=9){var h=a.normalarray,i=(h[f+0]+h[f+3]+h[f+6])/3,j=(h[f+1]+h[f+4]+h[f+7])/3,k=(h[f+2]+h[f+5]+h[f+8])/3;h[f+0]=i,h[f+1]=j,h[f+2]=k,h[f+3]=i,h[f+4]=j,h[f+5]=k,h[f+6]=i,h[f+7]=j,h[f+8]=k}ab.bufferdata(ab.array_buffer,a.normalarray,ab.dynamic_draw),eb.enableattribute(e.normal),ab.vertexattribpointer(e.normal,3,ab.float,!1,0,0)}a.hasuvs&&c.map&&(ab.bindbuffer(ab.array_buffer,d.uv),ab.bufferdata(ab.array_buffer,a.uvarray,ab.dynamic_draw),eb.enableattribute(e.uv),ab.vertexattribpointer(e.uv,2,ab.float,!1,0,0)),a.hascolors&&c.vertexcolors!==s&&(ab.bindbuffer(ab.array_buffer,d.color),ab.bufferdata(ab.array_buffer,a.colorarray,ab.dynamic_draw),eb.enableattribute(e.color),ab.vertexattribpointer(e.color,3,ab.float,!1,0,0)),eb.disableunusedattributes(),ab.drawarrays(ab.triangles,0,a.count),a.count=0},this.renderbufferdirect=function(a,b,c,d,e,f){rb(d);var g=sb(a,b,d,e),h=!1,i=c.id+"_"+g.id+"_"+d.wireframe;i!==t&&(t=i,h=!0);var j=e.morphtargetinfluences;if(void 0!==j){for(var k=[],l=0,m=j.length;l<m;l++){var n=j[l];k.push([n,l])}k.sort(hb),k.length>8&&(k.length=8);for(var o=c.morphattributes,l=0,m=k.length;l<m;l++){var n=k[l];if(u[l]=n[0],0!==n[0]){var p=n[1];d.morphtargets===!0&&o.position&&c.addattribute("morphtarget"+l,o.position[p]),d.morphnormals===!0&&o.normal&&c.addattribute("morphnormal"+l,o.normal[p])}else d.morphtargets===!0&&c.removeattribute("morphtarget"+l),d.morphnormals===!0&&c.removeattribute("morphnormal"+l)}for(var l=k.length,q=u.length;l<q;l++)u[l]=0;g.getuniforms().setvalue(ab,"morphtargetinfluences",u),h=!0}var p=c.index,r=c.attributes.position,s=1;d.wireframe===!0&&(p=kb.getwireframeattribute(c),s=2);var t;null!==p?(t=ob,t.setindex(p)):t=nb,h&&(gb(d,g,c),null!==p&&ab.bindbuffer(ab.element_array_buffer,kb.getattributebuffer(p)));var v=0;null!==p?v=p.count:void 0!==r&&(v=r.count);var w=c.drawrange.start*s,x=c.drawrange.count*s,y=null!==f?f.start*s:0,z=null!==f?f.count*s:1/0,a=math.max(w,y),b=math.min(v,w+x,y+z)-1,c=math.max(0,b-a+1);if(0!==c){if(e.ismesh)if(d.wireframe===!0)eb.setlinewidth(d.wireframelinewidth*tb()),t.setmode(ab.lines);else switch(e.drawmode){case gb:t.setmode(ab.triangles);break;case hb:t.setmode(ab.triangle_strip);break;case ib:t.setmode(ab.triangle_fan)}else if(e.isline){var d=d.linewidth;void 0===d&&(d=1),eb.setlinewidth(d*tb()),e.islinesegments?t.setmode(ab.lines):t.setmode(ab.line_strip)}else e.ispoints&&t.setmode(ab.points);c&&c.isinstancedbuffergeometry?c.maxinstancedcount>0&&t.renderinstances(c,a,c):t.render(a,c)}},this.render=function(a,b,c,d){if(void 0!==b&&b.iscamera!==!0)return void console.error("three.webglrenderer.render: camera is not an instance of three.camera.");t="",s=-1,u=null,a.autoupdate===!0&&a.updatematrixworld(),null===b.parent&&b.updatematrixworld(),b.matrixworldinverse.getinverse(b.matrixworld),la.multiplymatrices(b.projectionmatrix,b.matrixworldinverse),ga.setfrommatrix(la),l.length=0,n=-1,t=-1,w.length=0,x.length=0,ja=this.localclippingenabled,ia=ha.init(this.clippingplanes,ja,b),ob(a,b),m.length=n+1,r.length=t+1,y.sortobjects===!0&&(m.sort(ib),r.sort(jb)),ia&&ha.beginshadows(),dc(l),wb.render(a,b),ec(l,b),ia&&ha.endshadows(),_a.calls=0,_a.vertices=0,_a.faces=0,_a.points=0,void 0===c&&(c=null),this.setrendertarget(c);var e=a.background;if(null===e?eb.buffers.color.setclear(z.r,z.g,z.b,$,j):e&&e.iscolor&&(eb.buffers.color.setclear(e.r,e.g,e.b,1,j),d=!0),(this.autoclear||d)&&this.clear(this.autoclearcolor,this.autocleardepth,this.autoclearstencil),
        e&&e.iscubetexture?(void 0===rb&&(rb=new nf,sb=new gf(new jf(5,5,5),new be({uniforms:ve.cube.uniforms,vertexshader:ve.cube.vertexshader,fragmentshader:ve.cube.fragmentshader,side:o,depthtest:!1,depthwrite:!1,fog:!1}))),rb.projectionmatrix.copy(b.projectionmatrix),rb.matrixworld.extractrotation(b.matrixworld),rb.matrixworldinverse.getinverse(rb.matrixworld),sb.material.uniforms.tcube.value=e,sb.modelviewmatrix.multiplymatrices(rb.matrixworldinverse,sb.matrixworld),kb.update(sb),y.renderbufferdirect(rb,null,sb.geometry,sb.material,sb,null)):e&&e.istexture&&(void 0===pb&&(pb=new of(-1,1,1,-1,0,1),qb=new gf(new lf(2,2),new re({depthtest:!1,depthwrite:!1,fog:!1}))),qb.material.map=e,kb.update(qb),y.renderbufferdirect(pb,null,qb.geometry,qb.material,qb,null)),a.overridematerial){var f=a.overridematerial;pb(m,a,b,f),pb(r,a,b,f)}else eb.setblending(v),pb(m,a,b),pb(r,a,b);yb.render(a,b),zb.render(a,b,x),c&&jb.updaterendertargetmipmap(c),eb.setdepthtest(!0),eb.setdepthwrite(!0),eb.setcolorwrite(!0)},this.setfaceculling=function(a,b){eb.setcullface(a),eb.setflipsided(b===i)},this.alloctextureunit=fc,this.settexture2d=function(){var a=!1;return function(c,d){c&&c.iswebglrendertarget&&(a||(console.warn("three.webglrenderer.settexture2d: don't use render targets as textures. use their .texture property instead."),a=!0),c=c.texture),jb.settexture2d(c,d)}}(),this.settexture=function(){var a=!1;return function(c,d){a||(console.warn("three.webglrenderer: .settexture is deprecated, use settexture2d instead."),a=!0),jb.settexture2d(c,d)}}(),this.settexturecube=function(){var a=!1;return function(c,d){c&&c.iswebglrendertargetcube&&(a||(console.warn("three.webglrenderer.settexturecube: don't use cube render targets as textures. use their .texture property 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rendertarget is not three.webglrendertarget.");var g=fb.get(a).__webglframebuffer;if(g){var h=!1;g!==r&&(ab.bindframebuffer(ab.framebuffer,g),h=!0);try{var i=a.texture,j=i.format,k=i.type;if(j!==ka&&gc(j)!==ab.getparameter(ab.implementation_color_read_format))return void console.error("three.webglrenderer.readrendertargetpixels: rendertarget is not in rgba or implementation defined format.");if(!(k===wa||gc(k)===ab.getparameter(ab.implementation_color_read_type)||k===ca&&(cb.get("oes_texture_float")||cb.get("webgl_color_buffer_float"))||k===da&&cb.get("ext_color_buffer_half_float")))return void console.error("three.webglrenderer.readrendertargetpixels: rendertarget is not in unsignedbytetype or implementation defined type.");ab.checkframebufferstatus(ab.framebuffer)===ab.framebuffer_complete?b>=0&&b<=a.width-d&&c>=0&&c<=a.height-e&&ab.readpixels(b,c,d,e,gc(j),gc(k),f):console.error("three.webglrenderer.readrendertargetpixels: readpixels from rendertarget failed. framebuffer not complete.")}finally{h&&ab.bindframebuffer(ab.framebuffer,r)}}}}function rf(a,b){this.name="",this.color=new re(a),this.density=void 0!==b?b:25e-5}function sf(a,b,c){this.name="",this.color=new re(a),this.near=void 0!==b?b:1,this.far=void 0!==c?c:1e3}function tf(){ne.call(this),this.type="scene",this.background=null,this.fog=null,this.overridematerial=null,this.autoupdate=!0}function uf(a,b,c,d,e){ne.call(this),this.lensflares=[],this.positionscreen=new bb,this.customupdatecallback=void 0,void 0!==a&&this.add(a,b,c,d,e)}function vf(a){ae.call(this),this.type="spritematerial",this.color=new re(16777215),this.map=null,this.rotation=0,this.fog=!1,this.lights=!1,this.setvalues(a)}function wf(a){ne.call(this),this.type="sprite",this.material=void 0!==a?a:new vf}function xf(){ne.call(this),this.type="lod",object.defineproperties(this,{levels:{enumerable:!0,value:[]}})}function yf(a,b,c){if(this.usevertextexture=void 0===c||c,this.identitymatrix=new cb,a=a||[],this.bones=a.slice(0),this.usevertextexture){var d=math.sqrt(4*this.bones.length);d=tb.nextpoweroftwo(math.ceil(d)),d=math.max(d,4),this.bonetexturewidth=d,this.bonetextureheight=d,this.bonematrices=new float32array(this.bonetexturewidth*this.bonetextureheight*4),this.bonetexture=new te(this.bonematrices,this.bonetexturewidth,this.bonetextureheight,ka,ca)}else this.bonematrices=new float32array(16*this.bones.length);if(void 0===b)this.calculateinverses();else if(this.bones.length===b.length)this.boneinverses=b.slice(0);else{console.warn("three.skeleton boninverses is the wrong length."),this.boneinverses=[];for(var e=0,f=this.bones.length;e<f;e++)this.boneinverses.push(new cb)}}function zf(){ne.call(this),this.type="bone"}function $f(a,b,c){gf.call(this,a,b),this.type="skinnedmesh",this.bindmode="attached",this.bindmatrix=new cb,this.bindmatrixinverse=new cb;var d=[];if(this.geometry&&void 0!==this.geometry.bones){for(var e,f,g=0,h=this.geometry.bones.length;g<h;++g)f=this.geometry.bones[g],e=new zf,d.push(e),e.name=f.name,e.position.fromarray(f.pos),e.quaternion.fromarray(f.rotq),void 0!==f.scl&&e.scale.fromarray(f.scl);for(var g=0,h=this.geometry.bones.length;g<h;++g)f=this.geometry.bones[g],f.parent!==-1&&null!==f.parent&&void 0!==d[f.parent]?d[f.parent].add(d[g]):this.add(d[g])}this.normalizeskinweights(),this.updatematrixworld(!0),this.bind(new yf(d,void 0,c),this.matrixworld)}function _f(a){ae.call(this),this.type="linebasicmaterial",this.color=new re(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.lights=!1,this.setvalues(a)}function ag(a,b,c){return 1===c?(console.warn("three.line: parameter three.linepieces no longer supported. created three.linesegments instead."),new bg(a,b)):(ne.call(this),this.type="line",this.geometry=void 0!==a?a:new ff,void(this.material=void 0!==b?b:new _f({color:16777215*math.random()})))}function bg(a,b){ag.call(this,a,b),this.type="linesegments"}function cg(a){ae.call(this),this.type="pointsmaterial",this.color=new re(16777215),this.map=null,this.size=1,this.sizeattenuation=!0,this.lights=!1,this.setvalues(a)}function dg(a,b){ne.call(this),this.type="points",this.geometry=void 0!==a?a:new ff,this.material=void 0!==b?b:new cg({color:16777215*math.random()})}function eg(){ne.call(this),this.type="group"}function fg(a,b,c,d,e,f,g,h,i){function k(){requestanimationframe(k),a.readystate>=a.have_current_data&&(j.needsupdate=!0)}wb.call(this,a,b,c,d,e,f,g,h,i),this.generatemipmaps=!1;var j=this;k()}function gg(a,b,c,d,e,f,g,h,i,j,k,l){wb.call(this,null,f,g,h,i,j,d,e,k,l),this.image={width:b,height:c},this.mipmaps=a,this.flipy=!1,this.generatemipmaps=!1}function hg(a,b,c,d,e,f,g,h,i){wb.call(this,a,b,c,d,e,f,g,h,i),this.needsupdate=!0}function ig(a,b,c,d,e,f,g,h,i,j){if(j=void 0!==j?j:oa,j!==oa&&j!==pa)throw new error("depthtexture format must be either three.depthformat or three.depthstencilformat");void 0===c&&j===oa&&(c=za),void 0===c&&j===pa&&(c=ha),wb.call(this,null,d,e,f,g,h,j,c,i),this.image={width:a,height:b},this.magfilter=void 0!==g?g:qa,this.minfilter=void 0!==h?h:qa,this.flipy=!1,this.generatemipmaps=!1}function jg(a){function x(a,b){return a-b}ff.call(this),this.type="wireframegeometry";var c,d,e,f,g,j,k,m,b=[],h=[0,0],i={},l=["a","b","c"];if(a&&a.isgeometry){var n=a.faces;for(c=0,e=n.length;c<e;c++){var o=n[c];for(d=0;d<3;d++)h[0]=o[l[d]],h[1]=o[l[(d+1)%3]],h.sort(x),k=h.tostring(),void 0===i[k]&&(i[k]={index1:h[0],index2:h[1]})}for(k in i)j=i[k],m=a.vertices[j.index1],b.push(m.x,m.y,m.z),m=a.vertices[j.index2],b.push(m.x,m.y,m.z)}else if(a&&a.isbuffergeometry){var p,q,r,s,t,u,v,w;if(m=new bb,null!==a.index){for(p=a.attributes.position,q=a.index,r=a.groups,0===r.length&&a.addgroup(0,q.count),f=0,g=r.length;f<g;++f)for(s=r[f],t=s.start,u=s.count,c=t,e=t+u;c<e;c+=3)for(d=0;d<3;d++)h[0]=q.getx(c+d),h[1]=q.getx(c+(d+1)%3),h.sort(x),k=h.tostring(),void 0===i[k]&&(i[k]={index1:h[0],index2:h[1]});for(k in i)j=i[k],m.frombufferattribute(p,j.index1),b.push(m.x,m.y,m.z),m.frombufferattribute(p,j.index2),b.push(m.x,m.y,m.z)}else for(p=a.attributes.position,c=0,e=p.count/3;c<e;c++)for(d=0;d<3;d++)v=3*c+d,m.frombufferattribute(p,v),b.push(m.x,m.y,m.z),w=3*c+(d+1)%3,m.frombufferattribute(p,w),b.push(m.x,m.y,m.z)}this.addattribute("position",new $e(b,3))}function kg(a,b,c){ef.call(this),this.type="parametricgeometry",this.parameters={func:a,slices:b,stacks:c},this.frombuffergeometry(new lg(a,b,c)),this.mergevertices()}function lg(a,b,c){ff.call(this),this.type="parametricbuffergeometry",this.parameters={func:a,slices:b,stacks:c};var g,h,d=[],e=[],f=[],i=b+1;for(g=0;g<=c;g++){var j=g/c;for(h=0;h<=b;h++){var k=h/b,l=a(k,j);e.push(l.x,l.y,l.z),f.push(k,j)}}for(g=0;g<c;g++)for(h=0;h<b;h++){var m=g*i+h,n=g*i+h+1,o=(g+1)*i+h+1,p=(g+1)*i+h;d.push(m,n,p),d.push(n,o,p)}this.setindex(d),this.addattribute("position",new $e(e,3)),this.addattribute("uv",new $e(f,2)),this.computevertexnormals()}function mg(a,b,c,d){ef.call(this),this.type="polyhedrongeometry",this.parameters={vertices:a,indices:b,radius:c,detail:d},this.frombuffergeometry(new ng(a,b,c,d)),this.mergevertices()}function ng(a,b,c,d){function g(a){for(var c=new bb,d=new bb,e=new bb,f=0;f<b.length;f+=3)m(b[f+0],c),m(b[f+1],d),m(b[f+2],e),h(c,d,e,a)}function h(a,b,c,d){var g,h,e=math.pow(2,d),f=[];for(g=0;g<=e;g++){f[g]=[];var i=a.clone().lerp(c,g/e),j=b.clone().lerp(c,g/e),k=e-g;for(h=0;h<=k;h++)0===h&&g===e?f[g][h]=i:f[g][h]=i.clone().lerp(j,h/k)}for(g=0;g<e;g++)for(h=0;h<2*(e-g)-1;h++){var m=math.floor(h/2);h%2===0?(l(f[g][m+1]),l(f[g+1][m]),l(f[g][m])):(l(f[g][m+1]),l(f[g+1][m+1]),l(f[g+1][m]))}}function i(a){for(var b=new bb,c=0;c<e.length;c+=3)b.x=e[c+0],b.y=e[c+1],b.z=e[c+2],b.normalize().multiplyscalar(a),e[c+0]=b.x,e[c+1]=b.y,e[c+2]=b.z}function j(){for(var a=new bb,b=0;b<e.length;b+=3){a.x=e[b+0],a.y=e[b+1],a.z=e[b+2];var c=p(a)/2/math.pi+.5,d=q(a)/math.pi+.5;f.push(c,1-d)}n(),k()}function k(){for(var a=0;a<f.length;a+=6){var b=f[a+0],c=f[a+2],d=f[a+4],e=math.max(b,c,d),g=math.min(b,c,d);e>.9&&g<.1&&(b<.2&&(f[a+0]+=1),c<.2&&(f[a+2]+=1),d<.2&&(f[a+4]+=1))}}function l(a){e.push(a.x,a.y,a.z)}function m(b,c){var d=3*b;c.x=a[d+0],c.y=a[d+1],c.z=a[d+2]}function n(){for(var a=new bb,b=new bb,c=new bb,d=new bb,g=new ub,h=new ub,i=new ub,j=0,k=0;j<e.length;j+=9,k+=6){a.set(e[j+0],e[j+1],e[j+2]),b.set(e[j+3],e[j+4],e[j+5]),c.set(e[j+6],e[j+7],e[j+8]),g.set(f[k+0],f[k+1]),h.set(f[k+2],f[k+3]),i.set(f[k+4],f[k+5]),d.copy(a).add(b).add(c).dividescalar(3);var l=p(d);o(g,k+0,a,l),o(h,k+2,b,l),o(i,k+4,c,l)}}function o(a,b,c,d){d<0&&1===a.x&&(f[b]=a.x-1),0===c.x&&0===c.z&&(f[b]=d/2/math.pi+.5)}function p(a){return math.atan2(a.z,-a.x)}function q(a){return math.atan2(-a.y,math.sqrt(a.x*a.x+a.z*a.z))}ff.call(this),this.type="polyhedronbuffergeometry",this.parameters={vertices:a,indices:b,radius:c,detail:d},c=c||1,d=d||0;var e=[],f=[];g(d),i(c),j(),this.addattribute("position",new $e(e,3)),this.addattribute("normal",new $e(e.slice(),3)),this.addattribute("uv",new $e(f,2)),this.normalizenormals()}function og(a,b){ef.call(this),this.type="tetrahedrongeometry",this.parameters={radius:a,detail:b},this.frombuffergeometry(new pg(a,b)),this.mergevertices()}function pg(a,b){var c=[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],d=[2,1,0,0,3,2,1,3,0,2,3,1];ng.call(this,c,d,a,b),this.type="tetrahedronbuffergeometry",this.parameters={radius:a,detail:b}}function qg(a,b){ef.call(this),this.type="octahedrongeometry",this.parameters={radius:a,detail:b},this.frombuffergeometry(new rg(a,b)),this.mergevertices()}function rg(a,b){var c=[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],d=[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2];ng.call(this,c,d,a,b),this.type="octahedronbuffergeometry",this.parameters={radius:a,detail:b}}function sg(a,b){ef.call(this),this.type="icosahedrongeometry",this.parameters={radius:a,detail:b},this.frombuffergeometry(new tg(a,b)),this.mergevertices()}function tg(a,b){var c=(1+math.sqrt(5))/2,d=[-1,c,0,1,c,0,-1,-c,0,1,-c,0,0,-1,c,0,1,c,0,-1,-c,0,1,-c,c,0,-1,c,0,1,-c,0,-1,-c,0,1],e=[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1];ng.call(this,d,e,a,b),this.type="icosahedronbuffergeometry",this.parameters={radius:a,detail:b}}function ug(a,b){ef.call(this),this.type="dodecahedrongeometry",this.parameters={radius:a,detail:b},this.frombuffergeometry(new vg(a,b)),this.mergevertices()}function vg(a,b){var c=(1+math.sqrt(5))/2,d=1/c,e=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-d,-c,0,-d,c,0,d,-c,0,d,c,-d,-c,0,-d,c,0,d,-c,0,d,c,0,-c,0,-d,c,0,-d,-c,0,d,c,0,d],f=[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9];ng.call(this,e,f,a,b),this.type="dodecahedronbuffergeometry",this.parameters={radius:a,detail:b}}function wg(a,b,c,d,e,f){ef.call(this),this.type="tubegeometry",this.parameters={path:a,tubularsegments:b,radius:c,radialsegments:d,closed:e},void 0!==f&&console.warn("three.tubegeometry: taper has been removed.");var g=new xg(a,b,c,d,e);this.tangents=g.tangents,this.normals=g.normals,this.binormals=g.binormals,this.frombuffergeometry(g),this.mergevertices()}function xg(a,b,c,d,e){function p(){for(j=0;j<b;j++)q(j);q(e===!1?b:0),s(),r()}function q(e){var i=a.getpointat(e/b),j=f.normals[e],n=f.binormals[e];for(k=0;k<=d;k++){var o=k/d*math.pi*2,p=math.sin(o),q=-math.cos(o);h.x=q*j.x+p*n.x,h.y=q*j.y+p*n.y,h.z=q*j.z+p*n.z,h.normalize(),m.push(h.x,h.y,h.z),g.x=i.x+c*h.x,g.y=i.y+c*h.y,g.z=i.z+c*h.z,l.push(g.x,g.y,g.z)}}function r(){for(k=1;k<=b;k++)for(j=1;j<=d;j++){var a=(d+1)*(k-1)+(j-1),c=(d+1)*k+(j-1),e=(d+1)*k+j,f=(d+1)*(k-1)+j;o.push(a,c,f),o.push(c,e,f)}}function s(){for(j=0;j<=b;j++)for(k=0;k<=d;k++)i.x=j/b,i.y=k/d,n.push(i.x,i.y)}ff.call(this),this.type="tubebuffergeometry",this.parameters={path:a,tubularsegments:b,radius:c,radialsegments:d,closed:e},b=b||64,c=c||1,d=d||8,e=e||!1;var f=a.computefrenetframes(b,e);this.tangents=f.tangents,this.normals=f.normals,this.binormals=f.binormals;var j,k,g=new bb,h=new bb,i=new ub,l=[],m=[],n=[],o=[];p(),this.setindex(o),this.addattribute("position",new $e(l,3)),this.addattribute("normal",new $e(m,3)),this.addattribute("uv",new $e(n,2))}function yg(a,b,c,d,e,f,g){ef.call(this),this.type="torusknotgeometry",this.parameters={radius:a,tube:b,tubularsegments:c,radialsegments:d,p:e,q:f},void 0!==g&&console.warn("three.torusknotgeometry: heightscale has been deprecated. use .scale( x, y, z ) instead."),this.frombuffergeometry(new zg(a,b,c,d,e,f)),this.mergevertices()}function zg(a,b,c,d,e,f){function c(a,b,c,d,e){var f=math.cos(a),g=math.sin(a),h=c/b*a,i=math.cos(h);e.x=d*(2+i)*.5*f,e.y=d*(2+i)*g*.5,e.z=d*math.sin(h)*.5}ff.call(this),this.type="torusknotbuffergeometry",this.parameters={radius:a,tube:b,tubularsegments:c,radialsegments:d,p:e,q:f},a=a||100,b=b||40,c=math.floor(c)||64,d=math.floor(d)||8,e=e||2,f=f||3;var k,l,g=[],h=[],i=[],j=[],m=new bb,n=new bb,p=(new ub,new bb),q=new bb,r=new bb,s=new bb,t=new bb;for(k=0;k<=c;++k){var u=k/c*e*math.pi*2;for(c(u,e,f,a,p),c(u+.01,e,f,a,q),s.subvectors(q,p),t.addvectors(q,p),r.crossvectors(s,t),t.crossvectors(r,s),r.normalize(),t.normalize(),l=0;l<=d;++l){var v=l/d*math.pi*2,w=-b*math.cos(v),x=b*math.sin(v);m.x=p.x+(w*t.x+x*r.x),m.y=p.y+(w*t.y+x*r.y),m.z=p.z+(w*t.z+x*r.z),h.push(m.x,m.y,m.z),n.subvectors(m,p).normalize(),i.push(n.x,n.y,n.z),j.push(k/c),j.push(l/d)}}for(l=1;l<=c;l++)for(k=1;k<=d;k++){var y=(d+1)*(l-1)+(k-1),z=(d+1)*l+(k-1),a=(d+1)*l+k,b=(d+1)*(l-1)+k;g.push(y,z,b),g.push(z,a,b)}this.setindex(g),this.addattribute("position",new $e(h,3)),this.addattribute("normal",new $e(i,3)),this.addattribute("uv",new $e(j,2))}function ag(a,b,c,d,e){ef.call(this),this.type="torusgeometry",this.parameters={radius:a,tube:b,radialsegments:c,tubularsegments:d,arc:e},this.frombuffergeometry(new bg(a,b,c,d,e))}function bg(a,b,c,d,e){ff.call(this),this.type="torusbuffergeometry",this.parameters={radius:a,tube:b,radialsegments:c,tubularsegments:d,arc:e},a=a||100,b=b||40,c=math.floor(c)||8,d=math.floor(d)||6,e=e||2*math.pi;var m,n,f=[],g=[],h=[],i=[],j=new bb,k=new bb,l=new bb;for(m=0;m<=c;m++)for(n=0;n<=d;n++){var o=n/d*e,p=m/c*math.pi*2;k.x=(a+b*math.cos(p))*math.cos(o),k.y=(a+b*math.cos(p))*math.sin(o),k.z=b*math.sin(p),g.push(k.x,k.y,k.z),j.x=a*math.cos(o),j.y=a*math.sin(o),l.subvectors(k,j).normalize(),h.push(l.x,l.y,l.z),i.push(n/d),i.push(m/c)}for(m=1;m<=c;m++)for(n=1;n<=d;n++){var q=(d+1)*m+n-1,r=(d+1)*(m-1)+n-1,s=(d+1)*(m-1)+n,t=(d+1)*m+n;f.push(q,r,t),f.push(r,s,t)}this.setindex(f),this.addattribute("position",new $e(g,3)),this.addattribute("normal",new $e(h,3)),this.addattribute("uv",new $e(i,2))}function dg(a,b){return"undefined"==typeof a?void(a=[]):(ef.call(this),this.type="extrudegeometry",a=array.isarray(a)?a:[a],this.addshapelist(a,b),void this.computefacenormals())}function eg(a,b){b=b||{};var c=b.font;if((c&&c.isfont)===!1)return console.error("three.textgeometry: font parameter is not an instance of three.font."),new ef;var d=c.generateshapes(a,b.size,b.curvesegments);b.amount=void 0!==b.height?b.height:50,void 0===b.bevelthickness&&(b.bevelthickness=10),void 0===b.bevelsize&&(b.bevelsize=8),void 0===b.bevelenabled&&(b.bevelenabled=!1),dg.call(this,d,b),this.type="textgeometry"}function fg(a,b,c,d,e,f,g){ef.call(this),this.type="spheregeometry",this.parameters={radius:a,widthsegments:b,heightsegments:c,phistart:d,philength:e,thetastart:f,thetalength:g},this.frombuffergeometry(new gg(a,b,c,d,e,f,g))}function gg(a,b,c,d,e,f,g){ff.call(this),this.type="spherebuffergeometry",this.parameters={radius:a,widthsegments:b,heightsegments:c,phistart:d,philength:e,thetastart:f,thetalength:g},a=a||50,b=math.max(3,math.floor(b)||8),c=math.max(2,math.floor(c)||6),d=void 0!==d?d:0,e=void 0!==e?e:2*math.pi,f=void 0!==f?f:0,g=void 0!==g?g:math.pi;var i,j,h=f+g,k=0,l=[],m=new bb,n=new bb,o=[],p=[],q=[],r=[];for(j=0;j<=c;j++){var s=[],t=j/c;for(i=0;i<=b;i++){var u=i/b;m.x=-a*math.cos(d+u*e)*math.sin(f+t*g),m.y=a*math.cos(f+t*g),m.z=a*math.sin(d+u*e)*math.sin(f+t*g),p.push(m.x,m.y,m.z),n.set(m.x,m.y,m.z).normalize(),q.push(n.x,n.y,n.z),r.push(u,1-t),s.push(k++)}l.push(s)}for(j=0;j<c;j++)for(i=0;i<b;i++){var v=l[j][i+1],w=l[j][i],x=l[j+1][i],y=l[j+1][i+1];(0!==j||f>0)&&o.push(v,w,y),(j!==c-1||h<math.pi)&&o.push(w,x,y)}this.setindex(o),this.addattribute("position",new $e(p,3)),this.addattribute("normal",new $e(q,3)),this.addattribute("uv",new $e(r,2))}function hg(a,b,c,d,e,f){ef.call(this),this.type="ringgeometry",this.parameters={innerradius:a,outerradius:b,thetasegments:c,phisegments:d,thetastart:e,thetalength:f},this.frombuffergeometry(new ig(a,b,c,d,e,f))}function ig(a,b,c,d,e,f){ff.call(this),this.type="ringbuffergeometry",this.parameters={innerradius:a,outerradius:b,thetasegments:c,phisegments:d,thetastart:e,thetalength:f},a=a||20,b=b||50,e=void 0!==e?e:0,f=void 0!==f?f:2*math.pi,c=void 0!==c?math.max(3,c):8,d=void 0!==d?math.max(1,d):1;var 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has been renamed to three.pointsmaterial."),new cg(a)}function xj(a){return console.warn("three.particlesystemmaterial has been renamed to three.pointsmaterial."),new cg(a)}function yj(a,b,c){return console.warn("three.vertex has been removed. use three.vector3 instead."),new bb(a,b,c)}function zj(a,b){return console.warn("three.dynamicbufferattribute has been removed. use new three.bufferattribute().setdynamic( true ) instead."),new se(a,b).setdynamic(!0)}function aj(a,b){return console.warn("three.int8attribute has been removed. use new three.int8bufferattribute() instead."),new te(a,b)}function bj(a,b){return console.warn("three.uint8attribute has been removed. use new three.uint8bufferattribute() instead."),new ue(a,b)}function cj(a,b){return console.warn("three.uint8clampedattribute has been removed. use new three.uint8clampedbufferattribute() instead."),new ve(a,b)}function dj(a,b){return console.warn("three.int16attribute has been removed. use new three.int16bufferattribute() 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this.subvectors(b,a).multiplyscalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromarray:function(a,b){return void 0===b&&(b=0),this.x=a[b],this.y=a[b+1],this.z=a[b+2],this.w=a[b+3],this},toarray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this.x,a[b+1]=this.y,a[b+2]=this.z,a[b+3]=this.w,a},frombufferattribute:function(a,b,c){return void 0!==c&&console.warn("three.vector4: offset has been removed from .frombufferattribute()."),this.x=a.getx(b),this.y=a.gety(b),this.z=a.getz(b),this.w=a.getw(b),this}},yb.prototype={constructor:yb,iswebglrendertarget:!0,setsize:function(a,b){this.width===a&&this.height===b||(this.width=a,this.height=b,this.dispose()),this.viewport.set(0,0,a,b),this.scissor.set(0,0,a,b)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.width=a.width,this.height=a.height,this.viewport.copy(a.viewport),this.texture=a.texture.clone(),this.depthbuffer=a.depthbuffer,this.stencilbuffer=a.stencilbuffer,this.depthtexture=a.depthtexture,this},dispose:function(){this.dispatchevent({type:"dispose"})}},object.assign(yb.prototype,b.prototype),zb.prototype=object.create(yb.prototype),zb.prototype.constructor=zb,zb.prototype.iswebglrendertargetcube=!0,ab.prototype={constructor:ab,get x(){return this._x},set x(a){this._x=a,this.onchangecallback()},get y(){return this._y},set y(a){this._y=a,this.onchangecallback()},get z(){return this._z},set z(a){this._z=a,this.onchangecallback()},get w(){return this._w},set w(a){this._w=a,this.onchangecallback()},set:function(a,b,c,d){return this._x=a,this._y=b,this._z=c,this._w=d,this.onchangecallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(a){return this._x=a.x,this._y=a.y,this._z=a.z,this._w=a.w,this.onchangecallback(),this},setfromeuler:function(a,b){if((a&&a.iseuler)===!1)throw new error("three.quaternion: .setfromeuler() now expects an euler rotation rather than a vector3 and order.");var c=math.cos(a._x/2),d=math.cos(a._y/2),e=math.cos(a._z/2),f=math.sin(a._x/2),g=math.sin(a._y/2),h=math.sin(a._z/2),i=a.order;return"xyz"===i?(this._x=f*d*e+c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e-f*g*h):"yxz"===i?(this._x=f*d*e+c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e+f*g*h):"zxy"===i?(this._x=f*d*e-c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e-f*g*h):"zyx"===i?(this._x=f*d*e-c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e+f*g*h):"yzx"===i?(this._x=f*d*e+c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e-f*g*h):"xzy"===i&&(this._x=f*d*e-c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e+f*g*h),b!==!1&&this.onchangecallback(),this},setfromaxisangle:function(a,b){var c=b/2,d=math.sin(c);return this._x=a.x*d,this._y=a.y*d,this._z=a.z*d,this._w=math.cos(c),this.onchangecallback(),this},setfromrotationmatrix:function(a){var m,b=a.elements,c=b[0],d=b[4],e=b[8],f=b[1],g=b[5],h=b[9],i=b[2],j=b[6],k=b[10],l=c+g+k;return l>0?(m=.5/math.sqrt(l+1),this._w=.25/m,this._x=(j-h)*m,this._y=(e-i)*m,this._z=(f-d)*m):c>g&&c>k?(m=2*math.sqrt(1+c-g-k),this._w=(j-h)/m,this._x=.25*m,this._y=(d+f)/m,this._z=(e+i)/m):g>k?(m=2*math.sqrt(1+g-c-k),this._w=(e-i)/m,this._x=(d+f)/m,this._y=.25*m,this._z=(h+j)/m):(m=2*math.sqrt(1+k-c-g),this._w=(f-d)/m,this._x=(e+i)/m,this._y=(h+j)/m,this._z=.25*m),this.onchangecallback(),this},setfromunitvectors:function(){var a,b,c=1e-6;return function(e,f){return void 0===a&&(a=new bb),b=e.dot(f)+1,b<c?(b=0,math.abs(e.x)>math.abs(e.z)?a.set(-e.y,e.x,0):a.set(0,-e.z,e.y)):a.crossvectors(e,f),this._x=a.x,this._y=a.y,this._z=a.z,this._w=b,this.normalize()}}(),inverse:function(){return this.conjugate().normalize()},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this.onchangecallback(),this},dot:function(a){return this._x*a._x+this._y*a._y+this._z*a._z+this._w*a._w},lengthsq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var a=this.length();return 0===a?(this._x=0,this._y=0,this._z=0,this._w=1):(a=1/a,this._x=this._x*a,this._y=this._y*a,this._z=this._z*a,this._w=this._w*a),this.onchangecallback(),this},multiply:function(a,b){return void 0!==b?(console.warn("three.quaternion: .multiply() now only accepts one argument. use .multiplyquaternions( a, b ) instead."),this.multiplyquaternions(a,b)):this.multiplyquaternions(this,a)},premultiply:function(a){return this.multiplyquaternions(a,this)},multiplyquaternions:function(a,b){var c=a._x,d=a._y,e=a._z,f=a._w,g=b._x,h=b._y,i=b._z,j=b._w;return this._x=c*j+f*g+d*i-e*h,this._y=d*j+f*h+e*g-c*i,this._z=e*j+f*i+c*h-d*g,this._w=f*j-c*g-d*h-e*i,this.onchangecallback(),this},slerp:function(a,b){if(0===b)return this;if(1===b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;if(g<0?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a),g>=1)return this._w=f,this._x=c,this._y=d,this._z=e,this;var h=math.sqrt(1-g*g);if(math.abs(h)<.001)return this._w=.5*(f+this._w),this._x=.5*(c+this._x),this._y=.5*(d+this._y),this._z=.5*(e+this._z),this;var i=math.atan2(h,g),j=math.sin((1-b)*i)/h,k=math.sin(b*i)/h;return this._w=f*j+this._w*k,this._x=c*j+this._x*k,this._y=d*j+this._y*k,this._z=e*j+this._z*k,this.onchangecallback(),this},equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromarray:function(a,b){return void 0===b&&(b=0),this._x=a[b],this._y=a[b+1],this._z=a[b+2],this._w=a[b+3],this.onchangecallback(),this},toarray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this._x,a[b+1]=this._y,a[b+2]=this._z,a[b+3]=this._w,a},onchange:function(a){return this.onchangecallback=a,this},onchangecallback:function(){}},object.assign(ab,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,d)},slerpflat:function(a,b,c,d,e,f,g){var h=c[d+0],i=c[d+1],j=c[d+2],k=c[d+3],l=e[f+0],m=e[f+1],n=e[f+2],o=e[f+3];if(k!==o||h!==l||i!==m||j!==n){var p=1-g,q=h*l+i*m+j*n+k*o,r=q>=0?1:-1,s=1-q*q;if(s>number.epsilon){var t=math.sqrt(s),u=math.atan2(t,q*r);p=math.sin(p*u)/t,g=math.sin(g*u)/t}var v=g*r;if(h=h*p+l*v,i=i*p+m*v,j=j*p+n*v,k=k*p+o*v,p===1-g){var w=1/math.sqrt(h*h+i*i+j*j+k*k);h*=w,i*=w,j*=w,k*=w}}a[b]=h,a[b+1]=i,a[b+2]=j,a[b+3]=k}}),bb.prototype={constructor:bb,isvector3:!0,set:function(a,b,c){return this.x=a,this.y=b,this.z=c,this},setscalar:function(a){return this.x=a,this.y=a,this.z=a,this},setx:function(a){return this.x=a,this},sety:function(a){return this.y=a,this},setz:function(a){return this.z=a,this},setcomponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw new error("index is out of range: "+a)}return this},getcomponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new error("index is out of range: "+a)}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){return this.x=a.x,this.y=a.y,this.z=a.z,this},add:function(a,b){return void 0!==b?(console.warn("three.vector3: .add() now only accepts one argument. use .addvectors( a, b ) instead."),this.addvectors(a,b)):(this.x+=a.x,this.y+=a.y,this.z+=a.z,this)},addscalar:function(a){return this.x+=a,this.y+=a,this.z+=a,this},addvectors:function(a,b){return this.x=a.x+b.x,this.y=a.y+b.y,this.z=a.z+b.z,this},addscaledvector:function(a,b){return this.x+=a.x*b,this.y+=a.y*b,this.z+=a.z*b,this},sub:function(a,b){return void 0!==b?(console.warn("three.vector3: .sub() now only accepts one argument. use .subvectors( a, b ) instead."),this.subvectors(a,b)):(this.x-=a.x,this.y-=a.y,this.z-=a.z,this)},subscalar:function(a){return this.x-=a,this.y-=a,this.z-=a,this},subvectors:function(a,b){return this.x=a.x-b.x,this.y=a.y-b.y,this.z=a.z-b.z,this},multiply:function(a,b){return void 0!==b?(console.warn("three.vector3: .multiply() now only accepts one argument. use .multiplyvectors( a, b ) instead."),this.multiplyvectors(a,b)):(this.x*=a.x,this.y*=a.y,this.z*=a.z,this)},multiplyscalar:function(a){return isfinite(a)?(this.x*=a,this.y*=a,this.z*=a):(this.x=0,this.y=0,this.z=0),this},multiplyvectors:function(a,b){return this.x=a.x*b.x,this.y=a.y*b.y,this.z=a.z*b.z,this},applyeuler:function(){var a;return function(c){return(c&&c.iseuler)===!1&&console.error("three.vector3: .applyeuler() now expects an euler rotation rather than a vector3 and order."),void 0===a&&(a=new ab),this.applyquaternion(a.setfromeuler(c))}}(),applyaxisangle:function(){var a;return function(c,d){return void 0===a&&(a=new ab),this.applyquaternion(a.setfromaxisangle(c,d))}}(),applymatrix3:function(a){var b=this.x,c=this.y,d=this.z,e=a.elements;return this.x=e[0]*b+e[3]*c+e[6]*d,this.y=e[1]*b+e[4]*c+e[7]*d,this.z=e[2]*b+e[5]*c+e[8]*d,this},applymatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=a.elements;this.x=e[0]*b+e[4]*c+e[8]*d+e[12],this.y=e[1]*b+e[5]*c+e[9]*d+e[13],this.z=e[2]*b+e[6]*c+e[10]*d+e[14];var f=e[3]*b+e[7]*c+e[11]*d+e[15];return this.dividescalar(f)},applyquaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,f=a.y,g=a.z,h=a.w,i=h*b+f*d-g*c,j=h*c+g*b-e*d,k=h*d+e*c-f*b,l=-e*b-f*c-g*d;return this.x=i*h+l*-e+j*-g-k*-f,this.y=j*h+l*-f+k*-e-i*-g,this.z=k*h+l*-g+i*-f-j*-e,this},project:function(){var a;return function(c){return void 0===a&&(a=new cb),a.multiplymatrices(c.projectionmatrix,a.getinverse(c.matrixworld)),this.applymatrix4(a)}}(),unproject:function(){var a;return function(c){return void 0===a&&(a=new cb),a.multiplymatrices(c.matrixworld,a.getinverse(c.projectionmatrix)),this.applymatrix4(a)}}(),transformdirection:function(a){var b=this.x,c=this.y,d=this.z,e=a.elements;return this.x=e[0]*b+e[4]*c+e[8]*d,this.y=e[1]*b+e[5]*c+e[9]*d,this.z=e[2]*b+e[6]*c+e[10]*d,this.normalize()},divide:function(a){return this.x/=a.x,this.y/=a.y,this.z/=a.z,this},dividescalar:function(a){return this.multiplyscalar(1/a)},min:function(a){return this.x=math.min(this.x,a.x),this.y=math.min(this.y,a.y),this.z=math.min(this.z,a.z),this},max:function(a){return this.x=math.max(this.x,a.x),this.y=math.max(this.y,a.y),this.z=math.max(this.z,a.z),this},clamp:function(a,b){return this.x=math.max(a.x,math.min(b.x,this.x)),this.y=math.max(a.y,math.min(b.y,this.y)),this.z=math.max(a.z,math.min(b.z,this.z)),this},clampscalar:function(){var a,b;return function(d,e){return void 0===a&&(a=new bb,b=new bb),a.set(d,d,d),b.set(e,e,e),this.clamp(a,b)}}(),clamplength:function(a,b){var c=this.length();return this.multiplyscalar(math.max(a,math.min(b,c))/c)},floor:function(){return this.x=math.floor(this.x),this.y=math.floor(this.y),this.z=math.floor(this.z),this},ceil:function(){return this.x=math.ceil(this.x),this.y=math.ceil(this.y),this.z=math.ceil(this.z),this},round:function(){return this.x=math.round(this.x),this.y=math.round(this.y),this.z=math.round(this.z),this},roundtozero:function(){return this.x=this.x<0?math.ceil(this.x):math.floor(this.x),this.y=this.y<0?math.ceil(this.y):math.floor(this.y),this.z=this.z<0?math.ceil(this.z):math.floor(this.z),this},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthsq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},lengthmanhattan:function(){return math.abs(this.x)+math.abs(this.y)+math.abs(this.z)},normalize:function(){return this.dividescalar(this.length())},setlength:function(a){return this.multiplyscalar(a/this.length())},lerp:function(a,b){return this.x+=(a.x-this.x)*b,this.y+=(a.y-this.y)*b,this.z+=(a.z-this.z)*b,this},lerpvectors:function(a,b,c){return this.subvectors(b,a).multiplyscalar(c).add(a)},cross:function(a,b){if(void 0!==b)return console.warn("three.vector3: .cross() now only accepts one argument. use .crossvectors( a, b ) instead."),this.crossvectors(a,b);var c=this.x,d=this.y,e=this.z;return this.x=d*a.z-e*a.y,this.y=e*a.x-c*a.z,this.z=c*a.y-d*a.x,this},crossvectors:function(a,b){var c=a.x,d=a.y,e=a.z,f=b.x,g=b.y,h=b.z;return this.x=d*h-e*g,this.y=e*f-c*h,this.z=c*g-d*f,this},projectonvector:function(a){var b=a.dot(this)/a.lengthsq();return this.copy(a).multiplyscalar(b)},projectonplane:function(){var a;return function(c){return void 0===a&&(a=new bb),a.copy(this).projectonvector(c),this.sub(a)}}(),reflect:function(){var a;return function(c){return void 0===a&&(a=new bb),this.sub(a.copy(c).multiplyscalar(2*this.dot(c)))}}(),angleto:function(a){var b=this.dot(a)/math.sqrt(this.lengthsq()*a.lengthsq());return math.acos(tb.clamp(b,-1,1))},distanceto:function(a){return math.sqrt(this.distancetosquared(a))},distancetosquared:function(a){var b=this.x-a.x,c=this.y-a.y,d=this.z-a.z;return b*b+c*c+d*d},distancetomanhattan:function(a){return math.abs(this.x-a.x)+math.abs(this.y-a.y)+math.abs(this.z-a.z)},setfromspherical:function(a){var b=math.sin(a.phi)*a.radius;return this.x=b*math.sin(a.theta),this.y=math.cos(a.phi)*a.radius,this.z=b*math.cos(a.theta),this},setfromcylindrical:function(a){return this.x=a.radius*math.sin(a.theta),this.y=a.y,this.z=a.radius*math.cos(a.theta),this},setfrommatrixposition:function(a){return this.setfrommatrixcolumn(a,3)},setfrommatrixscale:function(a){var b=this.setfrommatrixcolumn(a,0).length(),c=this.setfrommatrixcolumn(a,1).length(),d=this.setfrommatrixcolumn(a,2).length();return this.x=b,this.y=c,this.z=d,this},setfrommatrixcolumn:function(a,b){if("number"==typeof a){console.warn("three.vector3: setfrommatrixcolumn now expects ( matrix, index ).");var c=a;a=b,b=c}return this.fromarray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromarray:function(a,b){return void 0===b&&(b=0),this.x=a[b],this.y=a[b+1],this.z=a[b+2],this},toarray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this.x,a[b+1]=this.y,a[b+2]=this.z,a},frombufferattribute:function(a,b,c){return void 0!==c&&console.warn("three.vector3: offset has been removed from .frombufferattribute()."),this.x=a.getx(b),this.y=a.gety(b),this.z=a.getz(b),this}},cb.prototype={constructor:cb,ismatrix4:!0,set:function(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p){var q=this.elements;return q[0]=a,q[4]=b,q[8]=c,q[12]=d,q[1]=e,q[5]=f,q[9]=g,q[13]=h,q[2]=i,q[6]=j,q[10]=k,q[14]=l,q[3]=m,q[7]=n,q[11]=o,q[15]=p,this},identity:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},clone:function(){return(new cb).fromarray(this.elements)},copy:function(a){return this.elements.set(a.elements),this},copyposition:function(a){var b=this.elements,c=a.elements;return b[12]=c[12],b[13]=c[13],b[14]=c[14],this},extractbasis:function(a,b,c){return a.setfrommatrixcolumn(this,0),b.setfrommatrixcolumn(this,1),c.setfrommatrixcolumn(this,2),this},makebasis:function(a,b,c){return this.set(a.x,b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1),this},extractrotation:function(){var a;return function(c){void 0===a&&(a=new bb);var d=this.elements,e=c.elements,f=1/a.setfrommatrixcolumn(c,0).length(),g=1/a.setfrommatrixcolumn(c,1).length(),h=1/a.setfrommatrixcolumn(c,2).length();return d[0]=e[0]*f,d[1]=e[1]*f,d[2]=e[2]*f,d[4]=e[4]*g,d[5]=e[5]*g,d[6]=e[6]*g,d[8]=e[8]*h,d[9]=e[9]*h,d[10]=e[10]*h,this}}(),makerotationfromeuler:function(a){(a&&a.iseuler)===!1&&console.error("three.matrix: .makerotationfromeuler() now expects a euler rotation rather than a vector3 and order.");var b=this.elements,c=a.x,d=a.y,e=a.z,f=math.cos(c),g=math.sin(c),h=math.cos(d),i=math.sin(d),j=math.cos(e),k=math.sin(e);if("xyz"===a.order){var l=f*j,m=f*k,n=g*j,o=g*k;b[0]=h*j,b[4]=-h*k,b[8]=i,b[1]=m+n*i,b[5]=l-o*i,b[9]=-g*h,b[2]=o-l*i,b[6]=n+m*i,b[10]=f*h}else if("yxz"===a.order){var p=h*j,q=h*k,r=i*j,s=i*k;b[0]=p+s*g,b[4]=r*g-q,b[8]=f*i,b[1]=f*k,b[5]=f*j,b[9]=-g,b[2]=q*g-r,b[6]=s+p*g,b[10]=f*h}else if("zxy"===a.order){var p=h*j,q=h*k,r=i*j,s=i*k;b[0]=p-s*g,b[4]=-f*k,b[8]=r+q*g,b[1]=q+r*g,b[5]=f*j,b[9]=s-p*g,b[2]=-f*i,b[6]=g,b[10]=f*h}else if("zyx"===a.order){var l=f*j,m=f*k,n=g*j,o=g*k;b[0]=h*j,b[4]=n*i-m,b[8]=l*i+o,b[1]=h*k,b[5]=o*i+l,b[9]=m*i-n,b[2]=-i,b[6]=g*h,b[10]=f*h}else if("yzx"===a.order){var t=f*h,u=f*i,v=g*h,w=g*i;b[0]=h*j,b[4]=w-t*k,b[8]=v*k+u,b[1]=k,b[5]=f*j,b[9]=-g*j,b[2]=-i*j,b[6]=u*k+v,b[10]=t-w*k}else if("xzy"===a.order){var t=f*h,u=f*i,v=g*h,w=g*i;b[0]=h*j,b[4]=-k,b[8]=i*j,b[1]=t*k+w,b[5]=f*j,b[9]=u*k-v,b[2]=v*k-u,b[6]=g*j,b[10]=w*k+t}return b[3]=0,b[7]=0,b[11]=0,b[12]=0,b[13]=0,b[14]=0,b[15]=1,this},makerotationfromquaternion:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w,g=c+c,h=d+d,i=e+e,j=c*g,k=c*h,l=c*i,m=d*h,n=d*i,o=e*i,p=f*g,q=f*h,r=f*i;return b[0]=1-(m+o),b[4]=k-r,b[8]=l+q,b[1]=k+r,b[5]=1-(j+o),b[9]=n-p,b[2]=l-q,b[6]=n+p,b[10]=1-(j+m),b[3]=0,b[7]=0,b[11]=0,b[12]=0,b[13]=0,b[14]=0,b[15]=1,this},lookat:function(){var a,b,c;return function(e,f,g){void 0===a&&(a=new bb,b=new bb,c=new bb);var h=this.elements;return c.subvectors(e,f).normalize(),0===c.lengthsq()&&(c.z=1),a.crossvectors(g,c).normalize(),0===a.lengthsq()&&(c.z+=1e-4,a.crossvectors(g,c).normalize()),b.crossvectors(c,a),h[0]=a.x,h[4]=b.x,h[8]=c.x,h[1]=a.y,h[5]=b.y,h[9]=c.y,h[2]=a.z,h[6]=b.z,h[10]=c.z,this}}(),multiply:function(a,b){return void 0!==b?(console.warn("three.matrix4: .multiply() now only accepts one argument. use .multiplymatrices( a, b ) instead."),this.multiplymatrices(a,b)):this.multiplymatrices(this,a)},premultiply:function(a){return this.multiplymatrices(a,this)},multiplymatrices:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[4],h=c[8],i=c[12],j=c[1],k=c[5],l=c[9],m=c[13],n=c[2],o=c[6],p=c[10],q=c[14],r=c[3],s=c[7],t=c[11],u=c[15],v=d[0],w=d[4],x=d[8],y=d[12],z=d[1],a=d[5],b=d[9],c=d[13],d=d[2],e=d[6],f=d[10],g=d[14],h=d[3],i=d[7],j=d[11],k=d[15];return e[0]=f*v+g*z+h*d+i*h,e[4]=f*w+g*a+h*e+i*i,e[8]=f*x+g*b+h*f+i*j,e[12]=f*y+g*c+h*g+i*k,e[1]=j*v+k*z+l*d+m*h,e[5]=j*w+k*a+l*e+m*i,e[9]=j*x+k*b+l*f+m*j,e[13]=j*y+k*c+l*g+m*k,e[2]=n*v+o*z+p*d+q*h,e[6]=n*w+o*a+p*e+q*i,e[10]=n*x+o*b+p*f+q*j,e[14]=n*y+o*c+p*g+q*k,e[3]=r*v+s*z+t*d+u*h,e[7]=r*w+s*a+t*e+u*i,e[11]=r*x+s*b+t*f+u*j,e[15]=r*y+s*c+t*g+u*k,this},multiplytoarray:function(a,b,c){var d=this.elements;return this.multiplymatrices(a,b),c[0]=d[0],c[1]=d[1],c[2]=d[2],c[3]=d[3],c[4]=d[4],c[5]=d[5],c[6]=d[6],c[7]=d[7],c[8]=d[8],c[9]=d[9],c[10]=d[10],c[11]=d[11],c[12]=d[12],c[13]=d[13],c[14]=d[14],c[15]=d[15],this},multiplyscalar:function(a){var b=this.elements;return b[0]*=a,b[4]*=a,b[8]*=a,b[12]*=a,b[1]*=a,b[5]*=a,b[9]*=a,b[13]*=a,b[2]*=a,b[6]*=a,b[10]*=a,b[14]*=a,b[3]*=a,b[7]*=a,b[11]*=a,b[15]*=a,this},applytobufferattribute:function(){var a;return function(c){void 0===a&&(a=new bb);for(var d=0,e=c.count;d<e;d++)a.x=c.getx(d),a.y=c.gety(d),a.z=c.getz(d),a.applymatrix4(this),c.setxyz(d,a.x,a.y,a.z);return c}}(),determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],i=a[13],j=a[2],k=a[6],l=a[10],m=a[14],n=a[3],o=a[7],p=a[11],q=a[15];return n*(+e*h*k-d*i*k-e*g*l+c*i*l+d*g*m-c*h*m)+o*(+b*h*m-b*i*l+e*f*l-d*f*m+d*i*j-e*h*j)+p*(+b*i*k-b*g*m-e*f*k+c*f*m+e*g*j-c*i*j)+q*(-d*g*j-b*h*k+b*g*l+d*f*k-c*f*l+c*h*j)},transpose:function(){var b,a=this.elements;return b=a[1],a[1]=a[4],a[4]=b,b=a[2],a[2]=a[8],a[8]=b,b=a[6],a[6]=a[9],a[9]=b,b=a[3],a[3]=a[12],a[12]=b,b=a[7],a[7]=a[13],a[13]=b,b=a[11],a[11]=a[14],a[14]=b,this},setposition:function(a){var b=this.elements;return b[12]=a.x,b[13]=a.y,b[14]=a.z,this},getinverse:function(a,b){var c=this.elements,d=a.elements,e=d[0],f=d[1],g=d[2],h=d[3],i=d[4],j=d[5],k=d[6],l=d[7],m=d[8],n=d[9],o=d[10],p=d[11],q=d[12],r=d[13],s=d[14],t=d[15],u=n*s*l-r*o*l+r*k*p-j*s*p-n*k*t+j*o*t,v=q*o*l-m*s*l-q*k*p+i*s*p+m*k*t-i*o*t,w=m*r*l-q*n*l+q*j*p-i*r*p-m*j*t+i*n*t,x=q*n*k-m*r*k-q*j*o+i*r*o+m*j*s-i*n*s,y=e*u+f*v+g*w+h*x;if(0===y){var z="three.matrix4.getinverse(): can't invert matrix, determinant is 0";if(b===!0)throw new error(z);return console.warn(z),this.identity()}var a=1/y;return c[0]=u*a,c[1]=(r*o*h-n*s*h-r*g*p+f*s*p+n*g*t-f*o*t)*a,c[2]=(j*s*h-r*k*h+r*g*l-f*s*l-j*g*t+f*k*t)*a,c[3]=(n*k*h-j*o*h-n*g*l+f*o*l+j*g*p-f*k*p)*a,c[4]=v*a,c[5]=(m*s*h-q*o*h+q*g*p-e*s*p-m*g*t+e*o*t)*a,c[6]=(q*k*h-i*s*h-q*g*l+e*s*l+i*g*t-e*k*t)*a,c[7]=(i*o*h-m*k*h+m*g*l-e*o*l-i*g*p+e*k*p)*a,c[8]=w*a,c[9]=(q*n*h-m*r*h-q*f*p+e*r*p+m*f*t-e*n*t)*a,c[10]=(i*r*h-q*j*h+q*f*l-e*r*l-i*f*t+e*j*t)*a,c[11]=(m*j*h-i*n*h-m*f*l+e*n*l+i*f*p-e*j*p)*a,c[12]=x*a,c[13]=(m*r*g-q*n*g+q*f*o-e*r*o-m*f*s+e*n*s)*a,c[14]=(q*j*g-i*r*g-q*f*k+e*r*k+i*f*s-e*j*s)*a,c[15]=(i*n*g-m*j*g+m*f*k-e*n*k-i*f*o+e*j*o)*a,this},scale:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z;return b[0]*=c,b[4]*=d,b[8]*=e,b[1]*=c,b[5]*=d,b[9]*=e,b[2]*=c,b[6]*=d,b[10]*=e,b[3]*=c,b[7]*=d,b[11]*=e,this},getmaxscaleonaxis:function(){var a=this.elements,b=a[0]*a[0]+a[1]*a[1]+a[2]*a[2],c=a[4]*a[4]+a[5]*a[5]+a[6]*a[6],d=a[8]*a[8]+a[9]*a[9]+a[10]*a[10];return math.sqrt(math.max(b,c,d))},maketranslation:function(a,b,c){return this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1),this},makerotationx:function(a){var b=math.cos(a),c=math.sin(a);return this.set(1,0,0,0,0,b,-c,0,0,c,b,0,0,0,0,1),this},makerotationy:function(a){var b=math.cos(a),c=math.sin(a);return this.set(b,0,c,0,0,1,0,0,-c,0,b,0,0,0,0,1),this},makerotationz:function(a){var b=math.cos(a),c=math.sin(a);return this.set(b,-c,0,0,c,b,0,0,0,0,1,0,0,0,0,1),this},makerotationaxis:function(a,b){var c=math.cos(b),d=math.sin(b),e=1-c,f=a.x,g=a.y,h=a.z,i=e*f,j=e*g;return this.set(i*f+c,i*g-d*h,i*h+d*g,0,i*g+d*h,j*g+c,j*h-d*f,0,i*h-d*g,j*h+d*f,e*h*h+c,0,0,0,0,1),this},makescale:function(a,b,c){return this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1),this},makeshear:function(a,b,c){return this.set(1,b,c,0,a,1,c,0,a,b,1,0,0,0,0,1),this},compose:function(a,b,c){return this.makerotationfromquaternion(b),this.scale(c),this.setposition(a),this},decompose:function(){var a,b;return function(d,e,f){void 0===a&&(a=new bb,b=new cb);var g=this.elements,h=a.set(g[0],g[1],g[2]).length(),i=a.set(g[4],g[5],g[6]).length(),j=a.set(g[8],g[9],g[10]).length(),k=this.determinant();k<0&&(h=-h),d.x=g[12],d.y=g[13],d.z=g[14],b.elements.set(this.elements);var l=1/h,m=1/i,n=1/j;return b.elements[0]*=l,b.elements[1]*=l,b.elements[2]*=l,b.elements[4]*=m,b.elements[5]*=m,b.elements[6]*=m,b.elements[8]*=n,b.elements[9]*=n,b.elements[10]*=n,e.setfromrotationmatrix(b),f.x=h,f.y=i,f.z=j,this}}(),makeperspective:function(a,b,c,d,e,f){void 0===f&&console.warn("three.matrix4: .makeperspective() has been redefined and has a new signature. please check the docs.");var g=this.elements,h=2*e/(b-a),i=2*e/(c-d),j=(b+a)/(b-a),k=(c+d)/(c-d),l=-(f+e)/(f-e),m=-2*f*e/(f-e);return g[0]=h,g[4]=0,g[8]=j,g[12]=0,g[1]=0,g[5]=i,g[9]=k,g[13]=0,g[2]=0,g[6]=0,g[10]=l,g[14]=m,g[3]=0,g[7]=0,g[11]=-1,g[15]=0,this},makeorthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),i=1/(c-d),j=1/(f-e),k=(b+a)*h,l=(c+d)*i,m=(f+e)*j;return g[0]=2*h,g[4]=0,g[8]=0,g[12]=-k,g[1]=0,g[5]=2*i,g[9]=0,g[13]=-l,g[2]=0,g[6]=0,g[10]=-2*j,g[14]=-m,g[3]=0,g[7]=0,g[11]=0,g[15]=1,this},equals:function(a){for(var b=this.elements,c=a.elements,d=0;d<16;d++)if(b[d]!==c[d])return!1;return!0},fromarray:function(a,b){void 0===b&&(b=0);for(var c=0;c<16;c++)this.elements[c]=a[c+b];return this},toarray:function(a,b){void 0===a&&(a=[]),void 0===b&&(b=0);var c=this.elements;return a[b]=c[0],a[b+1]=c[1],a[b+2]=c[2],a[b+3]=c[3],a[b+4]=c[4],a[b+5]=c[5],a[b+6]=c[6],a[b+7]=c[7],a[b+8]=c[8],a[b+9]=c[9],a[b+10]=c[10],a[b+11]=c[11],a[b+12]=c[12],a[b+13]=c[13],a[b+14]=c[14],a[b+15]=c[15],a}},db.prototype=object.create(wb.prototype),db.prototype.constructor=db,db.prototype.iscubetexture=!0,object.defineproperty(db.prototype,"images",{get:function(){return this.image},set:function(a){this.image=a}});var eb=new wb,fb=new db,hb=[],ib=[];kc.prototype.setvalue=function(a,b){for(var c=this.seq,d=0,e=c.length;d!==e;++d){var f=c[d];f.setvalue(a,b[f.id])}};var lc=/([\w\d_]+)(\])?(\[|\.)?/g;oc.prototype.setvalue=function(a,b,c){var d=this.map[b];void 0!==d&&d.setvalue(a,c,this.renderer)},oc.prototype.set=function(a,b,c){var d=this.map[c];void 0!==d&&d.setvalue(a,b[c],this.renderer)},oc.prototype.setoptional=function(a,b,c){var d=b[c];void 0!==d&&this.setvalue(a,c,d)},oc.upload=function(a,b,c,d){for(var e=0,f=b.length;e!==f;++e){var g=b[e],h=c[g.id];h.needsupdate!==!1&&g.setvalue(a,h.value,d)}},oc.seqwithvalue=function(a,b){for(var c=[],d=0,e=a.length;d!