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e._free(o),{array:l,itemsize:1}}(e,n,a)),e.destroy(a),c}(n,r,o,s),a=e.attributes.map(e=>e.array.buffer);e.index&&a.push(e.index.array.buffer),self.postmessage({type:"decode",id:i.id,geometry:e},a)}catch(e){console.error(e),self.postmessage({type:"error",id:i.id,error:e.message})}finally{n.destroy(o),n.destroy(r)}})}}}let u=()=>{let e;if(i)return i;let n=new uint8array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]),r=new uint8array([32,0,65,253,3,1,2,34,4,106,6,5,11,8,7,20,13,33,12,16,128,9,116,64,19,113,127,15,10,21,22,14,255,66,24,54,136,107,18,23,192,26,114,118,132,17,77,101,130,144,27,87,131,44,45,74,156,154,70,167]);if("object"!=typeof webassembly)return{supported:!1};let 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s=webassembly.instantiate(function(e){let n=new uint8array(e.length);for(let r=0;r<e.length;++r){let i=e.charcodeat(r);n[r]=i>96?i-71:i>64?i-65:i>47?i+4:i>46?63:62}let i=0;for(let a=0;a<e.length;++a)n[i++]=n[a]<60?r[n[a]]:(n[a]-60)*64+n[++a];return n.buffer.slice(0,i)}(a),{}).then(n=>{(e=n.instance).exports.__wasm_call_ctors()});function o(n,r,i,a,s,o){let l=e.exports.sbrk,u=i+3&-4,c=l(u*a),h=l(s.length),d=new uint8array(e.exports.memory.buffer);d.set(s,h);let p=n(c,i,a,h,s.length);if(0===p&&o&&o(c,u,a),r.set(d.subarray(c,c+i*a)),l(c-l(0)),0!==p)throw error(`malformed buffer data: ${p}`)}let l={0:"",1:"meshopt_decodefilteroct",2:"meshopt_decodefilterquat",3:"meshopt_decodefilterexp",none:"",octahedral:"meshopt_decodefilteroct",quaternion:"meshopt_decodefilterquat",exponential:"meshopt_decodefilterexp"},u={0:"meshopt_decodevertexbuffer",1:"meshopt_decodeindexbuffer",2:"meshopt_decodeindexsequence",attributes:"meshopt_decodevertexbuffer",triangles:"meshopt_decodeindexbuffer",indices:"meshopt_decodeindexsequence"};return i={ready:s,supported:!0,decodevertexbuffer(n,r,i,a,s){o(e.exports.meshopt_decodevertexbuffer,n,r,i,a,e.exports[l[s]])},decodeindexbuffer(n,r,i,a){o(e.exports.meshopt_decodeindexbuffer,n,r,i,a)},decodeindexsequence(n,r,i,a){o(e.exports.meshopt_decodeindexsequence,n,r,i,a)},decodegltfbuffer(n,r,i,a,s,c){o(e.exports[u[s]],n,r,i,a,e.exports[l[c]])}}};class c extends a.loader{constructor(e){super(e),this.dracoloader=null,this.ktx2loader=null,this.meshoptdecoder=null,this.plugincallbacks=[],this.register(function(e){return new g(e)}),this.register(function(e){return new m(e)}),this.register(function(e){return new s(e)}),this.register(function(e){return new y(e)}),this.register(function(e){return new x(e)}),this.register(function(e){return new _(e)}),this.register(function(e){return new a(e)}),this.register(function(e){return new m(e)}),this.register(function(e){return new b(e)}),this.register(function(e){return new v(e)}),this.register(function(e){return new p(e)}),this.register(function(e){return new w(e)})}load(e,n,r,i){let s;let o=this;s=""!==this.resourcepath?this.resourcepath:""!==this.path?this.path:a.loaderutils.extracturlbase(e),this.manager.itemstart(e);let l=function(n){i?i(n):console.error(n),o.manager.itemerror(e),o.manager.itemend(e)},u=new a.fileloader(this.manager);u.setpath(this.path),u.setresponsetype("arraybuffer"),u.setrequestheader(this.requestheader),u.setwithcredentials(this.withcredentials),u.load(e,function(r){try{o.parse(r,s,function(r){n(r),o.manager.itemend(e)},l)}catch(e){l(e)}},r,l)}setdracoloader(e){return this.dracoloader=e,this}setddsloader(){throw error('three.gltfloader: "msft_texture_dds" no longer supported. please update to "khr_texture_basisu".')}setktx2loader(e){return this.ktx2loader=e,this}setmeshoptdecoder(e){return this.meshoptdecoder=e,this}register(e){return -1===this.plugincallbacks.indexof(e)&&this.plugincallbacks.push(e),this}unregister(e){return -1!==this.plugincallbacks.indexof(e)&&this.plugincallbacks.splice(this.plugincallbacks.indexof(e),1),this}parse(e,n,r,i){let s;let o={},l={};if("string"==typeof e)s=e;else{let n=a.loaderutils.decodetext(new uint8array(e,0,4));if(n===c){try{o[d.khr_binary_gltf]=new t(e)}catch(e){i&&i(e);return}s=o[d.khr_binary_gltf].content}else s=a.loaderutils.decodetext(new uint8array(e))}let u=json.parse(s);if(void 0===u.asset||u.asset.version[0]<2){i&&i(error("three.gltfloader: unsupported asset. gltf versions >=2.0 are supported."));return}let c=new q(u,{path:n||this.resourcepath||"",crossorigin:this.crossorigin,requestheader:this.requestheader,manager:this.manager,ktx2loader:this.ktx2loader,meshoptdecoder:this.meshoptdecoder});c.fileloader.setrequestheader(this.requestheader);for(let e=0;e<this.plugincallbacks.length;e++){let n=this.plugincallbacks[e](c);l[n.name]=n,o[n.name]=!0}if(u.extensionsused)for(let e=0;e<u.extensionsused.length;++e){let n=u.extensionsused[e],r=u.extensionsrequired||[];switch(n){case d.khr_materials_unlit:o[n]=new f;break;case d.khr_materials_pbr_specular_glossiness:o[n]=new l;break;case d.khr_draco_mesh_compression:o[n]=new b(u,this.dracoloader);break;case d.khr_texture_transform:o[n]=new p;break;case d.khr_mesh_quantization:o[n]=new i;break;default:r.indexof(n)>=0&&void 0===l[n]&&console.warn('three.gltfloader: unknown extension "'+n+'".')}}c.setextensions(o),c.setplugins(l),c.parse(r,i)}parseasync(e,n){let r=this;return new promise(function(i,a){r.parse(e,n,i,a)})}}function h(){let e={};return{get:function(n){return e[n]},add:function(n,r){e[n]=r},remove:function(n){delete e[n]},removeall:function(){e={}}}}let d={khr_binary_gltf:"khr_binary_gltf",khr_draco_mesh_compression:"khr_draco_mesh_compression",khr_lights_punctual:"khr_lights_punctual",khr_materials_clearcoat:"khr_materials_clearcoat",khr_materials_ior:"khr_materials_ior",khr_materials_pbr_specular_glossiness:"khr_materials_pbrspecularglossiness",khr_materials_sheen:"khr_materials_sheen",khr_materials_specular:"khr_materials_specular",khr_materials_transmission:"khr_materials_transmission",khr_materials_iridescence:"khr_materials_iridescence",khr_materials_unlit:"khr_materials_unlit",khr_materials_volume:"khr_materials_volume",khr_texture_basisu:"khr_texture_basisu",khr_texture_transform:"khr_texture_transform",khr_mesh_quantization:"khr_mesh_quantization",khr_materials_emissive_strength:"khr_materials_emissive_strength",ext_texture_webp:"ext_texture_webp",ext_meshopt_compression:"ext_meshopt_compression"};class p{constructor(e){this.parser=e,this.name=d.khr_lights_punctual,this.cache={refs:{},uses:{}}}_markdefs(){let e=this.parser,n=this.parser.json.nodes||[];for(let r=0,i=n.length;r<i;r++){let i=n[r];i.extensions&&i.extensions[this.name]&&void 0!==i.extensions[this.name].light&&e._addnoderef(this.cache,i.extensions[this.name].light)}}_loadlight(e){let n;let r=this.parser,i="light:"+e,s=r.cache.get(i);if(s)return s;let o=r.json,l=o.extensions&&o.extensions[this.name]||{},u=l.lights||[],c=u[e],h=new a.color(16777215);void 0!==c.color&&h.fromarray(c.color);let d=void 0!==c.range?c.range:0;switch(c.type){case"directional":(n=new a.directionallight(h)).target.position.set(0,0,-1),n.add(n.target);break;case"point":(n=new a.pointlight(h)).distance=d;break;case"spot":(n=new a.spotlight(h)).distance=d,c.spot=c.spot||{},c.spot.innerconeangle=void 0!==c.spot.innerconeangle?c.spot.innerconeangle:0,c.spot.outerconeangle=void 0!==c.spot.outerconeangle?c.spot.outerconeangle:math.pi/4,n.angle=c.spot.outerconeangle,n.penumbra=1-c.spot.innerconeangle/c.spot.outerconeangle,n.target.position.set(0,0,-1),n.add(n.target);break;default:throw error("three.gltfloader: unexpected light type: "+c.type)}return n.position.set(0,0,0),n.decay=2,void 0!==c.intensity&&(n.intensity=c.intensity),n.name=r.createuniquename(c.name||"light_"+e),s=promise.resolve(n),r.cache.add(i,s),s}createnodeattachment(e){let n=this,r=this.parser,i=r.json,a=i.nodes[e],s=a.extensions&&a.extensions[this.name]||{},o=s.light;return void 0===o?null:this._loadlight(o).then(function(e){return r._getnoderef(n.cache,o,e)})}}class f{constructor(){this.name=d.khr_materials_unlit}getmaterialtype(){return a.meshbasicmaterial}extendparams(e,n,r){let i=[];e.color=new a.color(1,1,1),e.opacity=1;let s=n.pbrmetallicroughness;if(s){if(array.isarray(s.basecolorfactor)){let n=s.basecolorfactor;e.color.fromarray(n),e.opacity=n[3]}void 0!==s.basecolortexture&&i.push(r.assigntexture(e,"map",s.basecolortexture,a.srgbencoding))}return promise.all(i)}}class m{constructor(e){this.parser=e,this.name=d.khr_materials_emissive_strength}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let a=i.extensions[this.name].emissivestrength;return void 0!==a&&(n.emissiveintensity=a),promise.resolve()}}class g{constructor(e){this.parser=e,this.name=d.khr_materials_clearcoat}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let s=[],o=i.extensions[this.name];if(void 0!==o.clearcoatfactor&&(n.clearcoat=o.clearcoatfactor),void 0!==o.clearcoattexture&&s.push(r.assigntexture(n,"clearcoatmap",o.clearcoattexture)),void 0!==o.clearcoatroughnessfactor&&(n.clearcoatroughness=o.clearcoatroughnessfactor),void 0!==o.clearcoatroughnesstexture&&s.push(r.assigntexture(n,"clearcoatroughnessmap",o.clearcoatroughnesstexture)),void 0!==o.clearcoatnormaltexture&&(s.push(r.assigntexture(n,"clearcoatnormalmap",o.clearcoatnormaltexture)),void 0!==o.clearcoatnormaltexture.scale)){let e=o.clearcoatnormaltexture.scale;n.clearcoatnormalscale=new a.vector2(e,e)}return promise.all(s)}}class v{constructor(e){this.parser=e,this.name=d.khr_materials_iridescence}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let a=[],s=i.extensions[this.name];return void 0!==s.iridescencefactor&&(n.iridescence=s.iridescencefactor),void 0!==s.iridescencetexture&&a.push(r.assigntexture(n,"iridescencemap",s.iridescencetexture)),void 0!==s.iridescenceior&&(n.iridescenceior=s.iridescenceior),void 0===n.iridescencethicknessrange&&(n.iridescencethicknessrange=[100,400]),void 0!==s.iridescencethicknessminimum&&(n.iridescencethicknessrange[0]=s.iridescencethicknessminimum),void 0!==s.iridescencethicknessmaximum&&(n.iridescencethicknessrange[1]=s.iridescencethicknessmaximum),void 0!==s.iridescencethicknesstexture&&a.push(r.assigntexture(n,"iridescencethicknessmap",s.iridescencethicknesstexture)),promise.all(a)}}class y{constructor(e){this.parser=e,this.name=d.khr_materials_sheen}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let s=[];n.sheencolor=new a.color(0,0,0),n.sheenroughness=0,n.sheen=1;let o=i.extensions[this.name];return void 0!==o.sheencolorfactor&&n.sheencolor.fromarray(o.sheencolorfactor),void 0!==o.sheenroughnessfactor&&(n.sheenroughness=o.sheenroughnessfactor),void 0!==o.sheencolortexture&&s.push(r.assigntexture(n,"sheencolormap",o.sheencolortexture,a.srgbencoding)),void 0!==o.sheenroughnesstexture&&s.push(r.assigntexture(n,"sheenroughnessmap",o.sheenroughnesstexture)),promise.all(s)}}class x{constructor(e){this.parser=e,this.name=d.khr_materials_transmission}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let a=[],s=i.extensions[this.name];return void 0!==s.transmissionfactor&&(n.transmission=s.transmissionfactor),void 0!==s.transmissiontexture&&a.push(r.assigntexture(n,"transmissionmap",s.transmissiontexture)),promise.all(a)}}class _{constructor(e){this.parser=e,this.name=d.khr_materials_volume}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let s=[],o=i.extensions[this.name];n.thickness=void 0!==o.thicknessfactor?o.thicknessfactor:0,void 0!==o.thicknesstexture&&s.push(r.assigntexture(n,"thicknessmap",o.thicknesstexture)),n.attenuationdistance=o.attenuationdistance||1/0;let l=o.attenuationcolor||[1,1,1];return n.attenuationcolor=new a.color(l[0],l[1],l[2]),promise.all(s)}}class a{constructor(e){this.parser=e,this.name=d.khr_materials_ior}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let a=i.extensions[this.name];return n.ior=void 0!==a.ior?a.ior:1.5,promise.resolve()}}class b{constructor(e){this.parser=e,this.name=d.khr_materials_specular}getmaterialtype(e){let n=this.parser,r=n.json.materials[e];return r.extensions&&r.extensions[this.name]?a.meshphysicalmaterial:null}extendmaterialparams(e,n){let r=this.parser,i=r.json.materials[e];if(!i.extensions||!i.extensions[this.name])return promise.resolve();let s=[],o=i.extensions[this.name];n.specularintensity=void 0!==o.specularfactor?o.specularfactor:1,void 0!==o.speculartexture&&s.push(r.assigntexture(n,"specularintensitymap",o.speculartexture));let l=o.specularcolorfactor||[1,1,1];return n.specularcolor=new a.color(l[0],l[1],l[2]),void 0!==o.specularcolortexture&&s.push(r.assigntexture(n,"specularcolormap",o.specularcolortexture,a.srgbencoding)),promise.all(s)}}class m{constructor(e){this.parser=e,this.name=d.khr_texture_basisu}loadtexture(e){let n=this.parser,r=n.json,i=r.textures[e];if(!i.extensions||!i.extensions[this.name])return null;let a=i.extensions[this.name],s=n.options.ktx2loader;if(!s){if(!(r.extensionsrequired&&r.extensionsrequired.indexof(this.name)>=0))return null;throw error("three.gltfloader: setktx2loader must be called before loading ktx2 textures")}return n.loadtextureimage(e,a.source,s)}}class s{constructor(e){this.parser=e,this.name=d.ext_texture_webp,this.issupported=null}loadtexture(e){let n=this.name,r=this.parser,i=r.json,a=i.textures[e];if(!a.extensions||!a.extensions[n])return null;let s=a.extensions[n],o=i.images[s.source],l=r.textureloader;if(o.uri){let e=r.options.manager.gethandler(o.uri);null!==e&&(l=e)}return this.detectsupport().then(function(a){if(a)return r.loadtextureimage(e,s.source,l);if(i.extensionsrequired&&i.extensionsrequired.indexof(n)>=0)throw error("three.gltfloader: webp required by asset but unsupported.");return r.loadtexture(e)})}detectsupport(){return this.issupported||(this.issupported=new promise(function(e){let n=new image;n.src="data:image/webp;base64,uklgriiaaabxrujqvla4ibyaaaawaqcdasobaaeadsd+jaqaa3aaaaaa",n.onload=n.onerror=function(){e(1===n.height)}})),this.issupported}}class w{constructor(e){this.name=d.ext_meshopt_compression,this.parser=e}loadbufferview(e){let n=this.parser.json,r=n.bufferviews[e];if(!r.extensions||!r.extensions[this.name])return null;{let e=r.extensions[this.name],i=this.parser.getdependency("buffer",e.buffer),a=this.parser.options.meshoptdecoder;if(!a||!a.supported){if(!(n.extensionsrequired&&n.extensionsrequired.indexof(this.name)>=0))return null;throw error("three.gltfloader: setmeshoptdecoder must be called before loading compressed files")}return i.then(function(n){let r=e.byteoffset||0,i=e.bytelength||0,s=e.count,o=e.bytestride,l=new uint8array(n,r,i);return a.decodegltfbufferasync?a.decodegltfbufferasync(s,o,l,e.mode,e.filter).then(function(e){return e.buffer}):a.ready.then(function(){let n=new arraybuffer(s*o);return a.decodegltfbuffer(new uint8array(n),s,o,l,e.mode,e.filter),n})})}}}let c="gltf",e={json:1313821514,bin:5130562};class t{constructor(e){this.name=d.khr_binary_gltf,this.content=null,this.body=null;let n=new dataview(e,0,12);if(this.header={magic:a.loaderutils.decodetext(new uint8array(e.slice(0,4))),version:n.getuint32(4,!0),length:n.getuint32(8,!0)},this.header.magic!==c)throw error("three.gltfloader: unsupported gltf-binary header.");if(this.header.version<2)throw error("three.gltfloader: legacy binary file detected.");let r=this.header.length-12,i=new dataview(e,12),s=0;for(;s<r;){let n=i.getuint32(s,!0);s+=4;let r=i.getuint32(s,!0);if(s+=4,r===e.json){let r=new uint8array(e,12+s,n);this.content=a.loaderutils.decodetext(r)}else if(r===e.bin){let r=12+s;this.body=e.slice(r,r+n)}s+=n}if(null===this.content)throw error("three.gltfloader: json content not found.")}}class b{constructor(e,n){if(!n)throw error("three.gltfloader: no dracoloader instance provided.");this.name=d.khr_draco_mesh_compression,this.json=e,this.dracoloader=n,this.dracoloader.preload()}decodeprimitive(e,n){let r=this.json,i=this.dracoloader,a=e.extensions[this.name].bufferview,s=e.extensions[this.name].attributes,o={},l={},u={};for(let e in s){let n=z[e]||e.tolowercase();o[n]=s[e]}for(let n in e.attributes){let i=z[n]||n.tolowercase();if(void 0!==s[n]){let a=r.accessors[e.attributes[n]],s=k[a.componenttype];u[i]=s.name,l[i]=!0===a.normalized}}return n.getdependency("bufferview",a).then(function(e){return new promise(function(n){i.decodedracofile(e,function(e){for(let n in e.attributes){let r=e.attributes[n],i=l[n];void 0!==i&&(r.normalized=i)}n(e)},o,u)})})}}class p{constructor(){this.name=d.khr_texture_transform}extendtexture(e,n){return void 0!==n.texcoord&&console.warn('three.gltfloader: custom uv sets in "'+this.name+'" extension not yet supported.'),void 0===n.offset&&void 0===n.rotation&&void 0===n.scale||(e=e.clone(),void 0!==n.offset&&e.offset.fromarray(n.offset),void 0!==n.rotation&&(e.rotation=n.rotation),void 0!==n.scale&&e.repeat.fromarray(n.scale),e.needsupdate=!0),e}}class r extends a.meshstandardmaterial{constructor(e){super(),this.isgltfspecularglossinessmaterial=!0;let n={specular:{value:new a.color().sethex(16777215)},glossiness:{value:1},specularmap:{value:null},glossinessmap:{value:null}};this._extrauniforms=n,this.onbeforecompile=function(e){for(let r in n)e.uniforms[r]=n[r];e.fragmentshader=e.fragmentshader.replace("uniform float roughness;","uniform vec3 specular;").replace("uniform float metalness;","uniform float glossiness;").replace("#include <roughnessmap_pars_fragment>","#ifdef use_specularmap\n	uniform sampler2d specularmap;\n#endif").replace("#include <metalnessmap_pars_fragment>","#ifdef use_glossinessmap\n	uniform sampler2d glossinessmap;\n#endif").replace("#include <roughnessmap_fragment>","vec3 specularfactor = specular;\n#ifdef use_specularmap\n	vec4 texelspecular = texture2d( specularmap, vuv );\n	// reads channel rgb, compatible with a gltf specular-glossiness (rgba) texture\n	specularfactor *= texelspecular.rgb;\n#endif").replace("#include <metalnessmap_fragment>","float glossinessfactor = glossiness;\n#ifdef use_glossinessmap\n	vec4 texelglossiness = texture2d( glossinessmap, vuv );\n	// reads channel a, compatible with a gltf specular-glossiness (rgba) texture\n	glossinessfactor *= texelglossiness.a;\n#endif").replace("#include <lights_physical_fragment>","physicalmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb * ( 1. - max( specularfactor.r, max( specularfactor.g, specularfactor.b ) ) );\nvec3 dxy = max( abs( dfdx( geometrynormal ) ), abs( dfdy( geometrynormal ) ) );\nfloat geometryroughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( 1.0 - glossinessfactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.\nmaterial.roughness += geometryroughness;\nmaterial.roughness = min( material.roughness, 1.0 );\nmaterial.specularcolor = specularfactor;")},object.defineproperties(this,{specular:{get:function(){return n.specular.value},set:function(e){n.specular.value=e}},specularmap:{get:function(){return n.specularmap.value},set:function(e){n.specularmap.value=e,e?this.defines.use_specularmap="":delete this.defines.use_specularmap}},glossiness:{get:function(){return n.glossiness.value},set:function(e){n.glossiness.value=e}},glossinessmap:{get:function(){return n.glossinessmap.value},set:function(e){n.glossinessmap.value=e,e?(this.defines.use_glossinessmap="",this.defines.use_uv=""):(delete this.defines.use_glossinessmap,delete this.defines.use_uv)}}}),delete this.metalness,delete this.roughness,delete this.metalnessmap,delete this.roughnessmap,this.setvalues(e)}copy(e){return super.copy(e),this.specularmap=e.specularmap,this.specular.copy(e.specular),this.glossinessmap=e.glossinessmap,this.glossiness=e.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessmap,delete this.roughnessmap,this}}class l{constructor(){this.name=d.khr_materials_pbr_specular_glossiness,this.specularglossinessparams=["color","map","lightmap","lightmapintensity","aomap","aomapintensity","emissive","emissiveintensity","emissivemap","bumpmap","bumpscale","normalmap","normalmaptype","displacementmap","displacementscale","displacementbias","specularmap","specular","glossinessmap","glossiness","alphamap","envmap","envmapintensity","refractionratio"]}getmaterialtype(){return r}extendparams(e,n,r){let i=n.extensions[this.name];e.color=new a.color(1,1,1),e.opacity=1;let s=[];if(array.isarray(i.diffusefactor)){let n=i.diffusefactor;e.color.fromarray(n),e.opacity=n[3]}if(void 0!==i.diffusetexture&&s.push(r.assigntexture(e,"map",i.diffusetexture,a.srgbencoding)),e.emissive=new a.color(0,0,0),e.glossiness=void 0!==i.glossinessfactor?i.glossinessfactor:1,e.specular=new a.color(1,1,1),array.isarray(i.specularfactor)&&e.specular.fromarray(i.specularfactor),void 0!==i.specularglossinesstexture){let n=i.specularglossinesstexture;s.push(r.assigntexture(e,"glossinessmap",n)),s.push(r.assigntexture(e,"specularmap",n,a.srgbencoding))}return promise.all(s)}creatematerial(e){let n=new r(e);return n.fog=!0,n.color=e.color,n.map=void 0===e.map?null:e.map,n.lightmap=null,n.lightmapintensity=1,n.aomap=void 0===e.aomap?null:e.aomap,n.aomapintensity=1,n.emissive=e.emissive,n.emissiveintensity=void 0===e.emissiveintensity?1:e.emissiveintensity,n.emissivemap=void 0===e.emissivemap?null:e.emissivemap,n.bumpmap=void 0===e.bumpmap?null:e.bumpmap,n.bumpscale=1,n.normalmap=void 0===e.normalmap?null:e.normalmap,n.normalmaptype=a.tangentspacenormalmap,e.normalscale&&(n.normalscale=e.normalscale),n.displacementmap=null,n.displacementscale=1,n.displacementbias=0,n.specularmap=void 0===e.specularmap?null:e.specularmap,n.specular=e.specular,n.glossinessmap=void 0===e.glossinessmap?null:e.glossinessmap,n.glossiness=e.glossiness,n.alphamap=null,n.envmap=void 0===e.envmap?null:e.envmap,n.envmapintensity=1,n.refractionratio=.98,n}}class i{constructor(){this.name=d.khr_mesh_quantization}}class d extends a.interpolant{constructor(e,n,r,i){super(e,n,r,i)}copysamplevalue_(e){let n=this.resultbuffer,r=this.samplevalues,i=this.valuesize,a=e*i*3+i;for(let e=0;e!==i;e++)n[e]=r[a+e];return n}interpolate_(e,n,r,i){let a=this.resultbuffer,s=this.samplevalues,o=this.valuesize,l=2*o,u=3*o,c=i-n,h=(r-n)/c,d=h*h,p=d*h,f=e*u,m=f-u,g=-2*p+3*d,v=p-d,y=1-g,x=v-d+h;for(let e=0;e!==o;e++){let n=s[m+e+o],r=s[m+e+l]*c,i=s[f+e+o],u=s[f+e]*c;a[e]=y*n+x*r+g*i+v*u}return a}}let f=new a.quaternion;class o extends d{interpolate_(e,n,r,i){let a=super.interpolate_(e,n,r,i);return f.fromarray(a).normalize().toarray(a),a}}let n={float:5126,float_mat3:35675,float_mat4:35676,float_vec2:35664,float_vec3:35665,float_vec4:35666,linear:9729,repeat:10497,sampler_2d:35678,points:0,lines:1,line_loop:2,line_strip:3,triangles:4,triangle_strip:5,triangle_fan:6,unsigned_byte:5121,unsigned_short:5123},k={5120:int8array,5121:uint8array,5122:int16array,5123:uint16array,5125:uint32array,5126:float32array},h={9728:a.nearestfilter,9729:a.linearfilter,9984:a.nearestmipmapnearestfilter,9985:a.linearmipmapnearestfilter,9986:a.nearestmipmaplinearfilter,9987:a.linearmipmaplinearfilter},g={33071:a.clamptoedgewrapping,33648:a.mirroredrepeatwrapping,10497:a.repeatwrapping},u={scalar:1,vec2:2,vec3:3,vec4:4,mat2:4,mat3:9,mat4:16},z={position:"position",normal:"normal",tangent:"tangent",texcoord_0:"uv",texcoord_1:"uv2",color_0:"color",weights_0:"skinweight",joints_0:"skinindex"},v={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphtargetinfluences"},j={cubicspline:void 0,linear:a.interpolatelinear,step:a.interpolatediscrete},w={opaque:"opaque",mask:"mask",blend:"blend"};function j(e,n,r){for(let i in r.extensions)void 0===e[i]&&(n.userdata.gltfextensions=n.userdata.gltfextensions||{},n.userdata.gltfextensions[i]=r.extensions[i])}function x(e,n){void 0!==n.extras&&("object"==typeof n.extras?object.assign(e.userdata,n.extras):console.warn("three.gltfloader: ignoring primitive type .extras, "+n.extras))}function k(e){let n="",r=object.keys(e).sort();for(let i=0,a=r.length;i<a;i++)n+=r[i]+":"+e[r[i]]+";";return n}function y(e){switch(e){case int8array:return 1/127;case uint8array:return 1/255;case int16array:return 1/32767;case uint16array:return 1/65535;default:throw error("three.gltfloader: unsupported normalized accessor component type.")}}class q{constructor(e={},n={}){var r,i;this.json=e,this.extensions={},this.plugins={},this.options=n,this.cache=new h,this.associations=new map,this.primitivecache={},this.meshcache={refs:{},uses:{}},this.cameracache={refs:{},uses:{}},this.lightcache={refs:{},uses:{}},this.sourcecache={},this.texturecache={},this.nodenamesused={};let s="undefined"!=typeof navigator&&!0===/^((?!chrome|android).)*safari/i.test(navigator.useragent),o="undefined"!=typeof navigator&&(null===(r=navigator.useragent)||void 0===r?void 0:r.indexof("firefox"))>-1,l="undefined"!=typeof navigator&&o?null===(i=navigator.useragent)||void 0===i?void 0:i.match(/firefox\/([0-9]+)\./)[1]:-1;"undefined"==typeof createimagebitmap||s||o&&l<98?this.textureloader=new a.textureloader(this.options.manager):this.textureloader=new a.imagebitmaploader(this.options.manager),this.textureloader.setcrossorigin(this.options.crossorigin),this.textureloader.setrequestheader(this.options.requestheader),this.fileloader=new a.fileloader(this.options.manager),this.fileloader.setresponsetype("arraybuffer"),"use-credentials"===this.options.crossorigin&&this.fileloader.setwithcredentials(!0)}setextensions(e){this.extensions=e}setplugins(e){this.plugins=e}parse(e,n){let r=this,i=this.json,a=this.extensions;this.cache.removeall(),this._invokeall(function(e){return e._markdefs&&e._markdefs()}),promise.all(this._invokeall(function(e){return e.beforeroot&&e.beforeroot()})).then(function(){return promise.all([r.getdependencies("scene"),r.getdependencies("animation"),r.getdependencies("camera")])}).then(function(n){let s={scene:n[0][i.scene||0],scenes:n[0],animations:n[1],cameras:n[2],asset:i.asset,parser:r,userdata:{}};j(a,s,i),x(s,i),promise.all(r._invokeall(function(e){return e.afterroot&&e.afterroot(s)})).then(function(){e(s)})}).catch(n)}_markdefs(){let e=this.json.nodes||[],n=this.json.skins||[],r=this.json.meshes||[];for(let r=0,i=n.length;r<i;r++){let i=n[r].joints;for(let n=0,r=i.length;n<r;n++)e[i[n]].isbone=!0}for(let n=0,i=e.length;n<i;n++){let i=e[n];void 0!==i.mesh&&(this._addnoderef(this.meshcache,i.mesh),void 0!==i.skin&&(r[i.mesh].isskinnedmesh=!0)),void 0!==i.camera&&this._addnoderef(this.cameracache,i.camera)}}_addnoderef(e,n){void 0!==n&&(void 0===e.refs[n]&&(e.refs[n]=e.uses[n]=0),e.refs[n]++)}_getnoderef(e,n,r){if(e.refs[n]<=1)return r;let i=r.clone(),a=(e,n)=>{let r=this.associations.get(e);for(let[i,s]of(null!=r&&this.associations.set(n,r),e.children.entries()))a(s,n.children[i])};return a(r,i),i.name+="_instance_"+e.uses[n]++,i}_invokeone(e){let n=object.values(this.plugins);n.push(this);for(let r=0;r<n.length;r++){let i=e(n[r]);if(i)return i}return null}_invokeall(e){let n=object.values(this.plugins);n.unshift(this);let r=[];for(let i=0;i<n.length;i++){let a=e(n[i]);a&&r.push(a)}return r}getdependency(e,n){let r=e+":"+n,i=this.cache.get(r);if(!i){switch(e){case"scene":i=this.loadscene(n);break;case"node":i=this.loadnode(n);break;case"mesh":i=this._invokeone(function(e){return e.loadmesh&&e.loadmesh(n)});break;case"accessor":i=this.loadaccessor(n);break;case"bufferview":i=this._invokeone(function(e){return e.loadbufferview&&e.loadbufferview(n)});break;case"buffer":i=this.loadbuffer(n);break;case"material":i=this._invokeone(function(e){return e.loadmaterial&&e.loadmaterial(n)});break;case"texture":i=this._invokeone(function(e){return e.loadtexture&&e.loadtexture(n)});break;case"skin":i=this.loadskin(n);break;case"animation":i=this._invokeone(function(e){return e.loadanimation&&e.loadanimation(n)});break;case"camera":i=this.loadcamera(n);break;default:throw error("unknown type: "+e)}this.cache.add(r,i)}return i}getdependencies(e){let n=this.cache.get(e);if(!n){let r=this,i=this.json[e+("mesh"===e?"es":"s")]||[];n=promise.all(i.map(function(n,i){return r.getdependency(e,i)})),this.cache.add(e,n)}return n}loadbuffer(e){let n=this.json.buffers[e],r=this.fileloader;if(n.type&&"arraybuffer"!==n.type)throw error("three.gltfloader: "+n.type+" buffer type is not supported.");if(void 0===n.uri&&0===e)return promise.resolve(this.extensions[d.khr_binary_gltf].body);let i=this.options;return new promise(function(e,s){r.load(a.loaderutils.resolveurl(n.uri,i.path),e,void 0,function(){s(error('three.gltfloader: failed to load buffer "'+n.uri+'".'))})})}loadbufferview(e){let n=this.json.bufferviews[e];return this.getdependency("buffer",n.buffer).then(function(e){let r=n.bytelength||0,i=n.byteoffset||0;return e.slice(i,i+r)})}loadaccessor(e){let n=this,r=this.json,i=this.json.accessors[e];if(void 0===i.bufferview&&void 0===i.sparse)return promise.resolve(null);let s=[];return void 0!==i.bufferview?s.push(this.getdependency("bufferview",i.bufferview)):s.push(null),void 0!==i.sparse&&(s.push(this.getdependency("bufferview",i.sparse.indices.bufferview)),s.push(this.getdependency("bufferview",i.sparse.values.bufferview))),promise.all(s).then(function(e){let s,o;let l=e[0],u=u[i.type],c=k[i.componenttype],h=c.bytes_per_element,d=i.byteoffset||0,p=void 0!==i.bufferview?r.bufferviews[i.bufferview].bytestride:void 0,f=!0===i.normalized;if(p&&p!==h*u){let e=math.floor(d/p),r="interleavedbuffer:"+i.bufferview+":"+i.componenttype+":"+e+":"+i.count,m=n.cache.get(r);m||(s=new c(l,e*p,i.count*p/h),m=new a.interleavedbuffer(s,p/h),n.cache.add(r,m)),o=new a.interleavedbufferattribute(m,u,d%p/h,f)}else s=null===l?new c(i.count*u):new c(l,d,i.count*u),o=new a.bufferattribute(s,u,f);if(void 0!==i.sparse){let n=u.scalar,r=k[i.sparse.indices.componenttype],s=i.sparse.indices.byteoffset||0,h=i.sparse.values.byteoffset||0,d=new r(e[1],s,i.sparse.count*n),p=new c(e[2],h,i.sparse.count*u);null!==l&&(o=new a.bufferattribute(o.array.slice(),o.itemsize,o.normalized));for(let e=0,n=d.length;e<n;e++){let n=d[e];if(o.setx(n,p[e*u]),u>=2&&o.sety(n,p[e*u+1]),u>=3&&o.setz(n,p[e*u+2]),u>=4&&o.setw(n,p[e*u+3]),u>=5)throw error("three.gltfloader: unsupported itemsize in sparse bufferattribute.")}}return o})}loadtexture(e){let n=this.json,r=this.options,i=n.textures[e],a=i.source,s=n.images[a],o=this.textureloader;if(s.uri){let e=r.manager.gethandler(s.uri);null!==e&&(o=e)}return this.loadtextureimage(e,a,o)}loadtextureimage(e,n,r){let i=this,s=this.json,o=s.textures[e],l=s.images[n],u=(l.uri||l.bufferview)+":"+o.sampler;if(this.texturecache[u])return this.texturecache[u];let c=this.loadimagesource(n,r).then(function(n){n.flipy=!1,o.name&&(n.name=o.name);let r=s.samplers||{},l=r[o.sampler]||{};return n.magfilter=h[l.magfilter]||a.linearfilter,n.minfilter=h[l.minfilter]||a.linearmipmaplinearfilter,n.wraps=g[l.wraps]||a.repeatwrapping,n.wrapt=g[l.wrapt]||a.repeatwrapping,i.associations.set(n,{textures:e}),n}).catch(function(){return null});return this.texturecache[u]=c,c}loadimagesource(e,n){let r=this.json,i=this.options;if(void 0!==this.sourcecache[e])return this.sourcecache[e].then(e=>e.clone());let s=r.images[e],o=self.url||self.webkiturl,l=s.uri||"",u=!1;if(void 0!==s.bufferview)l=this.getdependency("bufferview",s.bufferview).then(function(e){u=!0;let n=new blob([e],{type:s.mimetype});return l=o.createobjecturl(n)});else if(void 0===s.uri)throw error("three.gltfloader: image "+e+" is missing uri and bufferview");let c=promise.resolve(l).then(function(e){return new promise(function(r,s){let o=r;!0===n.isimagebitmaploader&&(o=function(e){let n=new a.texture(e);n.needsupdate=!0,r(n)}),n.load(a.loaderutils.resolveurl(e,i.path),o,void 0,s)})}).then(function(e){var n;return!0===u&&o.revokeobjecturl(l),e.userdata.mimetype=s.mimetype||((n=s.uri).search(/\.jpe?g($|\?)/i)>0||0===n.search(/^data\:image\/jpeg/)?"image/jpeg":n.search(/\.webp($|\?)/i)>0||0===n.search(/^data\:image\/webp/)?"image/webp":"image/png"),e}).catch(function(e){throw console.error("three.gltfloader: couldn't load texture",l),e});return this.sourcecache[e]=c,c}assigntexture(e,n,r,i){let a=this;return this.getdependency("texture",r.index).then(function(s){if(void 0===r.texcoord||0==r.texcoord||"aomap"===n&&1==r.texcoord||console.warn("three.gltfloader: custom uv set "+r.texcoord+" for texture "+n+" not yet supported."),a.extensions[d.khr_texture_transform]){let e=void 0!