==e;++d){var f=a[d];f.id in b&&c.push(f)}return c};var pc={merge:function(a){for(var b={},c=0;c<a.length;c++){var d=this.clone(a[c]);for(var e in d)b[e]=d[e]}return b},clone:function(a){var b={};for(var 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}},qc="#ifdef use_alphamap\n\tdiffusecolor.a *= texture2d( alphamap, vuv ).g;\n#endif\n",rc="#ifdef use_alphamap\n\tuniform sampler2d alphamap;\n#endif\n",sc="#ifdef alphatest\n\tif ( diffusecolor.a < alphatest ) discard;\n#endif\n",tc="#ifdef use_aomap\n\tfloat ambientocclusion = ( texture2d( aomap, vuv2 ).r - 1.0 ) * aomapintensity + 1.0;\n\treflectedlight.indirectdiffuse *= ambientocclusion;\n\t#if defined( use_envmap ) && defined( physical )\n\t\tfloat dotnv = saturate( dot( geometry.normal, geometry.viewdir ) );\n\t\treflectedlight.indirectspecular *= computespecularocclusion( dotnv, ambientocclusion, material.specularroughness );\n\t#endif\n#endif\n",uc="#ifdef use_aomap\n\tuniform sampler2d aomap;\n\tuniform float aomapintensity;\n#endif",vc="\nvec3 transformed = vec3( position );\n",wc="\nvec3 objectnormal = vec3( normal );\n",xc="float punctuallightintensitytoirradiancefactor( const in float lightdistance, const in float cutoffdistance, const in float decayexponent ) {\n\t\tif( decayexponent > 0.0 ) {\n#if defined ( physically_correct_lights )\n\t\t\tfloat distancefalloff = 1.0 / max( pow( lightdistance, decayexponent ), 0.01 );\n\t\t\tfloat maxdistancecutofffactor = pow2( saturate( 1.0 - pow4( lightdistance / cutoffdistance ) ) );\n\t\t\treturn distancefalloff * maxdistancecutofffactor;\n#else\n\t\t\treturn pow( saturate( -lightdistance / cutoffdistance + 1.0 ), decayexponent );\n#endif\n\t\t}\n\t\treturn 1.0;\n}\nvec3 brdf_diffuse_lambert( const in vec3 diffusecolor ) {\n\treturn reciprocal_pi * diffusecolor;\n}\nvec3 f_schlick( const in vec3 specularcolor, const in float dotlh ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotlh - 6.98316 ) * dotlh );\n\treturn ( 1.0 - specularcolor ) * fresnel + specularcolor;\n}\nfloat g_ggx_smith( const in float alpha, const in float dotnl, const in float dotnv ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotnl + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotnl ) );\n\tfloat gv = dotnv + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotnv ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat g_ggx_smithcorrelated( const in float alpha, const in float dotnl, const in float dotnv ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotnl * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotnv ) );\n\tfloat gl = dotnv * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotnl ) );\n\treturn 0.5 / max( gv + gl, epsilon );\n}\nfloat d_ggx( const in float alpha, const in float dotnh ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotnh ) * ( a2 - 1.0 ) + 1.0;\n\treturn reciprocal_pi * a2 / pow2( denom );\n}\nvec3 brdf_specular_ggx( const in incidentlight incidentlight, const in geometriccontext geometry, const in vec3 specularcolor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfdir = normalize( incidentlight.direction + geometry.viewdir );\n\tfloat dotnl = saturate( dot( geometry.normal, incidentlight.direction ) );\n\tfloat dotnv = saturate( dot( geometry.normal, geometry.viewdir ) );\n\tfloat dotnh = saturate( dot( geometry.normal, halfdir ) );\n\tfloat dotlh = saturate( dot( incidentlight.direction, halfdir ) );\n\tvec3 f = f_schlick( specularcolor, dotlh );\n\tfloat g = g_ggx_smithcorrelated( alpha, dotnl, dotnv );\n\tfloat d = d_ggx( alpha, dotnh );\n\treturn f * ( g * d );\n}\nvec2 ltctexturecoords( const in geometriccontext geometry, const in float roughness ) {\n\tconst float lut_size  = 64.0;\n\tconst float lut_scale = (lut_size - 1.0)/lut_size;\n\tconst float lut_bias  = 0.5/lut_size;\n\tvec3 n = geometry.normal;\n\tvec3 v = geometry.viewdir;\n\tvec3 p = geometry.position;\n\tfloat theta = acos( dot( n, v ) );\n\tvec2 uv = vec2(\n\t\tsqrt( saturate( roughness ) ),\n\t\tsaturate( theta / ( 0.5 * pi ) ) );\n\tuv = uv * lut_scale + lut_bias;\n\treturn uv;\n}\nvoid clipquadtohorizon( inout vec3 l[5], out int n ) {\n\tint config = 0;\n\tif ( l[0].z > 0.0 ) config += 1;\n\tif ( l[1].z > 0.0 ) config += 2;\n\tif ( l[2].z > 0.0 ) config += 4;\n\tif ( l[3].z > 0.0 ) config += 8;\n\tn = 0;\n\tif ( config == 0 ) {\n\t} else if ( config == 1 ) {\n\t\tn = 3;\n\t\tl[1] = -l[1].z * l[0] + l[0].z * l[1];\n\t\tl[2] = -l[3].z * l[0] + l[0].z * l[3];\n\t} else if ( config == 2 ) {\n\t\tn = 3;\n\t\tl[0] = -l[0].z * l[1] + l[1].z * l[0];\n\t\tl[2] = -l[2].z * l[1] + l[1].z * l[2];\n\t} else if ( config == 3 ) {\n\t\tn = 4;\n\t\tl[2] = -l[2].z * l[1] + l[1].z * l[2];\n\t\tl[3] = -l[3].z * l[0] + l[0].z * l[3];\n\t} else if ( config == 4 ) {\n\t\tn = 3;\n\t\tl[0] = -l[3].z * l[2] + l[2].z * l[3];\n\t\tl[1] = -l[1].z * l[2] + l[2].z * l[1];\n\t} else if ( config == 5 ) {\n\t\tn = 0;\n\t} else if ( config == 6 ) {\n\t\tn = 4;\n\t\tl[0] = -l[0].z * l[1] + l[1].z * l[0];\n\t\tl[3] = -l[3].z * l[2] + l[2].z * l[3];\n\t} else if ( config == 7 ) {\n\t\tn = 5;\n\t\tl[4] = -l[3].z * l[0] + l[0].z * l[3];\n\t\tl[3] = -l[3].z * l[2] + l[2].z * l[3];\n\t} else if ( config == 8 ) {\n\t\tn = 3;\n\t\tl[0] = -l[0].z * l[3] + l[3].z * l[0];\n\t\tl[1] = -l[2].z * l[3] + l[3].z * l[2];\n\t\tl[2] =  l[3];\n\t} else if ( config == 9 ) {\n\t\tn = 4;\n\t\tl[1] = -l[1].z * l[0] + l[0].z * l[1];\n\t\tl[2] = -l[2].z * l[3] + l[3].z * l[2];\n\t} else if ( config == 10 ) {\n\t\tn = 0;\n\t} else if ( config == 11 ) {\n\t\tn = 5;\n\t\tl[4] = l[3];\n\t\tl[3] = -l[2].z * l[3] + l[3].z * l[2];\n\t\tl[2] = -l[2].z * l[1] + l[1].z * l[2];\n\t} else if ( config == 12 ) {\n\t\tn = 4;\n\t\tl[1] = -l[1].z * l[2] + l[2].z * l[1];\n\t\tl[0] = -l[0].z * l[3] + l[3].z * l[0];\n\t} else if ( config == 13 ) {\n\t\tn = 5;\n\t\tl[4] = l[3];\n\t\tl[3] = l[2];\n\t\tl[2] = -l[1].z * l[2] + l[2].z * l[1];\n\t\tl[1] = -l[1].z * l[0] + l[0].z * l[1];\n\t} else if ( config == 14 ) {\n\t\tn = 5;\n\t\tl[4] = -l[0].z * l[3] + l[3].z * l[0];\n\t\tl[0] = -l[0].z * l[1] + l[1].z * l[0];\n\t} else if ( config == 15 ) {\n\t\tn = 4;\n\t}\n\tif ( n == 3 )\n\t\tl[3] = l[0];\n\tif ( n == 4 )\n\t\tl[4] = l[0];\n}\nfloat integrateltcbrdfoverrectedge( vec3 v1, vec3 v2 ) {\n\tfloat costheta = dot( v1, v2 );\n\tfloat theta = acos( costheta );\n\tfloat res = cross( v1, v2 ).z * ( ( theta > 0.001 ) ? theta / sin( theta ) : 1.0 );\n\treturn res;\n}\nvoid initrectpoints( const in vec3 pos, const in vec3 halfwidth, const in vec3 halfheight, out vec3 rectpoints[4] ) {\n\trectpoints[0] = pos - halfwidth - halfheight;\n\trectpoints[1] = pos + halfwidth - halfheight;\n\trectpoints[2] = pos + halfwidth + halfheight;\n\trectpoints[3] = pos - halfwidth + halfheight;\n}\nvec3 integrateltcbrdfoverrect( const in geometriccontext geometry, const in mat3 brdfmat, const in vec3 rectpoints[4] ) {\n\tvec3 n = geometry.normal;\n\tvec3 v = geometry.viewdir;\n\tvec3 p = geometry.position;\n\tvec3 t1, t2;\n\tt1 = normalize(v - n * dot( v, n ));\n\tt2 = - cross( n, t1 );\n\tmat3 brdfwrtsurface = brdfmat * transpose( mat3( t1, t2, n ) );\n\tvec3 clippedrect[5];\n\tclippedrect[0] = brdfwrtsurface * ( rectpoints[0] - p );\n\tclippedrect[1] = brdfwrtsurface * ( rectpoints[1] - p );\n\tclippedrect[2] = brdfwrtsurface * ( rectpoints[2] - p );\n\tclippedrect[3] = brdfwrtsurface * ( rectpoints[3] - p );\n\tint n;\n\tclipquadtohorizon(clippedrect, n);\n\tif ( n == 0 )\n\t\treturn vec3( 0, 0, 0 );\n\tclippedrect[0] = normalize( clippedrect[0] );\n\tclippedrect[1] = normalize( clippedrect[1] );\n\tclippedrect[2] = normalize( clippedrect[2] );\n\tclippedrect[3] = normalize( clippedrect[3] );\n\tclippedrect[4] = normalize( clippedrect[4] );\n\tfloat sum = 0.0;\n\tsum += integrateltcbrdfoverrectedge( clippedrect[0], clippedrect[1] );\n\tsum += integrateltcbrdfoverrectedge( clippedrect[1], clippedrect[2] );\n\tsum += integrateltcbrdfoverrectedge( clippedrect[2], clippedrect[3] );\n\tif (n >= 4)\n\t\tsum += integrateltcbrdfoverrectedge( clippedrect[3], clippedrect[4] );\n\tif (n == 5)\n\t\tsum += integrateltcbrdfoverrectedge( clippedrect[4], clippedrect[0] );\n\tsum = max( 0.0, sum );\n\tvec3 lo_i = vec3( sum, sum, sum );\n\treturn lo_i;\n}\nvec3 rect_area_light_specular_reflectance(\n\t\tconst in geometriccontext geometry,\n\t\tconst in vec3 lightpos, const in vec3 lighthalfwidth, const in vec3 lighthalfheight,\n\t\tconst in float roughness,\n\t\tconst in sampler2d ltcmat, const in sampler2d ltcmag ) {\n\tvec3 rectpoints[4];\n\tinitrectpoints( lightpos, lighthalfwidth, lighthalfheight, rectpoints );\n\tvec2 uv = ltctexturecoords( geometry, roughness );\n\tvec4 brdfltcapproxparams, t;\n\tbrdfltcapproxparams = texture2d( ltcmat, uv );\n\tt = texture2d( ltcmat, uv );\n\tfloat brdfltcscalar = texture2d( ltcmag, uv ).a;\n\tmat3 brdfltcapproxmat = mat3(\n\t\tvec3(   1,   0, t.y ),\n\t\tvec3(   0, t.z,   0 ),\n\t\tvec3( t.w,   0, t.x )\n\t);\n\tvec3 specularreflectance = integrateltcbrdfoverrect( geometry, brdfltcapproxmat, rectpoints );\n\tspecularreflectance *= brdfltcscalar;\n\treturn specularreflectance;\n}\nvec3 rect_area_light_diffuse_reflectance(\n\t\tconst in geometriccontext geometry,\n\t\tconst in vec3 lightpos, const in vec3 lighthalfwidth, const in vec3 lighthalfheight ) {\n\tvec3 rectpoints[4];\n\tinitrectpoints( lightpos, lighthalfwidth, lighthalfheight, rectpoints );\n\tmat3 diffusebrdfmat = mat3(1);\n\tvec3 diffusereflectance = integrateltcbrdfoverrect( geometry, diffusebrdfmat, rectpoints );\n\treturn diffusereflectance;\n}\nvec3 brdf_specular_ggx_environment( const in geometriccontext geometry, const in vec3 specularcolor, const in float roughness ) {\n\tfloat dotnv = saturate( dot( geometry.normal, geometry.viewdir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotnv ) ) * r.x + r.y;\n\tvec2 ab = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularcolor * ab.x + ab.y;\n}\nfloat g_blinnphong_implicit( ) {\n\treturn 0.25;\n}\nfloat d_blinnphong( const in float shininess, const in float dotnh ) {\n\treturn reciprocal_pi * ( shininess * 0.5 + 1.0 ) * pow( dotnh, shininess );\n}\nvec3 brdf_specular_blinnphong( const in incidentlight incidentlight, const in geometriccontext geometry, const in vec3 specularcolor, const in float shininess ) {\n\tvec3 halfdir = normalize( incidentlight.direction + geometry.viewdir );\n\tfloat dotnh = saturate( dot( geometry.normal, halfdir ) );\n\tfloat dotlh = saturate( dot( incidentlight.direction, halfdir ) );\n\tvec3 f = f_schlick( specularcolor, dotlh );\n\tfloat g = g_blinnphong_implicit( );\n\tfloat d = d_blinnphong( shininess, dotnh );\n\treturn f * ( g * d );\n}\nfloat ggxroughnesstoblinnexponent( const in float ggxroughness ) {\n\treturn ( 2.0 / pow2( ggxroughness + 0.0001 ) - 2.0 );\n}\nfloat blinnexponenttoggxroughness( const in float blinnexponent ) {\n\treturn sqrt( 2.0 / ( blinnexponent + 2.0 ) );\n}\n",yc="#ifdef use_bumpmap\n\tuniform sampler2d bumpmap;\n\tuniform float bumpscale;\n\tvec2 dhdxy_fwd() {\n\t\tvec2 dstdx = dfdx( vuv );\n\t\tvec2 dstdy = dfdy( vuv );\n\t\tfloat hll = bumpscale * texture2d( bumpmap, vuv ).x;\n\t\tfloat dbx = bumpscale * texture2d( bumpmap, vuv + dstdx ).x - hll;\n\t\tfloat dby = bumpscale * texture2d( bumpmap, vuv + dstdy ).x - hll;\n\t\treturn vec2( dbx, dby );\n\t}\n\tvec3 perturbnormalarb( vec3 surf_pos, vec3 surf_norm, vec2 dhdxy ) {\n\t\tvec3 vsigmax = dfdx( surf_pos );\n\t\tvec3 vsigmay = dfdy( surf_pos );\n\t\tvec3 vn = surf_norm;\n\t\tvec3 r1 = cross( vsigmay, vn );\n\t\tvec3 r2 = cross( vn, vsigmax );\n\t\tfloat fdet = dot( vsigmax, r1 );\n\t\tvec3 vgrad = sign( fdet ) * ( dhdxy.x * r1 + dhdxy.y * r2 );\n\t\treturn normalize( abs( fdet ) * surf_norm - vgrad );\n\t}\n#endif\n",zc="#if num_clipping_planes > 0\n\tfor ( int i = 0; i < union_clipping_planes; ++ i ) {\n\t\tvec4 plane = clippingplanes[ i ];\n\t\tif ( dot( vviewposition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if union_clipping_planes < num_clipping_planes\n\t\tbool clipped = true;\n\t\tfor ( int i = union_clipping_planes; i < num_clipping_planes; ++ i ) {\n\t\t\tvec4 plane = clippingplanes[ i ];\n\t\t\tclipped = ( dot( vviewposition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n",ac="#if num_clipping_planes > 0\n\t#if ! defined( physical ) && ! defined( phong )\n\t\tvarying vec3 vviewposition;\n\t#endif\n\tuniform vec4 clippingplanes[ num_clipping_planes ];\n#endif\n",bc="#if num_clipping_planes > 0 && ! defined( physical ) && ! defined( phong )\n\tvarying vec3 vviewposition;\n#endif\n",cc="#if num_clipping_planes > 0 && ! defined( physical ) && ! defined( phong )\n\tvviewposition = - mvposition.xyz;\n#endif\n",dc="#ifdef use_color\n\tdiffusecolor.rgb *= vcolor;\n#endif",ec="#ifdef use_color\n\tvarying vec3 vcolor;\n#endif\n",fc="#ifdef use_color\n\tvarying vec3 vcolor;\n#endif",gc="#ifdef use_color\n\tvcolor.xyz = color.xyz;\n#endif",hc="#define pi 3.14159265359\n#define pi2 6.28318530718\n#define pi_half 1.5707963267949\n#define reciprocal_pi 0.31830988618\n#define reciprocal_pi2 0.15915494\n#define log2 1.442695\n#define epsilon 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whitecompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, pi );\n\treturn fract(sin(sn) * c);\n}\nstruct incidentlight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct reflectedlight {\n\tvec3 directdiffuse;\n\tvec3 directspecular;\n\tvec3 indirectdiffuse;\n\tvec3 indirectspecular;\n};\nstruct geometriccontext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewdir;\n};\nvec3 transformdirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inversetransformdirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectonplane(in vec3 point, in vec3 pointonplane, in vec3 planenormal ) {\n\tfloat distance = dot( planenormal, point - pointonplane );\n\treturn - distance * planenormal + point;\n}\nfloat sideofplane( in vec3 point, in vec3 pointonplane, in vec3 planenormal ) {\n\treturn sign( dot( point - pointonplane, planenormal ) );\n}\nvec3 lineplaneintersect( in vec3 pointonline, in vec3 linedirection, in vec3 pointonplane, in vec3 planenormal ) {\n\treturn linedirection * ( dot( planenormal, pointonplane - pointonline ) / dot( planenormal, linedirection ) ) + pointonline;\n}\nmat3 transpose( const in mat3 v ) {\n\tmat3 tmp;\n\ttmp[0] = vec3(v[0].x, v[1].x, v[2].x);\n\ttmp[1] = vec3(v[0].y, v[1].y, v[2].y);\n\ttmp[2] = vec3(v[0].z, v[1].z, v[2].z);\n\treturn tmp;\n}\n",ic="#ifdef envmap_type_cube_uv\n#define cubeuv_texturesize (1024.0)\nint getfacefromdirection(vec3 direction) {\n\tvec3 absdirection = abs(direction);\n\tint face = -1;\n\tif( absdirection.x > absdirection.z ) {\n\t\tif(absdirection.x > absdirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absdirection.z > absdirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeuv_maxlods1  (log2(cubeuv_texturesize*0.25) - 1.0)\n#define cubeuv_rangeclamp (exp2((6.0 - 1.0) * 2.0))\nvec2 miplevelinfo( vec3 vec, float roughnesslevel, float roughness ) {\n\tfloat scale = exp2(cubeuv_maxlods1 - roughnesslevel);\n\tfloat dxroughness = dfdx(roughness);\n\tfloat dyroughness = dfdy(roughness);\n\tvec3 dx = dfdx( vec * scale * dxroughness );\n\tvec3 dy = dfdy( vec * scale * dyroughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeuv_rangeclamp);\n\tfloat miplevel = 0.5 * log2(d);\n\treturn vec2(floor(miplevel), fract(miplevel));\n}\n#define cubeuv_maxlods2 (log2(cubeuv_texturesize*0.25) - 2.0)\n#define cubeuv_rcptexturesize (1.0 / cubeuv_texturesize)\nvec2 getcubeuv(vec3 direction, float roughnesslevel, float miplevel) {\n\tmiplevel = roughnesslevel > cubeuv_maxlods2 - 3.0 ? 0.0 : miplevel;\n\tfloat a = 16.0 * cubeuv_rcptexturesize;\n\tvec2 exp2_packed = exp2( vec2( roughnesslevel, miplevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powscale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipoffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bres = miplevel == 0.0;\n\tscale =  bres && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getfacefromdirection(direction);\n\tfloat rcppowscale = 1.0 / powscale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipoffset,0.75 * rcppowscale);\n\t\toffset.y = bres && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipoffset, 0.75 * rcppowscale);\n\t\toffset.y = bres && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipoffset, 0.75 * rcppowscale);\n\t\toffset.y = bres && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipoffset,0.5 * rcppowscale);\n\t\toffset.y = bres && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipoffset, 0.5 * rcppowscale);\n\t\toffset.y = bres && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipoffset, 0.5 * rcppowscale);\n\t\toffset.y = bres && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texeloffset = 0.5 * cubeuv_rcptexturesize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texeloffset );\n\treturn base + s * ( scale - 2.0 * texeloffset );\n}\n#define cubeuv_maxlods3 (log2(cubeuv_texturesize*0.25) - 3.0)\nvec4 texturecubeuv(vec3 reflecteddirection, float roughness ) {\n\tfloat roughnessval = roughness* cubeuv_maxlods3;\n\tfloat r1 = floor(roughnessval);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessval);\n\tvec2 mipinfo = miplevelinfo(reflecteddirection, r1, roughness);\n\tfloat s = mipinfo.y;\n\tfloat level0 = mipinfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getcubeuv(reflecteddirection, r1, level0);\n\tvec4 color10 = envmaptexeltolinear(texture2d(envmap, uv_10));\n\tvec2 uv_20 = getcubeuv(reflecteddirection, r2, level0);\n\tvec4 color20 = envmaptexeltolinear(texture2d(envmap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n",jc="#ifdef flip_sided\n\tobjectnormal = -objectnormal;\n#endif\nvec3 transformednormal = normalmatrix * objectnormal;\n",kc="#ifdef use_displacementmap\n\tuniform sampler2d displacementmap;\n\tuniform float displacementscale;\n\tuniform float displacementbias;\n#endif\n",lc="#ifdef use_displacementmap\n\ttransformed += normal * ( texture2d( displacementmap, uv ).x * displacementscale + displacementbias );\n#endif\n",mc="#ifdef use_emissivemap\n\tvec4 emissivecolor = texture2d( emissivemap, vuv );\n\temissivecolor.rgb = emissivemaptexeltolinear( emissivecolor ).rgb;\n\ttotalemissiveradiance *= emissivecolor.rgb;\n#endif\n",nc="#ifdef use_emissivemap\n\tuniform sampler2d emissivemap;\n#endif\n",oc="  gl_fragcolor = lineartooutputtexel( gl_fragcolor );\n",pc="\nvec4 lineartolinear( in vec4 value ) {\n\treturn value;\n}\nvec4 gammatolinear( in vec4 value, in float gammafactor ) {\n\treturn vec4( pow( value.xyz, vec3( gammafactor ) ), value.w );\n}\nvec4 lineartogamma( in vec4 value, in float gammafactor ) {\n\treturn vec4( pow( value.xyz, vec3( 1.0 / gammafactor ) ), value.w );\n}\nvec4 srgbtolinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessthanequal( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 lineartosrgb( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessthanequal( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 rgbetolinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 lineartorgbe( in vec4 value ) {\n\tfloat maxcomponent = max( max( value.r, value.g ), value.b );\n\tfloat fexp = clamp( ceil( log2( maxcomponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fexp ), ( fexp + 128.0 ) / 255.0 );\n}\nvec4 rgbmtolinear( in vec4 value, in float maxrange ) {\n\treturn vec4( value.xyz * value.w * maxrange, 1.0 );\n}\nvec4 lineartorgbm( in vec4 value, in float maxrange ) {\n\tfloat maxrgb = max( value.x, max( value.g, value.b ) );\n\tfloat m      = clamp( maxrgb / maxrange, 0.0, 1.0 );\n\tm            = ceil( m * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( m * maxrange ), m );\n}\nvec4 rgbdtolinear( in vec4 value, in float maxrange ) {\n\treturn vec4( value.rgb * ( ( maxrange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 lineartorgbd( in vec4 value, in float maxrange ) {\n\tfloat maxrgb = max( value.x, max( value.g, value.b ) );\n\tfloat d      = max( maxrange / maxrgb, 1.0 );\n\td            = min( floor( d ) / 255.0, 1.0 );\n\treturn vec4( value.rgb * ( d * ( 255.0 / maxrange ) ), d );\n}\nconst mat3 clogluvm = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 lineartologluv( in vec4 value )  {\n\tvec3 xp_y_xyzp = value.rgb * clogluvm;\n\txp_y_xyzp = max(xp_y_xyzp, vec3(1e-6, 1e-6, 1e-6));\n\tvec4 vresult;\n\tvresult.xy = xp_y_xyzp.xy / xp_y_xyzp.z;\n\tfloat le = 2.0 * log2(xp_y_xyzp.y) + 127.0;\n\tvresult.w = fract(le);\n\tvresult.z = (le - (floor(vresult.w*255.0))/255.0)/255.0;\n\treturn vresult;\n}\nconst mat3 clogluvinversem = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 logluvtolinear( in vec4 value ) {\n\tfloat le = value.z * 255.0 + value.w;\n\tvec3 xp_y_xyzp;\n\txp_y_xyzp.y = exp2((le - 127.0) / 2.0);\n\txp_y_xyzp.z = xp_y_xyzp.y / value.y;\n\txp_y_xyzp.x = value.x * xp_y_xyzp.z;\n\tvec3 vrgb = xp_y_xyzp.rgb * clogluvinversem;\n\treturn vec4( max(vrgb, 0.0), 1.0 );\n}\n",qc="#ifdef use_envmap\n\t#if defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong )\n\t\tvec3 cameratovertex = normalize( vworldposition - cameraposition );\n\t\tvec3 worldnormal = inversetransformdirection( normal, viewmatrix );\n\t\t#ifdef envmap_mode_reflection\n\t\t\tvec3 reflectvec = reflect( cameratovertex, worldnormal );\n\t\t#else\n\t\t\tvec3 reflectvec = refract( cameratovertex, worldnormal, refractionratio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectvec = vreflect;\n\t#endif\n\t#ifdef envmap_type_cube\n\t\tvec4 envcolor = texturecube( envmap, flipnormal * vec3( flipenvmap * reflectvec.x, reflectvec.yz ) );\n\t#elif defined( envmap_type_equirec )\n\t\tvec2 sampleuv;\n\t\tsampleuv.y = saturate( flipnormal * reflectvec.y * 0.5 + 0.5 );\n\t\tsampleuv.x = atan( flipnormal * reflectvec.z, flipnormal * reflectvec.x ) * reciprocal_pi2 + 0.5;\n\t\tvec4 envcolor = texture2d( envmap, sampleuv );\n\t#elif defined( envmap_type_sphere )\n\t\tvec3 reflectview = flipnormal * normalize( ( viewmatrix * vec4( reflectvec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envcolor = texture2d( envmap, reflectview.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envcolor = vec4( 0.0 );\n\t#endif\n\tenvcolor = envmaptexeltolinear( envcolor );\n\t#ifdef envmap_blending_multiply\n\t\toutgoinglight = mix( outgoinglight, outgoinglight * envcolor.xyz, specularstrength * reflectivity );\n\t#elif defined( envmap_blending_mix )\n\t\toutgoinglight = mix( outgoinglight, envcolor.xyz, specularstrength * reflectivity );\n\t#elif defined( envmap_blending_add )\n\t\toutgoinglight += envcolor.xyz * specularstrength * reflectivity;\n\t#endif\n#endif\n",rc="#if defined( use_envmap ) || defined( physical )\n\tuniform float reflectivity;\n\tuniform float envmapintensity;\n#endif\n#ifdef use_envmap\n\t#if ! defined( physical ) && ( defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong ) )\n\t\tvarying vec3 vworldposition;\n\t#endif\n\t#ifdef envmap_type_cube\n\t\tuniform samplercube envmap;\n\t#else\n\t\tuniform sampler2d envmap;\n\t#endif\n\tuniform float flipenvmap;\n\t#if defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong ) || defined( physical )\n\t\tuniform float refractionratio;\n\t#else\n\t\tvarying vec3 vreflect;\n\t#endif\n#endif\n",sc="#ifdef use_envmap\n\t#if defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong )\n\t\tvarying vec3 vworldposition;\n\t#else\n\t\tvarying vec3 vreflect;\n\t\tuniform float refractionratio;\n\t#endif\n#endif\n",tc="#ifdef use_envmap\n\t#if defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong )\n\t\tvworldposition = worldposition.xyz;\n\t#else\n\t\tvec3 cameratovertex = normalize( worldposition.xyz - cameraposition );\n\t\tvec3 worldnormal = inversetransformdirection( transformednormal, viewmatrix );\n\t\t#ifdef envmap_mode_reflection\n\t\t\tvreflect = reflect( cameratovertex, worldnormal );\n\t\t#else\n\t\t\tvreflect = refract( cameratovertex, worldnormal, refractionratio );\n\t\t#endif\n\t#endif\n#endif\n",uc="\n#ifdef use_fog\nfogdepth = -mvposition.z;\n#endif",vc="#ifdef use_fog\n  varying float fogdepth;\n#endif\n",wc="#ifdef use_fog\n\t#ifdef fog_exp2\n\t\tfloat fogfactor = whitecompliment( exp2( - fogdensity * fogdensity * fogdepth * fogdepth * log2 ) );\n\t#else\n\t\tfloat fogfactor = smoothstep( fognear, fogfar, fogdepth );\n\t#endif\n\tgl_fragcolor.rgb = mix( gl_fragcolor.rgb, fogcolor, fogfactor );\n#endif\n",xc="#ifdef use_fog\n\tuniform vec3 fogcolor;\n\tvarying float fogdepth;\n\t#ifdef fog_exp2\n\t\tuniform float fogdensity;\n\t#else\n\t\tuniform float fognear;\n\t\tuniform float fogfar;\n\t#endif\n#endif\n",yc="#ifdef toon\n\tuniform sampler2d gradientmap;\n\tvec3 getgradientirradiance( vec3 normal, vec3 lightdirection ) {\n\t\tfloat dotnl = dot( normal, lightdirection );\n\t\tvec2 coord = vec2( dotnl * 0.5 + 0.5, 0.0 );\n\t\t#ifdef use_gradientmap\n\t\t\treturn texture2d( gradientmap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif\n",zc="#ifdef use_lightmap\n\treflectedlight.indirectdiffuse += pi * texture2d( lightmap, vuv2 ).xyz * lightmapintensity;\n#endif\n",$c="#ifdef use_lightmap\n\tuniform sampler2d lightmap;\n\tuniform float lightmapintensity;\n#endif",_c="vec3 diffuse = vec3( 1.0 );\ngeometriccontext geometry;\ngeometry.position = mvposition.xyz;\ngeometry.normal = normalize( transformednormal );\ngeometry.viewdir = normalize( -mvposition.xyz );\ngeometriccontext backgeometry;\nbackgeometry.position = geometry.position;\nbackgeometry.normal = -geometry.normal;\nbackgeometry.viewdir = geometry.viewdir;\nvlightfront = vec3( 0.0 );\n#ifdef double_sided\n\tvlightback = vec3( 0.0 );\n#endif\nincidentlight directlight;\nfloat dotnl;\nvec3 directlightcolor_diffuse;\n#if num_point_lights > 0\n\tfor ( int i = 0; i < num_point_lights; i ++ ) {\n\t\tgetpointdirectlightirradiance( pointlights[ i ], geometry, directlight );\n\t\tdotnl = dot( geometry.normal, directlight.direction );\n\t\tdirectlightcolor_diffuse = pi * directlight.color;\n\t\tvlightfront += saturate( dotnl ) * directlightcolor_diffuse;\n\t\t#ifdef double_sided\n\t\t\tvlightback += saturate( -dotnl ) * directlightcolor_diffuse;\n\t\t#endif\n\t}\n#endif\n#if num_spot_lights > 0\n\tfor ( int i = 0; i < num_spot_lights; i ++ ) {\n\t\tgetspotdirectlightirradiance( spotlights[ i ], geometry, directlight );\n\t\tdotnl = dot( geometry.normal, directlight.direction );\n\t\tdirectlightcolor_diffuse = pi * directlight.color;\n\t\tvlightfront += saturate( dotnl ) * directlightcolor_diffuse;\n\t\t#ifdef double_sided\n\t\t\tvlightback += saturate( -dotnl ) * directlightcolor_diffuse;\n\t\t#endif\n\t}\n#endif\n#if num_dir_lights > 0\n\tfor ( int i = 0; i < num_dir_lights; i ++ ) {\n\t\tgetdirectionaldirectlightirradiance( directionallights[ i ], geometry, directlight );\n\t\tdotnl = dot( geometry.normal, directlight.direction );\n\t\tdirectlightcolor_diffuse = pi * directlight.color;\n\t\tvlightfront += saturate( dotnl ) * directlightcolor_diffuse;\n\t\t#ifdef double_sided\n\t\t\tvlightback += saturate( -dotnl ) * directlightcolor_diffuse;\n\t\t#endif\n\t}\n#endif\n#if num_hemi_lights > 0\n\tfor ( int i = 0; i < num_hemi_lights; i ++ ) {\n\t\tvlightfront += gethemispherelightirradiance( hemispherelights[ i ], geometry );\n\t\t#ifdef double_sided\n\t\t\tvlightback += gethemispherelightirradiance( hemispherelights[ i ], backgeometry );\n\t\t#endif\n\t}\n#endif\n",ad="uniform vec3 ambientlightcolor;\nvec3 getambientlightirradiance( const in vec3 ambientlightcolor ) {\n\tvec3 irradiance = ambientlightcolor;\n\t#ifndef physically_correct_lights\n\t\tirradiance *= pi;\n\t#endif\n\treturn irradiance;\n}\n#if num_dir_lights > 0\n\tstruct directionallight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowbias;\n\t\tfloat shadowradius;\n\t\tvec2 shadowmapsize;\n\t};\n\tuniform directionallight directionallights[ num_dir_lights ];\n\tvoid getdirectionaldirectlightirradiance( const in directionallight directionallight, const in geometriccontext geometry, out incidentlight directlight ) {\n\t\tdirectlight.color = directionallight.color;\n\t\tdirectlight.direction = directionallight.direction;\n\t\tdirectlight.visible = true;\n\t}\n#endif\n#if num_point_lights > 0\n\tstruct pointlight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowbias;\n\t\tfloat shadowradius;\n\t\tvec2 shadowmapsize;\n\t};\n\tuniform pointlight pointlights[ num_point_lights ];\n\tvoid getpointdirectlightirradiance( const in pointlight pointlight, const in geometriccontext geometry, out incidentlight directlight ) {\n\t\tvec3 lvector = pointlight.position - geometry.position;\n\t\tdirectlight.direction = normalize( lvector );\n\t\tfloat lightdistance = length( lvector );\n\t\tdirectlight.color = pointlight.color;\n\t\tdirectlight.color *= punctuallightintensitytoirradiancefactor( lightdistance, pointlight.distance, pointlight.decay );\n\t\tdirectlight.visible = ( directlight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if num_spot_lights > 0\n\tstruct spotlight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat conecos;\n\t\tfloat penumbracos;\n\t\tint shadow;\n\t\tfloat shadowbias;\n\t\tfloat shadowradius;\n\t\tvec2 shadowmapsize;\n\t};\n\tuniform spotlight spotlights[ num_spot_lights ];\n\tvoid getspotdirectlightirradiance( const in spotlight spotlight, const in geometriccontext geometry, out incidentlight directlight  ) {\n\t\tvec3 lvector = spotlight.position - geometry.position;\n\t\tdirectlight.direction = normalize( lvector );\n\t\tfloat lightdistance = length( lvector );\n\t\tfloat anglecos = dot( directlight.direction, spotlight.direction );\n\t\tif ( anglecos > spotlight.conecos ) {\n\t\t\tfloat spoteffect = smoothstep( spotlight.conecos, spotlight.penumbracos, anglecos );\n\t\t\tdirectlight.color = spotlight.color;\n\t\t\tdirectlight.color *= spoteffect * punctuallightintensitytoirradiancefactor( lightdistance, spotlight.distance, spotlight.decay );\n\t\t\tdirectlight.visible = true;\n\t\t} else {\n\t\t\tdirectlight.color = vec3( 0.0 );\n\t\t\tdirectlight.visible = false;\n\t\t}\n\t}\n#endif\n#if num_rect_area_lights > 0\n\tstruct rectarealight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfwidth;\n\t\tvec3 halfheight;\n\t};\n\tuniform sampler2d ltcmat;\tuniform sampler2d ltcmag;\n\tuniform rectarealight rectarealights[ num_rect_area_lights ];\n#endif\n#if num_hemi_lights > 0\n\tstruct hemispherelight {\n\t\tvec3 direction;\n\t\tvec3 skycolor;\n\t\tvec3 groundcolor;\n\t};\n\tuniform hemispherelight hemispherelights[ num_hemi_lights ];\n\tvec3 gethemispherelightirradiance( const in hemispherelight hemilight, const in geometriccontext geometry ) {\n\t\tfloat dotnl = dot( geometry.normal, hemilight.direction );\n\t\tfloat hemidiffuseweight = 0.5 * dotnl + 0.5;\n\t\tvec3 irradiance = mix( hemilight.groundcolor, hemilight.skycolor, hemidiffuseweight );\n\t\t#ifndef physically_correct_lights\n\t\t\tirradiance *= pi;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( use_envmap ) && defined( physical )\n\tvec3 getlightprobeindirectirradiance( const in geometriccontext geometry, const in int maxmiplevel ) {\n\t\tvec3 worldnormal = inversetransformdirection( geometry.normal, viewmatrix );\n\t\t#ifdef envmap_type_cube\n\t\t\tvec3 queryvec = vec3( flipenvmap * worldnormal.x, worldnormal.yz );\n\t\t\t#ifdef texture_lod_ext\n\t\t\t\tvec4 envmapcolor = texturecubelodext( envmap, queryvec, float( maxmiplevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envmapcolor = texturecube( envmap, queryvec, float( maxmiplevel ) );\n\t\t\t#endif\n\t\t\tenvmapcolor.rgb = envmaptexeltolinear( envmapcolor ).rgb;\n\t\t#elif defined( envmap_type_cube_uv )\n\t\t\tvec3 queryvec = vec3( flipenvmap * worldnormal.x, worldnormal.yz );\n\t\t\tvec4 envmapcolor = texturecubeuv( queryvec, 1.0 );\n\t\t#else\n\t\t\tvec4 envmapcolor = vec4( 0.0 );\n\t\t#endif\n\t\treturn pi * envmapcolor.rgb * envmapintensity;\n\t}\n\tfloat getspecularmiplevel( const in float blinnshininessexponent, const in int maxmiplevel ) {\n\t\tfloat maxmiplevelscalar = float( maxmiplevel );\n\t\tfloat desiredmiplevel = maxmiplevelscalar - 0.79248 - 0.5 * log2( pow2( blinnshininessexponent ) + 1.0 );\n\t\treturn clamp( desiredmiplevel, 0.0, maxmiplevelscalar );\n\t}\n\tvec3 getlightprobeindirectradiance( const in geometriccontext geometry, const in float blinnshininessexponent, const in int maxmiplevel ) {\n\t\t#ifdef envmap_mode_reflection\n\t\t\tvec3 reflectvec = reflect( -geometry.viewdir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectvec = refract( -geometry.viewdir, geometry.normal, refractionratio );\n\t\t#endif\n\t\treflectvec = inversetransformdirection( reflectvec, viewmatrix );\n\t\tfloat specularmiplevel = getspecularmiplevel( blinnshininessexponent, maxmiplevel );\n\t\t#ifdef envmap_type_cube\n\t\t\tvec3 queryreflectvec = vec3( flipenvmap * reflectvec.x, reflectvec.yz );\n\t\t\t#ifdef texture_lod_ext\n\t\t\t\tvec4 envmapcolor = texturecubelodext( envmap, queryreflectvec, specularmiplevel );\n\t\t\t#else\n\t\t\t\tvec4 envmapcolor = texturecube( envmap, queryreflectvec, specularmiplevel );\n\t\t\t#endif\n\t\t\tenvmapcolor.rgb = envmaptexeltolinear( envmapcolor ).rgb;\n\t\t#elif defined( envmap_type_cube_uv )\n\t\t\tvec3 queryreflectvec = vec3( flipenvmap * reflectvec.x, reflectvec.yz );\n\t\t\tvec4 envmapcolor = texturecubeuv(queryreflectvec, blinnexponenttoggxroughness(blinnshininessexponent));\n\t\t#elif defined( envmap_type_equirec )\n\t\t\tvec2 sampleuv;\n\t\t\tsampleuv.y = saturate( reflectvec.y * 0.5 + 0.5 );\n\t\t\tsampleuv.x = atan( reflectvec.z, reflectvec.x ) * reciprocal_pi2 + 0.5;\n\t\t\t#ifdef texture_lod_ext\n\t\t\t\tvec4 envmapcolor = texture2dlodext( envmap, sampleuv, specularmiplevel );\n\t\t\t#else\n\t\t\t\tvec4 envmapcolor = texture2d( envmap, sampleuv, specularmiplevel );\n\t\t\t#endif\n\t\t\tenvmapcolor.rgb = envmaptexeltolinear( envmapcolor ).rgb;\n\t\t#elif defined( envmap_type_sphere )\n\t\t\tvec3 reflectview = normalize( ( viewmatrix * vec4( reflectvec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef texture_lod_ext\n\t\t\t\tvec4 envmapcolor = texture2dlodext( envmap, reflectview.xy * 0.5 + 0.5, specularmiplevel );\n\t\t\t#else\n\t\t\t\tvec4 envmapcolor = texture2d( envmap, reflectview.xy * 0.5 + 0.5, specularmiplevel );\n\t\t\t#endif\n\t\t\tenvmapcolor.rgb = envmaptexeltolinear( envmapcolor ).rgb;\n\t\t#endif\n\t\treturn envmapcolor.rgb * envmapintensity;\n\t}\n#endif\n",bd="blinnphongmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb;\nmaterial.specularcolor = specular;\nmaterial.specularshininess = shininess;\nmaterial.specularstrength = specularstrength;\n",cd="varying vec3 vviewposition;\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\nstruct blinnphongmaterial {\n\tvec3\tdiffusecolor;\n\tvec3\tspecularcolor;\n\tfloat\tspecularshininess;\n\tfloat\tspecularstrength;\n};\n#if num_rect_area_lights > 0\n\tvoid re_direct_rectarea_blinnphong( const in rectarealight rectarealight, const in geometriccontext geometry, const in blinnphongmaterial material, inout reflectedlight reflectedlight ) {\n\t\tvec3 matdiffcolor = material.diffusecolor;\n\t\tvec3 matspeccolor = material.specularcolor;\n\t\tvec3 lightcolor   = rectarealight.color;\n\t\tfloat roughness = blinnexponenttoggxroughness( material.specularshininess );\n\t\tvec3 spec = rect_area_light_specular_reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectarealight.position, rectarealight.halfwidth, rectarealight.halfheight,\n\t\t\t\troughness,\n\t\t\t\tltcmat, ltcmag );\n\t\tvec3 diff = rect_area_light_diffuse_reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectarealight.position, rectarealight.halfwidth, rectarealight.halfheight );\n\t\treflectedlight.directspecular += lightcolor * matspeccolor * spec / pi2;\n\t\treflectedlight.directdiffuse  += lightcolor * matdiffcolor * diff / pi2;\n\t}\n#endif\nvoid re_direct_blinnphong( const in incidentlight directlight, const in geometriccontext geometry, const in blinnphongmaterial material, inout reflectedlight reflectedlight ) {\n\t#ifdef toon\n\t\tvec3 irradiance = getgradientirradiance( geometry.normal, directlight.direction ) * directlight.color;\n\t#else\n\t\tfloat dotnl = saturate( dot( geometry.normal, directlight.direction ) );\n\t\tvec3 irradiance = dotnl * directlight.color;\n\t#endif\n\t#ifndef physically_correct_lights\n\t\tirradiance *= pi;\n\t#endif\n\treflectedlight.directdiffuse += irradiance * brdf_diffuse_lambert( material.diffusecolor );\n\treflectedlight.directspecular += irradiance * brdf_specular_blinnphong( directlight, geometry, material.specularcolor, material.specularshininess ) * material.specularstrength;\n}\nvoid re_indirectdiffuse_blinnphong( const in vec3 irradiance, const in geometriccontext geometry, const in blinnphongmaterial material, inout reflectedlight reflectedlight ) {\n\treflectedlight.indirectdiffuse += irradiance * brdf_diffuse_lambert( material.diffusecolor );\n}\n#define re_direct\t\t\t\tre_direct_blinnphong\n#define re_direct_rectarea\t\tre_direct_rectarea_blinnphong\n#define re_indirectdiffuse\t\tre_indirectdiffuse_blinnphong\n#define material_lightprobelod( material )\t(0)\n",dd="physicalmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb * ( 1.0 - metalnessfactor );\nmaterial.specularroughness = clamp( roughnessfactor, 0.04, 1.0 );\n#ifdef standard\n\tmaterial.specularcolor = mix( vec3( default_specular_coefficient ), diffusecolor.rgb, metalnessfactor );\n#else\n\tmaterial.specularcolor = mix( vec3( maximum_specular_coefficient * pow2( reflectivity ) ), diffusecolor.rgb, metalnessfactor );\n\tmaterial.clearcoat = saturate( clearcoat );\tmaterial.clearcoatroughness = clamp( clearcoatroughness, 0.04, 1.0 );\n#endif\n",ed="struct physicalmaterial {\n\tvec3\tdiffusecolor;\n\tfloat\tspecularroughness;\n\tvec3\tspecularcolor;\n\t#ifndef standard\n\t\tfloat clearcoat;\n\t\tfloat clearcoatroughness;\n\t#endif\n};\n#define maximum_specular_coefficient 0.16\n#define default_specular_coefficient 0.04\nfloat clearcoatdhrapprox( const in float roughness, const in float dotnl ) {\n\treturn default_specular_coefficient + ( 1.0 - default_specular_coefficient ) * ( pow( 1.0 - dotnl, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if num_rect_area_lights > 0\n\tvoid re_direct_rectarea_physical( const in rectarealight rectarealight, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n\t\tvec3 matdiffcolor = material.diffusecolor;\n\t\tvec3 matspeccolor = material.specularcolor;\n\t\tvec3 lightcolor   = rectarealight.color;\n\t\tfloat roughness = material.specularroughness;\n\t\tvec3 spec = rect_area_light_specular_reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectarealight.position, rectarealight.halfwidth, rectarealight.halfheight,\n\t\t\t\troughness,\n\t\t\t\tltcmat, ltcmag );\n\t\tvec3 diff = rect_area_light_diffuse_reflectance(\n\t\t\t\tgeometry,\n\t\t\t\trectarealight.position, rectarealight.halfwidth, rectarealight.halfheight );\n\t\treflectedlight.directspecular += lightcolor * matspeccolor * spec;\n\t\treflectedlight.directdiffuse  += lightcolor * matdiffcolor * diff;\n\t}\n#endif\nvoid re_direct_physical( const in incidentlight directlight, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n\tfloat dotnl = saturate( dot( geometry.normal, directlight.direction ) );\n\tvec3 irradiance = dotnl * directlight.color;\n\t#ifndef physically_correct_lights\n\t\tirradiance *= pi;\n\t#endif\n\t#ifndef standard\n\t\tfloat clearcoatdhr = material.clearcoat * clearcoatdhrapprox( material.clearcoatroughness, dotnl );\n\t#else\n\t\tfloat clearcoatdhr = 0.0;\n\t#endif\n\treflectedlight.directspecular += ( 1.0 - clearcoatdhr ) * irradiance * brdf_specular_ggx( directlight, geometry, material.specularcolor, material.specularroughness );\n\treflectedlight.directdiffuse += ( 1.0 - clearcoatdhr ) * irradiance * brdf_diffuse_lambert( material.diffusecolor );\n\t#ifndef standard\n\t\treflectedlight.directspecular += irradiance * material.clearcoat * brdf_specular_ggx( directlight, geometry, vec3( default_specular_coefficient ), material.clearcoatroughness );\n\t#endif\n}\nvoid re_indirectdiffuse_physical( const in vec3 irradiance, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n\treflectedlight.indirectdiffuse += irradiance * brdf_diffuse_lambert( material.diffusecolor );\n}\nvoid re_indirectspecular_physical( const in vec3 radiance, const in vec3 clearcoatradiance, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n\t#ifndef standard\n\t\tfloat dotnv = saturate( dot( geometry.normal, geometry.viewdir ) );\n\t\tfloat dotnl = dotnv;\n\t\tfloat clearcoatdhr = material.clearcoat * clearcoatdhrapprox( material.clearcoatroughness, dotnl );\n\t#else\n\t\tfloat clearcoatdhr = 0.0;\n\t#endif\n\treflectedlight.indirectspecular += ( 1.0 - clearcoatdhr ) * radiance * brdf_specular_ggx_environment( geometry, material.specularcolor, material.specularroughness );\n\t#ifndef standard\n\t\treflectedlight.indirectspecular += clearcoatradiance * material.clearcoat * brdf_specular_ggx_environment( geometry, vec3( default_specular_coefficient ), material.clearcoatroughness );\n\t#endif\n}\n#define re_direct\t\t\t\tre_direct_physical\n#define re_direct_rectarea\t\tre_direct_rectarea_physical\n#define re_indirectdiffuse\t\tre_indirectdiffuse_physical\n#define re_indirectspecular\t\tre_indirectspecular_physical\n#define material_blinnshininessexponent( material )   ggxroughnesstoblinnexponent( material.specularroughness )\n#define material_clearcoat_blinnshininessexponent( material )   ggxroughnesstoblinnexponent( material.clearcoatroughness )\nfloat computespecularocclusion( const in float dotnv, const in float ambientocclusion, const in float roughness ) {\n\treturn saturate( pow( dotnv + ambientocclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientocclusion );\n}\n",fd="\ngeometriccontext geometry;\ngeometry.position = - vviewposition;\ngeometry.normal = normal;\ngeometry.viewdir = normalize( vviewposition );\nincidentlight directlight;\n#if ( num_point_lights > 0 ) && defined( re_direct )\n\tpointlight pointlight;\n\tfor ( int i = 0; i < num_point_lights; i ++ ) {\n\t\tpointlight = pointlights[ i ];\n\t\tgetpointdirectlightirradiance( pointlight, geometry, directlight );\n\t\t#ifdef use_shadowmap\n\t\tdirectlight.color *= all( bvec2( pointlight.shadow, directlight.visible ) ) ? getpointshadow( pointshadowmap[ i ], pointlight.shadowmapsize, pointlight.shadowbias, pointlight.shadowradius, vpointshadowcoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tre_direct( directlight, geometry, material, reflectedlight );\n\t}\n#endif\n#if ( num_spot_lights > 0 ) && defined( re_direct )\n\tspotlight spotlight;\n\tfor ( int i = 0; i < num_spot_lights; i ++ ) {\n\t\tspotlight = spotlights[ i ];\n\t\tgetspotdirectlightirradiance( spotlight, geometry, directlight );\n\t\t#ifdef use_shadowmap\n\t\tdirectlight.color *= all( bvec2( spotlight.shadow, directlight.visible ) ) ? getshadow( spotshadowmap[ i ], spotlight.shadowmapsize, spotlight.shadowbias, spotlight.shadowradius, vspotshadowcoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tre_direct( directlight, geometry, material, reflectedlight );\n\t}\n#endif\n#if ( num_dir_lights > 0 ) && defined( re_direct )\n\tdirectionallight directionallight;\n\tfor ( int i = 0; i < num_dir_lights; i ++ ) {\n\t\tdirectionallight = directionallights[ i ];\n\t\tgetdirectionaldirectlightirradiance( directionallight, geometry, directlight );\n\t\t#ifdef use_shadowmap\n\t\tdirectlight.color *= all( bvec2( directionallight.shadow, directlight.visible ) ) ? getshadow( directionalshadowmap[ i ], directionallight.shadowmapsize, directionallight.shadowbias, directionallight.shadowradius, vdirectionalshadowcoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tre_direct( directlight, geometry, material, reflectedlight );\n\t}\n#endif\n#if ( num_rect_area_lights > 0 ) && defined( re_direct_rectarea )\n\trectarealight rectarealight;\n\tfor ( int i = 0; i < num_rect_area_lights; i ++ ) {\n\t\trectarealight = rectarealights[ i ];\n\t\tre_direct_rectarea( rectarealight, geometry, material, reflectedlight );\n\t}\n#endif\n#if defined( re_indirectdiffuse )\n\tvec3 irradiance = getambientlightirradiance( ambientlightcolor );\n\t#ifdef use_lightmap\n\t\tvec3 lightmapirradiance = texture2d( lightmap, vuv2 ).xyz * lightmapintensity;\n\t\t#ifndef physically_correct_lights\n\t\t\tlightmapirradiance *= pi;\n\t\t#endif\n\t\tirradiance += lightmapirradiance;\n\t#endif\n\t#if ( num_hemi_lights > 0 )\n\t\tfor ( int i = 0; i < num_hemi_lights; i ++ ) {\n\t\t\tirradiance += gethemispherelightirradiance( hemispherelights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( use_envmap ) && defined( physical ) && defined( envmap_type_cube_uv )\n\t\tirradiance += getlightprobeindirectirradiance( geometry, 8 );\n\t#endif\n\tre_indirectdiffuse( irradiance, geometry, material, reflectedlight );\n#endif\n#if defined( use_envmap ) && defined( re_indirectspecular )\n\tvec3 radiance = getlightprobeindirectradiance( geometry, material_blinnshininessexponent( material ), 8 );\n\t#ifndef standard\n\t\tvec3 clearcoatradiance = getlightprobeindirectradiance( geometry, material_clearcoat_blinnshininessexponent( material ), 8 );\n\t#else\n\t\tvec3 clearcoatradiance = vec3( 0.0 );\n\t#endif\n\tre_indirectspecular( radiance, clearcoatradiance, geometry, material, reflectedlight );\n#endif\n",gd="#if defined(use_logdepthbuf) && defined(use_logdepthbuf_ext)\n\tgl_fragdepthext = log2(vfragdepth) * logdepthbuffc * 0.5;\n#endif",hd="#ifdef use_logdepthbuf\n\tuniform float logdepthbuffc;\n\t#ifdef use_logdepthbuf_ext\n\t\tvarying float vfragdepth;\n\t#endif\n#endif\n",id="#ifdef use_logdepthbuf\n\t#ifdef use_logdepthbuf_ext\n\t\tvarying float vfragdepth;\n\t#endif\n\tuniform float logdepthbuffc;\n#endif",jd="#ifdef use_logdepthbuf\n\tgl_position.z = log2(max( epsilon, gl_position.w + 1.0 )) * logdepthbuffc;\n\t#ifdef use_logdepthbuf_ext\n\t\tvfragdepth = 1.0 + gl_position.w;\n\t#else\n\t\tgl_position.z = (gl_position.z - 1.0) * gl_position.w;\n\t#endif\n#endif\n",kd="#ifdef use_map\n\tvec4 texelcolor = texture2d( map, vuv );\n\ttexelcolor = maptexeltolinear( texelcolor );\n\tdiffusecolor *= texelcolor;\n#endif\n",ld="#ifdef use_map\n\tuniform sampler2d map;\n#endif\n",md="#ifdef use_map\n\tvec4 maptexel = texture2d( map, vec2( gl_pointcoord.x, 1.0 - gl_pointcoord.y ) * offsetrepeat.zw + offsetrepeat.xy );\n\tdiffusecolor *= maptexeltolinear( maptexel );\n#endif\n",nd="#ifdef use_map\n\tuniform vec4 offsetrepeat;\n\tuniform sampler2d map;\n#endif\n",od="float metalnessfactor = metalness;\n#ifdef use_metalnessmap\n\tvec4 texelmetalness = texture2d( metalnessmap, vuv );\n\tmetalnessfactor *= texelmetalness.r;\n#endif\n",pd="#ifdef use_metalnessmap\n\tuniform sampler2d metalnessmap;\n#endif",qd="#ifdef use_morphnormals\n\tobjectnormal += ( morphnormal0 - normal ) * morphtargetinfluences[ 0 ];\n\tobjectnormal += ( morphnormal1 - normal ) * morphtargetinfluences[ 1 ];\n\tobjectnormal += ( morphnormal2 - normal ) * morphtargetinfluences[ 2 ];\n\tobjectnormal += ( morphnormal3 - normal ) * morphtargetinfluences[ 3 ];\n#endif\n",rd="#ifdef use_morphtargets\n\t#ifndef use_morphnormals\n\tuniform float morphtargetinfluences[ 8 ];\n\t#else\n\tuniform float morphtargetinfluences[ 4 ];\n\t#endif\n#endif",sd="#ifdef use_morphtargets\n\ttransformed += ( morphtarget0 - position ) * morphtargetinfluences[ 0 ];\n\ttransformed += ( morphtarget1 - position ) * morphtargetinfluences[ 1 ];\n\ttransformed += ( morphtarget2 - position ) * morphtargetinfluences[ 2 ];\n\ttransformed += ( morphtarget3 - position ) * morphtargetinfluences[ 3 ];\n\t#ifndef use_morphnormals\n\ttransformed += ( morphtarget4 - position ) * morphtargetinfluences[ 4 ];\n\ttransformed += ( morphtarget5 - position ) * morphtargetinfluences[ 5 ];\n\ttransformed += ( morphtarget6 - position ) * morphtargetinfluences[ 6 ];\n\ttransformed += ( morphtarget7 - position ) * morphtargetinfluences[ 7 ];\n\t#endif\n#endif\n",td="#ifdef double_sided\n\tfloat flipnormal = ( float( gl_frontfacing ) * 2.0 - 1.0 );\n#else\n\tfloat flipnormal = 1.0;\n#endif\n",ud="#ifdef flat_shaded\n\tvec3 fdx = vec3( dfdx( vviewposition.x ), dfdx( vviewposition.y ), dfdx( vviewposition.z ) );\n\tvec3 fdy = vec3( dfdy( vviewposition.x ), dfdy( vviewposition.y ), dfdy( vviewposition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vnormal ) * flipnormal;\n#endif\n#ifdef use_normalmap\n\tnormal = perturbnormal2arb( -vviewposition, normal );\n#elif defined( use_bumpmap )\n\tnormal = perturbnormalarb( -vviewposition, normal, dhdxy_fwd() );\n#endif\n",vd="#ifdef use_normalmap\n\tuniform sampler2d normalmap;\n\tuniform vec2 normalscale;\n\tvec3 perturbnormal2arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = dfdx( eye_pos.xyz );\n\t\tvec3 q1 = dfdy( eye_pos.xyz );\n\t\tvec2 st0 = dfdx( vuv.st );\n\t\tvec2 st1 = dfdy( vuv.st );\n\t\tvec3 s = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 t = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 n = normalize( surf_norm );\n\t\tvec3 mapn = texture2d( normalmap, vuv ).xyz * 2.0 - 1.0;\n\t\tmapn.xy = normalscale * mapn.xy;\n\t\tmat3 tsn = mat3( s, t, n );\n\t\treturn normalize( tsn * mapn );\n\t}\n#endif\n",wd="vec3 packnormaltorgb( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackrgbtonormal( const in vec3 rgb ) {\n\treturn 1.0 - 2.0 * rgb.xyz;\n}\nconst float packupscale = 256. / 255.;const float unpackdownscale = 255. / 256.;\nconst vec3 packfactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\nconst vec4 unpackfactors = unpackdownscale / vec4( packfactors, 1. );\nconst float shiftright8 = 1. / 256.;\nvec4 packdepthtorgba( const in float v ) {\n\tvec4 r = vec4( fract( v * packfactors ), v );\n\tr.yzw -= r.xyz * shiftright8;\treturn r * packupscale;\n}\nfloat unpackrgbatodepth( const in vec4 v ) {\n\treturn dot( v, unpackfactors );\n}\nfloat viewztoorthographicdepth( const in float viewz, const in float near, const in float far ) {\n\treturn ( viewz + near ) / ( near - far );\n}\nfloat orthographicdepthtoviewz( const in float linearclipz, const in float near, const in float far ) {\n\treturn linearclipz * ( near - far ) - near;\n}\nfloat viewztoperspectivedepth( const in float viewz, const in float near, const in float far ) {\n\treturn (( near + viewz ) * far ) / (( far - near ) * viewz );\n}\nfloat perspectivedepthtoviewz( const in float invclipz, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invclipz - far );\n}\n",xd="#ifdef premultiplied_alpha\n\tgl_fragcolor.rgb *= gl_fragcolor.a;\n#endif\n",yd="#ifdef use_skinning\n\tvec4 mvposition = modelviewmatrix * skinned;\n#else\n\tvec4 mvposition = modelviewmatrix * vec4( transformed, 1.0 );\n#endif\ngl_position = projectionmatrix * mvposition;\n",zd="float roughnessfactor = roughness;\n#ifdef use_roughnessmap\n\tvec4 texelroughness = texture2d( roughnessmap, vuv );\n\troughnessfactor *= texelroughness.r;\n#endif\n",ad="#ifdef use_roughnessmap\n\tuniform sampler2d roughnessmap;\n#endif",bd="#ifdef use_shadowmap\n\t#if num_dir_lights > 0\n\t\tuniform sampler2d directionalshadowmap[ num_dir_lights ];\n\t\tvarying vec4 vdirectionalshadowcoord[ num_dir_lights ];\n\t#endif\n\t#if num_spot_lights > 0\n\t\tuniform sampler2d spotshadowmap[ num_spot_lights ];\n\t\tvarying vec4 vspotshadowcoord[ num_spot_lights ];\n\t#endif\n\t#if num_point_lights > 0\n\t\tuniform sampler2d pointshadowmap[ num_point_lights ];\n\t\tvarying vec4 vpointshadowcoord[ num_point_lights ];\n\t#endif\n\tfloat texture2dcompare( sampler2d depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackrgbatodepth( texture2d( depths, uv ) ) );\n\t}\n\tfloat texture2dshadowlerp( sampler2d depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelsize = vec2( 1.0 ) / size;\n\t\tvec2 centroiduv = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2dcompare( depths, centroiduv + texelsize * offset.xx, compare );\n\t\tfloat lt = texture2dcompare( depths, centroiduv + texelsize * offset.xy, compare );\n\t\tfloat rb = texture2dcompare( depths, centroiduv + texelsize * offset.yx, compare );\n\t\tfloat rt = texture2dcompare( depths, centroiduv + texelsize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getshadow( sampler2d shadowmap, vec2 shadowmapsize, float shadowbias, float shadowradius, vec4 shadowcoord ) {\n\t\tshadowcoord.xyz /= shadowcoord.w;\n\t\tshadowcoord.z += shadowbias;\n\t\tbvec4 infrustumvec = bvec4 ( shadowcoord.x >= 0.0, shadowcoord.x <= 1.0, shadowcoord.y >= 0.0, shadowcoord.y <= 1.0 );\n\t\tbool infrustum = all( infrustumvec );\n\t\tbvec2 frustumtestvec = bvec2( infrustum, shadowcoord.z <= 1.0 );\n\t\tbool frustumtest = all( frustumtestvec );\n\t\tif ( frustumtest ) {\n\t\t#if defined( shadowmap_type_pcf )\n\t\t\tvec2 texelsize = vec2( 1.0 ) / shadowmapsize;\n\t\t\tfloat dx0 = - texelsize.x * shadowradius;\n\t\t\tfloat dy0 = - texelsize.y * shadowradius;\n\t\t\tfloat dx1 = + texelsize.x * shadowradius;\n\t\t\tfloat dy1 = + texelsize.y * shadowradius;\n\t\t\treturn (\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( dx0, dy0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( 0.0, dy0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( dx1, dy0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( dx0, 0.0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy, shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( dx1, 0.0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( dx0, dy1 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( 0.0, dy1 ), shadowcoord.z ) +\n\t\t\t\ttexture2dcompare( shadowmap, shadowcoord.xy + vec2( dx1, dy1 ), shadowcoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( shadowmap_type_pcf_soft )\n\t\t\tvec2 texelsize = vec2( 1.0 ) / shadowmapsize;\n\t\t\tfloat dx0 = - texelsize.x * shadowradius;\n\t\t\tfloat dy0 = - texelsize.y * shadowradius;\n\t\t\tfloat dx1 = + texelsize.x * shadowradius;\n\t\t\tfloat dy1 = + texelsize.y * shadowradius;\n\t\t\treturn (\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( dx0, dy0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( 0.0, dy0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( dx1, dy0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( dx0, 0.0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy, shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( dx1, 0.0 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( dx0, dy1 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( 0.0, dy1 ), shadowcoord.z ) +\n\t\t\t\ttexture2dshadowlerp( shadowmap, shadowmapsize, shadowcoord.xy + vec2( dx1, dy1 ), shadowcoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2dcompare( shadowmap, shadowcoord.xy, shadowcoord.z );\n\t\t#endif\n\t\t}\n\t\treturn 1.0;\n\t}\n\tvec2 cubetouv( vec3 v, float texelsizey ) {\n\t\tvec3 absv = abs( v );\n\t\tfloat scaletocube = 1.0 / max( absv.x, max( absv.y, absv.z ) );\n\t\tabsv *= scaletocube;\n\t\tv *= scaletocube * ( 1.0 - 2.0 * texelsizey );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostatexel = 1.5 * texelsizey;\n\t\tfloat almostone = 1.0 - almostatexel;\n\t\tif ( absv.z >= almostone ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absv.x >= almostone ) {\n\t\t\tfloat signx = sign( v.x );\n\t\t\tplanar.x = v.z * signx + 2.0 * signx;\n\t\t} else if ( absv.y >= almostone ) {\n\t\t\tfloat signy = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signy + 2.0;\n\t\t\tplanar.y = v.z * signy - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getpointshadow( sampler2d shadowmap, vec2 shadowmapsize, float shadowbias, float shadowradius, vec4 shadowcoord ) {\n\t\tvec2 texelsize = vec2( 1.0 ) / ( shadowmapsize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lighttoposition = shadowcoord.xyz;\n\t\tvec3 bd3d = normalize( lighttoposition );\n\t\tfloat dp = ( length( lighttoposition ) - shadowbias ) / 1000.0;\n\t\t#if defined( shadowmap_type_pcf ) || defined( shadowmap_type_pcf_soft )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowradius * texelsize.y;\n\t\t\treturn (\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.xyy, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.yyy, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.xyx, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.yyx, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.xxy, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.yxy, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.xxx, texelsize.y ), dp ) +\n\t\t\t\ttexture2dcompare( shadowmap, cubetouv( bd3d + offset.yxx, texelsize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2dcompare( shadowmap, cubetouv( bd3d, texelsize.y ), dp );\n\t\t#endif\n\t}\n#endif\n",cd="#ifdef use_shadowmap\n\t#if num_dir_lights > 0\n\t\tuniform mat4 directionalshadowmatrix[ num_dir_lights ];\n\t\tvarying vec4 vdirectionalshadowcoord[ num_dir_lights ];\n\t#endif\n\t#if num_spot_lights > 0\n\t\tuniform mat4 spotshadowmatrix[ num_spot_lights ];\n\t\tvarying vec4 vspotshadowcoord[ num_spot_lights ];\n\t#endif\n\t#if num_point_lights > 0\n\t\tuniform mat4 pointshadowmatrix[ num_point_lights ];\n\t\tvarying vec4 vpointshadowcoord[ num_point_lights ];\n\t#endif\n#endif\n",dd="#ifdef use_shadowmap\n\t#if num_dir_lights > 0\n\tfor ( int i = 0; i < num_dir_lights; i ++ ) {\n\t\tvdirectionalshadowcoord[ i ] = directionalshadowmatrix[ i ] * worldposition;\n\t}\n\t#endif\n\t#if num_spot_lights > 0\n\tfor ( int i = 0; i < num_spot_lights; i ++ ) {\n\t\tvspotshadowcoord[ i ] = spotshadowmatrix[ i ] * worldposition;\n\t}\n\t#endif\n\t#if num_point_lights > 0\n\tfor ( int i = 0; i < num_point_lights; i ++ ) {\n\t\tvpointshadowcoord[ i ] = pointshadowmatrix[ i ] * worldposition;\n\t}\n\t#endif\n#endif\n",ed="float getshadowmask() {\n\tfloat shadow = 1.0;\n\t#ifdef use_shadowmap\n\t#if num_dir_lights > 0\n\tdirectionallight directionallight;\n\tfor ( int i = 0; i < num_dir_lights; i ++ ) {\n\t\tdirectionallight = directionallights[ i ];\n\t\tshadow *= bool( directionallight.shadow ) ? getshadow( directionalshadowmap[ i ], directionallight.shadowmapsize, directionallight.shadowbias, directionallight.shadowradius, vdirectionalshadowcoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if num_spot_lights > 0\n\tspotlight spotlight;\n\tfor ( int i = 0; i < num_spot_lights; i ++ ) {\n\t\tspotlight = spotlights[ i ];\n\t\tshadow *= bool( spotlight.shadow ) ? getshadow( spotshadowmap[ i ], spotlight.shadowmapsize, spotlight.shadowbias, spotlight.shadowradius, vspotshadowcoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if num_point_lights > 0\n\tpointlight pointlight;\n\tfor ( int i = 0; i < num_point_lights; i ++ ) {\n\t\tpointlight = pointlights[ i ];\n\t\tshadow *= bool( pointlight.shadow ) ? getpointshadow( pointshadowmap[ i ], pointlight.shadowmapsize, pointlight.shadowbias, pointlight.shadowradius, vpointshadowcoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n",fd="#ifdef use_skinning\n\tmat4 bonematx = getbonematrix( skinindex.x );\n\tmat4 bonematy = getbonematrix( skinindex.y );\n\tmat4 bonematz = getbonematrix( skinindex.z );\n\tmat4 bonematw = getbonematrix( skinindex.w );\n#endif",gd="#ifdef use_skinning\n\tuniform mat4 bindmatrix;\n\tuniform mat4 bindmatrixinverse;\n\t#ifdef bone_texture\n\t\tuniform sampler2d bonetexture;\n\t\tuniform int bonetexturewidth;\n\t\tuniform int bonetextureheight;\n\t\tmat4 getbonematrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( bonetexturewidth ) );\n\t\t\tfloat y = floor( j / float( bonetexturewidth ) );\n\t\t\tfloat dx = 1.0 / float( bonetexturewidth );\n\t\t\tfloat dy = 1.0 / float( bonetextureheight );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2d( bonetexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2d( bonetexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2d( bonetexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2d( bonetexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 bonematrices[ max_bones ];\n\t\tmat4 getbonematrix( const in float i ) {\n\t\t\tmat4 bone = bonematrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n",hd="#ifdef use_skinning\n\tvec4 skinvertex = bindmatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += bonematx * skinvertex * skinweight.x;\n\tskinned += bonematy * skinvertex * skinweight.y;\n\tskinned += bonematz * skinvertex * skinweight.z;\n\tskinned += bonematw * skinvertex * skinweight.w;\n\tskinned  = bindmatrixinverse * skinned;\n#endif\n",id="#ifdef use_skinning\n\tmat4 skinmatrix = mat4( 0.0 );\n\tskinmatrix += skinweight.x * bonematx;\n\tskinmatrix += skinweight.y * bonematy;\n\tskinmatrix += skinweight.z * bonematz;\n\tskinmatrix += skinweight.w * bonematw;\n\tskinmatrix  = bindmatrixinverse * skinmatrix * bindmatrix;\n\tobjectnormal = vec4( skinmatrix * vec4( objectnormal, 0.0 ) ).xyz;\n#endif\n",jd="float specularstrength;\n#ifdef use_specularmap\n\tvec4 texelspecular = texture2d( specularmap, vuv );\n\tspecularstrength = texelspecular.r;\n#else\n\tspecularstrength = 1.0;\n#endif",kd="#ifdef use_specularmap\n\tuniform sampler2d specularmap;\n#endif",ld="#if defined( tone_mapping )\n  gl_fragcolor.rgb = tonemapping( gl_fragcolor.rgb );\n#endif\n",md="#define saturate(a) clamp( a, 0.0, 1.0 )\nuniform float tonemappingexposure;\nuniform float tonemappingwhitepoint;\nvec3 lineartonemapping( vec3 color ) {\n\treturn tonemappingexposure * color;\n}\nvec3 reinhardtonemapping( vec3 color ) {\n\tcolor *= tonemappingexposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define uncharted2helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 uncharted2tonemapping( vec3 color ) {\n\tcolor *= tonemappingexposure;\n\treturn saturate( uncharted2helper( color ) / uncharted2helper( vec3( tonemappingwhitepoint ) ) );\n}\nvec3 optimizedcineontonemapping( vec3 color ) {\n\tcolor *= tonemappingexposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n",nd="#if defined( use_map ) || defined( use_bumpmap ) || defined( use_normalmap ) || defined( use_specularmap ) || defined( use_alphamap ) || defined( use_emissivemap ) || defined( use_roughnessmap ) || defined( use_metalnessmap )\n\tvarying vec2 vuv;\n#endif",od="#if defined( use_map ) || defined( use_bumpmap ) || defined( use_normalmap ) || defined( use_specularmap ) || defined( use_alphamap ) || defined( use_emissivemap ) || defined( use_roughnessmap ) || defined( use_metalnessmap )\n\tvarying vec2 vuv;\n\tuniform vec4 offsetrepeat;\n#endif\n",pd="#if defined( use_map ) || defined( use_bumpmap ) || defined( use_normalmap ) || defined( use_specularmap ) || defined( use_alphamap ) || defined( use_emissivemap ) || defined( use_roughnessmap ) || defined( use_metalnessmap )\n\tvuv = uv * offsetrepeat.zw + offsetrepeat.xy;\n#endif",qd="#if defined( use_lightmap ) || defined( use_aomap )\n\tvarying vec2 vuv2;\n#endif",rd="#if defined( use_lightmap ) || defined( use_aomap )\n\tattribute vec2 uv2;\n\tvarying vec2 vuv2;\n#endif",sd="#if defined( use_lightmap ) || defined( use_aomap )\n\tvuv2 = uv2;\n#endif",td="#if defined( use_envmap ) || defined( phong ) || defined( physical ) || defined( lambert ) || defined ( use_shadowmap )\n\t#ifdef use_skinning\n\t\tvec4 worldposition = modelmatrix * skinned;\n\t#else\n\t\tvec4 worldposition = modelmatrix * vec4( transformed, 1.0 );\n\t#endif\n#endif\n",ud="uniform samplercube tcube;\nuniform float tflip;\nuniform float opacity;\nvarying vec3 vworldposition;\n#include <common>\nvoid main() {\n\tgl_fragcolor = texturecube( tcube, vec3( tflip * vworldposition.x, vworldposition.yz ) );\n\tgl_fragcolor.a *= opacity;\n}\n",vd="varying vec3 vworldposition;\n#include <common>\nvoid main() {\n\tvworldposition = transformdirection( position, modelmatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}\n",wd="#if depth_packing == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffusecolor = vec4( 1.0 );\n\t#if depth_packing == 3200\n\t\tdiffusecolor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\t#if depth_packing == 3200\n\t\tgl_fragcolor = vec4( vec3( gl_fragcoord.z ), opacity );\n\t#elif depth_packing == 3201\n\t\tgl_fragcolor = packdepthtorgba( gl_fragcoord.z );\n\t#endif\n}\n",xd="#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#include <begin_vertex>\n\t#include <displacementmap_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n}\n",yd="uniform vec3 lightpos;\nvarying vec4 vworldposition;\n#include <common>\n#include <packing>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tgl_fragcolor = packdepthtorgba( length( vworldposition.xyz - lightpos.xyz ) / 1000.0 );\n}\n",zd="varying vec4 vworldposition;\n#include <common>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <skinbase_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvworldposition = worldposition;\n}\n",$d="uniform sampler2d tequirect;\nuniform float tflip;\nvarying vec3 vworldposition;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vworldposition );\n\tvec2 sampleuv;\n\tsampleuv.y = saturate( tflip * direction.y * -0.5 + 0.5 );\n\tsampleuv.x = atan( direction.z, direction.x ) * reciprocal_pi2 + 0.5;\n\tgl_fragcolor = texture2d( tequirect, sampleuv );\n}\n",_d="varying vec3 vworldposition;\n#include <common>\nvoid main() {\n\tvworldposition = transformdirection( position, modelmatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}\n",ae="uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashsize;\nuniform float totalsize;\nvarying float vlinedistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vlinedistance, totalsize ) > dashsize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoinglight = vec3( 0.0 );\n\tvec4 diffusecolor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoinglight = diffusecolor.rgb;\n\tgl_fragcolor = vec4( outgoinglight, diffusecolor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",be="uniform float scale;\nattribute float linedistance;\nvarying float vlinedistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\tvlinedistance = scale * linedistance;\n\tvec4 mvposition = modelviewmatrix * vec4( position, 1.0 );\n\tgl_position = projectionmatrix * mvposition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}\n",ce="uniform vec3 diffuse;\nuniform float opacity;\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffusecolor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\treflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef use_lightmap\n\t\treflectedlight.indirectdiffuse += texture2d( lightmap, vuv2 ).xyz * lightmapintensity;\n\t#else\n\t\treflectedlight.indirectdiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedlight.indirectdiffuse *= diffusecolor.rgb;\n\tvec3 outgoinglight = reflectedlight.indirectdiffuse;\n\t#include <normal_flip>\n\t#include <envmap_fragment>\n\tgl_fragcolor = vec4( outgoinglight, diffusecolor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",de="#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef use_envmap\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}\n",ee="uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vlightfront;\n#ifdef double_sided\n\tvarying vec3 vlightback;\n#endif\n#include <common>\n#include <packing>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffusecolor = vec4( diffuse, opacity );\n\treflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalemissiveradiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\treflectedlight.indirectdiffuse = getambientlightirradiance( ambientlightcolor );\n\t#include <lightmap_fragment>\n\treflectedlight.indirectdiffuse *= brdf_diffuse_lambert( diffusecolor.rgb );\n\t#ifdef double_sided\n\t\treflectedlight.directdiffuse = ( gl_frontfacing ) ? vlightfront : vlightback;\n\t#else\n\t\treflectedlight.directdiffuse = vlightfront;\n\t#endif\n\treflectedlight.directdiffuse *= brdf_diffuse_lambert( diffusecolor.rgb ) * getshadowmask();\n\t#include <aomap_fragment>\n\tvec3 outgoinglight = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse + totalemissiveradiance;\n\t#include <normal_flip>\n\t#include <envmap_fragment>\n\tgl_fragcolor = vec4( outgoinglight, diffusecolor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",fe="#define lambert\nvarying vec3 vlightfront;\n#ifdef double_sided\n\tvarying vec3 vlightback;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",ge="#define phong\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffusecolor = vec4( diffuse, opacity );\n\treflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalemissiveradiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_flip>\n\t#include <normal_fragment>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_template>\n\t#include <aomap_fragment>\n\tvec3 outgoinglight = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse + reflectedlight.directspecular + reflectedlight.indirectspecular + totalemissiveradiance;\n\t#include <envmap_fragment>\n\tgl_fragcolor = vec4( outgoinglight, diffusecolor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",he="#define phong\nvarying vec3 vviewposition;\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef flat_shaded\n\tvnormal = normalize( transformednormal );\n#endif\n\t#include <begin_vertex>\n\t#include <displacementmap_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvviewposition = - mvposition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",ie="#define physical\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef standard\n\tuniform float clearcoat;\n\tuniform float clearcoatroughness;\n#endif\nvarying vec3 vviewposition;\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\n#include <common>\n#include <packing>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffusecolor = vec4( diffuse, opacity );\n\treflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalemissiveradiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_flip>\n\t#include <normal_fragment>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_template>\n\t#include <aomap_fragment>\n\tvec3 outgoinglight = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse + reflectedlight.directspecular + reflectedlight.indirectspecular + totalemissiveradiance;\n\tgl_fragcolor = vec4( outgoinglight, diffusecolor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",je="#define physical\nvarying vec3 vviewposition;\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef flat_shaded\n\tvnormal = normalize( transformednormal );\n#endif\n\t#include <begin_vertex>\n\t#include <displacementmap_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvviewposition = - mvposition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",ke="#define normal\nuniform float opacity;\n#if defined( flat_shaded ) || defined( use_bumpmap ) || defined( use_normalmap )\n\tvarying vec3 vviewposition;\n#endif\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\t#include <normal_flip>\n\t#include <normal_fragment>\n\tgl_fragcolor = vec4( packnormaltorgb( normal ), opacity );\n}\n",le="#define normal\n#if defined( flat_shaded ) || defined( use_bumpmap ) || defined( use_normalmap )\n\tvarying vec3 vviewposition;\n#endif\n#ifndef flat_shaded\n\tvarying vec3 vnormal;\n#endif\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef flat_shaded\n\tvnormal = normalize( transformednormal );\n#endif\n\t#include <begin_vertex>\n\t#include <displacementmap_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n#if defined( flat_shaded ) || defined( use_bumpmap ) || defined( use_normalmap )\n\tvviewposition = - mvposition.xyz;\n#endif\n}\n",me="uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoinglight = vec3( 0.0 );\n\tvec4 diffusecolor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoinglight = diffusecolor.rgb;\n\tgl_fragcolor = vec4( outgoinglight, diffusecolor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",ne="uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#ifdef use_sizeattenuation\n\t\tgl_pointsize = size * ( scale / - mvposition.z );\n\t#else\n\t\tgl_pointsize = size;\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",oe="uniform float opacity;\n#include <common>\n#include <packing>\n#include <bsdfs>\n#include <lights_pars>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_fragcolor = vec4( 0.0, 0.0, 0.0, opacity * ( 1.0 - getshadowmask() ) );\n}\n",pe="#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n}\n",qe={
    alphamap_fragment:qc,alphamap_pars_fragment:rc,alphatest_fragment:sc,aomap_fragment:tc,aomap_pars_fragment:uc,begin_vertex:vc,beginnormal_vertex:wc,bsdfs:xc,bumpmap_pars_fragment:yc,clipping_planes_fragment:zc,clipping_planes_pars_fragment:ac,clipping_planes_pars_vertex:bc,clipping_planes_vertex:cc,color_fragment:dc,color_pars_fragment:ec,color_pars_vertex:fc,color_vertex:gc,common:hc,cube_uv_reflection_fragment:ic,defaultnormal_vertex:jc,displacementmap_pars_vertex:kc,displacementmap_vertex:lc,emissivemap_fragment:mc,emissivemap_pars_fragment:nc,encodings_fragment:oc,encodings_pars_fragment:pc,envmap_fragment:qc,envmap_pars_fragment:rc,envmap_pars_vertex:sc,envmap_vertex:tc,fog_vertex:uc,fog_pars_vertex:vc,fog_fragment:wc,fog_pars_fragment:xc,gradientmap_pars_fragment:yc,lightmap_fragment:zc,lightmap_pars_fragment:$c,lights_lambert_vertex:_c,lights_pars:ad,lights_phong_fragment:bd,lights_phong_pars_fragment:cd,lights_physical_fragment:dd,lights_physical_pars_fragment:ed,lights_template:fd,logdepthbuf_fragment:gd,logdepthbuf_pars_fragment:hd,logdepthbuf_pars_vertex:id,logdepthbuf_vertex:jd,map_fragment:kd,map_pars_fragment:ld,map_particle_fragment:md,map_particle_pars_fragment:nd,metalnessmap_fragment:od,metalnessmap_pars_fragment:pd,morphnormal_vertex:qd,morphtarget_pars_vertex:rd,morphtarget_vertex:sd,normal_flip:td,normal_fragment:ud,normalmap_pars_fragment:vd,packing:wd,premultiplied_alpha_fragment:xd,project_vertex:yd,roughnessmap_fragment:zd,roughnessmap_pars_fragment:ad,shadowmap_pars_fragment:bd,shadowmap_pars_vertex:cd,shadowmap_vertex:dd,shadowmask_pars_fragment:ed,skinbase_vertex:fd,skinning_pars_vertex:gd,skinning_vertex:hd,skinnormal_vertex:id,specularmap_fragment:jd,specularmap_pars_fragment:kd,tonemapping_fragment:ld,tonemapping_pars_fragment:md,uv_pars_fragment:nd,uv_pars_vertex:od,uv_vertex:pd,uv2_pars_fragment:qd,uv2_pars_vertex:rd,uv2_vertex:sd,worldpos_vertex:td,cube_frag:ud,cube_vert:vd,depth_frag:wd,depth_vert:xd,distancergba_frag:yd,distancergba_vert:zd,equirect_frag:$d,equirect_vert:_d,linedashed_frag:ae,linedashed_vert:be,meshbasic_frag:ce,meshbasic_vert:de,meshlambert_frag:ee,meshlambert_vert:fe,meshphong_frag:ge,meshphong_vert:he,meshphysical_frag:ie,meshphysical_vert:je,normal_frag:ke,normal_vert:le,points_frag:me,points_vert:ne,shadow_frag:oe,shadow_vert:pe};re.prototype={constructor:re,iscolor:!0,r:1,g:1,b:1,set:function(a){return a&&a.iscolor?this.copy(a):"number"==typeof a?this.sethex(a):"string"==typeof a&&this.setstyle(a),this},setscalar:function(a){return this.r=a,this.g=a,this.b=a,this},sethex:function(a){return a=math.floor(a),this.r=(a>>16&255)/255,this.g=(a>>8&255)/255,this.b=(255&a)/255,this},setrgb:function(a,b,c){return this.r=a,this.g=b,this.b=c,this},sethsl:function(){function a(a,b,c){return c<0&&(c+=1),c>1&&(c-=1),c<1/6?a+6*(b-a)*c:c<.5?b:c<2/3?a+6*(b-a)*(2/3-c):a}return function(c,d,e){if(c=tb.euclideanmodulo(c,1),d=tb.clamp(d,0,1),e=tb.clamp(e,0,1),0===d)this.r=this.g=this.b=e;else{var f=e<=.5?e*(1+d):e+d-e*d,g=2*e-f;this.r=a(g,f,c+1/3),this.g=a(g,f,c),this.b=a(g,f,c-1/3)}return this}}(),setstyle:function(a){function b(b){void 0!==b&&parsefloat(b)<1&&console.warn("three.color: alpha component of "+a+" will be ignored.")}var c;if(c=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(a)){var d,e=c[1],f=c[2];switch(e){case"rgb":case"rgba":if(d=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(f))return this.r=math.min(255,parseint(d[1],10))/255,this.g=math.min(255,parseint(d[2],10))/255,this.b=math.min(255,parseint(d[3],10))/255,b(d[5]),this;if(d=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(f))return this.r=math.min(100,parseint(d[1],10))/100,this.g=math.min(100,parseint(d[2],10))/100,this.b=math.min(100,parseint(d[3],10))/100,b(d[5]),this;break;case"hsl":case"hsla":if(d=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(f)){var g=parsefloat(d[1])/360,h=parseint(d[2],10)/100,i=parseint(d[3],10)/100;return b(d[5]),this.sethsl(g,h,i)}}}else if(c=/^\#([a-fa-f0-9]+)$/.exec(a)){var j=c[1],k=j.length;if(3===k)return this.r=parseint(j.charat(0)+j.charat(0),16)/255,this.g=parseint(j.charat(1)+j.charat(1),16)/255,this.b=parseint(j.charat(2)+j.charat(2),16)/255,this;if(6===k)return this.r=parseint(j.charat(0)+j.charat(1),16)/255,this.g=parseint(j.charat(2)+j.charat(3),16)/255,this.b=parseint(j.charat(4)+j.charat(5),16)/255,this}if(a&&a.length>0){var j=se[a];void 0!==j?this.sethex(j):console.warn("three.color: unknown color "+a)}return this},clone:function(){return new this.constructor(this.r,this.g,this.b)},copy:function(a){return this.r=a.r,this.g=a.g,this.b=a.b,this},copygammatolinear:function(a,b){return void 0===b&&(b=2),this.r=math.pow(a.r,b),this.g=math.pow(a.g,b),this.b=math.pow(a.b,b),this},copylineartogamma:function(a,b){void 0===b&&(b=2);var c=b>0?1/b:1;return this.r=math.pow(a.r,c),this.g=math.pow(a.g,c),this.b=math.pow(a.b,c),this},convertgammatolinear:function(){var a=this.r,b=this.g,c=this.b;return this.r=a*a,this.g=b*b,this.b=c*c,this},convertlineartogamma:function(){return this.r=math.sqrt(this.r),this.g=math.sqrt(this.g),this.b=math.sqrt(this.b),this},gethex:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},gethexstring:function(){return("000000"+this.gethex().tostring(16)).slice(-6)},gethsl:function(a){var h,i,b=a||{h:0,s:0,l:0},c=this.r,d=this.g,e=this.b,f=math.max(c,d,e),g=math.min(c,d,e),j=(g+f)/2;if(g===f)h=0,i=0;else{var k=f-g;switch(i=j<=.5?k/(f+g):k/(2-f-g),f){case c:h=(d-e)/k+(d<e?6:0);break;case d:h=(e-c)/k+2;break;case e:h=(c-d)/k+4}h/=6}return b.h=h,b.s=i,b.l=j,b},getstyle:function(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"},offsethsl:function(a,b,c){var d=this.gethsl();return d.h+=a,d.s+=b,d.l+=c,this.sethsl(d.h,d.s,d.l),this},add:function(a){return this.r+=a.r,this.g+=a.g,this.b+=a.b,this},addcolors:function(a,b){return this.r=a.r+b.r,this.g=a.g+b.g,this.b=a.b+b.b,this},addscalar:function(a){return this.r+=a,this.g+=a,this.b+=a,this},sub:function(a){return this.r=math.max(0,this.r-a.r),this.g=math.max(0,this.g-a.g),this.b=math.max(0,this.b-a.b),this},multiply:function(a){return this.r*=a.r,this.g*=a.g,this.b*=a.b,this},multiplyscalar:function(a){return this.r*=a,this.g*=a,this.b*=a,this},lerp:function(a,b){return this.r+=(a.r-this.r)*b,this.g+=(a.g-this.g)*b,this.b+=(a.b-this.b)*b,this},equals:function(a){return a.r===this.r&&a.g===this.g&&a.b===this.b},fromarray:function(a,b){return void 0===b&&(b=0),this.r=a[b],this.g=a[b+1],this.b=a[b+2],this},toarray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this.r,a[b+1]=this.g,a[b+2]=this.b,a},tojson:function(){return this.gethex()}};var 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ue={common:{diffuse:{value:new re(15658734)},opacity:{value:1},map:{value:null},offsetrepeat:{value:new xb(0,0,1,1)},specularmap:{value:null},alphamap:{value:null},envmap:{value:null},flipenvmap:{value:-1},reflectivity:{value:1},refractionratio:{value:.98}},aomap:{aomap:{value:null},aomapintensity:{value:1}},lightmap:{lightmap:{value:null},lightmapintensity:{value:1}},emissivemap:{emissivemap:{value:null}},bumpmap:{bumpmap:{value:null},bumpscale:{value:1}},normalmap:{normalmap:{value:null},normalscale:{value:new ub(1,1)}},displacementmap:{displacementmap:{value:null},displacementscale:{value:1},displacementbias:{value:0}},roughnessmap:{roughnessmap:{value:null}},metalnessmap:{metalnessmap:{value:null}},gradientmap:{gradientmap:{value:null}},fog:{fogdensity:{value:25e-5},fognear:{value:1},fogfar:{value:2e3},fogcolor:{value:new re(16777215)}},lights:{ambientlightcolor:{value:[]},directionallights:{value:[],properties:{direction:{},color:{},shadow:{},shadowbias:{},shadowradius:{},shadowmapsize:{}}},directionalshadowmap:{value:[]},directionalshadowmatrix:{value:[]},spotlights:{value:[],properties:{color:{},position:{},direction:{},distance:{},conecos:{},penumbracos:{},decay:{},shadow:{},shadowbias:{},shadowradius:{},shadowmapsize:{}}},spotshadowmap:{value:[]},spotshadowmatrix:{value:[]},pointlights:{value:[],properties:{color:{},position:{},decay:{},distance:{},shadow:{},shadowbias:{},shadowradius:{},shadowmapsize:{}}},pointshadowmap:{value:[]},pointshadowmatrix:{value:[]},hemispherelights:{value:[],properties:{direction:{},skycolor:{},groundcolor:{}}},rectarealights:{value:[],properties:{color:{},position:{},width:{},height:{}}}},points:{diffuse:{value:new re(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},offsetrepeat:{value:new xb(0,0,1,1)}}},ve={basic:{uniforms:pc.merge([ue.common,ue.aomap,ue.lightmap,ue.fog]),vertexshader:qe.meshbasic_vert,fragmentshader:qe.meshbasic_frag},lambert:{uniforms:pc.merge([ue.common,ue.aomap,ue.lightmap,ue.emissivemap,ue.fog,ue.lights,{emissive:{value:new re(0)}}]),vertexshader:qe.meshlambert_vert,fragmentshader:qe.meshlambert_frag},phong:{uniforms:pc.merge([ue.common,ue.aomap,ue.lightmap,ue.emissivemap,ue.bumpmap,ue.normalmap,ue.displacementmap,ue.gradientmap,ue.fog,ue.lights,{emissive:{value:new re(0)},specular:{value:new re(1118481)},shininess:{value:30}}]),vertexshader:qe.meshphong_vert,fragmentshader:qe.meshphong_frag},standard:{uniforms:pc.merge([ue.common,ue.aomap,ue.lightmap,ue.emissivemap,ue.bumpmap,ue.normalmap,ue.displacementmap,ue.roughnessmap,ue.metalnessmap,ue.fog,ue.lights,{emissive:{value:new re(0)},roughness:{value:.5},metalness:{value:0},envmapintensity:{value:1}}]),vertexshader:qe.meshphysical_vert,fragmentshader:qe.meshphysical_frag},points:{uniforms:pc.merge([ue.points,ue.fog]),vertexshader:qe.points_vert,fragmentshader:qe.points_frag},dashed:{uniforms:pc.merge([ue.common,ue.fog,{scale:{value:1},dashsize:{value:1},totalsize:{value:2}}]),vertexshader:qe.linedashed_vert,fragmentshader:qe.linedashed_frag},depth:{uniforms:pc.merge([ue.common,ue.displacementmap]),vertexshader:qe.depth_vert,fragmentshader:qe.depth_frag},normal:{uniforms:pc.merge([ue.common,ue.bumpmap,ue.normalmap,ue.displacementmap,{opacity:{value:1}}]),vertexshader:qe.normal_vert,fragmentshader:qe.normal_frag},cube:{uniforms:{tcube:{value:null},tflip:{value:-1},opacity:{value:1}},vertexshader:qe.cube_vert,fragmentshader:qe.cube_frag},equirect:{uniforms:{tequirect:{value:null},tflip:{value:-1}},vertexshader:qe.equirect_vert,fragmentshader:qe.equirect_frag},distancergba:{uniforms:{lightpos:{value:new bb}},vertexshader:qe.distancergba_vert,fragmentshader:qe.distancergba_frag}};ve.physical={uniforms:pc.merge([ve.standard.uniforms,{clearcoat:{value:0},clearcoatroughness:{value:0}}]),vertexshader:qe.meshphysical_vert,fragmentshader:qe.meshphysical_frag},we.prototype={constructor:we,set:function(a,b){return this.min.copy(a),this.max.copy(b),this},setfrompoints:function(a){this.makeempty();for(var b=0,c=a.length;b<c;b++)this.expandbypoint(a[b]);return this},setfromcenterandsize:function(){var a=new ub;return function(c,d){var e=a.copy(d).multiplyscalar(.5);return this.min.copy(c).sub(e),this.max.copy(c).add(e),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.min.copy(a.min),this.max.copy(a.max),this},makeempty:function(){return this.min.x=this.min.y=+(1/0),this.max.x=this.max.y=-(1/0),this},isempty:function(){return this.max.x<this.min.x||this.max.y<this.min.y},getcenter:function(a){var b=a||new ub;return this.isempty()?b.set(0,0):b.addvectors(this.min,this.max).multiplyscalar(.5)},getsize:function(a){var b=a||new ub;return this.isempty()?b.set(0,0):b.subvectors(this.max,this.min)},expandbypoint:function(a){return this.min.min(a),this.max.max(a),this},expandbyvector:function(a){return this.min.sub(a),this.max.add(a),this},expandbyscalar:function(a){return this.min.addscalar(-a),this.max.addscalar(a),this},containspoint:function(a){return!(a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y)},containsbox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y},getparameter:function(a,b){var c=b||new ub;return c.set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y))},intersectsbox:function(a){return!(a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y)},clamppoint:function(a,b){var c=b||new ub;return c.copy(a).clamp(this.min,this.max)},distancetopoint:function(){var a=new ub;return function(c){var d=a.copy(c).clamp(this.min,this.max);return d.sub(c).length()}}(),intersect:function(a){return this.min.max(a.min),this.max.min(a.max),this},union:function(a){return this.min.min(a.min),this.max.max(a.max),this},translate:function(a){return this.min.add(a),this.max.add(a),this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}};var ze=0;ae.prototype={constructor:ae,ismaterial:!0,get needsupdate(){return this._needsupdate},set needsupdate(a){a===!0&&this.update(),this._needsupdate=a},setvalues:function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0!==c){var d=this[b];void 0!==d?d&&d.iscolor?d.set(c):d&&d.isvector3&&c&&c.isvector3?d.copy(c):"overdraw"===b?this[b]=number(c):this[b]=c:console.warn("three."+this.type+": '"+b+"' is not a property of this material.")}else console.warn("three.material: '"+b+"' parameter is undefined.")}},tojson:function(a){function d(a){var b=[];for(var c in a){var d=a[c];delete d.metadata,b.push(d)}return b}var b=void 0===a;b&&(a={textures:{},images:{}});var c={metadata:{version:4.4,type:"material",generator:"material.tojson"}};if(c.uuid=this.uuid,c.type=this.type,""!==this.name&&(c.name=this.name),this.color&&this.color.iscolor&&(c.color=this.color.gethex()),void 0!==this.roughness&&(c.roughness=this.roughness),void 0!==this.metalness&&(c.metalness=this.metalness),this.emissive&&this.emissive.iscolor&&(c.emissive=this.emissive.gethex()),this.specular&&this.specular.iscolor&&(c.specular=this.specular.gethex()),void 0!==this.shininess&&(c.shininess=this.shininess),void 0!==this.clearcoat&&(c.clearcoat=this.clearcoat),void 0!==this.clearcoatroughness&&(c.clearcoatroughness=this.clearcoatroughness),this.map&&this.map.istexture&&(c.map=this.map.tojson(a).uuid),this.alphamap&&this.alphamap.istexture&&(c.alphamap=this.alphamap.tojson(a).uuid),this.lightmap&&this.lightmap.istexture&&(c.lightmap=this.lightmap.tojson(a).uuid),this.bumpmap&&this.bumpmap.istexture&&(c.bumpmap=this.bumpmap.tojson(a).uuid,c.bumpscale=this.bumpscale),this.normalmap&&this.normalmap.istexture&&(c.normalmap=this.normalmap.tojson(a).uuid,c.normalscale=this.normalscale.toarray()),this.displacementmap&&this.displacementmap.istexture&&(c.displacementmap=this.displacementmap.tojson(a).uuid,c.displacementscale=this.displacementscale,c.displacementbias=this.displacementbias),this.roughnessmap&&this.roughnessmap.istexture&&(c.roughnessmap=this.roughnessmap.tojson(a).uuid),this.metalnessmap&&this.metalnessmap.istexture&&(c.metalnessmap=this.metalnessmap.tojson(a).uuid),this.emissivemap&&this.emissivemap.istexture&&(c.emissivemap=this.emissivemap.tojson(a).uuid),this.specularmap&&this.specularmap.istexture&&(c.specularmap=this.specularmap.tojson(a).uuid),this.envmap&&this.envmap.istexture&&(c.envmap=this.envmap.tojson(a).uuid,c.reflectivity=this.reflectivity),this.gradientmap&&this.gradientmap.istexture&&(c.gradientmap=this.gradientmap.tojson(a).uuid),void 0!==this.size&&(c.size=this.size),void 0!==this.sizeattenuation&&(c.sizeattenuation=this.sizeattenuation),this.blending!==w&&(c.blending=this.blending),this.shading!==r&&(c.shading=this.shading),this.side!==n&&(c.side=this.side),this.vertexcolors!==s&&(c.vertexcolors=this.vertexcolors),this.opacity<1&&(c.opacity=this.opacity),this.transparent===!0&&(c.transparent=this.transparent),c.depthfunc=this.depthfunc,c.depthtest=this.depthtest,c.depthwrite=this.depthwrite,this.alphatest>0&&(c.alphatest=this.alphatest),this.premultipliedalpha===!0&&(c.premultipliedalpha=this.premultipliedalpha),this.wireframe===!0&&(c.wireframe=this.wireframe),this.wireframelinewidth>1&&(c.wireframelinewidth=this.wireframelinewidth),"round"!==this.wireframelinecap&&(c.wireframelinecap=this.wireframelinecap),"round"!==this.wireframelinejoin&&(c.wireframelinejoin=this.wireframelinejoin),c.skinning=this.skinning,c.morphtargets=this.morphtargets,b){var e=d(a.textures),f=d(a.images);e.length>0&&(c.textures=e),f.length>0&&(c.images=f)}return c},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name,this.fog=a.fog,this.lights=a.lights,this.blending=a.blending,this.side=a.side,this.shading=a.shading,this.vertexcolors=a.vertexcolors,this.opacity=a.opacity,this.transparent=a.transparent,this.blendsrc=a.blendsrc,this.blenddst=a.blenddst,this.blendequation=a.blendequation,this.blendsrcalpha=a.blendsrcalpha,this.blenddstalpha=a.blenddstalpha,this.blendequationalpha=a.blendequationalpha,this.depthfunc=a.depthfunc,this.depthtest=a.depthtest,this.depthwrite=a.depthwrite,this.colorwrite=a.colorwrite,this.precision=a.precision,this.polygonoffset=a.polygonoffset,this.polygonoffsetfactor=a.polygonoffsetfactor,this.polygonoffsetunits=a.polygonoffsetunits,this.alphatest=a.alphatest,this.premultipliedalpha=a.premultipliedalpha,this.overdraw=a.overdraw,this.visible=a.visible,this.clipshadows=a.clipshadows,this.clipintersection=a.clipintersection;var b=a.clippingplanes,c=null;if(null!==b){var d=b.length;c=new array(d);for(var e=0;e!==d;++e)c[e]=b[e].clone()}return this.clippingplanes=c,this},update:function(){this.dispatchevent({type:"update"})},dispose:function(){this.dispatchevent({type:"dispose"})}},object.assign(ae.prototype,b.prototype),be.prototype=object.create(ae.prototype),be.prototype.constructor=be,be.prototype.isshadermaterial=!0,be.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.fragmentshader=a.fragmentshader,this.vertexshader=a.vertexshader,this.uniforms=pc.clone(a.uniforms),this.defines=a.defines,this.wireframe=a.wireframe,this.wireframelinewidth=a.wireframelinewidth,this.lights=a.lights,this.clipping=a.clipping,this.skinning=a.skinning,this.morphtargets=a.morphtargets,this.morphnormals=a.morphnormals,this.extensions=a.extensions,this},be.prototype.tojson=function(a){var b=ae.prototype.tojson.call(this,a);return b.uniforms=this.uniforms,b.vertexshader=this.vertexshader,b.fragmentshader=this.fragmentshader,b},ce.prototype=object.create(ae.prototype),ce.prototype.constructor=ce,ce.prototype.ismeshdepthmaterial=!0,ce.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.depthpacking=a.depthpacking,this.skinning=a.skinning,this.morphtargets=a.morphtargets,this.map=a.map,this.alphamap=a.alphamap,this.displacementmap=a.displacementmap,this.displacementscale=a.displacementscale,this.displacementbias=a.displacementbias,this.wireframe=a.wireframe,this.wireframelinewidth=a.wireframelinewidth,this},de.prototype={constructor:de,isbox3:!0,set:function(a,b){return this.min.copy(a),this.max.copy(b),this},setfromarray:function(a){for(var b=+(1/0),c=+(1/0),d=+(1/0),e=-(1/0),f=-(1/0),g=-(1/0),h=0,i=a.length;h<i;h+=3){var j=a[h],k=a[h+1],l=a[h+2];j<b&&(b=j),k<c&&(c=k),l<d&&(d=l),j>e&&(e=j),k>f&&(f=k),l>g&&(g=l)}return this.min.set(b,c,d),this.max.set(e,f,g),this},setfrombufferattribute:function(a){for(var b=+(1/0),c=+(1/0),d=+(1/0),e=-(1/0),f=-(1/0),g=-(1/0),h=0,i=a.count;h<i;h++){var j=a.getx(h),k=a.gety(h),l=a.getz(h);j<b&&(b=j),k<c&&(c=k),l<d&&(d=l),j>e&&(e=j),k>f&&(f=k),l>g&&(g=l)}return this.min.set(b,c,d),this.max.set(e,f,g),this},setfrompoints:function(a){this.makeempty();for(var b=0,c=a.length;b<c;b++)this.expandbypoint(a[b]);return this},setfromcenterandsize:function(){var a=new bb;return function(c,d){var e=a.copy(d).multiplyscalar(.5);return this.min.copy(c).sub(e),this.max.copy(c).add(e),this}}(),setfromobject:function(a){return this.makeempty(),this.expandbyobject(a)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.min.copy(a.min),this.max.copy(a.max),this},makeempty:function(){return this.min.x=this.min.y=this.min.z=+(1/0),this.max.x=this.max.y=this.max.z=-(1/0),this},isempty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},getcenter:function(a){var b=a||new bb;return this.isempty()?b.set(0,0,0):b.addvectors(this.min,this.max).multiplyscalar(.5)},getsize:function(a){var b=a||new bb;return this.isempty()?b.set(0,0,0):b.subvectors(this.max,this.min)},expandbypoint:function(a){return this.min.min(a),this.max.max(a),this},expandbyvector:function(a){return this.min.sub(a),this.max.add(a),this},expandbyscalar:function(a){return this.min.addscalar(-a),this.max.addscalar(a),this},expandbyobject:function(){var a=new bb;return function(c){var d=this;return c.updatematrixworld(!0),c.traverse(function(b){var c,e,f=b.geometry;if(void 0!==f)if(f.isgeometry){var g=f.vertices;for(c=0,e=g.length;c<e;c++)a.copy(g[c]),a.applymatrix4(b.matrixworld),d.expandbypoint(a)}else if(f.isbuffergeometry){var h=f.attributes.position;if(void 0!==h)for(c=0,e=h.count;c<e;c++)a.frombufferattribute(h,c).applymatrix4(b.matrixworld),d.expandbypoint(a)}}),this}}(),containspoint:function(a){return!(a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z)},containsbox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getparameter:function(a,b){var c=b||new bb;return c.set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsbox:function(a){return!(a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<this.min.z||a.min.z>this.max.z)},intersectssphere:function(){var a;return function(c){return void 0===a&&(a=new bb),this.clamppoint(c.center,a),a.distancetosquared(c.center)<=c.radius*c.radius}}(),intersectsplane:function(a){var b,c;return a.normal.x>0?(b=a.normal.x*this.min.x,c=a.normal.x*this.max.x):(b=a.normal.x*this.max.x,c=a.normal.x*this.min.x),a.normal.y>0?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y),a.normal.z>0?(b+=a.normal.z*this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z),b<=a.constant&&c>=a.constant},clamppoint:function(a,b){var c=b||new bb;return c.copy(a).clamp(this.min,this.max)},distancetopoint:function(){var a=new bb;return function(c){var d=a.copy(c).clamp(this.min,this.max);return d.sub(c).length()}}(),getboundingsphere:function(){var a=new bb;return function(c){var d=c||new ee;return this.getcenter(d.center),d.radius=.5*this.getsize(a).length(),d}}(),intersect:function(a){return this.min.max(a.min),this.max.min(a.max),this.isempty()&&this.makeempty(),this},union:function(a){return this.min.min(a.min),this.max.max(a.max),this},applymatrix4:function(){var a=[new bb,new bb,new bb,new bb,new bb,new bb,new bb,new bb];return function(c){return this.isempty()?this:(a[0].set(this.min.x,this.min.y,this.min.z).applymatrix4(c),a[1].set(this.min.x,this.min.y,this.max.z).applymatrix4(c),a[2].set(this.min.x,this.max.y,this.min.z).applymatrix4(c),a[3].set(this.min.x,this.max.y,this.max.z).applymatrix4(c),a[4].set(this.max.x,this.min.y,this.min.z).applymatrix4(c),a[5].set(this.max.x,this.min.y,this.max.z).applymatrix4(c),a[6].set(this.max.x,this.max.y,this.min.z).applymatrix4(c),a[7].set(this.max.x,this.max.y,this.max.z).applymatrix4(c),this.setfrompoints(a),this)}}(),translate:function(a){return this.min.add(a),this.max.add(a),this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}},ee.prototype={constructor:ee,set:function(a,b){return this.center.copy(a),this.radius=b,this},setfrompoints:function(){var a;return function(c,d){void 0===a&&(a=new de);var e=this.center;void 0!==d?e.copy(d):a.setfrompoints(c).getcenter(e);for(var f=0,g=0,h=c.length;g<h;g++)f=math.max(f,e.distancetosquared(c[g]));return this.radius=math.sqrt(f),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.center.copy(a.center),this.radius=a.radius,this},empty:function(){return this.radius<=0},containspoint:function(a){return a.distancetosquared(this.center)<=this.radius*this.radius},distancetopoint:function(a){return a.distanceto(this.center)-this.radius},intersectssphere:function(a){var b=this.radius+a.radius;return a.center.distancetosquared(this.center)<=b*b},intersectsbox:function(a){return a.intersectssphere(this)},intersectsplane:function(a){return math.abs(this.center.dot(a.normal)-a.constant)<=this.radius},clamppoint:function(a,b){var c=this.center.distancetosquared(a),d=b||new bb;return d.copy(a),c>this.radius*this.radius&&(d.sub(this.center).normalize(),d.multiplyscalar(this.radius).add(this.center)),d},getboundingbox:function(a){var b=a||new de;return b.set(this.center,this.center),b.expandbyscalar(this.radius),b},applymatrix4:function(a){return this.center.applymatrix4(a),this.radius=this.radius*a.getmaxscaleonaxis(),this},translate:function(a){return this.center.add(a),this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}},fe.prototype={constructor:fe,ismatrix3:!0,set:function(a,b,c,d,e,f,g,h,i){var j=this.elements;return j[0]=a,j[1]=d,j[2]=g,j[3]=b,j[4]=e,j[5]=h,j[6]=c,j[7]=f,j[8]=i,this},identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},clone:function(){return(new this.constructor).fromarray(this.elements)},copy:function(a){var b=a.elements;return this.set(b[0],b[3],b[6],b[1],b[4],b[7],b[2],b[5],b[8]),this},setfrommatrix4:function(a){var b=a.elements;return this.set(b[0],b[4],b[8],b[1],b[5],b[9],b[2],b[6],b[10]),this},applytobufferattribute:function(){var a;return function(c){void 0===a&&(a=new bb);for(var d=0,e=c.count;d<e;d++)a.x=c.getx(d),a.y=c.gety(d),a.z=c.getz(d),a.applymatrix3(this),c.setxyz(d,a.x,a.y,a.z);return c}}(),multiplyscalar:function(a){var b=this.elements;return b[0]*=a,b[3]*=a,b[6]*=a,b[1]*=a,b[4]*=a,b[7]*=a,b[2]*=a,b[5]*=a,b[8]*=a,this},determinant:function(){var a=this.elements,b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],i=a[7],j=a[8];return b*f*j-b*g*i-c*e*j+c*g*h+d*e*i-d*f*h},getinverse:function(a,b){a&&a.ismatrix4&&console.error("three.matrix3.getinverse no longer takes a matrix4 argument.");var c=a.elements,d=this.elements,e=c[0],f=c[1],g=c[2],h=c[3],i=c[4],j=c[5],k=c[6],l=c[7],m=c[8],n=m*i-j*l,o=j*k-m*h,p=l*h-i*k,q=e*n+f*o+g*p;if(0===q){var r="three.matrix3.getinverse(): can't invert matrix, determinant is 0";if(b===!0)throw new error(r);return console.warn(r),this.identity()}var s=1/q;return d[0]=n*s,d[1]=(g*l-m*f)*s,d[2]=(j*f-g*i)*s,d[3]=o*s,d[4]=(m*e-g*k)*s,d[5]=(g*h-j*e)*s,d[6]=p*s,d[7]=(f*k-l*e)*s,d[8]=(i*e-f*h)*s,this},transpose:function(){var a,b=this.elements;return a=b[1],b[1]=b[3],b[3]=a,a=b[2],b[2]=b[6],b[6]=a,a=b[5],b[5]=b[7],b[7]=a,this},getnormalmatrix:function(a){return this.setfrommatrix4(a).getinverse(this).transpose()},transposeintoarray:function(a){var b=this.elements;return a[0]=b[0],a[1]=b[3],a[2]=b[6],a[3]=b[1],a[4]=b[4],a[5]=b[7],a[6]=b[2],a[7]=b[5],a[8]=b[8],this},fromarray:function(a,b){void 0===b&&(b=0);for(var c=0;c<9;c++)this.elements[c]=a[c+b];return this},toarray:function(a,b){void 0===a&&(a=[]),void 0===b&&(b=0);var c=this.elements;return a[b]=c[0],a[b+1]=c[1],a[b+2]=c[2],a[b+3]=c[3],a[b+4]=c[4],a[b+5]=c[5],a[b+6]=c[6],a[b+7]=c[7],a[b+8]=c[8],a}},ge.prototype={constructor:ge,set:function(a,b){return this.normal.copy(a),this.constant=b,this},setcomponents:function(a,b,c,d){return this.normal.set(a,b,c),this.constant=d,this},setfromnormalandcoplanarpoint:function(a,b){return this.normal.copy(a),this.constant=-b.dot(this.normal),this},setfromcoplanarpoints:function(){var a=new bb,b=new bb;return function(d,e,f){var g=a.subvectors(f,e).cross(b.subvectors(d,e)).normalize();return this.setfromnormalandcoplanarpoint(g,d),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.normal.copy(a.normal),this.constant=a.constant,this},normalize:function(){var a=1/this.normal.length();return this.normal.multiplyscalar(a),this.constant*=a,this},negate:function(){return this.constant*=-1,this.normal.negate(),this},distancetopoint:function(a){return this.normal.dot(a)+this.constant},distancetosphere:function(a){return this.distancetopoint(a.center)-a.radius},projectpoint:function(a,b){return this.orthopoint(a,b).sub(a).negate()},orthopoint:function(a,b){var c=this.distancetopoint(a),d=b||new bb;return d.copy(this.normal).multiplyscalar(c)},intersectline:function(){var a=new bb;return function(c,d){var e=d||new bb,f=c.delta(a),g=this.normal.dot(f);if(0!==g){var h=-(c.start.dot(this.normal)+this.constant)/g;if(!(h<0||h>1))return e.copy(f).multiplyscalar(h).add(c.start)}else if(0===this.distancetopoint(c.start))return e.copy(c.start)}}(),intersectsline:function(a){var b=this.distancetopoint(a.start),c=this.distancetopoint(a.end);return b<0&&c>0||c<0&&b>0},intersectsbox:function(a){return a.intersectsplane(this)},intersectssphere:function(a){return a.intersectsplane(this)},coplanarpoint:function(a){var b=a||new bb;return b.copy(this.normal).multiplyscalar(-this.constant)},applymatrix4:function(){var a=new bb,b=new fe;return function(d,e){var f=this.coplanarpoint(a).applymatrix4(d),g=e||b.getnormalmatrix(d),h=this.normal.applymatrix3(g).normalize();return this.constant=-f.dot(h),
    this}}(),translate:function(a){return this.constant=this.constant-a.dot(this.normal),this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}},he.prototype={constructor:he,set:function(a,b,c,d,e,f){var g=this.planes;return g[0].copy(a),g[1].copy(b),g[2].copy(c),g[3].copy(d),g[4].copy(e),g[5].copy(f),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){for(var b=this.planes,c=0;c<6;c++)b[c].copy(a.planes[c]);return this},setfrommatrix:function(a){var b=this.planes,c=a.elements,d=c[0],e=c[1],f=c[2],g=c[3],h=c[4],i=c[5],j=c[6],k=c[7],l=c[8],m=c[9],n=c[10],o=c[11],p=c[12],q=c[13],r=c[14],s=c[15];return b[0].setcomponents(g-d,k-h,o-l,s-p).normalize(),b[1].setcomponents(g+d,k+h,o+l,s+p).normalize(),b[2].setcomponents(g+e,k+i,o+m,s+q).normalize(),b[3].setcomponents(g-e,k-i,o-m,s-q).normalize(),b[4].setcomponents(g-f,k-j,o-n,s-r).normalize(),b[5].setcomponents(g+f,k+j,o+n,s+r).normalize(),this},intersectsobject:function(){var a=new ee;return function(c){var d=c.geometry;return null===d.boundingsphere&&d.computeboundingsphere(),a.copy(d.boundingsphere).applymatrix4(c.matrixworld),this.intersectssphere(a)}}(),intersectssprite:function(){var a=new ee;return function(c){return a.center.set(0,0,0),a.radius=.7071067811865476,a.applymatrix4(c.matrixworld),this.intersectssphere(a)}}(),intersectssphere:function(a){for(var b=this.planes,c=a.center,d=-a.radius,e=0;e<6;e++){var f=b[e].distancetopoint(c);if(f<d)return!1}return!0},intersectsbox:function(){var a=new bb,b=new bb;return function(d){for(var e=this.planes,f=0;f<6;f++){var g=e[f];a.x=g.normal.x>0?d.min.x:d.max.x,b.x=g.normal.x>0?d.max.x:d.min.x,a.y=g.normal.y>0?d.min.y:d.max.y,b.y=g.normal.y>0?d.max.y:d.min.y,a.z=g.normal.z>0?d.min.z:d.max.z,b.z=g.normal.z>0?d.max.z:d.min.z;var h=g.distancetopoint(a),i=g.distancetopoint(b);if(h<0&&i<0)return!1}return!0}}(),containspoint:function(a){for(var b=this.planes,c=0;c<6;c++)if(b[c].distancetopoint(a)<0)return!1;return!0}},je.prototype={constructor:je,set:function(a,b){return this.origin.copy(a),this.direction.copy(b),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.origin.copy(a.origin),this.direction.copy(a.direction),this},at:function(a,b){var c=b||new bb;return c.copy(this.direction).multiplyscalar(a).add(this.origin)},lookat:function(a){return this.direction.copy(a).sub(this.origin).normalize(),this},recast:function(){var a=new bb;return function(c){return this.origin.copy(this.at(c,a)),this}}(),closestpointtopoint:function(a,b){var c=b||new bb;c.subvectors(a,this.origin);var d=c.dot(this.direction);return d<0?c.copy(this.origin):c.copy(this.direction).multiplyscalar(d).add(this.origin)},distancetopoint:function(a){return math.sqrt(this.distancesqtopoint(a))},distancesqtopoint:function(){var a=new bb;return function(c){var d=a.subvectors(c,this.origin).dot(this.direction);return d<0?this.origin.distancetosquared(c):(a.copy(this.direction).multiplyscalar(d).add(this.origin),a.distancetosquared(c))}}(),distancesqtosegment:function(){var a=new bb,b=new bb,c=new bb;return function(e,f,g,h){a.copy(e).add(f).multiplyscalar(.5),b.copy(f).sub(e).normalize(),c.copy(this.origin).sub(a);var o,p,q,r,i=.5*e.distanceto(f),j=-this.direction.dot(b),k=c.dot(this.direction),l=-c.dot(b),m=c.lengthsq(),n=math.abs(1-j*j);if(n>0)if(o=j*l-k,p=j*k-l,r=i*n,o>=0)if(p>=-r)if(p<=r){var s=1/n;o*=s,p*=s,q=o*(o+j*p+2*k)+p*(j*o+p+2*l)+m}else p=i,o=math.max(0,-(j*p+k)),q=-o*o+p*(p+2*l)+m;else p=-i,o=math.max(0,-(j*p+k)),q=-o*o+p*(p+2*l)+m;else p<=-r?(o=math.max(0,-(-j*i+k)),p=o>0?-i:math.min(math.max(-i,-l),i),q=-o*o+p*(p+2*l)+m):p<=r?(o=0,p=math.min(math.max(-i,-l),i),q=p*(p+2*l)+m):(o=math.max(0,-(j*i+k)),p=o>0?i:math.min(math.max(-i,-l),i),q=-o*o+p*(p+2*l)+m);else p=j>0?-i:i,o=math.max(0,-(j*p+k)),q=-o*o+p*(p+2*l)+m;return g&&g.copy(this.direction).multiplyscalar(o).add(this.origin),h&&h.copy(b).multiplyscalar(p).add(a),q}}(),intersectsphere:function(){var a=new bb;return function(c,d){a.subvectors(c.center,this.origin);var e=a.dot(this.direction),f=a.dot(a)-e*e,g=c.radius*c.radius;if(f>g)return null;var h=math.sqrt(g-f),i=e-h,j=e+h;return i<0&&j<0?null:i<0?this.at(j,d):this.at(i,d)}}(),intersectssphere:function(a){return this.distancetopoint(a.center)<=a.radius},distancetoplane:function(a){var b=a.normal.dot(this.direction);if(0===b)return 0===a.distancetopoint(this.origin)?0:null;var c=-(this.origin.dot(a.normal)+a.constant)/b;return c>=0?c:null},intersectplane:function(a,b){var c=this.distancetoplane(a);return null===c?null:this.at(c,b)},intersectsplane:function(a){var b=a.distancetopoint(this.origin);if(0===b)return!0;var c=a.normal.dot(this.direction);return c*b<0},intersectbox:function(a,b){var c,d,e,f,g,h,i=1/this.direction.x,j=1/this.direction.y,k=1/this.direction.z,l=this.origin;return i>=0?(c=(a.min.x-l.x)*i,d=(a.max.x-l.x)*i):(c=(a.max.x-l.x)*i,d=(a.min.x-l.x)*i),j>=0?(e=(a.min.y-l.y)*j,f=(a.max.y-l.y)*j):(e=(a.max.y-l.y)*j,f=(a.min.y-l.y)*j),c>f||e>d?null:((e>c||c!==c)&&(c=e),(f<d||d!==d)&&(d=f),k>=0?(g=(a.min.z-l.z)*k,h=(a.max.z-l.z)*k):(g=(a.max.z-l.z)*k,h=(a.min.z-l.z)*k),c>h||g>d?null:((g>c||c!==c)&&(c=g),(h<d||d!==d)&&(d=h),d<0?null:this.at(c>=0?c:d,b)))},intersectsbox:function(){var a=new bb;return function(c){return null!==this.intersectbox(c,a)}}(),intersecttriangle:function(){var a=new bb,b=new bb,c=new bb,d=new bb;return function(f,g,h,i,j){b.subvectors(g,f),c.subvectors(h,f),d.crossvectors(b,c);var l,k=this.direction.dot(d);if(k>0){if(i)return null;l=1}else{if(!(k<0))return null;l=-1,k=-k}a.subvectors(this.origin,f);var m=l*this.direction.dot(c.crossvectors(a,c));if(m<0)return null;var n=l*this.direction.dot(b.cross(a));if(n<0)return null;if(m+n>k)return null;var o=-l*a.dot(d);return o<0?null:this.at(o/k,j)}}(),applymatrix4:function(a){return this.direction.add(this.origin).applymatrix4(a),this.origin.applymatrix4(a),this.direction.sub(this.origin),this.direction.normalize(),this},equals:function(a){return a.origin.equals(this.origin)&&a.direction.equals(this.direction)}},ke.rotationorders=["xyz","yzx","zxy","xzy","yxz","zyx"],ke.defaultorder="xyz",ke.prototype={constructor:ke,iseuler:!0,get x(){return this._x},set x(a){this._x=a,this.onchangecallback()},get y(){return this._y},set y(a){this._y=a,this.onchangecallback()},get z(){return this._z},set z(a){this._z=a,this.onchangecallback()},get order(){return this._order},set order(a){this._order=a,this.onchangecallback()},set:function(a,b,c,d){return this._x=a,this._y=b,this._z=c,this._order=d||this._order,this.onchangecallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(a){return this._x=a._x,this._y=a._y,this._z=a._z,this._order=a._order,this.onchangecallback(),this},setfromrotationmatrix:function(a,b,c){var d=tb.clamp,e=a.elements,f=e[0],g=e[4],h=e[8],i=e[1],j=e[5],k=e[9],l=e[2],m=e[6],n=e[10];return b=b||this._order,"xyz"===b?(this._y=math.asin(d(h,-1,1)),math.abs(h)<.99999?(this._x=math.atan2(-k,n),this._z=math.atan2(-g,f)):(this._x=math.atan2(m,j),this._z=0)):"yxz"===b?(this._x=math.asin(-d(k,-1,1)),math.abs(k)<.99999?(this._y=math.atan2(h,n),this._z=math.atan2(i,j)):(this._y=math.atan2(-l,f),this._z=0)):"zxy"===b?(this._x=math.asin(d(m,-1,1)),math.abs(m)<.99999?(this._y=math.atan2(-l,n),this._z=math.atan2(-g,j)):(this._y=0,this._z=math.atan2(i,f))):"zyx"===b?(this._y=math.asin(-d(l,-1,1)),math.abs(l)<.99999?(this._x=math.atan2(m,n),this._z=math.atan2(i,f)):(this._x=0,this._z=math.atan2(-g,j))):"yzx"===b?(this._z=math.asin(d(i,-1,1)),math.abs(i)<.99999?(this._x=math.atan2(-k,j),this._y=math.atan2(-l,f)):(this._x=0,this._y=math.atan2(h,n))):"xzy"===b?(this._z=math.asin(-d(g,-1,1)),math.abs(g)<.99999?(this._x=math.atan2(m,j),this._y=math.atan2(h,f)):(this._x=math.atan2(-k,n),this._y=0)):console.warn("three.euler: .setfromrotationmatrix() given unsupported order: "+b),this._order=b,c!