==r.extensions?r.extensions[d.khr_texture_transform]:void 0;if(e){let n=a.associations.get(s);s=a.extensions[d.khr_texture_transform].extendtexture(s,e),a.associations.set(s,n)}}return void 0!==i&&(s.encoding=i),e[n]=s,s})}assignfinalmaterial(e){let n=e.geometry,r=e.material,i=void 0===n.attributes.tangent,s=void 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a=i.queue;null!==a&&(a.pending=null),i=i.next}n6=!1}if(n1=0,n4=n3=n2=null,n5=!1,n9=0,ix.current=null,null===r||null===r.return){i1=1,i2=n,iq=null;break}e:{var s=e,o=r.return,l=r,u=n;if(n=iz,l.flags|=32768,null!==u&&"object"==typeof u&&"function"==typeof u.then){var c=u,h=l,p=h.tag;if(0==(1&h.mode)&&(0===p||11===p||15===p)){var f=h.alternate;f?(h.updatequeue=f.updatequeue,h.memoizedstate=f.memoizedstate,h.lanes=f.lanes):(h.updatequeue=null,h.memoizedstate=null)}var m=rj(o);if(null!==m){m.flags&=-257,rx(m,o,l,s,n),1&m.mode&&rw(s,c,n),n=m,u=c;var g=n.updatequeue;if(null===g){var v=new set;v.add(u),n.updatequeue=v}else g.add(u);break e}if(0==(1&n)){rw(s,c,n),ac();break e}u=error(d(426))}else if(nm&&1&l.mode){var y=rj(o);if(null!==y){0==(65536&y.flags)&&(y.flags|=256),rx(y,o,l,s,n),ni(u);break e}}s=u,4!==i1&&(i1=2),null===i5?i5=[s]:i5.push(s),u=rg(u,l),l=o;do{switch(l.tag){case 3:l.flags|=65536,n&=-n,l.lanes|=n;var x=rv(l,u,n);t8(l,x);break e;case 1:s=u;var _=l.type,a=l.statenode;if(0==(128&l.flags)&&("function"==typeof _.getderivedstatefromerror||null!==a&&"function"==typeof a.componentdidcatch&&(null===ar||!ar.has(a)))){l.flags|=65536,n&=-n,l.lanes|=n;var b=rj(l,s,n);t8(l,b);break e}}l=l.return}while(null!==l)}ab(r)}catch(e){n=e,iq===r&&null!==r&&(iq=r=r.return);continue}break}}function aw(){var e=ij.current;return ij.current=ro,null===e?ro:e}function ac(){(0===i1||3===i1||2===i1)&&(i1=4),null===iq||0==(268435455&i3)&&0==(268435455&i4)||ax(iq,iz)}function ae(e,n){var r=iy;iy|=2;var i=aw();for(iq===e&&iz===n||am(e,n);;)try{!function(){for(;null!==iq;)at(iq)}();break}catch(n){as(e,n)}if(ty(),iy=r,ij.current=i,null!==iq)throw error(d(261));return iq=null,iz=0,i1}function at(e){var n=o(e.alternate,e,i$);e.memoizedprops=e.pendingprops,null===n?ab(e):iq=n,ix.current=null}function ab(e){var r=e;do{var o=r.alternate;if(e=r.return,0==(32768&r.flags)){if(null!==(o=function(e,r,o){var l=r.pendingprops;switch(n_(r),r.tag){case 2:case 16:case 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error(d(166));if(e=nj(nv.current),o=nj(nu.current),nr(r)){if(!$)throw error(d(176));if(e=r.statenode,l=r.memoizedprops,(o=ex(e,l,r,!ns))&&null!==(u=na))switch(c=0!=(1&u.mode),u.tag){case 3:e1(u.statenode.containerinfo,e,l,c);break;case 5:e2(u.type,u.memoizedprops,u.statenode,e,l,c)}o&&rk(r)}else r.statenode=j(l,e,o,r)}return rz(r),null;case 13:if(te(ny),l=r.memoizedstate,nm&&null!==nb&&0!=(1&r.mode)&&0==(128&r.flags)){for(e=nb;e;)e=ez(e);return nl(),r.flags|=98560,r}if(null!==l&&null!==l.dehydrated){if(l=nr(r),null===e){if(!l)throw error(d(318));if(!$)throw error(d(344));if(!(e=null!==(e=r.memoizedstate)?e.dehydrated:null))throw error(d(317));ek(e,r)}else nl(),0==(128&r.flags)&&(r.memoizedstate=null),r.flags|=4;return rz(r),null}if(null!==nw&&(ay(nw),nw=null),0!=(128&r.flags))return r.lanes=o,r;return l=null!==l,o=!1,null===e?nr(r):o=null!==e.memoizedstate,l&&!o&&(r.child.flags|=8192,0!=(1&r.mode)&&(null===e||0!=(1&ny.current)?0===i1&&(i1=3):ac())),null!==r.updatequeue&&(r.flags|=4),rz(r),null;case 4:return nj(),i(e,r),null===e&&et(r.statenode.containerinfo),rz(r),null;case 10:return tq(r.type._context),rz(r),null;case 19:if(te(ny),null===(u=r.memoizedstate))return rz(r),null;if(l=0!=(128&r.flags),null===(c=u.rendering)){if(l)rq(u,!1);else{if(0!==i1||null!==e&&0!=(128&e.flags))for(e=r.child;null!==e;){if(null!==(c=nq(e))){for(r.flags|=128,rq(u,!1),null!==(e=c.updatequeue)&&(r.updatequeue=e,r.flags|=4),r.subtreeflags=0,e=o,l=r.child;null!==l;)o=l,u=e,o.flags&=14680066,null===(c=o.alternate)?(o.childlanes=0,o.lanes=u,o.child=null,o.subtreeflags=0,o.memoizedprops=null,o.memoizedstate=null,o.updatequeue=null,o.dependencies=null,o.statenode=null):(o.childlanes=c.childlanes,o.lanes=c.lanes,o.child=c.child,o.subtreeflags=0,o.deletions=null,o.memoizedprops=c.memoizedprops,o.memoizedstate=c.memoizedstate,o.updatequeue=c.updatequeue,o.type=c.type,u=c.dependencies,o.dependencies=null===u?null:{lanes:u.lanes,firstcontext:u.firstcontext}),l=l.sibling;return tt(ny,1&ny.current|2),r.child}e=e.sibling}null!==u.tail&&tp()>i7&&(r.flags|=128,l=!0,rq(u,!1),r.lanes=4194304)}}else{if(!l){if(null!==(e=nq(c))){if(r.flags|=128,l=!0,null!==(e=e.updatequeue)&&(r.updatequeue=e,r.flags|=4),rq(u,!0),null===u.tail&&"hidden"===u.tailmode&&!c.alternate&&!nm)return rz(r),null}else 2*tp()-u.renderingstarttime>i7&&1073741824!==o&&(r.flags|=128,l=!0,rq(u,!1),r.lanes=4194304)}u.isbackwards?(c.sibling=r.child,r.child=c):(null!==(e=u.last)?e.sibling=c:r.child=c,u.last=c)}if(null!==u.tail)return r=u.tail,u.rendering=r,u.tail=r.sibling,u.renderingstarttime=tp(),r.sibling=null,e=ny.current,tt(ny,l?1&e|2:1&e),r;return rz(r),null;case 22:case 23:return ab(),l=null!==r.memoizedstate,null!==e&&null!==e.memoizedstate!==l&&(r.flags|=8192),l&&0!=(1&r.mode)?0!=(1073741824&i$)&&(rz(r),q&&6&r.subtreeflags&&(r.flags|=8192)):rz(r),null;case 24:case 25:return null}throw error(d(156,r.tag))}(o,r,i$))){iq=o;return}}else{if(null!==(o=function(e,n){switch(n_(n),n.tag){case 1:return to(n.type)&&tl(),65536&(e=n.flags)?(n.flags=-65537&e|128,n):null;case 3:return nj(),te(ti),te(tr),nz(),0!=(65536&(e=n.flags))&&0==(128&e)?(n.flags=-65537&e|128,n):null;case 5:return nk(n),null;case 13:if(te(ny),null!==(e=n.memoizedstate)&&null!==e.dehydrated){if(null===n.alternate)throw error(d(340));nl()}return 65536&(e=n.flags)?(n.flags=-65537&e|128,n):null;case 19:return te(ny),null;case 4:return nj(),null;case 10:return tq(n.type._context),null;case 22:case 23:return ab(),null;default:return null}}(o,r))){o.flags&=32767,iq=o;return}if(null!==e)e.flags|=32768,e.subtreeflags=0,e.deletions=null;else{i1=6,iq=null;return}}if(null!==(r=r.sibling)){iq=r;return}iq=r=e}while(null!==r);0===i1&&(i1=5)}function ap(e,n){var r=ts,i=ik.transition;try{ik.transition=null,ts=1,function(e,n,r){do ar();while(null!==aa);if(0!=(6&iy))throw error(d(327));var i=e.finishedwork,a=e.finishedlanes;if(null!==i){if(e.finishedwork=null,e.finishedlanes=0,i===e.current)throw error(d(177));e.callbacknode=null,e.callbackpriority=0;var s=i.lanes|i.childlanes;if(function(e,n){var r=e.pendinglanes&~n;e.pendinglanes=n,e.suspendedlanes=0,e.pingedlanes=0,e.expiredlanes&=n,e.mutablereadlanes&=n,e.entangledlanes&=n,n=e.entanglements;var i=e.eventtimes;for(e=e.expirationtimes;0<r;){var a=31-tp(r),s=1<<a;n[a]=0,i[a]=-1,e[a]=-1,r&=~s}}(e,s),e===iq&&(iq=iq=null,iz=0),0==(2064&i.subtreeflags)&&0==(2064&i.flags)||ai||(ai=!0,o=ti,l=function(){return ar(),null},tc(o,l)),s=0!=(15990&i.flags),0!=(15990&i.subtreeflags)||s){s=ik.transition,ik.transition=null;var o,l,u,c,h=ts;ts=1;var p=iy;iy|=4,ix.current=null,function(e,n){for(h(e.containerinfo),ig=n;null!==ig;)if(n=(e=ig).child,0!=(1028&e.subtreeflags)&&null!==n)n.return=e,ig=n;else for(;null!==ig;){e=ig;try{var r=e.alternate;if(0!=(1024&e.flags))switch(e.tag){case 0:case 11:case 15:case 5:case 6:case 4:case 17:break;case 1:if(null!==r){var i=r.memoizedprops,a=r.memoizedstate,s=e.statenode,o=s.getsnapshotbeforeupdate(e.elementtype===e.type?i:tj(e.type,i),a);s.__reactinternalsnapshotbeforeupdate=o}break;case 3:q&&et(e.statenode.containerinfo);break;default:throw error(d(163))}}catch(n){ai(e,e.return,n)}if(null!==(n=e.sibling)){n.return=e.return,ig=n;break}ig=e.return}r=ix,ix=!1}(e,i),function(e,n){for(ig=n;null!==ig;){var r=(n=ig).deletions;if(null!==r)for(var i=0;i<r.length;i++){var a=r[i];try{var s=e;q?it(s,a,n):is(s,a,n);var o=a.alternate;null!==o&&(o.return=null),a.return=null}catch(e){ai(a,n,e)}}if(r=n.child,0!=(12854&n.subtreeflags)&&null!==r)r.return=n,ig=r;else for(;null!==ig;){n=ig;try{var l=n.flags;if(32&l&&q&&em(n.statenode),512&l){var u=n.alternate;if(null!==u){var c=u.ref;null!==c&&("function"==typeof c?c(null):c.current=null)}}if(8192&l)switch(n.tag){case 13:if(null!==n.memoizedstate){var h=n.alternate;(null===h||null===h.memoizedstate)&&(i8=tp())}break;case 22:var d=null!==n.memoizedstate,p=n.alternate,f=null!==p&&null!==p.memoizedstate;if(r=n,q){e:if(i=r,a=d,s=null,q)for(var m=i;;){if(5===m.tag){if(null===s){s=m;var g=m.statenode;a?es(g):ec(m.statenode,m.memoizedprops)}}else if(6===m.tag){if(null===s){var v=m.statenode;a?ew(v):ee(v,m.memoizedprops)}}else if((22!==m.tag&&23!==m.tag||null===m.memoizedstate||m===i)&&null!==m.child){m.child.return=m,m=m.child;continue}if(m===i)break;for(;null===m.sibling;){if(null===m.return||m.return===i)break e;s===m&&(s=null),m=m.return}s===m&&(s=null),m.sibling.return=m.return,m=m.sibling}}if(d&&!f&&0!=(1&r.mode)){ig=r;for(var y=r.child;null!==y;){for(r=ig=y;null!==ig;){var x=(i=ig).child;switch(i.tag){case 0:case 11:case 14:case 15:i_(4,i,i.return);break;case 1:iv(i,i.return);var _=i.statenode;if("function"==typeof _.componentwillunmount){var a=i.return;try{_.props=i.memoizedprops,_.state=i.memoizedstate,_.componentwillunmount()}catch(e){ai(i,a,e)}}break;case 5:iv(i,i.return);break;case 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 * @license react
 * scheduler.production.min.js
 *
 * copyright (c) facebook, inc. and its affiliates.
 *
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en.apply(void 0,r)};var el=function(){function e(e,n){void 0===n&&(n={}),this.message=e,this.position={offset:0,line:1,column:1},this.ignoretag=!!n.ignoretag,this.locale=n.locale,this.requiresotherclause=!!n.requiresotherclause,this.shouldparseskeletons=!!n.shouldparseskeletons}return e.prototype.parse=function(){if(0!==this.offset())throw error("parser can only be used once");return this.parsemessage(0,"",!1)},e.prototype.parsemessage=function(e,n,r){for(var i=[];!this.iseof();){var a=this.char();if(123===a){var s=this.parseargument(e,r);if(s.err)return s;i.push(s.val)}else if(125===a&&e>0)break;else if(35===a&&("plural"===n||"selectordinal"===n)){var o=this.cloneposition();this.bump(),i.push({type:h.pound,location:w(o,this.cloneposition())})}else if(60!==a||this.ignoretag||47!==this.peek()){if(60===a&&!this.ignoretag&&eu(this.peek()||0)){var s=this.parsetag(e,n);if(s.err)return s;i.push(s.val)}else{var s=this.parseliteral(e,n);if(s.err)return s;i.push(s.val)}}else{if(!r)return this.error(c.unmatched_closing_tag,w(this.cloneposition(),this.cloneposition()));break}}return{val:i,err:null}},e.prototype.parsetag=function(e,n){var r=this.cloneposition();this.bump();var i=this.parsetagname();if(this.bumpspace(),this.bumpif("/>"))return{val:{type:h.literal,value:"<".concat(i,"/>"),location:w(r,this.cloneposition())},err:null};if(!this.bumpif(">"))return this.error(c.invalid_tag,w(r,this.cloneposition()));var a=this.parsemessage(e+1,n,!0);if(a.err)return a;var s=a.val,o=this.cloneposition();if(!this.bumpif("</"))return this.error(c.unclosed_tag,w(r,this.cloneposition()));if(this.iseof()||!eu(this.char()))return this.error(c.invalid_tag,w(o,this.cloneposition()));var l=this.cloneposition();return i!==this.parsetagname()?this.error(c.unmatched_closing_tag,w(l,this.cloneposition())):(this.bumpspace(),this.bumpif(">"))?{val:{type:h.tag,value:i,children:s,location:w(r,this.cloneposition())},err:null}:this.error(c.invalid_tag,w(o,this.cloneposition()))},e.prototype.parsetagname=function(){var e,n=this.offset();for(this.bump();!this.iseof()&&(45===(e=this.char())||46===e||e>=48&&e<=57||95===e||e>=97&&e<=122||e>=65&&e<=90||183==e||e>=192&&e<=214||e>=216&&e<=246||e>=248&&e<=893||e>=895&&e<=8191||e>=8204&&e<=8205||e>=8255&&e<=8256||e>=8304&&e<=8591||e>=11264&&e<=12271||e>=12289&&e<=55295||e>=63744&&e<=64975||e>=65008&&e<=65533||e>=65536&&e<=983039);)this.bump();return this.message.slice(n,this.offset())},e.prototype.parseliteral=function(e,n){for(var r=this.cloneposition(),i="";;){var a=this.tryparsequote(n);if(a){i+=a;continue}var s=this.tryparseunquoted(e,n);if(s){i+=s;continue}var o=this.tryparseleftanglebracket();if(o){i+=o;continue}break}var l=w(r,this.cloneposition());return{val:{type:h.literal,value:i,location:l},err:null}},e.prototype.tryparseleftanglebracket=function(){var e;return this.iseof()||60!==this.char()||!this.ignoretag&&(eu(e=this.peek()||0)||47===e)?null:(this.bump(),"<")},e.prototype.tryparsequote=function(e){if(this.iseof()||39!==this.char())return null;switch(this.peek()){case 39:return this.bump(),this.bump(),"'";case 123:case 60:case 62:case 125:break;case 35:if("plural"===e||"selectordinal"===e)break;return null;default:return null}this.bump();var n=[this.char()];for(this.bump();!this.iseof();){var r=this.char();if(39===r){if(39===this.peek())n.push(39),this.bump();else{this.bump();break}}else n.push(r);this.bump()}return en.apply(void 0,n)},e.prototype.tryparseunquoted=function(e,n){if(this.iseof())return null;var r=this.char();return 60===r||123===r||35===r&&("plural"===n||"selectordinal"===n)||125===r&&e>0?null:(this.bump(),en(r))},e.prototype.parseargument=function(e,n){var r=this.cloneposition();if(this.bump(),this.bumpspace(),this.iseof())return this.error(c.expect_argument_closing_brace,w(r,this.cloneposition()));if(125===this.char())return this.bump(),this.error(c.empty_argument,w(r,this.cloneposition()));var i=this.parseidentifierifpossible().value;if(!i)return this.error(c.malformed_argument,w(r,this.cloneposition()));if(this.bumpspace(),this.iseof())return this.error(c.expect_argument_closing_brace,w(r,this.cloneposition()));switch(this.char()){case 125:return this.bump(),{val:{type:h.argument,value:i,location:w(r,this.cloneposition())},err:null};case 44:if(this.bump(),this.bumpspace(),this.iseof())return this.error(c.expect_argument_closing_brace,w(r,this.cloneposition()));return this.parseargumentoptions(e,n,i,r);default:return this.error(c.malformed_argument,w(r,this.cloneposition()))}},e.prototype.parseidentifierifpossible=function(){var e=this.cloneposition(),n=this.offset(),r=f(this.message,n),i=n+r.length;return this.bumpto(i),{value:r,location:w(e,this.cloneposition())}},e.prototype.parseargumentoptions=function(e,n,r,i){var a,s=this.cloneposition(),o=this.parseidentifierifpossible().value,l=this.cloneposition();switch(o){case"":return this.error(c.expect_argument_type,w(s,l));case"number":case"date":case"time":this.bumpspace();var u=null;if(this.bumpif(",")){this.bumpspace();var p=this.cloneposition(),f=this.parsesimpleargstyleifpossible();if(f.err)return f;var m=es(f.val);if(0===m.length)return this.error(c.expect_argument_style,w(this.cloneposition(),this.cloneposition()));u={style:m,stylelocation:w(p,this.cloneposition())}}var g=this.tryparseargumentclose(i);if(g.err)return g;var v=w(i,this.cloneposition());if(u&&et(null==u?void 0:u.style,"::",0)){var y,x=ea(u.style.slice(2));if("number"===o){var f=this.parsenumberskeletonfromstring(x,u.stylelocation);if(f.err)return f;return{val:{type:h.number,value:r,location:v,style:f.val},err:null}}if(0===x.length)return this.error(c.expect_date_time_skeleton,v);var _=x;this.locale&&(_=function(e,n){for(var r="",i=0;i<e.length;i++){var a=e.charat(i);if("j"===a){for(var s=0;i+1<e.length&&e.charat(i+1)===a;)s++,i++;var o=1+(1&s),l=s<2?1:3+(s>>1),u=function(e){var n,r=e.hourcycle;if(void 0===r&&e.hourcycles&&e.hourcycles.length&&(r=e.hourcycles[0]),r)switch(r){case"h24":return"k";case"h23":return"h";case"h12":return"h";case"h11":return"k";default:throw error("invalid hourcycle")}var i=e.language;return"root"!==i&&(n=e.maximize().region),(z[n||""]||z[i||""]||z["".concat(i,"-001")]||z["001"])[0]}(n);for(("h"==u||"k"==u)&&(l=0);l-- >0;)r+="a";for(;o-- >0;)r=u+r}else"j"===a?r+="h":r+=a}return r}(x,this.locale));var m={type:d.datetime,pattern:_,location:u.stylelocation,parsedoptions:this.shouldparseskeletons?(y={},_.replace(i,function(e){var n=e.length;switch(e[0]){case"g":y.era=4===n?"long":5===n?"narrow":"short";break;case"y":y.year=2===n?"2-digit":"numeric";break;case"y":case"u":case"u":case"r":throw rangeerror("`y/u/u/r` (year) patterns are not supported, use `y` instead");case"q":case"q":throw rangeerror("`q/q` (quarter) patterns are not supported");case"m":case"l":y.month=["numeric","2-digit","short","long","narrow"][n-1];break;case"w":case"w":throw rangeerror("`w/w` (week) patterns are not supported");case"d":y.day=["numeric","2-digit"][n-1];break;case"d":case"f":case"g":throw rangeerror("`d/f/g` (day) patterns are not supported, use `d` instead");case"e":y.weekday=4===n?"short":5===n?"narrow":"short";break;case"e":if(n<4)throw rangeerror("`e..eee` (weekday) patterns are not supported");y.weekday=["short","long","narrow","short"][n-4];break;case"c":if(n<4)throw rangeerror("`c..ccc` (weekday) patterns are not supported");y.weekday=["short","long","narrow","short"][n-4];break;case"a":y.hour12=!0;break;case"b":case"b":throw rangeerror("`b/b` (period) patterns are not supported, use `a` instead");case"h":y.hourcycle="h12",y.hour=["numeric","2-digit"][n-1];break;case"h":y.hourcycle="h23",y.hour=["numeric","2-digit"][n-1];break;case"k":y.hourcycle="h11",y.hour=["numeric","2-digit"][n-1];break;case"k":y.hourcycle="h24",y.hour=["numeric","2-digit"][n-1];break;case"j":case"j":case"c":throw rangeerror("`j/j/c` (hour) patterns are not supported, use `h/h/k/k` instead");case"m":y.minute=["numeric","2-digit"][n-1];break;case"s":y.second=["numeric","2-digit"][n-1];break;case"s":case"a":throw rangeerror("`s/a` (second) patterns are not supported, use `s` instead");case"z":y.timezonename=n<4?"short":"long";break;case"z":case"o":case"v":case"v":case"x":case"x":throw rangeerror("`z/o/v/v/x/x` (timezone) patterns are not supported, use `z` instead")}return""}),y):{}};return{val:{type:"date"===o?h.date:h.time,value:r,location:v,style:m},err:null}}return{val:{type:"number"===o?h.number:"date"===o?h.date:h.time,value:r,location:v,style:null!==(a=null==u?void 0:u.style)&&void 0!==a?a:null},err:null};case"plural":case"selectordinal":case"select":var a=this.cloneposition();if(this.bumpspace(),!this.bumpif(","))return this.error(c.expect_select_argument_options,w(a,(0,b.pi)({},a)));this.bumpspace();var m=this.parseidentifierifpossible(),s=0;if("select"!==o&&"offset"===m.value){if(!this.bumpif(":"))return this.error(c.expect_plural_argument_offset_value,w(this.cloneposition(),this.cloneposition()));this.bumpspace();var f=this.tryparsedecimalinteger(c.expect_plural_argument_offset_value,c.invalid_plural_argument_offset_value);if(f.err)return f;this.bumpspace(),m=this.parseidentifierifpossible(),s=f.val}var w=this.tryparsepluralorselectoptions(e,o,n,m);if(w.err)return w;var g=this.tryparseargumentclose(i);if(g.err)return g;var c=w(i,this.cloneposition());if("select"===o)return{val:{type:h.select,value:r,options:er(w.val),location:c},err:null};return{val:{type:h.plural,value:r,options:er(w.val),offset:s,pluraltype:"plural"===o?"cardinal":"ordinal",location:c},err:null};default:return this.error(c.invalid_argument_type,w(s,l))}},e.prototype.tryparseargumentclose=function(e){return this.iseof()||125!==this.char()?this.error(c.expect_argument_closing_brace,w(e,this.cloneposition())):(this.bump(),{val:!0,err:null})},e.prototype.parsesimpleargstyleifpossible=function(){for(var e=0,n=this.cloneposition();!this.iseof();)switch(this.char()){case 39:this.bump();var r=this.cloneposition();if(!this.bumpuntil("'"))return this.error(c.unclosed_quote_in_argument_style,w(r,this.cloneposition()));this.bump();break;case 123:e+=1,this.bump();break;case 125:if(!(e>0))return{val:this.message.slice(n.offset,this.offset()),err:null};e-=1;break;default:this.bump()}return{val:this.message.slice(n.offset,this.offset()),err:null}},e.prototype.parsenumberskeletonfromstring=function(e,n){var r=[];try{r=function(e){if(0===e.length)throw error("number skeleton cannot be empty");for(var n=e.split(d).filter(function(e){return e.length>0}),r=[],i=0;i<n.length;i++){var a=n[i].split("/");if(0===a.length)throw error("invalid number skeleton");for(var s=a[0],o=a.slice(1),l=0;l<o.length;l++)if(0===o[l].length)throw error("invalid number skeleton");r.push({stem:s,options:o})}return r}(e)}catch(e){return this.error(c.invalid_number_skeleton,n)}return{val:{type:d.number,tokens:r,location:n,parsedoptions:this.shouldparseskeletons?function(e){for(var n={},r=0;r<e.length;r++){var i=e[r];switch(i.stem){case"percent":case"%":n.style="percent";continue;case"%x100":n.style="percent",n.scale=100;continue;case"currency":n.style="currency",n.currency=i.options[0];continue;case"group-off":case",_":n.usegrouping=!1;continue;case"precision-integer":case".":n.maximumfractiondigits=0;continue;case"measure-unit":case"unit":n.style="unit",n.unit=i.options[0].replace(/^(.*?)-/,"");continue;case"compact-short":case"k":n.notation="compact",n.compactdisplay="short";continue;case"compact-long":case"kk":n.notation="compact",n.compactdisplay="long";continue;case"scientific":n=(0,b.pi)((0,b.pi)((0,b.pi)({},n),{notation:"scientific"}),i.options.reduce(function(e,n){return(0,b.pi)((0,b.pi)({},e),g(n)||{})},{}));continue;case"engineering":n=(0,b.pi)((0,b.pi)((0,b.pi)({},n),{notation:"engineering"}),i.options.reduce(function(e,n){return(0,b.pi)((0,b.pi)({},e),g(n)||{})},{}));continue;case"notation-simple":n.notation="standard";continue;case"unit-width-narrow":n.currencydisplay="narrowsymbol",n.unitdisplay="narrow";continue;case"unit-width-short":n.currencydisplay="code",n.unitdisplay="short";continue;case"unit-width-full-name":n.currencydisplay="name",n.unitdisplay="long";continue;case"unit-width-iso-code":n.currencydisplay="symbol";continue;case"scale":n.scale=parsefloat(i.options[0]);continue;case"integer-width":if(i.options.length>1)throw 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e=this.layout;this.layout=this.measure(!1),this.layoutcorrected=(0,er.do)(),this.islayoutdirty=!1,this.projectiondelta=void 0,this.notifylisteners("measure",this.layout.layoutbox);let{visualelement:n}=this.options;n&&n.notify("layoutmeasure",this.layout.layoutbox,e?e.layoutbox:void 0)}updatescroll(e="measure"){let n=boolean(this.options.layoutscroll&&this.instance);this.scroll&&this.scroll.animationid===this.root.animationid&&this.scroll.phase===e&&(n=!1),n&&(this.scroll={animationid:this.root.animationid,phase:e,isroot:i(this.instance),offset:r(this.instance)})}resettransform(){if(!a)return;let e=this.islayoutdirty||this.shouldresettransform,n=this.projectiondelta&&!ts(this.projectiondelta),r=this.gettransformtemplate(),i=r?r(this.latestvalues,""):void 0,s=i!==this.prevtransformtemplatevalue;e&&(n||eo(this.latestvalues)||s)&&(a(this.instance,i),this.shouldresettransform=!1,this.schedulerender())}measure(e=!0){var n;let r=this.measurepagebox(),i=this.removeelementscroll(r);return 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s=boolean(this.resumingfrom)||this!==a,o=!(s&&this.issharedprojectiondirty||this.isprojectiondirty||(null===(e=this.parent)||void 0===e?void 0:e.isprojectiondirty)||this.attempttoresolverelativetarget);if(o)return;let{layout:l,layoutid:u}=this.options;if(this.layout&&(l||u)){if(!this.targetdelta&&!this.relativetarget){let e=this.getclosestprojectingparent();e&&e.layout?(this.relativeparent=e,this.relativetarget=(0,er.do)(),this.relativetargetorigin=(0,er.do)(),ew(this.relativetargetorigin,this.layout.layoutbox,e.layout.layoutbox),tg(this.relativetarget,this.relativetargetorigin)):this.relativeparent=this.relativetarget=void 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u=0===o||0===l||tc(o)===tc(l);u?(e[s]=math.max((0,ey.c)(tu(o),tu(l),i),0),(b.aq.test(l)||b.aq.test(o))&&(e[s]+="%")):e[s]=l}(n.rotate||r.rotate)&&(e.rotate=(0,ey.c)(n.rotate||0,r.rotate||0,i))}(s,a,this.latestvalues,c,f,p)),this.root.scheduleupdateprojection(),this.schedulerender(),this.animationprogress=c},this.mixtargetdelta(this.options.layoutroot?1e3:0)}startanimation(e){this.notifylisteners("animationstart"),this.currentanimation&&this.currentanimation.stop(),this.resumingfrom&&this.resumingfrom.currentanimation&&this.resumingfrom.currentanimation.stop(),this.pendinganimation&&(es.qy.update(this.pendinganimation),this.pendinganimation=void 0),this.pendinganimation=es.z_.update(()=>{e3.v.hasanimatedsinceresize=!0,this.currentanimation=function(e,n,r={}){let i=(0,h.i)(e)?e:(0,ti.b)(e);return 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e=this.getlead(),{targetwithtransforms:n,target:r,layout:i,latestvalues:a}=e;if(n&&r&&i){if(this!==e&&this.layout&&i&&t2(this.options.animationtype,this.layout.layoutbox,i.layoutbox)){r=this.target||(0,er.do)();let n=ex(this.layout.layoutbox.x);r.x.min=e.target.x.min,r.x.max=r.x.min+n;let i=ex(this.layout.layoutbox.y);r.y.min=e.target.y.min,r.y.max=r.y.min+i}tg(n,r),ej(n,a),eb(this.projectiondeltawithtransform,this.layoutcorrected,n,a)}}registersharednode(e,n){this.sharednodes.has(e)||this.sharednodes.set(e,new tt);let r=this.sharednodes.get(e);r.add(n);let i=n.options.initialpromotionconfig;n.promote({transition:i?i.transition:void 0,preservefollowopacity:i&&i.shouldpreservefollowopacity?i.shouldpreservefollowopacity(n):void 0})}islead(){let e=this.getstack();return!e||e.lead===this}getlead(){var e;let{layoutid:n}=this.options;return n&&(null===(e=this.getstack())||void 0===e?void 0:e.lead)||this}getprevlead(){var e;let{layoutid:n}=this.options;return 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o=(0,er.wc)();eb(o,n,r.layoutbox);let l=(0,er.wc)();s?eb(l,e.applytransform(i,!0),r.measuredbox):eb(l,n,r.layoutbox);let u=!ts(o),c=!1;if(!e.resumefrom){let i=e.getclosestprojectingparent();if(i&&!i.resumefrom){let{snapshot:a,layout:s}=i;if(a&&s){let o=(0,er.do)();ew(o,r.layoutbox,a.layoutbox);let l=(0,er.do)();ew(l,n,s.layoutbox),tw(o,l)||(c=!0),i.options.layoutroot&&(e.relativetarget=l,e.relativetargetorigin=o,e.relativeparent=i)}}}e.notifylisteners("didupdate",{layout:n,snapshot:r,delta:l,layoutdelta:o,haslayoutchanged:u,hasrelativetargetchanged:c})}else if(e.islead()){let{onexitcomplete:n}=e.options;n&&n()}e.options.transition=void 0}function tg(e){to.totalnodes++,e.parent&&(e.isprojecting()||(e.isprojectiondirty=e.parent.isprojectiondirty),e.issharedprojectiondirty||(e.issharedprojectiondirty=boolean(e.isprojectiondirty||e.parent.isprojectiondirty||e.parent.issharedprojectiondirty)),e.istransformdirty||(e.istransformdirty=e.parent.istransformdirty))}function 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this.multiplymatrices(e,this)}multiplymatrices(e,n){let r=e.elements,i=n.elements,a=this.elements,s=r[0],o=r[3],l=r[6],u=r[1],c=r[4],h=r[7],d=r[2],p=r[5],f=r[8],m=i[0],g=i[3],v=i[6],y=i[1],x=i[4],_=i[7],a=i[2],b=i[5],m=i[8];return a[0]=s*m+o*y+l*a,a[3]=s*g+o*x+l*b,a[6]=s*v+o*_+l*m,a[1]=u*m+c*y+h*a,a[4]=u*g+c*x+h*b,a[7]=u*v+c*_+h*m,a[2]=d*m+p*y+f*a,a[5]=d*g+p*x+f*b,a[8]=d*v+p*_+f*m,this}multiplyscalar(e){let n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=e,n[4]*=e,n[7]*=e,n[2]*=e,n[5]*=e,n[8]*=e,this}determinant(){let e=this.elements,n=e[0],r=e[1],i=e[2],a=e[3],s=e[4],o=e[5],l=e[6],u=e[7],c=e[8];return n*s*c-n*o*u-r*a*c+r*o*l+i*a*u-i*s*l}invert(){let e=this.elements,n=e[0],r=e[1],i=e[2],a=e[3],s=e[4],o=e[5],l=e[6],u=e[7],c=e[8],h=c*s-o*u,d=o*l-c*a,p=u*a-s*l,f=n*h+r*d+i*p;if(0===f)return this.set(0,0,0,0,0,0,0,0,0);let m=1/f;return e[0]=h*m,e[1]=(i*u-c*r)*m,e[2]=(o*r-i*s)*m,e[3]=d*m,e[4]=(c*n-i*l)*m,e[5]=(i*a-o*n)*m,e[6]=p*m,e[7]=(r*l-u*n)*m,e[8]=(s*n-r*a)*m,this}transpose(){let e;let n=this.elements;return e=n[1],n[1]=n[3],n[3]=e,e=n[2],n[2]=n[6],n[6]=e,e=n[5],n[5]=n[7],n[7]=e,this}getnormalmatrix(e){return this.setfrommatrix4(e).invert().transpose()}transposeintoarray(e){let n=this.elements;return e[0]=n[0],e[1]=n[3],e[2]=n[6],e[3]=n[1],e[4]=n[4],e[5]=n[7],e[6]=n[2],e[7]=n[5],e[8]=n[8],this}setuvtransform(e,n,r,i,a,s,o){let l=math.cos(a),u=math.sin(a);return this.set(r*l,r*u,-r*(l*s+u*o)+s+e,-i*u,i*l,-i*(-u*s+l*o)+o+n,0,0,1),this}scale(e,n){return this.premultiply(n_.makescale(e,n)),this}rotate(e){return this.premultiply(n_.makerotation(-e)),this}translate(e,n){return this.premultiply(n_.maketranslation(e,n)),this}maketranslation(e,n){return this.set(1,0,e,0,1,n,0,0,1),this}makerotation(e){let n=math.cos(e),r=math.sin(e);return this.set(n,-r,0,r,n,0,0,0,1),this}makescale(e,n){return this.set(e,0,0,0,n,0,0,0,1),this}equals(e){let n=this.elements,r=e.elements;for(let e=0;e<9;e++)if(n[e]!==r[e])return!1;return!0}fromarray(e,n=0){for(let r=0;r<9;r++)this.elements[r]=e[r+n];return this}toarray(e=[],n=0){let r=this.elements;return e[n]=r[0],e[n+1]=r[1],e[n+2]=r[2],e[n+3]=r[3],e[n+4]=r[4],e[n+5]=r[5],e[n+6]=r[6],e[n+7]=r[7],e[n+8]=r[8],e}clone(){return new this.constructor().fromarray(this.elements)}}let n_=new nx;function na(e){for(let n=e.length-1;n>=0;--n)if(e[n]>=65535)return!0;return!1}let nb={int8array:int8array,uint8array:uint8array,uint8clampedarray:uint8clampedarray,int16array:int16array,uint16array:uint16array,int32array:int32array,uint32array:uint32array,float32array:float32array,float64array:float64array};function nm(e,n){return new nb[e](n)}function ns(e){return document.createelementns("http://www.w3.org/1999/xhtml",e)}function nw(e){return e<.04045?.0773993808*e:math.pow(.9478672986*e+.0521327014,2.4)}function nc(e){return e<.0031308?12.92*e:1.055*math.pow(e,.41666)-.055}let ne={[tn]:{[tk]:nw},[tk]:{[tn]:nc}},nt={legacymode:!0,get workingcolorspace(){return tk},set workingcolorspace(colorspace){console.warn("three.colormanagement: .workingcolorspace is readonly.")},convert:function(e,n,r){if(this.legacymode||n===r||!n||!r)return e;if(ne[n]&&void 0!==ne[n][r]){let i=ne[n][r];return e.r=i(e.r),e.g=i(e.g),e.b=i(e.b),e}throw error("unsupported color space conversion.")},fromworkingcolorspace:function(e,n){return this.convert(e,this.workingcolorspace,n)},toworkingcolorspace:function(e,n){return this.convert(e,n,this.workingcolorspace)}},nb={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},np={r:0,g:0,b:0},nr={h:0,s:0,l:0},nl={h:0,s:0,l:0};function ni(e,n,r){return(r<0&&(r+=1),r>1&&(r-=1),r<1/6)?e+(n-e)*6*r:r<.5?n:r<2/3?e+(n-e)*6*(2/3-r):e}function nd(e,n){return n.r=e.r,n.g=e.g,n.b=e.b,n}class nf{constructor(e,n,r){if(this.iscolor=!0,this.r=1,this.g=1,this.b=1,void 0===n&&void 0===r)return this.set(e);return this.setrgb(e,n,r)}set(e){return e&&e.iscolor?this.copy(e):"number"==typeof e?this.sethex(e):"string"==typeof e&&this.setstyle(e),this}setscalar(e){return this.r=e,this.g=e,this.b=e,this}sethex(e,n=tn){return e=math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,nt.toworkingcolorspace(this,n),this}setrgb(e,n,r,i=nt.workingcolorspace){return this.r=e,this.g=n,this.b=r,nt.toworkingcolorspace(this,i),this}sethsl(e,n,r,i=nt.workingcolorspace){if(e=nc(e,1),n=nu(n,0,1),r=nu(r,0,1),0===n)this.r=this.g=this.b=r;else{let i=r<=.5?r*(1+n):r+n-r*n,a=2*r-i;this.r=ni(a,i,e+1/3),this.g=ni(a,i,e),this.b=ni(a,i,e-1/3)}return nt.toworkingcolorspace(this,i),this}setstyle(e,n=tn){let r;function i(n){void 0!==n&&1>parsefloat(n)&&console.warn("three.color: alpha component of "+e+" will be ignored.")}if(r=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let e;let a=r[1],s=r[2];switch(a){case"rgb":case"rgba":if(e=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=math.min(255,parseint(e[1],10))/255,this.g=math.min(255,parseint(e[2],10))/255,this.b=math.min(255,parseint(e[3],10))/255,nt.toworkingcolorspace(this,n),i(e[4]),this;if(e=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=math.min(100,parseint(e[1],10))/100,this.g=math.min(100,parseint(e[2],10))/100,this.b=math.min(100,parseint(e[3],10))/100,nt.toworkingcolorspace(this,n),i(e[4]),this;break;case"hsl":case"hsla":if(e=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s)){let r=parsefloat(e[1])/360,a=parsefloat(e[2])/100,s=parsefloat(e[3])/100;return i(e[4]),this.sethsl(r,a,s,n)}}}else if(r=/^\#([a-fa-f\d]+)$/.exec(e)){let e=r[1],i=e.length;if(3===i)return this.r=parseint(e.charat(0)+e.charat(0),16)/255,this.g=parseint(e.charat(1)+e.charat(1),16)/255,this.b=parseint(e.charat(2)+e.charat(2),16)/255,nt.toworkingcolorspace(this,n),this;if(6===i)return this.r=parseint(e.charat(0)+e.charat(1),16)/255,this.g=parseint(e.charat(2)+e.charat(3),16)/255,this.b=parseint(e.charat(4)+e.charat(5),16)/255,nt.toworkingcolorspace(this,n),this}return e&&e.length>0?this.setcolorname(e,n):this}setcolorname(e,n=tn){let r=nb[e.tolowercase()];return void 0!==r?this.sethex(r,n):console.warn("three.color: unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copysrgbtolinear(e){return this.r=nw(e.r),this.g=nw(e.g),this.b=nw(e.b),this}copylineartosrgb(e){return this.r=nc(e.r),this.g=nc(e.g),this.b=nc(e.b),this}convertsrgbtolinear(){return this.copysrgbtolinear(this),this}convertlineartosrgb(){return this.copylineartosrgb(this),this}gethex(e=tn){return nt.fromworkingcolorspace(nd(this,np),e),nu(255*np.r,0,255)<<16^nu(255*np.g,0,255)<<8^nu(255*np.b,0,255)<<0}gethexstring(e=tn){return("000000"+this.gethex(e).tostring(16)).slice(-6)}gethsl(e,n=nt.workingcolorspace){let r,i;nt.fromworkingcolorspace(nd(this,np),n);let a=np.r,s=np.g,o=np.b,l=math.max(a,s,o),u=math.min(a,s,o),c=(u+l)/2;if(u===l)r=0,i=0;else{let e=l-u;switch(i=c<=.5?e/(l+u):e/(2-l-u),l){case a:r=(s-o)/e+(s<o?6:0);break;case s:r=(o-a)/e+2;break;case o:r=(a-s)/e+4}r/=6}return e.h=r,e.s=i,e.l=c,e}getrgb(e,n=nt.workingcolorspace){return nt.fromworkingcolorspace(nd(this,np),n),e.r=np.r,e.g=np.g,e.b=np.b,e}getstyle(e=tn){return(nt.fromworkingcolorspace(nd(this,np),e),e!==tn)?`color(${e} ${np.r} ${np.g} ${np.b})`:`rgb(${255*np.r|0},${255*np.g|0},${255*np.b|0})`}offsethsl(e,n,r){return this.gethsl(nr),nr.h+=e,nr.s+=n,nr.l+=r,this.sethsl(nr.h,nr.s,nr.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addcolors(e,n){return this.r=e.r+n.r,this.g=e.g+n.g,this.b=e.b+n.b,this}addscalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=math.max(0,this.r-e.r),this.g=math.max(0,this.g-e.g),this.b=math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyscalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,n){return this.r+=(e.r-this.r)*n,this.g+=(e.g-this.g)*n,this.b+=(e.b-this.b)*n,this}lerpcolors(e,n,r){return this.r=e.r+(n.r-e.r)*r,this.g=e.g+(n.g-e.g)*r,this.b=e.b+(n.b-e.b)*r,this}lerphsl(e,n){this.gethsl(nr),e.gethsl(nl);let r=nh(nr.h,nl.h,n),i=nh(nr.s,nl.s,n),a=nh(nr.l,nl.l,n);return this.sethsl(r,i,a),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromarray(e,n=0){return this.r=e[n],this.g=e[n+1],this.b=e[n+2],this}toarray(e=[],n=0){return e[n]=this.r,e[n+1]=this.g,e[n+2]=this.b,e}frombufferattribute(e,n){return this.r=e.getx(n),this.g=e.gety(n),this.b=e.getz(n),this}tojson(){return this.gethex()}*[symbol.iterator](){yield this.r,yield this.g,yield this.b}}nf.names=nb;class no{static getdataurl(e){let n;if(/^data:/i.test(e.src)||"undefined"==typeof htmlcanvaselement)return e.src;if(e instanceof htmlcanvaselement)n=e;else{void 0===i&&(i=ns("canvas")),i.width=e.width,i.height=e.height;let r=i.getcontext("2d");e instanceof imagedata?r.putimagedata(e,0,0):r.drawimage(e,0,0,e.width,e.height),n=i}return n.width>2048||n.height>2048?(console.warn("three.imageutils.getdataurl: image converted to jpg for performance reasons",e),n.todataurl("image/jpeg",.6)):n.todataurl("image/png")}static srgbtolinear(e){if("undefined"!=typeof htmlimageelement&&e instanceof htmlimageelement||"undefined"!=typeof htmlcanvaselement&&e instanceof htmlcanvaselement||"undefined"!=typeof imagebitmap&&e instanceof imagebitmap){let n=ns("canvas");n.width=e.width,n.height=e.height;let r=n.getcontext("2d");r.drawimage(e,0,0,e.width,e.height);let i=r.getimagedata(0,0,e.width,e.height),a=i.data;for(let e=0;e<a.length;e++)a[e]=255*nw(a[e]/255);return r.putimagedata(i,0,0),n}if(!e.data)return console.warn("three.imageutils.srgbtolinear(): unsupported image type. no color space conversion applied."),e;{let n=e.data.slice(0);for(let e=0;e<n.length;e++)n instanceof uint8array||n instanceof uint8clampedarray?n[e]=math.floor(255*nw(n[e]/255)):n[e]=nw(n[e]);return{data:n,width:e.width,height:e.height}}}}class nn{constructor(e=null){this.issource=!0,this.uuid=nl(),this.data=e,this.version=0}set needsupdate(e){!0===e&&this.version++}tojson(e){let n=void 0===e||"string"==typeof e;if(!n&&void 0!==e.images[this.uuid])return e.images[this.uuid];let r={uuid:this.uuid,url:""},i=this.data;if(null!==i){let e;if(array.isarray(i)){e=[];for(let n=0,r=i.length;n<r;n++)i[n].isdatatexture?e.push(nk(i[n].image)):e.push(nk(i[n]))}else e=nk(i);r.url=e}return n||(e.images[this.uuid]=r),r}}function nk(e){return"undefined"!=typeof htmlimageelement&&e instanceof htmlimageelement||"undefined"!=typeof htmlcanvaselement&&e instanceof htmlcanvaselement||"undefined"!=typeof imagebitmap&&e instanceof imagebitmap?no.getdataurl(e):e.data?{data:array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("three.texture: unable to serialize texture."),{})}let nh=0;class ng extends nr{constructor(e=ng.default_image,n=ng.default_mapping,r=eg,i=eg,a=em,s=ec,o=eg,l=et,u=ng.default_anisotropy,c=tp){super(),this.istexture=!0,object.defineproperty(this,"id",{value:nh++}),this.uuid=nl(),this.name="",this.source=new nn(e),this.mipmaps=[],this.mapping=n,this.wraps=r,this.wrapt=i,this.magfilter=a,this.minfilter=s,this.anisotropy=u,this.format=o,this.internalformat=null,this.type=l,this.offset=new ny(0,0),this.repeat=new ny(1,1),this.center=new ny(0,0),this.rotation=0,this.matrixautoupdate=!0,this.matrix=new nx,this.generatemipmaps=!0,this.premultiplyalpha=!1,this.flipy=!0,this.unpackalignment=4,this.encoding=c,this.userdata={},this.version=0,this.onupdate=null,this.isrendertargettexture=!1,this.needspmremupdate=!1}get image(){return this.source.data}set image(e){this.source.data=e}updatematrix(){this.matrix.setuvtransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wraps=e.wraps,this.wrapt=e.wrapt,this.magfilter=e.magfilter,this.minfilter=e.minfilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalformat=e.internalformat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixautoupdate=e.matrixautoupdate,this.matrix.copy(e.matrix),this.generatemipmaps=e.generatemipmaps,this.premultiplyalpha=e.premultiplyalpha,this.flipy=e.flipy,this.unpackalignment=e.unpackalignment,this.encoding=e.encoding,this.userdata=json.parse(json.stringify(e.userdata)),this.needsupdate=!0,this}tojson(e){let n=void 0===e||"string"==typeof e;if(!n&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];let r={metadata:{version:4.5,type:"texture",generator:"texture.tojson"},uuid:this.uuid,name:this.name,image:this.source.tojson(e).uuid,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wraps,this.wrapt],format:this.format,type:this.type,encoding:this.encoding,minfilter:this.minfilter,magfilter:this.magfilter,anisotropy:this.anisotropy,flipy:this.flipy,generatemipmaps:this.generatemipmaps,premultiplyalpha:this.premultiplyalpha,unpackalignment:this.unpackalignment};return object.keys(this.userdata).length>0&&(r.userdata=this.userdata),n||(e.textures[this.uuid]=r),r}dispose(){this.dispatchevent({type:"dispose"})}transformuv(e){if(this.mapping!==eu)return e;if(e.applymatrix3(this.matrix),e.x<0||e.x>1)switch(this.wraps){case em:e.x=e.x-math.floor(e.x);break;case eg:e.x=e.x<0?0:1;break;case ev:1===math.abs(math.floor(e.x)%2)?e.x=math.ceil(e.x)-e.x:e.x=e.x-math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapt){case em:e.y=e.y-math.floor(e.y);break;case eg:e.y=e.y<0?0:1;break;case ev:1===math.abs(math.floor(e.y)%2)?e.y=math.ceil(e.y)-e.y:e.y=e.y-math.floor(e.y)}return this.flipy&&(e.y=1-e.y),e}set needsupdate(e){!0===e&&(this.version++,this.source.needsupdate=!0)}}ng.default_image=null,ng.default_mapping=eu,ng.default_anisotropy=1;class nu{constructor(e=0,n=0,r=0,i=1){nu.prototype.isvector4=!0,this.x=e,this.y=n,this.z=r,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,n,r,i){return this.x=e,this.y=n,this.z=r,this.w=i,this}setscalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setx(e){return this.x=e,this}sety(e){return this.y=e,this}setz(e){return this.z=e,this}setw(e){return this.w=e,this}setcomponent(e,n){switch(e){case 0:this.x=n;break;case 1:this.y=n;break;case 2:this.z=n;break;case 3:this.w=n;break;default:throw error("index is out of range: "+e)}return this}getcomponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addscalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addvectors(e,n){return this.x=e.x+n.x,this.y=e.y+n.y,this.z=e.z+n.z,this.w=e.w+n.w,this}addscaledvector(e,n){return this.x+=e.x*n,this.y+=e.y*n,this.z+=e.z*n,this.w+=e.w*n,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subscalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subvectors(e,n){return this.x=e.x-n.x,this.y=e.y-n.y,this.z=e.z-n.z,this.w=e.w-n.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyscalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applymatrix4(e){let n=this.x,r=this.y,i=this.z,a=this.w,s=e.elements;return this.x=s[0]*n+s[4]*r+s[8]*i+s[12]*a,this.y=s[1]*n+s[5]*r+s[9]*i+s[13]*a,this.z=s[2]*n+s[6]*r+s[10]*i+s[14]*a,this.w=s[3]*n+s[7]*r+s[11]*i+s[15]*a,this}dividescalar(e){return this.multiplyscalar(1/e)}setaxisanglefromquaternion(e){this.w=2*math.acos(e.w);let n=math.sqrt(1-e.w*e.w);return n<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/n,this.y=e.y/n,this.z=e.z/n),this}setaxisanglefromrotationmatrix(e){let n,r,i;let a=e.elements,s=a[0],o=a[4],l=a[8],u=a[1],c=a[5],h=a[9],d=a[2],p=a[6],f=a[10];if(.01>math.abs(o-u)&&.01>math.abs(l-d)&&.01>math.abs(h-p)){if(.1>math.abs(o+u)&&.1>math.abs(l+d)&&.1>math.abs(h+p)&&.1>math.abs(s+c+f-3))return this.set(1,0,0,0),this;let e=(s+1)/2,a=(c+1)/2,m=(f+1)/2,g=(o+u)/4,v=(l+d)/4,y=(h+p)/4;return e>a&&e>m?e<.01?(n=0,r=.707106781,i=.707106781):(r=g/(n=math.sqrt(e)),i=v/n):a>m?a<.01?(n=.707106781,r=0,i=.707106781):(n=g/(r=math.sqrt(a)),i=y/r):m<.01?(n=.707106781,r=.707106781,i=0):(n=v/(i=math.sqrt(m)),r=y/i),this.set(n,r,i,math.pi),this}let m=math.sqrt((p-h)*(p-h)+(l-d)*(l-d)+(u-o)*(u-o));return .001>math.abs(m)&&(m=1),this.x=(p-h)/m,this.y=(l-d)/m,this.z=(u-o)/m,this.w=math.acos((s+c+f-1)/2),this}min(e){return this.x=math.min(this.x,e.x),this.y=math.min(this.y,e.y),this.z=math.min(this.z,e.z),this.w=math.min(this.w,e.w),this}max(e){return this.x=math.max(this.x,e.x),this.y=math.max(this.y,e.y),this.z=math.max(this.z,e.z),this.w=math.max(this.w,e.w),this}clamp(e,n){return this.x=math.max(e.x,math.min(n.x,this.x)),this.y=math.max(e.y,math.min(n.y,this.y)),this.z=math.max(e.z,math.min(n.z,this.z)),this.w=math.max(e.w,math.min(n.w,this.w)),this}clampscalar(e,n){return this.x=math.max(e,math.min(n,this.x)),this.y=math.max(e,math.min(n,this.y)),this.z=math.max(e,math.min(n,this.z)),this.w=math.max(e,math.min(n,this.w)),this}clamplength(e,n){let r=this.length();return this.dividescalar(r||1).multiplyscalar(math.max(e,math.min(n,r)))}floor(){return this.x=math.floor(this.x),this.y=math.floor(this.y),this.z=math.floor(this.z),this.w=math.floor(this.w),this}ceil(){return this.x=math.ceil(this.x),this.y=math.ceil(this.y),this.z=math.ceil(this.z),this.w=math.ceil(this.w),this}round(){return this.x=math.round(this.x),this.y=math.round(this.y),this.z=math.round(this.z),this.w=math.round(this.w),this}roundtozero(){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.w=this.w<0?math.ceil(this.w):math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthsq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanlength(){return math.abs(this.x)+math.abs(this.y)+math.abs(this.z)+math.abs(this.w)}normalize(){return this.dividescalar(this.length()||1)}setlength(e){return this.normalize().multiplyscalar(e)}lerp(e,n){return this.x+=(e.x-this.x)*n,this.y+=(e.y-this.y)*n,this.z+=(e.z-this.z)*n,this.w+=(e.w-this.w)*n,this}lerpvectors(e,n,r){return this.x=e.x+(n.x-e.x)*r,this.y=e.y+(n.y-e.y)*r,this.z=e.z+(n.z-e.z)*r,this.w=e.w+(n.w-e.w)*r,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromarray(e,n=0){return this.x=e[n],this.y=e[n+1],this.z=e[n+2],this.w=e[n+3],this}toarray(e=[],n=0){return e[n]=this.x,e[n+1]=this.y,e[n+2]=this.z,e[n+3]=this.w,e}frombufferattribute(e,n){return this.x=e.getx(n),this.y=e.gety(n),this.z=e.getz(n),this.w=e.getw(n),this}random(){return this.x=math.random(),this.y=math.random(),this.z=math.random(),this.w=math.random(),this}*[symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class nz extends nr{constructor(e=1,n=1,r={}){super(),this.iswebglrendertarget=!0,this.width=e,this.height=n,this.depth=1,this.scissor=new nu(0,0,e,n),this.scissortest=!1,this.viewport=new nu(0,0,e,n),this.texture=new ng({width:e,height:n,depth:1},r.mapping,r.wraps,r.wrapt,r.magfilter,r.minfilter,r.format,r.type,r.anisotropy,r.encoding),this.texture.isrendertargettexture=!0,this.texture.flipy=!1,this.texture.generatemipmaps=void 0!==r.generatemipmaps&&r.generatemipmaps,this.texture.internalformat=void 0!==r.internalformat?r.internalformat:null,this.texture.minfilter=void 0!==r.minfilter?r.minfilter:em,this.depthbuffer=void 0===r.depthbuffer||r.depthbuffer,this.stencilbuffer=void 0!==r.stencilbuffer&&r.stencilbuffer,this.depthtexture=void 0!==r.depthtexture?r.depthtexture:null,this.samples=void 0!==r.samples?r.samples:0}setsize(e,n,r=1){(this.width!==e||this.height!==n||this.depth!==r)&&(this.width=e,this.height=n,this.depth=r,this.texture.image.width=e,this.texture.image.height=n,this.texture.image.depth=r,this.dispose()),this.viewport.set(0,0,e,n),this.scissor.set(0,0,e,n)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isrendertargettexture=!0;let n=object.assign({},e.texture.image);return this.texture.source=new nn(n),this.depthbuffer=e.depthbuffer,this.stencilbuffer=e.stencilbuffer,null!==e.depthtexture&&(this.depthtexture=e.depthtexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchevent({type:"dispose"})}}class nv extends ng{constructor(e=null,n=1,r=1,i=1){super(null),this.isdataarraytexture=!0,this.image={data:e,width:n,height:r,depth:i},this.magfilter=ey,this.minfilter=ey,this.wrapr=eg,this.generatemipmaps=!1,this.flipy=!1,this.unpackalignment=1}}class nj extends nz{constructor(e=1,n=1,r=1){super(e,n),this.iswebglarrayrendertarget=!0,this.depth=r,this.texture=new nv(null,e,n,r),this.texture.isrendertargettexture=!0}}class nw extends ng{constructor(e=null,n=1,r=1,i=1){super(null),this.isdata3dtexture=!0,this.image={data:e,width:n,height:r,depth:i},this.magfilter=ey,this.minfilter=ey,this.wrapr=eg,this.generatemipmaps=!1,this.flipy=!1,this.unpackalignment=1}}class nj extends nz{constructor(e=1,n=1,r=1){super(e,n),this.iswebgl3drendertarget=!0,this.depth=r,this.texture=new nw(null,e,n,r),this.texture.isrendertargettexture=!0}}class nx extends nz{constructor(e=1,n=1,r=1,i={}){super(e,n,i),this.iswebglmultiplerendertargets=!0;let a=this.texture;this.texture=[];for(let e=0;e<r;e++)this.texture[e]=a.clone(),this.texture[e].isrendertargettexture=!0}setsize(e,n,r=1){if(this.width!==e||this.height!==n||this.depth!==r){this.width=e,this.height=n,this.depth=r;for(let i=0,a=this.texture.length;i<a;i++)this.texture[i].image.width=e,this.texture[i].image.height=n,this.texture[i].image.depth=r;this.dispose()}return this.viewport.set(0,0,e,n),this.scissor.set(0,0,e,n),this}copy(e){this.dispose(),this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthbuffer=e.depthbuffer,this.stencilbuffer=e.stencilbuffer,null!==e.depthtexture&&(this.depthtexture=e.depthtexture.clone()),this.texture.length=0;for(let n=0,r=e.texture.length;n<r;n++)this.texture[n]=e.texture[n].clone(),this.texture[n].isrendertargettexture=!0;return this}}class nk{constructor(e=0,n=0,r=0,i=1){this.isquaternion=!0,this._x=e,this._y=n,this._z=r,this._w=i}static slerpflat(e,n,r,i,a,s,o){let l=r[i+0],u=r[i+1],c=r[i+2],h=r[i+3],d=a[s+0],p=a[s+1],f=a[s+2],m=a[s+3];if(0===o){e[n+0]=l,e[n+1]=u,e[n+2]=c,e[n+3]=h;return}if(1===o){e[n+0]=d,e[n+1]=p,e[n+2]=f,e[n+3]=m;return}if(h!==m||l!==d||u!==p||c!==f){let e=1-o,n=l*d+u*p+c*f+h*m,r=n>=0?1:-1,i=1-n*n;if(i>number.epsilon){let a=math.sqrt(i),s=math.atan2(a,n*r);e=math.sin(e*s)/a,o=math.sin(o*s)/a}let a=o*r;if(l=l*e+d*a,u=u*e+p*a,c=c*e+f*a,h=h*e+m*a,e===1-o){let e=1/math.sqrt(l*l+u*u+c*c+h*h);l*=e,u*=e,c*=e,h*=e}}e[n]=l,e[n+1]=u,e[n+2]=c,e[n+3]=h}static multiplyquaternionsflat(e,n,r,i,a,s){let o=r[i],l=r[i+1],u=r[i+2],c=r[i+3],h=a[s],d=a[s+1],p=a[s+2],f=a[s+3];return e[n]=o*f+c*h+l*p-u*d,e[n+1]=l*f+c*d+u*h-o*p,e[n+2]=u*f+c*p+o*d-l*h,e[n+3]=c*f-o*h-l*d-u*p,e}get x(){return this._x}set x(e){this._x=e,this._onchangecallback()}get y(){return this._y}set y(e){this._y=e,this._onchangecallback()}get z(){return this._z}set z(e){this._z=e,this._onchangecallback()}get w(){return this._w}set w(e){this._w=e,this._onchangecallback()}set(e,n,r,i){return this._x=e,this._y=n,this._z=r,this._w=i,this._onchangecallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onchangecallback(),this}setfromeuler(e,n){let r=e._x,i=e._y,a=e._z,s=e._order,o=math.cos,l=math.sin,u=o(r/2),c=o(i/2),h=o(a/2),d=l(r/2),p=l(i/2),f=l(a/2);switch(s){case"xyz":this._x=d*c*h+u*p*f,this._y=u*p*h-d*c*f,this._z=u*c*f+d*p*h,this._w=u*c*h-d*p*f;break;case"yxz":this._x=d*c*h+u*p*f,this._y=u*p*h-d*c*f,this._z=u*c*f-d*p*h,this._w=u*c*h+d*p*f;break;case"zxy":this._x=d*c*h-u*p*f,this._y=u*p*h+d*c*f,this._z=u*c*f+d*p*h,this._w=u*c*h-d*p*f;break;case"zyx":this._x=d*c*h-u*p*f,this._y=u*p*h+d*c*f,this._z=u*c*f-d*p*h,this._w=u*c*h+d*p*f;break;case"yzx":this._x=d*c*h+u*p*f,this._y=u*p*h+d*c*f,this._z=u*c*f-d*p*h,this._w=u*c*h-d*p*f;break;case"xzy":this._x=d*c*h-u*p*f,this._y=u*p*h-d*c*f,this._z=u*c*f+d*p*h,this._w=u*c*h+d*p*f;break;default:console.warn("three.quaternion: .setfromeuler() encountered an unknown order: "+s)}return!1!==n&&this._onchangecallback(),this}setfromaxisangle(e,n){let r=n/2,i=math.sin(r);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=math.cos(r),this._onchangecallback(),this}setfromrotationmatrix(e){let n=e.elements,r=n[0],i=n[4],a=n[8],s=n[1],o=n[5],l=n[9],u=n[2],c=n[6],h=n[10],d=r+o+h;if(d>0){let e=.5/math.sqrt(d+1);this._w=.25/e,this._x=(c-l)*e,this._y=(a-u)*e,this._z=(s-i)*e}else if(r>o&&r>h){let e=2*math.sqrt(1+r-o-h);this._w=(c-l)/e,this._x=.25*e,this._y=(i+s)/e,this._z=(a+u)/e}else if(o>h){let e=2*math.sqrt(1+o-r-h);this._w=(a-u)/e,this._x=(i+s)/e,this._y=.25*e,this._z=(l+c)/e}else{let e=2*math.sqrt(1+h-r-o);this._w=(s-i)/e,this._x=(a+u)/e,this._y=(l+c)/e,this._z=.25*e}return this._onchangecallback(),this}setfromunitvectors(e,n){let r=e.dot(n)+1;return r<number.epsilon?(r=0,math.abs(e.x)>math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=r):(this._x=0,this._y=-e.z,this._z=e.y,this._w=r)):(this._x=e.y*n.z-e.z*n.y,this._y=e.z*n.x-e.x*n.z,this._z=e.x*n.y-e.y*n.x,this._w=r),this.normalize()}angleto(e){return 2*math.acos(math.abs(nu(this.dot(e),-1,1)))}rotatetowards(e,n){let r=this.angleto(e);return 0===r||this.slerp(e,math.min(1,n/r)),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onchangecallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthsq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onchangecallback(),this}multiply(e){return this.multiplyquaternions(this,e)}premultiply(e){return this.multiplyquaternions(e,this)}multiplyquaternions(e,n){let r=e._x,i=e._y,a=e._z,s=e._w,o=n._x,l=n._y,u=n._z,c=n._w;return this._x=r*c+s*o+i*u-a*l,this._y=i*c+s*l+a*o-r*u,this._z=a*c+s*u+r*l-i*o,this._w=s*c-r*o-i*l-a*u,this._onchangecallback(),this}slerp(e,n){if(0===n)return this;if(1===n)return this.copy(e);let r=this._x,i=this._y,a=this._z,s=this._w,o=s*e._w+r*e._x+i*e._y+a*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=s,this._x=r,this._y=i,this._z=a,this;let l=1-o*o;if(l<=number.epsilon){let e=1-n;return this._w=e*s+n*this._w,this._x=e*r+n*this._x,this._y=e*i+n*this._y,this._z=e*a+n*this._z,this.normalize(),this._onchangecallback(),this}let u=math.sqrt(l),c=math.atan2(u,o),h=math.sin((1-n)*c)/u,d=math.sin(n*c)/u;return this._w=s*h+this._w*d,this._x=r*h+this._x*d,this._y=i*h+this._y*d,this._z=a*h+this._z*d,this._onchangecallback(),this}slerpquaternions(e,n,r){return this.copy(e).slerp(n,r)}random(){let e=math.random(),n=math.sqrt(1-e),r=math.sqrt(e),i=2*math.pi*math.random(),a=2*math.pi*math.random();return this.set(n*math.cos(i),r*math.sin(a),r*math.cos(a),n*math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromarray(e,n=0){return this._x=e[n],this._y=e[n+1],this._z=e[n+2],this._w=e[n+3],this._onchangecallback(),this}toarray(e=[],n=0){return e[n]=this._x,e[n+1]=this._y,e[n+2]=this._z,e[n+3]=this._w,e}frombufferattribute(e,n){return this._x=e.getx(n),this._y=e.gety(n),this._z=e.getz(n),this._w=e.getw(n),this}_onchange(e){return this._onchangecallback=e,this}_onchangecallback(){}*[symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class ny{constructor(e=0,n=0,r=0){ny.prototype.isvector3=!0,this.x=e,this.y=n,this.z=r}set(e,n,r){return void 0===r&&(r=this.z),this.x=e,this.y=n,this.z=r,this}setscalar(e){return this.x=e,this.y=e,this.z=e,this}setx(e){return this.x=e,this}sety(e){return this.y=e,this}setz(e){return this.z=e,this}setcomponent(e,n){switch(e){case 0:this.x=n;break;case 1:this.y=n;break;case 2:this.z=n;break;default:throw error("index is out of range: "+e)}return this}getcomponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addscalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addvectors(e,n){return this.x=e.x+n.x,this.y=e.y+n.y,this.z=e.z+n.z,this}addscaledvector(e,n){return this.x+=e.x*n,this.y+=e.y*n,this.z+=e.z*n,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subscalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subvectors(e,n){return this.x=e.x-n.x,this.y=e.y-n.y,this.z=e.z-n.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyscalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyvectors(e,n){return this.x=e.x*n.x,this.y=e.y*n.y,this.z=e.z*n.z,this}applyeuler(e){return this.applyquaternion(nq.setfromeuler(e))}applyaxisangle(e,n){return this.applyquaternion(nq.setfromaxisangle(e,n))}applymatrix3(e){let n=this.x,r=this.y,i=this.z,a=e.elements;return this.x=a[0]*n+a[3]*r+a[6]*i,this.y=a[1]*n+a[4]*r+a[7]*i,this.z=a[2]*n+a[5]*r+a[8]*i,this}applynormalmatrix(e){return this.applymatrix3(e).normalize()}applymatrix4(e){let n=this.x,r=this.y,i=this.z,a=e.elements,s=1/(a[3]*n+a[7]*r+a[11]*i+a[15]);return this.x=(a[0]*n+a[4]*r+a[8]*i+a[12])*s,this.y=(a[1]*n+a[5]*r+a[9]*i+a[13])*s,this.z=(a[2]*n+a[6]*r+a[10]*i+a[14])*s,this}applyquaternion(e){let n=this.x,r=this.y,i=this.z,a=e.x,s=e.y,o=e.z,l=e.w,u=l*n+s*i-o*r,c=l*r+o*n-a*i,h=l*i+a*r-s*n,d=-a*n-s*r-o*i;return this.x=u*l+-(d*a)+-(c*o)- -(h*s),this.y=c*l+-(d*s)+-(h*a)- -(u*o),this.z=h*l+-(d*o)+-(u*s)- -(c*a),this}project(e){return this.applymatrix4(e.matrixworldinverse).applymatrix4(e.projectionmatrix)}unproject(e){return this.applymatrix4(e.projectionmatrixinverse).applymatrix4(e.matrixworld)}transformdirection(e){let n=this.x,r=this.y,i=this.z,a=e.elements;return this.x=a[0]*n+a[4]*r+a[8]*i,this.y=a[1]*n+a[5]*r+a[9]*i,this.z=a[2]*n+a[6]*r+a[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}dividescalar(e){return this.multiplyscalar(1/e)}min(e){return this.x=math.min(this.x,e.x),this.y=math.min(this.y,e.y),this.z=math.min(this.z,e.z),this}max(e){return this.x=math.max(this.x,e.x),this.y=math.max(this.y,e.y),this.z=math.max(this.z,e.z),this}clamp(e,n){return this.x=math.max(e.x,math.min(n.x,this.x)),this.y=math.max(e.y,math.min(n.y,this.y)),this.z=math.max(e.z,math.min(n.z,this.z)),this}clampscalar(e,n){return this.x=math.max(e,math.min(n,this.x)),this.y=math.max(e,math.min(n,this.y)),this.z=math.max(e,math.min(n,this.z)),this}clamplength(e,n){let r=this.length();return this.dividescalar(r||1).multiplyscalar(math.max(e,math.min(n,r)))}floor(){return this.x=math.floor(this.x),this.y=math.floor(this.y),this.z=math.floor(this.z),this}ceil(){return this.x=math.ceil(this.x),this.y=math.ceil(this.y),this.z=math.ceil(this.z),this}round(){return this.x=math.round(this.x),this.y=math.round(this.y),this.z=math.round(this.z),this}roundtozero(){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(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthsq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanlength(){return math.abs(this.x)+math.abs(this.y)+math.abs(this.z)}normalize(){return this.dividescalar(this.length()||1)}setlength(e){return this.normalize().multiplyscalar(e)}lerp(e,n){return this.x+=(e.x-this.x)*n,this.y+=(e.y-this.y)*n,this.z+=(e.z-this.z)*n,this}lerpvectors(e,n,r){return this.x=e.x+(n.x-e.x)*r,this.y=e.y+(n.y-e.y)*r,this.z=e.z+(n.z-e.z)*r,this}cross(e){return this.crossvectors(this,e)}crossvectors(e,n){let r=e.x,i=e.y,a=e.z,s=n.x,o=n.y,l=n.z;return this.x=i*l-a*o,this.y=a*s-r*l,this.z=r*o-i*s,this}projectonvector(e){let n=e.lengthsq();if(0===n)return this.set(0,0,0);let r=e.dot(this)/n;return this.copy(e).multiplyscalar(r)}projectonplane(e){return nq.copy(this).projectonvector(e),this.sub(nq)}reflect(e){return this.sub(nq.copy(e).multiplyscalar(2*this.dot(e)))}angleto(e){let n=math.sqrt(this.lengthsq()*e.lengthsq());if(0===n)return math.pi/2;let r=this.dot(e)/n;return math.acos(nu(r,-1,1))}distanceto(e){return math.sqrt(this.distancetosquared(e))}distancetosquared(e){let n=this.x-e.x,r=this.y-e.y,i=this.z-e.z;return n*n+r*r+i*i}manhattandistanceto(e){return math.abs(this.x-e.x)+math.abs(this.y-e.y)+math.abs(this.z-e.z)}setfromspherical(e){return this.setfromsphericalcoords(e.radius,e.phi,e.theta)}setfromsphericalcoords(e,n,r){let i=math.sin(n)*e;return this.x=i*math.sin(r),this.y=math.cos(n)*e,this.z=i*math.cos(r),this}setfromcylindrical(e){return this.setfromcylindricalcoords(e.radius,e.theta,e.y)}setfromcylindricalcoords(e,n,r){return this.x=e*math.sin(n),this.y=r,this.z=e*math.cos(n),this}setfrommatrixposition(e){let n=e.elements;return this.x=n[12],this.y=n[13],this.z=n[14],this}setfrommatrixscale(e){let n=this.setfrommatrixcolumn(e,0).length(),r=this.setfrommatrixcolumn(e,1).length(),i=this.setfrommatrixcolumn(e,2).length();return this.x=n,this.y=r,this.z=i,this}setfrommatrixcolumn(e,n){return this.fromarray(e.elements,4*n)}setfrommatrix3column(e,n){return this.fromarray(e.elements,3*n)}setfromeuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromarray(e,n=0){return this.x=e[n],this.y=e[n+1],this.z=e[n+2],this}toarray(e=[],n=0){return e[n]=this.x,e[n+1]=this.y,e[n+2]=this.z,e}frombufferattribute(e,n){return this.x=e.getx(n),this.y=e.gety(n),this.z=e.getz(n),this}random(){return this.x=math.random(),this.y=math.random(),this.z=math.random(),this}randomdirection(){let e=(math.random()-.5)*2,n=math.random()*math.pi*2,r=math.sqrt(1-e**2);return this.x=r*math.cos(n),this.y=r*math.sin(n),this.z=e,this}*[symbol.iterator](){yield this.x,yield this.y,yield this.z}}let nq=new ny,nq=new nk;class nz{constructor(e=new ny(infinity,infinity,infinity),n=new ny(-1/0,-1/0,-1/0)){this.isbox3=!0,this.min=e,this.max=n}set(e,n){return this.min.copy(e),this.max.copy(n),this}setfromarray(e){let n=infinity,r=infinity,i=infinity,a=-1/0,s=-1/0,o=-1/0;for(let l=0,u=e.length;l<u;l+=3){let u=e[l],c=e[l+1],h=e[l+2];u<n&&(n=u),c<r&&(r=c),h<i&&(i=h),u>a&&(a=u),c>s&&(s=c),h>o&&(o=h)}return this.min.set(n,r,i),this.max.set(a,s,o),this}setfrombufferattribute(e){let n=infinity,r=infinity,i=infinity,a=-1/0,s=-1/0,o=-1/0;for(let l=0,u=e.count;l<u;l++){let u=e.getx(l),c=e.gety(l),h=e.getz(l);u<n&&(n=u),c<r&&(r=c),h<i&&(i=h),u>a&&(a=u),c>s&&(s=c),h>o&&(o=h)}return this.min.set(n,r,i),this.max.set(a,s,o),this}setfrompoints(e){this.makeempty();for(let n=0,r=e.length;n<r;n++)this.expandbypoint(e[n]);return this}setfromcenterandsize(e,n){let r=n0.copy(n).multiplyscalar(.5);return this.min.copy(e).sub(r),this.max.copy(e).add(r),this}setfromobject(e,n=!1){return this.makeempty(),this.expandbyobject(e,n)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeempty(){return this.min.x=this.min.y=this.min.z=infinity,this.max.x=this.max.y=this.max.z=-1/0,this}isempty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getcenter(e){return this.isempty()?e.set(0,0,0):e.addvectors(this.min,this.max).multiplyscalar(.5)}getsize(e){return this.isempty()?e.set(0,0,0):e.subvectors(this.max,this.min)}expandbypoint(e){return this.min.min(e),this.max.max(e),this}expandbyvector(e){return this.min.sub(e),this.max.add(e),this}expandbyscalar(e){return this.min.addscalar(-e),this.max.addscalar(e),this}expandbyobject(e,n=!1){e.updateworldmatrix(!1,!1);let r=e.geometry;if(void 0!==r){if(n&&void 0!=r.attributes&&void 0!==r.attributes.position){let n=r.attributes.position;for(let r=0,i=n.count;r<i;r++)n0.frombufferattribute(n,r).applymatrix4(e.matrixworld),this.expandbypoint(n0)}else null===r.boundingbox&&r.computeboundingbox(),n1.copy(r.boundingbox),n1.applymatrix4(e.matrixworld),this.union(n1)}let i=e.children;for(let e=0,r=i.length;e<r;e++)this.expandbyobject(i[e],n);return this}containspoint(e){return!(e.x<this.min.x)&&!(e.x>this.max.x)&&!(e.y<this.min.y)&&!(e.y>this.max.y)&&!(e.z<this.min.z)&&!(e.z>this.max.z)}containsbox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getparameter(e,n){return n.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsbox(e){return!(e.max.x<this.min.x)&&!(e.min.x>this.max.x)&&!(e.max.y<this.min.y)&&!(e.min.y>this.max.y)&&!(e.max.z<this.min.z)&&!(e.min.z>this.max.z)}intersectssphere(e){return this.clamppoint(e.center,n0),n0.distancetosquared(e.center)<=e.radius*e.radius}intersectsplane(e){let n,r;return e.normal.x>0?(n=e.normal.x*this.min.x,r=e.normal.x*this.max.x):(n=e.normal.x*this.max.x,r=e.normal.x*this.min.x),e.normal.y>0?(n+=e.normal.y*this.min.y,r+=e.normal.y*this.max.y):(n+=e.normal.y*this.max.y,r+=e.normal.y*this.min.y),e.normal.z>0?(n+=e.normal.z*this.min.z,r+=e.normal.z*this.max.z):(n+=e.normal.z*this.max.z,r+=e.normal.z*this.min.z),n<=-e.constant&&r>=-e.constant}intersectstriangle(e){if(this.isempty())return!1;this.getcenter(n8),n7.subvectors(this.max,n8),n2.subvectors(e.a,n8),n3.subvectors(e.b,n8),n4.subvectors(e.c,n8),n6.subvectors(n3,n2),n5.subvectors(n4,n3),n9.subvectors(n2,n4);let n=[0,-n6.z,n6.y,0,-n5.z,n5.y,0,-n9.z,n9.y,n6.z,0,-n6.x,n5.z,0,-n5.x,n9.z,0,-n9.x,-n6.y,n6.x,0,-n5.y,n5.x,0,-n9.y,n9.x,0];return!!(rn(n,n2,n3,n4,n7)&&rn(n=[1,0,0,0,1,0,0,0,1],n2,n3,n4,n7))&&(re.crossvectors(n6,n5),rn(n=[re.x,re.y,re.z],n2,n3,n4,n7))}clamppoint(e,n){return n.copy(e).clamp(this.min,this.max)}distancetopoint(e){let n=n0.copy(e).clamp(this.min,this.max);return n.sub(e).length()}getboundingsphere(e){return this.getcenter(e.center),e.radius=.5*this.getsize(n0).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isempty()&&this.makeempty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applymatrix4(e){return this.isempty()||(n$[0].set(this.min.x,this.min.y,this.min.z).applymatrix4(e),n$[1].set(this.min.x,this.min.y,this.max.z).applymatrix4(e),n$[2].set(this.min.x,this.max.y,this.min.z).applymatrix4(e),n$[3].set(this.min.x,this.max.y,this.max.z).applymatrix4(e),n$[4].set(this.max.x,this.min.y,this.min.z).applymatrix4(e),n$[5].set(this.max.x,this.min.y,this.max.z).applymatrix4(e),n$[6].set(this.max.x,this.max.y,this.min.z).applymatrix4(e),n$[7].set(this.max.x,this.max.y,this.max.z).applymatrix4(e),this.setfrompoints(n$)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}let n$=[new ny,new ny,new ny,new ny,new ny,new ny,new ny,new ny],n0=new ny,n1=new nz,n2=new ny,n3=new ny,n4=new ny,n6=new ny,n5=new ny,n9=new ny,n8=new ny,n7=new ny,re=new ny,rt=new ny;function rn(e,n,r,i,a){for(let s=0,o=e.length-3;s<=o;s+=3){rt.fromarray(e,s);let o=a.x*math.abs(rt.x)+a.y*math.abs(rt.y)+a.z*math.abs(rt.z),l=n.dot(rt),u=r.dot(rt),c=i.dot(rt);if(math.max(-math.max(l,u,c),math.min(l,u,c))>o)return!1}return!0}let rr=new nz,ri=new ny,ra=new ny;class rs{constructor(e=new ny,n=-1){this.center=e,this.radius=n}set(e,n){return this.center.copy(e),this.radius=n,this}setfrompoints(e,n){let r=this.center;void 0!==n?r.copy(n):rr.setfrompoints(e).getcenter(r);let i=0;for(let n=0,a=e.length;n<a;n++)i=math.max(i,r.distancetosquared(e[n]));return this.radius=math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isempty(){return this.radius<0}makeempty(){return this.center.set(0,0,0),this.radius=-1,this}containspoint(e){return e.distancetosquared(this.center)<=this.radius*this.radius}distancetopoint(e){return e.distanceto(this.center)-this.radius}intersectssphere(e){let n=this.radius+e.radius;return e.center.distancetosquared(this.center)<=n*n}intersectsbox(e){return e.intersectssphere(this)}intersectsplane(e){return math.abs(e.distancetopoint(this.center))<=this.radius}clamppoint(e,n){let r=this.center.distancetosquared(e);return n.copy(e),r>this.radius*this.radius&&(n.sub(this.center).normalize(),n.multiplyscalar(this.radius).add(this.center)),n}getboundingbox(e){return this.isempty()?