==!1&&this.onchangecallback(),this},setfromquaternion:function(){var a;return function(c,d,e){return void 0===a&&(a=new cb),a.makerotationfromquaternion(c),this.setfromrotationmatrix(a,d,e)}}(),setfromvector3:function(a,b){return this.set(a.x,a.y,a.z,b||this._order)},reorder:function(){var a=new ab;return function(c){return a.setfromeuler(this),this.setfromquaternion(a,c)}}(),equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._order===this._order},fromarray:function(a){return this._x=a[0],this._y=a[1],this._z=a[2],void 0!==a[3]&&(this._order=a[3]),this.onchangecallback(),this},toarray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this._x,a[b+1]=this._y,a[b+2]=this._z,a[b+3]=this._order,a},tovector3:function(a){return a?a.set(this._x,this._y,this._z):new bb(this._x,this._y,this._z)},onchange:function(a){return this.onchangecallback=a,this},onchangecallback:function(){}},le.prototype={constructor:le,set:function(a){this.mask=1<<a},enable:function(a){this.mask|=1<<a},toggle:function(a){this.mask^=1<<a},disable:function(a){this.mask&=~(1<<a)},test:function(a){return 0!==(this.mask&a.mask)}};var me=0;ne.defaultup=new bb(0,1,0),ne.defaultmatrixautoupdate=!0,ne.prototype={constructor:ne,isobject3d:!0,applymatrix:function(a){this.matrix.multiplymatrices(a,this.matrix),this.matrix.decompose(this.position,this.quaternion,this.scale)},setrotationfromaxisangle:function(a,b){this.quaternion.setfromaxisangle(a,b)},setrotationfromeuler:function(a){this.quaternion.setfromeuler(a,!0)},setrotationfrommatrix:function(a){this.quaternion.setfromrotationmatrix(a)},setrotationfromquaternion:function(a){this.quaternion.copy(a)},rotateonaxis:function(){var a=new ab;return function(c,d){return a.setfromaxisangle(c,d),this.quaternion.multiply(a),this}}(),rotatex:function(){var a=new bb(1,0,0);return function(c){return this.rotateonaxis(a,c)}}(),rotatey:function(){var a=new bb(0,1,0);return function(c){return this.rotateonaxis(a,c)}}(),rotatez:function(){var a=new bb(0,0,1);return function(c){return this.rotateonaxis(a,c)}}(),translateonaxis:function(){var a=new bb;return function(c,d){return a.copy(c).applyquaternion(this.quaternion),this.position.add(a.multiplyscalar(d)),this}}(),translatex:function(){var a=new bb(1,0,0);return function(c){return this.translateonaxis(a,c)}}(),translatey:function(){var a=new bb(0,1,0);return function(c){return this.translateonaxis(a,c)}}(),translatez:function(){var a=new bb(0,0,1);return function(c){return this.translateonaxis(a,c)}}(),localtoworld:function(a){return a.applymatrix4(this.matrixworld)},worldtolocal:function(){var a=new cb;return function(c){return c.applymatrix4(a.getinverse(this.matrixworld))}}(),lookat:function(){var a=new cb;return function(c){a.lookat(c,this.position,this.up),this.quaternion.setfromrotationmatrix(a)}}(),add:function(a){if(arguments.length>1){for(var b=0;b<arguments.length;b++)this.add(arguments[b]);return this}return a===this?(console.error("three.object3d.add: object can't be added as a child of itself.",a),this):(a&&a.isobject3d?(null!==a.parent&&a.parent.remove(a),a.parent=this,a.dispatchevent({type:"added"}),this.children.push(a)):console.error("three.object3d.add: object not an instance of three.object3d.",a),this)},remove:function(a){if(arguments.length>1)for(var b=0;b<arguments.length;b++)this.remove(arguments[b]);var c=this.children.indexof(a);c!==-1&&(a.parent=null,a.dispatchevent({type:"removed"}),this.children.splice(c,1))},getobjectbyid:function(a){return this.getobjectbyproperty("id",a)},getobjectbyname:function(a){return this.getobjectbyproperty("name",a)},getobjectbyproperty:function(a,b){if(this[a]===b)return this;for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c],f=e.getobjectbyproperty(a,b);if(void 0!==f)return f}},getworldposition:function(a){var b=a||new bb;return this.updatematrixworld(!0),b.setfrommatrixposition(this.matrixworld)},getworldquaternion:function(){var a=new bb,b=new bb;return function(d){var e=d||new ab;return this.updatematrixworld(!0),this.matrixworld.decompose(a,e,b),e}}(),getworldrotation:function(){var a=new ab;return function(c){var d=c||new ke;return this.getworldquaternion(a),d.setfromquaternion(a,this.rotation.order,!1)}}(),getworldscale:function(){var a=new bb,b=new ab;return function(d){var e=d||new bb;return this.updatematrixworld(!0),this.matrixworld.decompose(a,b,e),e}}(),getworlddirection:function(){var a=new ab;return function(c){var d=c||new bb;return this.getworldquaternion(a),d.set(0,0,1).applyquaternion(a)}}(),raycast:function(){},traverse:function(a){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverse(a)},traversevisible:function(a){if(this.visible!==!1){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traversevisible(a)}},traverseancestors:function(a){var b=this.parent;null!==b&&(a(b),b.traverseancestors(a))},updatematrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixworldneedsupdate=!0},updatematrixworld:function(a){this.matrixautoupdate===!0&&this.updatematrix(),this.matrixworldneedsupdate!==!0&&a!==!0||(null===this.parent?this.matrixworld.copy(this.matrix):this.matrixworld.multiplymatrices(this.parent.matrixworld,this.matrix),this.matrixworldneedsupdate=!1,a=!0);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].updatematrixworld(a)},tojson:function(a){function j(a){var b=[];for(var c in a){var d=a[c];delete d.metadata,b.push(d)}return b}var b=void 0===a||""===a,c={};b&&(a={geometries:{},materials:{},textures:{},images:{}},c.metadata={version:4.4,type:"object",generator:"object3d.tojson"});var d={};if(d.uuid=this.uuid,d.type=this.type,""!==this.name&&(d.name=this.name),"{}"!==json.stringify(this.userdata)&&(d.userdata=this.userdata),this.castshadow===!0&&(d.castshadow=!0),this.receiveshadow===!0&&(d.receiveshadow=!0),this.visible===!1&&(d.visible=!1),d.matrix=this.matrix.toarray(),void 0!==this.geometry&&(void 0===a.geometries[this.geometry.uuid]&&(a.geometries[this.geometry.uuid]=this.geometry.tojson(a)),d.geometry=this.geometry.uuid),void 0!==this.material&&(void 0===a.materials[this.material.uuid]&&(a.materials[this.material.uuid]=this.material.tojson(a)),d.material=this.material.uuid),this.children.length>0){d.children=[];for(var e=0;e<this.children.length;e++)d.children.push(this.children[e].tojson(a).object)}if(b){var f=j(a.geometries),g=j(a.materials),h=j(a.textures),i=j(a.images);f.length>0&&(c.geometries=f),g.length>0&&(c.materials=g),h.length>0&&(c.textures=h),i.length>0&&(c.images=i)}return c.object=d,c},clone:function(a){return(new this.constructor).copy(this,a)},copy:function(a,b){if(void 0===b&&(b=!0),this.name=a.name,this.up.copy(a.up),this.position.copy(a.position),this.quaternion.copy(a.quaternion),this.scale.copy(a.scale),this.matrix.copy(a.matrix),this.matrixworld.copy(a.matrixworld),this.matrixautoupdate=a.matrixautoupdate,this.matrixworldneedsupdate=a.matrixworldneedsupdate,this.layers.mask=a.layers.mask,this.visible=a.visible,this.castshadow=a.castshadow,this.receiveshadow=a.receiveshadow,this.frustumculled=a.frustumculled,this.renderorder=a.renderorder,this.userdata=json.parse(json.stringify(a.userdata)),b===!0)for(var c=0;c<a.children.length;c++){var d=a.children[c];this.add(d.clone())}return this}},object.assign(ne.prototype,b.prototype),oe.prototype={constructor:oe,set:function(a,b){return this.start.copy(a),this.end.copy(b),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.start.copy(a.start),this.end.copy(a.end),this},getcenter:function(a){var b=a||new bb;return b.addvectors(this.start,this.end).multiplyscalar(.5)},delta:function(a){var b=a||new bb;return b.subvectors(this.end,this.start)},distancesq:function(){return this.start.distancetosquared(this.end)},distance:function(){return this.start.distanceto(this.end)},at:function(a,b){var c=b||new bb;return this.delta(c).multiplyscalar(a).add(this.start)},closestpointtopointparameter:function(){var a=new bb,b=new bb;return function(d,e){a.subvectors(d,this.start),b.subvectors(this.end,this.start);var f=b.dot(b),g=b.dot(a),h=g/f;return e&&(h=tb.clamp(h,0,1)),h}}(),closestpointtopoint:function(a,b,c){var d=this.closestpointtopointparameter(a,b),e=c||new bb;return this.delta(e).multiplyscalar(d).add(this.start)},applymatrix4:function(a){return this.start.applymatrix4(a),this.end.applymatrix4(a),this},equals:function(a){return a.start.equals(this.start)&&a.end.equals(this.end)}},pe.normal=function(){var a=new bb;return function(c,d,e,f){var g=f||new bb;g.subvectors(e,d),a.subvectors(c,d),g.cross(a);var h=g.lengthsq();return h>0?g.multiplyscalar(1/math.sqrt(h)):g.set(0,0,0)}}(),pe.barycoordfrompoint=function(){var a=new bb,b=new bb,c=new bb;return function(e,f,g,h,i){a.subvectors(h,f),b.subvectors(g,f),c.subvectors(e,f);var j=a.dot(a),k=a.dot(b),l=a.dot(c),m=b.dot(b),n=b.dot(c),o=j*m-k*k,p=i||new bb;if(0===o)return p.set(-2,-1,-1);var q=1/o,r=(m*l-k*n)*q,s=(j*n-k*l)*q;return p.set(1-r-s,s,r)}}(),pe.containspoint=function(){var a=new bb;return function(c,d,e,f){var g=pe.barycoordfrompoint(c,d,e,f,a);return g.x>=0&&g.y>=0&&g.x+g.y<=1}}(),pe.prototype={constructor:pe,set:function(a,b,c){return this.a.copy(a),this.b.copy(b),this.c.copy(c),this},setfrompointsandindices:function(a,b,c,d){return this.a.copy(a[b]),this.b.copy(a[c]),this.c.copy(a[d]),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.a.copy(a.a),this.b.copy(a.b),this.c.copy(a.c),this},area:function(){var a=new bb,b=new bb;return function(){return a.subvectors(this.c,this.b),b.subvectors(this.a,this.b),.5*a.cross(b).length()}}(),midpoint:function(a){var b=a||new bb;return b.addvectors(this.a,this.b).add(this.c).multiplyscalar(1/3)},normal:function(a){return pe.normal(this.a,this.b,this.c,a)},plane:function(a){var b=a||new ge;return b.setfromcoplanarpoints(this.a,this.b,this.c)},barycoordfrompoint:function(a,b){return pe.barycoordfrompoint(a,this.a,this.b,this.c,b)},containspoint:function(a){return pe.containspoint(a,this.a,this.b,this.c)},closestpointtopoint:function(){var a,b,c,d;return function(f,g){void 0===a&&(a=new ge,b=[new oe,new oe,new oe],c=new bb,d=new bb);var h=g||new bb,i=1/0;if(a.setfromcoplanarpoints(this.a,this.b,this.c),a.projectpoint(f,c),this.containspoint(c)===!0)h.copy(c);else{b[0].set(this.a,this.b),b[1].set(this.b,this.c),b[2].set(this.c,this.a);for(var j=0;j<b.length;j++){b[j].closestpointtopoint(c,!0,d);var k=c.distancetosquared(d);k<i&&(i=k,h.copy(d))}}return h}}(),equals:function(a){return a.a.equals(this.a)&&a.b.equals(this.b)&&a.c.equals(this.c)}},qe.prototype={constructor:qe,clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.a=a.a,this.b=a.b,this.c=a.c,this.normal.copy(a.normal),this.color.copy(a.color),this.materialindex=a.materialindex;for(var b=0,c=a.vertexnormals.length;b<c;b++)this.vertexnormals[b]=a.vertexnormals[b].clone();for(var b=0,c=a.vertexcolors.length;b<c;b++)this.vertexcolors[b]=a.vertexcolors[b].clone();return this}},re.prototype=object.create(ae.prototype),re.prototype.constructor=re,re.prototype.ismeshbasicmaterial=!0,re.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.color.copy(a.color),this.map=a.map,this.lightmap=a.lightmap,this.lightmapintensity=a.lightmapintensity,this.aomap=a.aomap,this.aomapintensity=a.aomapintensity,this.specularmap=a.specularmap,this.alphamap=a.alphamap,this.envmap=a.envmap,this.combine=a.combine,this.reflectivity=a.reflectivity,this.refractionratio=a.refractionratio,this.wireframe=a.wireframe,this.wireframelinewidth=a.wireframelinewidth,this.wireframelinecap=a.wireframelinecap,this.wireframelinejoin=a.wireframelinejoin,this.skinning=a.skinning,this.morphtargets=a.morphtargets,this},se.prototype={constructor:se,isbufferattribute:!0,set needsupdate(a){a===!0&&this.version++},setarray:function(a){if(array.isarray(a))throw new typeerror("three.bufferattribute: array should be a typed array.");this.count=void 0!==a?a.length/this.itemsize:0,this.array=a},setdynamic:function(a){return this.dynamic=a,this},copy:function(a){return this.array=new a.array.constructor(a.array),this.itemsize=a.itemsize,this.count=a.count,this.normalized=a.normalized,this.dynamic=a.dynamic,this},copyat:function(a,b,c){a*=this.itemsize,c*=b.itemsize;for(var d=0,e=this.itemsize;d<e;d++)this.array[a+d]=b.array[c+d];return this},copyarray:function(a){return this.array.set(a),this},copycolorsarray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("three.bufferattribute.copycolorsarray(): color is undefined",d),f=new re),b[c++]=f.r,b[c++]=f.g,b[c++]=f.b}return this},copyindicesarray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];b[c++]=f.a,b[c++]=f.b,b[c++]=f.c}return this},copyvector2sarray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("three.bufferattribute.copyvector2sarray(): vector is undefined",d),f=new ub),b[c++]=f.x,b[c++]=f.y}return this},copyvector3sarray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("three.bufferattribute.copyvector3sarray(): vector is undefined",d),f=new bb),b[c++]=f.x,b[c++]=f.y,b[c++]=f.z}return this},copyvector4sarray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("three.bufferattribute.copyvector4sarray(): vector is undefined",d),f=new xb),b[c++]=f.x,b[c++]=f.y,b[c++]=f.z,b[c++]=f.w}return this},set:function(a,b){return void 0===b&&(b=0),this.array.set(a,b),this},getx:function(a){return this.array[a*this.itemsize]},setx:function(a,b){return this.array[a*this.itemsize]=b,this},gety:function(a){return this.array[a*this.itemsize+1]},sety:function(a,b){return this.array[a*this.itemsize+1]=b,this},getz:function(a){return this.array[a*this.itemsize+2]},setz:function(a,b){return this.array[a*this.itemsize+2]=b,this},getw:function(a){return this.array[a*this.itemsize+3]},setw:function(a,b){return this.array[a*this.itemsize+3]=b,this},setxy:function(a,b,c){return a*=this.itemsize,this.array[a+0]=b,this.array[a+1]=c,this},setxyz:function(a,b,c,d){return a*=this.itemsize,this.array[a+0]=b,this.array[a+1]=c,this.array[a+2]=d,this},setxyzw:function(a,b,c,d,e){return a*=this.itemsize,this.array[a+0]=b,this.array[a+1]=c,this.array[a+2]=d,this.array[a+3]=e,this},onupload:function(a){return this.onuploadcallback=a,this},clone:function(){return new this.constructor(this.array,this.itemsize).copy(this)}},te.prototype=object.create(se.prototype),te.prototype.constructor=te,ue.prototype=object.create(se.prototype),ue.prototype.constructor=ue,ve.prototype=object.create(se.prototype),ve.prototype.constructor=ve,we.prototype=object.create(se.prototype),we.prototype.constructor=we,xe.prototype=object.create(se.prototype),xe.prototype.constructor=xe,ye.prototype=object.create(se.prototype),ye.prototype.constructor=ye,ze.prototype=object.create(se.prototype),ze.prototype.constructor=ze,$e.prototype=object.create(se.prototype),$e.prototype.constructor=$e,_e.prototype=object.create(se.prototype),_e.prototype.constructor=_e,object.assign(af.prototype,{computegroups:function(a){for(var b,c=[],d=void 0,e=a.faces,f=0;f<e.length;f++){var g=e[f];g.materialindex!==d&&(d=g.materialindex,void 0!==b&&(b.count=3*f-b.start,c.push(b)),b={start:3*f,materialindex:d})}void 0!==b&&(b.count=3*f-b.start,c.push(b)),this.groups=c},fromgeometry:function(a){var i,b=a.faces,c=a.vertices,d=a.facevertexuvs,e=d[0]&&d[0].length>0,f=d[1]&&d[1].length>0,g=a.morphtargets,h=g.length;if(h>0){i=[];for(var j=0;j<h;j++)i[j]=[];this.morphtargets.position=i}var m,k=a.morphnormals,l=k.length;if(l>0){m=[];for(var j=0;j<l;j++)m[j]=[];this.morphtargets.normal=m}for(var n=a.skinindices,o=a.skinweights,p=n.length===c.length,q=o.length===c.length,j=0;j<b.length;j++){var r=b[j];this.vertices.push(c[r.a],c[r.b],c[r.c]);var s=r.vertexnormals;if(3===s.length)this.normals.push(s[0],s[1],s[2]);else{var t=r.normal;this.normals.push(t,t,t)}var u=r.vertexcolors;if(3===u.length)this.colors.push(u[0],u[1],u[2]);else{var v=r.color;this.colors.push(v,v,v)}if(e===!0){var w=d[0][j];void 0!==w?this.uvs.push(w[0],w[1],w[2]):(console.warn("three.directgeometry.fromgeometry(): undefined vertexuv ",j),this.uvs.push(new ub,new ub,new ub))}if(f===!0){var w=d[1][j];void 0!==w?this.uvs2.push(w[0],w[1],w[2]):(console.warn("three.directgeometry.fromgeometry(): undefined vertexuv2 ",j),this.uvs2.push(new ub,new ub,new ub))}for(var x=0;x<h;x++){var y=g[x].vertices;i[x].push(y[r.a],y[r.b],y[r.c])}for(var x=0;x<l;x++){var z=k[x].vertexnormals[j];m[x].push(z.a,z.b,z.c)}p&&this.skinindices.push(n[r.a],n[r.b],n[r.c]),q&&this.skinweights.push(o[r.a],o[r.b],o[r.c])}return this.computegroups(a),this.verticesneedupdate=a.verticesneedupdate,this.normalsneedupdate=a.normalsneedupdate,this.colorsneedupdate=a.colorsneedupdate,this.uvsneedupdate=a.uvsneedupdate,this.groupsneedupdate=a.groupsneedupdate,this}});var cf=0;ef.prototype={constructor:ef,isgeometry:!0,applymatrix:function(a){for(var b=(new fe).getnormalmatrix(a),c=0,d=this.vertices.length;c<d;c++){var e=this.vertices[c];e.applymatrix4(a)}for(var c=0,d=this.faces.length;c<d;c++){var f=this.faces[c];f.normal.applymatrix3(b).normalize();for(var g=0,h=f.vertexnormals.length;g<h;g++)f.vertexnormals[g].applymatrix3(b).normalize()}return null!==this.boundingbox&&this.computeboundingbox(),null!==this.boundingsphere&&this.computeboundingsphere(),this.verticesneedupdate=!0,this.normalsneedupdate=!0,this},rotatex:function(){var a;return function(c){return void 0===a&&(a=new cb),a.makerotationx(c),this.applymatrix(a),this}}(),rotatey:function(){var a;return function(c){return void 0===a&&(a=new cb),a.makerotationy(c),this.applymatrix(a),this}}(),rotatez:function(){var a;return function(c){return void 0===a&&(a=new cb),a.makerotationz(c),this.applymatrix(a),this}}(),translate:function(){var a;return function(c,d,e){return void 0===a&&(a=new cb),a.maketranslation(c,d,e),this.applymatrix(a),this}}(),scale:function(){var a;return function(c,d,e){return void 0===a&&(a=new cb),a.makescale(c,d,e),this.applymatrix(a),this}}(),lookat:function(){var a;return function(c){void 0===a&&(a=new ne),a.lookat(c),a.updatematrix(),this.applymatrix(a.matrix)}}(),frombuffergeometry:function(a){function o(a,c,d,e){var m=void 0!==f?[j[a].clone(),j[c].clone(),j[d].clone()]:[],n=void 0!==g?[b.colors[a].clone(),b.colors[c].clone(),b.colors[d].clone()]:[],o=new qe(a,c,d,m,n,e);b.faces.push(o),void 0!==h&&b.facevertexuvs[0].push([k[a].clone(),k[c].clone(),k[d].clone()]),void 0!==i&&b.facevertexuvs[1].push([l[a].clone(),l[c].clone(),l[d].clone()])}var b=this,c=null!==a.index?a.index.array:void 0,d=a.attributes,e=d.position.array,f=void 0!==d.normal?d.normal.array:void 0,g=void 0!==d.color?d.color.array:void 0,h=void 0!==d.uv?d.uv.array:void 0,i=void 0!==d.uv2?d.uv2.array:void 0;void 0!==i&&(this.facevertexuvs[1]=[]);for(var j=[],k=[],l=[],m=0,n=0;m<e.length;m+=3,n+=2)b.vertices.push(new bb(e[m],e[m+1],e[m+2])),void 0!==f&&j.push(new bb(f[m],f[m+1],f[m+2])),void 0!==g&&b.colors.push(new re(g[m],g[m+1],g[m+2])),void 0!==h&&k.push(new ub(h[n],h[n+1])),void 0!==i&&l.push(new ub(i[n],i[n+1]));if(void 0!==c){var p=a.groups;if(p.length>0)for(var m=0;m<p.length;m++)for(var q=p[m],r=q.start,s=q.count,n=r,t=r+s;n<t;n+=3)o(c[n],c[n+1],c[n+2],q.materialindex);else for(var m=0;m<c.length;m+=3)o(c[m],c[m+1],c[m+2])}else for(var m=0;m<e.length/3;m+=3)o(m,m+1,m+2);return this.computefacenormals(),null!==a.boundingbox&&(this.boundingbox=a.boundingbox.clone()),null!==a.boundingsphere&&(this.boundingsphere=a.boundingsphere.clone()),this},center:function(){this.computeboundingbox();var a=this.boundingbox.getcenter().negate();return this.translate(a.x,a.y,a.z),a},normalize:function(){this.computeboundingsphere();var a=this.boundingsphere.center,b=this.boundingsphere.radius,c=0===b?1:1/b,d=new cb;return d.set(c,0,0,-c*a.x,0,c,0,-c*a.y,0,0,c,-c*a.z,0,0,0,1),this.applymatrix(d),this},computefacenormals:function(){for(var a=new bb,b=new bb,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],f=this.vertices[e.a],g=this.vertices[e.b],h=this.vertices[e.c];a.subvectors(h,g),b.subvectors(f,g),a.cross(b),a.normalize(),e.normal.copy(a)}},computevertexnormals:function(a){void 0===a&&(a=!0);var b,c,d,e,f,g;for(g=new array(this.vertices.length),b=0,c=this.vertices.length;b<c;b++)g[b]=new bb;if(a){var h,i,j,k=new bb,l=new bb;for(d=0,e=this.faces.length;d<e;d++)f=this.faces[d],h=this.vertices[f.a],i=this.vertices[f.b],j=this.vertices[f.c],k.subvectors(j,i),l.subvectors(h,i),k.cross(l),g[f.a].add(k),g[f.b].add(k),g[f.c].add(k)}else for(this.computefacenormals(),d=0,e=this.faces.length;d<e;d++)f=this.faces[d],g[f.a].add(f.normal),g[f.b].add(f.normal),g[f.c].add(f.normal);for(b=0,c=this.vertices.length;b<c;b++)g[b].normalize();for(d=0,e=this.faces.length;d<e;d++){f=this.faces[d];var m=f.vertexnormals;3===m.length?(m[0].copy(g[f.a]),m[1].copy(g[f.b]),m[2].copy(g[f.c])):(m[0]=g[f.a].clone(),m[1]=g[f.b].clone(),m[2]=g[f.c].clone())}this.faces.length>0&&(this.normalsneedupdate=!0)},computeflatvertexnormals:function(){var a,b,c;for(this.computefacenormals(),a=0,b=this.faces.length;a<b;a++){c=this.faces[a];var d=c.vertexnormals;3===d.length?(d[0].copy(c.normal),d[1].copy(c.normal),d[2].copy(c.normal)):(d[0]=c.normal.clone(),d[1]=c.normal.clone(),d[2]=c.normal.clone())}this.faces.length>0&&(this.normalsneedupdate=!0)},computemorphnormals:function(){var a,b,c,d,e;for(c=0,d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalfacenormal?e.__originalfacenormal.copy(e.normal):e.__originalfacenormal=e.normal.clone(),e.__originalvertexnormals||(e.__originalvertexnormals=[]),a=0,b=e.vertexnormals.length;a<b;a++)e.__originalvertexnormals[a]?e.__originalvertexnormals[a].copy(e.vertexnormals[a]):e.__originalvertexnormals[a]=e.vertexnormals[a].clone();var f=new ef;for(f.faces=this.faces,a=0,b=this.morphtargets.length;a<b;a++){if(!this.morphnormals[a]){this.morphnormals[a]={},this.morphnormals[a].facenormals=[],this.morphnormals[a].vertexnormals=[];var i,j,g=this.morphnormals[a].facenormals,h=this.morphnormals[a].vertexnormals;for(c=0,d=this.faces.length;c<d;c++)i=new bb,j={a:new bb,b:new bb,c:new bb},g.push(i),h.push(j)}var k=this.morphnormals[a];f.vertices=this.morphtargets[a].vertices,f.computefacenormals(),f.computevertexnormals();var i,j;for(c=0,d=this.faces.length;c<d;c++)e=this.faces[c],i=k.facenormals[c],j=k.vertexnormals[c],i.copy(e.normal),j.a.copy(e.vertexnormals[0]),j.b.copy(e.vertexnormals[1]),j.c.copy(e.vertexnormals[2])}for(c=0,d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalfacenormal,e.vertexnormals=e.__originalvertexnormals},computelinedistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)c>0&&(a+=b[c].distanceto(b[c-1])),this.linedistances[c]=a},computeboundingbox:function(){null===this.boundingbox&&(this.boundingbox=new de),this.boundingbox.setfrompoints(this.vertices)},computeboundingsphere:function(){null===this.boundingsphere&&(this.boundingsphere=new ee),this.boundingsphere.setfrompoints(this.vertices)},merge:function(a,b,c){if((a&&a.isgeometry)===!1)return void console.error("three.geometry.merge(): geometry not an instance of three.geometry.",a);var d,e=this.vertices.length,f=this.vertices,g=a.vertices,h=this.faces,i=a.faces,j=this.facevertexuvs[0],k=a.facevertexuvs[0],l=this.colors,m=a.colors;void 0===c&&(c=0),void 0!==b&&(d=(new fe).getnormalmatrix(b));for(var n=0,o=g.length;n<o;n++){var p=g[n],q=p.clone();void 0!==b&&q.applymatrix4(b),f.push(q)}for(var n=0,o=m.length;n<o;n++)l.push(m[n].clone());for(n=0,o=i.length;n<o;n++){var s,t,u,r=i[n],v=r.vertexnormals,w=r.vertexcolors;s=new qe(r.a+e,r.b+e,r.c+e),s.normal.copy(r.normal),void 0!==d&&s.normal.applymatrix3(d).normalize();for(var x=0,y=v.length;x<y;x++)t=v[x].clone(),void 0!==d&&t.applymatrix3(d).normalize(),s.vertexnormals.push(t);s.color.copy(r.color);for(var x=0,y=w.length;x<y;x++)u=w[x],s.vertexcolors.push(u.clone());s.materialindex=r.materialindex+c,h.push(s)}for(n=0,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            o=k.length;n<o;n++){var z=k[n],a=[];if(void 0!==z){for(var x=0,y=z.length;x<y;x++)a.push(z[x].clone());j.push(a)}}},mergemesh:function(a){return(a&&a.ismesh)===!1?void console.error("three.geometry.mergemesh(): mesh not an instance of three.mesh.",a):(a.matrixautoupdate&&a.updatematrix(),void this.merge(a.geometry,a.matrix))},mergevertices:function(){var d,e,h,i,j,k,l,m,a={},b=[],c=[],f=4,g=math.pow(10,f);for(h=0,i=this.vertices.length;h<i;h++)d=this.vertices[h],e=math.round(d.x*g)+"_"+math.round(d.y*g)+"_"+math.round(d.z*g),void 0===a[e]?(a[e]=h,b.push(this.vertices[h]),c[h]=b.length-1):c[h]=c[a[e]];var n=[];for(h=0,i=this.faces.length;h<i;h++){j=this.faces[h],j.a=c[j.a],j.b=c[j.b],j.c=c[j.c],k=[j.a,j.b,j.c];for(var o=0;o<3;o++)if(k[o]===k[(o+1)%3]){n.push(h);break}}for(h=n.length-1;h>=0;h--){var p=n[h];for(this.faces.splice(p,1),l=0,m=this.facevertexuvs.length;l<m;l++)this.facevertexuvs[l].splice(p,1)}var q=this.vertices.length-b.length;return this.vertices=b,q},sortfacesbymaterialindex:function(){function d(a,b){return a.materialindex-b.materialindex}for(var a=this.faces,b=a.length,c=0;c<b;c++)a[c]._id=c;a.sort(d);var g,h,e=this.facevertexuvs[0],f=this.facevertexuvs[1];e&&e.length===b&&(g=[]),f&&f.length===b&&(h=[]);for(var c=0;c<b;c++){var i=a[c]._id;g&&g.push(e[i]),h&&h.push(f[i])}g&&(this.facevertexuvs[0]=g),h&&(this.facevertexuvs[1]=h)},tojson:function(){function z(a,b,c){return c?a|1<<b:a&~(1<<b)}function a(a){var b=a.x.tostring()+a.y.tostring()+a.z.tostring();return void 0!==i[b]?i[b]:(i[b]=h.length/3,h.push(a.x,a.y,a.z),i[b])}function b(a){var b=a.r.tostring()+a.g.tostring()+a.b.tostring();return void 0!==k[b]?k[b]:(k[b]=j.length,j.push(a.gethex()),k[b])}function c(a){var b=a.x.tostring()+a.y.tostring();return void 0!==m[b]?m[b]:(m[b]=l.length/2,l.push(a.x,a.y),m[b])}var a={metadata:{version:4.4,type:"geometry",generator:"geometry.tojson"}};if(a.uuid=this.uuid,a.type=this.type,""!==this.name&&(a.name=this.name),void 0!==this.parameters){var b=this.parameters;for(var c in b)void 0!==b[c]&&(a[c]=b[c]);return a}for(var d=[],e=0;e<this.vertices.length;e++){var f=this.vertices[e];d.push(f.x,f.y,f.z)}for(var g=[],h=[],i={},j=[],k={},l=[],m={},e=0;e<this.faces.length;e++){var n=this.faces[e],o=!0,p=!1,q=void 0!==this.facevertexuvs[0][e],r=n.normal.length()>0,s=n.vertexnormals.length>0,t=1!==n.color.r||1!==n.color.g||1!==n.color.b,u=n.vertexcolors.length>0,v=0;if(v=z(v,0,0),v=z(v,1,o),v=z(v,2,p),v=z(v,3,q),v=z(v,4,r),v=z(v,5,s),v=z(v,6,t),v=z(v,7,u),g.push(v),g.push(n.a,n.b,n.c),g.push(n.materialindex),q){var w=this.facevertexuvs[0][e];g.push(c(w[0]),c(w[1]),c(w[2]))}if(r&&g.push(a(n.normal)),s){var x=n.vertexnormals;g.push(a(x[0]),a(x[1]),a(x[2]))}if(t&&g.push(b(n.color)),u){var y=n.vertexcolors;g.push(b(y[0]),b(y[1]),b(y[2]))}}return a.data={},a.data.vertices=d,a.data.normals=h,j.length>0&&(a.data.colors=j),l.length>0&&(a.data.uvs=[l]),a.data.faces=g,a},clone:function(){return(new ef).copy(this)},copy:function(a){var b,c,d,e,f,g;this.vertices=[],this.colors=[],this.faces=[],this.facevertexuvs=[[]],this.morphtargets=[],this.morphnormals=[],this.skinweights=[],this.skinindices=[],this.linedistances=[],this.boundingbox=null,this.boundingsphere=null,this.name=a.name;var h=a.vertices;for(b=0,c=h.length;b<c;b++)this.vertices.push(h[b].clone());var i=a.colors;for(b=0,c=i.length;b<c;b++)this.colors.push(i[b].clone());var j=a.faces;for(b=0,c=j.length;b<c;b++)this.faces.push(j[b].clone());for(b=0,c=a.facevertexuvs.length;b<c;b++){var k=a.facevertexuvs[b];for(void 0===this.facevertexuvs[b]&&(this.facevertexuvs[b]=[]),d=0,e=k.length;d<e;d++){var l=k[d],m=[];for(f=0,g=l.length;f<g;f++){var n=l[f];m.push(n.clone())}this.facevertexuvs[b].push(m)}}var o=a.morphtargets;for(b=0,c=o.length;b<c;b++){var p={};if(p.name=o[b].name,void 0!==o[b].vertices)for(p.vertices=[],d=0,e=o[b].vertices.length;d<e;d++)p.vertices.push(o[b].vertices[d].clone());if(void 0!==o[b].normals)for(p.normals=[],d=0,e=o[b].normals.length;d<e;d++)p.normals.push(o[b].normals[d].clone());this.morphtargets.push(p)}var q=a.morphnormals;for(b=0,c=q.length;b<c;b++){var r={};if(void 0!==q[b].vertexnormals)for(r.vertexnormals=[],d=0,e=q[b].vertexnormals.length;d<e;d++){var s=q[b].vertexnormals[d],t={};t.a=s.a.clone(),t.b=s.b.clone(),t.c=s.c.clone(),r.vertexnormals.push(t)}if(void 0!==q[b].facenormals)for(r.facenormals=[],d=0,e=q[b].facenormals.length;d<e;d++)r.facenormals.push(q[b].facenormals[d].clone());this.morphnormals.push(r)}var u=a.skinweights;for(b=0,c=u.length;b<c;b++)this.skinweights.push(u[b].clone());var v=a.skinindices;for(b=0,c=v.length;b<c;b++)this.skinindices.push(v[b].clone());var w=a.linedistances;for(b=0,c=w.length;b<c;b++)this.linedistances.push(w[b]);var x=a.boundingbox;null!==x&&(this.boundingbox=x.clone());var y=a.boundingsphere;return null!==y&&(this.boundingsphere=y.clone()),this.elementsneedupdate=a.elementsneedupdate,this.verticesneedupdate=a.verticesneedupdate,this.uvsneedupdate=a.uvsneedupdate,this.normalsneedupdate=a.normalsneedupdate,this.colorsneedupdate=a.colorsneedupdate,this.linedistancesneedupdate=a.linedistancesneedupdate,this.groupsneedupdate=a.groupsneedupdate,this},dispose:function(){this.dispatchevent({type:"dispose"})}},object.assign(ef.prototype,b.prototype),ff.prototype={constructor:ff,isbuffergeometry:!0,getindex:function(){return this.index},setindex:function(a){array.isarray(a)?this.index=new(bf(a)>65535?ze:xe)(a,1):this.index=a},addattribute:function(a,b){return(b&&b.isbufferattribute)===!1&&(b&&b.isinterleavedbufferattribute)===!1?(console.warn("three.buffergeometry: .addattribute() now expects ( name, attribute )."),void this.addattribute(a,new se(arguments[1],arguments[2]))):"index"===a?(console.warn("three.buffergeometry.addattribute: use .setindex() for index attribute."),void this.setindex(b)):(this.attributes[a]=b,this)},getattribute:function(a){return this.attributes[a]},removeattribute:function(a){return delete this.attributes[a],this},addgroup:function(a,b,c){this.groups.push({start:a,count:b,materialindex:void 0!==c?c:0})},cleargroups:function(){this.groups=[]},setdrawrange:function(a,b){this.drawrange.start=a,this.drawrange.count=b},applymatrix:function(a){var b=this.attributes.position;void 0!==b&&(a.applytobufferattribute(b),b.needsupdate=!0);var c=this.attributes.normal;if(void 0!==c){var d=(new fe).getnormalmatrix(a);d.applytobufferattribute(c),c.needsupdate=!0}return null!==this.boundingbox&&this.computeboundingbox(),null!==this.boundingsphere&&this.computeboundingsphere(),this},rotatex:function(){var a;return function(c){return void 0===a&&(a=new cb),a.makerotationx(c),this.applymatrix(a),this}}(),rotatey:function(){var a;return function(c){return void 0===a&&(a=new cb),a.makerotationy(c),this.applymatrix(a),this}}(),rotatez:function(){var a;return function(c){return void 0===a&&(a=new cb),a.makerotationz(c),this.applymatrix(a),this}}(),translate:function(){var a;return function(c,d,e){return void 0===a&&(a=new cb),a.maketranslation(c,d,e),this.applymatrix(a),this}}(),scale:function(){var a;return function(c,d,e){return void 0===a&&(a=new cb),a.makescale(c,d,e),this.applymatrix(a),this}}(),lookat:function(){var a;return function(c){void 0===a&&(a=new ne),a.lookat(c),a.updatematrix(),this.applymatrix(a.matrix)}}(),center:function(){this.computeboundingbox();var a=this.boundingbox.getcenter().negate();return this.translate(a.x,a.y,a.z),a},setfromobject:function(a){var b=a.geometry;if(a.ispoints||a.isline){var c=new $e(3*b.vertices.length,3),d=new $e(3*b.colors.length,3);if(this.addattribute("position",c.copyvector3sarray(b.vertices)),this.addattribute("color",d.copycolorsarray(b.colors)),b.linedistances&&b.linedistances.length===b.vertices.length){var e=new $e(b.linedistances.length,1);this.addattribute("linedistance",e.copyarray(b.linedistances))}null!==b.boundingsphere&&(this.boundingsphere=b.boundingsphere.clone()),null!==b.boundingbox&&(this.boundingbox=b.boundingbox.clone())}else a.ismesh&&b&&b.isgeometry&&this.fromgeometry(b);return this},updatefromobject:function(a){var b=a.geometry;if(a.ismesh){var c=b.__directgeometry;if(b.elementsneedupdate===!0&&(c=void 0,b.elementsneedupdate=!1),void 0===c)return this.fromgeometry(b);c.verticesneedupdate=b.verticesneedupdate,c.normalsneedupdate=b.normalsneedupdate,c.colorsneedupdate=b.colorsneedupdate,c.uvsneedupdate=b.uvsneedupdate,c.groupsneedupdate=b.groupsneedupdate,b.verticesneedupdate=!1,b.normalsneedupdate=!1,b.colorsneedupdate=!1,b.uvsneedupdate=!1,b.groupsneedupdate=!1,b=c}var d;return b.verticesneedupdate===!0&&(d=this.attributes.position,void 0!==d&&(d.copyvector3sarray(b.vertices),d.needsupdate=!0),b.verticesneedupdate=!1),b.normalsneedupdate===!0&&(d=this.attributes.normal,void 0!==d&&(d.copyvector3sarray(b.normals),d.needsupdate=!0),b.normalsneedupdate=!1),b.colorsneedupdate===!0&&(d=this.attributes.color,void 0!==d&&(d.copycolorsarray(b.colors),d.needsupdate=!0),b.colorsneedupdate=!1),b.uvsneedupdate&&(d=this.attributes.uv,void 0!==d&&(d.copyvector2sarray(b.uvs),d.needsupdate=!0),b.uvsneedupdate=!1),b.linedistancesneedupdate&&(d=this.attributes.linedistance,void 0!==d&&(d.copyarray(b.linedistances),d.needsupdate=!0),b.linedistancesneedupdate=!1),b.groupsneedupdate&&(b.computegroups(a.geometry),this.groups=b.groups,b.groupsneedupdate=!1),this},fromgeometry:function(a){return a.__directgeometry=(new af).fromgeometry(a),this.fromdirectgeometry(a.__directgeometry)},fromdirectgeometry:function(a){var b=new float32array(3*a.vertices.length);if(this.addattribute("position",new se(b,3).copyvector3sarray(a.vertices)),a.normals.length>0){var c=new float32array(3*a.normals.length);this.addattribute("normal",new se(c,3).copyvector3sarray(a.normals))}if(a.colors.length>0){var d=new float32array(3*a.colors.length);this.addattribute("color",new se(d,3).copycolorsarray(a.colors))}if(a.uvs.length>0){var e=new float32array(2*a.uvs.length);this.addattribute("uv",new se(e,2).copyvector2sarray(a.uvs))}if(a.uvs2.length>0){var f=new float32array(2*a.uvs2.length);this.addattribute("uv2",new se(f,2).copyvector2sarray(a.uvs2))}if(a.indices.length>0){var g=bf(a.indices)>65535?uint32array:uint16array,h=new g(3*a.indices.length);this.setindex(new se(h,1).copyindicesarray(a.indices))}this.groups=a.groups;for(var i in a.morphtargets){for(var j=[],k=a.morphtargets[i],l=0,m=k.length;l<m;l++){var n=k[l],o=new $e(3*n.length,3);j.push(o.copyvector3sarray(n))}this.morphattributes[i]=j}if(a.skinindices.length>0){var p=new $e(4*a.skinindices.length,4);this.addattribute("skinindex",p.copyvector4sarray(a.skinindices))}if(a.skinweights.length>0){var q=new $e(4*a.skinweights.length,4);this.addattribute("skinweight",q.copyvector4sarray(a.skinweights))}return null!==a.boundingsphere&&(this.boundingsphere=a.boundingsphere.clone()),null!==a.boundingbox&&(this.boundingbox=a.boundingbox.clone()),this},computeboundingbox:function(){null===this.boundingbox&&(this.boundingbox=new de);var a=this.attributes.position;void 0!==a?this.boundingbox.setfrombufferattribute(a):this.boundingbox.makeempty(),(isnan(this.boundingbox.min.x)||isnan(this.boundingbox.min.y)||isnan(this.boundingbox.min.z))&&console.error('three.buffergeometry.computeboundingbox: computed min/max have nan values. the "position" attribute is likely to have nan values.',this)},computeboundingsphere:function(){var a=new de,b=new bb;return function(){null===this.boundingsphere&&(this.boundingsphere=new ee);var d=this.attributes.position;if(d){var e=this.boundingsphere.center;a.setfrombufferattribute(d),a.getcenter(e);for(var f=0,g=0,h=d.count;g<h;g++)b.x=d.getx(g),b.y=d.gety(g),b.z=d.getz(g),f=math.max(f,e.distancetosquared(b));this.boundingsphere.radius=math.sqrt(f),isnan(this.boundingsphere.radius)&&console.error('three.buffergeometry.computeboundingsphere(): computed radius is nan. the "position" attribute is likely to have nan values.',this)}}}(),computefacenormals:function(){},computevertexnormals:function(){var a=this.index,b=this.attributes,c=this.groups;if(b.position){var d=b.position.array;if(void 0===b.normal)this.addattribute("normal",new se(new float32array(d.length),3));else for(var e=b.normal.array,f=0,g=e.length;f<g;f++)e[f]=0;var i,j,k,h=b.normal.array,l=new bb,m=new bb,n=new bb,o=new bb,p=new bb;if(a){var q=a.array;0===c.length&&this.addgroup(0,q.length);for(var r=0,s=c.length;r<s;++r)for(var t=c[r],u=t.start,v=t.count,f=u,g=u+v;f<g;f+=3)i=3*q[f+0],j=3*q[f+1],k=3*q[f+2],l.fromarray(d,i),m.fromarray(d,j),n.fromarray(d,k),o.subvectors(n,m),p.subvectors(l,m),o.cross(p),h[i]+=o.x,h[i+1]+=o.y,h[i+2]+=o.z,h[j]+=o.x,h[j+1]+=o.y,h[j+2]+=o.z,h[k]+=o.x,h[k+1]+=o.y,h[k+2]+=o.z}else for(var f=0,g=d.length;f<g;f+=9)l.fromarray(d,f),m.fromarray(d,f+3),n.fromarray(d,f+6),o.subvectors(n,m),p.subvectors(l,m),o.cross(p),h[f]=o.x,h[f+1]=o.y,h[f+2]=o.z,h[f+3]=o.x,h[f+4]=o.y,h[f+5]=o.z,h[f+6]=o.x,h[f+7]=o.y,h[f+8]=o.z;this.normalizenormals(),b.normal.needsupdate=!0}},merge:function(a,b){if((a&&a.isbuffergeometry)===!1)return void console.error("three.buffergeometry.merge(): geometry not an instance of three.buffergeometry.",a);void 0===b&&(b=0);var c=this.attributes;for(var d in c)if(void 0!==a.attributes[d])for(var e=c[d],f=e.array,g=a.attributes[d],h=g.array,i=g.itemsize,j=0,k=i*b;j<h.length;j++,k++)f[k]=h[j];return this},normalizenormals:function(){for(var b,c,d,e,a=this.attributes.normal.array,f=0,g=a.length;f<g;f+=3)b=a[f],c=a[f+1],d=a[f+2],e=1/math.sqrt(b*b+c*c+d*d),a[f]*=e,a[f+1]*=e,a[f+2]*=e},tononindexed:function(){if(null===this.index)return console.warn("three.buffergeometry.tononindexed(): geometry is already non-indexed."),this;var a=new ff,b=this.index.array,c=this.attributes;for(var d in c){for(var e=c[d],f=e.array,g=e.itemsize,h=new f.constructor(b.length*g),i=0,j=0,k=0,l=b.length;k<l;k++){i=b[k]*g;for(var m=0;m<g;m++)h[j++]=f[i++]}a.addattribute(d,new se(h,g))}return a},tojson:function(){var a={metadata:{version:4.4,type:"buffergeometry",generator:"buffergeometry.tojson"}};if(a.uuid=this.uuid,a.type=this.type,""!==this.name&&(a.name=this.name),void 0!==this.parameters){var b=this.parameters;for(var c in b)void 0!==b[c]&&(a[c]=b[c]);return a}a.data={attributes:{}};var d=this.index;if(null!==d){var e=array.prototype.slice.call(d.array);a.data.index={type:d.array.constructor.name,array:e}}var f=this.attributes;for(var c in f){var g=f[c],e=array.prototype.slice.call(g.array);a.data.attributes[c]={itemsize:g.itemsize,type:g.array.constructor.name,array:e,normalized:g.normalized}}var h=this.groups;h.length>0&&(a.data.groups=json.parse(json.stringify(h)));var i=this.boundingsphere;return null!==i&&(a.data.boundingsphere={center:i.center.toarray(),radius:i.radius}),a},clone:function(){return(new ff).copy(this)},copy:function(a){var b,c,d;this.index=null,this.attributes={},this.morphattributes={},this.groups=[],this.boundingbox=null,this.boundingsphere=null,this.name=a.name;var e=a.index;null!==e&&this.setindex(e.clone());var f=a.attributes;for(b in f){var g=f[b];this.addattribute(b,g.clone())}var h=a.morphattributes;for(b in h){var i=[],j=h[b];for(c=0,d=j.length;c<d;c++)i.push(j[c].clone());this.morphattributes[b]=i}var k=a.groups;for(c=0,d=k.length;c<d;c++){var l=k[c];this.addgroup(l.start,l.count,l.materialindex)}var m=a.boundingbox;null!==m&&(this.boundingbox=m.clone());var n=a.boundingsphere;return null!==n&&(this.boundingsphere=n.clone()),this.drawrange.start=a.drawrange.start,this.drawrange.count=a.drawrange.count,this},dispose:function(){this.dispatchevent({type:"dispose"})}},ff.maxindex=65535,object.assign(ff.prototype,b.prototype),gf.prototype=object.assign(object.create(ne.prototype),{constructor:gf,ismesh:!0,setdrawmode:function(a){this.drawmode=a},copy:function(a){return ne.prototype.copy.call(this,a),this.drawmode=a.drawmode,this},updatemorphtargets:function(){var a=this.geometry.morphtargets;if(void 0!==a&&a.length>0){this.morphtargetinfluences=[],this.morphtargetdictionary={};for(var b=0,c=a.length;b<c;b++)this.morphtargetinfluences.push(0),this.morphtargetdictionary[a[b].name]=b}},raycast:function(){function r(a,b,c,d,e,f,g){return pe.barycoordfrompoint(a,b,c,d,m),e.multiplyscalar(m.x),f.multiplyscalar(m.y),g.multiplyscalar(m.z),e.add(f).add(g),e.clone()}function s(a,b,c,d,e,f,g){var h,i=a.material;if(h=i.side===o?c.intersecttriangle(f,e,d,!0,g):c.intersecttriangle(d,e,f,i.side!==p,g),null===h)return null;q.copy(g),q.applymatrix4(a.matrixworld);var j=b.ray.origin.distanceto(q);return j<b.near||j>b.far?null:{distance:j,point:q.clone(),object:a}}function t(a,b,c,g,h,i,m,o){d.frombufferattribute(g,i),e.frombufferattribute(g,m),f.frombufferattribute(g,o);var p=s(a,b,c,d,e,f,n);return p&&(h&&(j.frombufferattribute(h,i),k.frombufferattribute(h,m),l.frombufferattribute(h,o),p.uv=r(n,d,e,f,j,k,l)),p.face=new qe(i,m,o,pe.normal(d,e,f)),p.faceindex=i),p}var a=new cb,b=new je,c=new ee,d=new bb,e=new bb,f=new bb,g=new bb,h=new bb,i=new bb,j=new ub,k=new ub,l=new ub,m=new bb,n=new bb,q=new bb;return function(o,p){var q=this.geometry,u=this.material,v=this.matrixworld;if(void 0!==u&&(null===q.boundingsphere&&q.computeboundingsphere(),c.copy(q.boundingsphere),c.applymatrix4(v),o.ray.intersectssphere(c)!==!1&&(a.getinverse(v),b.copy(o.ray).applymatrix4(a),null===q.boundingbox||b.intersectsbox(q.boundingbox)!==!1))){var w;if(q.isbuffergeometry){var x,y,z,d,e,a=q.index,b=q.attributes.position,c=q.attributes.uv;if(null!==a)for(d=0,e=a.count;d<e;d+=3)x=a.getx(d),y=a.getx(d+1),z=a.getx(d+2),w=t(this,o,b,b,c,x,y,z),w&&(w.faceindex=math.floor(d/3),p.push(w));else for(d=0,e=b.count;d<e;d+=3)x=d,y=d+1,z=d+2,w=t(this,o,b,b,c,x,y,z),w&&(w.index=x,p.push(w))}else if(q.isgeometry){var f,g,h,m,i=u&&u.ismultimaterial,j=i===!0?u.materials:null,k=q.vertices,l=q.faces,n=q.facevertexuvs[0];n.length>0&&(m=n);for(var o=0,p=l.length;o<p;o++){var q=l[o],r=i===!0?j[q.materialindex]:u;if(void 0!==r){if(f=k[q.a],g=k[q.b],h=k[q.c],r.morphtargets===!0){var s=q.morphtargets,t=this.morphtargetinfluences;d.set(0,0,0),e.set(0,0,0),f.set(0,0,0);for(var u=0,v=s.length;u<v;u++){var w=t[u];if(0!==w){var x=s[u].vertices;d.addscaledvector(g.subvectors(x[q.a],f),w),e.addscaledvector(h.subvectors(x[q.b],g),w),f.addscaledvector(i.subvectors(x[q.c],h),w)}}d.add(f),e.add(g),f.add(h),f=d,g=e,h=f}if(w=s(this,o,b,f,g,h,n)){if(m){var y=m[o];j.copy(y[0]),k.copy(y[1]),l.copy(y[2]),w.uv=r(n,f,g,h,j,k,l)}w.face=q,w.faceindex=o,p.push(w)}}}}}}}(),clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}}),hf.prototype=object.create(ef.prototype),hf.prototype.constructor=hf,jf.prototype=object.create(ff.prototype),jf.prototype.constructor=jf,kf.prototype=object.create(ef.prototype),kf.prototype.constructor=kf,lf.prototype=object.create(ff.prototype),lf.prototype.constructor=lf,mf.prototype=object.create(ne.prototype),mf.prototype.constructor=mf,mf.prototype.iscamera=!0,mf.prototype.getworlddirection=function(){var a=new ab;return function(c){var d=c||new bb;return this.getworldquaternion(a),d.set(0,0,-1).applyquaternion(a)}}(),mf.prototype.lookat=function(){var a=new cb;return function(c){a.lookat(this.position,c,this.up),this.quaternion.setfromrotationmatrix(a)}}(),mf.prototype.clone=function(){return(new this.constructor).copy(this)},mf.prototype.copy=function(a){return ne.prototype.copy.call(this,a),this.matrixworldinverse.copy(a.matrixworldinverse),this.projectionmatrix.copy(a.projectionmatrix),this},nf.prototype=object.assign(object.create(mf.prototype),{constructor:nf,isperspectivecamera:!0,copy:function(a){return mf.prototype.copy.call(this,a),this.fov=a.fov,this.zoom=a.zoom,this.near=a.near,this.far=a.far,this.focus=a.focus,this.aspect=a.aspect,this.view=null===a.view?null:object.assign({},a.view),this.filmgauge=a.filmgauge,this.filmoffset=a.filmoffset,this},setfocallength:function(a){var b=.5*this.getfilmheight()/a;this.fov=2*tb.rad2deg*math.atan(b),this.updateprojectionmatrix()},getfocallength:function(){var a=math.tan(.5*tb.deg2rad*this.fov);return.5*this.getfilmheight()/a},geteffectivefov:function(){return 2*tb.rad2deg*math.atan(math.tan(.5*tb.deg2rad*this.fov)/this.zoom)},getfilmwidth:function(){return this.filmgauge*math.min(this.aspect,1)},getfilmheight:function(){return this.filmgauge/math.max(this.aspect,1)},setviewoffset:function(a,b,c,d,e,f){this.aspect=a/b,this.view={fullwidth:a,fullheight:b,offsetx:c,offsety:d,width:e,height:f},this.updateprojectionmatrix()},clearviewoffset:function(){this.view=null,this.updateprojectionmatrix()},updateprojectionmatrix:function(){var a=this.near,b=a*math.tan(.5*tb.deg2rad*this.fov)/this.zoom,c=2*b,d=this.aspect*c,e=-.5*d,f=this.view;if(null!==f){var g=f.fullwidth,h=f.fullheight;e+=f.offsetx*d/g,b-=f.offsety*c/h,d*=f.width/g,c*=f.height/h}var i=this.filmoffset;0!==i&&(e+=a*i/this.getfilmwidth()),this.projectionmatrix.makeperspective(e,e+d,b,b-c,a,this.far)},tojson:function(a){var b=ne.prototype.tojson.call(this,a);return b.object.fov=this.fov,b.object.zoom=this.zoom,b.object.near=this.near,b.object.far=this.far,b.object.focus=this.focus,b.object.aspect=this.aspect,null!==this.view&&(b.object.view=object.assign({},this.view)),b.object.filmgauge=this.filmgauge,b.object.filmoffset=this.filmoffset,b}}),of.prototype=object.assign(object.create(mf.prototype),{constructor:of,isorthographiccamera:!0,copy:function(a){return mf.prototype.copy.call(this,a),this.left=a.left,this.right=a.right,this.top=a.top,this.bottom=a.bottom,this.near=a.near,this.far=a.far,this.zoom=a.zoom,this.view=null===a.view?null:object.assign({},a.view),this},setviewoffset:function(a,b,c,d,e,f){this.view={fullwidth:a,fullheight:b,offsetx:c,offsety:d,width:e,height:f},this.updateprojectionmatrix()},clearviewoffset:function(){this.view=null,this.updateprojectionmatrix()},updateprojectionmatrix:function(){var a=(this.right-this.left)/(2*this.zoom),b=(this.top-this.bottom)/(2*this.zoom),c=(this.right+this.left)/2,d=(this.top+this.bottom)/2,e=c-a,f=c+a,g=d+b,h=d-b;if(null!==this.view){var i=this.zoom/(this.view.width/this.view.fullwidth),j=this.zoom/(this.view.height/this.view.fullheight),k=(this.right-this.left)/this.view.width,l=(this.top-this.bottom)/this.view.height;e+=k*(this.view.offsetx/i),f=e+k*(this.view.width/i),g-=l*(this.view.offsety/j),h=g-l*(this.view.height/j)}this.projectionmatrix.makeorthographic(e,f,g,h,this.near,this.far)},tojson:function(a){var b=ne.prototype.tojson.call(this,a);return b.object.zoom=this.zoom,b.object.left=this.left,b.object.right=this.right,b.object.top=this.top,b.object.bottom=this.bottom,b.object.near=this.near,b.object.far=this.far,null!==this.view&&(b.object.view=object.assign({},this.view)),b}});var uf=0;rf.prototype.isfogexp2=!0,rf.prototype.clone=function(){return new rf(this.color.gethex(),this.density)},rf.prototype.tojson=function(a){return{type:"fogexp2",color:this.color.gethex(),density:this.density}},sf.prototype.isfog=!0,sf.prototype.clone=function(){return new sf(this.color.gethex(),this.near,this.far)},sf.prototype.tojson=function(a){return{type:"fog",color:this.color.gethex(),near:this.near,far:this.far}},tf.prototype=object.create(ne.prototype),tf.prototype.constructor=tf,tf.prototype.copy=function(a,b){return ne.prototype.copy.call(this,a,b),null!==a.background&&(this.background=a.background.clone()),null!==a.fog&&(this.fog=a.fog.clone()),null!==a.overridematerial&&(this.overridematerial=a.overridematerial.clone()),this.autoupdate=a.autoupdate,this.matrixautoupdate=a.matrixautoupdate,this},tf.prototype.tojson=function(a){var b=ne.prototype.tojson.call(this,a);return null!==this.background&&(b.object.background=this.background.tojson(a)),null!==this.fog&&(b.object.fog=this.fog.tojson()),b},uf.prototype=object.assign(object.create(ne.prototype),{constructor:uf,islensflare:!0,copy:function(a){ne.prototype.copy.call(this,a),this.positionscreen.copy(a.positionscreen),this.customupdatecallback=a.customupdatecallback;for(var b=0,c=a.lensflares.length;b<c;b++)this.lensflares.push(a.lensflares[b]);return this},add:function(a,b,c,d,e,f){void 0===b&&(b=-1),void 0===c&&(c=0),void 0===f&&(f=1),void 0===e&&(e=new re(16777215)),void 0===d&&(d=w),c=math.min(c,math.max(0,c)),this.lensflares.push({texture:a,size:b,distance:c,x:0,y:0,z:0,scale:1,rotation:0,opacity:f,color:e,blending:d})},updatelensflares:function(){var a,c,b=this.lensflares.length,d=2*-this.positionscreen.x,e=2*-this.positionscreen.y;for(a=0;a<b;a++)c=this.lensflares[a],c.x=this.positionscreen.x+d*c.distance,c.y=this.positionscreen.y+e*c.distance,c.wantedrotation=c.x*math.pi*.25,c.rotation+=.25*(c.wantedrotation-c.rotation)}}),vf.prototype=object.create(ae.prototype),vf.prototype.constructor=vf,vf.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.color.copy(a.color),this.map=a.map,this.rotation=a.rotation,this},wf.prototype=object.assign(object.create(ne.prototype),{constructor:wf,issprite:!0,raycast:function(){var a=new bb;return function(c,d){a.setfrommatrixposition(this.matrixworld);var e=c.ray.distancesqtopoint(a),f=this.scale.x*this.scale.y/4;e>f||d.push({distance:math.sqrt(e),point:this.position,face:null,object:this})}}(),clone:function(){return new this.constructor(this.material).copy(this)}}),xf.prototype=object.assign(object.create(ne.prototype),{constructor:xf,copy:function(a){ne.prototype.copy.call(this,a,!1);for(var b=a.levels,c=0,d=b.length;c<d;c++){var e=b[c];this.addlevel(e.object.clone(),e.distance)}return this},addlevel:function(a,b){void 0===b&&(b=0),b=math.abs(b);for(var c=this.levels,d=0;d<c.length&&!(b<c[d].distance);d++);c.splice(d,0,{distance:b,object:a}),this.add(a)},getobjectfordistance:function(a){for(var b=this.levels,c=1,d=b.length;c<d&&!(a<b[c].distance);c++);return b[c-1].object},raycast:function(){var a=new bb;return function(c,d){a.setfrommatrixposition(this.matrixworld);var e=c.ray.origin.distanceto(a);this.getobjectfordistance(e).raycast(c,d)}}(),update:function(){var a=new bb,b=new bb;return function(d){var e=this.levels;if(e.length>1){a.setfrommatrixposition(d.matrixworld),b.setfrommatrixposition(this.matrixworld);var f=a.distanceto(b);e[0].object.visible=!0;for(var g=1,h=e.length;g<h&&f>=e[g].distance;g++)e[g-1].object.visible=!1,e[g].object.visible=!0;for(;g<h;g++)e[g].object.visible=!1}}}(),tojson:function(a){var b=ne.prototype.tojson.call(this,a);b.object.levels=[];for(var c=this.levels,d=0,e=c.length;d<e;d++){var f=c[d];b.object.levels.push({object:f.object.uuid,distance:f.distance})}return b}}),object.assign(yf.prototype,{calculateinverses:function(){this.boneinverses=[];for(var a=0,b=this.bones.length;a<b;a++){var c=new cb;this.bones[a]&&c.getinverse(this.bones[a].matrixworld),this.boneinverses.push(c)}},pose:function(){for(var a,b=0,c=this.bones.length;b<c;b++)a=this.bones[b],a&&a.matrixworld.getinverse(this.boneinverses[b]);for(var b=0,c=this.bones.length;b<c;b++)a=this.bones[b],a&&(a.parent&&a.parent.isbone?(a.matrix.getinverse(a.parent.matrixworld),a.matrix.multiply(a.matrixworld)):a.matrix.copy(a.matrixworld),a.matrix.decompose(a.position,a.quaternion,a.scale))},update:function(){var a=new cb;return function(){for(var c=0,d=this.bones.length;c<d;c++){var e=this.bones[c]?this.bones[c].matrixworld:this.identitymatrix;a.multiplymatrices(e,this.boneinverses[c]),a.toarray(this.bonematrices,16*c)}this.usevertextexture&&(this.bonetexture.needsupdate=!0)}}(),clone:function(){return new yf(this.bones,this.boneinverses,this.usevertextexture)}}),zf.prototype=object.assign(object.create(ne.prototype),{constructor:zf,isbone:!0}),$f.prototype=object.assign(object.create(gf.prototype),{constructor:$f,isskinnedmesh:!0,bind:function(a,b){this.skeleton=a,void 0===b&&(this.updatematrixworld(!0),this.skeleton.calculateinverses(),b=this.matrixworld),this.bindmatrix.copy(b),this.bindmatrixinverse.getinverse(b)},pose:function(){this.skeleton.pose()},normalizeskinweights:function(){if(this.geometry&&this.geometry.isgeometry)for(var a=0;a<this.geometry.skinweights.length;a++){var b=this.geometry.skinweights[a],c=1/b.lengthmanhattan();c!==1/0?b.multiplyscalar(c):b.set(1,0,0,0)}else if(this.geometry&&this.geometry.isbuffergeometry)for(var d=new xb,e=this.geometry.attributes.skinweight,a=0;a<e.count;a++){d.x=e.getx(a),d.y=e.gety(a),d.z=e.getz(a),d.w=e.getw(a);var c=1/d.lengthmanhattan();c!==1/0?d.multiplyscalar(c):d.set(1,0,0,0),e.setxyzw(a,d.x,d.y,d.z,d.w)}},updatematrixworld:function(a){gf.prototype.updatematrixworld.call(this,!0),"attached"===this.bindmode?this.bindmatrixinverse.getinverse(this.matrixworld):"detached"===this.bindmode?this.bindmatrixinverse.getinverse(this.bindmatrix):console.warn("three.skinnedmesh unrecognized bindmode: "+this.bindmode)},clone:function(){return new this.constructor(this.geometry,this.material,this.skeleton.usevertextexture).copy(this)}}),_f.prototype=object.create(ae.prototype),_f.prototype.constructor=_f,_f.prototype.islinebasicmaterial=!0,_f.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.color.copy(a.color),this.linewidth=a.linewidth,this.linecap=a.linecap,this.linejoin=a.linejoin,this},ag.prototype=object.assign(object.create(ne.prototype),{constructor:ag,isline:!0,raycast:function(){var a=new cb,b=new je,c=new ee;return function(e,f){var g=e.lineprecision,h=g*g,i=this.geometry,j=this.matrixworld;if(null===i.boundingsphere&&i.computeboundingsphere(),c.copy(i.boundingsphere),c.applymatrix4(j),e.ray.intersectssphere(c)!==!1){a.getinverse(j),b.copy(e.ray).applymatrix4(a);var k=new bb,l=new bb,m=new bb,n=new bb,o=this&&this.islinesegments?2:1;if(i.isbuffergeometry){var p=i.index,q=i.attributes,r=q.position.array;if(null!==p)for(var s=p.array,t=0,u=s.length-1;t<u;t+=o){var v=s[t],w=s[t+1];k.fromarray(r,3*v),l.fromarray(r,3*w);var x=b.distancesqtosegment(k,l,n,m);if(!(x>h)){n.applymatrix4(this.matrixworld);var y=e.ray.origin.distanceto(n);y<e.near||y>e.far||f.push({distance:y,point:m.clone().applymatrix4(this.matrixworld),index:t,face:null,faceindex:null,object:this})}}else for(var t=0,u=r.length/3-1;t<u;t+=o){k.fromarray(r,3*t),l.fromarray(r,3*t+3);var x=b.distancesqtosegment(k,l,n,m);if(!(x>h)){n.applymatrix4(this.matrixworld);var y=e.ray.origin.distanceto(n);y<e.near||y>e.far||f.push({distance:y,point:m.clone().applymatrix4(this.matrixworld),index:t,face:null,faceindex:null,object:this})}}}else if(i.isgeometry)for(var z=i.vertices,a=z.length,t=0;t<a-1;t+=o){var x=b.distancesqtosegment(z[t],z[t+1],n,m);if(!(x>h)){n.applymatrix4(this.matrixworld);var y=e.ray.origin.distanceto(n);y<e.near||y>e.far||f.push({distance:y,point:m.clone().applymatrix4(this.matrixworld),index:t,face:null,faceindex:null,object:this})}}}}}(),clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}}),bg.prototype=object.assign(object.create(ag.prototype),{constructor:bg,islinesegments:!0}),cg.prototype=object.create(ae.prototype),cg.prototype.constructor=cg,cg.prototype.ispointsmaterial=!0,cg.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.color.copy(a.color),this.map=a.map,this.size=a.size,this.sizeattenuation=a.sizeattenuation,this},dg.prototype=object.assign(object.create(ne.prototype),{constructor:dg,ispoints:!0,raycast:function(){var a=new cb,b=new je,c=new ee;return function(e,f){function n(a,c){var d=b.distancesqtopoint(a);if(d<l){var h=b.closestpointtopoint(a);h.applymatrix4(i);var j=e.ray.origin.distanceto(h);if(j<e.near||j>e.far)return;f.push({distance:j,distancetoray:math.sqrt(d),point:h.clone(),index:c,face:null,object:g})}}var g=this,h=this.geometry,i=this.matrixworld,j=e.params.points.threshold;if(null===h.boundingsphere&&h.computeboundingsphere(),c.copy(h.boundingsphere),c.applymatrix4(i),e.ray.intersectssphere(c)!==!1){a.getinverse(i),b.copy(e.ray).applymatrix4(a);var k=j/((this.scale.x+this.scale.y+this.scale.z)/3),l=k*k,m=new bb;if(h.isbuffergeometry){var o=h.index,p=h.attributes,q=p.position.array;if(null!==o)for(var r=o.array,s=0,t=r.length;s<t;s++){var u=r[s];m.fromarray(q,3*u),n(m,u)}else for(var s=0,v=q.length/3;s<v;s++)m.fromarray(q,3*s),n(m,s)}else for(var w=h.vertices,s=0,v=w.length;s<v;s++)n(w[s],s)}}}(),clone:function(){return new this.constructor(this.geometry,this.material).copy(this);
}}),eg.prototype=object.assign(object.create(ne.prototype),{constructor:eg}),fg.prototype=object.create(wb.prototype),fg.prototype.constructor=fg,gg.prototype=object.create(wb.prototype),gg.prototype.constructor=gg,gg.prototype.iscompressedtexture=!0,hg.prototype=object.create(wb.prototype),hg.prototype.constructor=hg,ig.prototype=object.create(wb.prototype),ig.prototype.constructor=ig,ig.prototype.isdepthtexture=!0,jg.prototype=object.create(ff.prototype),jg.prototype.constructor=jg,kg.prototype=object.create(ef.prototype),kg.prototype.constructor=kg,lg.prototype=object.create(ff.prototype),lg.prototype.constructor=lg,mg.prototype=object.create(ef.prototype),mg.prototype.constructor=mg,ng.prototype=object.create(ff.prototype),ng.prototype.constructor=ng,og.prototype=object.create(ef.prototype),og.prototype.constructor=og,pg.prototype=object.create(ng.prototype),pg.prototype.constructor=pg,qg.prototype=object.create(ef.prototype),qg.prototype.constructor=qg,rg.prototype=object.create(ng.prototype),rg.prototype.constructor=rg,sg.prototype=object.create(ef.prototype),sg.prototype.constructor=sg,tg.prototype=object.create(ng.prototype),tg.prototype.constructor=tg,ug.prototype=object.create(ef.prototype),ug.prototype.constructor=ug,vg.prototype=object.create(ng.prototype),vg.prototype.constructor=vg,wg.prototype=object.create(ef.prototype),wg.prototype.constructor=wg,xg.prototype=object.create(ff.prototype),xg.prototype.constructor=xg,yg.prototype=object.create(ef.prototype),yg.prototype.constructor=yg,zg.prototype=object.create(ff.prototype),zg.prototype.constructor=zg,ag.prototype=object.create(ef.prototype),ag.prototype.constructor=ag,bg.prototype=object.create(ff.prototype),bg.prototype.constructor=bg;var cg={area:function(a){for(var b=a.length,c=0,d=b-1,e=0;e<b;d=e++)c+=a[d].x*a[e].y-a[e].x*a[d].y;return.5*c},triangulate:function(){function a(a,b,c,d,e,f){var g,h,i,j,k,l,m,n,o;if(h=a[f[b]].x,i=a[f[b]].y,j=a[f[c]].x,k=a[f[c]].y,l=a[f[d]].x,m=a[f[d]].y,(j-h)*(m-i)-(k-i)*(l-h)<=0)return!1;var p,q,r,s,t,u,v,w,x,y,z,a,b,c,d;for(p=l-j,q=m-k,r=h-l,s=i-m,t=j-h,u=k-i,g=0;g<e;g++)if(n=a[f[g]].x,o=a[f[g]].y,!(n===h&&o===i||n===j&&o===k||n===l&&o===m)&&(v=n-h,w=o-i,x=n-j,y=o-k,z=n-l,a=o-m,d=p*y-q*x,b=t*w-u*v,c=r*a-s*z,d>=-number.epsilon&&c>=-number.epsilon&&b>=-number.epsilon))return!1;return!0}return function(c,d){var e=c.length;if(e<3)return null;var i,j,k,f=[],g=[],h=[];if(cg.area(c)>0)for(j=0;j<e;j++)g[j]=j;else for(j=0;j<e;j++)g[j]=e-1-j;var l=e,m=2*l;for(j=l-1;l>2;){if(m--<=0)return console.warn("three.shapeutils: unable to triangulate polygon! in triangulate()"),d?h:f;if(i=j,l<=i&&(i=0),j=i+1,l<=j&&(j=0),k=j+1,l<=k&&(k=0),a(c,i,j,k,l,g)){var n,o,p,q,r;for(n=g[i],o=g[j],p=g[k],f.push([c[n],c[o],c[p]]),h.push([g[i],g[j],g[k]]),q=j,r=j+1;r<l;q++,r++)g[q]=g[r];l--,m=2*l}}return d?h:f}}(),triangulateshape:function(a,b){function c(a){var b=a.length;b>2&&a[b-1].equals(a[0])&&a.pop()}function d(a,b,c){return a.x!==b.x?a.x<b.x?a.x<=c.x&&c.x<=b.x:b.x<=c.x&&c.x<=a.x:a.y<b.y?a.y<=c.y&&c.y<=b.y:b.y<=c.y&&c.y<=a.y}function e(a,b,c,e,f){var g=b.x-a.x,h=b.y-a.y,i=e.x-c.x,j=e.y-c.y,k=a.x-c.x,l=a.y-c.y,m=h*i-g*j,n=h*k-g*l;if(math.abs(m)>number.epsilon){var o;if(m>0){if(n<0||n>m)return[];if(o=j*k-i*l,o<0||o>m)return[]}else{if(n>0||n<m)return[];if(o=j*k-i*l,o>0||o<m)return[]}if(0===o)return!f||0!==n&&n!==m?[a]:[];if(o===m)return!f||0!==n&&n!==m?[b]:[];if(0===n)return[c];if(n===m)return[e];var p=o/m;return[{x:a.x+p*g,y:a.y+p*h}]}if(0!==n||j*k!==i*l)return[];var q=0===g&&0===h,r=0===i&&0===j;if(q&&r)return a.x!==c.x||a.y!==c.y?[]:[a];if(q)return d(c,e,a)?[a]:[];if(r)return d(a,b,c)?[c]:[];var s,t,u,v,w,x,y,z;return 0!==g?(a.x<b.x?(s=a,u=a.x,t=b,v=b.x):(s=b,u=b.x,t=a,v=a.x),c.x<e.x?(w=c,y=c.x,x=e,z=e.x):(w=e,y=e.x,x=c,z=c.x)):(a.y<b.y?(s=a,u=a.y,t=b,v=b.y):(s=b,u=b.y,t=a,v=a.y),c.y<e.y?(w=c,y=c.y,x=e,z=e.y):(w=e,y=e.y,x=c,z=c.y)),u<=y?v<y?[]:v===y?f?[]:[w]:v<=z?[w,t]:[w,x]:u>z?[]:u===z?f?[]:[s]:v<=z?[s,t]:[s,x]}function f(a,b,c,d){var e=b.x-a.x,f=b.y-a.y,g=c.x-a.x,h=c.y-a.y,i=d.x-a.x,j=d.y-a.y,k=e*h-f*g,l=e*j-f*i;if(math.abs(k)>number.epsilon){var m=i*h-j*g;return k>0?l>=0&&m>=0:l>=0||m>=0}return l>0}function g(a,b){function g(a,b){var e=c.length-1,g=a-1;g<0&&(g=e);var h=a+1;h>e&&(h=0);var i=f(c[a],c[g],c[h],d[b]);if(!i)return!1;var j=d.length-1,k=b-1;k<0&&(k=j);var l=b+1;return l>j&&(l=0),i=f(d[b],d[k],d[l],c[a]),!!i}function h(a,b){var d,f,g;for(d=0;d<c.length;d++)if(f=d+1,f%=c.length,g=e(a,b,c[d],c[f],!0),g.length>0)return!0;return!1}function j(a,c){var d,f,g,h,j;for(d=0;d<i.length;d++)for(f=b[i[d]],g=0;g<f.length;g++)if(h=g+1,h%=f.length,j=e(a,c,f[g],f[h],!0),j.length>0)return!0;return!1}for(var d,k,l,m,n,o,p,r,s,t,u,c=a.concat(),i=[],q=[],v=0,w=b.length;v<w;v++)i.push(v);for(var x=0,y=2*i.length;i.length>0;){if(y--,y<0){console.log("infinite loop! holes left:"+i.length+", probably hole outside shape!");break}for(l=x;l<c.length;l++){m=c[l],k=-1;for(var v=0;v<i.length;v++)if(o=i[v],p=m.x+":"+m.y+":"+o,void 0===q[p]){d=b[o];for(var z=0;z<d.length;z++)if(n=d[z],g(l,z)&&!h(m,n)&&!j(m,n)){k=z,i.splice(v,1),r=c.slice(0,l+1),s=c.slice(l),t=d.slice(k),u=d.slice(0,k+1),c=r.concat(t).concat(u).concat(s),x=l;break}if(k>=0)break;q[p]=!0}if(k>=0)break}}return c}c(a),b.foreach(c);for(var h,i,j,k,l,m,n={},o=a.concat(),p=0,q=b.length;p<q;p++)array.prototype.push.apply(o,b[p]);for(h=0,i=o.length;h<i;h++)l=o[h].x+":"+o[h].y,void 0!==n[l]&&console.warn("three.shapeutils: duplicate point",l,h),n[l]=h;var r=g(a,b),s=cg.triangulate(r,!1);for(h=0,i=s.length;h<i;h++)for(k=s[h],j=0;j<3;j++)l=k[j].x+":"+k[j].y,m=n[l],void 0!==m&&(k[j]=m);return s.concat()},isclockwise:function(a){return cg.area(a)<0}};dg.prototype=object.create(ef.prototype),dg.prototype.constructor=dg,dg.prototype.addshapelist=function(a,b){for(var c=a.length,d=0;d<c;d++){var e=a[d];this.addshape(e,b)}},dg.prototype.addshape=function(a,b){function c(a,b,c){return b||console.error("three.extrudegeometry: vec does not exist"),b.clone().multiplyscalar(c).add(a)}function l(a,b,c){var d,e,f=1,g=a.x-b.x,h=a.y-b.y,i=c.x-a.x,j=c.y-a.y,k=g*g+h*h,l=g*j-h*i;if(math.abs(l)>number.epsilon){var m=math.sqrt(k),n=math.sqrt(i*i+j*j),o=b.x-h/m,p=b.y+g/m,q=c.x-j/n,r=c.y+i/n,s=((q-o)*j-(r-p)*i)/(g*j-h*i);d=o+g*s-a.x,e=p+h*s-a.y;var t=d*d+e*e;if(t<=2)return new ub(d,e);f=math.sqrt(t/2)}else{var u=!1;g>number.epsilon?i>number.epsilon&&(u=!0):g<-number.epsilon?i<-number.epsilon&&(u=!0):math.sign(h)===math.sign(j)&&(u=!0),u?(d=-h,e=g,f=math.sqrt(k)):(d=g,e=h,f=math.sqrt(k/2))}return new ub(d/f,e/f)}function v(){if(g){var a=0,b=i*a;for(n=0;n<k;n++)j=a[n],z(j[2]+b,j[1]+b,j[0]+b);for(a=i+2*f,b=i*a,n=0;n<k;n++)j=a[n],z(j[0]+b,j[1]+b,j[2]+b)}else{for(n=0;n<k;n++)j=a[n],z(j[2],j[1],j[0]);for(n=0;n<k;n++)j=a[n],z(j[0]+i*i,j[1]+i*i,j[2]+i*i)}}function w(){var a=0;for(x(b,a),a+=b.length,s=0,t=y.length;s<t;s++)r=y[s],x(r,a),a+=r.length}function x(a,b){var c,d;for(n=a.length;--n>=0;){c=n,d=n-1,d<0&&(d=a.length-1);var e=0,g=i+2*f;for(e=0;e<g;e++){var h=i*e,j=i*(e+1),k=b+c+h,l=b+d+h,m=b+d+j,n=b+c+j;$(k,l,m,n,a,e,g,c,d)}}}function y(a,b,c){u.vertices.push(new bb(a,b,c))}function z(a,b,c){a+=v,b+=v,c+=v,u.faces.push(new qe(a,b,c,null,null,0));var d=m.generatetopuv(u,a,b,c);u.facevertexuvs[0].push(d)}function $(a,b,c,d,e,f,g,h,i){a+=v,b+=v,c+=v,d+=v,u.faces.push(new qe(a,b,d,null,null,1)),u.faces.push(new qe(b,c,d,null,null,1));var j=m.generatesidewalluv(u,a,b,c,d);u.facevertexuvs[0].push([j[0],j[1],j[3]]),u.facevertexuvs[0].push([j[1],j[2],j[3]])}var k,n,o,p,q,c=void 0!==b.amount?b.amount:100,d=void 0!==b.bevelthickness?b.bevelthickness:6,e=void 0!==b.bevelsize?b.bevelsize:d-2,f=void 0!==b.bevelsegments?b.bevelsegments:3,g=void 0===b.bevelenabled||b.bevelenabled,h=void 0!==b.curvesegments?b.curvesegments:12,i=void 0!==b.steps?b.steps:1,j=b.extrudepath,l=!1,m=void 0!==b.uvgenerator?b.uvgenerator:dg.worlduvgenerator;j&&(k=j.getspacedpoints(i),l=!0,g=!1,n=void 0!==b.frames?b.frames:j.computefrenetframes(i,!1),o=new bb,p=new bb,q=new bb),g||(f=0,d=0,e=0);var r,s,t,u=this,v=this.vertices.length,w=a.extractpoints(h),x=w.shape,y=w.holes,z=!cg.isclockwise(x);if(z){for(x=x.reverse(),s=0,t=y.length;s<t;s++)r=y[s],cg.isclockwise(r)&&(y[s]=r.reverse());z=!1}var a=cg.triangulateshape(x,y),b=x;for(s=0,t=y.length;s<t;s++)r=y[s],x=x.concat(r);for(var d,e,f,g,h,j,i=x.length,k=a.length,m=[],n=0,o=b.length,p=o-1,q=n+1;n<o;n++,p++,q++)p===o&&(p=0),q===o&&(q=0),m[n]=l(b[n],b[p],b[q]);var s,r=[],t=m.concat();for(s=0,t=y.length;s<t;s++){for(r=y[s],s=[],n=0,o=r.length,p=o-1,q=n+1;n<o;n++,p++,q++)p===o&&(p=0),q===o&&(q=0),s[n]=l(r[n],r[p],r[q]);r.push(s),t=t.concat(s)}for(d=0;d<f;d++){for(f=d/f,g=d*math.cos(f*math.pi/2),e=e*math.sin(f*math.pi/2),n=0,o=b.length;n<o;n++)h=c(b[n],m[n],e),y(h.x,h.y,-g);for(s=0,t=y.length;s<t;s++)for(r=y[s],s=r[s],n=0,o=r.length;n<o;n++)h=c(r[n],s[n],e),y(h.x,h.y,-g)}for(e=e,n=0;n<i;n++)h=g?c(x[n],t[n],e):x[n],l?(p.copy(n.normals[0]).multiplyscalar(h.x),o.copy(n.binormals[0]).multiplyscalar(h.y),q.copy(k[0]).add(p).add(o),y(q.x,q.y,q.z)):y(h.x,h.y,0);var u;for(u=1;u<=i;u++)for(n=0;n<i;n++)h=g?c(x[n],t[n],e):x[n],l?(p.copy(n.normals[u]).multiplyscalar(h.x),o.copy(n.binormals[u]).multiplyscalar(h.y),q.copy(k[u]).add(p).add(o),y(q.x,q.y,q.z)):y(h.x,h.y,c/i*u);for(d=f-1;d>=0;d--){for(f=d/f,g=d*math.cos(f*math.pi/2),e=e*math.sin(f*math.pi/2),n=0,o=b.length;n<o;n++)h=c(b[n],m[n],e),y(h.x,h.y,c+g);for(s=0,t=y.length;s<t;s++)for(r=y[s],s=r[s],n=0,o=r.length;n<o;n++)h=c(r[n],s[n],e),l?y(h.x,h.y+k[i-1].y,k[i-1].x+g):y(h.x,h.y,c+g)}v(),w()},dg.worlduvgenerator={generatetopuv:function(a,b,c,d){var e=a.vertices,f=e[b],g=e[c],h=e[d];return[new ub(f.x,f.y),new ub(g.x,g.y),new ub(h.x,h.y)]},generatesidewalluv:function(a,b,c,d,e){var f=a.vertices,g=f[b],h=f[c],i=f[d],j=f[e];return math.abs(g.y-h.y)<.01?[new ub(g.x,1-g.z),new ub(h.x,1-h.z),new ub(i.x,1-i.z),new ub(j.x,1-j.z)]:[new ub(g.y,1-g.z),new ub(h.y,1-h.z),new ub(i.y,1-i.z),new ub(j.y,1-j.z)]}},eg.prototype=object.create(dg.prototype),eg.prototype.constructor=eg,fg.prototype=object.create(ef.prototype),fg.prototype.constructor=fg,gg.prototype=object.create(ff.prototype),gg.prototype.constructor=gg,hg.prototype=object.create(ef.prototype),hg.prototype.constructor=hg,ig.prototype=object.create(ff.prototype),ig.prototype.constructor=ig,jg.prototype=object.create(ef.prototype),jg.prototype.constructor=jg,kg.prototype=object.create(ff.prototype),kg.prototype.constructor=kg,lg.prototype=object.create(ef.prototype),lg.prototype.constructor=lg,mg.prototype=object.create(ff.prototype),mg.prototype.constructor=mg,ng.prototype=object.create(ff.prototype),ng.prototype.constructor=ng,og.prototype=object.create(ef.prototype),og.prototype.constructor=og,pg.prototype=object.create(ff.prototype),pg.prototype.constructor=pg,qg.prototype=object.create(og.prototype),qg.prototype.constructor=qg,rg.prototype=object.create(pg.prototype),rg.prototype.constructor=rg,sg.prototype=object.create(ef.prototype),sg.prototype.constructor=sg,tg.prototype=object.create(ff.prototype),tg.prototype.constructor=tg;var ug=object.freeze({wireframegeometry:jg,parametricgeometry:kg,parametricbuffergeometry:lg,tetrahedrongeometry:og,tetrahedronbuffergeometry:pg,octahedrongeometry:qg,octahedronbuffergeometry:rg,icosahedrongeometry:sg,icosahedronbuffergeometry:tg,dodecahedrongeometry:ug,dodecahedronbuffergeometry:vg,polyhedrongeometry:mg,polyhedronbuffergeometry:ng,tubegeometry:wg,tubebuffergeometry:xg,torusknotgeometry:yg,torusknotbuffergeometry:zg,torusgeometry:ag,torusbuffergeometry:bg,textgeometry:eg,spheregeometry:fg,spherebuffergeometry:gg,ringgeometry:hg,ringbuffergeometry:ig,planegeometry:kf,planebuffergeometry:lf,lathegeometry:jg,lathebuffergeometry:kg,shapegeometry:lg,shapebuffergeometry:mg,extrudegeometry:dg,edgesgeometry:ng,conegeometry:qg,conebuffergeometry:rg,cylindergeometry:og,cylinderbuffergeometry:pg,circlegeometry:sg,circlebuffergeometry:tg,boxgeometry:hf,boxbuffergeometry:jf});vg.prototype=object.create(be.prototype),vg.prototype.constructor=vg,vg.prototype.isshadowmaterial=!0,wg.prototype=object.create(be.prototype),wg.prototype.constructor=wg,wg.prototype.israwshadermaterial=!0,xg.prototype={constructor:xg,ismultimaterial:!0,tojson:function(a){for(var b={metadata:{version:4.2,type:"material",generator:"materialexporter"},uuid:this.uuid,type:this.type,materials:[]},c=this.materials,d=0,e=c.length;d<e;d++){var f=c[d].tojson(a);delete f.metadata,b.materials.push(f)}return b.visible=this.visible,b},clone:function(){for(var a=new this.constructor,b=0;b<this.materials.length;b++)a.materials.push(this.materials[b].clone());return a.visible=this.visible,a}},yg.prototype=object.create(ae.prototype),yg.prototype.constructor=yg,yg.prototype.ismeshstandardmaterial=!0,yg.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.defines={standard:""},this.color.copy(a.color),this.roughness=a.roughness,this.metalness=a.metalness,this.map=a.map,this.lightmap=a.lightmap,this.lightmapintensity=a.lightmapintensity,this.aomap=a.aomap,this.aomapintensity=a.aomapintensity,this.emissive.copy(a.emissive),this.emissivemap=a.emissivemap,this.emissiveintensity=a.emissiveintensity,this.bumpmap=a.bumpmap,this.bumpscale=a.bumpscale,this.normalmap=a.normalmap,this.normalscale.copy(a.normalscale),this.displacementmap=a.displacementmap,this.displacementscale=a.displacementscale,this.displacementbias=a.displacementbias,this.roughnessmap=a.roughnessmap,this.metalnessmap=a.metalnessmap,this.alphamap=a.alphamap,this.envmap=a.envmap,this.envmapintensity=a.envmapintensity,this.refractionratio=a.refractionratio,this.wireframe=a.wireframe,this.wireframelinewidth=a.wireframelinewidth,this.wireframelinecap=a.wireframelinecap,this.wireframelinejoin=a.wireframelinejoin,this.skinning=a.skinning,this.morphtargets=a.morphtargets,this.morphnormals=a.morphnormals,this},zg.prototype=object.create(yg.prototype),zg.prototype.constructor=zg,zg.prototype.ismeshphysicalmaterial=!0,zg.prototype.copy=function(a){return yg.prototype.copy.call(this,a),this.defines={physical:""},this.reflectivity=a.reflectivity,this.clearcoat=a.clearcoat,this.clearcoatroughness=a.clearcoatroughness,this},$g.prototype=object.create(ae.prototype),$g.prototype.constructor=$g,$g.prototype.ismeshphongmaterial=!0,$g.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.color.copy(a.color),this.specular.copy(a.specular),this.shininess=a.shininess,this.map=a.map,this.lightmap=a.lightmap,this.lightmapintensity=a.lightmapintensity,this.aomap=a.aomap,this.aomapintensity=a.aomapintensity,this.emissive.copy(a.emissive),this.emissivemap=a.emissivemap,this.emissiveintensity=a.emissiveintensity,this.bumpmap=a.bumpmap,this.bumpscale=a.bumpscale,this.normalmap=a.normalmap,this.normalscale.copy(a.normalscale),this.displacementmap=a.displacementmap,this.displacementscale=a.displacementscale,this.displacementbias=a.displacementbias,this.specularmap=a.specularmap,this.alphamap=a.alphamap,this.envmap=a.envmap,this.combine=a.combine,this.reflectivity=a.reflectivity,this.refractionratio=a.refractionratio,this.wireframe=a.wireframe,this.wireframelinewidth=a.wireframelinewidth,this.wireframelinecap=a.wireframelinecap,this.wireframelinejoin=a.wireframelinejoin,this.skinning=a.skinning,this.morphtargets=a.morphtargets,this.morphnormals=a.morphnormals,this},_g.prototype=object.create($g.prototype),_g.prototype.constructor=_g,_g.prototype.ismeshtoonmaterial=!0,_g.prototype.copy=function(a){return 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ae.prototype.copy.call(this,a),this.color.copy(a.color),this.map=a.map,this.lightmap=a.lightmap,this.lightmapintensity=a.lightmapintensity,this.aomap=a.aomap,this.aomapintensity=a.aomapintensity,this.emissive.copy(a.emissive),this.emissivemap=a.emissivemap,this.emissiveintensity=a.emissiveintensity,this.specularmap=a.specularmap,this.alphamap=a.alphamap,this.envmap=a.envmap,this.combine=a.combine,this.reflectivity=a.reflectivity,this.refractionratio=a.refractionratio,this.wireframe=a.wireframe,this.wireframelinewidth=a.wireframelinewidth,this.wireframelinecap=a.wireframelinecap,this.wireframelinejoin=a.wireframelinejoin,this.skinning=a.skinning,this.morphtargets=a.morphtargets,this.morphnormals=a.morphnormals,this},ch.prototype=object.create(ae.prototype),ch.prototype.constructor=ch,ch.prototype.islinedashedmaterial=!0,ch.prototype.copy=function(a){return ae.prototype.copy.call(this,a),this.color.copy(a.color),this.linewidth=a.linewidth,this.scale=a.scale,this.dashsize=a.dashsize,this.gapsize=a.gapsize,this};var dh=object.freeze({shadowmaterial:vg,spritematerial:vf,rawshadermaterial:wg,shadermaterial:be,pointsmaterial:cg,multimaterial:xg,meshphysicalmaterial:zg,meshstandardmaterial:yg,meshphongmaterial:$g,meshtoonmaterial:_g,meshnormalmaterial:ah,meshlambertmaterial:bh,meshdepthmaterial:ce,meshbasicmaterial:re,linedashedmaterial:ch,linebasicmaterial:_f,material:ae}),eh={enabled:!1,files:{},add:function(a,b){this.enabled!==!1&&(this.files[a]=b)},get:function(a){if(this.enabled!==!1)return this.files[a]},remove:function(a){delete this.files[a]},clear:function(){this.files={}}},gh=new fh;object.assign(hh.prototype,{load:function(a,b,c,d){void 0===a&&(a=""),void 0!==this.path&&(a=this.path+a);var e=this,f=eh.get(a);if(void 0!==f)return e.manager.itemstart(a),settimeout(function(){b&&b(f),e.manager.itemend(a)},0),f;var g=/^data:(.*?)(;base64)?,(.*)$/,h=a.match(g);if(h){var i=h[1],j=!!h[2],k=h[3];k=window.decodeuricomponent(k),j&&(k=window.atob(k));try{var l,m=(this.responsetype||"").tolowercase();switch(m){case"arraybuffer":case"blob":l=new arraybuffer(k.length);for(var n=new uint8array(l),o=0;o<k.length;o++)n[o]=k.charcodeat(o);"blob"===m&&(l=new blob([l],{type:i}));break;case"document":var p=new domparser;l=p.parsefromstring(k,i);break;case"json":l=json.parse(k);break;default:l=k}window.settimeout(function(){b&&b(l),e.manager.itemend(a)},0)}catch(b){window.settimeout(function(){d&&d(b),e.manager.itemerror(a)},0)}}else{var q=new xmlhttprequest;q.open("get",a,!0),q.addeventlistener("load",function(c){var f=c.target.response;eh.add(a,f),200===this.status?(b&&b(f),e.manager.itemend(a)):0===this.status?(console.warn("three.fileloader: http status 0 received."),b&&b(f),e.manager.itemend(a)):(d&&d(c),e.manager.itemerror(a))},!1),void 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hh(this.manager);if(h.setpath(this.path),h.setresponsetype("arraybuffer"),array.isarray(a))for(var j=0,k=0,l=a.length;k<l;++k)i(k);else h.load(a,function(a){var c=e._parser(a,!0);if(c.iscubemap)for(var d=c.mipmaps.length/c.mipmapcount,h=0;h<d;h++){f[h]={mipmaps:[]};for(var i=0;i<c.mipmapcount;i++)f[h].mipmaps.push(c.mipmaps[h*c.mipmapcount+i]),f[h].format=c.format,f[h].width=c.width,f[h].height=c.height}else g.image.width=c.width,g.image.height=c.height,g.mipmaps=c.mipmaps;1===c.mipmapcount&&(g.minfilter=ta),g.format=c.format,g.needsupdate=!0,b&&b(g)},c,d);return g},setpath:function(a){return this.path=a,this}}),object.assign(jh.prototype,{load:function(a,b,c,d){var e=this,f=new te,g=new hh(this.manager);return g.setresponsetype("arraybuffer"),g.load(a,function(a){var c=e._parser(a);c&&(void 0!==c.image?f.image=c.image:void 0!==c.data&&(f.image.width=c.width,f.image.height=c.height,f.image.data=c.data),f.wraps=void 0!==c.wraps?c.wraps:oa,f.wrapt=void 0!==c.wrapt?c.wrapt:oa,f.magfilter=void 0!==c.magfilter?c.magfilter:ta,f.minfilter=void 0!==c.minfilter?c.minfilter:va,f.anisotropy=void 0!==c.anisotropy?c.anisotropy:1,void 0!==c.format&&(f.format=c.format),void 0!==c.type&&(f.type=c.type),void 0!==c.mipmaps&&(f.mipmaps=c.mipmaps),1===c.mipmapcount&&(f.minfilter=ta),f.needsupdate=!0,b&&b(f,c))},c,d),f}}),object.assign(kh.prototype,{load:function(a,b,c,d){void 0===a&&(a=""),void 0!==this.path&&(a=this.path+a);var e=this,f=eh.get(a);if(void 0!==f)return e.manager.itemstart(a),settimeout(function(){b&&b(f),e.manager.itemend(a)},0),f;var g=document.createelementns("http://www.w3.org/1999/xhtml","img");return g.addeventlistener("load",function(){eh.add(a,this),b&&b(this),e.manager.itemend(a)},!1),g.addeventlistener("error",function(b){d&&d(b),e.manager.itemerror(a)},!1),void 0!==this.crossorigin&&(g.crossorigin=this.crossorigin),e.manager.itemstart(a),g.src=a,g},setcrossorigin:function(a){return this.crossorigin=a,this},setpath:function(a){return this.path=a,this}}),object.assign(lh.prototype,{load:function(a,b,c,d){function h(c){f.load(a[c],function(a){e.images[c]=a,g++,6===g&&(e.needsupdate=!0,b&&b(e))},void 0,d)}var e=new db,f=new kh(this.manager);f.setcrossorigin(this.crossorigin),f.setpath(this.path);for(var g=0,i=0;i<a.length;++i)h(i);return e},setcrossorigin:function(a){return this.crossorigin=a,this},setpath:function(a){return this.path=a,this}}),object.assign(mh.prototype,{load:function(a,b,c,d){var e=new wb,f=new kh(this.manager);return f.setcrossorigin(this.crossorigin),f.setpath(this.path),f.load(a,function(c){var d=a.search(/\.(jpg|jpeg)$/)>0||0===a.search(/^data\:image\/jpeg/);e.format=d?ja:ka,e.image=c,e.needsupdate=!0,void 0!==b&&b(e)},c,d),e},setcrossorigin:function(a){return this.crossorigin=a,this},setpath:function(a){return this.path=a,this}}),nh.prototype=object.assign(object.create(ne.prototype),{constructor:nh,islight:!0,copy:function(a){return ne.prototype.copy.call(this,a),this.color.copy(a.color),this.intensity=a.intensity,this},tojson:function(a){var b=ne.prototype.tojson.call(this,a);return b.object.color=this.color.gethex(),b.object.intensity=this.intensity,void 0!==this.groundcolor&&(b.object.groundcolor=this.groundcolor.gethex()),void 0!==this.distance&&(b.object.distance=this.distance),void 0!==this.angle&&(b.object.angle=this.angle),void 0!==this.decay&&(b.object.decay=this.decay),void 0!==this.penumbra&&(b.object.penumbra=this.penumbra),void 0!==this.shadow&&(b.object.shadow=this.shadow.tojson()),b}}),oh.prototype=object.assign(object.create(nh.prototype),{constructor:oh,ishemispherelight:!0,copy:function(a){return nh.prototype.copy.call(this,a),this.groundcolor.copy(a.groundcolor),this}}),object.assign(ph.prototype,{copy:function(a){return this.camera=a.camera.clone(),this.bias=a.bias,this.radius=a.radius,this.mapsize.copy(a.mapsize),this},clone:function(){return(new this.constructor).copy(this)},tojson:function(){var a={};return 0!==this.bias&&(a.bias=this.bias),1!==this.radius&&(a.radius=this.radius),512===this.mapsize.x&&512===this.mapsize.y||(a.mapsize=this.mapsize.toarray()),a.camera=this.camera.tojson(!1).object,delete a.camera.matrix,a}}),qh.prototype=object.assign(object.create(ph.prototype),{constructor:qh,isspotlightshadow:!0,update:function(a){var b=2*tb.rad2deg*a.angle,c=this.mapsize.width/this.mapsize.height,d=a.distance||500,e=this.camera;b===e.fov&&c===e.aspect&&d===e.far||(e.fov=b,e.aspect=c,e.far=d,e.updateprojectionmatrix())}}),rh.prototype=object.assign(object.create(nh.prototype),{constructor:rh,isspotlight:!0,copy:function(a){return nh.prototype.copy.call(this,a),this.distance=a.distance,this.angle=a.angle,this.penumbra=a.penumbra,this.decay=a.decay,this.target=a.target.clone(),this.shadow=a.shadow.clone(),this}}),sh.prototype=object.assign(object.create(nh.prototype),{constructor:sh,ispointlight:!0,copy:function(a){return nh.prototype.copy.call(this,a),this.distance=a.distance,this.decay=a.decay,this.shadow=a.shadow.clone(),this}}),th.prototype=object.assign(object.create(ph.prototype),{constructor:th}),uh.prototype=object.assign(object.create(nh.prototype),{constructor:uh,isdirectionallight:!0,copy:function(a){return nh.prototype.copy.call(this,a),this.target=a.target.clone(),this.shadow=a.shadow.clone(),this}}),vh.prototype=object.assign(object.create(nh.prototype),{constructor:vh,isambientlight:!0});var wh={arrayslice:function(a,b,c){return wh.istypedarray(a)?new a.constructor(a.subarray(b,c)):a.slice(b,c)},convertarray:function(a,b,c){return!a||!c&&a.constructor===b?a:"number"==typeof b.bytes_per_element?new b(a):array.prototype.slice.call(a)},istypedarray:function(a){return arraybuffer.isview(a)&&!(a instanceof dataview)},getkeyframeorder:function(a){function b(b,c){return a[b]-a[c]}for(var c=a.length,d=new array(c),e=0;e!==c;++e)d[e]=e;return d.sort(b),d},sortedarray:function(a,b,c){for(var d=a.length,e=new a.constructor(d),f=0,g=0;g!==d;++f)for(var h=c[f]*b,i=0;i!==b;++i)e[g++]=a[h+i];return e},flattenjson:function(a,b,c,d){for(var e=1,f=a[0];void 0!==f&&void 0===f[d];)f=a[e++];if(void 0!==f){var g=f[d];if(void 0!==g)if(array.isarray(g)){do g=f[d],void 0!==g&&(b.push(f.time),c.push.apply(c,g)),f=a[e++];while(void 0!==f)}else if(void 0!==g.toarray){do g=f[d],void 0!==g&&(b.push(f.time),g.toarray(c,c.length)),f=a[e++];while(void 0!==f)}else do g=f[d],void 0!==g&&(b.push(f.time),c.push(g)),f=a[e++];while(void 0!==f)}}};xh.prototype={constructor:xh,evaluate:function(a){var b=this.parameterpositions,c=this._cachedindex,d=b[c],e=b[c-1];a:{b:{var f;c:{d:if(!(a<d)){for(var g=c+2;;){if(void 0===d){if(a<e)break d;return c=b.length,this._cachedindex=c,this.afterend_(c-1,a,e)}if(c===g)break;if(e=d,d=b[++c],a<d)break b}f=b.length;break c}{if(a>=e)break a;var h=b[1];a<h&&(c=2,e=h);for(var g=c-2;;){if(void 0===e)return this._cachedindex=0,this.beforestart_(0,a,d);if(c===g)break;if(d=e,e=b[--c-1],a>=e)break b}f=c,c=0}}for(;c<f;){var i=c+f>>>1;a<b[i]?f=i:c=i+1}if(d=b[c],e=b[c-1],void 0===e)return this._cachedindex=0,this.beforestart_(0,a,d);if(void 0===d)return c=b.length,this._cachedindex=c,this.afterend_(c-1,e,a)}this._cachedindex=c,this.intervalchanged_(c,e,d)}return this.interpolate_(c,e,a,d)},settings:null,defaultsettings_:{},getsettings_:function(){return this.settings||this.defaultsettings_},copysamplevalue_:function(a){for(var b=this.resultbuffer,c=this.samplevalues,d=this.valuesize,e=a*d,f=0;f!==d;++f)b[f]=c[e+f];return b},interpolate_:function(a,b,c,d){throw new error("call to abstract method")},intervalchanged_:function(a,b,c){}},object.assign(xh.prototype,{beforestart_:xh.prototype.copysamplevalue_,afterend_:xh.prototype.copysamplevalue_}),yh.prototype=object.assign(object.create(xh.prototype),{constructor:yh,defaultsettings_:{endingstart:db,endingend:db},intervalchanged_:function(a,b,c){var d=this.parameterpositions,e=a-2,f=a+1,g=d[e],h=d[f];if(void 0===g)switch(this.getsettings_().endingstart){case eb:e=a,g=2*b-c;break;case fb:e=d.length-2,g=b+d[e]-d[e+1];break;default:e=a,g=c}if(void 0===h)switch(this.getsettings_().endingend){case eb:f=a,h=2*c-b;break;case fb:f=1,h=c+d[1]-d[0];break;default:f=a-1,h=b}var i=.5*(c-b),j=this.valuesize;this._weightprev=i/(b-g),this._weightnext=i/(h-c),this._offsetprev=e*j,this._offsetnext=f*j},interpolate_:function(a,b,c,d){for(var e=this.resultbuffer,f=this.samplevalues,g=this.valuesize,h=a*g,i=h-g,j=this._offsetprev,k=this._offsetnext,l=this._weightprev,m=this._weightnext,n=(c-b)/(d-b),o=n*n,p=o*n,q=-l*p+2*l*o-l*n,r=(1+l)*p+(-1.5-2*l)*o+(-.5+l)*n+1,s=(-1-m)*p+(1.5+m)*o+.5*n,t=m*p-m*o,u=0;u!==g;++u)e[u]=q*f[j+u]+r*f[i+u]+s*f[h+u]+t*f[k+u];return e}}),zh.prototype=object.assign(object.create(xh.prototype),{constructor:zh,interpolate_:function(a,b,c,d){for(var e=this.resultbuffer,f=this.samplevalues,g=this.valuesize,h=a*g,i=h-g,j=(c-b)/(d-b),k=1-j,l=0;l!==g;++l)e[l]=f[i+l]*k+f[h+l]*j;return e}}),ah.prototype=object.assign(object.create(xh.prototype),{constructor:ah,interpolate_:function(a,b,c,d){return this.copysamplevalue_(a-1)}});var bh;bh={timebuffertype:float32array,valuebuffertype:float32array,defaultinterpolation:bb,interpolantfactorymethoddiscrete:function(a){return new ah(this.times,this.values,this.getvaluesize(),a)},interpolantfactorymethodlinear:function(a){return new zh(this.times,this.values,this.getvaluesize(),a)},interpolantfactorymethodsmooth:function(a){return new yh(this.times,this.values,this.getvaluesize(),a)},setinterpolation:function(a){var b;switch(a){case ab:b=this.interpolantfactorymethoddiscrete;break;case bb:b=this.interpolantfactorymethodlinear;break;case cb:b=this.interpolantfactorymethodsmooth}if(void 0===b){var c="unsupported interpolation for "+this.valuetypename+" keyframe track named "+this.name;if(void 0===this.createinterpolant){if(a===this.defaultinterpolation)throw new error(c);this.setinterpolation(this.defaultinterpolation)}return void console.warn(c)}this.createinterpolant=b},getinterpolation:function(){switch(this.createinterpolant){case this.interpolantfactorymethoddiscrete:return ab;case this.interpolantfactorymethodlinear:return bb;case this.interpolantfactorymethodsmooth:return cb}},getvaluesize:function(){return this.values.length/this.times.length},shift:function(a){if(0!==a)for(var b=this.times,c=0,d=b.length;c!==d;++c)b[c]+=a;return this},scale:function(a){if(1!==a)for(var b=this.times,c=0,d=b.length;c!==d;++c)b[c]*=a;return this},trim:function(a,b){for(var c=this.times,d=c.length,e=0,f=d-1;e!==d&&c[e]<a;)++e;for(;f!==-1&&c[f]>b;)--f;if(++f,0!==e||f!==d){e>=f&&(f=math.max(f,1),e=f-1);var g=this.getvaluesize();this.times=wh.arrayslice(c,e,f),this.values=wh.arrayslice(this.values,e*g,f*g)}return this},validate:function(){var a=!0,b=this.getvaluesize();b-math.floor(b)!==0&&(console.error("invalid value size in track",this),a=!1);var c=this.times,d=this.values,e=c.length;0===e&&(console.error("track is empty",this),a=!1);for(var f=null,g=0;g!==e;g++){var h=c[g];if("number"==typeof h&&isnan(h)){console.error("time is not a valid number",this,g,h),a=!1;break}if(null!==f&&f>h){console.error("out of order keys",this,g,h,f),a=!1;break}f=h}if(void 0!==d&&wh.istypedarray(d))for(var g=0,i=d.length;g!==i;++g){var j=d[g];if(isnan(j)){console.error("value is not a valid number",this,g,j),a=!1;break}}return a},optimize:function(){for(var a=this.times,b=this.values,c=this.getvaluesize(),d=this.getinterpolation()===cb,e=1,f=a.length-1,g=1;g<f;++g){var h=!1,i=a[g],j=a[g+1];if(i!==j&&(1!==g||i!==i[0]))if(d)h=!0;else for(var k=g*c,l=k-c,m=k+c,n=0;n!==c;++n){var o=b[k+n];if(o!==b[l+n]||o!==b[m+n]){h=!0;break}}if(h){if(g!==e){a[e]=a[g];for(var p=g*c,q=e*c,n=0;n!==c;++n)b[q+n]=b[p+n]}++e}}if(f>0){a[e]=a[f];for(var p=f*c,q=e*c,n=0;n!==c;++n)b[q+n]=b[p+n];++e}return e!==a.length&&(this.times=wh.arrayslice(a,0,e),this.values=wh.arrayslice(b,0,e*c)),this}},dh.prototype=object.assign(object.create(bh),{constructor:dh,valuetypename:"vector"}),eh.prototype=object.assign(object.create(xh.prototype),{constructor:eh,interpolate_:function(a,b,c,d){for(var e=this.resultbuffer,f=this.samplevalues,g=this.valuesize,h=a*g,i=(c-b)/(d-b),j=h+g;h!==j;h+=4)ab.slerpflat(e,0,f,h-g,f,h,i);
    return e}}),fh.prototype=object.assign(object.create(bh),{constructor:fh,valuetypename:"quaternion",defaultinterpolation:bb,interpolantfactorymethodlinear:function(a){return new eh(this.times,this.values,this.getvaluesize(),a)},interpolantfactorymethodsmooth:void 0}),gh.prototype=object.assign(object.create(bh),{constructor:gh,valuetypename:"number"}),hh.prototype=object.assign(object.create(bh),{constructor:hh,valuetypename:"string",valuebuffertype:array,defaultinterpolation:ab,interpolantfactorymethodlinear:void 0,interpolantfactorymethodsmooth:void 0}),ih.prototype=object.assign(object.create(bh),{constructor:ih,valuetypename:"bool",valuebuffertype:array,defaultinterpolation:ab,interpolantfactorymethodlinear:void 0,interpolantfactorymethodsmooth:void 0}),jh.prototype=object.assign(object.create(bh),{constructor:jh,valuetypename:"color"}),kh.prototype=bh,bh.constructor=kh,object.assign(kh,{parse:function(a){if(void 0===a.type)throw new error("track type undefined, can not parse");var b=kh._gettracktypeforvaluetypename(a.type);if(void 0===a.times){var c=[],d=[];wh.flattenjson(a.keys,c,d,"value"),a.times=c,a.values=d}return void 0!==b.parse?b.parse(a):new b(a.name,a.times,a.values,a.interpolation)},tojson:function(a){var c,b=a.constructor;if(void 0!==b.tojson)c=b.tojson(a);else{c={name:a.name,times:wh.convertarray(a.times,array),values:wh.convertarray(a.values,array)};var d=a.getinterpolation();d!==a.defaultinterpolation&&(c.interpolation=d)}return c.type=a.valuetypename,c},_gettracktypeforvaluetypename:function(a){switch(a.tolowercase()){case"scalar":case"double":case"float":case"number":case"integer":return gh;case"vector":case"vector2":case"vector3":case"vector4":return dh;case"color":return jh;case"quaternion":return fh;case"bool":case"boolean":return ih;case"string":return hh}throw new error("unsupported typename: "+a)}}),lh.prototype={constructor:lh,resetduration:function(){for(var a=this.tracks,b=0,c=0,d=a.length;c!==d;++c){var e=this.tracks[c];b=math.max(b,e.times[e.times.length-1])}this.duration=b},trim:function(){for(var a=0;a<this.tracks.length;a++)this.tracks[a].trim(0,this.duration);return this},optimize:function(){for(var a=0;a<this.tracks.length;a++)this.tracks[a].optimize();return this}},object.assign(lh,{parse:function(a){for(var b=[],c=a.tracks,d=1/(a.fps||1),e=0,f=c.length;e!==f;++e)b.push(kh.parse(c[e]).scale(d));return new lh(a.name,a.duration,b)},tojson:function(a){for(var b=[],c=a.tracks,d={name:a.name,duration:a.duration,tracks:b},e=0,f=c.length;e!==f;++e)b.push(kh.tojson(c[e]));return d},createfrommorphtargetsequence:function(a,b,c,d){for(var e=b.length,f=[],g=0;g<e;g++){var h=[],i=[];h.push((g+e-1)%e,g,(g+1)%e),i.push(0,1,0);var j=wh.getkeyframeorder(h);h=wh.sortedarray(h,1,j),i=wh.sortedarray(i,1,j),d||0!==h[0]||(h.push(e),i.push(i[0])),f.push(new gh(".morphtargetinfluences["+b[g].name+"]",h,i).scale(1/c))}return new lh(a,-1,f)},findbyname:function(a,b){var c=a;if(!array.isarray(a)){var d=a;c=d.geometry&&d.geometry.animations||d.animations}for(var e=0;e<c.length;e++)if(c[e].name===b)return c[e];return null},createclipsfrommorphtargetsequences:function(a,b,c){for(var d={},e=/^([\w-]*?)([\d]+)$/,f=0,g=a.length;f<g;f++){var h=a[f],i=h.name.match(e);if(i&&i.length>1){var j=i[1],k=d[j];k||(d[j]=k=[]),k.push(h)}}var l=[];for(var j in d)l.push(lh.createfrommorphtargetsequence(j,d[j],b,c));return l},parseanimation:function(a,b){if(!a)return console.error("  no animation in jsonloader data"),null;for(var c=function(a,b,c,d,e){if(0!==c.length){var f=[],g=[];wh.flattenjson(c,f,g,d),0!==f.length&&e.push(new a(b,f,g))}},d=[],e=a.name||"default",f=a.length||-1,g=a.fps||30,h=a.hierarchy||[],i=0;i<h.length;i++){var j=h[i].keys;if(j&&0!==j.length)if(j[0].morphtargets){for(var k={},l=0;l<j.length;l++)if(j[l].morphtargets)for(var m=0;m<j[l].morphtargets.length;m++)k[j[l].morphtargets[m]]=-1;for(var n in k){for(var o=[],p=[],m=0;m!==j[l].morphtargets.length;++m){var q=j[l];o.push(q.time),p.push(q.morphtarget===n?1:0)}d.push(new gh(".morphtargetinfluence["+n+"]",o,p))}f=k.length*(g||1)}else{var r=".bones["+b[i].name+"]";c(dh,r+".position",j,"pos",d),c(fh,r+".quaternion",j,"rot",d),c(dh,r+".scale",j,"scl",d)}}if(0===d.length)return null;var s=new lh(e,f,d);return s}}),object.assign(mh.prototype,{load:function(a,b,c,d){var e=this,f=new hh(e.manager);f.load(a,function(a){b(e.parse(json.parse(a)))},c,d)},settextures:function(a){this.textures=a},parse:function(a){function c(a){return void 0===b[a]&&console.warn("three.materialloader: undefined texture",a),b[a]}var b=this.textures,d=new dh[a.type];if(void 0!==a.uuid&&(d.uuid=a.uuid),void 0!==a.name&&(d.name=a.name),void 0!==a.color&&d.color.sethex(a.color),void 0!==a.roughness&&(d.roughness=a.roughness),void 0!==a.metalness&&(d.metalness=a.metalness),void 0!==a.emissive&&d.emissive.sethex(a.emissive),void 0!==a.specular&&d.specular.sethex(a.specular),void 0!==a.shininess&&(d.shininess=a.shininess),void 0!==a.clearcoat&&(d.clearcoat=a.clearcoat),void 0!==a.clearcoatroughness&&(d.clearcoatroughness=a.clearcoatroughness),void 0!==a.uniforms&&(d.uniforms=a.uniforms),void 0!==a.vertexshader&&(d.vertexshader=a.vertexshader),void 0!==a.fragmentshader&&(d.fragmentshader=a.fragmentshader),void 0!==a.vertexcolors&&(d.vertexcolors=a.vertexcolors),void 0!==a.fog&&(d.fog=a.fog),void 0!==a.shading&&(d.shading=a.shading),void 0!==a.blending&&(d.blending=a.blending),void 0!==a.side&&(d.side=a.side),void 0!==a.opacity&&(d.opacity=a.opacity),void 0!==a.transparent&&(d.transparent=a.transparent),void 0!==a.alphatest&&(d.alphatest=a.alphatest),void 0!==a.depthtest&&(d.depthtest=a.depthtest),void 0!==a.depthwrite&&(d.depthwrite=a.depthwrite),void 0!==a.colorwrite&&(d.colorwrite=a.colorwrite),void 0!==a.wireframe&&(d.wireframe=a.wireframe),void 0!==a.wireframelinewidth&&(d.wireframelinewidth=a.wireframelinewidth),void 0!==a.wireframelinecap&&(d.wireframelinecap=a.wireframelinecap),void 0!==a.wireframelinejoin&&(d.wireframelinejoin=a.wireframelinejoin),void 0!==a.skinning&&(d.skinning=a.skinning),void 0!==a.morphtargets&&(d.morphtargets=a.morphtargets),void 0!==a.size&&(d.size=a.size),void 0!==a.sizeattenuation&&(d.sizeattenuation=a.sizeattenuation),void 0!==a.map&&(d.map=c(a.map)),void 0!==a.alphamap&&(d.alphamap=c(a.alphamap),d.transparent=!0),void 0!==a.bumpmap&&(d.bumpmap=c(a.bumpmap)),void 0!==a.bumpscale&&(d.bumpscale=a.bumpscale),void 0!==a.normalmap&&(d.normalmap=c(a.normalmap)),void 0!==a.normalscale){var e=a.normalscale;array.isarray(e)===!1&&(e=[e,e]),d.normalscale=(new ub).fromarray(e)}if(void 0!==a.displacementmap&&(d.displacementmap=c(a.displacementmap)),void 0!==a.displacementscale&&(d.displacementscale=a.displacementscale),void 0!==a.displacementbias&&(d.displacementbias=a.displacementbias),void 0!==a.roughnessmap&&(d.roughnessmap=c(a.roughnessmap)),void 0!==a.metalnessmap&&(d.metalnessmap=c(a.metalnessmap)),void 0!==a.emissivemap&&(d.emissivemap=c(a.emissivemap)),void 0!==a.emissiveintensity&&(d.emissiveintensity=a.emissiveintensity),void 0!==a.specularmap&&(d.specularmap=c(a.specularmap)),void 0!==a.envmap&&(d.envmap=c(a.envmap)),void 0!==a.reflectivity&&(d.reflectivity=a.reflectivity),void 0!==a.lightmap&&(d.lightmap=c(a.lightmap)),void 0!==a.lightmapintensity&&(d.lightmapintensity=a.lightmapintensity),void 0!==a.aomap&&(d.aomap=c(a.aomap)),void 0!==a.aomapintensity&&(d.aomapintensity=a.aomapintensity),void 0!==a.gradientmap&&(d.gradientmap=c(a.gradientmap)),void 0!==a.materials)for(var f=0,g=a.materials.length;f<g;f++)d.materials.push(this.parse(a.materials[f]));return d}}),object.assign(nh.prototype,{load:function(a,b,c,d){var e=this,f=new hh(e.manager);f.load(a,function(a){b(e.parse(json.parse(a)))},c,d)},parse:function(a){var b=new ff,c=a.data.index,d={int8array:int8array,uint8array:uint8array,uint8clampedarray:uint8clampedarray,int16array:int16array,uint16array:uint16array,int32array:int32array,uint32array:uint32array,float32array:float32array,float64array:float64array};if(void 0!==c){var e=new d[c.type](c.array);b.setindex(new se(e,1))}var f=a.data.attributes;for(var g in f){var h=f[g],e=new d[h.type](h.array);b.addattribute(g,new se(e,h.itemsize,h.normalized))}var i=a.data.groups||a.data.drawcalls||a.data.offsets;if(void 0!==i)for(var j=0,k=i.length;j!==k;++j){var l=i[j];b.addgroup(l.start,l.count,l.materialindex)}var m=a.data.boundingsphere;if(void 0!==m){var n=new bb;void 0!==m.center&&n.fromarray(m.center),b.boundingsphere=new ee(n,m.radius)}return b}}),oh.prototype={constructor:oh,crossorigin:void 0,extracturlbase:function(a){var b=a.split("/");return 1===b.length?"./":(b.pop(),b.join("/")+"/")},initmaterials:function(a,b,c){for(var d=[],e=0;e<a.length;++e)d[e]=this.creatematerial(a[e],b,c);return d},creatematerial:function(){var b,c,d,a={noblending:v,normalblending:w,additiveblending:x,subtractiveblending:y,multiplyblending:z,customblending:a};return function(f,g,h){function j(a,b,d,e,f){var l,j=g+a,k=oh.handlers.get(j);null!==k?l=k.load(j):(c.setcrossorigin(h),l=c.load(j)),void 0!==b&&(l.repeat.fromarray(b),1!==b[0]&&(l.wraps=na),1!==b[1]&&(l.wrapt=na)),void 0!==d&&l.offset.fromarray(d),void 0!==e&&("repeat"===e[0]&&(l.wraps=na),"mirror"===e[0]&&(l.wraps=pa),"repeat"===e[1]&&(l.wrapt=na),"mirror"===e[1]&&(l.wrapt=pa)),void 0!==f&&(l.anisotropy=f);var m=tb.generateuuid();return i[m]=l,m}void 0===b&&(b=new re),void 0===c&&(c=new mh),void 0===d&&(d=new mh);var i={},k={uuid:tb.generateuuid(),type:"meshlambertmaterial"};for(var l in f){var m=f[l];switch(l){case"dbgcolor":case"dbgindex":case"opticaldensity":case"illumination":break;case"dbgname":k.name=m;break;case"blending":k.blending=a[m];break;case"colorambient":case"mapambient":console.warn("three.loader.creatematerial:",l,"is no longer supported.");break;case"colordiffuse":k.color=b.fromarray(m).gethex();break;case"colorspecular":k.specular=b.fromarray(m).gethex();break;case"coloremissive":k.emissive=b.fromarray(m).gethex();break;case"specularcoef":k.shininess=m;break;case"shading":"basic"===m.tolowercase()&&(k.type="meshbasicmaterial"),"phong"===m.tolowercase()&&(k.type="meshphongmaterial"),"standard"===m.tolowercase()&&(k.type="meshstandardmaterial");break;case"mapdiffuse":k.map=j(m,f.mapdiffuserepeat,f.mapdiffuseoffset,f.mapdiffusewrap,f.mapdiffuseanisotropy);break;case"mapdiffuserepeat":case"mapdiffuseoffset":case"mapdiffusewrap":case"mapdiffuseanisotropy":break;case"mapemissive":k.emissivemap=j(m,f.mapemissiverepeat,f.mapemissiveoffset,f.mapemissivewrap,f.mapemissiveanisotropy);break;case"mapemissiverepeat":case"mapemissiveoffset":case"mapemissivewrap":case"mapemissiveanisotropy":break;case"maplight":k.lightmap=j(m,f.maplightrepeat,f.maplightoffset,f.maplightwrap,f.maplightanisotropy);break;case"maplightrepeat":case"maplightoffset":case"maplightwrap":case"maplightanisotropy":break;case"mapao":k.aomap=j(m,f.mapaorepeat,f.mapaooffset,f.mapaowrap,f.mapaoanisotropy);break;case"mapaorepeat":case"mapaooffset":case"mapaowrap":case"mapaoanisotropy":break;case"mapbump":k.bumpmap=j(m,f.mapbumprepeat,f.mapbumpoffset,f.mapbumpwrap,f.mapbumpanisotropy);break;case"mapbumpscale":k.bumpscale=m;break;case"mapbumprepeat":case"mapbumpoffset":case"mapbumpwrap":case"mapbumpanisotropy":break;case"mapnormal":k.normalmap=j(m,f.mapnormalrepeat,f.mapnormaloffset,f.mapnormalwrap,f.mapnormalanisotropy);break;case"mapnormalfactor":k.normalscale=[m,m];break;case"mapnormalrepeat":case"mapnormaloffset":case"mapnormalwrap":case"mapnormalanisotropy":break;case"mapspecular":k.specularmap=j(m,f.mapspecularrepeat,f.mapspecularoffset,f.mapspecularwrap,f.mapspecularanisotropy);break;case"mapspecularrepeat":case"mapspecularoffset":case"mapspecularwrap":case"mapspecularanisotropy":break;case"mapmetalness":k.metalnessmap=j(m,f.mapmetalnessrepeat,f.mapmetalnessoffset,f.mapmetalnesswrap,f.mapmetalnessanisotropy);break;case"mapmetalnessrepeat":case"mapmetalnessoffset":case"mapmetalnesswrap":case"mapmetalnessanisotropy":break;case"maproughness":k.roughnessmap=j(m,f.maproughnessrepeat,f.maproughnessoffset,f.maproughnesswrap,f.maproughnessanisotropy);break;case"maproughnessrepeat":case"maproughnessoffset":case"maproughnesswrap":case"maproughnessanisotropy":break;case"mapalpha":k.alphamap=j(m,f.mapalpharepeat,f.mapalphaoffset,f.mapalphawrap,f.mapalphaanisotropy);break;case"mapalpharepeat":case"mapalphaoffset":case"mapalphawrap":case"mapalphaanisotropy":break;case"flipsided":k.side=o;break;case"doublesided":k.side=p;break;case"transparency":console.warn("three.loader.creatematerial: transparency has been renamed to opacity"),k.opacity=m;break;case"depthtest":case"depthwrite":case"colorwrite":case"opacity":case"reflectivity":case"transparent":case"visible":case"wireframe":k[l]=m;break;case"vertexcolors":m===!0&&(k.vertexcolors=u),"face"===m&&(k.vertexcolors=t);break;default:console.error("three.loader.creatematerial: unsupported",l,m)}}return"meshbasicmaterial"===k.type&&delete k.emissive,"meshphongmaterial"!==k.type&&delete k.specular,k.opacity<1&&(k.transparent=!0),d.settextures(i),d.parse(k)}}()},oh.handlers={handlers:[],add:function(a,b){this.handlers.push(a,b)},get:function(a){for(var b=this.handlers,c=0,d=b.length;c<d;c+=2){var e=b[c],f=b[c+1];if(e.test(a))return f}return null}},object.assign(ph.prototype,{load:function(a,b,c,d){var e=this,f=this.texturepath&&"string"==typeof this.texturepath?this.texturepath:oh.prototype.extracturlbase(a),g=new hh(this.manager);g.setwithcredentials(this.withcredentials),g.load(a,function(c){var d=json.parse(c),g=d.metadata;if(void 0!==g){var h=g.type;if(void 0!==h){if("object"===h.tolowercase())return void console.error("three.jsonloader: "+a+" should be loaded with three.objectloader instead.");if("scene"===h.tolowercase())return void console.error("three.jsonloader: "+a+" should be loaded with three.sceneloader instead.")}}var i=e.parse(d,f);b(i.geometry,i.materials)},c,d)},settexturepath:function(a){this.texturepath=a},parse:function(a,b){function e(b){function d(a,b){return a&1<<b}var e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,a,b,c,d,e,f=a.faces,g=a.vertices,h=a.normals,i=a.colors,j=0;if(void 0!==a.uvs){for(e=0;e<a.uvs.length;e++)a.uvs[e].length&&j++;for(e=0;e<j;e++)c.facevertexuvs[e]=[]}for(h=0,i=g.length;h<i;)v=new bb,v.x=g[h++]*b,v.y=g[h++]*b,v.z=g[h++]*b,c.vertices.push(v);for(h=0,i=f.length;h<i;)if(n=f[h++],o=d(n,0),p=d(n,1),q=d(n,3),r=d(n,4),s=d(n,5),t=d(n,6),u=d(n,7),o){if(x=new qe,x.a=f[h],x.b=f[h+1],x.c=f[h+3],y=new qe,y.a=f[h+1],y.b=f[h+2],y.c=f[h+3],h+=4,p&&(m=f[h++],x.materialindex=m,y.materialindex=m),g=c.faces.length,q)for(e=0;e<j;e++)for(b=a.uvs[e],c.facevertexuvs[e][g]=[],c.facevertexuvs[e][g+1]=[],f=0;f<4;f++)l=f[h++],d=b[2*l],e=b[2*l+1],c=new ub(d,e),2!==f&&c.facevertexuvs[e][g].push(c),0!==f&&c.facevertexuvs[e][g+1].push(c);if(r&&(k=3*f[h++],x.normal.set(h[k++],h[k++],h[k]),y.normal.copy(x.normal)),s)for(e=0;e<4;e++)k=3*f[h++],a=new bb(h[k++],h[k++],h[k]),2!==e&&x.vertexnormals.push(a),0!==e&&y.vertexnormals.push(a);if(t&&(j=f[h++],z=i[j],x.color.sethex(z),y.color.sethex(z)),u)for(e=0;e<4;e++)j=f[h++],z=i[j],2!==e&&x.vertexcolors.push(new re(z)),0!==e&&y.vertexcolors.push(new re(z));c.faces.push(x),c.faces.push(y)}else{if(w=new qe,w.a=f[h++],w.b=f[h++],w.c=f[h++],p&&(m=f[h++],w.materialindex=m),g=c.faces.length,q)for(e=0;e<j;e++)for(b=a.uvs[e],c.facevertexuvs[e][g]=[],f=0;f<3;f++)l=f[h++],d=b[2*l],e=b[2*l+1],c=new ub(d,e),c.facevertexuvs[e][g].push(c);if(r&&(k=3*f[h++],w.normal.set(h[k++],h[k++],h[k])),s)for(e=0;e<3;e++)k=3*f[h++],a=new bb(h[k++],h[k++],h[k]),w.vertexnormals.push(a);if(t&&(j=f[h++],w.color.sethex(i[j])),u)for(e=0;e<3;e++)j=f[h++],w.vertexcolors.push(new re(i[j]));c.faces.push(w)}}function f(){var b=void 0!==a.influencespervertex?a.influencespervertex:2;if(a.skinweights)for(var d=0,e=a.skinweights.length;d<e;d+=b){var f=a.skinweights[d],g=b>1?a.skinweights[d+1]:0,h=b>2?a.skinweights[d+2]:0,i=b>3?a.skinweights[d+3]:0;c.skinweights.push(new xb(f,g,h,i))}if(a.skinindices)for(var d=0,e=a.skinindices.length;d<e;d+=b){var j=a.skinindices[d],k=b>1?a.skinindices[d+1]:0,l=b>2?a.skinindices[d+2]:0,m=b>3?a.skinindices[d+3]:0;c.skinindices.push(new xb(j,k,l,m))}c.bones=a.bones,c.bones&&c.bones.length>0&&(c.skinweights.length!==c.skinindices.length||c.skinindices.length!==c.vertices.length)&&console.warn("when skinning, number of vertices ("+c.vertices.length+"), skinindices ("+c.skinindices.length+"), and skinweights ("+c.skinweights.length+") should match.")}function g(b){if(void 0!==a.morphtargets)for(var d=0,e=a.morphtargets.length;d<e;d++){c.morphtargets[d]={},c.morphtargets[d].name=a.morphtargets[d].name,c.morphtargets[d].vertices=[];for(var f=c.morphtargets[d].vertices,g=a.morphtargets[d].vertices,h=0,i=g.length;h<i;h+=3){var j=new bb;j.x=g[h]*b,j.y=g[h+1]*b,j.z=g[h+2]*b,f.push(j)}}if(void 0!==a.morphcolors&&a.morphcolors.length>0){console.warn('three.jsonloader: "morphcolors" no longer supported. using them as face colors.');for(var k=c.faces,l=a.morphcolors[0].colors,d=0,e=k.length;d<e;d++)k[d].color.fromarray(l,3*d)}}function h(){var b=[],d=[];void 0!==a.animation&&d.push(a.animation),void 0!==a.animations&&(a.animations.length?d=d.concat(a.animations):d.push(a.animations));for(var e=0;e<d.length;e++){var f=lh.parseanimation(d[e],c.bones);f&&b.push(f)}if(c.morphtargets){var g=lh.createclipsfrommorphtargetsequences(c.morphtargets,10);b=b.concat(g)}b.length>0&&(c.animations=b)}var c=new ef,d=void 0!