(e.makeempty(),e):(e.set(this.center,this.center),e.expandbyscalar(this.radius),e)}applymatrix4(e){return this.center.applymatrix4(e),this.radius=this.radius*e.getmaxscaleonaxis(),this}translate(e){return this.center.add(e),this}expandbypoint(e){if(this.isempty())return this.center.copy(e),this.radius=0,this;ri.subvectors(e,this.center);let n=ri.lengthsq();if(n>this.radius*this.radius){let e=math.sqrt(n),r=(e-this.radius)*.5;this.center.addscaledvector(ri,r/e),this.radius+=r}return this}union(e){return e.isempty()?this:this.isempty()?(this.copy(e),this):(!0===this.center.equals(e.center)?this.radius=math.max(this.radius,e.radius):(ra.subvectors(e.center,this.center).setlength(e.radius),this.expandbypoint(ri.copy(e.center).add(ra)),this.expandbypoint(ri.copy(e.center).sub(ra))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}let ro=new ny,rl=new ny,ru=new ny,rc=new ny,rh=new ny,rd=new ny,rp=new ny;class rf{constructor(e=new ny,n=new ny(0,0,-1)){this.origin=e,this.direction=n}set(e,n){return this.origin.copy(e),this.direction.copy(n),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,n){return n.copy(this.direction).multiplyscalar(e).add(this.origin)}lookat(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,ro)),this}closestpointtopoint(e,n){n.subvectors(e,this.origin);let r=n.dot(this.direction);return r<0?n.copy(this.origin):n.copy(this.direction).multiplyscalar(r).add(this.origin)}distancetopoint(e){return math.sqrt(this.distancesqtopoint(e))}distancesqtopoint(e){let n=ro.subvectors(e,this.origin).dot(this.direction);return n<0?this.origin.distancetosquared(e):(ro.copy(this.direction).multiplyscalar(n).add(this.origin),ro.distancetosquared(e))}distancesqtosegment(e,n,r,i){let a,s,o,l;rl.copy(e).add(n).multiplyscalar(.5),ru.copy(n).sub(e).normalize(),rc.copy(this.origin).sub(rl);let u=.5*e.distanceto(n),c=-this.direction.dot(ru),h=rc.dot(this.direction),d=-rc.dot(ru),p=rc.lengthsq(),f=math.abs(1-c*c);if(f>0){if(a=c*d-h,s=c*h-d,l=u*f,a>=0){if(s>=-l){if(s<=l){let e=1/f;a*=e,s*=e,o=a*(a+c*s+2*h)+s*(c*a+s+2*d)+p}else o=-(a=math.max(0,-(c*(s=u)+h)))*a+s*(s+2*d)+p}else o=-(a=math.max(0,-(c*(s=-u)+h)))*a+s*(s+2*d)+p}else s<=-l?(s=(a=math.max(0,-(-c*u+h)))>0?-u:math.min(math.max(-u,-d),u),o=-a*a+s*(s+2*d)+p):s<=l?(a=0,o=(s=math.min(math.max(-u,-d),u))*(s+2*d)+p):(s=(a=math.max(0,-(c*u+h)))>0?u:math.min(math.max(-u,-d),u),o=-a*a+s*(s+2*d)+p)}else s=c>0?-u:u,o=-(a=math.max(0,-(c*s+h)))*a+s*(s+2*d)+p;return r&&r.copy(this.direction).multiplyscalar(a).add(this.origin),i&&i.copy(ru).multiplyscalar(s).add(rl),o}intersectsphere(e,n){ro.subvectors(e.center,this.origin);let r=ro.dot(this.direction),i=ro.dot(ro)-r*r,a=e.radius*e.radius;if(i>a)return null;let s=math.sqrt(a-i),o=r-s,l=r+s;return o<0&&l<0?null:o<0?this.at(l,n):this.at(o,n)}intersectssphere(e){return this.distancesqtopoint(e.center)<=e.radius*e.radius}distancetoplane(e){let n=e.normal.dot(this.direction);if(0===n)return 0===e.distancetopoint(this.origin)?0:null;let r=-(this.origin.dot(e.normal)+e.constant)/n;return r>=0?r:null}intersectplane(e,n){let r=this.distancetoplane(e);return null===r?null:this.at(r,n)}intersectsplane(e){let n=e.distancetopoint(this.origin);if(0===n)return!0;let r=e.normal.dot(this.direction);return r*n<0}intersectbox(e,n){let r,i,a,s,o,l;let u=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,d=this.origin;return(u>=0?(r=(e.min.x-d.x)*u,i=(e.max.x-d.x)*u):(r=(e.max.x-d.x)*u,i=(e.min.x-d.x)*u),c>=0?(a=(e.min.y-d.y)*c,s=(e.max.y-d.y)*c):(a=(e.max.y-d.y)*c,s=(e.min.y-d.y)*c),r>s||a>i)?null:((a>r||isnan(r))&&(r=a),(s<i||isnan(i))&&(i=s),h>=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),r>l||o>i)?null:((o>r||r!=r)&&(r=o),(l<i||i!=i)&&(i=l),i<0)?null:this.at(r>=0?r:i,n)}intersectsbox(e){return null!==this.intersectbox(e,ro)}intersecttriangle(e,n,r,i,a){let s;rh.subvectors(n,e),rd.subvectors(r,e),rp.crossvectors(rh,rd);let o=this.direction.dot(rp);if(o>0){if(i)return null;s=1}else{if(!(o<0))return null;s=-1,o=-o}rc.subvectors(this.origin,e);let l=s*this.direction.dot(rd.crossvectors(rc,rd));if(l<0)return null;let u=s*this.direction.dot(rh.cross(rc));if(u<0||l+u>o)return null;let c=-s*rc.dot(rp);return c<0?null:this.at(c/o,a)}applymatrix4(e){return this.origin.applymatrix4(e),this.direction.transformdirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class rm{constructor(){rm.prototype.ismatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set(e,n,r,i,a,s,o,l,u,c,h,d,p,f,m,g){let v=this.elements;return v[0]=e,v[4]=n,v[8]=r,v[12]=i,v[1]=a,v[5]=s,v[9]=o,v[13]=l,v[2]=u,v[6]=c,v[10]=h,v[14]=d,v[3]=p,v[7]=f,v[11]=m,v[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new rm().fromarray(this.elements)}copy(e){let n=this.elements,r=e.elements;return n[0]=r[0],n[1]=r[1],n[2]=r[2],n[3]=r[3],n[4]=r[4],n[5]=r[5],n[6]=r[6],n[7]=r[7],n[8]=r[8],n[9]=r[9],n[10]=r[10],n[11]=r[11],n[12]=r[12],n[13]=r[13],n[14]=r[14],n[15]=r[15],this}copyposition(e){let n=this.elements,r=e.elements;return n[12]=r[12],n[13]=r[13],n[14]=r[14],this}setfrommatrix3(e){let n=e.elements;return this.set(n[0],n[3],n[6],0,n[1],n[4],n[7],0,n[2],n[5],n[8],0,0,0,0,1),this}extractbasis(e,n,r){return e.setfrommatrixcolumn(this,0),n.setfrommatrixcolumn(this,1),r.setfrommatrixcolumn(this,2),this}makebasis(e,n,r){return this.set(e.x,n.x,r.x,0,e.y,n.y,r.y,0,e.z,n.z,r.z,0,0,0,0,1),this}extractrotation(e){let n=this.elements,r=e.elements,i=1/rg.setfrommatrixcolumn(e,0).length(),a=1/rg.setfrommatrixcolumn(e,1).length(),s=1/rg.setfrommatrixcolumn(e,2).length();return n[0]=r[0]*i,n[1]=r[1]*i,n[2]=r[2]*i,n[3]=0,n[4]=r[4]*a,n[5]=r[5]*a,n[6]=r[6]*a,n[7]=0,n[8]=r[8]*s,n[9]=r[9]*s,n[10]=r[10]*s,n[11]=0,n[12]=0,n[13]=0,n[14]=0,n[15]=1,this}makerotationfromeuler(e){let n=this.elements,r=e.x,i=e.y,a=e.z,s=math.cos(r),o=math.sin(r),l=math.cos(i),u=math.sin(i),c=math.cos(a),h=math.sin(a);if("xyz"===e.order){let e=s*c,r=s*h,i=o*c,a=o*h;n[0]=l*c,n[4]=-l*h,n[8]=u,n[1]=r+i*u,n[5]=e-a*u,n[9]=-o*l,n[2]=a-e*u,n[6]=i+r*u,n[10]=s*l}else if("yxz"===e.order){let e=l*c,r=l*h,i=u*c,a=u*h;n[0]=e+a*o,n[4]=i*o-r,n[8]=s*u,n[1]=s*h,n[5]=s*c,n[9]=-o,n[2]=r*o-i,n[6]=a+e*o,n[10]=s*l}else if("zxy"===e.order){let e=l*c,r=l*h,i=u*c,a=u*h;n[0]=e-a*o,n[4]=-s*h,n[8]=i+r*o,n[1]=r+i*o,n[5]=s*c,n[9]=a-e*o,n[2]=-s*u,n[6]=o,n[10]=s*l}else if("zyx"===e.order){let e=s*c,r=s*h,i=o*c,a=o*h;n[0]=l*c,n[4]=i*u-r,n[8]=e*u+a,n[1]=l*h,n[5]=a*u+e,n[9]=r*u-i,n[2]=-u,n[6]=o*l,n[10]=s*l}else if("yzx"===e.order){let e=s*l,r=s*u,i=o*l,a=o*u;n[0]=l*c,n[4]=a-e*h,n[8]=i*h+r,n[1]=h,n[5]=s*c,n[9]=-o*c,n[2]=-u*c,n[6]=r*h+i,n[10]=e-a*h}else if("xzy"===e.order){let e=s*l,r=s*u,i=o*l,a=o*u;n[0]=l*c,n[4]=-h,n[8]=u*c,n[1]=e*h+a,n[5]=s*c,n[9]=r*h-i,n[2]=i*h-r,n[6]=o*c,n[10]=a*h+e}return n[3]=0,n[7]=0,n[11]=0,n[12]=0,n[13]=0,n[14]=0,n[15]=1,this}makerotationfromquaternion(e){return this.compose(ry,e,rx)}lookat(e,n,r){let i=this.elements;return rb.subvectors(e,n),0===rb.lengthsq()&&(rb.z=1),rb.normalize(),r_.crossvectors(r,rb),0===r_.lengthsq()&&(1===math.abs(r.z)?rb.x+=1e-4:rb.z+=1e-4,rb.normalize(),r_.crossvectors(r,rb)),r_.normalize(),ra.crossvectors(rb,r_),i[0]=r_.x,i[4]=ra.x,i[8]=rb.x,i[1]=r_.y,i[5]=ra.y,i[9]=rb.y,i[2]=r_.z,i[6]=ra.z,i[10]=rb.z,this}multiply(e){return this.multiplymatrices(this,e)}premultiply(e){return this.multiplymatrices(e,this)}multiplymatrices(e,n){let r=e.elements,i=n.elements,a=this.elements,s=r[0],o=r[4],l=r[8],u=r[12],c=r[1],h=r[5],d=r[9],p=r[13],f=r[2],m=r[6],g=r[10],v=r[14],y=r[3],x=r[7],_=r[11],a=r[15],b=i[0],m=i[4],s=i[8],w=i[12],c=i[1],e=i[5],t=i[9],b=i[13],p=i[2],r=i[6],l=i[10],i=i[14],d=i[3],f=i[7],o=i[11],n=i[15];return a[0]=s*b+o*c+l*p+u*d,a[4]=s*m+o*e+l*r+u*f,a[8]=s*s+o*t+l*l+u*o,a[12]=s*w+o*b+l*i+u*n,a[1]=c*b+h*c+d*p+p*d,a[5]=c*m+h*e+d*r+p*f,a[9]=c*s+h*t+d*l+p*o,a[13]=c*w+h*b+d*i+p*n,a[2]=f*b+m*c+g*p+v*d,a[6]=f*m+m*e+g*r+v*f,a[10]=f*s+m*t+g*l+v*o,a[14]=f*w+m*b+g*i+v*n,a[3]=y*b+x*c+_*p+a*d,a[7]=y*m+x*e+_*r+a*f,a[11]=y*s+x*t+_*l+a*o,a[15]=y*w+x*b+_*i+a*n,this}multiplyscalar(e){let n=this.elements;return n[0]*=e,n[4]*=e,n[8]*=e,n[12]*=e,n[1]*=e,n[5]*=e,n[9]*=e,n[13]*=e,n[2]*=e,n[6]*=e,n[10]*=e,n[14]*=e,n[3]*=e,n[7]*=e,n[11]*=e,n[15]*=e,this}determinant(){let e=this.elements,n=e[0],r=e[4],i=e[8],a=e[12],s=e[1],o=e[5],l=e[9],u=e[13],c=e[2],h=e[6],d=e[10],p=e[14],f=e[3],m=e[7],g=e[11],v=e[15];return f*(+a*l*h-i*u*h-a*o*d+r*u*d+i*o*p-r*l*p)+m*(+n*l*p-n*u*d+a*s*d-i*s*p+i*u*c-a*l*c)+g*(+n*u*h-n*o*p-a*s*h+r*s*p+a*o*c-r*u*c)+v*(-i*o*c-n*l*h+n*o*d+i*s*h-r*s*d+r*l*c)}transpose(){let e;let n=this.elements;return e=n[1],n[1]=n[4],n[4]=e,e=n[2],n[2]=n[8],n[8]=e,e=n[6],n[6]=n[9],n[9]=e,e=n[3],n[3]=n[12],n[12]=e,e=n[7],n[7]=n[13],n[13]=e,e=n[11],n[11]=n[14],n[14]=e,this}setposition(e,n,r){let i=this.elements;return e.isvector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=n,i[14]=r),this}invert(){let e=this.elements,n=e[0],r=e[1],i=e[2],a=e[3],s=e[4],o=e[5],l=e[6],u=e[7],c=e[8],h=e[9],d=e[10],p=e[11],f=e[12],m=e[13],g=e[14],v=e[15],y=h*g*u-m*d*u+m*l*p-o*g*p-h*l*v+o*d*v,x=f*d*u-c*g*u-f*l*p+s*g*p+c*l*v-s*d*v,_=c*m*u-f*h*u+f*o*p-s*m*p-c*o*v+s*h*v,a=f*h*l-c*m*l-f*o*d+s*m*d+c*o*g-s*h*g,b=n*y+r*x+i*_+a*a;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let m=1/b;return e[0]=y*m,e[1]=(m*d*a-h*g*a-m*i*p+r*g*p+h*i*v-r*d*v)*m,e[2]=(o*g*a-m*l*a+m*i*u-r*g*u-o*i*v+r*l*v)*m,e[3]=(h*l*a-o*d*a-h*i*u+r*d*u+o*i*p-r*l*p)*m,e[4]=x*m,e[5]=(c*g*a-f*d*a+f*i*p-n*g*p-c*i*v+n*d*v)*m,e[6]=(f*l*a-s*g*a-f*i*u+n*g*u+s*i*v-n*l*v)*m,e[7]=(s*d*a-c*l*a+c*i*u-n*d*u-s*i*p+n*l*p)*m,e[8]=_*m,e[9]=(f*h*a-c*m*a-f*r*p+n*m*p+c*r*v-n*h*v)*m,e[10]=(s*m*a-f*o*a+f*r*u-n*m*u-s*r*v+n*o*v)*m,e[11]=(c*o*a-s*h*a-c*r*u+n*h*u+s*r*p-n*o*p)*m,e[12]=a*m,e[13]=(c*m*i-f*h*i+f*r*d-n*m*d-c*r*g+n*h*g)*m,e[14]=(f*o*i-s*m*i-f*r*l+n*m*l+s*r*g-n*o*g)*m,e[15]=(s*h*i-c*o*i+c*r*l-n*h*l-s*r*d+n*o*d)*m,this}scale(e){let n=this.elements,r=e.x,i=e.y,a=e.z;return n[0]*=r,n[4]*=i,n[8]*=a,n[1]*=r,n[5]*=i,n[9]*=a,n[2]*=r,n[6]*=i,n[10]*=a,n[3]*=r,n[7]*=i,n[11]*=a,this}getmaxscaleonaxis(){let e=this.elements,n=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],r=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return math.sqrt(math.max(n,r,i))}maketranslation(e,n,r){return this.set(1,0,0,e,0,1,0,n,0,0,1,r,0,0,0,1),this}makerotationx(e){let n=math.cos(e),r=math.sin(e);return this.set(1,0,0,0,0,n,-r,0,0,r,n,0,0,0,0,1),this}makerotationy(e){let n=math.cos(e),r=math.sin(e);return this.set(n,0,r,0,0,1,0,0,-r,0,n,0,0,0,0,1),this}makerotationz(e){let n=math.cos(e),r=math.sin(e);return this.set(n,-r,0,0,r,n,0,0,0,0,1,0,0,0,0,1),this}makerotationaxis(e,n){let r=math.cos(n),i=math.sin(n),a=1-r,s=e.x,o=e.y,l=e.z,u=a*s,c=a*o;return this.set(u*s+r,u*o-i*l,u*l+i*o,0,u*o+i*l,c*o+r,c*l-i*s,0,u*l-i*o,c*l+i*s,a*l*l+r,0,0,0,0,1),this}makescale(e,n,r){return this.set(e,0,0,0,0,n,0,0,0,0,r,0,0,0,0,1),this}makeshear(e,n,r,i,a,s){return this.set(1,r,a,0,e,1,s,0,n,i,1,0,0,0,0,1),this}compose(e,n,r){let i=this.elements,a=n._x,s=n._y,o=n._z,l=n._w,u=a+a,c=s+s,h=o+o,d=a*u,p=a*c,f=a*h,m=s*c,g=s*h,v=o*h,y=l*u,x=l*c,_=l*h,a=r.x,b=r.y,m=r.z;return i[0]=(1-(m+v))*a,i[1]=(p+_)*a,i[2]=(f-x)*a,i[3]=0,i[4]=(p-_)*b,i[5]=(1-(d+v))*b,i[6]=(g+y)*b,i[7]=0,i[8]=(f+x)*m,i[9]=(g-y)*m,i[10]=(1-(d+m))*m,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,n,r){let i=this.elements,a=rg.set(i[0],i[1],i[2]).length(),s=rg.set(i[4],i[5],i[6]).length(),o=rg.set(i[8],i[9],i[10]).length(),l=this.determinant();l<0&&(a=-a),e.x=i[12],e.y=i[13],e.z=i[14],rv.copy(this);let u=1/a,c=1/s,h=1/o;return rv.elements[0]*=u,rv.elements[1]*=u,rv.elements[2]*=u,rv.elements[4]*=c,rv.elements[5]*=c,rv.elements[6]*=c,rv.elements[8]*=h,rv.elements[9]*=h,rv.elements[10]*=h,n.setfromrotationmatrix(rv),r.x=a,r.y=s,r.z=o,this}makeperspective(e,n,r,i,a,s){let o=this.elements;return o[0]=2*a/(n-e),o[4]=0,o[8]=(n+e)/(n-e),o[12]=0,o[1]=0,o[5]=2*a/(r-i),o[9]=(r+i)/(r-i),o[13]=0,o[2]=0,o[6]=0,o[10]=-(s+a)/(s-a),o[14]=-2*s*a/(s-a),o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeorthographic(e,n,r,i,a,s){let o=this.elements,l=1/(n-e),u=1/(r-i),c=1/(s-a);return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-((n+e)*l),o[1]=0,o[5]=2*u,o[9]=0,o[13]=-((r+i)*u),o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-((s+a)*c),o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let n=this.elements,r=e.elements;for(let e=0;e<16;e++)if(n[e]!==r[e])return!1;return!0}fromarray(e,n=0){for(let r=0;r<16;r++)this.elements[r]=e[r+n];return this}toarray(e=[],n=0){let r=this.elements;return e[n]=r[0],e[n+1]=r[1],e[n+2]=r[2],e[n+3]=r[3],e[n+4]=r[4],e[n+5]=r[5],e[n+6]=r[6],e[n+7]=r[7],e[n+8]=r[8],e[n+9]=r[9],e[n+10]=r[10],e[n+11]=r[11],e[n+12]=r[12],e[n+13]=r[13],e[n+14]=r[14],e[n+15]=r[15],e}}let rg=new ny,rv=new rm,ry=new ny(0,0,0),rx=new ny(1,1,1),r_=new ny,ra=new ny,rb=new ny,rm=new rm,rs=new nk;class rw{constructor(e=0,n=0,r=0,i=rw.default_order){this.iseuler=!0,this._x=e,this._y=n,this._z=r,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onchangecallback()}get y(){return this._y}set y(e){this._y=e,this._onchangecallback()}get z(){return this._z}set z(e){this._z=e,this._onchangecallback()}get order(){return this._order}set order(e){this._order=e,this._onchangecallback()}set(e,n,r,i=this._order){return this._x=e,this._y=n,this._z=r,this._order=i,this._onchangecallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onchangecallback(),this}setfromrotationmatrix(e,n=this._order,r=!0){let i=e.elements,a=i[0],s=i[4],o=i[8],l=i[1],u=i[5],c=i[9],h=i[2],d=i[6],p=i[10];switch(n){case"xyz":this._y=math.asin(nu(o,-1,1)),.9999999>math.abs(o)?(this._x=math.atan2(-c,p),this._z=math.atan2(-s,a)):(this._x=math.atan2(d,u),this._z=0);break;case"yxz":this._x=math.asin(-nu(c,-1,1)),.9999999>math.abs(c)?(this._y=math.atan2(o,p),this._z=math.atan2(l,u)):(this._y=math.atan2(-h,a),this._z=0);break;case"zxy":this._x=math.asin(nu(d,-1,1)),.9999999>math.abs(d)?(this._y=math.atan2(-h,p),this._z=math.atan2(-s,u)):(this._y=0,this._z=math.atan2(l,a));break;case"zyx":this._y=math.asin(-nu(h,-1,1)),.9999999>math.abs(h)?(this._x=math.atan2(d,p),this._z=math.atan2(l,a)):(this._x=0,this._z=math.atan2(-s,u));break;case"yzx":this._z=math.asin(nu(l,-1,1)),.9999999>math.abs(l)?(this._x=math.atan2(-c,u),this._y=math.atan2(-h,a)):(this._x=0,this._y=math.atan2(o,p));break;case"xzy":this._z=math.asin(-nu(s,-1,1)),.9999999>math.abs(s)?(this._x=math.atan2(d,u),this._y=math.atan2(o,a)):(this._x=math.atan2(-c,p),this._y=0);break;default:console.warn("three.euler: .setfromrotationmatrix() encountered an unknown order: "+n)}return this._order=n,!0===r&&this._onchangecallback(),this}setfromquaternion(e,n,r){return rm.makerotationfromquaternion(e),this.setfromrotationmatrix(rm,n,r)}setfromvector3(e,n=this._order){return this.set(e.x,e.y,e.z,n)}reorder(e){return rs.setfromeuler(this),this.setfromquaternion(rs,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromarray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onchangecallback(),this}toarray(e=[],n=0){return e[n]=this._x,e[n+1]=this._y,e[n+2]=this._z,e[n+3]=this._order,e}_onchange(e){return this._onchangecallback=e,this}_onchangecallback(){}*[symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}rw.default_order="xyz";class rc{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableall(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableall(){this.mask=0}test(e){return(this.mask&e.mask)!=0}isenabled(e){return(this.mask&(1<<e|0))!=0}}let re=0,rt=new ny,rb=new nk,rp=new rm,rr=new ny,rl=new ny,ri=new ny,rd=new nk,rf=new ny(1,0,0),ro=new ny(0,1,0),rn=new ny(0,0,1),rk={type:"added"},rh={type:"removed"};class rg extends nr{constructor(){super(),this.isobject3d=!0,object.defineproperty(this,"id",{value:re++}),this.uuid=nl(),this.name="",this.type="object3d",this.parent=null,this.children=[],this.up=rg.default_up.clone();let e=new ny,n=new rw,r=new nk,i=new ny(1,1,1);n._onchange(function(){r.setfromeuler(n,!1)}),r._onchange(function(){n.setfromquaternion(r,void 0,!1)}),object.defineproperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:n},quaternion:{configurable:!0,enumerable:!0,value:r},scale:{configurable:!0,enumerable:!0,value:i},modelviewmatrix:{value:new rm},normalmatrix:{value:new nx}}),this.matrix=new rm,this.matrixworld=new rm,this.matrixautoupdate=rg.default_matrix_auto_update,this.matrixworldneedsupdate=!1,this.matrixworldautoupdate=rg.default_matrix_world_auto_update,this.layers=new rc,this.visible=!0,this.castshadow=!1,this.receiveshadow=!1,this.frustumculled=!0,this.renderorder=0,this.animations=[],this.userdata={}}onbeforerender(){}onafterrender(){}applymatrix4(e){this.matrixautoupdate&&this.updatematrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyquaternion(e){return this.quaternion.premultiply(e),this}setrotationfromaxisangle(e,n){this.quaternion.setfromaxisangle(e,n)}setrotationfromeuler(e){this.quaternion.setfromeuler(e,!0)}setrotationfrommatrix(e){this.quaternion.setfromrotationmatrix(e)}setrotationfromquaternion(e){this.quaternion.copy(e)}rotateonaxis(e,n){return rb.setfromaxisangle(e,n),this.quaternion.multiply(rb),this}rotateonworldaxis(e,n){return rb.setfromaxisangle(e,n),this.quaternion.premultiply(rb),this}rotatex(e){return this.rotateonaxis(rf,e)}rotatey(e){return this.rotateonaxis(ro,e)}rotatez(e){return this.rotateonaxis(rn,e)}translateonaxis(e,n){return rt.copy(e).applyquaternion(this.quaternion),this.position.add(rt.multiplyscalar(n)),this}translatex(e){return this.translateonaxis(rf,e)}translatey(e){return this.translateonaxis(ro,e)}translatez(e){return this.translateonaxis(rn,e)}localtoworld(e){return this.updateworldmatrix(!0,!1),e.applymatrix4(this.matrixworld)}worldtolocal(e){return this.updateworldmatrix(!0,!1),e.applymatrix4(rp.copy(this.matrixworld).invert())}lookat(e,n,r){e.isvector3?rr.copy(e):rr.set(e,n,r);let i=this.parent;this.updateworldmatrix(!0,!1),rl.setfrommatrixposition(this.matrixworld),this.iscamera||this.islight?rp.lookat(rl,rr,this.up):rp.lookat(rr,rl,this.up),this.quaternion.setfromrotationmatrix(rp),i&&(rp.extractrotation(i.matrixworld),rb.setfromrotationmatrix(rp),this.quaternion.premultiply(rb.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("three.object3d.add: object can't be added as a child of itself.",e),this):(e&&e.isobject3d?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchevent(rk)):console.error("three.object3d.add: object not an instance of three.object3d.",e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}let n=this.children.indexof(e);return -1!==n&&(e.parent=null,this.children.splice(n,1),e.dispatchevent(rh)),this}removefromparent(){let e=this.parent;return null!==e&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){let n=this.children[e];n.parent=null,n.dispatchevent(rh)}return this.children.length=0,this}attach(e){return this.updateworldmatrix(!0,!1),rp.copy(this.matrixworld).invert(),null!==e.parent&&(e.parent.updateworldmatrix(!0,!1),rp.multiply(e.parent.matrixworld)),e.applymatrix4(rp),this.add(e),e.updateworldmatrix(!1,!0),this}getobjectbyid(e){return this.getobjectbyproperty("id",e)}getobjectbyname(e){return this.getobjectbyproperty("name",e)}getobjectbyproperty(e,n){if(this[e]===n)return this;for(let r=0,i=this.children.length;r<i;r++){let i=this.children[r],a=i.getobjectbyproperty(e,n);if(void 0!==a)return a}}getobjectsbyproperty(e,n){let r=[];this[e]===n&&r.push(this);for(let i=0,a=this.children.length;i<a;i++){let a=this.children[i].getobjectsbyproperty(e,n);a.length>0&&(r=r.concat(a))}return r}getworldposition(e){return this.updateworldmatrix(!0,!1),e.setfrommatrixposition(this.matrixworld)}getworldquaternion(e){return this.updateworldmatrix(!0,!1),this.matrixworld.decompose(rl,e,ri),e}getworldscale(e){return this.updateworldmatrix(!0,!1),this.matrixworld.decompose(rl,rd,e),e}getworlddirection(e){this.updateworldmatrix(!0,!1);let n=this.matrixworld.elements;return e.set(n[8],n[9],n[10]).normalize()}raycast(){}traverse(e){e(this);let n=this.children;for(let r=0,i=n.length;r<i;r++)n[r].traverse(e)}traversevisible(e){if(!1===this.visible)return;e(this);let n=this.children;for(let r=0,i=n.length;r<i;r++)n[r].traversevisible(e)}traverseancestors(e){let n=this.parent;null!==n&&(e(n),n.traverseancestors(e))}updatematrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixworldneedsupdate=!0}updatematrixworld(e){this.matrixautoupdate&&this.updatematrix(),(this.matrixworldneedsupdate||e)&&(null===this.parent?this.matrixworld.copy(this.matrix):this.matrixworld.multiplymatrices(this.parent.matrixworld,this.matrix),this.matrixworldneedsupdate=!1,e=!0);let n=this.children;for(let r=0,i=n.length;r<i;r++){let i=n[r];(!0===i.matrixworldautoupdate||!0===e)&&i.updatematrixworld(e)}}updateworldmatrix(e,n){let r=this.parent;if(!0===e&&null!==r&&!0===r.matrixworldautoupdate&&r.updateworldmatrix(!0,!1),this.matrixautoupdate&&this.updatematrix(),null===this.parent?this.matrixworld.copy(this.matrix):this.matrixworld.multiplymatrices(this.parent.matrixworld,this.matrix),!0===n){let e=this.children;for(let n=0,r=e.length;n<r;n++){let r=e[n];!0===r.matrixworldautoupdate&&r.updateworldmatrix(!1,!0)}}}tojson(e){let n=void 0===e||"string"==typeof e,r={};n&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},r.metadata={version:4.5,type:"object",generator:"object3d.tojson"});let i={};function a(n,r){return void 0===n[r.uuid]&&(n[r.uuid]=r.tojson(e)),r.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castshadow&&(i.castshadow=!0),!0===this.receiveshadow&&(i.receiveshadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumculled&&(i.frustumculled=!1),0!==this.renderorder&&(i.renderorder=this.renderorder),object.keys(this.userdata).length>0&&(i.userdata=this.userdata),i.layers=this.layers.mask,i.matrix=this.matrix.toarray(),!1===this.matrixautoupdate&&(i.matrixautoupdate=!1),this.isinstancedmesh&&(i.type="instancedmesh",i.count=this.count,i.instancematrix=this.instancematrix.tojson(),null!==this.instancecolor&&(i.instancecolor=this.instancecolor.tojson())),this.isscene)this.background&&(this.background.iscolor?i.background=this.background.tojson():this.background.istexture&&(i.background=this.background.tojson(e).uuid)),this.environment&&this.environment.istexture&&!0!==this.environment.isrendertargettexture&&(i.environment=this.environment.tojson(e).uuid);else if(this.ismesh||this.isline||this.ispoints){i.geometry=a(e.geometries,this.geometry);let n=this.geometry.parameters;if(void 0!==n&&void 0!==n.shapes){let r=n.shapes;if(array.isarray(r))for(let n=0,i=r.length;n<i;n++){let i=r[n];a(e.shapes,i)}else a(e.shapes,r)}}if(this.isskinnedmesh&&(i.bindmode=this.bindmode,i.bindmatrix=this.bindmatrix.toarray(),void 0!==this.skeleton&&(a(e.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material){if(array.isarray(this.material)){let n=[];for(let r=0,i=this.material.length;r<i;r++)n.push(a(e.materials,this.material[r]));i.material=n}else i.material=a(e.materials,this.material)}if(this.children.length>0){i.children=[];for(let n=0;n<this.children.length;n++)i.children.push(this.children[n].tojson(e).object)}if(this.animations.length>0){i.animations=[];for(let n=0;n<this.animations.length;n++){let r=this.animations[n];i.animations.push(a(e.animations,r))}}if(n){let n=s(e.geometries),i=s(e.materials),a=s(e.textures),o=s(e.images),l=s(e.shapes),u=s(e.skeletons),c=s(e.animations),h=s(e.nodes);n.length>0&&(r.geometries=n),i.length>0&&(r.materials=i),a.length>0&&(r.textures=a),o.length>0&&(r.images=o),l.length>0&&(r.shapes=l),u.length>0&&(r.skeletons=u),c.length>0&&(r.animations=c),h.length>0&&(r.nodes=h)}return r.object=i,r;function s(e){let n=[];for(let r in e){let i=e[r];delete i.metadata,n.push(i)}return n}}clone(e){return new this.constructor().copy(this,e)}copy(e,n=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixworld.copy(e.matrixworld),this.matrixautoupdate=e.matrixautoupdate,this.matrixworldneedsupdate=e.matrixworldneedsupdate,this.matrixworldautoupdate=e.matrixworldautoupdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castshadow=e.castshadow,this.receiveshadow=e.receiveshadow,this.frustumculled=e.frustumculled,this.renderorder=e.renderorder,this.userdata=json.parse(json.stringify(e.userdata)),!0===n)for(let n=0;n<e.children.length;n++){let r=e.children[n];this.add(r.clone())}return this}}rg.default_up=new ny(0,1,0),rg.default_matrix_auto_update=!0,rg.default_matrix_world_auto_update=!0;let ru=new ny,rz=new ny,rv=new ny,rj=new ny,rw=new ny,rj=new ny,rx=new ny,rk=new ny,ry=new ny,rq=new ny;class rq{constructor(e=new ny,n=new ny,r=new ny){this.a=e,this.b=n,this.c=r}static getnormal(e,n,r,i){i.subvectors(r,n),ru.subvectors(e,n),i.cross(ru);let a=i.lengthsq();return a>0?i.multiplyscalar(1/math.sqrt(a)):i.set(0,0,0)}static getbarycoord(e,n,r,i,a){ru.subvectors(i,n),rz.subvectors(r,n),rv.subvectors(e,n);let s=ru.dot(ru),o=ru.dot(rz),l=ru.dot(rv),u=rz.dot(rz),c=rz.dot(rv),h=s*u-o*o;if(0===h)return a.set(-2,-1,-1);let d=1/h,p=(u*l-o*c)*d,f=(s*c-o*l)*d;return a.set(1-p-f,f,p)}static containspoint(e,n,r,i){return this.getbarycoord(e,n,r,i,rj),rj.x>=0&&rj.y>=0&&rj.x+rj.y<=1}static getuv(e,n,r,i,a,s,o,l){return this.getbarycoord(e,n,r,i,rj),l.set(0,0),l.addscaledvector(a,rj.x),l.addscaledvector(s,rj.y),l.addscaledvector(o,rj.z),l}static isfrontfacing(e,n,r,i){return ru.subvectors(r,n),rz.subvectors(e,n),0>ru.cross(rz).dot(i)}set(e,n,r){return this.a.copy(e),this.b.copy(n),this.c.copy(r),this}setfrompointsandindices(e,n,r,i){return this.a.copy(e[n]),this.b.copy(e[r]),this.c.copy(e[i]),this}setfromattributeandindices(e,n,r,i){return this.a.frombufferattribute(e,n),this.b.frombufferattribute(e,r),this.c.frombufferattribute(e,i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getarea(){return ru.subvectors(this.c,this.b),rz.subvectors(this.a,this.b),.5*ru.cross(rz).length()}getmidpoint(e){return e.addvectors(this.a,this.b).add(this.c).multiplyscalar(1/3)}getnormal(e){return rq.getnormal(this.a,this.b,this.c,e)}getplane(e){return e.setfromcoplanarpoints(this.a,this.b,this.c)}getbarycoord(e,n){return rq.getbarycoord(e,this.a,this.b,this.c,n)}getuv(e,n,r,i,a){return rq.getuv(e,this.a,this.b,this.c,n,r,i,a)}containspoint(e){return rq.containspoint(e,this.a,this.b,this.c)}isfrontfacing(e){return rq.isfrontfacing(this.a,this.b,this.c,e)}intersectsbox(e){return e.intersectstriangle(this)}closestpointtopoint(e,n){let r,i;let a=this.a,s=this.b,o=this.c;rw.subvectors(s,a),rj.subvectors(o,a),rk.subvectors(e,a);let l=rw.dot(rk),u=rj.dot(rk);if(l<=0&&u<=0)return n.copy(a);ry.subvectors(e,s);let c=rw.dot(ry),h=rj.dot(ry);if(c>=0&&h<=c)return n.copy(s);let d=l*h-c*u;if(d<=0&&l>=0&&c<=0)return r=l/(l-c),n.copy(a).addscaledvector(rw,r);rq.subvectors(e,o);let p=rw.dot(rq),f=rj.dot(rq);if(f>=0&&p<=f)return n.copy(o);let m=p*u-l*f;if(m<=0&&u>=0&&f<=0)return i=u/(u-f),n.copy(a).addscaledvector(rj,i);let g=c*f-p*h;if(g<=0&&h-c>=0&&p-f>=0)return rx.subvectors(o,s),i=(h-c)/(h-c+(p-f)),n.copy(s).addscaledvector(rx,i);let v=1/(g+m+d);return r=m*v,i=d*v,n.copy(a).addscaledvector(rw,r).addscaledvector(rj,i)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let rz=0;class r$ extends nr{constructor(){super(),this.ismaterial=!0,object.defineproperty(this,"id",{value:rz++}),this.uuid=nl(),this.name="",this.type="material",this.blending=w,this.side=_,this.vertexcolors=!1,this.opacity=1,this.transparent=!1,this.blendsrc=h,this.blenddst=g,this.blendequation=p,this.blendsrcalpha=null,this.blenddstalpha=null,this.blendequationalpha=null,this.depthfunc=y,this.depthtest=!0,this.depthwrite=!0,this.stencilwritemask=255,this.stencilfunc=t0,this.stencilref=0,this.stencilfuncmask=255,this.stencilfail=tg,this.stencilzfail=tg,this.stencilzpass=tg,this.stencilwrite=!1,this.clippingplanes=null,this.clipintersection=!1,this.clipshadows=!1,this.shadowside=null,this.colorwrite=!0,this.precision=null,this.polygonoffset=!1,this.polygonoffsetfactor=0,this.polygonoffsetunits=0,this.dithering=!1,this.alphatocoverage=!1,this.premultipliedalpha=!1,this.forcesinglepass=!1,this.visible=!0,this.tonemapped=!0,this.userdata={},this.version=0,this._alphatest=0}get alphatest(){return this._alphatest}set alphatest(e){this._alphatest>0!=e>0&&this.version++,this._alphatest=e}onbuild(){}onbeforerender(){}onbeforecompile(){}customprogramcachekey(){return this.onbeforecompile.tostring()}setvalues(e){if(void 0!==e)for(let n in e){let r=e[n];if(void 0===r){console.warn("three.material: '"+n+"' parameter is undefined.");continue}let i=this[n];if(void 0===i){console.warn("three."+this.type+": '"+n+"' is not a property of this material.");continue}i&&i.iscolor?i.set(r):i&&i.isvector3&&r&&r.isvector3?i.copy(r):this[n]=r}}tojson(e){let n=void 0===e||"string"==typeof e;n&&(e={textures:{},images:{}});let r={metadata:{version:4.5,type:"material",generator:"material.tojson"}};function i(e){let n=[];for(let r in e){let i=e[r];delete i.metadata,n.push(i)}return n}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),this.color&&this.color.iscolor&&(r.color=this.color.gethex()),void 0!==this.roughness&&(r.roughness=this.roughness),void 0!==this.metalness&&(r.metalness=this.metalness),void 0!==this.sheen&&(r.sheen=this.sheen),this.sheencolor&&this.sheencolor.iscolor&&(r.sheencolor=this.sheencolor.gethex()),void 0!==this.sheenroughness&&(r.sheenroughness=this.sheenroughness),this.emissive&&this.emissive.iscolor&&(r.emissive=this.emissive.gethex()),this.emissiveintensity&&1!==this.emissiveintensity&&(r.emissiveintensity=this.emissiveintensity),this.specular&&this.specular.iscolor&&(r.specular=this.specular.gethex()),void 0!==this.specularintensity&&(r.specularintensity=this.specularintensity),this.specularcolor&&this.specularcolor.iscolor&&(r.specularcolor=this.specularcolor.gethex()),void 0!==this.shininess&&(r.shininess=this.shininess),void 0!==this.clearcoat&&(r.clearcoat=this.clearcoat),void 0!==this.clearcoatroughness&&(r.clearcoatroughness=this.clearcoatroughness),this.clearcoatmap&&this.clearcoatmap.istexture&&(r.clearcoatmap=this.clearcoatmap.tojson(e).uuid),this.clearcoatroughnessmap&&this.clearcoatroughnessmap.istexture&&(r.clearcoatroughnessmap=this.clearcoatroughnessmap.tojson(e).uuid),this.clearcoatnormalmap&&this.clearcoatnormalmap.istexture&&(r.clearcoatnormalmap=this.clearcoatnormalmap.tojson(e).uuid,r.clearcoatnormalscale=this.clearcoatnormalscale.toarray()),void 0!==this.iridescence&&(r.iridescence=this.iridescence),void 0!==this.iridescenceior&&(r.iridescenceior=this.iridescenceior),void 0!==this.iridescencethicknessrange&&(r.iridescencethicknessrange=this.iridescencethicknessrange),this.iridescencemap&&this.iridescencemap.istexture&&(r.iridescencemap=this.iridescencemap.tojson(e).uuid),this.iridescencethicknessmap&&this.iridescencethicknessmap.istexture&&(r.iridescencethicknessmap=this.iridescencethicknessmap.tojson(e).uuid),this.map&&this.map.istexture&&(r.map=this.map.tojson(e).uuid),this.matcap&&this.matcap.istexture&&(r.matcap=this.matcap.tojson(e).uuid),this.alphamap&&this.alphamap.istexture&&(r.alphamap=this.alphamap.tojson(e).uuid),this.lightmap&&this.lightmap.istexture&&(r.lightmap=this.lightmap.tojson(e).uuid,r.lightmapintensity=this.lightmapintensity),this.aomap&&this.aomap.istexture&&(r.aomap=this.aomap.tojson(e).uuid,r.aomapintensity=this.aomapintensity),this.bumpmap&&this.bumpmap.istexture&&(r.bumpmap=this.bumpmap.tojson(e).uuid,r.bumpscale=this.bumpscale),this.normalmap&&this.normalmap.istexture&&(r.normalmap=this.normalmap.tojson(e).uuid,r.normalmaptype=this.normalmaptype,r.normalscale=this.normalscale.toarray()),this.displacementmap&&this.displacementmap.istexture&&(r.displacementmap=this.displacementmap.tojson(e).uuid,r.displacementscale=this.displacementscale,r.displacementbias=this.displacementbias),this.roughnessmap&&this.roughnessmap.istexture&&(r.roughnessmap=this.roughnessmap.tojson(e).uuid),this.metalnessmap&&this.metalnessmap.istexture&&(r.metalnessmap=this.metalnessmap.tojson(e).uuid),this.emissivemap&&this.emissivemap.istexture&&(r.emissivemap=this.emissivemap.tojson(e).uuid),this.specularmap&&this.specularmap.istexture&&(r.specularmap=this.specularmap.tojson(e).uuid),this.specularintensitymap&&this.specularintensitymap.istexture&&(r.specularintensitymap=this.specularintensitymap.tojson(e).uuid),this.specularcolormap&&this.specularcolormap.istexture&&(r.specularcolormap=this.specularcolormap.tojson(e).uuid),this.envmap&&this.envmap.istexture&&(r.envmap=this.envmap.tojson(e).uuid,void 0!