==a.scale?1/a.scale:1;if(e(d),f(),g(d),h(),c.computefacenormals(),c.computeboundingsphere(),void 0===a.materials||0===a.materials.length)return{geometry:c};var i=oh.prototype.initmaterials(a.materials,b,this.crossorigin);return{geometry:c,materials:i}}}),object.assign(qh.prototype,{load:function(a,b,c,d){""===this.texturepath&&(this.texturepath=a.substring(0,a.lastindexof("/")+1));var e=this,f=new hh(e.manager);f.load(a,function(c){var f=null;try{f=json.parse(c)}catch(b){return void 0!==d&&d(b),void console.error("three:objectloader: can't parse "+a+".",b.message)}var g=f.metadata;return void 0===g||void 0===g.type||"geometry"===g.type.tolowercase()?void console.error("three.objectloader: can't load "+a+". use three.jsonloader instead."):void e.parse(f,b)},c,d)},settexturepath:function(a){this.texturepath=a},setcrossorigin:function(a){this.crossorigin=a},parse:function(a,b){var c=this.parsegeometries(a.geometries),d=this.parseimages(a.images,function(){void 0!==b&&b(g)}),e=this.parsetextures(a.textures,d),f=this.parsematerials(a.materials,e),g=this.parseobject(a.object,c,f);return a.animations&&(g.animations=this.parseanimations(a.animations)),void 0!==a.images&&0!==a.images.length||void 0!==b&&b(g),g},parsegeometries:function(a){var b={};if(void 0!==a)for(var c=new ph,d=new nh,e=0,f=a.length;e<f;e++){var g,h=a[e];switch(h.type){case"planegeometry":case"planebuffergeometry":g=new ug[h.type](h.width,h.height,h.widthsegments,h.heightsegments);break;case"boxgeometry":case"boxbuffergeometry":case"cubegeometry":g=new ug[h.type](h.width,h.height,h.depth,h.widthsegments,h.heightsegments,h.depthsegments);break;case"circlegeometry":case"circlebuffergeometry":g=new ug[h.type](h.radius,h.segments,h.thetastart,h.thetalength);break;case"cylindergeometry":case"cylinderbuffergeometry":g=new ug[h.type](h.radiustop,h.radiusbottom,h.height,h.radialsegments,h.heightsegments,h.openended,h.thetastart,h.thetalength);break;case"conegeometry":case"conebuffergeometry":g=new ug[h.type](h.radius,h.height,h.radialsegments,h.heightsegments,h.openended,h.thetastart,h.thetalength);break;case"spheregeometry":case"spherebuffergeometry":g=new ug[h.type](h.radius,h.widthsegments,h.heightsegments,h.phistart,h.philength,h.thetastart,h.thetalength);break;case"dodecahedrongeometry":case"icosahedrongeometry":case"octahedrongeometry":case"tetrahedrongeometry":g=new ug[h.type](h.radius,h.detail);break;case"ringgeometry":case"ringbuffergeometry":g=new ug[h.type](h.innerradius,h.outerradius,h.thetasegments,h.phisegments,h.thetastart,h.thetalength);break;case"torusgeometry":case"torusbuffergeometry":g=new ug[h.type](h.radius,h.tube,h.radialsegments,h.tubularsegments,h.arc);break;case"torusknotgeometry":case"torusknotbuffergeometry":g=new ug[h.type](h.radius,h.tube,h.tubularsegments,h.radialsegments,h.p,h.q);break;case"lathegeometry":case"lathebuffergeometry":g=new ug[h.type](h.points,h.segments,h.phistart,h.philength);break;case"buffergeometry":g=d.parse(h);break;case"geometry":g=c.parse(h.data,this.texturepath).geometry;break;default:console.warn('three.objectloader: unsupported geometry type "'+h.type+'"');continue}g.uuid=h.uuid,void 0!==h.name&&(g.name=h.name),b[h.uuid]=g}return b},parsematerials:function(a,b){var c={};if(void 0!==a){var d=new mh;d.settextures(b);for(var e=0,f=a.length;e<f;e++){var g=d.parse(a[e]);c[g.uuid]=g}}return c},parseanimations:function(a){for(var b=[],c=0;c<a.length;c++){var d=lh.parse(a[c]);b.push(d)}return b},parseimages:function(a,b){function e(a){return c.manager.itemstart(a),g.load(a,function(){c.manager.itemend(a)},void 0,function(){c.manager.itemerror(a)})}var c=this,d={};if(void 0!==a&&a.length>0){var f=new fh(b),g=new kh(f);g.setcrossorigin(this.crossorigin);for(var h=0,i=a.length;h<i;h++){var j=a[h],k=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(j.url)?j.url:c.texturepath+j.url;d[j.uuid]=e(k)}}return d},parsetextures:function(a,b){function f(a,b){return"number"==typeof a?a:(console.warn("three.objectloader.parsetexture: constant should be in numeric form.",a),b[a])}var c={uvmapping:fa,cubereflectionmapping:ga,cuberefractionmapping:ha,equirectangularreflectionmapping:ia,equirectangularrefractionmapping:ja,sphericalreflectionmapping:ka,cubeuvreflectionmapping:la,cubeuvrefractionmapping:ma},d={repeatwrapping:na,clamptoedgewrapping:oa,mirroredrepeatwrapping:pa},e={nearestfilter:qa,nearestmipmapnearestfilter:ra,nearestmipmaplinearfilter:sa,linearfilter:ta,linearmipmapnearestfilter:ua,linearmipmaplinearfilter:va},g={};if(void 0!==a)for(var h=0,i=a.length;h<i;h++){var j=a[h];void 0===j.image&&console.warn('three.objectloader: no "image" specified for',j.uuid),void 0===b[j.image]&&console.warn("three.objectloader: undefined image",j.image);var k=new wb(b[j.image]);k.needsupdate=!0,k.uuid=j.uuid,void 0!==j.name&&(k.name=j.name),void 0!==j.mapping&&(k.mapping=f(j.mapping,c)),void 0!==j.offset&&k.offset.fromarray(j.offset),void 0!==j.repeat&&k.repeat.fromarray(j.repeat),void 0!==j.wrap&&(k.wraps=f(j.wrap[0],d),k.wrapt=f(j.wrap[1],d)),void 0!==j.minfilter&&(k.minfilter=f(j.minfilter,e)),void 0!==j.magfilter&&(k.magfilter=f(j.magfilter,e)),void 0!==j.anisotropy&&(k.anisotropy=j.anisotropy),void 0!==j.flipy&&(k.flipy=j.flipy),g[j.uuid]=k}return g},parseobject:function(){var a=new cb;return function(c,d,e){function g(a){return void 0===d[a]&&console.warn("three.objectloader: undefined geometry",a),d[a]}function h(a){if(void 0!==a)return void 0===e[a]&&console.warn("three.objectloader: undefined material",a),e[a]}var f;switch(c.type){case"scene":f=new tf,void 0!==c.background&&number.isinteger(c.background)&&(f.background=new re(c.background)),void 0!==c.fog&&("fog"===c.fog.type?f.fog=new sf(c.fog.color,c.fog.near,c.fog.far):"fogexp2"===c.fog.type&&(f.fog=new rf(c.fog.color,c.fog.density)));break;case"perspectivecamera":f=new nf(c.fov,c.aspect,c.near,c.far),void 0!==c.focus&&(f.focus=c.focus),void 0!==c.zoom&&(f.zoom=c.zoom),void 0!==c.filmgauge&&(f.filmgauge=c.filmgauge),void 0!==c.filmoffset&&(f.filmoffset=c.filmoffset),void 0!==c.view&&(f.view=object.assign({},c.view));break;case"orthographiccamera":f=new of(c.left,c.right,c.top,c.bottom,c.near,c.far);break;case"ambientlight":f=new vh(c.color,c.intensity);break;case"directionallight":f=new uh(c.color,c.intensity);break;case"pointlight":f=new sh(c.color,c.intensity,c.distance,c.decay);break;case"spotlight":f=new rh(c.color,c.intensity,c.distance,c.angle,c.penumbra,c.decay);break;case"hemispherelight":f=new oh(c.color,c.groundcolor,c.intensity);break;case"mesh":var i=g(c.geometry),j=h(c.material);f=i.bones&&i.bones.length>0?new $f(i,j):new gf(i,j);break;case"lod":f=new xf;break;case"line":f=new ag(g(c.geometry),h(c.material),c.mode);break;case"linesegments":f=new bg(g(c.geometry),h(c.material));break;case"pointcloud":case"points":f=new dg(g(c.geometry),h(c.material));break;case"sprite":f=new wf(h(c.material));break;case"group":f=new eg;break;case"skinnedmesh":console.warn("three.objectloader.parseobject() does not support skinnedmesh type. instantiates object3d instead.");default:f=new ne}if(f.uuid=c.uuid,void 0!==c.name&&(f.name=c.name),void 0!==c.matrix?(a.fromarray(c.matrix),a.decompose(f.position,f.quaternion,f.scale)):(void 0!==c.position&&f.position.fromarray(c.position),void 0!==c.rotation&&f.rotation.fromarray(c.rotation),void 0!==c.quaternion&&f.quaternion.fromarray(c.quaternion),void 0!==c.scale&&f.scale.fromarray(c.scale)),void 0!==c.castshadow&&(f.castshadow=c.castshadow),void 0!==c.receiveshadow&&(f.receiveshadow=c.receiveshadow),c.shadow&&(void 0!==c.shadow.bias&&(f.shadow.bias=c.shadow.bias),void 0!==c.shadow.radius&&(f.shadow.radius=c.shadow.radius),void 0!==c.shadow.mapsize&&f.shadow.mapsize.fromarray(c.shadow.mapsize),void 0!==c.shadow.camera&&(f.shadow.camera=this.parseobject(c.shadow.camera))),void 0!==c.visible&&(f.visible=c.visible),void 0!==c.userdata&&(f.userdata=c.userdata),void 0!==c.children)for(var k in c.children)f.add(this.parseobject(c.children[k],d,e));if("lod"===c.type)for(var l=c.levels,m=0;m<l.length;m++){var n=l[m],k=f.getobjectbyproperty("uuid",n.object);void 0!==k&&f.addlevel(k,n.distance)}return f}}()}),_h.prototype={constructor:_h,getpoint:function(a){return console.warn("three.curve: warning, getpoint() not implemented!"),null},getpointat:function(a){var b=this.getutotmapping(a);return this.getpoint(b)},getpoints:function(a){isnan(a)&&(a=5);for(var b=[],c=0;c<=a;c++)b.push(this.getpoint(c/a));return b},getspacedpoints:function(a){isnan(a)&&(a=5);for(var b=[],c=0;c<=a;c++)b.push(this.getpointat(c/a));return b},getlength:function(){var a=this.getlengths();return a[a.length-1]},getlengths:function(a){if(isnan(a)&&(a=this.__arclengthdivisions?this.__arclengthdivisions:200),this.cachearclengths&&this.cachearclengths.length===a+1&&!this.needsupdate)return this.cachearclengths;this.needsupdate=!1;var c,e,b=[],d=this.getpoint(0),f=0;for(b.push(0),e=1;e<=a;e++)c=this.getpoint(e/a),f+=c.distanceto(d),b.push(f),d=c;return this.cachearclengths=b,b},updatearclengths:function(){this.needsupdate=!0,this.getlengths()},getutotmapping:function(a,b){var f,c=this.getlengths(),d=0,e=c.length;f=b?b:a*c[e-1];for(var i,g=0,h=e-1;g<=h;)if(d=math.floor(g+(h-g)/2),i=c[d]-f,i<0)g=d+1;else{if(!(i>0)){h=d;break}h=d-1}if(d=h,c[d]===f){var j=d/(e-1);return j}var k=c[d],l=c[d+1],m=l-k,n=(f-k)/m,j=(d+n)/(e-1);return j},gettangent:function(a){var b=1e-4,c=a-b,d=a+b;c<0&&(c=0),d>1&&(d=1);var e=this.getpoint(c),f=this.getpoint(d),g=f.clone().sub(e);return g.normalize()},gettangentat:function(a){var b=this.getutotmapping(a);return this.gettangent(b)},computefrenetframes:function(a,b){var i,j,k,c=new bb,d=[],e=[],f=[],g=new bb,h=new cb;for(i=0;i<=a;i++)j=i/a,d[i]=this.gettangentat(j),d[i].normalize();e[0]=new bb,f[0]=new bb;var l=number.max_value,m=math.abs(d[0].x),n=math.abs(d[0].y),o=math.abs(d[0].z);for(m<=l&&(l=m,c.set(1,0,0)),n<=l&&(l=n,c.set(0,1,0)),o<=l&&c.set(0,0,1),g.crossvectors(d[0],c).normalize(),e[0].crossvectors(d[0],g),f[0].crossvectors(d[0],e[0]),i=1;i<=a;i++)e[i]=e[i-1].clone(),f[i]=f[i-1].clone(),g.crossvectors(d[i-1],d[i]),g.length()>number.epsilon&&(g.normalize(),k=math.acos(tb.clamp(d[i-1].dot(d[i]),-1,1)),e[i].applymatrix4(h.makerotationaxis(g,k))),f[i].crossvectors(d[i],e[i]);if(b===!0)for(k=math.acos(tb.clamp(e[0].dot(e[a]),-1,1)),k/=a,d[0].dot(g.crossvectors(e[0],e[a]))>0&&(k=-k),i=1;i<=a;i++)e[i].applymatrix4(h.makerotationaxis(d[i],k*i)),f[i].crossvectors(d[i],e[i]);return{tangents:d,normals:e,binormals:f}}},ai.prototype=object.create(_h.prototype),ai.prototype.constructor=ai,ai.prototype.islinecurve=!0,ai.prototype.getpoint=function(a){if(1===a)return this.v2.clone();var b=this.v2.clone().sub(this.v1);return b.multiplyscalar(a).add(this.v1),b},ai.prototype.getpointat=function(a){return this.getpoint(a)},ai.prototype.gettangent=function(a){var b=this.v2.clone().sub(this.v1);return b.normalize()},bi.prototype=object.assign(object.create(_h.prototype),{constructor:bi,add:function(a){this.curves.push(a)},closepath:function(){var a=this.curves[0].getpoint(0),b=this.curves[this.curves.length-1].getpoint(1);a.equals(b)||this.curves.push(new ai(b,a))},getpoint:function(a){for(var b=a*this.getlength(),c=this.getcurvelengths(),d=0;d<c.length;){if(c[d]>=b){var e=c[d]-b,f=this.curves[d],g=f.getlength(),h=0===g?0:1-e/g;return f.getpointat(h)}d++}return null},getlength:function(){var a=this.getcurvelengths();return a[a.length-1]},updatearclengths:function(){this.needsupdate=!0,this.cachelengths=null,this.getlengths()},getcurvelengths:function(){if(this.cachelengths&&this.cachelengths.length===this.curves.length)return this.cachelengths;for(var a=[],b=0,c=0,d=this.curves.length;c<d;c++)b+=this.curves[c].getlength(),a.push(b);return this.cachelengths=a,a},getspacedpoints:function(a){isnan(a)&&(a=40);for(var b=[],c=0;c<=a;c++)b.push(this.getpoint(c/a));return this.autoclose&&b.push(b[0]),b},getpoints:function(a){a=a||12;for(var c,b=[],d=0,e=this.curves;d<e.length;d++)for(var f=e[d],g=f&&f.isellipsecurve?2*a:f&&f.islinecurve?1:f&&f.issplinecurve?a*f.points.length:a,h=f.getpoints(g),i=0;i<h.length;i++){var j=h[i];c&&c.equals(j)||(b.push(j),c=j)}return this.autoclose&&b.length>1&&!b[b.length-1].equals(b[0])&&b.push(b[0]),b},createpointsgeometry:function(a){var b=this.getpoints(a);return this.creategeometry(b)},createspacedpointsgeometry:function(a){var b=this.getspacedpoints(a);return this.creategeometry(b)},creategeometry:function(a){for(var b=new ef,c=0,d=a.length;c<d;c++){var e=a[c];b.vertices.push(new bb(e.x,e.y,e.z||0))}return b}}),ci.prototype=object.create(_h.prototype),ci.prototype.constructor=ci,ci.prototype.isellipsecurve=!0,ci.prototype.getpoint=function(a){for(var b=2*math.pi,c=this.aendangle-this.astartangle,d=math.abs(c)<number.epsilon;c<0;)c+=b;for(;c>b;)c-=b;c<number.epsilon&&(c=d?0:b),this.aclockwise!==!0||d||(c===b?c=-b:c-=b);var e=this.astartangle+a*c,f=this.ax+this.xradius*math.cos(e),g=this.ay+this.yradius*math.sin(e);if(0!==this.arotation){var h=math.cos(this.arotation),i=math.sin(this.arotation),j=f-this.ax,k=g-this.ay;f=j*h-k*i+this.ax,g=j*i+k*h+this.ay}return new ub(f,g)},di.prototype=object.create(_h.prototype),di.prototype.constructor=di,di.prototype.issplinecurve=!0,di.prototype.getpoint=function(a){var b=this.points,c=(b.length-1)*a,d=math.floor(c),e=c-d,f=b[0===d?d:d-1],g=b[d],h=b[d>b.length-2?b.length-1:d+1],i=b[d>b.length-3?b.length-1:d+2];return new ub(rh(e,f.x,g.x,h.x,i.x),rh(e,f.y,g.y,h.y,i.y))},ei.prototype=object.create(_h.prototype),ei.prototype.constructor=ei,ei.prototype.getpoint=function(a){var b=this.v0,c=this.v1,d=this.v2,e=this.v3;return new ub($h(a,b.x,c.x,d.x,e.x),$h(a,b.y,c.y,d.y,e.y))},fi.prototype=object.create(_h.prototype),fi.prototype.constructor=fi,fi.prototype.getpoint=function(a){var b=this.v0,c=this.v1,d=this.v2;return new ub(vh(a,b.x,c.x,d.x),vh(a,b.y,c.y,d.y))};var gi=object.assign(object.create(bi.prototype),{frompoints:function(a){this.moveto(a[0].x,a[0].y);for(var b=1,c=a.length;b<c;b++)this.lineto(a[b].x,a[b].y)},moveto:function(a,b){this.currentpoint.set(a,b)},lineto:function(a,b){var c=new ai(this.currentpoint.clone(),new ub(a,b));this.curves.push(c),this.currentpoint.set(a,b)},quadraticcurveto:function(a,b,c,d){var e=new fi(this.currentpoint.clone(),new ub(a,b),new ub(c,d));this.curves.push(e),this.currentpoint.set(c,d)},beziercurveto:function(a,b,c,d,e,f){var g=new ei(this.currentpoint.clone(),new ub(a,b),new ub(c,d),new ub(e,f));this.curves.push(g),this.currentpoint.set(e,f)},splinethru:function(a){var b=[this.currentpoint.clone()].concat(a),c=new di(b);this.curves.push(c),this.currentpoint.copy(a[a.length-1])},arc:function(a,b,c,d,e,f){var g=this.currentpoint.x,h=this.currentpoint.y;
    this.absarc(a+g,b+h,c,d,e,f)},absarc:function(a,b,c,d,e,f){this.absellipse(a,b,c,c,d,e,f)},ellipse:function(a,b,c,d,e,f,g,h){var i=this.currentpoint.x,j=this.currentpoint.y;this.absellipse(a+i,b+j,c,d,e,f,g,h)},absellipse:function(a,b,c,d,e,f,g,h){var i=new ci(a,b,c,d,e,f,g,h);if(this.curves.length>0){var j=i.getpoint(0);j.equals(this.currentpoint)||this.lineto(j.x,j.y)}this.curves.push(i);var k=i.getpoint(1);this.currentpoint.copy(k)}});hi.prototype=gi,gi.constructor=hi,ii.prototype=object.assign(object.create(gi),{constructor:ii,getpointsholes:function(a){for(var b=[],c=0,d=this.holes.length;c<d;c++)b[c]=this.holes[c].getpoints(a);return b},extractallpoints:function(a){return{shape:this.getpoints(a),holes:this.getpointsholes(a)}},extractpoints:function(a){return this.extractallpoints(a)}}),ji.prototype={moveto:function(a,b){this.currentpath=new hi,this.subpaths.push(this.currentpath),this.currentpath.moveto(a,b)},lineto:function(a,b){this.currentpath.lineto(a,b)},quadraticcurveto:function(a,b,c,d){this.currentpath.quadraticcurveto(a,b,c,d)},beziercurveto:function(a,b,c,d,e,f){this.currentpath.beziercurveto(a,b,c,d,e,f)},splinethru:function(a){this.currentpath.splinethru(a)},toshapes:function(a,b){function c(a){for(var b=[],c=0,d=a.length;c<d;c++){var e=a[c],f=new ii;f.curves=e.curves,b.push(f)}return b}function d(a,b){for(var c=b.length,d=!1,e=c-1,f=0;f<c;e=f++){var g=b[e],h=b[f],i=h.x-g.x,j=h.y-g.y;if(math.abs(j)>number.epsilon){if(j<0&&(g=b[f],i=-i,h=b[e],j=-j),a.y<g.y||a.y>h.y)continue;if(a.y===g.y){if(a.x===g.x)return!0}else{var k=j*(a.x-g.x)-i*(a.y-g.y);if(0===k)return!0;if(k<0)continue;d=!d}}else{if(a.y!==g.y)continue;if(h.x<=a.x&&a.x<=g.x||g.x<=a.x&&a.x<=h.x)return!0}}return d}var e=cg.isclockwise,f=this.subpaths;if(0===f.length)return[];if(b===!0)return c(f);var g,h,i,j=[];if(1===f.length)return h=f[0],i=new ii,i.curves=h.curves,j.push(i),j;var k=!e(f[0].getpoints());k=a?!k:k;var p,l=[],m=[],n=[],o=0;m[o]=void 0,n[o]=[];for(var q=0,r=f.length;q<r;q++)h=f[q],p=h.getpoints(),g=e(p),g=a?!g:g,g?(!k&&m[o]&&o++,m[o]={s:new ii,p:p},m[o].s.curves=h.curves,k&&o++,n[o]=[]):n[o].push({h:h,p:p[0]});if(!m[0])return c(f);if(m.length>1){for(var s=!1,t=[],u=0,v=m.length;u<v;u++)l[u]=[];for(var u=0,v=m.length;u<v;u++)for(var w=n[u],x=0;x<w.length;x++){for(var y=w[x],z=!0,a=0;a<m.length;a++)d(y.p,m[a].p)&&(u!==a&&t.push({froms:u,tos:a,hole:x}),z?(z=!1,l[a].push(y)):s=!0);z&&l[u].push(y)}t.length>0&&(s||(n=l))}for(var b,q=0,c=m.length;q<c;q++){i=m[q].s,j.push(i),b=n[q];for(var d=0,e=b.length;d<e;d++)i.holes.push(b[d].h)}return j}},object.assign(ki.prototype,{isfont:!0,generateshapes:function(a,b,c){function d(a){for(var c=string(a).split(""),d=b/f.resolution,g=(f.boundingbox.ymax-f.boundingbox.ymin+f.underlinethickness)*d,h=0,i=0,j=[],k=0;k<c.length;k++){var l=c[k];if("\n"===l)h=0,i-=g;else{var m=e(l,d,h,i);h+=m.offsetx,j.push(m.path)}}return j}function e(a,b,d,e){var g=f.glyphs[a]||f.glyphs["?"];if(g){var j,k,l,m,n,o,p,q,r,s,t,h=new ji,i=[];if(g.o)for(var u=g._cachedoutline||(g._cachedoutline=g.o.split(" ")),v=0,w=u.length;v<w;){var x=u[v++];switch(x){case"m":j=u[v++]*b+d,k=u[v++]*b+e,h.moveto(j,k);break;case"l":j=u[v++]*b+d,k=u[v++]*b+e,h.lineto(j,k);break;case"q":if(l=u[v++]*b+d,m=u[v++]*b+e,p=u[v++]*b+d,q=u[v++]*b+e,h.quadraticcurveto(p,q,l,m),t=i[i.length-1]){n=t.x,o=t.y;for(var y=1;y<=c;y++){var z=y/c;vh(z,n,p,l),vh(z,o,q,m)}}break;case"b":if(l=u[v++]*b+d,m=u[v++]*b+e,p=u[v++]*b+d,q=u[v++]*b+e,r=u[v++]*b+d,s=u[v++]*b+e,h.beziercurveto(p,q,r,s,l,m),t=i[i.length-1]){n=t.x,o=t.y;for(var y=1;y<=c;y++){var z=y/c;$h(z,n,p,r,l),$h(z,o,q,s,m)}}}}return{offsetx:g.ha*b,path:h}}}void 0===b&&(b=100),void 0===c&&(c=4);for(var f=this.data,g=d(a),h=[],i=0,j=g.length;i<j;i++)array.prototype.push.apply(h,g[i].toshapes());return h}}),object.assign(li.prototype,{load:function(a,b,c,d){var e=this,f=new hh(this.manager);f.load(a,function(a){var c;try{c=json.parse(a)}catch(b){console.warn("three.fontloader: typeface.js support is being deprecated. use typeface.json instead."),c=json.parse(a.substring(65,a.length-2))}var d=e.parse(c);b&&b(d)},c,d)},parse:function(a){return new ki(a)}});var mi,ni={getcontext:function(){return void 0===mi&&(mi=new(window.audiocontext||window.webkitaudiocontext)),mi},setcontext:function(a){mi=a}};object.assign(oi.prototype,{load:function(a,b,c,d){var e=new hh(this.manager);e.setresponsetype("arraybuffer"),e.load(a,function(a){var c=ni.getcontext();c.decodeaudiodata(a,function(a){b(a)})},c,d)}}),pi.prototype=object.assign(object.create(nh.prototype),{constructor:pi,isrectarealight:!0,copy:function(a){return nh.prototype.copy.call(this,a),this.width=a.width,this.height=a.height,this}}),object.assign(qi.prototype,{update:function(){var a,b,c,d,e,f,g,h=new cb,i=new cb;return function(k){var l=a!==this||b!==k.focus||c!==k.fov||d!==k.aspect*this.aspect||e!==k.near||f!==k.far||g!==k.zoom;if(l){a=this,b=k.focus,c=k.fov,d=k.aspect*this.aspect,e=k.near,f=k.far,g=k.zoom;var q,r,m=k.projectionmatrix.clone(),n=this.eyesep/2,o=n*e/b,p=e*math.tan(tb.deg2rad*c*.5)/g;i.elements[12]=-n,h.elements[12]=n,q=-p*d+o,r=p*d+o,m.elements[0]=2*e/(r-q),m.elements[8]=(r+q)/(r-q),this.cameral.projectionmatrix.copy(m),q=-p*d-o,r=p*d-o,m.elements[0]=2*e/(r-q),m.elements[8]=(r+q)/(r-q),this.camerar.projectionmatrix.copy(m)}this.cameral.matrixworld.copy(k.matrixworld).multiply(i),this.camerar.matrixworld.copy(k.matrixworld).multiply(h)}}()}),ri.prototype=object.create(ne.prototype),ri.prototype.constructor=ri,si.prototype=object.assign(object.create(ne.prototype),{constructor:si,getinput:function(){return this.gain},removefilter:function(){null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null)},getfilter:function(){return this.filter},setfilter:function(a){null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=a,this.gain.connect(this.filter),this.filter.connect(this.context.destination)},getmastervolume:function(){return this.gain.gain.value},setmastervolume:function(a){this.gain.gain.value=a},updatematrixworld:function(){var a=new bb,b=new ab,c=new bb,d=new bb;return function(f){ne.prototype.updatematrixworld.call(this,f);var g=this.context.listener,h=this.up;this.matrixworld.decompose(a,b,c),d.set(0,0,-1).applyquaternion(b),g.positionx?(g.positionx.setvalueattime(a.x,this.context.currenttime),g.positiony.setvalueattime(a.y,this.context.currenttime),g.positionz.setvalueattime(a.z,this.context.currenttime),g.forwardx.setvalueattime(d.x,this.context.currenttime),g.forwardy.setvalueattime(d.y,this.context.currenttime),g.forwardz.setvalueattime(d.z,this.context.currenttime),g.upx.setvalueattime(h.x,this.context.currenttime),g.upy.setvalueattime(h.y,this.context.currenttime),g.upz.setvalueattime(h.z,this.context.currenttime)):(g.setposition(a.x,a.y,a.z),g.setorientation(d.x,d.y,d.z,h.x,h.y,h.z))}}()}),ti.prototype=object.assign(object.create(ne.prototype),{constructor:ti,getoutput:function(){return this.gain},setnodesource:function(a){return this.hasplaybackcontrol=!1,this.sourcetype="audionode",this.source=a,this.connect(),this},setbuffer:function(a){return this.buffer=a,this.sourcetype="buffer",this.autoplay&&this.play(),this},play:function(){if(this.isplaying===!0)return void console.warn("three.audio: audio is already playing.");if(this.hasplaybackcontrol===!1)return void console.warn("three.audio: this audio has no playback control.");var a=this.context.createbuffersource();return a.buffer=this.buffer,a.loop=this.loop,a.onended=this.onended.bind(this),a.playbackrate.setvalueattime(this.playbackrate,this.starttime),a.start(0,this.starttime),this.isplaying=!0,this.source=a,this.connect()},pause:function(){return this.hasplaybackcontrol===!1?void console.warn("three.audio: this audio has no playback control."):(this.source.stop(),this.starttime=this.context.currenttime,this.isplaying=!1,this)},stop:function(){return this.hasplaybackcontrol===!1?void console.warn("three.audio: this audio has no playback control."):(this.source.stop(),this.starttime=0,this.isplaying=!1,this)},connect:function(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(var a=1,b=this.filters.length;a<b;a++)this.filters[a-1].connect(this.filters[a]);this.filters[this.filters.length-1].connect(this.getoutput())}else this.source.connect(this.getoutput());return this},disconnect:function(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(var a=1,b=this.filters.length;a<b;a++)this.filters[a-1].disconnect(this.filters[a]);this.filters[this.filters.length-1].disconnect(this.getoutput())}else this.source.disconnect(this.getoutput());return this},getfilters:function(){return this.filters},setfilters:function(a){return a||(a=[]),this.isplaying===!0?(this.disconnect(),this.filters=a,this.connect()):this.filters=a,this},getfilter:function(){return this.getfilters()[0]},setfilter:function(a){return this.setfilters(a?[a]:[])},setplaybackrate:function(a){return this.hasplaybackcontrol===!1?void console.warn("three.audio: this audio has no playback control."):(this.playbackrate=a,this.isplaying===!0&&this.source.playbackrate.setvalueattime(this.playbackrate,this.context.currenttime),this)},getplaybackrate:function(){return this.playbackrate},onended:function(){this.isplaying=!1},getloop:function(){return this.hasplaybackcontrol===!1?(console.warn("three.audio: this audio has no playback control."),!1):this.loop},setloop:function(a){return this.hasplaybackcontrol===!1?void console.warn("three.audio: this audio has no playback control."):(this.loop=a,this.isplaying===!0&&(this.source.loop=this.loop),this)},getvolume:function(){return this.gain.gain.value},setvolume:function(a){return this.gain.gain.value=a,this}}),ui.prototype=object.assign(object.create(ti.prototype),{constructor:ui,getoutput:function(){return this.panner},getrefdistance:function(){return this.panner.refdistance},setrefdistance:function(a){this.panner.refdistance=a},getrollofffactor:function(){return this.panner.rollofffactor},setrollofffactor:function(a){this.panner.rollofffactor=a},getdistancemodel:function(){return this.panner.distancemodel},setdistancemodel:function(a){this.panner.distancemodel=a},getmaxdistance:function(){return this.panner.maxdistance},setmaxdistance:function(a){this.panner.maxdistance=a},updatematrixworld:function(){var a=new bb;return function(c){ne.prototype.updatematrixworld.call(this,c),a.setfrommatrixposition(this.matrixworld),this.panner.setposition(a.x,a.y,a.z)}}()}),object.assign(vi.prototype,{getfrequencydata:function(){return this.analyser.getbytefrequencydata(this.data),this.data},getaveragefrequency:function(){for(var a=0,b=this.getfrequencydata(),c=0;c<b.length;c++)a+=b[c];return a/b.length}}),wi.prototype={constructor:wi,accumulate:function(a,b){var c=this.buffer,d=this.valuesize,e=a*d+d,f=this.cumulativeweight;if(0===f){for(var g=0;g!==d;++g)c[e+g]=c[g];f=b}else{f+=b;var h=b/f;this._mixbufferregion(c,e,0,h,d)}this.cumulativeweight=f},apply:function(a){var b=this.valuesize,c=this.buffer,d=a*b+b,e=this.cumulativeweight,f=this.binding;if(this.cumulativeweight=0,e<1){var g=3*b;this._mixbufferregion(c,d,g,1-e,b)}for(var h=b,i=b+b;h!==i;++h)if(c[h]!==c[h+b]){f.setvalue(c,d);break}},saveoriginalstate:function(){var a=this.binding,b=this.buffer,c=this.valuesize,d=3*c;a.getvalue(b,d);for(var e=c,f=d;e!==f;++e)b[e]=b[d+e%c];this.cumulativeweight=0},restoreoriginalstate:function(){var a=3*this.valuesize;this.binding.setvalue(this.buffer,a)},_select:function(a,b,c,d,e){if(d>=.5)for(var f=0;f!==e;++f)a[b+f]=a[c+f]},_slerp:function(a,b,c,d,e){ab.slerpflat(a,b,a,b,a,c,d)},_lerp:function(a,b,c,d,e){for(var f=1-d,g=0;g!==e;++g){var h=b+g;a[h]=a[h]*f+a[c+g]*d}}},xi.prototype={constructor:xi,getvalue:function(b,c){this.bind(),this.getvalue(b,c)},setvalue:function(b,c){this.bind(),this.setvalue(b,c)},bind:function(){var a=this.node,b=this.parsedpath,c=b.objectname,d=b.propertyname,e=b.propertyindex;if(a||(a=xi.findnode(this.rootnode,b.nodename)||this.rootnode,this.node=a),this.getvalue=this._getvalue_unavailable,this.setvalue=this._setvalue_unavailable,!a)return void console.error("  trying to update node for track: "+this.path+" but it wasn't found.");if(c){var f=b.objectindex;switch(c){case"materials":if(!a.material)return void console.error("  can not bind to material as node does not have a material",this);if(!a.material.materials)return void console.error("  can not bind to material.materials as node.material does not have a materials array",this);a=a.material.materials;break;case"bones":if(!a.skeleton)return void console.error("  can not bind to bones as node does not have a skeleton",this);a=a.skeleton.bones;for(var g=0;g<a.length;g++)if(a[g].name===f){f=g;break}break;default:if(void 0===a[c])return void console.error("  can not bind to objectname of node, undefined",this);a=a[c]}if(void 0!==f){if(void 0===a[f])return void console.error("  trying to bind to objectindex of objectname, but is undefined:",this,a);a=a[f]}}var h=a[d];if(void 0===h){var i=b.nodename;return void console.error("  trying to update property for track: "+i+"."+d+" but it wasn't found.",a)}var j=this.versioning.none;void 0!==a.needsupdate?(j=this.versioning.needsupdate,this.targetobject=a):void 0!==a.matrixworldneedsupdate&&(j=this.versioning.matrixworldneedsupdate,this.targetobject=a);var k=this.bindingtype.direct;if(void 0!==e){if("morphtargetinfluences"===d){if(!a.geometry)return void console.error("  can not bind to morphtargetinfluences becasuse node does not have a geometry",this);if(!a.geometry.morphtargets)return void console.error("  can not bind to morphtargetinfluences becasuse node does not have a geometry.morphtargets",this);for(var g=0;g<this.node.geometry.morphtargets.length;g++)if(a.geometry.morphtargets[g].name===e){e=g;break}}k=this.bindingtype.arrayelement,this.resolvedproperty=h,this.propertyindex=e}else void 0!==h.fromarray&&void 0!==h.toarray?(k=this.bindingtype.hasfromtoarray,this.resolvedproperty=h):void 0!==h.length?(k=this.bindingtype.entirearray,this.resolvedproperty=h):this.propertyname=d;this.getvalue=this.getterbybindingtype[k],this.setvalue=this.setterbybindingtypeandversioning[k][j]},unbind:function(){this.node=null,this.getvalue=this._getvalue_unbound,this.setvalue=this._setvalue_unbound}},object.assign(xi.prototype,{_getvalue_unavailable:function(){},_setvalue_unavailable:function(){},_getvalue_unbound:xi.prototype.getvalue,_setvalue_unbound:xi.prototype.setvalue,bindingtype:{direct:0,entirearray:1,arrayelement:2,hasfromtoarray:3},versioning:{none:0,needsupdate:1,matrixworldneedsupdate:2},getterbybindingtype:[function(b,c){b[c]=this.node[this.propertyname]},function(b,c){for(var d=this.resolvedproperty,e=0,f=d.length;e!==f;++e)b[c++]=d[e]},function(b,c){b[c]=this.resolvedproperty[this.propertyindex]},function(b,c){this.resolvedproperty.toarray(b,c)}],setterbybindingtypeandversioning:[[function(b,c){this.node[this.propertyname]=b[c]},function(b,c){this.node[this.propertyname]=b[c],this.targetobject.needsupdate=!0},function(b,c){this.node[this.propertyname]=b[c],this.targetobject.matrixworldneedsupdate=!0}],[function(b,c){for(var d=this.resolvedproperty,e=0,f=d.length;e!==f;++e)d[e]=b[c++]},function(b,c){for(var d=this.resolvedproperty,e=0,f=d.length;e!==f;++e)d[e]=b[c++];this.targetobject.needsupdate=!0},function(b,c){for(var d=this.resolvedproperty,e=0,f=d.length;e!==f;++e)d[e]=b[c++];this.targetobject.matrixworldneedsupdate=!0}],[function(b,c){this.resolvedproperty[this.propertyindex]=b[c]},function(b,c){this.resolvedproperty[this.propertyindex]=b[c],this.targetobject.needsupdate=!0},function(b,c){this.resolvedproperty[this.propertyindex]=b[c],this.targetobject.matrixworldneedsupdate=!0}],[function(b,c){this.resolvedproperty.fromarray(b,c)},function(b,c){this.resolvedproperty.fromarray(b,c),this.targetobject.needsupdate=!0},function(b,c){this.resolvedproperty.fromarray(b,c),this.targetobject.matrixworldneedsupdate=!0}]]}),xi.composite=function(a,b,c){var d=c||xi.parsetrackname(b);this._targetgroup=a,this._bindings=a.subscribe_(b,d)},xi.composite.prototype={constructor:xi.composite,getvalue:function(a,b){this.bind();var c=this._targetgroup.ncachedobjects_,d=this._bindings[c];void 0!==d&&d.getvalue(a,b)},setvalue:function(a,b){for(var c=this._bindings,d=this._targetgroup.ncachedobjects_,e=c.length;d!==e;++d)c[d].setvalue(a,b)},bind:function(){for(var a=this._bindings,b=this._targetgroup.ncachedobjects_,c=a.length;b!==c;++b)a[b].bind()},unbind:function(){for(var a=this._bindings,b=this._targetgroup.ncachedobjects_,c=a.length;b!==c;++b)a[b].unbind()}},xi.create=function(a,b,c){return a&&a.isanimationobjectgroup?new xi.composite(a,b,c):new xi(a,b,c)},xi.parsetrackname=function(a){var b=/^((?:[\w-]+[\/:])*)([\w-]+)?(?:\.([\w-]+)(?:\[(.+)\])?)?\.([\w-]+)(?:\[(.+)\])?$/,c=b.exec(a);if(!c)throw new error("cannot parse trackname at all: "+a);var d={nodename:c[2],objectname:c[3],objectindex:c[4],propertyname:c[5],propertyindex:c[6]};if(null===d.propertyname||0===d.propertyname.length)throw new error("can not parse propertyname from trackname: "+a);return d},xi.findnode=function(a,b){if(!b||""===b||"root"===b||"."===b||b===-1||b===a.name||b===a.uuid)return a;if(a.skeleton){var c=function(a){for(var c=0;c<a.bones.length;c++){var d=a.bones[c];if(d.name===b)return d}return null},d=c(a.skeleton);if(d)return d}if(a.children){var e=function(a){for(var c=0;c<a.length;c++){var d=a[c];if(d.name===b||d.uuid===b)return d;var f=e(d.children);if(f)return f}return null},f=e(a.children);if(f)return f}return null},yi.prototype={constructor:yi,isanimationobjectgroup:!0,add:function(a){for(var b=this._objects,c=b.length,d=this.ncachedobjects_,e=this._indicesbyuuid,f=this._paths,g=this._parsedpaths,h=this._bindings,i=h.length,j=0,k=arguments.length;j!==k;++j){var l=arguments[j],m=l.uuid,n=e[m],o=void 0;if(void 0===n){n=c++,e[m]=n,b.push(l);for(var p=0,q=i;p!==q;++p)h[p].push(new xi(l,f[p],g[p]))}else if(n<d){o=b[n];var r=--d,s=b[r];e[s.uuid]=n,b[n]=s,e[m]=r,b[r]=l;for(var p=0,q=i;p!==q;++p){var t=h[p],u=t[r],v=t[n];t[n]=u,void 0===v&&(v=new xi(l,f[p],g[p])),t[r]=v}}else b[n]!==o&&console.error("different objects with the same uuid detected. clean the caches or recreate your infrastructure when reloading scenes...")}this.ncachedobjects_=d},remove:function(a){for(var b=this._objects,c=this.ncachedobjects_,d=this._indicesbyuuid,e=this._bindings,f=e.length,g=0,h=arguments.length;g!==h;++g){var i=arguments[g],j=i.uuid,k=d[j];if(void 0!==k&&k>=c){var l=c++,m=b[l];d[m.uuid]=k,b[k]=m,d[j]=l,b[l]=i;for(var n=0,o=f;n!==o;++n){var p=e[n],q=p[l],r=p[k];p[k]=q,p[l]=r}}}this.ncachedobjects_=c},uncache:function(a){for(var b=this._objects,c=b.length,d=this.ncachedobjects_,e=this._indicesbyuuid,f=this._bindings,g=f.length,h=0,i=arguments.length;h!==i;++h){var j=arguments[h],k=j.uuid,l=e[k];if(void 0!==l)if(delete e[k],l<d){var m=--d,n=b[m],o=--c,p=b[o];e[n.uuid]=l,b[l]=n,e[p.uuid]=m,b[m]=p,b.pop();for(var q=0,r=g;q!==r;++q){var s=f[q],t=s[m],u=s[o];s[l]=t,s[m]=u,s.pop()}}else{var o=--c,p=b[o];e[p.uuid]=l,b[l]=p,b.pop();for(var q=0,r=g;q!==r;++q){var s=f[q];s[l]=s[o],s.pop()}}}this.ncachedobjects_=d},subscribe_:function(a,b){var c=this._bindingsindicesbypath,d=c[a],e=this._bindings;if(void 0!==d)return e[d];var f=this._paths,g=this._parsedpaths,h=this._objects,i=h.length,j=this.ncachedobjects_,k=new array(i);d=e.length,c[a]=d,f.push(a),g.push(b),e.push(k);for(var l=j,m=h.length;l!==m;++l){var n=h[l];k[l]=new xi(n,a,b)}return k},unsubscribe_:function(a){var b=this._bindingsindicesbypath,c=b[a];if(void 0!==c){var d=this._paths,e=this._parsedpaths,f=this._bindings,g=f.length-1,h=f[g],i=a[g];b[i]=c,f[c]=h,f.pop(),e[c]=e[g],e.pop(),d[c]=d[g],d.pop()}}},zi.prototype={constructor:zi,play:function(){return this._mixer._activateaction(this),this},stop:function(){return this._mixer._deactivateaction(this),this.reset()},reset:function(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopcount=-1,this._starttime=null,this.stopfading().stopwarping()},isrunning:function(){return this.enabled&&!this.paused&&0!==this.timescale&&null===this._starttime&&this._mixer._isactiveaction(this)},isscheduled:function(){return this._mixer._isactiveaction(this)},startat:function(a){return this._starttime=a,this},setloop:function(a,b){return this.loop=a,this.repetitions=b,this},seteffectiveweight:function(a){return this.weight=a,this._effectiveweight=this.enabled?a:0,this.stopfading()},geteffectiveweight:function(){return this._effectiveweight},fadein:function(a){return this._schedulefading(a,0,1)},fadeout:function(a){return this._schedulefading(a,1,0)},crossfadefrom:function(a,b,c){if(a.fadeout(b),this.fadein(b),c){var d=this._clip.duration,e=a._clip.duration,f=e/d,g=d/e;a.warp(1,f,b),this.warp(g,1,b)}return this},crossfadeto:function(a,b,c){return a.crossfadefrom(this,b,c)},stopfading:function(){var a=this._weightinterpolant;return null!==a&&(this._weightinterpolant=null,this._mixer._takebackcontrolinterpolant(a)),this},seteffectivetimescale:function(a){return this.timescale=a,this._effectivetimescale=this.paused?0:a,this.stopwarping()},geteffectivetimescale:function(){return this._effectivetimescale},setduration:function(a){return this.timescale=this._clip.duration/a,this.stopwarping()},syncwith:function(a){return this.time=a.time,this.timescale=a.timescale,this.stopwarping()},halt:function(a){return this.warp(this._effectivetimescale,0,a)},warp:function(a,b,c){var d=this._mixer,e=d.time,f=this._timescaleinterpolant,g=this.timescale;null===f&&(f=d._lendcontrolinterpolant(),this._timescaleinterpolant=f);var h=f.parameterpositions,i=f.samplevalues;return h[0]=e,h[1]=e+c,i[0]=a/g,i[1]=b/g,this},stopwarping:function(){var a=this._timescaleinterpolant;return null!==a&&(this._timescaleinterpolant=null,this._mixer._takebackcontrolinterpolant(a)),this},getmixer:function(){return this._mixer},getclip:function(){return this._clip},getroot:function(){return this._localroot||this._mixer._root},_update:function(a,b,c,d){var e=this._starttime;if(null!==e){var f=(a-e)*c;if(f<0||0===c)return;this._starttime=null,b=c*f}b*=this._updatetimescale(a);var g=this._updatetime(b),h=this._updateweight(a);if(h>0)for(var i=this._interpolants,j=this._propertybindings,k=0,l=i.length;k!==l;++k)i[k].evaluate(g),j[k].accumulate(d,h)},_updateweight:function(a){var b=0;if(this.enabled){b=this.weight;var c=this._weightinterpolant;if(null!==c){var d=c.evaluate(a)[0];b*=d,a>c.parameterpositions[1]&&(this.stopfading(),0===d&&(this.enabled=!1))}}return this._effectiveweight=b,b},_updatetimescale:function(a){var b=0;if(!this.paused){b=this.timescale;var c=this._timescaleinterpolant;if(null!==c){var d=c.evaluate(a)[0];b*=d,a>c.parameterpositions[1]&&(this.stopwarping(),0===b?this.paused=!0:this.timescale=b)}}return this._effectivetimescale=b,b},_updatetime:function(a){var b=this.time+a;if(0===a)return b;var c=this._clip.duration,d=this.loop,e=this._loopcount;if(d===za){e===-1&&(this._loopcount=0,this._setendings(!0,!0,!1));a:{if(b>=c)b=c;else{if(!(b<0))break a;b=0}this.clampwhenfinished?this.paused=!0:this.enabled=!1,this._mixer.dispatchevent({type:"finished",action:this,direction:a<0?-1:1})}}else{var f=d===_a;if(e===-1&&(a>=0?(e=0,this._setendings(!0,0===this.repetitions,f)):this._setendings(0===this.repetitions,!0,f)),b>=c||b<0){var g=math.floor(b/c);b-=c*g,e+=math.abs(g);var h=this.repetitions-e;if(h<0)this.clampwhenfinished?this.paused=!0:this.enabled=!1,b=a>0?c:0,this._mixer.dispatchevent({type:"finished",action:this,direction:a>0?1:-1});else{if(0===h){var i=a<0;this._setendings(i,!i,f)}else this._setendings(!1,!1,f);this._loopcount=e,this._mixer.dispatchevent({type:"loop",action:this,loopdelta:g})}}if(f&&1===(1&e))return this.time=b,c-b}return this.time=b,b},_setendings:function(a,b,c){var d=this._interpolantsettings;c?(d.endingstart=eb,d.endingend=eb):(a?d.endingstart=this.zeroslopeatstart?eb:db:d.endingstart=fb,b?d.endingend=this.zeroslopeatend?eb:db:d.endingend=fb)},_schedulefading:function(a,b,c){var d=this._mixer,e=d.time,f=this._weightinterpolant;null===f&&(f=d._lendcontrolinterpolant(),this._weightinterpolant=f);var g=f.parameterpositions,h=f.samplevalues;return g[0]=e,h[0]=b,g[1]=e+a,h[1]=c,this}},ai.prototype={constructor:ai,clipaction:function(a,b){var c=b||this._root,d=c.uuid,e="string"==typeof a?lh.findbyname(c,a):a,f=null!==e?e.uuid:a,g=this._actionsbyclip[f],h=null;if(void 0!==g){var i=g.actionbyroot[d];if(void 0!==i)return i;h=g.knownactions[0],null===e&&(e=h._clip)}if(null===e)return null;var j=new zi(this,e,b);return this._bindaction(j,h),this._addinactiveaction(j,f,d),j},existingaction:function(a,b){var c=b||this._root,d=c.uuid,e="string"==typeof a?lh.findbyname(c,a):a,f=e?e.uuid:a,g=this._actionsbyclip[f];return void 0!==g?g.actionbyroot[d]||null:null},stopallaction:function(){var a=this._actions,b=this._nactiveactions,c=this._bindings,d=this._nactivebindings;this._nactiveactions=0,this._nactivebindings=0;for(var e=0;e!==b;++e)a[e].reset();for(var e=0;e!==d;++e)c[e].usecount=0;return this},update:function(a){a*=this.timescale;for(var b=this._actions,c=this._nactiveactions,d=this.time+=a,e=math.sign(a),f=this._accuindex^=1,g=0;g!==c;++g){var h=b[g];h.enabled&&h._update(d,a,e,f)}for(var i=this._bindings,j=this._nactivebindings,g=0;g!==j;++g)i[g].apply(f);return this},getroot:function(){return this._root},uncacheclip:function(a){var b=this._actions,c=a.uuid,d=this._actionsbyclip,e=d[c];if(void 0!==e){for(var f=e.knownactions,g=0,h=f.length;g!==h;++g){var i=f[g];this._deactivateaction(i);var j=i._cacheindex,k=b[b.length-1];i._cacheindex=null,i._byclipcacheindex=null,k._cacheindex=j,b[j]=k,b.pop(),this._removeinactivebindingsforaction(i)}delete d[c]}},uncacheroot:function(a){var b=a.uuid,c=this._actionsbyclip;for(var d in c){var e=c[d].actionbyroot,f=e[b];void 0!==f&&(this._deactivateaction(f),this._removeinactiveaction(f))}var g=this._bindingsbyrootandname,h=g[b];if(void 0!==h)for(var i in h){var j=h[i];j.restoreoriginalstate(),this._removeinactivebinding(j)}},uncacheaction:function(a,b){var c=this.existingaction(a,b);null!==c&&(this._deactivateaction(c),this._removeinactiveaction(c))}},object.assign(ai.prototype,{_bindaction:function(a,b){var c=a._localroot||this._root,d=a._clip.tracks,e=d.length,f=a._propertybindings,g=a._interpolants,h=c.uuid,i=this._bindingsbyrootandname,j=i[h];void 0===j&&(j={},i[h]=j);for(var k=0;k!==e;++k){var l=d[k],m=l.name,n=j[m];if(void 0!==n)f[k]=n;else{if(n=f[k],void 0!==n){null===n._cacheindex&&(++n.referencecount,this._addinactivebinding(n,h,m));continue}var o=b&&b._propertybindings[k].binding.parsedpath;n=new wi(xi.create(c,m,o),l.valuetypename,l.getvaluesize()),++n.referencecount,this._addinactivebinding(n,h,m),f[k]=n}g[k].resultbuffer=n.buffer}},_activateaction:function(a){if(!this._isactiveaction(a)){if(null===a._cacheindex){var b=(a._localroot||this._root).uuid,c=a._clip.uuid,d=this._actionsbyclip[c];this._bindaction(a,d&&d.knownactions[0]),this._addinactiveaction(a,c,b)}for(var e=a._propertybindings,f=0,g=e.length;f!==g;++f){var h=e[f];0===h.usecount++&&(this._lendbinding(h),h.saveoriginalstate())}this._lendaction(a)}},_deactivateaction:function(a){if(this._isactiveaction(a)){for(var b=a._propertybindings,c=0,d=b.length;c!==d;++c){var e=b[c];0===--e.usecount&&(e.restoreoriginalstate(),this._takebackbinding(e))}this._takebackaction(a)}},_initmemorymanager:function(){this._actions=[],this._nactiveactions=0,this._actionsbyclip={},this._bindings=[],this._nactivebindings=0,this._bindingsbyrootandname={},this._controlinterpolants=[],this._nactivecontrolinterpolants=0;var a=this;this.stats={actions:{get total(){return a._actions.length},get inuse(){return a._nactiveactions}},bindings:{get total(){return a._bindings.length},get inuse(){return a._nactivebindings}},controlinterpolants:{get total(){return a._controlinterpolants.length},get inuse(){return a._nactivecontrolinterpolants}}}},_isactiveaction:function(a){var b=a._cacheindex;return null!==b&&b<this._nactiveactions},_addinactiveaction:function(a,b,c){var d=this._actions,e=this._actionsbyclip,f=e[b];if(void 0===f)f={knownactions:[a],actionbyroot:{}},a._byclipcacheindex=0,e[b]=f;else{var g=f.knownactions;a._byclipcacheindex=g.length,g.push(a)}a._cacheindex=d.length,d.push(a),f.actionbyroot[c]=a},_removeinactiveaction:function(a){var b=this._actions,c=b[b.length-1],d=a._cacheindex;c._cacheindex=d,b[d]=c,b.pop(),a._cacheindex=null;var e=a._clip.uuid,f=this._actionsbyclip,g=f[e],h=g.knownactions,i=h[h.length-1],j=a._byclipcacheindex;i._byclipcacheindex=j,h[j]=i,h.pop(),a._byclipcacheindex=null;var k=g.actionbyroot,l=(b._localroot||this._root).uuid;delete k[l],0===h.length&&delete f[e],this._removeinactivebindingsforaction(a)},_removeinactivebindingsforaction:function(a){for(var b=a._propertybindings,c=0,d=b.length;c!==d;++c){var e=b[c];0===--e.referencecount&&this._removeinactivebinding(e)}},_lendaction:function(a){var b=this._actions,c=a._cacheindex,d=this._nactiveactions++,e=b[d];a._cacheindex=d,b[d]=a,e._cacheindex=c,b[c]=e},_takebackaction:function(a){var b=this._actions,c=a._cacheindex,d=--this._nactiveactions,e=b[d];a._cacheindex=d,b[d]=a,e._cacheindex=c,b[c]=e},_addinactivebinding:function(a,b,c){var d=this._bindingsbyrootandname,e=d[b],f=this._bindings;void 0===e&&(e={},d[b]=e),e[c]=a,a._cacheindex=f.length,f.push(a)},_removeinactivebinding:function(a){var b=this._bindings,c=a.binding,d=c.rootnode.uuid,e=c.path,f=this._bindingsbyrootandname,g=f[d],h=b[b.length-1],i=a._cacheindex;h._cacheindex=i,b[i]=h,b.pop(),delete g[e];a:{for(var j in g)break a;delete f[d]}},_lendbinding:function(a){var b=this._bindings,c=a._cacheindex,d=this._nactivebindings++,e=b[d];a._cacheindex=d,b[d]=a,e._cacheindex=c,b[c]=e},_takebackbinding:function(a){var b=this._bindings,c=a._cacheindex,d=--this._nactivebindings,e=b[d];a._cacheindex=d,b[d]=a,e._cacheindex=c,b[c]=e},_lendcontrolinterpolant:function(){var a=this._controlinterpolants,b=this._nactivecontrolinterpolants++,c=a[b];return void 0===c&&(c=new zh(new float32array(2),new float32array(2),1,this._controlinterpolantsresultbuffer),c.__cacheindex=b,a[b]=c),c},_takebackcontrolinterpolant:function(a){var b=this._controlinterpolants,c=a.__cacheindex,d=--this._nactivecontrolinterpolants,e=b[d];a.__cacheindex=d,b[d]=a,e.__cacheindex=c,b[c]=e},_controlinterpolantsresultbuffer:new float32array(1)}),object.assign(ai.prototype,b.prototype),bi.prototype.clone=function(){return new bi(void 0===this.value.clone?this.value:this.value.clone())},ci.prototype=object.create(ff.prototype),ci.prototype.constructor=ci,ci.prototype.isinstancedbuffergeometry=!0,ci.prototype.addgroup=function(a,b,c){this.groups.push({start:a,count:b,materialindex:c})},ci.prototype.copy=function(a){var b=a.index;null!==b&&this.setindex(b.clone());var c=a.attributes;for(var d in c){var e=c[d];this.addattribute(d,e.clone())}for(var f=a.groups,g=0,h=f.length;g<h;g++){var i=f[g];this.addgroup(i.start,i.count,i.materialindex)}return this},di.prototype={constructor:di,isinterleavedbufferattribute:!0,get count(){return this.data.count},get array(){return this.data.array},setx:function(a,b){return this.data.array[a*this.data.stride+this.offset]=b,this},sety:function(a,b){return this.data.array[a*this.data.stride+this.offset+1]=b,this},setz:function(a,b){return this.data.array[a*this.data.stride+this.offset+2]=b,this},setw:function(a,b){return this.data.array[a*this.data.stride+this.offset+3]=b,this},getx:function(a){return this.data.array[a*this.data.stride+this.offset]},gety:function(a){return this.data.array[a*this.data.stride+this.offset+1]},getz:function(a){return this.data.array[a*this.data.stride+this.offset+2]},getw:function(a){return this.data.array[a*this.data.stride+this.offset+3]},setxy:function(a,b,c){return a=a*this.data.stride+this.offset,this.data.array[a+0]=b,this.data.array[a+1]=c,this},setxyz:function(a,b,c,d){