==this.combine&&(r.combine=this.combine)),void 0!==this.envmapintensity&&(r.envmapintensity=this.envmapintensity),void 0!==this.reflectivity&&(r.reflectivity=this.reflectivity),void 0!==this.refractionratio&&(r.refractionratio=this.refractionratio),this.gradientmap&&this.gradientmap.istexture&&(r.gradientmap=this.gradientmap.tojson(e).uuid),void 0!==this.transmission&&(r.transmission=this.transmission),this.transmissionmap&&this.transmissionmap.istexture&&(r.transmissionmap=this.transmissionmap.tojson(e).uuid),void 0!==this.thickness&&(r.thickness=this.thickness),this.thicknessmap&&this.thicknessmap.istexture&&(r.thicknessmap=this.thicknessmap.tojson(e).uuid),void 0!==this.attenuationdistance&&this.attenuationdistance!==1/0&&(r.attenuationdistance=this.attenuationdistance),void 0!==this.attenuationcolor&&(r.attenuationcolor=this.attenuationcolor.gethex()),void 0!==this.size&&(r.size=this.size),null!==this.shadowside&&(r.shadowside=this.shadowside),void 0!==this.sizeattenuation&&(r.sizeattenuation=this.sizeattenuation),this.blending!==w&&(r.blending=this.blending),this.side!==_&&(r.side=this.side),this.vertexcolors&&(r.vertexcolors=!0),this.opacity<1&&(r.opacity=this.opacity),!0===this.transparent&&(r.transparent=this.transparent),r.depthfunc=this.depthfunc,r.depthtest=this.depthtest,r.depthwrite=this.depthwrite,r.colorwrite=this.colorwrite,r.stencilwrite=this.stencilwrite,r.stencilwritemask=this.stencilwritemask,r.stencilfunc=this.stencilfunc,r.stencilref=this.stencilref,r.stencilfuncmask=this.stencilfuncmask,r.stencilfail=this.stencilfail,r.stencilzfail=this.stencilzfail,r.stencilzpass=this.stencilzpass,void 0!==this.rotation&&0!==this.rotation&&(r.rotation=this.rotation),!0===this.polygonoffset&&(r.polygonoffset=!0),0!==this.polygonoffsetfactor&&(r.polygonoffsetfactor=this.polygonoffsetfactor),0!==this.polygonoffsetunits&&(r.polygonoffsetunits=this.polygonoffsetunits),void 0!==this.linewidth&&1!==this.linewidth&&(r.linewidth=this.linewidth),void 0!==this.dashsize&&(r.dashsize=this.dashsize),void 0!==this.gapsize&&(r.gapsize=this.gapsize),void 0!==this.scale&&(r.scale=this.scale),!0===this.dithering&&(r.dithering=!0),this.alphatest>0&&(r.alphatest=this.alphatest),!0===this.alphatocoverage&&(r.alphatocoverage=this.alphatocoverage),!0===this.premultipliedalpha&&(r.premultipliedalpha=this.premultipliedalpha),!0===this.forcesinglepass&&(r.forcesinglepass=this.forcesinglepass),!0===this.wireframe&&(r.wireframe=this.wireframe),this.wireframelinewidth>1&&(r.wireframelinewidth=this.wireframelinewidth),"round"!==this.wireframelinecap&&(r.wireframelinecap=this.wireframelinecap),"round"!==this.wireframelinejoin&&(r.wireframelinejoin=this.wireframelinejoin),!0===this.flatshading&&(r.flatshading=this.flatshading),!1===this.visible&&(r.visible=!1),!1===this.tonemapped&&(r.tonemapped=!1),!1===this.fog&&(r.fog=!1),object.keys(this.userdata).length>0&&(r.userdata=this.userdata),n){let n=i(e.textures),a=i(e.images);n.length>0&&(r.textures=n),a.length>0&&(r.images=a)}return r}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexcolors=e.vertexcolors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendsrc=e.blendsrc,this.blenddst=e.blenddst,this.blendequation=e.blendequation,this.blendsrcalpha=e.blendsrcalpha,this.blenddstalpha=e.blenddstalpha,this.blendequationalpha=e.blendequationalpha,this.depthfunc=e.depthfunc,this.depthtest=e.depthtest,this.depthwrite=e.depthwrite,this.stencilwritemask=e.stencilwritemask,this.stencilfunc=e.stencilfunc,this.stencilref=e.stencilref,this.stencilfuncmask=e.stencilfuncmask,this.stencilfail=e.stencilfail,this.stencilzfail=e.stencilzfail,this.stencilzpass=e.stencilzpass,this.stencilwrite=e.stencilwrite;let n=e.clippingplanes,r=null;if(null!==n){let e=n.length;r=array(e);for(let i=0;i!==e;++i)r[i]=n[i].clone()}return this.clippingplanes=r,this.clipintersection=e.clipintersection,this.clipshadows=e.clipshadows,this.shadowside=e.shadowside,this.colorwrite=e.colorwrite,this.precision=e.precision,this.polygonoffset=e.polygonoffset,this.polygonoffsetfactor=e.polygonoffsetfactor,this.polygonoffsetunits=e.polygonoffsetunits,this.dithering=e.dithering,this.alphatest=e.alphatest,this.alphatocoverage=e.alphatocoverage,this.premultipliedalpha=e.premultipliedalpha,this.forcesinglepass=e.forcesinglepass,this.visible=e.visible,this.tonemapped=e.tonemapped,this.userdata=json.parse(json.stringify(e.userdata)),this}dispose(){this.dispatchevent({type:"dispose"})}set needsupdate(e){!0===e&&this.version++}}class r0 extends r${constructor(e){super(),this.ismeshbasicmaterial=!0,this.type="meshbasicmaterial",this.color=new nf(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=ee,this.reflectivity=1,this.refractionratio=.98,this.wireframe=!1,this.wireframelinewidth=1,this.wireframelinecap="round",this.wireframelinejoin="round",this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightmap=e.lightmap,this.lightmapintensity=e.lightmapintensity,this.aomap=e.aomap,this.aomapintensity=e.aomapintensity,this.specularmap=e.specularmap,this.alphamap=e.alphamap,this.envmap=e.envmap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionratio=e.refractionratio,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.wireframelinecap=e.wireframelinecap,this.wireframelinejoin=e.wireframelinejoin,this.fog=e.fog,this}}let r1=new ny,r2=new ny;class r3{constructor(e,n,r=!1){if(array.isarray(e))throw typeerror("three.bufferattribute: array should be a typed array.");this.isbufferattribute=!0,this.name="",this.array=e,this.itemsize=n,this.count=void 0!==e?e.length/n:0,this.normalized=r,this.usage=t1,this.updaterange={offset:0,count:-1},this.version=0}onuploadcallback(){}set needsupdate(e){!0===e&&this.version++}setusage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemsize=e.itemsize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyat(e,n,r){e*=this.itemsize,r*=n.itemsize;for(let i=0,a=this.itemsize;i<a;i++)this.array[e+i]=n.array[r+i];return this}copyarray(e){return this.array.set(e),this}applymatrix3(e){if(2===this.itemsize)for(let n=0,r=this.count;n<r;n++)r2.frombufferattribute(this,n),r2.applymatrix3(e),this.setxy(n,r2.x,r2.y);else if(3===this.itemsize)for(let n=0,r=this.count;n<r;n++)r1.frombufferattribute(this,n),r1.applymatrix3(e),this.setxyz(n,r1.x,r1.y,r1.z);return this}applymatrix4(e){for(let n=0,r=this.count;n<r;n++)r1.frombufferattribute(this,n),r1.applymatrix4(e),this.setxyz(n,r1.x,r1.y,r1.z);return this}applynormalmatrix(e){for(let n=0,r=this.count;n<r;n++)r1.frombufferattribute(this,n),r1.applynormalmatrix(e),this.setxyz(n,r1.x,r1.y,r1.z);return this}transformdirection(e){for(let n=0,r=this.count;n<r;n++)r1.frombufferattribute(this,n),r1.transformdirection(e),this.setxyz(n,r1.x,r1.y,r1.z);return this}set(e,n=0){return this.array.set(e,n),this}getx(e){let n=this.array[e*this.itemsize];return this.normalized&&(n=nm(n,this.array)),n}setx(e,n){return this.normalized&&(n=ng(n,this.array)),this.array[e*this.itemsize]=n,this}gety(e){let n=this.array[e*this.itemsize+1];return this.normalized&&(n=nm(n,this.array)),n}sety(e,n){return this.normalized&&(n=ng(n,this.array)),this.array[e*this.itemsize+1]=n,this}getz(e){let n=this.array[e*this.itemsize+2];return this.normalized&&(n=nm(n,this.array)),n}setz(e,n){return this.normalized&&(n=ng(n,this.array)),this.array[e*this.itemsize+2]=n,this}getw(e){let n=this.array[e*this.itemsize+3];return this.normalized&&(n=nm(n,this.array)),n}setw(e,n){return this.normalized&&(n=ng(n,this.array)),this.array[e*this.itemsize+3]=n,this}setxy(e,n,r){return e*=this.itemsize,this.normalized&&(n=ng(n,this.array),r=ng(r,this.array)),this.array[e+0]=n,this.array[e+1]=r,this}setxyz(e,n,r,i){return e*=this.itemsize,this.normalized&&(n=ng(n,this.array),r=ng(r,this.array),i=ng(i,this.array)),this.array[e+0]=n,this.array[e+1]=r,this.array[e+2]=i,this}setxyzw(e,n,r,i,a){return e*=this.itemsize,this.normalized&&(n=ng(n,this.array),r=ng(r,this.array),i=ng(i,this.array),a=ng(a,this.array)),this.array[e+0]=n,this.array[e+1]=r,this.array[e+2]=i,this.array[e+3]=a,this}onupload(e){return this.onuploadcallback=e,this}clone(){return new this.constructor(this.array,this.itemsize).copy(this)}tojson(){let e={itemsize:this.itemsize,type:this.array.constructor.name,array:array.from(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==t1&&(e.usage=this.usage),(0!==this.updaterange.offset||-1!==this.updaterange.count)&&(e.updaterange=this.updaterange),e}copycolorsarray(){console.error("three.bufferattribute: copycolorsarray() was removed in r144.")}copyvector2sarray(){console.error("three.bufferattribute: copyvector2sarray() was removed in r144.")}copyvector3sarray(){console.error("three.bufferattribute: copyvector3sarray() was removed in r144.")}copyvector4sarray(){console.error("three.bufferattribute: copyvector4sarray() was removed in r144.")}}class r4 extends r3{constructor(e,n,r){super(new int8array(e),n,r)}}class r6 extends r3{constructor(e,n,r){super(new uint8array(e),n,r)}}class r5 extends r3{constructor(e,n,r){super(new uint8clampedarray(e),n,r)}}class r9 extends r3{constructor(e,n,r){super(new int16array(e),n,r)}}class r8 extends r3{constructor(e,n,r){super(new uint16array(e),n,r)}}class r7 extends r3{constructor(e,n,r){super(new int32array(e),n,r)}}class ie extends r3{constructor(e,n,r){super(new uint32array(e),n,r)}}class it extends r3{constructor(e,n,r){super(new uint16array(e),n,r),this.isfloat16bufferattribute=!0}}class ir extends r3{constructor(e,n,r){super(new float32array(e),n,r)}}class ii extends r3{constructor(e,n,r){super(new float64array(e),n,r)}}let ia=0,is=new rm,io=new rg,il=new ny,iu=new nz,ic=new nz,ih=new ny;class id extends nr{constructor(){super(),this.isbuffergeometry=!0,object.defineproperty(this,"id",{value:ia++}),this.uuid=nl(),this.name="",this.type="buffergeometry",this.index=null,this.attributes={},this.morphattributes={},this.morphtargetsrelative=!1,this.groups=[],this.boundingbox=null,this.boundingsphere=null,this.drawrange={start:0,count:1/0},this.userdata={}}getindex(){return this.index}setindex(e){return array.isarray(e)?this.index=new(na(e)?ie:r8)(e,1):this.index=e,this}getattribute(e){return this.attributes[e]}setattribute(e,n){return this.attributes[e]=n,this}deleteattribute(e){return delete this.attributes[e],this}hasattribute(e){return void 0!==this.attributes[e]}addgroup(e,n,r=0){this.groups.push({start:e,count:n,materialindex:r})}cleargroups(){this.groups=[]}setdrawrange(e,n){this.drawrange.start=e,this.drawrange.count=n}applymatrix4(e){let n=this.attributes.position;void 0!==n&&(n.applymatrix4(e),n.needsupdate=!0);let r=this.attributes.normal;if(void 0!==r){let n=new nx().getnormalmatrix(e);r.applynormalmatrix(n),r.needsupdate=!0}let i=this.attributes.tangent;return void 0!==i&&(i.transformdirection(e),i.needsupdate=!0),null!==this.boundingbox&&this.computeboundingbox(),null!==this.boundingsphere&&this.computeboundingsphere(),this}applyquaternion(e){return is.makerotationfromquaternion(e),this.applymatrix4(is),this}rotatex(e){return is.makerotationx(e),this.applymatrix4(is),this}rotatey(e){return is.makerotationy(e),this.applymatrix4(is),this}rotatez(e){return is.makerotationz(e),this.applymatrix4(is),this}translate(e,n,r){return is.maketranslation(e,n,r),this.applymatrix4(is),this}scale(e,n,r){return is.makescale(e,n,r),this.applymatrix4(is),this}lookat(e){return io.lookat(e),io.updatematrix(),this.applymatrix4(io.matrix),this}center(){return this.computeboundingbox(),this.boundingbox.getcenter(il).negate(),this.translate(il.x,il.y,il.z),this}setfrompoints(e){let n=[];for(let r=0,i=e.length;r<i;r++){let i=e[r];n.push(i.x,i.y,i.z||0)}return this.setattribute("position",new ir(n,3)),this}computeboundingbox(){null===this.boundingbox&&(this.boundingbox=new nz);let e=this.attributes.position,n=this.morphattributes.position;if(e&&e.isglbufferattribute){console.error('three.buffergeometry.computeboundingbox(): glbufferattribute requires a manual bounding box. alternatively set "mesh.frustumculled" to "false".',this),this.boundingbox.set(new ny(-1/0,-1/0,-1/0),new ny(infinity,infinity,infinity));return}if(void 0!==e){if(this.boundingbox.setfrombufferattribute(e),n)for(let e=0,r=n.length;e<r;e++){let r=n[e];iu.setfrombufferattribute(r),this.morphtargetsrelative?(ih.addvectors(this.boundingbox.min,iu.min),this.boundingbox.expandbypoint(ih),ih.addvectors(this.boundingbox.max,iu.max),this.boundingbox.expandbypoint(ih)):(this.boundingbox.expandbypoint(iu.min),this.boundingbox.expandbypoint(iu.max))}}else 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(){null===this.boundingsphere&&(this.boundingsphere=new rs);let e=this.attributes.position,n=this.morphattributes.position;if(e&&e.isglbufferattribute){console.error('three.buffergeometry.computeboundingsphere(): glbufferattribute requires a manual bounding sphere. alternatively set "mesh.frustumculled" to "false".',this),this.boundingsphere.set(new ny,1/0);return}if(e){let r=this.boundingsphere.center;if(iu.setfrombufferattribute(e),n)for(let e=0,r=n.length;e<r;e++){let r=n[e];ic.setfrombufferattribute(r),this.morphtargetsrelative?(ih.addvectors(iu.min,ic.min),iu.expandbypoint(ih),ih.addvectors(iu.max,ic.max),iu.expandbypoint(ih)):(iu.expandbypoint(ic.min),iu.expandbypoint(ic.max))}iu.getcenter(r);let i=0;for(let n=0,a=e.count;n<a;n++)ih.frombufferattribute(e,n),i=math.max(i,r.distancetosquared(ih));if(n)for(let a=0,s=n.length;a<s;a++){let s=n[a],o=this.morphtargetsrelative;for(let n=0,a=s.count;n<a;n++)ih.frombufferattribute(s,n),o&&(il.frombufferattribute(e,n),ih.add(il)),i=math.max(i,r.distancetosquared(ih))}this.boundingsphere.radius=math.sqrt(i),isnan(this.boundingsphere.radius)&&console.error('three.buffergeometry.computeboundingsphere(): computed radius is nan. the "position" attribute is likely to have nan values.',this)}}computetangents(){let e=this.index,n=this.attributes;if(null===e||void 0===n.position||void 0===n.normal||void 0===n.uv){console.error("three.buffergeometry: .computetangents() failed. missing required attributes (index, position, normal or uv)");return}let r=e.array,i=n.position.array,a=n.normal.array,s=n.uv.array,o=i.length/3;!1===this.hasattribute("tangent")&&this.setattribute("tangent",new r3(new float32array(4*o),4));let l=this.getattribute("tangent").array,u=[],c=[];for(let e=0;e<o;e++)u[e]=new ny,c[e]=new ny;let h=new ny,d=new ny,p=new ny,f=new ny,m=new ny,g=new ny,v=new ny,y=new ny,x=this.groups;0===x.length&&(x=[{start:0,count:r.length}]);for(let e=0,n=x.length;e<n;++e){let n=x[e],a=n.start,o=n.count;for(let e=a,n=a+o;e<n;e+=3)!function(e,n,r){h.fromarray(i,3*e),d.fromarray(i,3*n),p.fromarray(i,3*r),f.fromarray(s,2*e),m.fromarray(s,2*n),g.fromarray(s,2*r),d.sub(h),p.sub(h),m.sub(f),g.sub(f);let a=1/(m.x*g.y-g.x*m.y);isfinite(a)&&(v.copy(d).multiplyscalar(g.y).addscaledvector(p,-m.y).multiplyscalar(a),y.copy(p).multiplyscalar(m.x).addscaledvector(d,-g.x).multiplyscalar(a),u[e].add(v),u[n].add(v),u[r].add(v),c[e].add(y),c[n].add(y),c[r].add(y))}(r[e+0],r[e+1],r[e+2])}let _=new ny,a=new ny,b=new ny,m=new ny;function s(e){b.fromarray(a,3*e),m.copy(b);let n=u[e];_.copy(n),_.sub(b.multiplyscalar(b.dot(n))).normalize(),a.crossvectors(m,n);let r=a.dot(c[e]);l[4*e]=_.x,l[4*e+1]=_.y,l[4*e+2]=_.z,l[4*e+3]=r<0?-1:1}for(let e=0,n=x.length;e<n;++e){let n=x[e],i=n.start,a=n.count;for(let e=i,n=i+a;e<n;e+=3)s(r[e+0]),s(r[e+1]),s(r[e+2])}}computevertexnormals(){let e=this.index,n=this.getattribute("position");if(void 0!==n){let r=this.getattribute("normal");if(void 0===r)r=new r3(new float32array(3*n.count),3),this.setattribute("normal",r);else for(let e=0,n=r.count;e<n;e++)r.setxyz(e,0,0,0);let i=new ny,a=new ny,s=new ny,o=new ny,l=new ny,u=new ny,c=new ny,h=new ny;if(e)for(let d=0,p=e.count;d<p;d+=3){let p=e.getx(d+0),f=e.getx(d+1),m=e.getx(d+2);i.frombufferattribute(n,p),a.frombufferattribute(n,f),s.frombufferattribute(n,m),c.subvectors(s,a),h.subvectors(i,a),c.cross(h),o.frombufferattribute(r,p),l.frombufferattribute(r,f),u.frombufferattribute(r,m),o.add(c),l.add(c),u.add(c),r.setxyz(p,o.x,o.y,o.z),r.setxyz(f,l.x,l.y,l.z),r.setxyz(m,u.x,u.y,u.z)}else for(let e=0,o=n.count;e<o;e+=3)i.frombufferattribute(n,e+0),a.frombufferattribute(n,e+1),s.frombufferattribute(n,e+2),c.subvectors(s,a),h.subvectors(i,a),c.cross(h),r.setxyz(e+0,c.x,c.y,c.z),r.setxyz(e+1,c.x,c.y,c.z),r.setxyz(e+2,c.x,c.y,c.z);this.normalizenormals(),r.needsupdate=!0}}merge(){return console.error("three.buffergeometry.merge() has been removed. use three.buffergeometryutils.mergebuffergeometries() instead."),this}normalizenormals(){let e=this.attributes.normal;for(let n=0,r=e.count;n<r;n++)ih.frombufferattribute(e,n),ih.normalize(),e.setxyz(n,ih.x,ih.y,ih.z)}tononindexed(){function e(e,n){let r=e.array,i=e.itemsize,a=e.normalized,s=new r.constructor(n.length*i),o=0,l=0;for(let a=0,u=n.length;a<u;a++){o=e.isinterleavedbufferattribute?n[a]*e.data.stride+e.offset:n[a]*i;for(let e=0;e<i;e++)s[l++]=r[o++]}return new r3(s,i,a)}if(null===this.index)return console.warn("three.buffergeometry.tononindexed(): buffergeometry is already non-indexed."),this;let n=new id,r=this.index.array,i=this.attributes;for(let a in i){let s=i[a],o=e(s,r);n.setattribute(a,o)}let a=this.morphattributes;for(let i in a){let s=[],o=a[i];for(let n=0,i=o.length;n<i;n++){let i=o[n],a=e(i,r);s.push(a)}n.morphattributes[i]=s}n.morphtargetsrelative=this.morphtargetsrelative;let s=this.groups;for(let e=0,r=s.length;e<r;e++){let r=s[e];n.addgroup(r.start,r.count,r.materialindex)}return n}tojson(){let e={metadata:{version:4.5,type:"buffergeometry",generator:"buffergeometry.tojson"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),object.keys(this.userdata).length>0&&(e.userdata=this.userdata),void 0!==this.parameters){let n=this.parameters;for(let r in n)void 0!==n[r]&&(e[r]=n[r]);return e}e.data={attributes:{}};let n=this.index;null!==n&&(e.data.index={type:n.array.constructor.name,array:array.prototype.slice.call(n.array)});let r=this.attributes;for(let n in r){let i=r[n];e.data.attributes[n]=i.tojson(e.data)}let i={},a=!1;for(let n in this.morphattributes){let r=this.morphattributes[n],s=[];for(let n=0,i=r.length;n<i;n++){let i=r[n];s.push(i.tojson(e.data))}s.length>0&&(i[n]=s,a=!0)}a&&(e.data.morphattributes=i,e.data.morphtargetsrelative=this.morphtargetsrelative);let s=this.groups;s.length>0&&(e.data.groups=json.parse(json.stringify(s)));let o=this.boundingsphere;return null!==o&&(e.data.boundingsphere={center:o.center.toarray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphattributes={},this.groups=[],this.boundingbox=null,this.boundingsphere=null;let n={};this.name=e.name;let r=e.index;null!==r&&this.setindex(r.clone(n));let i=e.attributes;for(let e in i){let r=i[e];this.setattribute(e,r.clone(n))}let a=e.morphattributes;for(let e in a){let r=[],i=a[e];for(let e=0,a=i.length;e<a;e++)r.push(i[e].clone(n));this.morphattributes[e]=r}this.morphtargetsrelative=e.morphtargetsrelative;let s=e.groups;for(let e=0,n=s.length;e<n;e++){let n=s[e];this.addgroup(n.start,n.count,n.materialindex)}let o=e.boundingbox;null!==o&&(this.boundingbox=o.clone());let l=e.boundingsphere;return null!==l&&(this.boundingsphere=l.clone()),this.drawrange.start=e.drawrange.start,this.drawrange.count=e.drawrange.count,this.userdata=e.userdata,void 0!==e.parameters&&(this.parameters=object.assign({},e.parameters)),this}dispose(){this.dispatchevent({type:"dispose"})}}let ip=new rm,im=new rf,ig=new rs,iv=new ny,iy=new ny,ix=new ny,i_=new ny,ia=new ny,ib=new ny,im=new ny,is=new ny,iw=new ny,ic=new ny;class ie extends rg{constructor(e=new id,n=new r0){super(),this.ismesh=!0,this.type="mesh",this.geometry=e,this.material=n,this.updatemorphtargets()}copy(e,n){return super.copy(e,n),void 0!==e.morphtargetinfluences&&(this.morphtargetinfluences=e.morphtargetinfluences.slice()),void 0!==e.morphtargetdictionary&&(this.morphtargetdictionary=object.assign({},e.morphtargetdictionary)),this.material=e.material,this.geometry=e.geometry,this}updatemorphtargets(){let e=this.geometry,n=e.morphattributes,r=object.keys(n);if(r.length>0){let e=n[r[0]];if(void 0!==e){this.morphtargetinfluences=[],this.morphtargetdictionary={};for(let n=0,r=e.length;n<r;n++){let r=e[n].name||string(n);this.morphtargetinfluences.push(0),this.morphtargetdictionary[r]=n}}}}getvertexposition(e,n){let r=this.geometry,i=r.attributes.position,a=r.morphattributes.position,s=r.morphtargetsrelative;n.frombufferattribute(i,e);let o=this.morphtargetinfluences;if(a&&o){ia.set(0,0,0);for(let r=0,i=a.length;r<i;r++){let i=o[r],l=a[r];0!==i&&(i_.frombufferattribute(l,e),s?ia.addscaledvector(i_,i):ia.addscaledvector(i_.sub(n),i))}n.add(ia)}return this.isskinnedmesh&&this.bonetransform(e,n),n}raycast(e,n){let r;let i=this.geometry,a=this.material,s=this.matrixworld;if(void 0===a||(null===i.boundingsphere&&i.computeboundingsphere(),ig.copy(i.boundingsphere),ig.applymatrix4(s),!1===e.ray.intersectssphere(ig))||(ip.copy(s).invert(),im.copy(e.ray).applymatrix4(ip),null!==i.boundingbox&&!1===im.intersectsbox(i.boundingbox)))return;let o=i.index,l=i.attributes.position,u=i.attributes.uv,c=i.attributes.uv2,h=i.groups,d=i.drawrange;if(null!==o){if(array.isarray(a))for(let i=0,s=h.length;i<s;i++){let s=h[i],l=a[s.materialindex],p=math.max(s.start,d.start),f=math.min(o.count,math.min(s.start+s.count,d.start+d.count));for(let i=p;i<f;i+=3){let a=o.getx(i),h=o.getx(i+1),d=o.getx(i+2);(r=it(this,l,e,im,u,c,a,h,d))&&(r.faceindex=math.floor(i/3),r.face.materialindex=s.materialindex,n.push(r))}}else{let i=math.max(0,d.start),s=math.min(o.count,d.start+d.count);for(let l=i;l<s;l+=3){let i=o.getx(l),s=o.getx(l+1),h=o.getx(l+2);(r=it(this,a,e,im,u,c,i,s,h))&&(r.faceindex=math.floor(l/3),n.push(r))}}}else if(void 0!==l){if(array.isarray(a))for(let i=0,s=h.length;i<s;i++){let s=h[i],o=a[s.materialindex],p=math.max(s.start,d.start),f=math.min(l.count,math.min(s.start+s.count,d.start+d.count));for(let i=p;i<f;i+=3){let a=i,l=i+1,h=i+2;(r=it(this,o,e,im,u,c,a,l,h))&&(r.faceindex=math.floor(i/3),r.face.materialindex=s.materialindex,n.push(r))}}else{let i=math.max(0,d.start),s=math.min(l.count,d.start+d.count);for(let o=i;o<s;o+=3){let i=o,s=o+1,l=o+2;(r=it(this,a,e,im,u,c,i,s,l))&&(r.faceindex=math.floor(o/3),n.push(r))}}}}}function it(e,n,r,i,a,s,o,l,u){e.getvertexposition(o,iv),e.getvertexposition(l,iy),e.getvertexposition(u,ix);let c=function(e,n,r,i,a,s,o,l){if(null===(n.side===a?i.intersecttriangle(o,s,a,!0,l):i.intersecttriangle(a,s,o,n.side===_,l)))return null;ic.copy(l),ic.applymatrix4(e.matrixworld);let u=r.ray.origin.distanceto(ic);return u<r.near||u>r.far?null:{distance:u,point:ic.clone(),object:e}}(e,n,r,i,iv,iy,ix,iw);if(c){a&&(ib.frombufferattribute(a,o),im.frombufferattribute(a,l),is.frombufferattribute(a,u),c.uv=rq.getuv(iw,iv,iy,ix,ib,im,is,new ny)),s&&(ib.frombufferattribute(s,o),im.frombufferattribute(s,l),is.frombufferattribute(s,u),c.uv2=rq.getuv(iw,iv,iy,ix,ib,im,is,new ny));let e={a:o,b:l,c:u,normal:new ny,materialindex:0};rq.getnormal(iv,iy,ix,e.normal),c.face=e}return c}class ib extends id{constructor(e=1,n=1,r=1,i=1,a=1,s=1){super(),this.type="boxgeometry",this.parameters={width:e,height:n,depth:r,widthsegments:i,heightsegments:a,depthsegments:s};let o=this;i=math.floor(i),a=math.floor(a),s=math.floor(s);let l=[],u=[],c=[],h=[],d=0,p=0;function f(e,n,r,i,a,s,f,m,g,v,y){let x=s/g,_=f/v,a=s/2,b=f/2,m=m/2,s=g+1,w=v+1,c=0,e=0,t=new ny;for(let s=0;s<w;s++){let o=s*_-b;for(let l=0;l<s;l++){let d=l*x-a;t[e]=d*i,t[n]=o*a,t[r]=m,u.push(t.x,t.y,t.z),t[e]=0,t[n]=0,t[r]=m>0?1:-1,c.push(t.x,t.y,t.z),h.push(l/g),h.push(1-s/v),c+=1}}for(let e=0;e<v;e++)for(let n=0;n<g;n++){let r=d+n+s*e,i=d+n+s*(e+1),a=d+(n+1)+s*(e+1),s=d+(n+1)+s*e;l.push(r,i,s),l.push(i,a,s),e+=6}o.addgroup(p,e,y),p+=e,d+=c}f("z","y","x",-1,-1,r,n,e,s,a,0),f("z","y","x",1,-1,r,n,-e,s,a,1),f("x","z","y",1,1,e,r,n,i,s,2),f("x","z","y",1,-1,e,r,-n,i,s,3),f("x","y","z",1,-1,e,n,r,i,a,4),f("x","y","z",-1,-1,e,n,-r,i,a,5),this.setindex(l),this.setattribute("position",new ir(u,3)),this.setattribute("normal",new ir(c,3)),this.setattribute("uv",new ir(h,2))}static fromjson(e){return new ib(e.width,e.height,e.depth,e.widthsegments,e.heightsegments,e.depthsegments)}}function ip(e){let n={};for(let r in e)for(let i in n[r]={},e[r]){let a=e[r][i];a&&(a.iscolor||a.ismatrix3||a.ismatrix4||a.isvector2||a.isvector3||a.isvector4||a.istexture||a.isquaternion)?n[r][i]=a.clone():array.isarray(a)?n[r][i]=a.slice():n[r][i]=a}return n}function ir(e){let n={};for(let r=0;r<e.length;r++){let i=ip(e[r]);for(let e in i)n[e]=i[e]}return n}function il(e){return null===e.getrendertarget()&&e.outputencoding===tr?tn:tk}let ii={clone:ip,merge:ir};class id extends r${constructor(e){super(),this.isshadermaterial=!0,this.type="shadermaterial",this.defines={},this.uniforms={},this.uniformsgroups=[],this.vertexshader="void main() {\n	gl_position = projectionmatrix * modelviewmatrix * vec4( position, 1.0 );\n}",this.fragmentshader="void main() {\n	gl_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.extensions={derivatives:!1,fragdepth:!1,drawbuffers:!1,shadertexturelod:!1},this.defaultattributevalues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0attributename=void 0,this.uniformsneedupdate=!1,this.glslversion=null,void 0!==e&&this.setvalues(e)}copy(e){return super.copy(e),this.fragmentshader=e.fragmentshader,this.vertexshader=e.vertexshader,this.uniforms=ip(e.uniforms),this.uniformsgroups=function(e){let n=[];for(let r=0;r<e.length;r++)n.push(e[r].clone());return n}(e.uniformsgroups),this.defines=object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=object.assign({},e.extensions),this.glslversion=e.glslversion,this}tojson(e){let n=super.tojson(e);for(let r in n.glslversion=this.glslversion,n.uniforms={},this.uniforms){let i=this.uniforms[r],a=i.value;a&&a.istexture?n.uniforms[r]={type:"t",value:a.tojson(e).uuid}:a&&a.iscolor?n.uniforms[r]={type:"c",value:a.gethex()}:a&&a.isvector2?n.uniforms[r]={type:"v2",value:a.toarray()}:a&&a.isvector3?n.uniforms[r]={type:"v3",value:a.toarray()}:a&&a.isvector4?n.uniforms[r]={type:"v4",value:a.toarray()}:a&&a.ismatrix3?n.uniforms[r]={type:"m3",value:a.toarray()}:a&&a.ismatrix4?n.uniforms[r]={type:"m4",value:a.toarray()}:n.uniforms[r]={value:a}}object.keys(this.defines).length>0&&(n.defines=this.defines),n.vertexshader=this.vertexshader,n.fragmentshader=this.fragmentshader;let r={};for(let e in this.extensions)!0===this.extensions[e]&&(r[e]=!0);return object.keys(r).length>0&&(n.extensions=r),n}}class if extends rg{constructor(){super(),this.iscamera=!0,this.type="camera",this.matrixworldinverse=new rm,this.projectionmatrix=new rm,this.projectionmatrixinverse=new rm}copy(e,n){return super.copy(e,n),this.matrixworldinverse.copy(e.matrixworldinverse),this.projectionmatrix.copy(e.projectionmatrix),this.projectionmatrixinverse.copy(e.projectionmatrixinverse),this}getworlddirection(e){this.updateworldmatrix(!0,!1);let n=this.matrixworld.elements;return e.set(-n[8],-n[9],-n[10]).normalize()}updatematrixworld(e){super.updatematrixworld(e),this.matrixworldinverse.copy(this.matrixworld).invert()}updateworldmatrix(e,n){super.updateworldmatrix(e,n),this.matrixworldinverse.copy(this.matrixworld).invert()}clone(){return new this.constructor().copy(this)}}class io extends if{constructor(e=50,n=1,r=.1,i=2e3){super(),this.isperspectivecamera=!0,this.type="perspectivecamera",this.fov=e,this.zoom=1,this.near=r,this.far=i,this.focus=10,this.aspect=n,this.view=null,this.filmgauge=35,this.filmoffset=0,this.updateprojectionmatrix()}copy(e,n){return super.copy(e,n),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:object.assign({},e.view),this.filmgauge=e.filmgauge,this.filmoffset=e.filmoffset,this}setfocallength(e){let n=.5*this.getfilmheight()/e;this.fov=2*no*math.atan(n),this.updateprojectionmatrix()}getfocallength(){let e=math.tan(.5*ns*this.fov);return .5*this.getfilmheight()/e}geteffectivefov(){return 2*no*math.atan(math.tan(.5*ns*this.fov)/this.zoom)}getfilmwidth(){return this.filmgauge*math.min(this.aspect,1)}getfilmheight(){return this.filmgauge/math.max(this.aspect,1)}setviewoffset(e,n,r,i,a,s){this.aspect=e/n,null===this.view&&(this.view={enabled:!0,fullwidth:1,fullheight:1,offsetx:0,offsety:0,width:1,height:1}),this.view.enabled=!0,this.view.fullwidth=e,this.view.fullheight=n,this.view.offsetx=r,this.view.offsety=i,this.view.width=a,this.view.height=s,this.updateprojectionmatrix()}clearviewoffset(){null!==this.view&&(this.view.enabled=!1),this.updateprojectionmatrix()}updateprojectionmatrix(){let e=this.near,n=e*math.tan(.5*ns*this.fov)/this.zoom,r=2*n,i=this.aspect*r,a=-.5*i,s=this.view;if(null!==this.view&&this.view.enabled){let e=s.fullwidth,o=s.fullheight;a+=s.offsetx*i/e,n-=s.offsety*r/o,i*=s.width/e,r*=s.height/o}let o=this.filmoffset;0!==o&&(a+=e*o/this.getfilmwidth()),this.projectionmatrix.makeperspective(a,a+i,n,n-r,e,this.far),this.projectionmatrixinverse.copy(this.projectionmatrix).invert()}tojson(e){let n=super.tojson(e);return n.object.fov=this.fov,n.object.zoom=this.zoom,n.object.near=this.near,n.object.far=this.far,n.object.focus=this.focus,n.object.aspect=this.aspect,null!==this.view&&(n.object.view=object.assign({},this.view)),n.object.filmgauge=this.filmgauge,n.object.filmoffset=this.filmoffset,n}}class in extends rg{constructor(e,n,r){super(),this.type="cubecamera",this.rendertarget=r;let i=new io(-90,1,e,n);i.layers=this.layers,i.up.set(0,1,0),i.lookat(1,0,0),this.add(i);let a=new io(-90,1,e,n);a.layers=this.layers,a.up.set(0,1,0),a.lookat(-1,0,0),this.add(a);let s=new io(-90,1,e,n);s.layers=this.layers,s.up.set(0,0,-1),s.lookat(0,1,0),this.add(s);let o=new io(-90,1,e,n);o.layers=this.layers,o.up.set(0,0,1),o.lookat(0,-1,0),this.add(o);let l=new io(-90,1,e,n);l.layers=this.layers,l.up.set(0,1,0),l.lookat(0,0,1),this.add(l);let u=new io(-90,1,e,n);u.layers=this.layers,u.up.set(0,1,0),u.lookat(0,0,-1),this.add(u)}update(e,n){null===this.parent&&this.updatematrixworld();let r=this.rendertarget,[i,a,s,o,l,u]=this.children,c=e.getrendertarget(),h=e.tonemapping,d=e.xr.enabled;e.tonemapping=er,e.xr.enabled=!1;let p=r.texture.generatemipmaps;r.texture.generatemipmaps=!1,e.setrendertarget(r,0),e.render(n,i),e.setrendertarget(r,1),e.render(n,a),e.setrendertarget(r,2),e.render(n,s),e.setrendertarget(r,3),e.render(n,o),e.setrendertarget(r,4),e.render(n,l),r.texture.generatemipmaps=p,e.setrendertarget(r,5),e.render(n,u),e.setrendertarget(c),e.tonemapping=h,e.xr.enabled=d,r.texture.needspmremupdate=!0}}class ik extends ng{constructor(e,n,r,i,a,s,o,l,u,c){super(e=void 0!==e?e:[],n=void 0!==n?n:ec,r,i,a,s,o,l,u,c),this.iscubetexture=!0,this.flipy=!1}get images(){return this.image}set images(e){this.image=e}}class ih extends nz{constructor(e=1,n={}){super(e,e,n),this.iswebglcuberendertarget=!0;let r={width:e,height:e,depth:1};this.texture=new ik([r,r,r,r,r,r],n.mapping,n.wraps,n.wrapt,n.magfilter,n.minfilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isrendertargettexture=!0,this.texture.generatemipmaps=void 0!==n.generatemipmaps&&n.generatemipmaps,this.texture.minfilter=void 0!==n.minfilter?n.minfilter:em}fromequirectangulartexture(e,n){this.texture.type=n.type,this.texture.encoding=n.encoding,this.texture.generatemipmaps=n.generatemipmaps,this.texture.minfilter=n.minfilter,this.texture.magfilter=n.magfilter;let r={uniforms:{tequirect:{value:null}},vertexshader:`

				varying vec3 vworlddirection;

				vec3 transformdirection( in vec3 dir, in mat4 matrix ) {

					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );

				}

				void main() {

					vworlddirection = transformdirection( position, modelmatrix );

					#include <begin_vertex>
					#include <project_vertex>

				}
			`,fragmentshader:`

				uniform sampler2d tequirect;

				varying vec3 vworlddirection;

				#include <common>

				void main() {

					vec3 direction = normalize( vworlddirection );

					vec2 sampleuv = equirectuv( direction );

					gl_fragcolor = texture2d( tequirect, sampleuv );

				}
			`},i=new ib(5,5,5),a=new id({name:"cubemapfromequirect",uniforms:ip(r.uniforms),vertexshader:r.vertexshader,fragmentshader:r.fragmentshader,side:a,blending:s});a.uniforms.tequirect.value=n;let s=new ie(i,a),o=n.minfilter;n.minfilter===ec&&(n.minfilter=em);let l=new in(1,10,this);return l.update(e,s),n.minfilter=o,s.geometry.dispose(),s.material.dispose(),this}clear(e,n,r,i){let a=e.getrendertarget();for(let a=0;a<6;a++)e.setrendertarget(this,a),e.clear(n,r,i);e.setrendertarget(a)}}let ig=new ny,iu=new ny,iz=new nx;class iv{constructor(e=new ny(1,0,0),n=0){this.isplane=!0,this.normal=e,this.constant=n}set(e,n){return this.normal.copy(e),this.constant=n,this}setcomponents(e,n,r,i){return this.normal.set(e,n,r),this.constant=i,this}setfromnormalandcoplanarpoint(e,n){return this.normal.copy(e),this.constant=-n.dot(this.normal),this}setfromcoplanarpoints(e,n,r){let i=ig.subvectors(r,n).cross(iu.subvectors(e,n)).normalize();return this.setfromnormalandcoplanarpoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyscalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distancetopoint(e){return this.normal.dot(e)+this.constant}distancetosphere(e){return this.distancetopoint(e.center)-e.radius}projectpoint(e,n){return n.copy(this.normal).multiplyscalar(-this.distancetopoint(e)).add(e)}intersectline(e,n){let r=e.delta(ig),i=this.normal.dot(r);if(0===i)return 0===this.distancetopoint(e.start)?n.copy(e.start):null;let a=-(e.start.dot(this.normal)+this.constant)/i;return a<0||a>1?null:n.copy(r).multiplyscalar(a).add(e.start)}intersectsline(e){let n=this.distancetopoint(e.start),r=this.distancetopoint(e.end);return n<0&&r>0||r<0&&n>0}intersectsbox(e){return e.intersectsplane(this)}intersectssphere(e){return e.intersectsplane(this)}coplanarpoint(e){return e.copy(this.normal).multiplyscalar(-this.constant)}applymatrix4(e,n){let r=n||iz.getnormalmatrix(e),i=this.coplanarpoint(ig).applymatrix4(e),a=this.normal.applymatrix3(r).normalize();return this.constant=-i.dot(a),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}}let ij=new rs,iw=new ny;class ij{constructor(e=new iv,n=new iv,r=new iv,i=new iv,a=new iv,s=new iv){this.planes=[e,n,r,i,a,s]}set(e,n,r,i,a,s){let o=this.planes;return o[0].copy(e),o[1].copy(n),o[2].copy(r),o[3].copy(i),o[4].copy(a),o[5].copy(s),this}copy(e){let n=this.planes;for(let r=0;r<6;r++)n[r].copy(e.planes[r]);return this}setfromprojectionmatrix(e){let n=this.planes,r=e.elements,i=r[0],a=r[1],s=r[2],o=r[3],l=r[4],u=r[5],c=r[6],h=r[7],d=r[8],p=r[9],f=r[10],m=r[11],g=r[12],v=r[13],y=r[14],x=r[15];return n[0].setcomponents(o-i,h-l,m-d,x-g).normalize(),n[1].setcomponents(o+i,h+l,m+d,x+g).normalize(),n[2].setcomponents(o+a,h+u,m+p,x+v).normalize(),n[3].setcomponents(o-a,h-u,m-p,x-v).normalize(),n[4].setcomponents(o-s,h-c,m-f,x-y).normalize(),n[5].setcomponents(o+s,h+c,m+f,x+y).normalize(),this}intersectsobject(e){let n=e.geometry;return null===n.boundingsphere&&n.computeboundingsphere(),ij.copy(n.boundingsphere).applymatrix4(e.matrixworld),this.intersectssphere(ij)}intersectssprite(e){return ij.center.set(0,0,0),ij.radius=.7071067811865476,ij.applymatrix4(e.matrixworld),this.intersectssphere(ij)}intersectssphere(e){let n=this.planes,r=e.center,i=-e.radius;for(let e=0;e<6;e++){let a=n[e].distancetopoint(r);if(a<i)return!1}return!0}intersectsbox(e){let n=this.planes;for(let r=0;r<6;r++){let i=n[r];if(iw.x=i.normal.x>0?e.max.x:e.min.x,iw.y=i.normal.y>0?e.max.y:e.min.y,iw.z=i.normal.z>0?e.max.z:e.min.z,0>i.distancetopoint(iw))return!1}return!0}containspoint(e){let n=this.planes;for(let r=0;r<6;r++)if(0>n[r].distancetopoint(e))return!1;return!0}clone(){return new this.constructor().copy(this)}}function ix(){let e=null,n=!1,r=null,i=null;function a(n,s){r(n,s),i=e.requestanimationframe(a)}return{start:function(){!0!==n&&null!==r&&(i=e.requestanimationframe(a),n=!0)},stop:function(){e.cancelanimationframe(i),n=!1},setanimationloop:function(e){r=e},setcontext:function(n){e=n}}}function ik(e,n){let r=n.iswebgl2,i=new weakmap;return{get:function(e){return e.isinterleavedbufferattribute&&(e=e.data),i.get(e)},remove:function(n){n.isinterleavedbufferattribute&&(n=n.data);let r=i.get(n);r&&(e.deletebuffer(r.buffer),i.delete(n))},update:function(n,a){if(n.isglbufferattribute){let e=i.get(n);(!e||e.version<n.version)&&i.set(n,{buffer:n.buffer,type:n.type,bytesperelement:n.elementsize,version:n.version});return}n.isinterleavedbufferattribute&&(n=n.data);let s=i.get(n);void 0===s?i.set(n,function(n,i){let a;let s=n.array,o=n.usage,l=e.createbuffer();if(e.bindbuffer(i,l),e.bufferdata(i,s,o),n.onuploadcallback(),s instanceof float32array)a=5126;else if(s instanceof uint16array){if(n.isfloat16bufferattribute){if(r)a=5131;else throw error("three.webglattributes: usage of float16bufferattribute requires webgl2.")}else a=5123}else if(s instanceof int16array)a=5122;else if(s instanceof uint32array)a=5125;else if(s instanceof int32array)a=5124;else if(s instanceof int8array)a=5120;else if(s instanceof uint8array)a=5121;else if(s instanceof uint8clampedarray)a=5121;else throw error("three.webglattributes: unsupported buffer data format: "+s);return{buffer:l,type:a,bytesperelement:s.bytes_per_element,version:n.version}}(n,a)):s.version<n.version&&(!function(n,i,a){let s=i.array,o=i.updaterange;e.bindbuffer(a,n),-1===o.count?e.buffersubdata(a,0,s):(r?e.buffersubdata(a,o.offset*s.bytes_per_element,s,o.offset,o.count):e.buffersubdata(a,o.offset*s.bytes_per_element,s.subarray(o.offset,o.offset+o.count)),o.count=-1),i.onuploadcallback()}(s.buffer,n,a),s.version=n.version)}}}class iy extends id{constructor(e=1,n=1,r=1,i=1){super(),this.type="planegeometry",this.parameters={width:e,height:n,widthsegments:r,heightsegments:i};let a=e/2,s=n/2,o=math.floor(r),l=math.floor(i),u=o+1,c=l+1,h=e/o,d=n/l,p=[],f=[],m=[],g=[];for(let e=0;e<c;e++){let n=e*d-s;for(let r=0;r<u;r++){let i=r*h-a;f.push(i,-n,0),m.push(0,0,1),g.push(r/o),g.push(1-e/l)}}for(let e=0;e<l;e++)for(let n=0;n<o;n++){let r=n+u*e,i=n+u*(e+1),a=n+1+u*(e+1),s=n+1+u*e;p.push(r,i,s),p.push(i,a,s)}this.setindex(p),this.setattribute("position",new ir(f,3)),this.setattribute("normal",new ir(m,3)),this.setattribute("uv",new ir(g,2))}static fromjson(e){return new iy(e.width,e.height,e.widthsegments,e.heightsegments)}}let iq={alphamap_fragment:"#ifdef use_alphamap\n	diffusecolor.a *= texture2d( alphamap, vuv ).g;\n#endif",alphamap_pars_fragment:"#ifdef use_alphamap\n	uniform sampler2d alphamap;\n#endif",alphatest_fragment:"#ifdef use_alphatest\n	if ( diffusecolor.a < alphatest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef use_alphatest\n	uniform float alphatest;\n#endif",aomap_fragment:"#ifdef use_aomap\n	float ambientocclusion = ( texture2d( aomap, vuv2 ).r - 1.0 ) * aomapintensity + 1.0;\n	reflectedlight.indirectdiffuse *= ambientocclusion;\n	#if defined( use_envmap ) && defined( standard )\n		float dotnv = saturate( dot( geometry.normal, geometry.viewdir ) );\n		reflectedlight.indirectspecular *= computespecularocclusion( dotnv, ambientocclusion, material.roughness );\n	#endif\n#endif",aomap_pars_fragment:"#ifdef use_aomap\n	uniform sampler2d aomap;\n	uniform float aomapintensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectnormal = vec3( normal );\n#ifdef use_tangent\n	vec3 objecttangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec3 brdf_lambert( const in vec3 diffusecolor ) {\n	return reciprocal_pi * diffusecolor;\n}\nvec3 f_schlick( const in vec3 f0, const in float f90, const in float dotvh ) {\n	float fresnel = exp2( ( - 5.55473 * dotvh - 6.98316 ) * dotvh );\n	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat f_schlick( const in float f0, const in float f90, const in float dotvh ) {\n	float fresnel = exp2( ( - 5.55473 * dotvh - 6.98316 ) * dotvh );\n	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nvec3 schlick_to_f0( const in vec3 f, const in float f90, const in float dotvh ) {\n    float x = clamp( 1.0 - dotvh, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat v_ggx_smithcorrelated( const in float alpha, const in float dotnl, const in float dotnv ) {\n	float a2 = pow2( alpha );\n	float gv = dotnl * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotnv ) );\n	float gl = dotnv * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotnl ) );\n	return 0.5 / max( gv + gl, epsilon );\n}\nfloat d_ggx( const in float alpha, const in float dotnh ) {\n	float a2 = pow2( alpha );\n	float denom = pow2( dotnh ) * ( a2 - 1.0 ) + 1.0;\n	return reciprocal_pi * a2 / pow2( denom );\n}\nvec3 brdf_ggx( const in vec3 lightdir, const in vec3 viewdir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n	float alpha = pow2( roughness );\n	vec3 halfdir = normalize( lightdir + viewdir );\n	float dotnl = saturate( dot( normal, lightdir ) );\n	float dotnv = saturate( dot( normal, viewdir ) );\n	float dotnh = saturate( dot( normal, halfdir ) );\n	float dotvh = saturate( dot( viewdir, halfdir ) );\n	vec3 f = f_schlick( f0, f90, dotvh );\n	float v = v_ggx_smithcorrelated( alpha, dotnl, dotnv );\n	float d = d_ggx( alpha, dotnh );\n	return f * ( v * d );\n}\n#ifdef use_iridescence\n	vec3 brdf_ggx_iridescence( const in vec3 lightdir, const in vec3 viewdir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescencefresnel, const in float roughness ) {\n		float alpha = pow2( roughness );\n		vec3 halfdir = normalize( lightdir + viewdir );\n		float dotnl = saturate( dot( normal, lightdir ) );\n		float dotnv = saturate( dot( normal, viewdir ) );\n		float dotnh = saturate( dot( normal, halfdir ) );\n		float dotvh = saturate( dot( viewdir, halfdir ) );\n		vec3 f = mix( f_schlick( f0, f90, dotvh ), iridescencefresnel, iridescence );\n		float v = v_ggx_smithcorrelated( alpha, dotnl, dotnv );\n		float d = d_ggx( alpha, dotnh );\n		return f * ( v * d );\n	}\n#endif\nvec2 ltc_uv( const in vec3 n, const in vec3 v, const in float roughness ) {\n	const float lut_size = 64.0;\n	const float lut_scale = ( lut_size - 1.0 ) / lut_size;\n	const float lut_bias = 0.5 / lut_size;\n	float dotnv = saturate( dot( n, v ) );\n	vec2 uv = vec2( roughness, sqrt( 1.0 - dotnv ) );\n	uv = uv * lut_scale + lut_bias;\n	return uv;\n}\nfloat ltc_clippedsphereformfactor( const in vec3 f ) {\n	float l = length( f );\n	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 ltc_edgevectorformfactor( const in vec3 v1, const in vec3 v2 ) {\n	float x = dot( v1, v2 );\n	float y = abs( x );\n	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n	float b = 3.4175940 + ( 4.1616724 + y ) * y;\n	float v = a / b;\n	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n	return cross( v1, v2 ) * theta_sintheta;\n}\nvec3 ltc_evaluate( const in vec3 n, const in vec3 v, const in vec3 p, const in mat3 minv, const in vec3 rectcoords[ 4 ] ) {\n	vec3 v1 = rectcoords[ 1 ] - rectcoords[ 0 ];\n	vec3 v2 = rectcoords[ 3 ] - rectcoords[ 0 ];\n	vec3 lightnormal = cross( v1, v2 );\n	if( dot( lightnormal, p - rectcoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n	vec3 t1, t2;\n	t1 = normalize( v - n * dot( v, n ) );\n	t2 = - cross( n, t1 );\n	mat3 mat = minv * transposemat3( mat3( t1, t2, n ) );\n	vec3 coords[ 4 ];\n	coords[ 0 ] = mat * ( rectcoords[ 0 ] - p );\n	coords[ 1 ] = mat * ( rectcoords[ 1 ] - p );\n	coords[ 2 ] = mat * ( rectcoords[ 2 ] - p );\n	coords[ 3 ] = mat * ( rectcoords[ 3 ] - p );\n	coords[ 0 ] = normalize( coords[ 0 ] );\n	coords[ 1 ] = normalize( coords[ 1 ] );\n	coords[ 2 ] = normalize( coords[ 2 ] );\n	coords[ 3 ] = normalize( coords[ 3 ] );\n	vec3 vectorformfactor = vec3( 0.0 );\n	vectorformfactor += ltc_edgevectorformfactor( coords[ 0 ], coords[ 1 ] );\n	vectorformfactor += ltc_edgevectorformfactor( coords[ 1 ], coords[ 2 ] );\n	vectorformfactor += ltc_edgevectorformfactor( coords[ 2 ], coords[ 3 ] );\n	vectorformfactor += ltc_edgevectorformfactor( coords[ 3 ], coords[ 0 ] );\n	float result = ltc_clippedsphereformfactor( vectorformfactor );\n	return vec3( result );\n}\nfloat g_blinnphong_implicit( ) {\n	return 0.25;\n}\nfloat d_blinnphong( const in float shininess, const in float dotnh ) {\n	return reciprocal_pi * ( shininess * 0.5 + 1.0 ) * pow( dotnh, shininess );\n}\nvec3 brdf_blinnphong( const in vec3 lightdir, const in vec3 viewdir, const in vec3 normal, const in vec3 specularcolor, const in float shininess ) {\n	vec3 halfdir = normalize( lightdir + viewdir );\n	float dotnh = saturate( dot( normal, halfdir ) );\n	float dotvh = saturate( dot( viewdir, halfdir ) );\n	vec3 f = f_schlick( specularcolor, 1.0, dotvh );\n	float g = g_blinnphong_implicit( );\n	float d = d_blinnphong( shininess, dotnh );\n	return f * ( g * d );\n}\n#if defined( use_sheen )\nfloat d_charlie( float roughness, float dotnh ) {\n	float alpha = pow2( roughness );\n	float invalpha = 1.0 / alpha;\n	float cos2h = dotnh * dotnh;\n	float sin2h = max( 1.0 - cos2h, 0.0078125 );\n	return ( 2.0 + invalpha ) * pow( sin2h, invalpha * 0.5 ) / ( 2.0 * pi );\n}\nfloat v_neubelt( float dotnv, float dotnl ) {\n	return saturate( 1.0 / ( 4.0 * ( dotnl + dotnv - dotnl * dotnv ) ) );\n}\nvec3 brdf_sheen( const in vec3 lightdir, const in vec3 viewdir, const in vec3 normal, vec3 sheencolor, const in float sheenroughness ) {\n	vec3 halfdir = normalize( lightdir + viewdir );\n	float dotnl = saturate( dot( normal, lightdir ) );\n	float dotnv = saturate( dot( normal, viewdir ) );\n	float dotnh = saturate( dot( normal, halfdir ) );\n	float d = d_charlie( sheenroughness, dotnh );\n	float v = v_neubelt( dotnv, dotnl );\n	return sheencolor * ( d * v );\n}\n#endif",iridescence_fragment:"#ifdef use_iridescence\n	const mat3 xyz_to_rec709 = mat3(\n		 3.2404542, -0.9692660,  0.0556434,\n		-1.5371385,  1.8760108, -0.2040259,\n		-0.4985314,  0.0415560,  1.0572252\n	);\n	vec3 fresnel0toior( vec3 fresnel0 ) {\n		vec3 sqrtf0 = sqrt( fresnel0 );\n		return ( vec3( 1.0 ) + sqrtf0 ) / ( vec3( 1.0 ) - sqrtf0 );\n	}\n	vec3 iortofresnel0( vec3 transmittedior, float incidentior ) {\n		return pow2( ( transmittedior - vec3( incidentior ) ) / ( transmittedior + vec3( incidentior ) ) );\n	}\n	float iortofresnel0( float transmittedior, float incidentior ) {\n		return pow2( ( transmittedior - incidentior ) / ( transmittedior + incidentior ));\n	}\n	vec3 evalsensitivity( float opd, vec3 shift ) {\n		float phase = 2.0 * pi * opd * 1.0e-9;\n		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n		vec3 xyz = val * sqrt( 2.0 * pi * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n		xyz.x += 9.7470e-14 * sqrt( 2.0 * pi * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n		xyz /= 1.0685e-7;\n		vec3 rgb = xyz_to_rec709 * xyz;\n		return rgb;\n	}\n	vec3 evaliridescence( float outsideior, float eta2, float costheta1, float thinfilmthickness, vec3 basef0 ) {\n		vec3 i;\n		float iridescenceior = mix( outsideior, eta2, smoothstep( 0.0, 0.03, thinfilmthickness ) );\n		float sintheta2sq = pow2( outsideior / iridescenceior ) * ( 1.0 - pow2( costheta1 ) );\n		float costheta2sq = 1.0 - sintheta2sq;\n		if ( costheta2sq < 0.0 ) {\n			 return vec3( 1.0 );\n		}\n		float costheta2 = sqrt( costheta2sq );\n		float r0 = iortofresnel0( iridescenceior, outsideior );\n		float r12 = f_schlick( r0, 1.0, costheta1 );\n		float r21 = r12;\n		float t121 = 1.0 - r12;\n		float phi12 = 0.0;\n		if ( iridescenceior < outsideior ) phi12 = pi;\n		float phi21 = pi - phi12;\n		vec3 baseior = fresnel0toior( clamp( basef0, 0.0, 0.9999 ) );		vec3 r1 = iortofresnel0( baseior, iridescenceior );\n		vec3 r23 = f_schlick( r1, 1.0, costheta2 );\n		vec3 phi23 = vec3( 0.0 );\n		if ( baseior[ 0 ] < iridescenceior ) phi23[ 0 ] = pi;\n		if ( baseior[ 1 ] < iridescenceior ) phi23[ 1 ] = pi;\n		if ( baseior[ 2 ] < iridescenceior ) phi23[ 2 ] = pi;\n		float opd = 2.0 * iridescenceior * thinfilmthickness * costheta2;\n		vec3 phi = vec3( phi21 ) + phi23;\n		vec3 r123 = clamp( r12 * r23, 1e-5, 0.9999 );\n		vec3 r123 = sqrt( r123 );\n		vec3 rs = pow2( t121 ) * r23 / ( vec3( 1.0 ) - r123 );\n		vec3 c0 = r12 + rs;\n		i = c0;\n		vec3 cm = rs - t121;\n		for ( int m = 1; m <= 2; ++ m ) {\n			cm *= r123;\n			vec3 sm = 2.0 * evalsensitivity( float( m ) * opd, float( m ) * phi );\n			i += cm * sm;\n		}\n		return max( i, vec3( 0.0 ) );\n	}\n#endif",bumpmap_pars_fragment:"#ifdef use_bumpmap\n	uniform sampler2d bumpmap;\n	uniform float bumpscale;\n	vec2 dhdxy_fwd() {\n		vec2 dstdx = dfdx( vuv );\n		vec2 dstdy = dfdy( vuv );\n		float hll = bumpscale * texture2d( bumpmap, vuv ).x;\n		float dbx = bumpscale * texture2d( bumpmap, vuv + dstdx ).x - hll;\n		float dby = bumpscale * texture2d( bumpmap, vuv + dstdy ).x - hll;\n		return vec2( dbx, dby );\n	}\n	vec3 perturbnormalarb( vec3 surf_pos, vec3 surf_norm, vec2 dhdxy, float facedirection ) {\n		vec3 vsigmax = dfdx( surf_pos.xyz );\n		vec3 vsigmay = dfdy( surf_pos.xyz );\n		vec3 vn = surf_norm;\n		vec3 r1 = cross( vsigmay, vn );\n		vec3 r2 = cross( vn, vsigmax );\n		float fdet = dot( vsigmax, r1 ) * facedirection;\n		vec3 vgrad = sign( fdet ) * ( dhdxy.x * r1 + dhdxy.y * r2 );\n		return normalize( abs( fdet ) * surf_norm - vgrad );\n	}\n#endif",clipping_planes_fragment:"#if num_clipping_planes > 0\n	vec4 plane;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < union_clipping_planes; i ++ ) {\n		plane = clippingplanes[ i ];\n		if ( dot( vclipposition, plane.xyz ) > plane.w ) discard;\n	}\n	#pragma unroll_loop_end\n	#if union_clipping_planes < num_clipping_planes\n		bool clipped = true;\n		#pragma unroll_loop_start\n		for ( int i = union_clipping_planes; i < num_clipping_planes; i ++ ) {\n			plane = clippingplanes[ i ];\n			clipped = ( dot( vclipposition, plane.xyz ) > plane.w ) && clipped;\n		}\n		#pragma unroll_loop_end\n		if ( clipped ) discard;\n	#endif\n#endif",clipping_planes_pars_fragment:"#if num_clipping_planes > 0\n	varying vec3 vclipposition;\n	uniform vec4 clippingplanes[ num_clipping_planes ];\n#endif",clipping_planes_pars_vertex:"#if num_clipping_planes > 0\n	varying vec3 vclipposition;\n#endif",clipping_planes_vertex:"#if num_clipping_planes > 0\n	vclipposition = - mvposition.xyz;\n#endif",color_fragment:"#if defined( use_color_alpha )\n	diffusecolor *= vcolor;\n#elif defined( use_color )\n	diffusecolor.rgb *= vcolor;\n#endif",color_pars_fragment:"#if defined( use_color_alpha )\n	varying vec4 vcolor;\n#elif defined( use_color )\n	varying vec3 vcolor;\n#endif",color_pars_vertex:"#if defined( use_color_alpha )\n	varying vec4 vcolor;\n#elif defined( use_color ) || defined( use_instancing_color )\n	varying vec3 vcolor;\n#endif",color_vertex:"#if defined( use_color_alpha )\n	vcolor = vec4( 1.0 );\n#elif defined( use_color ) || defined( use_instancing_color )\n	vcolor = vec3( 1.0 );\n#endif\n#ifdef use_color\n	vcolor *= color;\n#endif\n#ifdef use_instancing_color\n	vcolor.xyz *= instancecolor.xyz;\n#endif",common:"#define pi 3.141592653589793\n#define pi2 6.283185307179586\n#define pi_half 1.5707963267948966\n#define reciprocal_pi 0.3183098861837907\n#define reciprocal_pi2 0.15915494309189535\n#define epsilon 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whitecomplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 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 max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n	const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, pi );\n	return fract( sin( sn ) * c );\n}\n#ifdef high_precision\n	float precisionsafelength( vec3 v ) { return length( v ); }\n#else\n	float precisionsafelength( vec3 v ) {\n		float maxcomponent = max3( abs( v ) );\n		return length( v / maxcomponent ) * maxcomponent;\n	}\n#endif\nstruct incidentlight {\n	vec3 color;\n	vec3 direction;\n	bool visible;\n};\nstruct reflectedlight {\n	vec3 directdiffuse;\n	vec3 directspecular;\n	vec3 indirectdiffuse;\n	vec3 indirectspecular;\n};\nstruct geometriccontext {\n	vec3 position;\n	vec3 normal;\n	vec3 viewdir;\n#ifdef use_clearcoat\n	vec3 clearcoatnormal;\n#endif\n};\nvec3 transformdirection( in vec3 dir, in mat4 matrix ) {\n	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inversetransformdirection( in vec3 dir, in mat4 matrix ) {\n	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposemat3( const in mat3 m ) {\n	mat3 tmp;\n	tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n	tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n	tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n	return tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n	const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n	return dot( weights, rgb );\n}\nbool isperspectivematrix( mat4 m ) {\n	return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectuv( in vec3 dir ) {\n	float u = atan( dir.z, dir.x ) * reciprocal_pi2 + 0.5;\n	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * reciprocal_pi + 0.5;\n	return vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef envmap_type_cube_uv\n	#define cubeuv_minmiplevel 4.0\n	#define cubeuv_mintilesize 16.0\n	float getface( vec3 direction ) {\n		vec3 absdirection = abs( direction );\n		float face = - 1.0;\n		if ( absdirection.x > absdirection.z ) {\n			if ( absdirection.x > absdirection.y )\n				face = direction.x > 0.0 ? 0.0 : 3.0;\n			else\n				face = direction.y > 0.0 ? 1.0 : 4.0;\n		} else {\n			if ( absdirection.z > absdirection.y )\n				face = direction.z > 0.0 ? 2.0 : 5.0;\n			else\n				face = direction.y > 0.0 ? 1.0 : 4.0;\n		}\n		return face;\n	}\n	vec2 getuv( vec3 direction, float face ) {\n		vec2 uv;\n		if ( face == 0.0 ) {\n			uv = vec2( direction.z, direction.y ) / abs( direction.x );\n		} else if ( face == 1.0 ) {\n			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n		} else if ( face == 2.0 ) {\n			uv = vec2( - direction.x, direction.y ) / abs( direction.z );\n		} else if ( face == 3.0 ) {\n			uv = vec2( - direction.z, direction.y ) / abs( direction.x );\n		} else if ( face == 4.0 ) {\n			uv = vec2( - direction.x, direction.z ) / abs( direction.y );\n		} else {\n			uv = vec2( direction.x, direction.y ) / abs( direction.z );\n		}\n		return 0.5 * ( uv + 1.0 );\n	}\n	vec3 bilinearcubeuv( sampler2d envmap, vec3 direction, float mipint ) {\n		float face = getface( direction );\n		float filterint = max( cubeuv_minmiplevel - mipint, 0.0 );\n		mipint = max( mipint, cubeuv_minmiplevel );\n		float facesize = exp2( mipint );\n		highp vec2 uv = getuv( direction, face ) * ( facesize - 2.0 ) + 1.0;\n		if ( face > 2.0 ) {\n			uv.y += facesize;\n			face -= 3.0;\n		}\n		uv.x += face * facesize;\n		uv.x += filterint * 3.0 * cubeuv_mintilesize;\n		uv.y += 4.0 * ( exp2( cubeuv_max_mip ) - facesize );\n		uv.x *= cubeuv_texel_width;\n		uv.y *= cubeuv_texel_height;\n		#ifdef texture2dgradext\n			return texture2dgradext( envmap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n		#else\n			return texture2d( envmap, uv ).rgb;\n		#endif\n	}\n	#define cubeuv_r0 1.0\n	#define cubeuv_v0 0.339\n	#define cubeuv_m0 - 2.0\n	#define cubeuv_r1 0.8\n	#define cubeuv_v1 0.276\n	#define cubeuv_m1 - 1.0\n	#define cubeuv_r4 0.4\n	#define cubeuv_v4 0.046\n	#define cubeuv_m4 2.0\n	#define cubeuv_r5 0.305\n	#define cubeuv_v5 0.016\n	#define cubeuv_m5 3.0\n	#define cubeuv_r6 0.21\n	#define cubeuv_v6 0.0038\n	#define cubeuv_m6 4.0\n	float roughnesstomip( float roughness ) {\n		float mip = 0.0;\n		if ( roughness >= cubeuv_r1 ) {\n			mip = ( cubeuv_r0 - roughness ) * ( cubeuv_m1 - cubeuv_m0 ) / ( cubeuv_r0 - cubeuv_r1 ) + cubeuv_m0;\n		} else if ( roughness >= cubeuv_r4 ) {\n			mip = ( cubeuv_r1 - roughness ) * ( cubeuv_m4 - cubeuv_m1 ) / ( cubeuv_r1 - cubeuv_r4 ) + cubeuv_m1;\n		} else if ( roughness >= cubeuv_r5 ) {\n			mip = ( cubeuv_r4 - roughness ) * ( cubeuv_m5 - cubeuv_m4 ) / ( cubeuv_r4 - cubeuv_r5 ) + cubeuv_m4;\n		} else if ( roughness >= cubeuv_r6 ) {\n			mip = ( cubeuv_r5 - roughness ) * ( cubeuv_m6 - cubeuv_m5 ) / ( cubeuv_r5 - cubeuv_r6 ) + cubeuv_m5;\n		} else {\n			mip = - 2.0 * log2( 1.16 * roughness );		}\n		return mip;\n	}\n	vec4 texturecubeuv( sampler2d envmap, vec3 sampledir, float roughness ) {\n		float mip = clamp( roughnesstomip( roughness ), cubeuv_m0, cubeuv_max_mip );\n		float mipf = fract( mip );\n		float mipint = floor( mip );\n		vec3 color0 = bilinearcubeuv( envmap, sampledir, mipint );\n		if ( mipf == 0.0 ) {\n			return vec4( color0, 1.0 );\n		} else {\n			vec3 color1 = bilinearcubeuv( envmap, sampledir, mipint + 1.0 );\n			return vec4( mix( color0, color1, mipf ), 1.0 );\n		}\n	}\n#endif",defaultnormal_vertex:"vec3 transformednormal = objectnormal;\n#ifdef use_instancing\n	mat3 m = mat3( instancematrix );\n	transformednormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n	transformednormal = m * transformednormal;\n#endif\ntransformednormal = normalmatrix * transformednormal;\n#ifdef flip_sided\n	transformednormal = - transformednormal;\n#endif\n#ifdef use_tangent\n	vec3 transformedtangent = ( modelviewmatrix * vec4( objecttangent, 0.0 ) ).xyz;\n	#ifdef flip_sided\n		transformedtangent = - transformedtangent;\n	#endif\n#endif",displacementmap_pars_vertex:"#ifdef use_displacementmap\n	uniform sampler2d displacementmap;\n	uniform float displacementscale;\n	uniform float displacementbias;\n#endif",displacementmap_vertex:"#ifdef use_displacementmap\n	transformed += normalize( objectnormal ) * ( texture2d( displacementmap, vuv ).x * displacementscale + displacementbias );\n#endif",emissivemap_fragment:"#ifdef use_emissivemap\n	vec4 emissivecolor = texture2d( emissivemap, vuv );\n	totalemissiveradiance *= emissivecolor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef use_emissivemap\n	uniform sampler2d emissivemap;\n#endif",encodings_fragment:"gl_fragcolor = lineartooutputtexel( gl_fragcolor );",encodings_pars_fragment:"vec4 lineartolinear( in vec4 value ) {\n	return value;\n}\nvec4 lineartosrgb( in vec4 value ) {\n	return 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.a );\n}",envmap_fragment:"#ifdef use_envmap\n	#ifdef env_worldpos\n		vec3 cameratofrag;\n		if ( isorthographic ) {\n			cameratofrag = normalize( vec3( - viewmatrix[ 0 ][ 2 ], - viewmatrix[ 1 ][ 2 ], - viewmatrix[ 2 ][ 2 ] ) );\n		} else {\n			cameratofrag = normalize( vworldposition - cameraposition );\n		}\n		vec3 worldnormal = inversetransformdirection( normal, viewmatrix );\n		#ifdef envmap_mode_reflection\n			vec3 reflectvec = reflect( cameratofrag, worldnormal );\n		#else\n			vec3 reflectvec = refract( cameratofrag, worldnormal, refractionratio );\n		#endif\n	#else\n		vec3 reflectvec = vreflect;\n	#endif\n	#ifdef envmap_type_cube\n		vec4 envcolor = texturecube( envmap, vec3( flipenvmap * reflectvec.x, reflectvec.yz ) );\n	#else\n		vec4 envcolor = vec4( 0.0 );\n	#endif\n	#ifdef envmap_blending_multiply\n		outgoinglight = mix( outgoinglight, outgoinglight * envcolor.xyz, specularstrength * reflectivity );\n	#elif defined( envmap_blending_mix )\n		outgoinglight = mix( outgoinglight, envcolor.xyz, specularstrength * reflectivity );\n	#elif defined( envmap_blending_add )\n		outgoinglight += envcolor.xyz * specularstrength * reflectivity;\n	#endif\n#endif",envmap_common_pars_fragment:"#ifdef use_envmap\n	uniform float envmapintensity;\n	uniform float flipenvmap;\n	#ifdef envmap_type_cube\n		uniform samplercube envmap;\n	#else\n		uniform sampler2d envmap;\n	#endif\n	\n#endif",envmap_pars_fragment:"#ifdef use_envmap\n	uniform float reflectivity;\n	#if defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong ) || defined( lambert )\n		#define env_worldpos\n	#endif\n	#ifdef env_worldpos\n		varying vec3 vworldposition;\n		uniform float refractionratio;\n	#else\n		varying vec3 vreflect;\n	#endif\n#endif",envmap_pars_vertex:"#ifdef use_envmap\n	#if defined( use_bumpmap ) || defined( use_normalmap ) || defined( phong ) || defined( lambert )\n		#define env_worldpos\n	#endif\n	#ifdef env_worldpos\n		\n		varying vec3 vworldposition;\n	#else\n		varying vec3 vreflect;\n		uniform float refractionratio;\n	#endif\n#endif",envmap_physical_pars_fragment:"#if defined( use_envmap )\n	vec3 getiblirradiance( const in vec3 normal ) {\n		#if defined( envmap_type_cube_uv )\n			vec3 worldnormal = inversetransformdirection( normal, viewmatrix );\n			vec4 envmapcolor = texturecubeuv( envmap, worldnormal, 1.0 );\n			return pi * envmapcolor.rgb * envmapintensity;\n		#else\n			return vec3( 0.0 );\n		#endif\n	}\n	vec3 getiblradiance( const in vec3 viewdir, const in vec3 normal, const in float roughness ) {\n		#if defined( envmap_type_cube_uv )\n			vec3 reflectvec = reflect( - viewdir, normal );\n			reflectvec = normalize( mix( reflectvec, normal, roughness * roughness) );\n			reflectvec = inversetransformdirection( reflectvec, viewmatrix );\n			vec4 envmapcolor = texturecubeuv( envmap, reflectvec, roughness );\n			return envmapcolor.rgb * envmapintensity;\n		#else\n			return vec3( 0.0 );\n		#endif\n	}\n#endif",envmap_vertex:"#ifdef use_envmap\n	#ifdef env_worldpos\n		vworldposition = worldposition.xyz;\n	#else\n		vec3 cameratovertex;\n		if ( isorthographic ) {\n			cameratovertex = normalize( vec3( - viewmatrix[ 0 ][ 2 ], - viewmatrix[ 1 ][ 2 ], - viewmatrix[ 2 ][ 2 ] ) );\n		} else {\n			cameratovertex = normalize( worldposition.xyz - cameraposition );\n		}\n		vec3 worldnormal = inversetransformdirection( transformednormal, viewmatrix );\n		#ifdef envmap_mode_reflection\n			vreflect = reflect( cameratovertex, worldnormal );\n		#else\n			vreflect = refract( cameratovertex, worldnormal, refractionratio );\n		#endif\n	#endif\n#endif",fog_vertex:"#ifdef use_fog\n	vfogdepth = - mvposition.z;\n#endif",fog_pars_vertex:"#ifdef use_fog\n	varying float vfogdepth;\n#endif",fog_fragment:"#ifdef use_fog\n	#ifdef fog_exp2\n		float fogfactor = 1.0 - exp( - fogdensity * fogdensity * vfogdepth * vfogdepth );\n	#else\n		float fogfactor = smoothstep( fognear, fogfar, vfogdepth );\n	#endif\n	gl_fragcolor.rgb = mix( gl_fragcolor.rgb, fogcolor, fogfactor );\n#endif",fog_pars_fragment:"#ifdef use_fog\n	uniform vec3 fogcolor;\n	varying float vfogdepth;\n	#ifdef fog_exp2\n		uniform float fogdensity;\n	#else\n		uniform float fognear;\n		uniform float fogfar;\n	#endif\n#endif",gradientmap_pars_fragment:"#ifdef use_gradientmap\n	uniform sampler2d gradientmap;\n#endif\nvec3 getgradientirradiance( vec3 normal, vec3 lightdirection ) {\n	float dotnl = dot( normal, lightdirection );\n	vec2 coord = vec2( dotnl * 0.5 + 0.5, 0.0 );\n	#ifdef use_gradientmap\n		return vec3( texture2d( gradientmap, coord ).r );\n	#else\n		vec2 fw = fwidth( coord ) * 0.5;\n		return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n	#endif\n}",lightmap_fragment:"#ifdef use_lightmap\n	vec4 lightmaptexel = texture2d( lightmap, vuv2 );\n	vec3 lightmapirradiance = lightmaptexel.rgb * lightmapintensity;\n	reflectedlight.indirectdiffuse += lightmapirradiance;\n#endif",lightmap_pars_fragment:"#ifdef use_lightmap\n	uniform sampler2d lightmap;\n	uniform float lightmapintensity;\n#endif",lights_lambert_fragment:"lambertmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb;\nmaterial.specularstrength = specularstrength;",lights_lambert_pars_fragment:"varying vec3 vviewposition;\nstruct lambertmaterial {\n	vec3 diffusecolor;\n	float specularstrength;\n};\nvoid re_direct_lambert( const in incidentlight directlight, const in geometriccontext geometry, const in lambertmaterial material, inout reflectedlight reflectedlight ) {\n	float dotnl = saturate( dot( geometry.normal, directlight.direction ) );\n	vec3 irradiance = dotnl * directlight.color;\n	reflectedlight.directdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\nvoid re_indirectdiffuse_lambert( const in vec3 irradiance, const in geometriccontext geometry, const in lambertmaterial material, inout reflectedlight reflectedlight ) {\n	reflectedlight.indirectdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\n#define re_direct				re_direct_lambert\n#define re_indirectdiffuse		re_indirectdiffuse_lambert",lights_pars_begin:"uniform bool receiveshadow;\nuniform vec3 ambientlightcolor;\nuniform vec3 lightprobe[ 9 ];\nvec3 shgetirradianceat( in vec3 normal, in vec3 shcoefficients[ 9 ] ) {\n	float x = normal.x, y = normal.y, z = normal.z;\n	vec3 result = shcoefficients[ 0 ] * 0.886227;\n	result += shcoefficients[ 1 ] * 2.0 * 0.511664 * y;\n	result += shcoefficients[ 2 ] * 2.0 * 0.511664 * z;\n	result += shcoefficients[ 3 ] * 2.0 * 0.511664 * x;\n	result += shcoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n	result += shcoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n	result += shcoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n	result += shcoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n	result += shcoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n	return result;\n}\nvec3 getlightprobeirradiance( const in vec3 lightprobe[ 9 ], const in vec3 normal ) {\n	vec3 worldnormal = inversetransformdirection( normal, viewmatrix );\n	vec3 irradiance = shgetirradianceat( worldnormal, lightprobe );\n	return irradiance;\n}\nvec3 getambientlightirradiance( const in vec3 ambientlightcolor ) {\n	vec3 irradiance = ambientlightcolor;\n	return irradiance;\n}\nfloat getdistanceattenuation( const in float lightdistance, const in float cutoffdistance, const in float decayexponent ) {\n	#if defined ( physically_correct_lights )\n		float distancefalloff = 1.0 / max( pow( lightdistance, decayexponent ), 0.01 );\n		if ( cutoffdistance > 0.0 ) {\n			distancefalloff *= pow2( saturate( 1.0 - pow4( lightdistance / cutoffdistance ) ) );\n		}\n		return distancefalloff;\n	#else\n		if ( cutoffdistance > 0.0 && decayexponent > 0.0 ) {\n			return pow( saturate( - lightdistance / cutoffdistance + 1.0 ), decayexponent );\n		}\n		return 1.0;\n	#endif\n}\nfloat getspotattenuation( const in float conecosine, const in float penumbracosine, const in float anglecosine ) {\n	return smoothstep( conecosine, penumbracosine, anglecosine );\n}\n#if num_dir_lights > 0\n	struct directionallight {\n		vec3 direction;\n		vec3 color;\n	};\n	uniform directionallight directionallights[ num_dir_lights ];\n	void getdirectionallightinfo( const in directionallight directionallight, const in geometriccontext geometry, out incidentlight light ) {\n		light.color = directionallight.color;\n		light.direction = directionallight.direction;\n		light.visible = true;\n	}\n#endif\n#if num_point_lights > 0\n	struct pointlight {\n		vec3 position;\n		vec3 color;\n		float distance;\n		float decay;\n	};\n	uniform pointlight pointlights[ num_point_lights ];\n	void getpointlightinfo( const in pointlight pointlight, const in geometriccontext geometry, out incidentlight light ) {\n		vec3 lvector = pointlight.position - geometry.position;\n		light.direction = normalize( lvector );\n		float lightdistance = length( lvector );\n		light.color = pointlight.color;\n		light.color *= getdistanceattenuation( lightdistance, pointlight.distance, pointlight.decay );\n		light.visible = ( light.color != vec3( 0.0 ) );\n	}\n#endif\n#if num_spot_lights > 0\n	struct spotlight {\n		vec3 position;\n		vec3 direction;\n		vec3 color;\n		float distance;\n		float decay;\n		float conecos;\n		float penumbracos;\n	};\n	uniform spotlight spotlights[ num_spot_lights ];\n	void getspotlightinfo( const in spotlight spotlight, const in geometriccontext geometry, out incidentlight light ) {\n		vec3 lvector = spotlight.position - geometry.position;\n		light.direction = normalize( lvector );\n		float anglecos = dot( light.direction, spotlight.direction );\n		float spotattenuation = getspotattenuation( spotlight.conecos, spotlight.penumbracos, anglecos );\n		if ( spotattenuation > 0.0 ) {\n			float lightdistance = length( lvector );\n			light.color = spotlight.color * spotattenuation;\n			light.color *= getdistanceattenuation( lightdistance, spotlight.distance, spotlight.decay );\n			light.visible = ( light.color != vec3( 0.0 ) );\n		} else {\n			light.color = vec3( 0.0 );\n			light.visible = false;\n		}\n	}\n#endif\n#if num_rect_area_lights > 0\n	struct rectarealight {\n		vec3 color;\n		vec3 position;\n		vec3 halfwidth;\n		vec3 halfheight;\n	};\n	uniform sampler2d ltc_1;	uniform sampler2d ltc_2;\n	uniform rectarealight rectarealights[ num_rect_area_lights ];\n#endif\n#if num_hemi_lights > 0\n	struct hemispherelight {\n		vec3 direction;\n		vec3 skycolor;\n		vec3 groundcolor;\n	};\n	uniform hemispherelight hemispherelights[ num_hemi_lights ];\n	vec3 gethemispherelightirradiance( const in hemispherelight hemilight, const in vec3 normal ) {\n		float dotnl = dot( normal, hemilight.direction );\n		float hemidiffuseweight = 0.5 * dotnl + 0.5;\n		vec3 irradiance = mix( hemilight.groundcolor, hemilight.skycolor, hemidiffuseweight );\n		return irradiance;\n	}\n#endif",lights_toon_fragment:"toonmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb;",lights_toon_pars_fragment:"varying vec3 vviewposition;\nstruct toonmaterial {\n	vec3 diffusecolor;\n};\nvoid re_direct_toon( const in incidentlight directlight, const in geometriccontext geometry, const in toonmaterial material, inout reflectedlight reflectedlight ) {\n	vec3 irradiance = getgradientirradiance( geometry.normal, directlight.direction ) * directlight.color;\n	reflectedlight.directdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\nvoid re_indirectdiffuse_toon( const in vec3 irradiance, const in geometriccontext geometry, const in toonmaterial material, inout reflectedlight reflectedlight ) {\n	reflectedlight.indirectdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\n#define re_direct				re_direct_toon\n#define re_indirectdiffuse		re_indirectdiffuse_toon",lights_phong_fragment:"blinnphongmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb;\nmaterial.specularcolor = specular;\nmaterial.specularshininess = shininess;\nmaterial.specularstrength = specularstrength;",lights_phong_pars_fragment:"varying vec3 vviewposition;\nstruct blinnphongmaterial {\n	vec3 diffusecolor;\n	vec3 specularcolor;\n	float specularshininess;\n	float specularstrength;\n};\nvoid re_direct_blinnphong( const in incidentlight directlight, const in geometriccontext geometry, const in blinnphongmaterial material, inout reflectedlight reflectedlight ) {\n	float dotnl = saturate( dot( geometry.normal, directlight.direction ) );\n	vec3 irradiance = dotnl * directlight.color;\n	reflectedlight.directdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n	reflectedlight.directspecular += irradiance * brdf_blinnphong( directlight.direction, geometry.viewdir, geometry.normal, 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	reflectedlight.indirectdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\n#define re_direct				re_direct_blinnphong\n#define re_indirectdiffuse		re_indirectdiffuse_blinnphong",lights_physical_fragment:"physicalmaterial material;\nmaterial.diffusecolor = diffusecolor.rgb * ( 1.0 - metalnessfactor );\nvec3 dxy = max( abs( dfdx( geometrynormal ) ), abs( dfdy( geometrynormal ) ) );\nfloat geometryroughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessfactor, 