    return a=a*this.data.stride+this.offset,this.data.array[a+0]=b,this.data.array[a+1]=c,this.data.array[a+2]=d,this},setxyzw:function(a,b,c,d,e){return a=a*this.data.stride+this.offset,this.data.array[a+0]=b,this.data.array[a+1]=c,this.data.array[a+2]=d,this.data.array[a+3]=e,this}},ei.prototype={constructor:ei,isinterleavedbuffer:!0,set needsupdate(a){a===!0&&this.version++},setarray:function(a){if(array.isarray(a))throw new typeerror("three.bufferattribute: array should be a typed array.");this.count=void 0!==a?a.length/this.stride:0,this.array=a},setdynamic:function(a){return this.dynamic=a,this},copy:function(a){return this.array=new a.array.constructor(a.array),this.count=a.count,this.stride=a.stride,this.dynamic=a.dynamic,this},copyat:function(a,b,c){a*=this.stride,c*=b.stride;for(var d=0,e=this.stride;d<e;d++)this.array[a+d]=b.array[c+d];return this},set:function(a,b){return void 0===b&&(b=0),this.array.set(a,b),this},clone:function(){return(new this.constructor).copy(this)},onupload:function(a){return this.onuploadcallback=a,this}},fi.prototype=object.create(ei.prototype),fi.prototype.constructor=fi,fi.prototype.isinstancedinterleavedbuffer=!0,fi.prototype.copy=function(a){return ei.prototype.copy.call(this,a),this.meshperattribute=a.meshperattribute,this},gi.prototype=object.create(se.prototype),gi.prototype.constructor=gi,gi.prototype.isinstancedbufferattribute=!0,gi.prototype.copy=function(a){return se.prototype.copy.call(this,a),this.meshperattribute=a.meshperattribute,this},hi.prototype={constructor:hi,lineprecision:1,set:function(a,b){this.ray.set(a,b)},setfromcamera:function(a,b){b&&b.isperspectivecamera?(this.ray.origin.setfrommatrixposition(b.matrixworld),this.ray.direction.set(a.x,a.y,.5).unproject(b).sub(this.ray.origin).normalize()):b&&b.isorthographiccamera?(this.ray.origin.set(a.x,a.y,(b.near+b.far)/(b.near-b.far)).unproject(b),this.ray.direction.set(0,0,-1).transformdirection(b.matrixworld)):console.error("three.raycaster: unsupported camera type.")},intersectobject:function(a,b){var c=[];return ji(a,this,c,b),c.sort(ii),c},intersectobjects:function(a,b){var c=[];if(array.isarray(a)===!1)return console.warn("three.raycaster.intersectobjects: objects is not an array."),c;for(var d=0,e=a.length;d<e;d++)ji(a[d],this,c,b);return c.sort(ii),c}},ki.prototype={constructor:ki,start:function(){this.starttime=(performance||date).now(),this.oldtime=this.starttime,this.elapsedtime=0,this.running=!0},stop:function(){this.getelapsedtime(),this.running=!1},getelapsedtime:function(){return this.getdelta(),this.elapsedtime},getdelta:function(){var a=0;if(this.autostart&&!this.running&&this.start(),this.running){var b=(performance||date).now();a=(b-this.oldtime)/1e3,this.oldtime=b,this.elapsedtime+=a}return a}},li.prototype={constructor:li,set:function(a,b,c){return this.radius=a,this.phi=b,this.theta=c,this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.radius=a.radius,this.phi=a.phi,this.theta=a.theta,this},makesafe:function(){var a=1e-6;return this.phi=math.max(a,math.min(math.pi-a,this.phi)),this},setfromvector3:function(a){return this.radius=a.length(),0===this.radius?(this.theta=0,this.phi=0):(this.theta=math.atan2(a.x,a.z),this.phi=math.acos(tb.clamp(a.y/this.radius,-1,1))),this}},mi.prototype={constructor:mi,set:function(a,b,c){return this.radius=a,this.theta=b,this.y=c,this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.radius=a.radius,this.theta=a.theta,this.y=a.y,this},setfromvector3:function(a){return this.radius=math.sqrt(a.x*a.x+a.z*a.z),this.theta=math.atan2(a.x,a.z),this.y=a.y,this}},ni.prototype=object.create(gf.prototype),ni.prototype.constructor=ni,ni.prototype.createanimation=function(a,b,c,d){var e={start:b,end:c,length:c-b+1,fps:d,duration:(c-b)/d,lastframe:0,currentframe:0,active:!1,time:0,direction:1,weight:1,directionbackwards:!1,mirroredloop:!1};this.animationsmap[a]=e,this.animationslist.push(e)},ni.prototype.autocreateanimations=function(a){for(var c,b=/([a-z]+)_?(\d+)/i,d={},e=this.geometry,f=0,g=e.morphtargets.length;f<g;f++){var h=e.morphtargets[f],i=h.name.match(b);if(i&&i.length>1){var j=i[1];d[j]||(d[j]={start:1/0,end:-(1/0)});var k=d[j];f<k.start&&(k.start=f),f>k.end&&(k.end=f),c||(c=j)}}for(var j in d){var k=d[j];this.createanimation(j,k.start,k.end,a)}this.firstanimation=c},ni.prototype.setanimationdirectionforward=function(a){var b=this.animationsmap[a];b&&(b.direction=1,b.directionbackwards=!1)},ni.prototype.setanimationdirectionbackward=function(a){var b=this.animationsmap[a];b&&(b.direction=-1,b.directionbackwards=!0)},ni.prototype.setanimationfps=function(a,b){var c=this.animationsmap[a];c&&(c.fps=b,c.duration=(c.end-c.start)/c.fps)},ni.prototype.setanimationduration=function(a,b){var c=this.animationsmap[a];c&&(c.duration=b,c.fps=(c.end-c.start)/c.duration)},ni.prototype.setanimationweight=function(a,b){var c=this.animationsmap[a];c&&(c.weight=b)},ni.prototype.setanimationtime=function(a,b){var c=this.animationsmap[a];c&&(c.time=b)},ni.prototype.getanimationtime=function(a){var b=0,c=this.animationsmap[a];return c&&(b=c.time),b},ni.prototype.getanimationduration=function(a){var b=-1,c=this.animationsmap[a];return c&&(b=c.duration),b},ni.prototype.playanimation=function(a){var b=this.animationsmap[a];b?(b.time=0,b.active=!0):console.warn("three.morphblendmesh: animation["+a+"] undefined in .playanimation()")},ni.prototype.stopanimation=function(a){var b=this.animationsmap[a];b&&(b.active=!1)},ni.prototype.update=function(a){for(var b=0,c=this.animationslist.length;b<c;b++){var d=this.animationslist[b];if(d.active){var e=d.duration/d.length;d.time+=d.direction*a,d.mirroredloop?(d.time>d.duration||d.time<0)&&(d.direction*=-1,d.time>d.duration&&(d.time=d.duration,d.directionbackwards=!0),d.time<0&&(d.time=0,d.directionbackwards=!1)):(d.time=d.time%d.duration,d.time<0&&(d.time+=d.duration));var f=d.start+tb.clamp(math.floor(d.time/e),0,d.length-1),g=d.weight;f!==d.currentframe&&(this.morphtargetinfluences[d.lastframe]=0,this.morphtargetinfluences[d.currentframe]=1*g,this.morphtargetinfluences[f]=0,d.lastframe=d.currentframe,d.currentframe=f);var h=d.time%e/e;d.directionbackwards&&(h=1-h),d.currentframe!==d.lastframe?(this.morphtargetinfluences[d.currentframe]=h*g,this.morphtargetinfluences[d.lastframe]=(1-h)*g):this.morphtargetinfluences[d.currentframe]=g}}},oi.prototype=object.create(ne.prototype),oi.prototype.constructor=oi,oi.prototype.isimmediaterenderobject=!0,pi.prototype=object.create(bg.prototype),pi.prototype.constructor=pi,pi.prototype.update=function(){var a=new bb,b=new bb,c=new fe;return function(){var e=["a","b","c"];this.object.updatematrixworld(!0),c.getnormalmatrix(this.object.matrixworld);var f=this.object.matrixworld,g=this.geometry.attributes.position,h=this.object.geometry;if(h&&h.isgeometry)for(var i=h.vertices,j=h.faces,k=0,l=0,m=j.length;l<m;l++)for(var n=j[l],o=0,p=n.vertexnormals.length;o<p;o++){var q=i[n[e[o]]],r=n.vertexnormals[o];a.copy(q).applymatrix4(f),b.copy(r).applymatrix3(c).normalize().multiplyscalar(this.size).add(a),g.setxyz(k,a.x,a.y,a.z),k+=1,g.setxyz(k,b.x,b.y,b.z),k+=1}else if(h&&h.isbuffergeometry)for(var s=h.attributes.position,t=h.attributes.normal,k=0,o=0,p=s.count;o<p;o++)a.set(s.getx(o),s.gety(o),s.getz(o)).applymatrix4(f),b.set(t.getx(o),t.gety(o),t.getz(o)),b.applymatrix3(c).normalize().multiplyscalar(this.size).add(a),g.setxyz(k,a.x,a.y,a.z),k+=1,g.setxyz(k,b.x,b.y,b.z),k+=1;return g.needsupdate=!0,this}}(),qi.prototype=object.create(ne.prototype),qi.prototype.constructor=qi,qi.prototype.dispose=function(){this.cone.geometry.dispose(),this.cone.material.dispose()},qi.prototype.update=function(){var a=new bb,b=new bb;return function(){var d=this.light.distance?this.light.distance:1e3,e=d*math.tan(this.light.angle);this.cone.scale.set(e,e,d),a.setfrommatrixposition(this.light.matrixworld),b.setfrommatrixposition(this.light.target.matrixworld),this.cone.lookat(b.sub(a)),this.cone.material.color.copy(this.light.color).multiplyscalar(this.light.intensity)}}(),ri.prototype=object.create(bg.prototype),ri.prototype.constructor=ri,ri.prototype.getbonelist=function(a){var b=[];a&&a.isbone&&b.push(a);for(var c=0;c<a.children.length;c++)b.push.apply(b,this.getbonelist(a.children[c]));return b},ri.prototype.update=function(){var a=new bb,b=new cb,c=new cb;return function(){var e=this.geometry,f=e.getattribute("position");c.getinverse(this.root.matrixworld);for(var g=0,h=0;g<this.bones.length;g++){var i=this.bones[g];i.parent&&i.parent.isbone&&(b.multiplymatrices(c,i.matrixworld),a.setfrommatrixposition(b),f.setxyz(h,a.x,a.y,a.z),b.multiplymatrices(c,i.parent.matrixworld),a.setfrommatrixposition(b),f.setxyz(h+1,a.x,a.y,a.z),h+=2)}e.getattribute("position").needsupdate=!0}}(),si.prototype=object.create(gf.prototype),si.prototype.constructor=si,si.prototype.dispose=function(){this.geometry.dispose(),this.material.dispose()},si.prototype.update=function(){this.material.color.copy(this.light.color).multiplyscalar(this.light.intensity)},ti.prototype=object.create(ne.prototype),ti.prototype.constructor=ti,ti.prototype.dispose=function(){this.children[0].geometry.dispose(),this.children[0].material.dispose(),this.children[1].geometry.dispose(),this.children[1].material.dispose()},ti.prototype.update=function(){var a=new bb,b=new bb;return function(){var d=this.children[0],e=this.children[1];if(this.light.target){a.setfrommatrixposition(this.light.matrixworld),b.setfrommatrixposition(this.light.target.matrixworld);var f=b.clone().sub(a);d.lookat(f),e.lookat(f)}d.material.color.copy(this.light.color).multiplyscalar(this.light.intensity),e.material.color.copy(this.light.color).multiplyscalar(this.light.intensity);var g=.5*this.light.width,h=.5*this.light.height,i=d.geometry.getattribute("position"),j=i.array;j[0]=g,j[1]=-h,j[2]=0,j[3]=g,j[4]=h,j[5]=0,j[6]=-g,j[7]=h,j[8]=0,j[9]=-g,j[10]=h,j[11]=0,j[12]=-g,j[13]=-h,j[14]=0,j[15]=g,j[16]=-h,j[17]=0,i.needsupdate=!0}}(),ui.prototype=object.create(ne.prototype),ui.prototype.constructor=ui,ui.prototype.dispose=function(){this.children[0].geometry.dispose(),this.children[0].material.dispose()},ui.prototype.update=function(){var a=new bb,b=new re,c=new re;return function(){var e=this.children[0],f=e.geometry.getattribute("color");b.copy(this.light.color).multiplyscalar(this.light.intensity),c.copy(this.light.groundcolor).multiplyscalar(this.light.intensity);for(var g=0,h=f.count;g<h;g++){var i=g<h/2?b:c;f.setxyz(g,i.r,i.g,i.b)}e.lookat(a.setfrommatrixposition(this.light.matrixworld).negate()),f.needsupdate=!0}}(),vi.prototype=object.create(bg.prototype),vi.prototype.constructor=vi,wi.prototype=object.create(bg.prototype),wi.prototype.constructor=wi,xi.prototype=object.create(bg.prototype),xi.prototype.constructor=xi,xi.prototype.update=function(){var a=new bb,b=new bb,c=new fe;return function(){this.object.updatematrixworld(!0),c.getnormalmatrix(this.object.matrixworld);for(var e=this.object.matrixworld,f=this.geometry.attributes.position,g=this.object.geometry,h=g.vertices,i=g.faces,j=0,k=0,l=i.length;k<l;k++){var m=i[k],n=m.normal;a.copy(h[m.a]).add(h[m.b]).add(h[m.c]).dividescalar(3).applymatrix4(e),b.copy(n).applymatrix3(c).normalize().multiplyscalar(this.size).add(a),f.setxyz(j,a.x,a.y,a.z),j+=1,f.setxyz(j,b.x,b.y,b.z),j+=1}return f.needsupdate=!0,this}}(),yi.prototype=object.create(ne.prototype),yi.prototype.constructor=yi,yi.prototype.dispose=function(){var a=this.children[0],b=this.children[1];a.geometry.dispose(),a.material.dispose(),b.geometry.dispose(),b.material.dispose()},yi.prototype.update=function(){var a=new bb,b=new bb,c=new bb;return function(){a.setfrommatrixposition(this.light.matrixworld),b.setfrommatrixposition(this.light.target.matrixworld),c.subvectors(b,a);var e=this.children[0],f=this.children[1];e.lookat(c),e.material.color.copy(this.light.color).multiplyscalar(this.light.intensity),f.lookat(c),f.scale.z=c.length()}}(),zi.prototype=object.create(bg.prototype),zi.prototype.constructor=zi,zi.prototype.update=function(){function e(e,f,g,h){c.set(f,g,h).unproject(d);var i=b[e];if(void 0!==i)for(var j=a.getattribute("position"),k=0,l=i.length;k<l;k++)j.setxyz(i[k],c.x,c.y,c.z)}var a,b,c=new bb,d=new mf;return function(){a=this.geometry,b=this.pointmap;var f=1,g=1;d.projectionmatrix.copy(this.camera.projectionmatrix),e("c",0,0,-1),e("t",0,0,1),e("n1",-f,-g,-1),e("n2",f,-g,-1),e("n3",-f,g,-1),e("n4",f,g,-1),e("f1",-f,-g,1),e("f2",f,-g,1),e("f3",-f,g,1),e("f4",f,g,1),e("u1",.7*f,1.1*g,-1),e("u2",.7*-f,1.1*g,-1),e("u3",0,2*g,-1),e("cf1",-f,0,1),e("cf2",f,0,1),e("cf3",0,-g,1),e("cf4",0,g,1),e("cn1",-f,0,-1),e("cn2",f,0,-1),e("cn3",0,-g,-1),e("cn4",0,g,-1),a.getattribute("position").needsupdate=!0}}(),$i.prototype=object.create(bg.prototype),$i.prototype.constructor=$i,$i.prototype.update=function(){var a=new de;return function(c){if(c&&c.isbox3?a.copy(c):a.setfromobject(c),!a.isempty()){var d=a.min,e=a.max,f=this.geometry.attributes.position,g=f.array;g[0]=e.x,g[1]=e.y,g[2]=e.z,g[3]=d.x,g[4]=e.y,g[5]=e.z,g[6]=d.x,g[7]=d.y,g[8]=e.z,g[9]=e.x,g[10]=d.y,g[11]=e.z,g[12]=e.x,g[13]=e.y,g[14]=d.z,g[15]=d.x,g[16]=e.y,g[17]=d.z,g[18]=d.x,g[19]=d.y,g[20]=d.z,g[21]=e.x,g[22]=d.y,g[23]=d.z,f.needsupdate=!0,this.geometry.computeboundingsphere()}}}();var _i,aj;bj.prototype=object.create(ne.prototype),bj.prototype.constructor=bj,bj.prototype.setdirection=function(){var b,a=new bb;return function(d){d.y>.99999?this.quaternion.set(0,0,0,1):d.y<-.99999?this.quaternion.set(1,0,0,0):(a.set(d.z,0,-d.x).normalize(),b=math.acos(d.y),this.quaternion.setfromaxisangle(a,b))}}(),bj.prototype.setlength=function(a,b,c){void 0===b&&(b=.2*a),void 0===c&&(c=.2*b),this.line.scale.set(1,math.max(0,a-b),1),this.line.updatematrix(),this.cone.scale.set(c,b,c),this.cone.position.y=a,this.cone.updatematrix()},bj.prototype.setcolor=function(a){this.line.material.color.copy(a),this.cone.material.color.copy(a)},cj.prototype=object.create(bg.prototype),cj.prototype.constructor=cj;var ej=new bb,fj=new dj,gj=new dj,hj=new dj;ij.prototype=object.create(_h.prototype),ij.prototype.constructor=ij,ij.prototype.getpoint=function(a){var b=this.points,c=b.length;c<2&&console.log("duh, you need at least 2 points");var d=(c-(this.closed?0:1))*a,e=math.floor(d),f=d-e;this.closed?e+=e>0?0:(math.floor(math.abs(e)/b.length)+1)*b.length:0===f&&e===c-1&&(e=c-2,f=1);var g,h,i,j;if(this.closed||e>0?g=b[(e-1)%c]:(ej.subvectors(b[0],b[1]).add(b[0]),g=ej),h=b[e%c],i=b[(e+1)%c],this.closed||e+2<c?j=b[(e+2)%c]:(ej.subvectors(b[c-1],b[c-2]).add(b[c-1]),j=ej),void 0===this.type||"centripetal"===this.type||"chordal"===this.type){var k="chordal"===this.type?.5:.25,l=math.pow(g.distancetosquared(h),k),m=math.pow(h.distancetosquared(i),k),n=math.pow(i.distancetosquared(j),k);m<1e-4&&(m=1),l<1e-4&&(l=m),n<1e-4&&(n=m),fj.initnonuniformcatmullrom(g.x,h.x,i.x,j.x,l,m,n),gj.initnonuniformcatmullrom(g.y,h.y,i.y,j.y,l,m,n),hj.initnonuniformcatmullrom(g.z,h.z,i.z,j.z,l,m,n)}else if("catmullrom"===this.type){var o=void 0!==this.tension?this.tension:.5;fj.initcatmullrom(g.x,h.x,i.x,j.x,o),gj.initcatmullrom(g.y,h.y,i.y,j.y,o),hj.initcatmullrom(g.z,h.z,i.z,j.z,o)}return new bb(fj.calc(f),gj.calc(f),hj.calc(f))},jj.prototype=object.create(_h.prototype),jj.prototype.constructor=jj,jj.prototype.getpoint=function(a){var b=this.v0,c=this.v1,d=this.v2,e=this.v3;return new bb($h(a,b.x,c.x,d.x,e.x),$h(a,b.y,c.y,d.y,e.y),$h(a,b.z,c.z,d.z,e.z))},kj.prototype=object.create(_h.prototype),kj.prototype.constructor=kj,kj.prototype.getpoint=function(a){var b=this.v0,c=this.v1,d=this.v2;return new bb(vh(a,b.x,c.x,d.x),vh(a,b.y,c.y,d.y),vh(a,b.z,c.z,d.z))},lj.prototype=object.create(_h.prototype),lj.prototype.constructor=lj,lj.prototype.getpoint=function(a){if(1===a)return this.v2.clone();var b=new bb;return b.subvectors(this.v2,this.v1),b.multiplyscalar(a),b.add(this.v1),b},mj.prototype=object.create(ci.prototype),mj.prototype.constructor=mj;var nj={createmultimaterialobject:function(a,b){for(var c=new eg,d=0,e=b.length;d<e;d++)c.add(new gf(a,b[d]));return c},detach:function(a,b,c){a.applymatrix(b.matrixworld),b.remove(a),c.add(a)},attach:function(a,b,c){var d=new cb;d.getinverse(c.matrixworld),a.applymatrix(d),b.remove(a),c.add(a)}},pj=0,qj=1;_h.create=function(a,b){return console.log("three.curve.create() has been deprecated"),a.prototype=object.create(_h.prototype),a.prototype.constructor=a,a.prototype.getpoint=b,a},jj.prototype=object.create(ij.prototype),kj.prototype=object.create(ij.prototype),lj.prototype=object.create(ij.prototype),object.assign(lj.prototype,{initfromarray:function(a){console.error("three.spline: .initfromarray() has been removed.")},getcontrolpointsarray:function(a){console.error("three.spline: .getcontrolpointsarray() has been removed.")},reparametrizebyarclength:function(a){console.error("three.spline: .reparametrizebyarclength() has been removed.")}}),vi.prototype.setcolors=function(){console.error("three.gridhelper: setcolors() has been deprecated, pass them in the constructor instead.")},object.assign(we.prototype,{center:function(a){return console.warn("three.box2: .center() has been renamed to .getcenter()."),this.getcenter(a)},empty:function(){return console.warn("three.box2: .empty() has been renamed to .isempty()."),this.isempty()},isintersectionbox:function(a){return console.warn("three.box2: .isintersectionbox() has been renamed to .intersectsbox()."),this.intersectsbox(a)},size:function(a){return console.warn("three.box2: .size() has been renamed to .getsize()."),this.getsize(a)}}),object.assign(de.prototype,{center:function(a){return console.warn("three.box3: .center() has been renamed to .getcenter()."),this.getcenter(a)},empty:function(){return console.warn("three.box3: .empty() has been renamed to .isempty()."),this.isempty()},isintersectionbox:function(a){return console.warn("three.box3: .isintersectionbox() has been renamed to .intersectsbox()."),this.intersectsbox(a)},isintersectionsphere:function(a){return console.warn("three.box3: .isintersectionsphere() has been renamed to .intersectssphere()."),this.intersectssphere(a)},size:function(a){return console.warn("three.box3: .size() has been renamed to .getsize()."),this.getsize(a)}}),oe.prototype.center=function(a){return console.warn("three.line3: .center() has been renamed to .getcenter()."),this.getcenter(a)},tb.random16=function(){return console.warn("three.math.random16() has been deprecated. use math.random() instead."),math.random()},object.assign(fe.prototype,{flattentoarrayoffset:function(a,b){return console.warn("three.matrix3: .flattentoarrayoffset() has been deprecated. use .toarray() instead."),this.toarray(a,b)},multiplyvector3:function(a){return console.warn("three.matrix3: .multiplyvector3() has been removed. use vector.applymatrix3( matrix ) instead."),a.applymatrix3(this)},multiplyvector3array:function(a){return console.warn("three.matrix3: .multiplyvector3array() has been renamed. use matrix.applytovector3array( array ) instead."),this.applytovector3array(a)},applytobuffer:function(a,b,c){return console.warn("three.matrix3: .applytobuffer() has been removed. use matrix.applytobufferattribute( attribute ) instead."),this.applytobufferattribute(a)},applytovector3array:function(a,b,c){console.error("three.matrix3: .applytovector3array() has been removed.")}}),object.assign(cb.prototype,{extractposition:function(a){return console.warn("three.matrix4: .extractposition() has been renamed to .copyposition()."),this.copyposition(a)},flattentoarrayoffset:function(a,b){return console.warn("three.matrix4: .flattentoarrayoffset() has been deprecated. use .toarray() instead."),this.toarray(a,b)},getposition:function(){var a;return function(){return void 0===a&&(a=new bb),console.warn("three.matrix4: .getposition() has been removed. use vector3.setfrommatrixposition( matrix ) instead."),a.setfrommatrixcolumn(this,3)}}(),setrotationfromquaternion:function(a){return console.warn("three.matrix4: .setrotationfromquaternion() has been renamed to .makerotationfromquaternion()."),this.makerotationfromquaternion(a)},multiplyvector3:function(a){return console.warn("three.matrix4: .multiplyvector3() has been removed. use vector.applymatrix4( matrix ) instead."),a.applymatrix4(this)},multiplyvector4:function(a){return console.warn("three.matrix4: .multiplyvector4() has been removed. use vector.applymatrix4( matrix ) instead."),a.applymatrix4(this)},multiplyvector3array:function(a){return console.warn("three.matrix4: .multiplyvector3array() has been renamed. use matrix.applytovector3array( array ) instead."),this.applytovector3array(a)},rotateaxis:function(a){console.warn("three.matrix4: .rotateaxis() has been removed. use vector3.transformdirection( matrix ) instead."),a.transformdirection(this)},crossvector:function(a){return console.warn("three.matrix4: .crossvector() has been removed. use vector.applymatrix4( matrix ) instead."),a.applymatrix4(this)},translate:function(){console.error("three.matrix4: .translate() has been removed.")},rotatex:function(){console.error("three.matrix4: .rotatex() has been removed.")},rotatey:function(){console.error("three.matrix4: .rotatey() has been removed.")},rotatez:function(){console.error("three.matrix4: .rotatez() has been removed.")},rotatebyaxis:function(){console.error("three.matrix4: .rotatebyaxis() has been removed.")},applytobuffer:function(a,b,c){return console.warn("three.matrix4: .applytobuffer() has been removed. use matrix.applytobufferattribute( attribute ) instead."),this.applytobufferattribute(a)},applytovector3array:function(a,b,c){console.error("three.matrix4: .applytovector3array() has been removed.")},makefrustum:function(a,b,c,d,e,f){return console.warn("three.matrix4: .makefrustum() has been removed. use .makeperspective( left, right, top, bottom, near, far ) instead."),this.makeperspective(a,b,d,c,e,f)}}),ge.prototype.isintersectionline=function(a){return console.warn("three.plane: .isintersectionline() has been renamed to .intersectsline()."),this.intersectsline(a)},ab.prototype.multiplyvector3=function(a){return console.warn("three.quaternion: .multiplyvector3() has been removed. use is now vector.applyquaternion( quaternion ) instead."),a.applyquaternion(this)},object.assign(je.prototype,{isintersectionbox:function(a){return console.warn("three.ray: .isintersectionbox() has been renamed to .intersectsbox()."),this.intersectsbox(a)},isintersectionplane:function(a){return console.warn("three.ray: .isintersectionplane() has been renamed to .intersectsplane()."),this.intersectsplane(a)},isintersectionsphere:function(a){return console.warn("three.ray: .isintersectionsphere() has been renamed to .intersectssphere()."),this.intersectssphere(a)}}),object.assign(ii.prototype,{extrude:function(a){return console.warn("three.shape: .extrude() has been removed. use extrudegeometry() instead."),new dg(this,a)},makegeometry:function(a){return console.warn("three.shape: .makegeometry() has been removed. use shapegeometry() instead."),new lg(this,a)}}),object.assign(ub.prototype,{fromattribute:function(a,b,c){return console.error("three.vector2: .fromattribute() has been renamed to .frombufferattribute()."),this.frombufferattribute(a,b,c)}}),object.assign(bb.prototype,{seteulerfromrotationmatrix:function(){console.error("three.vector3: .seteulerfromrotationmatrix() has been removed. use euler.setfromrotationmatrix() instead.")},seteulerfromquaternion:function(){console.error("three.vector3: .seteulerfromquaternion() has been removed. use euler.setfromquaternion() instead.")},getpositionfrommatrix:function(a){return console.warn("three.vector3: .getpositionfrommatrix() has been renamed to .setfrommatrixposition()."),this.setfrommatrixposition(a)},getscalefrommatrix:function(a){return console.warn("three.vector3: .getscalefrommatrix() has been renamed to .setfrommatrixscale()."),this.setfrommatrixscale(a)},getcolumnfrommatrix:function(a,b){return console.warn("three.vector3: .getcolumnfrommatrix() has been renamed to .setfrommatrixcolumn()."),this.setfrommatrixcolumn(b,a)},applyprojection:function(a){return console.warn("three.vector3: .applyprojection() has been removed. use .applymatrix4( m ) instead."),this.applymatrix4(a)},fromattribute:function(a,b,c){return console.error("three.vector3: .fromattribute() has been renamed to .frombufferattribute()."),this.frombufferattribute(a,b,c)}}),object.assign(xb.prototype,{fromattribute:function(a,b,c){return console.error("three.vector4: .fromattribute() has been renamed to .frombufferattribute()."),this.frombufferattribute(a,b,c)}}),ef.prototype.computetangents=function(){console.warn("three.geometry: .computetangents() has been removed.")},object.assign(ne.prototype,{getchildbyname:function(a){return console.warn("three.object3d: .getchildbyname() has been renamed to .getobjectbyname()."),this.getobjectbyname(a)},renderdepth:function(){console.warn("three.object3d: .renderdepth has been removed. use .renderorder, instead.")},translate:function(a,b){return console.warn("three.object3d: .translate() has been removed. use .translateonaxis( axis, distance ) instead."),this.translateonaxis(b,a)}}),object.defineproperties(ne.prototype,{eulerorder:{get:function(){return console.warn("three.object3d: .eulerorder is now .rotation.order."),this.rotation.order},set:function(a){console.warn("three.object3d: .eulerorder is now .rotation.order."),this.rotation.order=a}},usequaternion:{get:function(){console.warn("three.object3d: .usequaternion has been removed. the library now uses quaternions by default.")},set:function(){console.warn("three.object3d: .usequaternion has been removed. the library now uses quaternions by default.")}}}),object.defineproperties(xf.prototype,{objects:{get:function(){return console.warn("three.lod: .objects has been renamed to .levels."),this.levels}}}),nf.prototype.setlens=function(a,b){console.warn("three.perspectivecamera.setlens is deprecated. use .setfocallength and .filmgauge for a photographic setup."),void 0!==b&&(this.filmgauge=b),this.setfocallength(a)},object.defineproperties(nh.prototype,{onlyshadow:{set:function(){console.warn("three.light: .onlyshadow has been removed.")}},shadowcamerafov:{set:function(a){console.warn("three.light: .shadowcamerafov is now .shadow.camera.fov."),this.shadow.camera.fov=a}},shadowcameraleft:{set:function(a){console.warn("three.light: .shadowcameraleft is now .shadow.camera.left."),this.shadow.camera.left=a}},shadowcameraright:{set:function(a){console.warn("three.light: .shadowcameraright is now .shadow.camera.right."),this.shadow.camera.right=a}},shadowcameratop:{set:function(a){console.warn("three.light: .shadowcameratop is now .shadow.camera.top."),this.shadow.camera.top=a}},shadowcamerabottom:{set:function(a){console.warn("three.light: .shadowcamerabottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=a}},shadowcameranear:{set:function(a){console.warn("three.light: .shadowcameranear is now .shadow.camera.near."),this.shadow.camera.near=a}},shadowcamerafar:{set:function(a){console.warn("three.light: .shadowcamerafar is now .shadow.camera.far."),this.shadow.camera.far=a}},shadowcameravisible:{set:function(){console.warn("three.light: .shadowcameravisible has been removed. use new three.camerahelper( light.shadow.camera ) instead.")}},shadowbias:{set:function(a){console.warn("three.light: .shadowbias is now .shadow.bias."),this.shadow.bias=a}},shadowdarkness:{set:function(){console.warn("three.light: .shadowdarkness has been removed.")}},shadowmapwidth:{set:function(a){console.warn("three.light: .shadowmapwidth is now .shadow.mapsize.width."),this.shadow.mapsize.width=a}},shadowmapheight:{set:function(a){console.warn("three.light: .shadowmapheight is now .shadow.mapsize.height."),this.shadow.mapsize.height=a}}}),object.defineproperties(se.prototype,{length:{get:function(){return console.warn("three.bufferattribute: .length has been deprecated. use .count instead."),this.array.length}}}),object.assign(ff.prototype,{addindex:function(a){console.warn("three.buffergeometry: .addindex() has been renamed to .setindex()."),this.setindex(a)},adddrawcall:function(a,b,c){void 0!==c&&console.warn("three.buffergeometry: .adddrawcall() no longer supports indexoffset."),console.warn("three.buffergeometry: .adddrawcall() is now .addgroup()."),this.addgroup(a,b)},cleardrawcalls:function(){console.warn("three.buffergeometry: .cleardrawcalls() is now .cleargroups()."),this.cleargroups()},computetangents:function(){console.warn("three.buffergeometry: .computetangents() has been removed.")},computeoffsets:function(){console.warn("three.buffergeometry: .computeoffsets() has been removed.")}}),object.defineproperties(ff.prototype,{drawcalls:{get:function(){return console.error("three.buffergeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("three.buffergeometry: .offsets has been renamed to .groups."),this.groups}}}),object.defineproperties(bi.prototype,{dynamic:{set:function(){console.warn("three.uniform: .dynamic has been removed. use object.onbeforerender() instead.")}},onupdate:{value:function(){return console.warn("three.uniform: .onupdate() has been removed. use object.onbeforerender() instead."),this}}}),object.defineproperties(ae.prototype,{wraparound:{get:function(){console.warn("three."+this.type+": .wraparound has been removed.")},set:function(){console.warn("three."+this.type+": .wraparound has been removed.")}},wraprgb:{get:function(){return console.warn("three."+this.type+": .wraprgb has been removed."),new re}}}),object.defineproperties($g.prototype,{metal:{get:function(){return console.warn("three.meshphongmaterial: .metal has been removed. use three.meshstandardmaterial instead."),!1},set:function(){console.warn("three.meshphongmaterial: .metal has been removed. use three.meshstandardmaterial instead")}}}),object.defineproperties(be.prototype,{derivatives:{get:function(){return console.warn("three.shadermaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(a){console.warn("three. shadermaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=a}}}),object.assign(qf.prototype,{supportsfloattextures:function(){return console.warn("three.webglrenderer: .supportsfloattextures() is now .extensions.get( 'oes_texture_float' )."),this.extensions.get("oes_texture_float")},supportshalffloattextures:function(){return console.warn("three.webglrenderer: .supportshalffloattextures() is now .extensions.get( 'oes_texture_half_float' )."),this.extensions.get("oes_texture_half_float")},supportsstandardderivatives:function(){return console.warn("three.webglrenderer: .supportsstandardderivatives() is now .extensions.get( 'oes_standard_derivatives' )."),this.extensions.get("oes_standard_derivatives")},supportscompressedtextures3tc:function(){return console.warn("three.webglrenderer: .supportscompressedtextures3tc() is now .extensions.get( 'webgl_compressed_texture_s3tc' )."),this.extensions.get("webgl_compressed_texture_s3tc")},supportscompressedtexturepvrtc:function(){return console.warn("three.webglrenderer: .supportscompressedtexturepvrtc() is now .extensions.get( 'webgl_compressed_texture_pvrtc' )."),this.extensions.get("webgl_compressed_texture_pvrtc")},supportsblendminmax:function(){return console.warn("three.webglrenderer: .supportsblendminmax() is now .extensions.get( 'ext_blend_minmax' )."),this.extensions.get("ext_blend_minmax")},supportsvertextextures:function(){return console.warn("three.webglrenderer: .supportsvertextextures() is now .capabilities.vertextextures."),this.capabilities.vertextextures},supportsinstancedarrays:function(){return console.warn("three.webglrenderer: .supportsinstancedarrays() is now .extensions.get( 'angle_instanced_arrays' )."),this.extensions.get("angle_instanced_arrays")},enablescissortest:function(a){console.warn("three.webglrenderer: .enablescissortest() is now .setscissortest()."),
    this.setscissortest(a)},initmaterial:function(){console.warn("three.webglrenderer: .initmaterial() has been removed.")},addpreplugin:function(){console.warn("three.webglrenderer: .addpreplugin() has been removed.")},addpostplugin:function(){console.warn("three.webglrenderer: .addpostplugin() has been removed.")},updateshadowmap:function(){console.warn("three.webglrenderer: .updateshadowmap() has been removed.")}}),object.defineproperties(qf.prototype,{shadowmapenabled:{get:function(){return this.shadowmap.enabled},set:function(a){console.warn("three.webglrenderer: .shadowmapenabled is now .shadowmap.enabled."),this.shadowmap.enabled=a}},shadowmaptype:{get:function(){return this.shadowmap.type},set:function(a){console.warn("three.webglrenderer: .shadowmaptype is now .shadowmap.type."),this.shadowmap.type=a}},shadowmapcullface:{get:function(){return this.shadowmap.cullface},set:function(a){console.warn("three.webglrenderer: .shadowmapcullface is now .shadowmap.cullface."),this.shadowmap.cullface=a}}}),object.defineproperties(ie.prototype,{cullface:{get:function(){return this.renderreversesided?g:f},set:function(a){var b=a!==f;console.warn("webglrenderer: .shadowmap.cullface is deprecated. set .shadowmap.renderreversesided to "+b+"."),this.renderreversesided=b}}}),object.defineproperties(yb.prototype,{wraps:{get:function(){return console.warn("three.webglrendertarget: .wraps is now .texture.wraps."),this.texture.wraps},set:function(a){console.warn("three.webglrendertarget: .wraps is now .texture.wraps."),this.texture.wraps=a}},wrapt:{get:function(){return console.warn("three.webglrendertarget: .wrapt is now .texture.wrapt."),this.texture.wrapt},set:function(a){console.warn("three.webglrendertarget: .wrapt is now .texture.wrapt."),this.texture.wrapt=a}},magfilter:{get:function(){return console.warn("three.webglrendertarget: .magfilter is now .texture.magfilter."),this.texture.magfilter},set:function(a){console.warn("three.webglrendertarget: .magfilter is now .texture.magfilter."),this.texture.magfilter=a}},minfilter:{get:function(){return console.warn("three.webglrendertarget: .minfilter is now .texture.minfilter."),this.texture.minfilter},set:function(a){console.warn("three.webglrendertarget: .minfilter is now .texture.minfilter."),this.texture.minfilter=a}},anisotropy:{get:function(){return console.warn("three.webglrendertarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(a){console.warn("three.webglrendertarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=a}},offset:{get:function(){return console.warn("three.webglrendertarget: .offset is now .texture.offset."),this.texture.offset},set:function(a){console.warn("three.webglrendertarget: .offset is now .texture.offset."),this.texture.offset=a}},repeat:{get:function(){return console.warn("three.webglrendertarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(a){console.warn("three.webglrendertarget: .repeat is now .texture.repeat."),this.texture.repeat=a}},format:{get:function(){return console.warn("three.webglrendertarget: .format is now .texture.format."),this.texture.format},set:function(a){console.warn("three.webglrendertarget: .format is now .texture.format."),this.texture.format=a}},type:{get:function(){return console.warn("three.webglrendertarget: .type is now .texture.type."),this.texture.type},set:function(a){console.warn("three.webglrendertarget: .type is now .texture.type."),this.texture.type=a}},generatemipmaps:{get:function(){return console.warn("three.webglrendertarget: .generatemipmaps is now .texture.generatemipmaps."),this.texture.generatemipmaps},set:function(a){console.warn("three.webglrendertarget: .generatemipmaps is now .texture.generatemipmaps."),this.texture.generatemipmaps=a}}}),ti.prototype.load=function(a){console.warn("three.audio: .load has 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b&&(f.mapping=b),f},loadtexturecube:function(a,b,c,d){console.warn("three.imageutils.loadtexturecube has been deprecated. use three.cubetextureloader() instead.");var e=new lh;e.setcrossorigin(this.crossorigin);var f=e.load(a,c,void 0,d);return b&&(f.mapping=b),f},loadcompressedtexture:function(){console.error("three.imageutils.loadcompressedtexture has been removed. use three.ddsloader instead.")},loadcompressedtexturecube:function(){console.error("three.imageutils.loadcompressedtexturecube has been removed. use three.ddsloader 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three.renderablevertex,this.v2=new three.renderablevertex,this.v3=new three.renderablevertex,this.normalmodel=new three.vector3,this.vertexnormalsmodel=[new three.vector3,new three.vector3,new three.vector3],this.vertexnormalslength=0,this.color=new three.color,this.material=null,this.uvs=[new three.vector2,new three.vector2,new three.vector2],this.z=0,this.renderorder=0},three.renderablevertex=function(){this.position=new three.vector3,this.positionworld=new three.vector3,this.positionscreen=new three.vector4,this.visible=!0},three.renderablevertex.prototype.copy=function(a){this.positionworld.copy(a.positionworld),this.positionscreen.copy(a.positionscreen)},three.renderableline=function(){this.id=0,this.v1=new three.renderablevertex,this.v2=new three.renderablevertex,this.vertexcolors=[new three.color,new three.color],this.material=null,this.z=0,this.renderorder=0},three.renderablesprite=function(){this.id=0,this.object=null,this.x=0,this.y=0,this.z=0,this.rotation=0,this.scale=new three.vector2,this.material=null,this.renderorder=0},three.projector=function(){function l(){if(b===d){var a=new three.renderableobject;return c.push(a),d++,b++,a}return c[b++]}function m(){if(f===h){var a=new three.renderablevertex;return g.push(a),h++,f++,a}return g[f++]}function n(){if(j===l){var a=new three.renderableface;return k.push(a),l++,j++,a}return k[j++]}function o(){if(n===p){var a=new three.renderableline;return o.push(a),p++,n++,a}return o[n++]}function p(){if(r===t){var a=new three.renderablesprite;return s.push(a),t++,r++,a}return s[r++]}function q(a,b){return a.renderorder!==b.renderorder?a.renderorder-b.renderorder:a.z!==b.z?b.z-a.z:a.id!==b.id?a.id-b.id:0}function r(a,b){var c=0,d=1,e=a.z+a.w,f=b.z+b.w,g=-a.z+a.w,h=-b.z+b.w;return e>=0&&f>=0&&g>=0&&h>=0||!(e<0&&f<0||g<0&&h<0)&&(e<0?c=math.max(c,e/(e-f)):f<0&&(d=math.min(d,e/(e-f))),g<0?c=math.max(c,g/(g-h)):h<0&&(d=math.min(d,g/(g-h))),!(d<c)&&(a.lerp(b,c),b.lerp(a,1-d),!0))}var a,b,e,f,i,j,m,n,q,r,d,c=[],d=0,g=[],h=0,k=[],l=0,o=[],p=0,s=[],t=0,u={objects:[],lights:[],elements:[]},v=new three.vector3,w=new three.vector4,x=new three.box3(new three.vector3(-1,-1,-1),new three.vector3(1,1,1)),y=new three.box3,z=new array(3),b=(new array(4),new three.matrix4),c=new three.matrix4,e=new three.matrix4,f=new three.matrix3,g=new three.frustum,h=new three.vector4,i=new three.vector4;this.projectvector=function(a,b){console.warn("three.projector: .projectvector() is now vector.project()."),a.project(b)},this.unprojectvector=function(a,b){console.warn("three.projector: .unprojectvector() is now vector.unproject()."),a.unproject(b)},this.pickingray=function(a,b){console.error("three.projector: .pickingray() is now raycaster.setfromcamera().")};var j=function(){function h(e){c=e,d=c.material,f.getnormalmatrix(c.matrixworld),a.length=0,b.length=0}function j(a){var b=a.position,c=a.positionworld,d=a.positionscreen;c.copy(b).applymatrix4(d),d.copy(c).applymatrix4(c);var e=1/d.w;d.x*=e,d.y*=e,d.z*=e,a.visible=d.x>=-1&&d.x<=1&&d.y>=-1&&d.y<=1&&d.z>=-1&&d.z<=1}function k(a,b,c){e=m(),e.position.set(a,b,c),j(e)}function l(b,c,d){a.push(b,c,d)}function n(a,c){b.push(a,c)}function o(a,b,c){return a.visible===!0||b.visible===!0||c.visible===!0||(z[0]=a.positionscreen,z[1]=b.positionscreen,z[2]=c.positionscreen,x.intersectsbox(y.setfrompoints(z)))}function p(a,b,c){return(c.positionscreen.x-a.positionscreen.x)*(b.positionscreen.y-a.positionscreen.y)-(c.positionscreen.y-a.positionscreen.y)*(b.positionscreen.x-a.positionscreen.x)<0}function q(a,b){var d=g[a],e=g[b];m=o(),m.id=c.id,m.v1.copy(d),m.v2.copy(e),m.z=(d.positionscreen.z+e.positionscreen.z)/2,m.renderorder=c.renderorder,m.material=c.material,u.elements.push(m)}function r(e,h,j){var k=g[e],l=g[h],m=g[j];if(o(k,l,m)!==!1&&(d.side===three.doubleside||p(k,l,m)===!0)){i=n(),i.id=c.id,i.v1.copy(k),i.v2.copy(l),i.v3.copy(m),i.z=(k.positionscreen.z+l.positionscreen.z+m.positionscreen.z)/3,i.renderorder=c.renderorder,i.normalmodel.fromarray(a,3*e),i.normalmodel.applymatrix3(f).normalize();for(var n=0;n<3;n++){var q=i.vertexnormalsmodel[n];q.fromarray(a,3*arguments[n]),q.applymatrix3(f).normalize();var r=i.uvs[n];r.fromarray(b,2*arguments[n])}i.vertexnormalslength=3,i.material=c.material,u.elements.push(i)}}var a=[],b=[],c=null,d=null,f=new three.matrix3;return{setobject:h,projectvertex:j,checktrianglevisibility:o,checkbackfaceculling:p,pushvertex:k,pushnormal:l,pushuv:n,pushline:q,pushtriangle:r}},k=new j;this.projectscene=function(c,d,e,h){function k(b){a=l(),a.id=b.id,a.object=b,v.setfrommatrixposition(b.matrixworld),v.applymatrix4(c),a.z=v.z,a.renderorder=b.renderorder,u.objects.push(a)}j=0,n=0,r=0,u.elements.length=0,c.autoupdate===!0&&c.updatematrixworld(),null===d.parent&&d.updatematrixworld(),b.copy(d.matrixworldinverse.getinverse(d.matrixworld)),c.multiplymatrices(d.projectionmatrix,b),g.setfrommatrix(c),b=0,u.objects.length=0,u.lights.length=0,c.traversevisible(function(a){if(a instanceof three.light)u.lights.push(a);else if(a instanceof three.mesh||a instanceof three.line){if(a.material.visible===!1)return;if(a.frustumculled===!0&&g.intersectsobject(a)===!1)return;k(a)}else if(a instanceof three.sprite){if(a.material.visible===!1)return;if(a.frustumculled===!0&&g.intersectssprite(a)===!1)return;k(a)}}),e===!0&&u.objects.sort(q);for(var l=0,o=u.objects.length;l<o;l++){var p=u.objects[l].object,s=p.geometry;if(k.setobject(p),d=p.matrixworld,f=0,p instanceof three.mesh){if(s instanceof three.buffergeometry){var t=s.attributes,x=s.groups;if(void 0===t.position)continue;for(var y=t.position.array,z=0,a=y.length;z<a;z+=3)k.pushvertex(y[z],y[z+1],y[z+2]);if(void 0!==t.normal)for(var j=t.normal.array,z=0,a=j.length;z<a;z+=3)k.pushnormal(j[z],j[z+1],j[z+2]);if(void 0!==t.uv)for(var s=t.uv.array,z=0,a=s.length;z<a;z+=2)k.pushuv(s[z],s[z+1]);if(null!==s.index){var t=s.index.array;if(x.length>0)for(var u=0;u<x.length;u++)for(var v=x[u],z=v.start,a=v.start+v.count;z<a;z+=3)k.pushtriangle(t[z],t[z+1],t[z+2]);else for(var z=0,a=t.length;z<a;z+=3)k.pushtriangle(t[z],t[z+1],t[z+2])}else for(var z=0,a=y.length/3;z<a;z+=3)k.pushtriangle(z,z+1,z+2)}else if(s instanceof three.geometry){var w=s.vertices,x=s.faces,y=s.facevertexuvs[0];f.getnormalmatrix(d);for(var z=p.material,$=z instanceof three.multimaterial,_=$===!0?p.material:null,aa=0,ba=w.length;aa<ba;aa++){var ca=w[aa];if(v.copy(ca),z.morphtargets===!0)for(var da=s.morphtargets,ea=p.morphtargetinfluences,fa=0,ga=da.length;fa<ga;fa++){var ha=ea[fa];if(0!==ha){var ia=da[fa],ja=ia.vertices[aa];v.x+=(ja.x-ca.x)*ha,v.y+=(ja.y-ca.y)*ha,v.z+=(ja.z-ca.z)*ha}}k.pushvertex(v.x,v.y,v.z)}for(var ka=0,la=x.length;ka<la;ka++){var ma=x[ka];if(z=$===!0?_.materials[ma.materialindex]:p.material,void 0!==z){var na=z.side,oa=g[ma.a],pa=g[ma.b],qa=g[ma.c];if(k.checktrianglevisibility(oa,pa,qa)!==!1){var ra=k.checkbackfaceculling(oa,pa,qa);if(na!==three.doubleside){if(na===three.frontside&&ra===!1)continue;if(na===three.backside&&ra===!0)continue}i=n(),i.id=p.id,i.v1.copy(oa),i.v2.copy(pa),i.v3.copy(qa),i.normalmodel.copy(ma.normal),ra!==!1||na!==three.backside&&na!==three.doubleside||i.normalmodel.negate(),i.normalmodel.applymatrix3(f).normalize();for(var sa=ma.vertexnormals,ta=0,ua=math.min(sa.length,3);ta<ua;ta++){var va=i.vertexnormalsmodel[ta];va.copy(sa[ta]),ra!==!1||na!==three.backside&&na!==three.doubleside||va.negate(),va.applymatrix3(f).normalize()}i.vertexnormalslength=sa.length;var wa=y[ka];if(void 0!==wa)for(var xa=0;xa<3;xa++)i.uvs[xa].copy(wa[xa]);i.color=ma.color,i.material=z,i.z=(oa.positionscreen.z+pa.positionscreen.z+qa.positionscreen.z)/3,i.renderorder=p.renderorder,u.elements.push(i)}}}}}else if(p instanceof three.line){if(s instanceof three.buffergeometry){var t=s.attributes;if(void 0!==t.position){for(var y=t.position.array,z=0,a=y.length;z<a;z+=3)k.pushvertex(y[z],y[z+1],y[z+2]);if(null!==s.index)for(var t=s.index.array,z=0,a=t.length;z<a;z+=2)k.pushline(t[z],t[z+1]);else for(var ya=p instanceof three.linesegments?2:1,z=0,a=y.length/3-1;z<a;z+=ya)k.pushline(z,z+1)}}else if(s instanceof three.geometry){e.multiplymatrices(c,d);var w=p.geometry.vertices;if(0===w.length)continue;oa=m(),oa.positionscreen.copy(w[0]).applymatrix4(e);for(var ya=p instanceof three.linesegments?2:1,aa=1,ba=w.length;aa<ba;aa++)oa=m(),oa.positionscreen.copy(w[aa]).applymatrix4(e),(aa+1)%ya>0||(pa=g[f-2],h.copy(oa.positionscreen),i.copy(pa.positionscreen),r(h,i)===!0&&(h.multiplyscalar(1/h.w),i.multiplyscalar(1/i.w),m=o(),m.id=p.id,m.v1.positionscreen.copy(h),m.v2.positionscreen.copy(i),m.z=math.max(h.z,i.z),m.renderorder=p.renderorder,m.material=p.material,p.material.vertexcolors===three.vertexcolors&&(m.vertexcolors[0].copy(p.geometry.colors[aa]),m.vertexcolors[1].copy(p.geometry.colors[aa-1])),u.elements.push(m)))}}else if(p instanceof three.sprite){w.set(d.elements[12],d.elements[13],d.elements[14],1),w.applymatrix4(c);var za=1/w.w;w.z*=za,w.z>=-1&&w.z<=1&&(q=p(),q.id=p.id,q.x=w.x*za,q.y=w.y*za,q.z=w.z,q.renderorder=p.renderorder,q.object=p,q.rotation=p.rotation,q.scale.x=p.scale.x*math.abs(q.x-(w.x+d.projectionmatrix.elements[0])/(w.w+d.projectionmatrix.elements[12])),q.scale.y=p.scale.y*math.abs(q.y-(w.y+d.projectionmatrix.elements[5])/(w.w+d.projectionmatrix.elements[13])),q.material=p.material,u.elements.push(q))}}return h===!0&&u.elements.sort(q),u}},three.spritecanvasmaterial=function(a){three.material.call(this),this.type="spritecanvasmaterial",this.color=new three.color(16777215),this.program=function(a,b){},this.setvalues(a)},three.spritecanvasmaterial.prototype=object.create(three.material.prototype),three.spritecanvasmaterial.prototype.constructor=three.spritecanvasmaterial,three.spritecanvasmaterial.prototype.clone=function(){var a=new three.spritecanvasmaterial;return a.copy(this),a.color.copy(this.color),a.program=this.program,a},three.canvasrenderer=function(a){function ta(){ma.setrgb(0,0,0),na.setrgb(0,0,0),oa.setrgb(0,0,0);for(var a=0,b=e.length;a<b;a++){var c=e[a],d=c.color;c instanceof three.ambientlight?ma.add(d):c instanceof three.directionallight?na.add(d):c instanceof three.pointlight&&oa.add(d)}}function ua(a,b,c){for(var d=0,f=e.length;d<f;d++){var g=e[d];if(_.copy(g.color),g instanceof three.directionallight){var h=pa.setfrommatrixposition(g.matrixworld).normalize(),i=b.dot(h);if(i<=0)continue;i*=g.intensity,c.add(_.multiplyscalar(i))}else if(g instanceof three.pointlight){var h=pa.setfrommatrixposition(g.matrixworld),i=b.dot(pa.subvectors(h,a).normalize());if(i<=0)continue;if(i*=0==g.distance?1:1-math.min(a.distanceto(h)/g.distance,1),0==i)continue;i*=g.intensity,c.add(_.multiplyscalar(i))}}}function va(a,b,c){fa(c.opacity),ga(c.blending);var d=b.scale.x*j,e=b.scale.y*k,f=.5*math.sqrt(d*d+e*e);if(la.min.set(a.x-f,a.y-f),la.max.set(a.x+f,a.y+f),c instanceof three.spritematerial){var g=c.map;if(null!==g){var h=aa[g.id];if(void 0!==h&&h.version===g.version||(h=ba(g),aa[g.id]=h),void 0!==h.canvas){la(h.canvas);var i=g.image,l=i.width*g.offset.x,m=i.height*g.offset.y,n=i.width*g.repeat.x,o=i.height*g.repeat.y,p=d/n,r=e/o;q.save(),q.translate(a.x,a.y),0!==c.rotation&&q.rotate(c.rotation),q.translate(-d/2,-e/2),q.scale(p,r),q.translate(-l,-m),q.fillrect(l,m,n,o),q.restore()}}else la(c.color.getstyle()),q.save(),q.translate(a.x,a.y),0!==c.rotation&&q.rotate(c.rotation),q.scale(d,-e),q.fillrect(-.5,-.5,1,1),q.restore()}else c instanceof three.spritecanvasmaterial&&(ka(c.color.getstyle()),la(c.color.getstyle()),q.save(),q.translate(a.x,a.y),0!==c.rotation&&q.rotate(c.rotation),q.scale(d,e),c.program(q),q.restore())}function wa(a,b,c,d){if(fa(d.opacity),ga(d.blending),q.beginpath(),q.moveto(a.positionscreen.x,a.positionscreen.y),q.lineto(b.positionscreen.x,b.positionscreen.y),d instanceof three.linebasicmaterial){if(ha(d.linewidth),ia(d.linecap),ja(d.linejoin),d.vertexcolors!==three.vertexcolors)ka(d.color.getstyle());else{var e=c.vertexcolors[0].getstyle(),f=c.vertexcolors[1].getstyle();if(e===f)ka(e);else{try{var g=q.createlineargradient(a.positionscreen.x,a.positionscreen.y,b.positionscreen.x,b.positionscreen.y);g.addcolorstop(0,e),g.addcolorstop(1,f)}catch(a){g=e}ka(g)}}q.stroke(),la.expandbyscalar(2*d.linewidth)}else d instanceof three.linedashedmaterial&&(ha(d.linewidth),ia(d.linecap),ja(d.linejoin),ka(d.color.getstyle()),ma([d.dashsize,d.gapsize]),q.stroke(),la.expandbyscalar(2*d.linewidth),ma([]))}function xa(a,c,d,e,f,g,h,i){if(b.info.render.vertices+=3,b.info.render.faces++,fa(i.opacity),ga(i.blending),i=a.positionscreen.x,j=a.positionscreen.y,k=c.positionscreen.x,l=c.positionscreen.y,m=d.positionscreen.x,n=d.positionscreen.y,ya(i,j,k,l,m,n),(i instanceof three.meshlambertmaterial||i instanceof three.meshphongmaterial)&&null===i.map)z.copy(i.color),$.copy(i.emissive),i.vertexcolors===three.facecolors&&z.multiply(h.color),u.copy(ma),qa.copy(a.positionworld).add(c.positionworld).add(d.positionworld).dividescalar(3),ua(qa,h.normalmodel,u),u.multiply(z).add($),i.wireframe===!0?za(u,i.wireframelinewidth,i.wireframelinecap,i.wireframelinejoin):aa(u);else if(i instanceof three.meshbasicmaterial||i instanceof three.meshlambertmaterial||i instanceof three.meshphongmaterial)if(null!==i.map){var j=i.map.mapping;j===three.uvmapping&&(ca=h.uvs,ca(i,j,k,l,m,n,ca[e].x,ca[e].y,ca[f].x,ca[f].y,ca[g].x,ca[g].y,i.map))}else null!==i.envmap?i.envmap.mapping===three.sphericalreflectionmapping&&(ra.copy(h.vertexnormalsmodel[e]).applymatrix3(sa),da=.5*ra.x+.5,ea=.5*ra.y+.5,ra.copy(h.vertexnormalsmodel[f]).applymatrix3(sa),fa=.5*ra.x+.5,ga=.5*ra.y+.5,ra.copy(h.vertexnormalsmodel[g]).applymatrix3(sa),ha=.5*ra.x+.5,ia=.5*ra.y+.5,ca(i,j,k,l,m,n,da,ea,fa,ga,ha,ia,i.envmap)):(u.copy(i.color),i.vertexcolors===three.facecolors&&u.multiply(h.color),i.wireframe===!0?za(u,i.wireframelinewidth,i.wireframelinecap,i.wireframelinejoin):aa(u));else i instanceof three.meshnormalmaterial?(ra.copy(h.normalmodel).applymatrix3(sa),u.setrgb(ra.x,ra.y,ra.z).multiplyscalar(.5).addscalar(.5),i.wireframe===!0?za(u,i.wireframelinewidth,i.wireframelinecap,i.wireframelinejoin):aa(u)):(u.setrgb(1,1,1),i.wireframe===!0?za(u,i.wireframelinewidth,i.wireframelinecap,i.wireframelinejoin):aa(u))}function ya(a,b,c,d,e,f){q.beginpath(),q.moveto(a,b),q.lineto(c,d),q.lineto(e,f),q.closepath()}function za(a,b,c,d){ha(b),ia(c),ja(d),ka(a.getstyle()),q.stroke(),la.expandbyscalar(2*b)}function aa(a){la(a.getstyle()),q.fill()}function ba(a){if(0===a.version||a instanceof three.compressedtexture||a instanceof three.datatexture)return{canvas:void 0,version:a.version};var b=a.image;if(b.complete===!1)return{canvas:void 0,version:0};var c=a.wraps===three.repeatwrapping||a.wraps===three.mirroredrepeatwrapping,d=a.wrapt===three.repeatwrapping||a.wrapt===three.mirroredrepeatwrapping,e=a.wraps===three.mirroredrepeatwrapping,f=a.wrapt===three.mirroredrepeatwrapping,g=document.createelement("canvas");g.width=b.width*(e?2:1),g.height=b.height*(f?2:1);var h=g.getcontext("2d");h.settransform(1,0,0,-1,0,b.height),h.drawimage(b,0,0),e===!0&&(h.settransform(-1,0,0,-1,b.width,b.height),h.drawimage(b,-b.width,0)),f===!0&&(h.settransform(1,0,0,1,0,0),h.drawimage(b,0,b.height)),e===!0&&f===!0&&(h.settransform(-1,0,0,1,b.width,0),h.drawimage(b,-b.width,b.height));var i="no-repeat";c===!0&&d===!0?i="repeat":c===!0?i="repeat-x":d===!0&&(i="repeat-y");var j=q.createpattern(g,i);return a.onupdate&&a.onupdate(a),{canvas:j,version:a.version}}function ca(a,b,c,d,e,f,g,h,i,j,k,l,m){var n=aa[m.id];if(void 0!==n&&n.version===m.version||(n=ba(m),aa[m.id]=n),void 0===n.canvas)return la("rgba( 0, 0, 0, 1)"),void q.fill();la(n.canvas);var o,p,r,s,t,u,v,w,x=m.offset.x/m.repeat.x,y=m.offset.y/m.repeat.y,z=m.image.width*m.repeat.x,a=m.image.height*m.repeat.y;g=(g+x)*z,h=(h+y)*a,i=(i+x)*z,j=(j+y)*a,k=(k+x)*z,l=(l+y)*a,c-=a,d-=b,e-=a,f-=b,i-=g,j-=h,k-=g,l-=h,v=i*l-k*j,0!==v&&(w=1/v,o=(l*c-j*e)*w,p=(l*d-j*f)*w,r=(i*e-k*c)*w,s=(i*f-k*d)*w,t=a-o*g-r*h,u=b-p*g-s*h,q.save(),q.transform(o,p,r,s,t,u),q.fill(),q.restore())}function ea(a,b,c){var g,d=b.x-a.x,e=b.y-a.y,f=d*d+e*e;0!==f&&(g=c/math.sqrt(f),d*=g,e*=g,b.x+=d,b.y+=e,a.x-=d,a.y-=e)}function fa(a){t!==a&&(q.globalalpha=a,t=a)}function ga(a){u!==a&&(a===three.normalblending?q.globalcompositeoperation="source-over":a===three.additiveblending?q.globalcompositeoperation="lighter":a===three.subtractiveblending?q.globalcompositeoperation="darker":a===three.multiplyblending&&(q.globalcompositeoperation="multiply"),u=a)}function ha(a){x!==a&&(q.linewidth=a,x=a)}function ia(a){y!==a&&(q.linecap=a,y=a)}function ja(a){z!==a&&(q.linejoin=a,z=a)}function ka(a){v!==a&&(q.strokestyle=a,v=a)}function la(a){w!==a&&(q.fillstyle=a,w=a)}function ma(a){a.length!==a.length&&(q.setlinedash(a),a=a)}console.log("three.canvasrenderer",three.revision),a=a||{};var c,d,e,b,c,d,e,i,j,k,l,m,n,ca,da,ea,fa,ga,ha,ia,b=this,f=new three.projector,g=void 0!==a.canvas?a.canvas:document.createelement("canvas"),h=g.width,i=g.height,j=math.floor(h/2),k=math.floor(i/2),l=0,m=0,n=h,o=i,p=1,q=g.getcontext("2d",{alpha:a.alpha===!0}),r=new three.color(0),s=a.alpha===!0?0:1,t=1,u=0,v=null,w=null,x=null,y=null,z=null,a=[],u=(new three.renderablevertex,new three.renderablevertex,new three.color),z=(new three.color,new three.color,new three.color,new three.color,new three.color),$=new three.color,_=new three.color,aa={},ja=new three.box2,ka=new three.box2,la=new three.box2,ma=new three.color,na=new three.color,oa=new three.color,pa=new three.vector3,qa=new three.vector3,ra=new three.vector3,sa=new three.matrix3;void 0===q.setlinedash&&(q.setlinedash=function(){}),this.domelement=g,this.autoclear=!0,this.sortobjects=!0,this.sortelements=!0,this.info={render:{vertices:0,faces:0}},this.supportsvertextextures=function(){},this.setfaceculling=function(){},this.getcontext=function(){return q},this.getcontextattributes=function(){return q.getcontextattributes()},this.getpixelratio=function(){return p},this.setpixelratio=function(a){void 0!==a&&(p=a)},this.setsize=function(a,b,c){h=a*p,i=b*p,g.width=h,g.height=i,j=math.floor(h/2),k=math.floor(i/2),c!==!1&&(g.style.width=a+"px",g.style.height=b+"px"),ja.min.set(-j,-k),ja.max.set(j,k),ka.min.set(-j,-k),ka.max.set(j,k),t=1,u=0,v=null,w=null,x=null,y=null,z=null,this.setviewport(0,0,a,b)},this.setviewport=function(a,b,c,d){l=a*p,m=b*p,n=c*p,o=d*p},this.setscissor=function(){},this.setscissortest=function(){},this.setclearcolor=function(a,b){r.set(a),s=void 0!==b?b:1,ka.min.set(-j,-k),ka.max.set(j,k)},this.setclearcolorhex=function(a,b){console.warn("three.canvasrenderer: .setclearcolorhex() is being removed. use .setclearcolor() instead."),this.setclearcolor(a,b)},this.getclearcolor=function(){return r},this.getclearalpha=function(){return s},this.getmaxanisotropy=function(){return 0},this.clear=function(){ka.isempty()===!1&&(ka.intersect(ja),ka.expandbyscalar(2),ka.min.x=ka.min.x+j,ka.min.y=-ka.min.y+k,ka.max.x=ka.max.x+j,ka.max.y=-ka.max.y+k,
s<1&&q.clearrect(0|ka.min.x,0|ka.max.y,ka.max.x-ka.min.x|0,ka.min.y-ka.max.y|0),s>0&&(ga(three.normalblending),fa(1),la("rgba("+math.floor(255*r.r)+","+math.floor(255*r.g)+","+math.floor(255*r.b)+","+s+")"),q.fillrect(0|ka.min.x,0|ka.max.y,ka.max.x-ka.min.x|0,ka.min.y-ka.max.y|0)),ka.makeempty())},this.clearcolor=function(){},this.cleardepth=function(){},this.clearstencil=function(){},this.render=function(a,g){if(g instanceof three.camera==!1)return void console.error("three.canvasrenderer.render: camera is not an instance of three.camera.");var p=a.background;p&&p.iscolor?(la("rgb("+math.floor(255*p.r)+","+math.floor(255*p.g)+","+math.floor(255*p.b)+")"),q.fillrect(0,0,h,i)):this.autoclear===!0&&this.clear(),b.info.render.vertices=0,b.info.render.faces=0,q.settransform(n/h,0,0,-o/i,l,i-m),q.translate(j,k),c=f.projectscene(a,g,this.sortobjects,this.sortelements),d=c.elements,e=c.lights,b=g,sa.getnormalmatrix(g.matrixworldinverse),ta();for(var r=0,s=d.length;r<s;r++){var t=d[r],u=t.material;if(void 0!==u&&0!==u.opacity){if(la.makeempty(),t instanceof three.renderablesprite)c=t,c.x*=j,c.y*=k,va(c,t,u);else if(t instanceof three.renderableline)c=t.v1,d=t.v2,c.positionscreen.x*=j,c.positionscreen.y*=k,d.positionscreen.x*=j,d.positionscreen.y*=k,la.setfrompoints([c.positionscreen,d.positionscreen]),ja.intersectsbox(la)===!0&&wa(c,d,t,u);else if(t instanceof three.renderableface){if(c=t.v1,d=t.v2,e=t.v3,c.positionscreen.z<-1||c.positionscreen.z>1)continue;if(d.positionscreen.z<-1||d.positionscreen.z>1)continue;if(e.positionscreen.z<-1||e.positionscreen.z>1)continue;c.positionscreen.x*=j,c.positionscreen.y*=k,d.positionscreen.x*=j,d.positionscreen.y*=k,e.positionscreen.x*=j,e.positionscreen.y*=k,u.overdraw>0&&(ea(c.positionscreen,d.positionscreen,u.overdraw),ea(d.positionscreen,e.positionscreen,u.overdraw),ea(e.positionscreen,c.positionscreen,u.overdraw)),la.setfrompoints([c.positionscreen,d.positionscreen,e.positionscreen]),ja.intersectsbox(la)===!0&&xa(c,d,e,0,1,2,t,u)}ka.union(la)}}q.settransform(1,0,0,1,0,0)}};