0.0525 );material.roughness += geometryroughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef ior\n	material.ior = ior;\n	#ifdef specular\n		float specularintensityfactor = specularintensity;\n		vec3 specularcolorfactor = specularcolor;\n		#ifdef use_specularintensitymap\n			specularintensityfactor *= texture2d( specularintensitymap, vuv ).a;\n		#endif\n		#ifdef use_specularcolormap\n			specularcolorfactor *= texture2d( specularcolormap, vuv ).rgb;\n		#endif\n		material.specularf90 = mix( specularintensityfactor, 1.0, metalnessfactor );\n	#else\n		float specularintensityfactor = 1.0;\n		vec3 specularcolorfactor = vec3( 1.0 );\n		material.specularf90 = 1.0;\n	#endif\n	material.specularcolor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularcolorfactor, vec3( 1.0 ) ) * specularintensityfactor, diffusecolor.rgb, metalnessfactor );\n#else\n	material.specularcolor = mix( vec3( 0.04 ), diffusecolor.rgb, metalnessfactor );\n	material.specularf90 = 1.0;\n#endif\n#ifdef use_clearcoat\n	material.clearcoat = clearcoat;\n	material.clearcoatroughness = clearcoatroughness;\n	material.clearcoatf0 = vec3( 0.04 );\n	material.clearcoatf90 = 1.0;\n	#ifdef use_clearcoatmap\n		material.clearcoat *= texture2d( clearcoatmap, vuv ).x;\n	#endif\n	#ifdef use_clearcoat_roughnessmap\n		material.clearcoatroughness *= texture2d( clearcoatroughnessmap, vuv ).y;\n	#endif\n	material.clearcoat = saturate( material.clearcoat );	material.clearcoatroughness = max( material.clearcoatroughness, 0.0525 );\n	material.clearcoatroughness += geometryroughness;\n	material.clearcoatroughness = min( material.clearcoatroughness, 1.0 );\n#endif\n#ifdef use_iridescence\n	material.iridescence = iridescence;\n	material.iridescenceior = iridescenceior;\n	#ifdef use_iridescencemap\n		material.iridescence *= texture2d( iridescencemap, vuv ).r;\n	#endif\n	#ifdef use_iridescence_thicknessmap\n		material.iridescencethickness = (iridescencethicknessmaximum - iridescencethicknessminimum) * texture2d( iridescencethicknessmap, vuv ).g + iridescencethicknessminimum;\n	#else\n		material.iridescencethickness = iridescencethicknessmaximum;\n	#endif\n#endif\n#ifdef use_sheen\n	material.sheencolor = sheencolor;\n	#ifdef use_sheencolormap\n		material.sheencolor *= texture2d( sheencolormap, vuv ).rgb;\n	#endif\n	material.sheenroughness = clamp( sheenroughness, 0.07, 1.0 );\n	#ifdef use_sheenroughnessmap\n		material.sheenroughness *= texture2d( sheenroughnessmap, vuv ).a;\n	#endif\n#endif",lights_physical_pars_fragment:"struct physicalmaterial {\n	vec3 diffusecolor;\n	float roughness;\n	vec3 specularcolor;\n	float specularf90;\n	#ifdef use_clearcoat\n		float clearcoat;\n		float clearcoatroughness;\n		vec3 clearcoatf0;\n		float clearcoatf90;\n	#endif\n	#ifdef use_iridescence\n		float iridescence;\n		float iridescenceior;\n		float iridescencethickness;\n		vec3 iridescencefresnel;\n		vec3 iridescencef0;\n	#endif\n	#ifdef use_sheen\n		vec3 sheencolor;\n		float sheenroughness;\n	#endif\n	#ifdef ior\n		float ior;\n	#endif\n	#ifdef use_transmission\n		float transmission;\n		float transmissionalpha;\n		float thickness;\n		float attenuationdistance;\n		vec3 attenuationcolor;\n	#endif\n};\nvec3 clearcoatspecular = vec3( 0.0 );\nvec3 sheenspecular = vec3( 0.0 );\nfloat iblsheenbrdf( const in vec3 normal, const in vec3 viewdir, const in float roughness ) {\n	float dotnv = saturate( dot( normal, viewdir ) );\n	float r2 = roughness * roughness;\n	float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n	float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n	float dg = exp( a * dotnv + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n	return saturate( dg * reciprocal_pi );\n}\nvec2 dfgapprox( const in vec3 normal, const in vec3 viewdir, const in float roughness ) {\n	float dotnv = saturate( dot( normal, viewdir ) );\n	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n	vec4 r = roughness * c0 + c1;\n	float a004 = min( r.x * r.x, exp2( - 9.28 * dotnv ) ) * r.x + r.y;\n	vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n	return fab;\n}\nvec3 environmentbrdf( const in vec3 normal, const in vec3 viewdir, const in vec3 specularcolor, const in float specularf90, const in float roughness ) {\n	vec2 fab = dfgapprox( normal, viewdir, roughness );\n	return specularcolor * fab.x + specularf90 * fab.y;\n}\n#ifdef use_iridescence\nvoid computemultiscatteringiridescence( const in vec3 normal, const in vec3 viewdir, const in vec3 specularcolor, const in float specularf90, const in float iridescence, const in vec3 iridescencef0, const in float roughness, inout vec3 singlescatter, inout vec3 multiscatter ) {\n#else\nvoid computemultiscattering( const in vec3 normal, const in vec3 viewdir, const in vec3 specularcolor, const in float specularf90, const in float roughness, inout vec3 singlescatter, inout vec3 multiscatter ) {\n#endif\n	vec2 fab = dfgapprox( normal, viewdir, roughness );\n	#ifdef use_iridescence\n		vec3 fr = mix( specularcolor, iridescencef0, iridescence );\n	#else\n		vec3 fr = specularcolor;\n	#endif\n	vec3 fssess = fr * fab.x + specularf90 * fab.y;\n	float ess = fab.x + fab.y;\n	float ems = 1.0 - ess;\n	vec3 favg = fr + ( 1.0 - fr ) * 0.047619;	vec3 fms = fssess * favg / ( 1.0 - ems * favg );\n	singlescatter += fssess;\n	multiscatter += fms * ems;\n}\n#if num_rect_area_lights > 0\n	void re_direct_rectarea_physical( const in rectarealight rectarealight, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n		vec3 normal = geometry.normal;\n		vec3 viewdir = geometry.viewdir;\n		vec3 position = geometry.position;\n		vec3 lightpos = rectarealight.position;\n		vec3 halfwidth = rectarealight.halfwidth;\n		vec3 halfheight = rectarealight.halfheight;\n		vec3 lightcolor = rectarealight.color;\n		float roughness = material.roughness;\n		vec3 rectcoords[ 4 ];\n		rectcoords[ 0 ] = lightpos + halfwidth - halfheight;		rectcoords[ 1 ] = lightpos - halfwidth - halfheight;\n		rectcoords[ 2 ] = lightpos - halfwidth + halfheight;\n		rectcoords[ 3 ] = lightpos + halfwidth + halfheight;\n		vec2 uv = ltc_uv( normal, viewdir, roughness );\n		vec4 t1 = texture2d( ltc_1, uv );\n		vec4 t2 = texture2d( ltc_2, uv );\n		mat3 minv = mat3(\n			vec3( t1.x, 0, t1.y ),\n			vec3(    0, 1,    0 ),\n			vec3( t1.z, 0, t1.w )\n		);\n		vec3 fresnel = ( material.specularcolor * t2.x + ( vec3( 1.0 ) - material.specularcolor ) * t2.y );\n		reflectedlight.directspecular += lightcolor * fresnel * ltc_evaluate( normal, viewdir, position, minv, rectcoords );\n		reflectedlight.directdiffuse += lightcolor * material.diffusecolor * ltc_evaluate( normal, viewdir, position, mat3( 1.0 ), rectcoords );\n	}\n#endif\nvoid re_direct_physical( const in incidentlight directlight, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n	float dotnl = saturate( dot( geometry.normal, directlight.direction ) );\n	vec3 irradiance = dotnl * directlight.color;\n	#ifdef use_clearcoat\n		float dotnlcc = saturate( dot( geometry.clearcoatnormal, directlight.direction ) );\n		vec3 ccirradiance = dotnlcc * directlight.color;\n		clearcoatspecular += ccirradiance * brdf_ggx( directlight.direction, geometry.viewdir, geometry.clearcoatnormal, material.clearcoatf0, material.clearcoatf90, material.clearcoatroughness );\n	#endif\n	#ifdef use_sheen\n		sheenspecular += irradiance * brdf_sheen( directlight.direction, geometry.viewdir, geometry.normal, material.sheencolor, material.sheenroughness );\n	#endif\n	#ifdef use_iridescence\n		reflectedlight.directspecular += irradiance * brdf_ggx_iridescence( directlight.direction, geometry.viewdir, geometry.normal, material.specularcolor, material.specularf90, material.iridescence, material.iridescencefresnel, material.roughness );\n	#else\n		reflectedlight.directspecular += irradiance * brdf_ggx( directlight.direction, geometry.viewdir, geometry.normal, material.specularcolor, material.specularf90, material.roughness );\n	#endif\n	reflectedlight.directdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\nvoid re_indirectdiffuse_physical( const in vec3 irradiance, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight ) {\n	reflectedlight.indirectdiffuse += irradiance * brdf_lambert( material.diffusecolor );\n}\nvoid re_indirectspecular_physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatradiance, const in geometriccontext geometry, const in physicalmaterial material, inout reflectedlight reflectedlight) {\n	#ifdef use_clearcoat\n		clearcoatspecular += clearcoatradiance * environmentbrdf( geometry.clearcoatnormal, geometry.viewdir, material.clearcoatf0, material.clearcoatf90, material.clearcoatroughness );\n	#endif\n	#ifdef use_sheen\n		sheenspecular += irradiance * material.sheencolor * iblsheenbrdf( geometry.normal, geometry.viewdir, material.sheenroughness );\n	#endif\n	vec3 singlescattering = vec3( 0.0 );\n	vec3 multiscattering = vec3( 0.0 );\n	vec3 cosineweightedirradiance = irradiance * reciprocal_pi;\n	#ifdef use_iridescence\n		computemultiscatteringiridescence( geometry.normal, geometry.viewdir, material.specularcolor, material.specularf90, material.iridescence, material.iridescencefresnel, material.roughness, singlescattering, multiscattering );\n	#else\n		computemultiscattering( geometry.normal, geometry.viewdir, material.specularcolor, material.specularf90, material.roughness, singlescattering, multiscattering );\n	#endif\n	vec3 totalscattering = singlescattering + multiscattering;\n	vec3 diffuse = material.diffusecolor * ( 1.0 - max( max( totalscattering.r, totalscattering.g ), totalscattering.b ) );\n	reflectedlight.indirectspecular += radiance * singlescattering;\n	reflectedlight.indirectspecular += multiscattering * cosineweightedirradiance;\n	reflectedlight.indirectdiffuse += diffuse * cosineweightedirradiance;\n}\n#define re_direct				re_direct_physical\n#define re_direct_rectarea		re_direct_rectarea_physical\n#define re_indirectdiffuse		re_indirectdiffuse_physical\n#define re_indirectspecular		re_indirectspecular_physical\nfloat computespecularocclusion( const in float dotnv, const in float ambientocclusion, const in float roughness ) {\n	return saturate( pow( dotnv + ambientocclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientocclusion );\n}",lights_fragment_begin:"\ngeometriccontext geometry;\ngeometry.position = - vviewposition;\ngeometry.normal = normal;\ngeometry.viewdir = ( isorthographic ) ? vec3( 0, 0, 1 ) : normalize( vviewposition );\n#ifdef use_clearcoat\n	geometry.clearcoatnormal = clearcoatnormal;\n#endif\n#ifdef use_iridescence\n	float dotnvi = saturate( dot( normal, geometry.viewdir ) );\n	if ( material.iridescencethickness == 0.0 ) {\n		material.iridescence = 0.0;\n	} else {\n		material.iridescence = saturate( material.iridescence );\n	}\n	if ( material.iridescence > 0.0 ) {\n		material.iridescencefresnel = evaliridescence( 1.0, material.iridescenceior, dotnvi, material.iridescencethickness, material.specularcolor );\n		material.iridescencef0 = schlick_to_f0( material.iridescencefresnel, 1.0, dotnvi );\n	}\n#endif\nincidentlight directlight;\n#if ( num_point_lights > 0 ) && defined( re_direct )\n	pointlight pointlight;\n	#if defined( use_shadowmap ) && num_point_light_shadows > 0\n	pointlightshadow pointlightshadow;\n	#endif\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_point_lights; i ++ ) {\n		pointlight = pointlights[ i ];\n		getpointlightinfo( pointlight, geometry, directlight );\n		#if defined( use_shadowmap ) && ( unrolled_loop_index < num_point_light_shadows )\n		pointlightshadow = pointlightshadows[ i ];\n		directlight.color *= ( directlight.visible && receiveshadow ) ? getpointshadow( pointshadowmap[ i ], pointlightshadow.shadowmapsize, pointlightshadow.shadowbias, pointlightshadow.shadowradius, vpointshadowcoord[ i ], pointlightshadow.shadowcameranear, pointlightshadow.shadowcamerafar ) : 1.0;\n		#endif\n		re_direct( directlight, geometry, material, reflectedlight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if ( num_spot_lights > 0 ) && defined( re_direct )\n	spotlight spotlight;\n	vec4 spotcolor;\n	vec3 spotlightcoord;\n	bool inspotlightmap;\n	#if defined( use_shadowmap ) && num_spot_light_shadows > 0\n	spotlightshadow spotlightshadow;\n	#endif\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_spot_lights; i ++ ) {\n		spotlight = spotlights[ i ];\n		getspotlightinfo( spotlight, geometry, directlight );\n		#if ( unrolled_loop_index < num_spot_light_shadows_with_maps )\n		#define spot_light_map_index unrolled_loop_index\n		#elif ( unrolled_loop_index < num_spot_light_shadows )\n		#define spot_light_map_index num_spot_light_maps\n		#else\n		#define spot_light_map_index ( unrolled_loop_index - num_spot_light_shadows + num_spot_light_shadows_with_maps )\n		#endif\n		#if ( spot_light_map_index < num_spot_light_maps )\n			spotlightcoord = vspotlightcoord[ i ].xyz / vspotlightcoord[ i ].w;\n			inspotlightmap = all( lessthan( abs( spotlightcoord * 2. - 1. ), vec3( 1.0 ) ) );\n			spotcolor = texture2d( spotlightmap[ spot_light_map_index ], spotlightcoord.xy );\n			directlight.color = inspotlightmap ? directlight.color * spotcolor.rgb : directlight.color;\n		#endif\n		#undef spot_light_map_index\n		#if defined( use_shadowmap ) && ( unrolled_loop_index < num_spot_light_shadows )\n		spotlightshadow = spotlightshadows[ i ];\n		directlight.color *= ( directlight.visible && receiveshadow ) ? getshadow( spotshadowmap[ i ], spotlightshadow.shadowmapsize, spotlightshadow.shadowbias, spotlightshadow.shadowradius, vspotlightcoord[ i ] ) : 1.0;\n		#endif\n		re_direct( directlight, geometry, material, reflectedlight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if ( num_dir_lights > 0 ) && defined( re_direct )\n	directionallight directionallight;\n	#if defined( use_shadowmap ) && num_dir_light_shadows > 0\n	directionallightshadow directionallightshadow;\n	#endif\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_dir_lights; i ++ ) {\n		directionallight = directionallights[ i ];\n		getdirectionallightinfo( directionallight, geometry, directlight );\n		#if defined( use_shadowmap ) && ( unrolled_loop_index < num_dir_light_shadows )\n		directionallightshadow = directionallightshadows[ i ];\n		directlight.color *= ( directlight.visible && receiveshadow ) ? getshadow( directionalshadowmap[ i ], directionallightshadow.shadowmapsize, directionallightshadow.shadowbias, directionallightshadow.shadowradius, vdirectionalshadowcoord[ i ] ) : 1.0;\n		#endif\n		re_direct( directlight, geometry, material, reflectedlight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if ( num_rect_area_lights > 0 ) && defined( re_direct_rectarea )\n	rectarealight rectarealight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_rect_area_lights; i ++ ) {\n		rectarealight = rectarealights[ i ];\n		re_direct_rectarea( rectarealight, geometry, material, reflectedlight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if defined( re_indirectdiffuse )\n	vec3 iblirradiance = vec3( 0.0 );\n	vec3 irradiance = getambientlightirradiance( ambientlightcolor );\n	irradiance += getlightprobeirradiance( lightprobe, geometry.normal );\n	#if ( num_hemi_lights > 0 )\n		#pragma unroll_loop_start\n		for ( int i = 0; i < num_hemi_lights; i ++ ) {\n			irradiance += gethemispherelightirradiance( hemispherelights[ i ], geometry.normal );\n		}\n		#pragma unroll_loop_end\n	#endif\n#endif\n#if defined( re_indirectspecular )\n	vec3 radiance = vec3( 0.0 );\n	vec3 clearcoatradiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( re_indirectdiffuse )\n	#ifdef use_lightmap\n		vec4 lightmaptexel = texture2d( lightmap, vuv2 );\n		vec3 lightmapirradiance = lightmaptexel.rgb * lightmapintensity;\n		irradiance += lightmapirradiance;\n	#endif\n	#if defined( use_envmap ) && defined( standard ) && defined( envmap_type_cube_uv )\n		iblirradiance += getiblirradiance( geometry.normal );\n	#endif\n#endif\n#if defined( use_envmap ) && defined( re_indirectspecular )\n	radiance += getiblradiance( geometry.viewdir, geometry.normal, material.roughness );\n	#ifdef use_clearcoat\n		clearcoatradiance += getiblradiance( geometry.viewdir, geometry.clearcoatnormal, material.clearcoatroughness );\n	#endif\n#endif",lights_fragment_end:"#if defined( re_indirectdiffuse )\n	re_indirectdiffuse( irradiance, geometry, material, reflectedlight );\n#endif\n#if defined( re_indirectspecular )\n	re_indirectspecular( radiance, iblirradiance, clearcoatradiance, geometry, material, reflectedlight );\n#endif",logdepthbuf_fragment:"#if defined( use_logdepthbuf ) && defined( use_logdepthbuf_ext )\n	gl_fragdepthext = visperspective == 0.0 ? gl_fragcoord.z : log2( vfragdepth ) * logdepthbuffc * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( use_logdepthbuf ) && defined( use_logdepthbuf_ext )\n	uniform float logdepthbuffc;\n	varying float vfragdepth;\n	varying float visperspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef use_logdepthbuf\n	#ifdef use_logdepthbuf_ext\n		varying float vfragdepth;\n		varying float visperspective;\n	#else\n		uniform float logdepthbuffc;\n	#endif\n#endif",logdepthbuf_vertex:"#ifdef use_logdepthbuf\n	#ifdef use_logdepthbuf_ext\n		vfragdepth = 1.0 + gl_position.w;\n		visperspective = float( isperspectivematrix( projectionmatrix ) );\n	#else\n		if ( isperspectivematrix( projectionmatrix ) ) {\n			gl_position.z = log2( max( epsilon, gl_position.w + 1.0 ) ) * logdepthbuffc - 1.0;\n			gl_position.z *= gl_position.w;\n		}\n	#endif\n#endif",map_fragment:"#ifdef use_map\n	vec4 sampleddiffusecolor = texture2d( map, vuv );\n	#ifdef decode_video_texture\n		sampleddiffusecolor = vec4( mix( pow( sampleddiffusecolor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampleddiffusecolor.rgb * 0.0773993808, vec3( lessthanequal( sampleddiffusecolor.rgb, vec3( 0.04045 ) ) ) ), sampleddiffusecolor.w );\n	#endif\n	diffusecolor *= sampleddiffusecolor;\n#endif",map_pars_fragment:"#ifdef use_map\n	uniform sampler2d map;\n#endif",map_particle_fragment:"#if defined( use_map ) || defined( use_alphamap )\n	vec2 uv = ( uvtransform * vec3( gl_pointcoord.x, 1.0 - gl_pointcoord.y, 1 ) ).xy;\n#endif\n#ifdef use_map\n	diffusecolor *= texture2d( map, uv );\n#endif\n#ifdef use_alphamap\n	diffusecolor.a *= texture2d( alphamap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( use_map ) || defined( use_alphamap )\n	uniform mat3 uvtransform;\n#endif\n#ifdef use_map\n	uniform sampler2d map;\n#endif\n#ifdef use_alphamap\n	uniform sampler2d alphamap;\n#endif",metalnessmap_fragment:"float metalnessfactor = metalness;\n#ifdef use_metalnessmap\n	vec4 texelmetalness = texture2d( metalnessmap, vuv );\n	metalnessfactor *= texelmetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef use_metalnessmap\n	uniform sampler2d metalnessmap;\n#endif",morphcolor_vertex:"#if defined( use_morphcolors ) && defined( morphtargets_texture )\n	vcolor *= morphtargetbaseinfluence;\n	for ( int i = 0; i < morphtargets_count; i ++ ) {\n		#if defined( use_color_alpha )\n			if ( morphtargetinfluences[ i ] != 0.0 ) vcolor += getmorph( gl_vertexid, i, 2 ) * morphtargetinfluences[ i ];\n		#elif defined( use_color )\n			if ( morphtargetinfluences[ i ] != 0.0 ) vcolor += getmorph( gl_vertexid, i, 2 ).rgb * morphtargetinfluences[ i ];\n		#endif\n	}\n#endif",morphnormal_vertex:"#ifdef use_morphnormals\n	objectnormal *= morphtargetbaseinfluence;\n	#ifdef morphtargets_texture\n		for ( int i = 0; i < morphtargets_count; i ++ ) {\n			if ( morphtargetinfluences[ i ] != 0.0 ) objectnormal += getmorph( gl_vertexid, i, 1 ).xyz * morphtargetinfluences[ i ];\n		}\n	#else\n		objectnormal += morphnormal0 * morphtargetinfluences[ 0 ];\n		objectnormal += morphnormal1 * morphtargetinfluences[ 1 ];\n		objectnormal += morphnormal2 * morphtargetinfluences[ 2 ];\n		objectnormal += morphnormal3 * morphtargetinfluences[ 3 ];\n	#endif\n#endif",morphtarget_pars_vertex:"#ifdef use_morphtargets\n	uniform float morphtargetbaseinfluence;\n	#ifdef morphtargets_texture\n		uniform float morphtargetinfluences[ morphtargets_count ];\n		uniform sampler2darray morphtargetstexture;\n		uniform ivec2 morphtargetstexturesize;\n		vec4 getmorph( const in int vertexindex, const in int morphtargetindex, const in int offset ) {\n			int texelindex = vertexindex * morphtargets_texture_stride + offset;\n			int y = texelindex / morphtargetstexturesize.x;\n			int x = texelindex - y * morphtargetstexturesize.x;\n			ivec3 morphuv = ivec3( x, y, morphtargetindex );\n			return texelfetch( morphtargetstexture, morphuv, 0 );\n		}\n	#else\n		#ifndef use_morphnormals\n			uniform float morphtargetinfluences[ 8 ];\n		#else\n			uniform float morphtargetinfluences[ 4 ];\n		#endif\n	#endif\n#endif",morphtarget_vertex:"#ifdef use_morphtargets\n	transformed *= morphtargetbaseinfluence;\n	#ifdef morphtargets_texture\n		for ( int i = 0; i < morphtargets_count; i ++ ) {\n			if ( morphtargetinfluences[ i ] != 0.0 ) transformed += getmorph( gl_vertexid, i, 0 ).xyz * morphtargetinfluences[ i ];\n		}\n	#else\n		transformed += morphtarget0 * morphtargetinfluences[ 0 ];\n		transformed += morphtarget1 * morphtargetinfluences[ 1 ];\n		transformed += morphtarget2 * morphtargetinfluences[ 2 ];\n		transformed += morphtarget3 * morphtargetinfluences[ 3 ];\n		#ifndef use_morphnormals\n			transformed += morphtarget4 * morphtargetinfluences[ 4 ];\n			transformed += morphtarget5 * morphtargetinfluences[ 5 ];\n			transformed += morphtarget6 * morphtargetinfluences[ 6 ];\n			transformed += morphtarget7 * morphtargetinfluences[ 7 ];\n		#endif\n	#endif\n#endif",normal_fragment_begin:"float facedirection = gl_frontfacing ? 1.0 : - 1.0;\n#ifdef flat_shaded\n	vec3 fdx = dfdx( vviewposition );\n	vec3 fdy = dfdy( vviewposition );\n	vec3 normal = normalize( cross( fdx, fdy ) );\n#else\n	vec3 normal = normalize( vnormal );\n	#ifdef double_sided\n		normal = normal * facedirection;\n	#endif\n	#ifdef use_tangent\n		vec3 tangent = normalize( vtangent );\n		vec3 bitangent = normalize( vbitangent );\n		#ifdef double_sided\n			tangent = tangent * facedirection;\n			bitangent = bitangent * facedirection;\n		#endif\n		#if defined( tangentspace_normalmap ) || defined( use_clearcoat_normalmap )\n			mat3 vtbn = mat3( tangent, bitangent, normal );\n		#endif\n	#endif\n#endif\nvec3 geometrynormal = normal;",normal_fragment_maps:"#ifdef objectspace_normalmap\n	normal = texture2d( normalmap, vuv ).xyz * 2.0 - 1.0;\n	#ifdef flip_sided\n		normal = - normal;\n	#endif\n	#ifdef double_sided\n		normal = normal * facedirection;\n	#endif\n	normal = normalize( normalmatrix * normal );\n#elif defined( tangentspace_normalmap )\n	vec3 mapn = texture2d( normalmap, vuv ).xyz * 2.0 - 1.0;\n	mapn.xy *= normalscale;\n	#ifdef use_tangent\n		normal = normalize( vtbn * mapn );\n	#else\n		normal = perturbnormal2arb( - vviewposition, normal, mapn, facedirection );\n	#endif\n#elif defined( use_bumpmap )\n	normal = perturbnormalarb( - vviewposition, normal, dhdxy_fwd(), facedirection );\n#endif",normal_pars_fragment:"#ifndef flat_shaded\n	varying vec3 vnormal;\n	#ifdef use_tangent\n		varying vec3 vtangent;\n		varying vec3 vbitangent;\n	#endif\n#endif",normal_pars_vertex:"#ifndef flat_shaded\n	varying vec3 vnormal;\n	#ifdef use_tangent\n		varying vec3 vtangent;\n		varying vec3 vbitangent;\n	#endif\n#endif",normal_vertex:"#ifndef flat_shaded\n	vnormal = normalize( transformednormal );\n	#ifdef use_tangent\n		vtangent = normalize( transformedtangent );\n		vbitangent = normalize( cross( vnormal, vtangent ) * tangent.w );\n	#endif\n#endif",normalmap_pars_fragment:"#ifdef use_normalmap\n	uniform sampler2d normalmap;\n	uniform vec2 normalscale;\n#endif\n#ifdef objectspace_normalmap\n	uniform mat3 normalmatrix;\n#endif\n#if ! defined ( use_tangent ) && ( defined ( tangentspace_normalmap ) || defined ( use_clearcoat_normalmap ) )\n	vec3 perturbnormal2arb( vec3 eye_pos, vec3 surf_norm, vec3 mapn, float facedirection ) {\n		vec3 q0 = dfdx( eye_pos.xyz );\n		vec3 q1 = dfdy( eye_pos.xyz );\n		vec2 st0 = dfdx( vuv.st );\n		vec2 st1 = dfdy( vuv.st );\n		vec3 n = surf_norm;\n		vec3 q1perp = cross( q1, n );\n		vec3 q0perp = cross( n, q0 );\n		vec3 t = q1perp * st0.x + q0perp * st1.x;\n		vec3 b = q1perp * st0.y + q0perp * st1.y;\n		float det = max( dot( t, t ), dot( b, b ) );\n		float scale = ( det == 0.0 ) ? 0.0 : facedirection * inversesqrt( det );\n		return normalize( t * ( mapn.x * scale ) + b * ( mapn.y * scale ) + n * mapn.z );\n	}\n#endif",clearcoat_normal_fragment_begin:"#ifdef use_clearcoat\n	vec3 clearcoatnormal = geometrynormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef use_clearcoat_normalmap\n	vec3 clearcoatmapn = texture2d( clearcoatnormalmap, vuv ).xyz * 2.0 - 1.0;\n	clearcoatmapn.xy *= clearcoatnormalscale;\n	#ifdef use_tangent\n		clearcoatnormal = normalize( vtbn * clearcoatmapn );\n	#else\n		clearcoatnormal = perturbnormal2arb( - vviewposition, clearcoatnormal, clearcoatmapn, facedirection );\n	#endif\n#endif",clearcoat_pars_fragment:"#ifdef use_clearcoatmap\n	uniform sampler2d clearcoatmap;\n#endif\n#ifdef use_clearcoat_roughnessmap\n	uniform sampler2d clearcoatroughnessmap;\n#endif\n#ifdef use_clearcoat_normalmap\n	uniform sampler2d clearcoatnormalmap;\n	uniform vec2 clearcoatnormalscale;\n#endif",iridescence_pars_fragment:"#ifdef use_iridescencemap\n	uniform sampler2d iridescencemap;\n#endif\n#ifdef use_iridescence_thicknessmap\n	uniform sampler2d iridescencethicknessmap;\n#endif",output_fragment:"#ifdef opaque\ndiffusecolor.a = 1.0;\n#endif\n#ifdef use_transmission\ndiffusecolor.a *= material.transmissionalpha + 0.1;\n#endif\ngl_fragcolor = vec4( outgoinglight, diffusecolor.a );",packing:"vec3 packnormaltorgb( const in vec3 normal ) {\n	return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackrgbtonormal( const in vec3 rgb ) {\n	return 2.0 * rgb.xyz - 1.0;\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	vec4 r = vec4( fract( v * packfactors ), v );\n	r.yzw -= r.xyz * shiftright8;	return r * packupscale;\n}\nfloat unpackrgbatodepth( const in vec4 v ) {\n	return dot( v, unpackfactors );\n}\nvec2 packdepthtorg( in highp float v ) {\n	return packdepthtorgba( v ).yx;\n}\nfloat unpackrgtodepth( const in highp vec2 v ) {\n	return unpackrgbatodepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2halftorgba( vec2 v ) {\n	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackrgbato2half( vec4 v ) {\n	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewztoorthographicdepth( const in float viewz, const in float near, const in float far ) {\n	return ( viewz + near ) / ( near - far );\n}\nfloat orthographicdepthtoviewz( const in float linearclipz, const in float near, const in float far ) {\n	return linearclipz * ( near - far ) - near;\n}\nfloat viewztoperspectivedepth( const in float viewz, const in float near, const in float far ) {\n	return ( ( near + viewz ) * far ) / ( ( far - near ) * viewz );\n}\nfloat perspectivedepthtoviewz( const in float invclipz, const in float near, const in float far ) {\n	return ( near * far ) / ( ( far - near ) * invclipz - far );\n}",premultiplied_alpha_fragment:"#ifdef premultiplied_alpha\n	gl_fragcolor.rgb *= gl_fragcolor.a;\n#endif",project_vertex:"vec4 mvposition = vec4( transformed, 1.0 );\n#ifdef use_instancing\n	mvposition = instancematrix * mvposition;\n#endif\nmvposition = modelviewmatrix * mvposition;\ngl_position = projectionmatrix * mvposition;",dithering_fragment:"#ifdef dithering\n	gl_fragcolor.rgb = dithering( gl_fragcolor.rgb );\n#endif",dithering_pars_fragment:"#ifdef dithering\n	vec3 dithering( vec3 color ) {\n		float grid_position = rand( gl_fragcoord.xy );\n		vec3 dither_shift_rgb = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n		dither_shift_rgb = mix( 2.0 * dither_shift_rgb, -2.0 * dither_shift_rgb, grid_position );\n		return color + dither_shift_rgb;\n	}\n#endif",roughnessmap_fragment:"float roughnessfactor = roughness;\n#ifdef use_roughnessmap\n	vec4 texelroughness = texture2d( roughnessmap, vuv );\n	roughnessfactor *= texelroughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef use_roughnessmap\n	uniform sampler2d roughnessmap;\n#endif",shadowmap_pars_fragment:"#if num_spot_light_coords > 0\n  varying vec4 vspotlightcoord[ num_spot_light_coords ];\n#endif\n#if num_spot_light_maps > 0\n  uniform sampler2d spotlightmap[ num_spot_light_maps ];\n#endif\n#ifdef use_shadowmap\n	#if num_dir_light_shadows > 0\n		uniform sampler2d directionalshadowmap[ num_dir_light_shadows ];\n		varying vec4 vdirectionalshadowcoord[ num_dir_light_shadows ];\n		struct directionallightshadow {\n			float shadowbias;\n			float shadownormalbias;\n			float shadowradius;\n			vec2 shadowmapsize;\n		};\n		uniform directionallightshadow directionallightshadows[ num_dir_light_shadows ];\n	#endif\n	#if num_spot_light_shadows > 0\n		uniform sampler2d spotshadowmap[ num_spot_light_shadows ];\n		struct spotlightshadow {\n			float shadowbias;\n			float shadownormalbias;\n			float shadowradius;\n			vec2 shadowmapsize;\n		};\n		uniform spotlightshadow spotlightshadows[ num_spot_light_shadows ];\n	#endif\n	#if num_point_light_shadows > 0\n		uniform sampler2d pointshadowmap[ num_point_light_shadows ];\n		varying vec4 vpointshadowcoord[ num_point_light_shadows ];\n		struct pointlightshadow {\n			float shadowbias;\n			float shadownormalbias;\n			float shadowradius;\n			vec2 shadowmapsize;\n			float shadowcameranear;\n			float shadowcamerafar;\n		};\n		uniform pointlightshadow pointlightshadows[ num_point_light_shadows ];\n	#endif\n	float texture2dcompare( sampler2d depths, vec2 uv, float compare ) {\n		return step( compare, unpackrgbatodepth( texture2d( depths, uv ) ) );\n	}\n	vec2 texture2ddistribution( sampler2d shadow, vec2 uv ) {\n		return unpackrgbato2half( texture2d( shadow, uv ) );\n	}\n	float vsmshadow (sampler2d shadow, vec2 uv, float compare ){\n		float occlusion = 1.0;\n		vec2 distribution = texture2ddistribution( shadow, uv );\n		float hard_shadow = step( compare , distribution.x );\n		if (hard_shadow != 1.0 ) {\n			float distance = compare - distribution.x ;\n			float variance = max( 0.00000, distribution.y * distribution.y );\n			float softness_probability = variance / (variance + distance * distance );			softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );			occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n		}\n		return occlusion;\n	}\n	float getshadow( sampler2d shadowmap, vec2 shadowmapsize, float shadowbias, float shadowradius, vec4 shadowcoord ) {\n		float shadow = 1.0;\n		shadowcoord.xyz /= shadowcoord.w;\n		shadowcoord.z += shadowbias;\n		bool infrustum = shadowcoord.x >= 0.0 && shadowcoord.x <= 1.0 && shadowcoord.y >= 0.0 && shadowcoord.y <= 1.0;\n		bool frustumtest = infrustum && shadowcoord.z <= 1.0;\n		if ( frustumtest ) {\n		#if defined( shadowmap_type_pcf )\n			vec2 texelsize = vec2( 1.0 ) / shadowmapsize;\n			float dx0 = - texelsize.x * shadowradius;\n			float dy0 = - texelsize.y * shadowradius;\n			float dx1 = + texelsize.x * shadowradius;\n			float dy1 = + texelsize.y * shadowradius;\n			float dx2 = dx0 / 2.0;\n			float dy2 = dy0 / 2.0;\n			float dx3 = dx1 / 2.0;\n			float dy3 = dy1 / 2.0;\n			shadow = (\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx0, dy0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( 0.0, dy0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx1, dy0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx2, dy2 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( 0.0, dy2 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx3, dy2 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx0, 0.0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx2, 0.0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy, shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx3, 0.0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx1, 0.0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx2, dy3 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( 0.0, dy3 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx3, dy3 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx0, dy1 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( 0.0, dy1 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, shadowcoord.xy + vec2( dx1, dy1 ), shadowcoord.z )\n			) * ( 1.0 / 17.0 );\n		#elif defined( shadowmap_type_pcf_soft )\n			vec2 texelsize = vec2( 1.0 ) / shadowmapsize;\n			float dx = texelsize.x;\n			float dy = texelsize.y;\n			vec2 uv = shadowcoord.xy;\n			vec2 f = fract( uv * shadowmapsize + 0.5 );\n			uv -= f * texelsize;\n			shadow = (\n				texture2dcompare( shadowmap, uv, shadowcoord.z ) +\n				texture2dcompare( shadowmap, uv + vec2( dx, 0.0 ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, uv + vec2( 0.0, dy ), shadowcoord.z ) +\n				texture2dcompare( shadowmap, uv + texelsize, shadowcoord.z ) +\n				mix( texture2dcompare( shadowmap, uv + vec2( -dx, 0.0 ), shadowcoord.z ),\n					 texture2dcompare( shadowmap, uv + vec2( 2.0 * dx, 0.0 ), shadowcoord.z ),\n					 f.x ) +\n				mix( texture2dcompare( shadowmap, uv + vec2( -dx, dy ), shadowcoord.z ),\n					 texture2dcompare( shadowmap, uv + vec2( 2.0 * dx, dy ), shadowcoord.z ),\n					 f.x ) +\n				mix( texture2dcompare( shadowmap, uv + vec2( 0.0, -dy ), shadowcoord.z ),\n					 texture2dcompare( shadowmap, uv + vec2( 0.0, 2.0 * dy ), shadowcoord.z ),\n					 f.y ) +\n				mix( texture2dcompare( shadowmap, uv + vec2( dx, -dy ), shadowcoord.z ),\n					 texture2dcompare( shadowmap, uv + vec2( dx, 2.0 * dy ), shadowcoord.z ),\n					 f.y ) +\n				mix( mix( texture2dcompare( shadowmap, uv + vec2( -dx, -dy ), shadowcoord.z ),\n						  texture2dcompare( shadowmap, uv + vec2( 2.0 * dx, -dy ), shadowcoord.z ),\n						  f.x ),\n					 mix( texture2dcompare( shadowmap, uv + vec2( -dx, 2.0 * dy ), shadowcoord.z ),\n						  texture2dcompare( shadowmap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowcoord.z ),\n						  f.x ),\n					 f.y )\n			) * ( 1.0 / 9.0 );\n		#elif defined( shadowmap_type_vsm )\n			shadow = vsmshadow( shadowmap, shadowcoord.xy, shadowcoord.z );\n		#else\n			shadow = texture2dcompare( shadowmap, shadowcoord.xy, shadowcoord.z );\n		#endif\n		}\n		return shadow;\n	}\n	vec2 cubetouv( vec3 v, float texelsizey ) {\n		vec3 absv = abs( v );\n		float scaletocube = 1.0 / max( absv.x, max( absv.y, absv.z ) );\n		absv *= scaletocube;\n		v *= scaletocube * ( 1.0 - 2.0 * texelsizey );\n		vec2 planar = v.xy;\n		float almostatexel = 1.5 * texelsizey;\n		float almostone = 1.0 - almostatexel;\n		if ( absv.z >= almostone ) {\n			if ( v.z > 0.0 )\n				planar.x = 4.0 - v.x;\n		} else if ( absv.x >= almostone ) {\n			float signx = sign( v.x );\n			planar.x = v.z * signx + 2.0 * signx;\n		} else if ( absv.y >= almostone ) {\n			float signy = sign( v.y );\n			planar.x = v.x + 2.0 * signy + 2.0;\n			planar.y = v.z * signy - 2.0;\n		}\n		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n	}\n	float getpointshadow( sampler2d shadowmap, vec2 shadowmapsize, float shadowbias, float shadowradius, vec4 shadowcoord, float shadowcameranear, float shadowcamerafar ) {\n		vec2 texelsize = vec2( 1.0 ) / ( shadowmapsize * vec2( 4.0, 2.0 ) );\n		vec3 lighttoposition = shadowcoord.xyz;\n		float dp = ( length( lighttoposition ) - shadowcameranear ) / ( shadowcamerafar - shadowcameranear );		dp += shadowbias;\n		vec3 bd3d = normalize( lighttoposition );\n		#if defined( shadowmap_type_pcf ) || defined( shadowmap_type_pcf_soft ) || defined( shadowmap_type_vsm )\n			vec2 offset = vec2( - 1, 1 ) * shadowradius * texelsize.y;\n			return (\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.xyy, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.yyy, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.xyx, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.yyx, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.xxy, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.yxy, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.xxx, texelsize.y ), dp ) +\n				texture2dcompare( shadowmap, cubetouv( bd3d + offset.yxx, texelsize.y ), dp )\n			) * ( 1.0 / 9.0 );\n		#else\n			return texture2dcompare( shadowmap, cubetouv( bd3d, texelsize.y ), dp );\n		#endif\n	}\n#endif",shadowmap_pars_vertex:"#if num_spot_light_coords > 0\n  uniform mat4 spotlightmatrix[ num_spot_light_coords ];\n  varying vec4 vspotlightcoord[ num_spot_light_coords ];\n#endif\n#ifdef use_shadowmap\n	#if num_dir_light_shadows > 0\n		uniform mat4 directionalshadowmatrix[ num_dir_light_shadows ];\n		varying vec4 vdirectionalshadowcoord[ num_dir_light_shadows ];\n		struct directionallightshadow {\n			float shadowbias;\n			float shadownormalbias;\n			float shadowradius;\n			vec2 shadowmapsize;\n		};\n		uniform directionallightshadow directionallightshadows[ num_dir_light_shadows ];\n	#endif\n	#if num_spot_light_shadows > 0\n		struct spotlightshadow {\n			float shadowbias;\n			float shadownormalbias;\n			float shadowradius;\n			vec2 shadowmapsize;\n		};\n		uniform spotlightshadow spotlightshadows[ num_spot_light_shadows ];\n	#endif\n	#if num_point_light_shadows > 0\n		uniform mat4 pointshadowmatrix[ num_point_light_shadows ];\n		varying vec4 vpointshadowcoord[ num_point_light_shadows ];\n		struct pointlightshadow {\n			float shadowbias;\n			float shadownormalbias;\n			float shadowradius;\n			vec2 shadowmapsize;\n			float shadowcameranear;\n			float shadowcamerafar;\n		};\n		uniform pointlightshadow pointlightshadows[ num_point_light_shadows ];\n	#endif\n#endif",shadowmap_vertex:"#if ( defined( use_shadowmap ) && ( num_dir_light_shadows > 0 || num_point_light_shadows > 0 ) ) || ( num_spot_light_coords > 0 )\n	vec3 shadowworldnormal = inversetransformdirection( transformednormal, viewmatrix );\n	vec4 shadowworldposition;\n#endif\n#if defined( use_shadowmap )\n	#if num_dir_light_shadows > 0\n		#pragma unroll_loop_start\n		for ( int i = 0; i < num_dir_light_shadows; i ++ ) {\n			shadowworldposition = worldposition + vec4( shadowworldnormal * directionallightshadows[ i ].shadownormalbias, 0 );\n			vdirectionalshadowcoord[ i ] = directionalshadowmatrix[ i ] * shadowworldposition;\n		}\n		#pragma unroll_loop_end\n	#endif\n	#if num_point_light_shadows > 0\n		#pragma unroll_loop_start\n		for ( int i = 0; i < num_point_light_shadows; i ++ ) {\n			shadowworldposition = worldposition + vec4( shadowworldnormal * pointlightshadows[ i ].shadownormalbias, 0 );\n			vpointshadowcoord[ i ] = pointshadowmatrix[ i ] * shadowworldposition;\n		}\n		#pragma unroll_loop_end\n	#endif\n#endif\n#if num_spot_light_coords > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_spot_light_coords; i ++ ) {\n		shadowworldposition = worldposition;\n		#if ( defined( use_shadowmap ) && unrolled_loop_index < num_spot_light_shadows )\n			shadowworldposition.xyz += shadowworldnormal * spotlightshadows[ i ].shadownormalbias;\n		#endif\n		vspotlightcoord[ i ] = spotlightmatrix[ i ] * shadowworldposition;\n	}\n	#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getshadowmask() {\n	float shadow = 1.0;\n	#ifdef use_shadowmap\n	#if num_dir_light_shadows > 0\n	directionallightshadow directionallight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_dir_light_shadows; i ++ ) {\n		directionallight = directionallightshadows[ i ];\n		shadow *= receiveshadow ? getshadow( directionalshadowmap[ i ], directionallight.shadowmapsize, directionallight.shadowbias, directionallight.shadowradius, vdirectionalshadowcoord[ i ] ) : 1.0;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#if num_spot_light_shadows > 0\n	spotlightshadow spotlight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_spot_light_shadows; i ++ ) {\n		spotlight = spotlightshadows[ i ];\n		shadow *= receiveshadow ? getshadow( spotshadowmap[ i ], spotlight.shadowmapsize, spotlight.shadowbias, spotlight.shadowradius, vspotlightcoord[ i ] ) : 1.0;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#if num_point_light_shadows > 0\n	pointlightshadow pointlight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < num_point_light_shadows; i ++ ) {\n		pointlight = pointlightshadows[ i ];\n		shadow *= receiveshadow ? getpointshadow( pointshadowmap[ i ], pointlight.shadowmapsize, pointlight.shadowbias, pointlight.shadowradius, vpointshadowcoord[ i ], pointlight.shadowcameranear, pointlight.shadowcamerafar ) : 1.0;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#endif\n	return shadow;\n}",skinbase_vertex:"#ifdef use_skinning\n	mat4 bonematx = getbonematrix( skinindex.x );\n	mat4 bonematy = getbonematrix( skinindex.y );\n	mat4 bonematz = getbonematrix( skinindex.z );\n	mat4 bonematw = getbonematrix( skinindex.w );\n#endif",skinning_pars_vertex:"#ifdef use_skinning\n	uniform mat4 bindmatrix;\n	uniform mat4 bindmatrixinverse;\n	uniform highp sampler2d bonetexture;\n	uniform int bonetexturesize;\n	mat4 getbonematrix( const in float i ) {\n		float j = i * 4.0;\n		float x = mod( j, float( bonetexturesize ) );\n		float y = floor( j / float( bonetexturesize ) );\n		float dx = 1.0 / float( bonetexturesize );\n		float dy = 1.0 / float( bonetexturesize );\n		y = dy * ( y + 0.5 );\n		vec4 v1 = texture2d( bonetexture, vec2( dx * ( x + 0.5 ), y ) );\n		vec4 v2 = texture2d( bonetexture, vec2( dx * ( x + 1.5 ), y ) );\n		vec4 v3 = texture2d( bonetexture, vec2( dx * ( x + 2.5 ), y ) );\n		vec4 v4 = texture2d( bonetexture, vec2( dx * ( x + 3.5 ), y ) );\n		mat4 bone = mat4( v1, v2, v3, v4 );\n		return bone;\n	}\n#endif",skinning_vertex:"#ifdef use_skinning\n	vec4 skinvertex = bindmatrix * vec4( transformed, 1.0 );\n	vec4 skinned = vec4( 0.0 );\n	skinned += bonematx * skinvertex * skinweight.x;\n	skinned += bonematy * skinvertex * skinweight.y;\n	skinned += bonematz * skinvertex * skinweight.z;\n	skinned += bonematw * skinvertex * skinweight.w;\n	transformed = ( bindmatrixinverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef use_skinning\n	mat4 skinmatrix = mat4( 0.0 );\n	skinmatrix += skinweight.x * bonematx;\n	skinmatrix += skinweight.y * bonematy;\n	skinmatrix += skinweight.z * bonematz;\n	skinmatrix += skinweight.w * bonematw;\n	skinmatrix = bindmatrixinverse * skinmatrix * bindmatrix;\n	objectnormal = vec4( skinmatrix * vec4( objectnormal, 0.0 ) ).xyz;\n	#ifdef use_tangent\n		objecttangent = vec4( skinmatrix * vec4( objecttangent, 0.0 ) ).xyz;\n	#endif\n#endif",specularmap_fragment:"float specularstrength;\n#ifdef use_specularmap\n	vec4 texelspecular = texture2d( specularmap, vuv );\n	specularstrength = texelspecular.r;\n#else\n	specularstrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef use_specularmap\n	uniform sampler2d specularmap;\n#endif",tonemapping_fragment:"#if defined( tone_mapping )\n	gl_fragcolor.rgb = tonemapping( gl_fragcolor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float tonemappingexposure;\nvec3 lineartonemapping( vec3 color ) {\n	return tonemappingexposure * color;\n}\nvec3 reinhardtonemapping( vec3 color ) {\n	color *= tonemappingexposure;\n	return saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 optimizedcineontonemapping( vec3 color ) {\n	color *= tonemappingexposure;\n	color = max( vec3( 0.0 ), color - 0.004 );\n	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 rrtandodtfit( vec3 v ) {\n	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n	return a / b;\n}\nvec3 acesfilmictonemapping( vec3 color ) {\n	const mat3 acesinputmat = mat3(\n		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),\n		vec3( 0.04823, 0.01566, 0.83777 )\n	);\n	const mat3 acesoutputmat = mat3(\n		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),\n		vec3( -0.07367, -0.00605,  1.07602 )\n	);\n	color *= tonemappingexposure / 0.6;\n	color = acesinputmat * color;\n	color = rrtandodtfit( color );\n	color = acesoutputmat * color;\n	return saturate( color );\n}\nvec3 customtonemapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef use_transmission\n	material.transmission = transmission;\n	material.transmissionalpha = 1.0;\n	material.thickness = thickness;\n	material.attenuationdistance = attenuationdistance;\n	material.attenuationcolor = attenuationcolor;\n	#ifdef use_transmissionmap\n		material.transmission *= texture2d( transmissionmap, vuv ).r;\n	#endif\n	#ifdef use_thicknessmap\n		material.thickness *= texture2d( thicknessmap, vuv ).g;\n	#endif\n	vec3 pos = vworldposition;\n	vec3 v = normalize( cameraposition - pos );\n	vec3 n = inversetransformdirection( normal, viewmatrix );\n	vec4 transmission = getiblvolumerefraction(\n		n, v, material.roughness, material.diffusecolor, material.specularcolor, material.specularf90,\n		pos, modelmatrix, viewmatrix, projectionmatrix, material.ior, material.thickness,\n		material.attenuationcolor, material.attenuationdistance );\n	material.transmissionalpha = mix( material.transmissionalpha, transmission.a, material.transmission );\n	totaldiffuse = mix( totaldiffuse, transmission.