var separation = 100,
    amountx = 50,
    amounty = 50;
var container;
var camera, scene, renderer;
var particles, particle, count = 0;
var mousex = 0,
    mousey = 0;


/*让canvas的宽高从父容器取到*/
var canvasbox = $('.canvas-box');
var canw = canvasbox.width();
var canh = canvasbox.height();


var windowhalfx = canw / 2;
var windowhalfy = canh / 2;



if($(window).width() > 800){

    init();
    animate();
}


function init() {
    container = document.createelement('div');
    canvasbox.append(container);
    camera = new three.perspectivecamera(100, window.innerwidth / window.innerheight, 1, 10000);
    camera.position.z = 1000;
    scene = new three.scene();
    scene.background = new three.color(0xffffff);
    particles = new array();
    var pi2 = math.pi * 2;
    var color = new three.color("rgb(183, 183, 183)");   //var color = new three.color("rgb(183, 183, 183)");
    var material = new three.spritecanvasmaterial({
        color: color,
        program: function(context) {
            context.beginpath();
            context.arc(0, 0, 0.5, 0, pi2, true);
            context.fill();
        }
    });
    var i = 0;
    for (var ix = 0; ix < amountx; ix++) {
        for (var iy = 0; iy < amounty; iy++) {
            particle = particles[i++] = new three.sprite(material);
            particle.position.x = ix * separation - ((amountx * separation) / 2);
            particle.position.z = iy * separation - ((amounty * separation) / 2);
            scene.add(particle);
        }
    }
    renderer = new three.canvasrenderer();
    renderer.setpixelratio(window.devicepixelratio);
    renderer.setsize(canw,canh);
    container.appendchild(renderer.domelement);
    document.addeventlistener('mousemove', ondocumentmousemove, false);

    //document.addeventlistener( 'touchstart', ondocumenttouchstart, false );
    //document.addeventlistener( 'touchmove', ondocumenttouchmove, false );
    //

    window.addeventlistener('resize', onwindowresize, false);
}

function onwindowresize() {
    windowhalfx = window.innerwidth / 2;
    windowhalfy = window.innerheight / 2;

    var canw = canvasbox.width();
    var canh = canvasbox.height();

    camera.aspect = canw / canh;
    camera.updateprojectionmatrix();
    renderer.setsize(canw,canh);
}
//
function ondocumentmousemove(event) {
    mousex = event.clientx - windowhalfx;
    mousey = event.clienty - windowhalfy;
}

function ondocumenttouchstart(event) {
    if (event.touches.length === 1) {
        event.preventdefault();
        mousex = event.touches[0].pagex - windowhalfx;
        mousey = event.touches[0].pagey - windowhalfy;
    }
}

function ondocumenttouchmove(event) {
    if (event.touches.length === 1) {
        event.preventdefault();
        mousex = event.touches[0].pagex - windowhalfx;
        mousey = event.touches[0].pagey - windowhalfy;
    }
}
//
function animate() {
    requestanimationframe(animate);
    render();
}

function render() {
    camera.position.x += (900 - camera.position.x) * .05;
    camera.position.y += (500 - camera.position.y) * .1;
    camera.lookat(scene.position);

    var i = 0;
    for (var ix = 0; ix < amountx; ix++) {
        for (var iy = 0; iy < amounty; iy++) {
            particle = particles[i++];
            particle.position.y = (math.sin((ix + count) * 0.3) * 50) +
                (math.sin((iy + count) * 0.5) * 50);
            particle.scale.x = particle.scale.y = (math.sin((ix + count) * 0.3) + 1) * 4 +
                (math.sin((iy + count) * 0.5) + 1) * 4;
        }
    }
    renderer.render(scene, camera);
    count += 0.1;
}