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef use_transmission\n	uniform float transmission;\n	uniform float thickness;\n	uniform float attenuationdistance;\n	uniform vec3 attenuationcolor;\n	#ifdef use_transmissionmap\n		uniform sampler2d transmissionmap;\n	#endif\n	#ifdef use_thicknessmap\n		uniform sampler2d thicknessmap;\n	#endif\n	uniform vec2 transmissionsamplersize;\n	uniform sampler2d transmissionsamplermap;\n	uniform mat4 modelmatrix;\n	uniform mat4 projectionmatrix;\n	varying vec3 vworldposition;\n	vec3 getvolumetransmissionray( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelmatrix ) {\n		vec3 refractionvector = refract( - v, normalize( n ), 1.0 / ior );\n		vec3 modelscale;\n		modelscale.x = length( vec3( modelmatrix[ 0 ].xyz ) );\n		modelscale.y = length( vec3( modelmatrix[ 1 ].xyz ) );\n		modelscale.z = length( vec3( modelmatrix[ 2 ].xyz ) );\n		return normalize( refractionvector ) * thickness * modelscale;\n	}\n	float applyiortoroughness( const in float roughness, const in float ior ) {\n		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n	}\n	vec4 gettransmissionsample( const in vec2 fragcoord, const in float roughness, const in float ior ) {\n		float framebufferlod = log2( transmissionsamplersize.x ) * applyiortoroughness( roughness, ior );\n		#ifdef texture2dlodext\n			return texture2dlodext( transmissionsamplermap, fragcoord.xy, framebufferlod );\n		#else\n			return texture2d( transmissionsamplermap, fragcoord.xy, framebufferlod );\n		#endif\n	}\n	vec3 applyvolumeattenuation( const in vec3 radiance, const in float transmissiondistance, const in vec3 attenuationcolor, const in float attenuationdistance ) {\n		if ( isinf( attenuationdistance ) ) {\n			return radiance;\n		} else {\n			vec3 attenuationcoefficient = -log( attenuationcolor ) / attenuationdistance;\n			vec3 transmittance = exp( - attenuationcoefficient * transmissiondistance );			return transmittance * radiance;\n		}\n	}\n	vec4 getiblvolumerefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffusecolor,\n		const in vec3 specularcolor, const in float specularf90, const in vec3 position, const in mat4 modelmatrix,\n		const in mat4 viewmatrix, const in mat4 projmatrix, const in float ior, const in float thickness,\n		const in vec3 attenuationcolor, const in float attenuationdistance ) {\n		vec3 transmissionray = getvolumetransmissionray( n, v, thickness, ior, modelmatrix );\n		vec3 refractedrayexit = position + transmissionray;\n		vec4 ndcpos = projmatrix * viewmatrix * vec4( refractedrayexit, 1.0 );\n		vec2 refractioncoords = ndcpos.xy / ndcpos.w;\n		refractioncoords += 1.0;\n		refractioncoords /= 2.0;\n		vec4 transmittedlight = gettransmissionsample( refractioncoords, roughness, ior );\n		vec3 attenuatedcolor = applyvolumeattenuation( transmittedlight.rgb, length( transmissionray ), attenuationcolor, attenuationdistance );\n		vec3 f = environmentbrdf( n, v, specularcolor, specularf90, roughness );\n		return vec4( ( 1.0 - f ) * attenuatedcolor * diffusecolor, transmittedlight.a );\n	}\n#endif",uv_pars_fragment:"#if ( defined( use_uv ) && ! defined( uvs_vertex_only ) )\n	varying vec2 vuv;\n#endif",uv_pars_vertex:"#ifdef use_uv\n	#ifdef uvs_vertex_only\n		vec2 vuv;\n	#else\n		varying vec2 vuv;\n	#endif\n	uniform mat3 uvtransform;\n#endif",uv_vertex:"#ifdef use_uv\n	vuv = ( uvtransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( use_lightmap ) || defined( use_aomap )\n	varying vec2 vuv2;\n#endif",uv2_pars_vertex:"#if defined( use_lightmap ) || defined( use_aomap )\n	attribute vec2 uv2;\n	varying vec2 vuv2;\n	uniform mat3 uv2transform;\n#endif",uv2_vertex:"#if defined( use_lightmap ) || defined( use_aomap )\n	vuv2 = ( uv2transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( use_envmap ) || defined( distance ) || defined ( use_shadowmap ) || defined ( use_transmission ) || num_spot_light_coords > 0\n	vec4 worldposition = vec4( transformed, 1.0 );\n	#ifdef use_instancing\n		worldposition = instancematrix * worldposition;\n	#endif\n	worldposition = modelmatrix * worldposition;\n#endif",background_vert:"varying vec2 vuv;\nuniform mat3 uvtransform;\nvoid main() {\n	vuv = ( uvtransform * vec3( uv, 1 ) ).xy;\n	gl_position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2d t2d;\nuniform float backgroundintensity;\nvarying vec2 vuv;\nvoid main() {\n	vec4 texcolor = texture2d( t2d, vuv );\n	#ifdef decode_video_texture\n		texcolor = vec4( mix( pow( texcolor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texcolor.rgb * 0.0773993808, vec3( lessthanequal( texcolor.rgb, vec3( 0.04045 ) ) ) ), texcolor.w );\n	#endif\n	texcolor.rgb *= backgroundintensity;\n	gl_fragcolor = texcolor;\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}",backgroundcube_vert:"varying vec3 vworlddirection;\n#include <common>\nvoid main() {\n	vworlddirection = transformdirection( position, modelmatrix );\n	#include <begin_vertex>\n	#include <project_vertex>\n	gl_position.z = gl_position.w;\n}",backgroundcube_frag:"#ifdef envmap_type_cube\n	uniform samplercube envmap;\n#elif defined( envmap_type_cube_uv )\n	uniform sampler2d envmap;\n#endif\nuniform float flipenvmap;\nuniform float backgroundblurriness;\nuniform float backgroundintensity;\nvarying vec3 vworlddirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n	#ifdef envmap_type_cube\n		vec4 texcolor = texturecube( envmap, vec3( flipenvmap * vworlddirection.x, vworlddirection.yz ) );\n	#elif defined( envmap_type_cube_uv )\n		vec4 texcolor = texturecubeuv( envmap, vworlddirection, backgroundblurriness );\n	#else\n		vec4 texcolor = vec4( 0.0, 0.0, 0.0, 1.0 );\n	#endif\n	texcolor.rgb *= backgroundintensity;\n	gl_fragcolor = texcolor;\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}",cube_vert:"varying vec3 vworlddirection;\n#include <common>\nvoid main() {\n	vworlddirection = transformdirection( position, modelmatrix );\n	#include <begin_vertex>\n	#include <project_vertex>\n	gl_position.z = gl_position.w;\n}",cube_frag:"uniform samplercube tcube;\nuniform float tflip;\nuniform float opacity;\nvarying vec3 vworlddirection;\nvoid main() {\n	vec4 texcolor = texturecube( tcube, vec3( tflip * vworlddirection.x, vworlddirection.yz ) );\n	gl_fragcolor = texcolor;\n	gl_fragcolor.a *= opacity;\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}",depth_vert:"#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>\nvarying vec2 vhighprecisionzw;\nvoid main() {\n	#include <uv_vertex>\n	#include <skinbase_vertex>\n	#ifdef use_displacementmap\n		#include <beginnormal_vertex>\n		#include <morphnormal_vertex>\n		#include <skinnormal_vertex>\n	#endif\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vhighprecisionzw = gl_position.zw;\n}",depth_frag:"#if depth_packing == 3200\n	uniform 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 <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vhighprecisionzw;\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( 1.0 );\n	#if depth_packing == 3200\n		diffusecolor.a = opacity;\n	#endif\n	#include <map_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <logdepthbuf_fragment>\n	float fragcoordz = 0.5 * vhighprecisionzw[0] / vhighprecisionzw[1] + 0.5;\n	#if depth_packing == 3200\n		gl_fragcolor = vec4( vec3( 1.0 - fragcoordz ), opacity );\n	#elif depth_packing == 3201\n		gl_fragcolor = packdepthtorgba( fragcoordz );\n	#endif\n}",distancergba_vert:"#define distance\nvarying vec3 vworldposition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <skinbase_vertex>\n	#ifdef use_displacementmap\n		#include <beginnormal_vertex>\n		#include <morphnormal_vertex>\n		#include <skinnormal_vertex>\n	#endif\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <worldpos_vertex>\n	#include <clipping_planes_vertex>\n	vworldposition = worldposition.xyz;\n}",distancergba_frag:"#define distance\nuniform vec3 referenceposition;\nuniform float neardistance;\nuniform float fardistance;\nvarying vec3 vworldposition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( 1.0 );\n	#include <map_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	float dist = length( vworldposition - referenceposition );\n	dist = ( dist - neardistance ) / ( fardistance - neardistance );\n	dist = saturate( dist );\n	gl_fragcolor = packdepthtorgba( dist );\n}",equirect_vert:"varying vec3 vworlddirection;\n#include <common>\nvoid main() {\n	vworlddirection = transformdirection( position, modelmatrix );\n	#include <begin_vertex>\n	#include <project_vertex>\n}",equirect_frag:"uniform sampler2d tequirect;\nvarying vec3 vworlddirection;\n#include <common>\nvoid main() {\n	vec3 direction = normalize( vworlddirection );\n	vec2 sampleuv = equirectuv( direction );\n	gl_fragcolor = texture2d( tequirect, sampleuv );\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float linedistance;\nvarying float vlinedistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	vlinedistance = scale * linedistance;\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <fog_vertex>\n}",linedashed_frag:"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	#include <clipping_planes_fragment>\n	if ( mod( vlinedistance, totalsize ) > dashsize ) {\n		discard;\n	}\n	vec3 outgoinglight = vec3( 0.0 );\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <color_fragment>\n	outgoinglight = diffusecolor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#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	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#if defined ( use_envmap ) || defined ( use_skinning )\n		#include <beginnormal_vertex>\n		#include <morphnormal_vertex>\n		#include <skinbase_vertex>\n		#include <skinnormal_vertex>\n		#include <defaultnormal_vertex>\n	#endif\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <worldpos_vertex>\n	#include <envmap_vertex>\n	#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef flat_shaded\n	varying vec3 vnormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\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 <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_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	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <specularmap_fragment>\n	reflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	#ifdef use_lightmap\n		vec4 lightmaptexel = texture2d( lightmap, vuv2 );\n		reflectedlight.indirectdiffuse += lightmaptexel.rgb * lightmapintensity * reciprocal_pi;\n	#else\n		reflectedlight.indirectdiffuse += vec3( 1.0 );\n	#endif\n	#include <aomap_fragment>\n	reflectedlight.indirectdiffuse *= diffusecolor.rgb;\n	vec3 outgoinglight = reflectedlight.indirectdiffuse;\n	#include <envmap_fragment>\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}",meshlambert_vert:"#define lambert\nvarying vec3 vviewposition;\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 <normal_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	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vviewposition = - mvposition.xyz;\n	#include <worldpos_vertex>\n	#include <envmap_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}",meshlambert_frag:"#define lambert\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\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 <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_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	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	reflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalemissiveradiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <specularmap_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_lambert_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 outgoinglight = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse + totalemissiveradiance;\n	#include <envmap_fragment>\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}",meshmatcap_vert:"#define matcap\nvarying vec3 vviewposition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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	#include <uv_vertex>\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <fog_vertex>\n	vviewposition = - mvposition.xyz;\n}",meshmatcap_frag:"#define matcap\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2d matcap;\nvarying vec3 vviewposition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	vec3 viewdir = normalize( vviewposition );\n	vec3 x = normalize( vec3( viewdir.z, 0.0, - viewdir.x ) );\n	vec3 y = cross( viewdir, x );\n	vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n	#ifdef use_matcap\n		vec4 matcapcolor = texture2d( matcap, uv );\n	#else\n		vec4 matcapcolor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n	#endif\n	vec3 outgoinglight = diffusecolor.rgb * matcapcolor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}",meshnormal_vert:"#define normal\n#if defined( flat_shaded ) || defined( use_bumpmap ) || defined( tangentspace_normalmap )\n	varying vec3 vviewposition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_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	#include <uv_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n#if defined( flat_shaded ) || defined( use_bumpmap ) || defined( tangentspace_normalmap )\n	vviewposition = - mvposition.xyz;\n#endif\n}",meshnormal_frag:"#define normal\nuniform float opacity;\n#if defined( flat_shaded ) || defined( use_bumpmap ) || defined( tangentspace_normalmap )\n	varying vec3 vviewposition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	#include <logdepthbuf_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	gl_fragcolor = vec4( packnormaltorgb( normal ), opacity );\n	#ifdef opaque\n		gl_fragcolor.a = 1.0;\n	#endif\n}",meshphong_vert:"#define phong\nvarying vec3 vviewposition;\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 <normal_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	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vviewposition = - mvposition.xyz;\n	#include <worldpos_vertex>\n	#include <envmap_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}",meshphong_frag:"#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 <dithering_pars_fragment>\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 <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\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	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	reflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalemissiveradiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <specularmap_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_phong_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 outgoinglight = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse + reflectedlight.directspecular + reflectedlight.indirectspecular + totalemissiveradiance;\n	#include <envmap_fragment>\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}",meshphysical_vert:"#define standard\nvarying vec3 vviewposition;\n#ifdef use_transmission\n	varying vec3 vworldposition;\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 <normal_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	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vviewposition = - mvposition.xyz;\n	#include <worldpos_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n#ifdef use_transmission\n	vworldposition = worldposition.xyz;\n#endif\n}",meshphysical_frag:"#define standard\n#ifdef physical\n	#define ior\n	#define specular\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef ior\n	uniform float ior;\n#endif\n#ifdef specular\n	uniform float specularintensity;\n	uniform vec3 specularcolor;\n	#ifdef use_specularintensitymap\n		uniform sampler2d specularintensitymap;\n	#endif\n	#ifdef use_specularcolormap\n		uniform sampler2d specularcolormap;\n	#endif\n#endif\n#ifdef use_clearcoat\n	uniform float clearcoat;\n	uniform float clearcoatroughness;\n#endif\n#ifdef use_iridescence\n	uniform float iridescence;\n	uniform float iridescenceior;\n	uniform float iridescencethicknessminimum;\n	uniform float iridescencethicknessmaximum;\n#endif\n#ifdef use_sheen\n	uniform vec3 sheencolor;\n	uniform float sheenroughness;\n	#ifdef use_sheencolormap\n		uniform sampler2d sheencolormap;\n	#endif\n	#ifdef use_sheenroughnessmap\n		uniform sampler2d sheenroughnessmap;\n	#endif\n#endif\nvarying vec3 vviewposition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\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 <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_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	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	reflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalemissiveradiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <roughnessmap_fragment>\n	#include <metalnessmap_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <clearcoat_normal_fragment_begin>\n	#include <clearcoat_normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_physical_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 totaldiffuse = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse;\n	vec3 totalspecular = reflectedlight.directspecular + reflectedlight.indirectspecular;\n	#include <transmission_fragment>\n	vec3 outgoinglight = totaldiffuse + totalspecular + totalemissiveradiance;\n	#ifdef use_sheen\n		float sheenenergycomp = 1.0 - 0.157 * max3( material.sheencolor );\n		outgoinglight = outgoinglight * sheenenergycomp + sheenspecular;\n	#endif\n	#ifdef use_clearcoat\n		float dotnvcc = saturate( dot( geometry.clearcoatnormal, geometry.viewdir ) );\n		vec3 fcc = f_schlick( material.clearcoatf0, material.clearcoatf90, dotnvcc );\n		outgoinglight = outgoinglight * ( 1.0 - material.clearcoat * fcc ) + clearcoatspecular * material.clearcoat;\n	#endif\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}",meshtoon_vert:"#define toon\nvarying vec3 vviewposition;\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 <normal_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	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vviewposition = - mvposition.xyz;\n	#include <worldpos_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}",meshtoon_frag:"#define toon\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\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 <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	reflectedlight reflectedlight = reflectedlight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalemissiveradiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_toon_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 outgoinglight = reflectedlight.directdiffuse + reflectedlight.indirectdiffuse + totalemissiveradiance;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <color_vertex>\n	#include <morphcolor_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <project_vertex>\n	gl_pointsize = size;\n	#ifdef use_sizeattenuation\n		bool isperspective = isperspectivematrix( projectionmatrix );\n		if ( isperspective ) gl_pointsize *= ( scale / - mvposition.z );\n	#endif\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <worldpos_vertex>\n	#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec3 outgoinglight = vec3( 0.0 );\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_particle_fragment>\n	#include <color_fragment>\n	#include <alphatest_fragment>\n	outgoinglight = diffusecolor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <project_vertex>\n	#include <worldpos_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n	gl_fragcolor = vec4( color, opacity * ( 1.0 - getshadowmask() ) );\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	vec4 mvposition = modelviewmatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n	vec2 scale;\n	scale.x = length( vec3( modelmatrix[ 0 ].x, modelmatrix[ 0 ].y, modelmatrix[ 0 ].z ) );\n	scale.y = length( vec3( modelmatrix[ 1 ].x, modelmatrix[ 1 ].y, modelmatrix[ 1 ].z ) );\n	#ifndef use_sizeattenuation\n		bool isperspective = isperspectivematrix( projectionmatrix );\n		if ( isperspective ) scale *= - mvposition.z;\n	#endif\n	vec2 alignedposition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n	vec2 rotatedposition;\n	rotatedposition.x = cos( rotation ) * alignedposition.x - sin( rotation ) * alignedposition.y;\n	rotatedposition.y = sin( rotation ) * alignedposition.x + cos( rotation ) * alignedposition.y;\n	mvposition.xy += rotatedposition;\n	gl_position = projectionmatrix * mvposition;\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec3 outgoinglight = vec3( 0.0 );\n	vec4 diffusecolor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	outgoinglight = diffusecolor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n}"},iq={common:{diffuse:{value:new nf(16777215)},opacity:{value:1},map:{value:null},uvtransform:{value:new nx},uv2transform:{value:new nx},alphamap:{value:null},alphatest:{value:0}},specularmap:{specularmap:{value:null}},envmap:{envmap:{value:null},flipenvmap:{value:-1},reflectivity:{value:1},ior:{value:1.5},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 ny(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 nf(16777215)}},lights:{ambientlightcolor:{value:[]},lightprobe:{value:[]},directionallights:{value:[],properties:{direction:{},color:{}}},directionallightshadows:{value:[],properties:{shadowbias:{},shadownormalbias:{},shadowradius:{},shadowmapsize:{}}},directionalshadowmap:{value:[]},directionalshadowmatrix:{value:[]},spotlights:{value:[],properties:{color:{},position:{},direction:{},distance:{},conecos:{},penumbracos:{},decay:{}}},spotlightshadows:{value:[],properties:{shadowbias:{},shadownormalbias:{},shadowradius:{},shadowmapsize:{}}},spotlightmap:{value:[]},spotshadowmap:{value:[]},spotlightmatrix:{value:[]},pointlights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointlightshadows:{value:[],properties:{shadowbias:{},shadownormalbias:{},shadowradius:{},shadowmapsize:{},shadowcameranear:{},shadowcamerafar:{}}},pointshadowmap:{value:[]},pointshadowmatrix:{value:[]},hemispherelights:{value:[],properties:{direction:{},skycolor:{},groundcolor:{}}},rectarealights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new nf(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphamap:{value:null},alphatest:{value:0},uvtransform:{value:new nx}},sprite:{diffuse:{value:new nf(16777215)},opacity:{value:1},center:{value:new ny(.5,.5)},rotation:{value:0},map:{value:null},alphamap:{value:null},alphatest:{value:0},uvtransform:{value:new nx}}},iz={basic:{uniforms:ir([iq.common,iq.specularmap,iq.envmap,iq.aomap,iq.lightmap,iq.fog]),vertexshader:iq.meshbasic_vert,fragmentshader:iq.meshbasic_frag},lambert:{uniforms:ir([iq.common,iq.specularmap,iq.envmap,iq.aomap,iq.lightmap,iq.emissivemap,iq.bumpmap,iq.normalmap,iq.displacementmap,iq.fog,iq.lights,{emissive:{value:new nf(0)}}]),vertexshader:iq.meshlambert_vert,fragmentshader:iq.meshlambert_frag},phong:{uniforms:ir([iq.common,iq.specularmap,iq.envmap,iq.aomap,iq.lightmap,iq.emissivemap,iq.bumpmap,iq.normalmap,iq.displacementmap,iq.fog,iq.lights,{emissive:{value:new nf(0)},specular:{value:new nf(1118481)},shininess:{value:30}}]),vertexshader:iq.meshphong_vert,fragmentshader:iq.meshphong_frag},standard:{uniforms:ir([iq.common,iq.envmap,iq.aomap,iq.lightmap,iq.emissivemap,iq.bumpmap,iq.normalmap,iq.displacementmap,iq.roughnessmap,iq.metalnessmap,iq.fog,iq.lights,{emissive:{value:new nf(0)},roughness:{value:1},metalness:{value:0},envmapintensity:{value:1}}]),vertexshader:iq.meshphysical_vert,fragmentshader:iq.meshphysical_frag},toon:{uniforms:ir([iq.common,iq.aomap,iq.lightmap,iq.emissivemap,iq.bumpmap,iq.normalmap,iq.displacementmap,iq.gradientmap,iq.fog,iq.lights,{emissive:{value:new nf(0)}}]),vertexshader:iq.meshtoon_vert,fragmentshader:iq.meshtoon_frag},matcap:{uniforms:ir([iq.common,iq.bumpmap,iq.normalmap,iq.displacementmap,iq.fog,{matcap:{value:null}}]),vertexshader:iq.meshmatcap_vert,fragmentshader:iq.meshmatcap_frag},points:{uniforms:ir([iq.points,iq.fog]),vertexshader:iq.points_vert,fragmentshader:iq.points_frag},dashed:{uniforms:ir([iq.common,iq.fog,{scale:{value:1},dashsize:{value:1},totalsize:{value:2}}]),vertexshader:iq.linedashed_vert,fragmentshader:iq.linedashed_frag},depth:{uniforms:ir([iq.common,iq.displacementmap]),vertexshader:iq.depth_vert,fragmentshader:iq.depth_frag},normal:{uniforms:ir([iq.common,iq.bumpmap,iq.normalmap,iq.displacementmap,{opacity:{value:1}}]),vertexshader:iq.meshnormal_vert,fragmentshader:iq.meshnormal_frag},sprite:{uniforms:ir([iq.sprite,iq.fog]),vertexshader:iq.sprite_vert,fragmentshader:iq.sprite_frag},background:{uniforms:{uvtransform:{value:new nx},t2d:{value:null},backgroundintensity:{value:1}},vertexshader:iq.background_vert,fragmentshader:iq.background_frag},backgroundcube:{uniforms:{envmap:{value:null},flipenvmap:{value:-1},backgroundblurriness:{value:0},backgroundintensity:{value:1}},vertexshader:iq.backgroundcube_vert,fragmentshader:iq.backgroundcube_frag},cube:{uniforms:{tcube:{value:null},tflip:{value:-1},opacity:{value:1}},vertexshader:iq.cube_vert,fragmentshader:iq.cube_frag},equirect:{uniforms:{tequirect:{value:null}},vertexshader:iq.equirect_vert,fragmentshader:iq.equirect_frag},distancergba:{uniforms:ir([iq.common,iq.displacementmap,{referenceposition:{value:new ny},neardistance:{value:1},fardistance:{value:1e3}}]),vertexshader:iq.distancergba_vert,fragmentshader:iq.distancergba_frag},shadow:{uniforms:ir([iq.lights,iq.fog,{color:{value:new nf(0)},opacity:{value:1}}]),vertexshader:iq.shadow_vert,fragmentshader:iq.shadow_frag}};iz.physical={uniforms:ir([iz.standard.uniforms,{clearcoat:{value:0},clearcoatmap:{value:null},clearcoatroughness:{value:0},clearcoatroughnessmap:{value:null},clearcoatnormalscale:{value:new ny(1,1)},clearcoatnormalmap:{value:null},iridescence:{value:0},iridescencemap:{value:null},iridescenceior:{value:1.3},iridescencethicknessminimum:{value:100},iridescencethicknessmaximum:{value:400},iridescencethicknessmap:{value:null},sheen:{value:0},sheencolor:{value:new nf(0)},sheencolormap:{value:null},sheenroughness:{value:1},sheenroughnessmap:{value:null},transmission:{value:0},transmissionmap:{value:null},transmissionsamplersize:{value:new ny},transmissionsamplermap:{value:null},thickness:{value:0},thicknessmap:{value:null},attenuationdistance:{value:0},attenuationcolor:{value:new nf(0)},specularintensity:{value:1},specularintensitymap:{value:null},specularcolor:{value:new nf(1,1,1)},specularcolormap:{value:null}}]),vertexshader:iq.meshphysical_vert,fragmentshader:iq.meshphysical_frag};let i$={r:0,b:0,g:0};function i0(e,n,r,i,a,s,o){let l,u;let c=new nf(0),h=!0===s?0:1,d=null,p=0,f=null;function m(n,r){n.getrgb(i$,il(e)),i.buffers.color.setclear(i$.r,i$.g,i$.b,r,o)}return{getclearcolor:function(){return c},setclearcolor:function(e,n=1){c.set(e),m(c,h=n)},getclearalpha:function(){return h},setclearalpha:function(e){m(c,h=e)},render:function(i,s){let o=!1,g=!0===s.isscene?s.background:null;if(g&&g.istexture){let e=s.backgroundblurriness>0;g=(e?r:n).get(g)}let v=e.xr,y=v.getsession&&v.getsession();y&&"additive"===y.environmentblendmode&&(g=null),null===g?m(c,h):g&&g.iscolor&&(m(g,1),o=!0),(e.autoclear||o)&&e.clear(e.autoclearcolor,e.autocleardepth,e.autoclearstencil),g&&(g.iscubetexture||g.mapping===ef)?(void 0===u&&((u=new ie(new ib(1,1,1),new id({name:"backgroundcubematerial",uniforms:ip(iz.backgroundcube.uniforms),vertexshader:iz.backgroundcube.vertexshader,fragmentshader:iz.backgroundcube.fragmentshader,side:a,depthtest:!1,depthwrite:!1,fog:!1}))).geometry.deleteattribute("normal"),u.geometry.deleteattribute("uv"),u.onbeforerender=function(e,n,r){this.matrixworld.copyposition(r.matrixworld)},object.defineproperty(u.material,"envmap",{get:function(){return this.uniforms.envmap.value}}),a.update(u)),u.material.uniforms.envmap.value=g,u.material.uniforms.flipenvmap.value=g.iscubetexture&&!1===g.isrendertargettexture?-1:1,u.material.uniforms.backgroundblurriness.value=s.backgroundblurriness,u.material.uniforms.backgroundintensity.value=s.backgroundintensity,u.material.tonemapped=g.encoding!==tr,(d!==g||p!==g.version||f!==e.tonemapping)&&(u.material.needsupdate=!0,d=g,p=g.version,f=e.tonemapping),u.layers.enableall(),i.unshift(u,u.geometry,u.material,0,0,null)):g&&g.istexture&&(void 0===l&&((l=new ie(new iy(2,2),new id({name:"backgroundmaterial",uniforms:ip(iz.background.uniforms),vertexshader:iz.background.vertexshader,fragmentshader:iz.background.fragmentshader,side:_,depthtest:!1,depthwrite:!1,fog:!1}))).geometry.deleteattribute("normal"),object.defineproperty(l.material,"map",{get:function(){return this.uniforms.t2d.value}}),a.update(l)),l.material.uniforms.t2d.value=g,l.material.uniforms.backgroundintensity.value=s.backgroundintensity,l.material.tonemapped=g.encoding!==tr,!0===g.matrixautoupdate&&g.updatematrix(),l.material.uniforms.uvtransform.value.copy(g.matrix),(d!==g||p!==g.version||f!==e.tonemapping)&&(l.material.needsupdate=!0,d=g,p=g.version,f=e.tonemapping),l.layers.enableall(),i.unshift(l,l.geometry,l.material,0,0,null))}}}function i1(e,n,r,i){let a=e.getparameter(34921),s=i.iswebgl2?null:n.get("oes_vertex_array_object"),o=i.iswebgl2||null!==s,l={},u=f(null),c=u,h=!1;function d(n){return i.iswebgl2?e.bindvertexarray(n):s.bindvertexarrayoes(n)}function p(n){return i.iswebgl2?e.deletevertexarray(n):s.deletevertexarrayoes(n)}function f(e){let n=[],r=[],i=[];for(let e=0;e<a;e++)n[e]=0,r[e]=0,i[e]=0;return{geometry:null,program:null,wireframe:!1,newattributes:n,enabledattributes:r,attributedivisors:i,object:e,attributes:{},index:null}}function m(){let e=c.newattributes;for(let n=0,r=e.length;n<r;n++)e[n]=0}function g(e){v(e,0)}function v(r,a){let s=c.newattributes,o=c.enabledattributes,l=c.attributedivisors;if(s[r]=1,0===o[r]&&(e.enablevertexattribarray(r),o[r]=1),l[r]!==a){let s=i.iswebgl2?e:n.get("angle_instanced_arrays");s[i.iswebgl2?"vertexattribdivisor":"vertexattribdivisorangle"](r,a),l[r]=a}}function y(){let n=c.newattributes,r=c.enabledattributes;for(let i=0,a=r.length;i<a;i++)r[i]!==n[i]&&(e.disablevertexattribarray(i),r[i]=0)}function x(n,r,a,s,o,l){!0===i.iswebgl2&&(5124===a||5125===a)?e.vertexattribipointer(n,r,a,o,l):e.vertexattribpointer(n,r,a,s,o,l)}function _(){a(),h=!0,c!==u&&d((c=u).object)}function a(){u.geometry=null,u.program=null,u.wireframe=!1}return{setup:function(a,u,p,_,a){let b=!1;if(o){let n=function(n,r,a){let o=!0===a.wireframe,u=l[n.id];void 0===u&&(u={},l[n.id]=u);let c=u[r.id];void 0===c&&(c={},u[r.id]=c);let h=c[o];return void 0===h&&(h=f(i.iswebgl2?e.createvertexarray():s.createvertexarrayoes()),c[o]=h),h}(_,p,u);c!==n&&d((c=n).object),(b=function(e,n,r,i){let a=c.attributes,s=n.attributes,o=0,l=r.getattributes();for(let n in l){let r=l[n];if(r.location>=0){let r=a[n],i=s[n];if(void 0===i&&("instancematrix"===n&&e.instancematrix&&(i=e.instancematrix),"instancecolor"===n&&e.instancecolor&&(i=e.instancecolor)),void 0===r||r.attribute!==i||i&&r.data!==i.data)return!0;o++}}return c.attributesnum!==o||c.index!==i}(a,_,p,a))&&function(e,n,r,i){let a={},s=n.attributes,o=0,l=r.getattributes();for(let n in l){let r=l[n];if(r.location>=0){let r=s[n];void 0===r&&("instancematrix"===n&&e.instancematrix&&(r=e.instancematrix),"instancecolor"===n&&e.instancecolor&&(r=e.instancecolor));let i={};i.attribute=r,r&&r.data&&(i.data=r.data),a[n]=i,o++}}c.attributes=a,c.attributesnum=o,c.index=i}(a,_,p,a)}else{let e=!0===u.wireframe;(c.geometry!==_.id||c.program!==p.id||c.wireframe!==e)&&(c.geometry=_.id,c.program=p.id,c.wireframe=e,b=!0)}null!==a&&r.update(a,34963),(b||h)&&(h=!1,function(a,s,o,l){if(!1===i.iswebgl2&&(a.isinstancedmesh||l.isinstancedbuffergeometry)&&null===n.get("angle_instanced_arrays"))return;m();let u=l.attributes,c=o.getattributes(),h=s.defaultattributevalues;for(let n in c){let i=c[n];if(i.location>=0){let s=u[n];if(void 0===s&&("instancematrix"===n&&a.instancematrix&&(s=a.instancematrix),"instancecolor"===n&&a.instancecolor&&(s=a.instancecolor)),void 0!==s){let n=s.normalized,o=s.itemsize,u=r.get(s);if(void 0===u)continue;let c=u.buffer,h=u.type,d=u.bytesperelement;if(s.isinterleavedbufferattribute){let r=s.data,u=r.stride,p=s.offset;if(r.isinstancedinterleavedbuffer){for(let e=0;e<i.locationsize;e++)v(i.location+e,r.meshperattribute);!0!==a.isinstancedmesh&&void 0===l._maxinstancecount&&(l._maxinstancecount=r.meshperattribute*r.count)}else for(let e=0;e<i.locationsize;e++)g(i.location+e);e.bindbuffer(34962,c);for(let e=0;e<i.locationsize;e++)x(i.location+e,o/i.locationsize,h,n,u*d,(p+o/i.locationsize*e)*d)}else{if(s.isinstancedbufferattribute){for(let e=0;e<i.locationsize;e++)v(i.location+e,s.meshperattribute);!0!==a.isinstancedmesh&&void 0===l._maxinstancecount&&(l._maxinstancecount=s.meshperattribute*s.count)}else for(let e=0;e<i.locationsize;e++)g(i.location+e);e.bindbuffer(34962,c);for(let e=0;e<i.locationsize;e++)x(i.location+e,o/i.locationsize,h,n,o*d,o/i.locationsize*e*d)}}else if(void 0!==h){let r=h[n];if(void 0!==r)switch(r.length){case 2:e.vertexattrib2fv(i.location,r);break;case 3:e.vertexattrib3fv(i.location,r);break;case 4:e.vertexattrib4fv(i.location,r);break;default:e.vertexattrib1fv(i.location,r)}}}}y()}(a,u,p,_),null!==a&&e.bindbuffer(34963,r.get(a).buffer))},reset:_,resetdefaultstate:a,dispose:function(){for(let e in _(),l){let n=l[e];for(let e in n){let r=n[e];for(let e in r)p(r[e].object),delete r[e];delete n[e]}delete l[e]}},releasestatesofgeometry:function(e){if(void 0===l[e.id])return;let n=l[e.id];for(let e in n){let r=n[e];for(let e in r)p(r[e].object),delete r[e];delete n[e]}delete l[e.id]},releasestatesofprogram:function(e){for(let n in l){let r=l[n];if(void 0===r[e.id])continue;let i=r[e.id];for(let e in i)p(i[e].object),delete i[e];delete r[e.id]}},initattributes:m,enableattribute:g,disableunusedattributes:y}}function i2(e,n,r,i){let a;let s=i.iswebgl2;this.setmode=function(e){a=e},this.render=function(n,i){e.drawarrays(a,n,i),r.update(i,a,1)},this.renderinstances=function(i,o,l){let u,c;if(0!==l){if(s)u=e,c="drawarraysinstanced";else if(u=n.get("angle_instanced_arrays"),c="drawarraysinstancedangle",null===u){console.error("three.webglbufferrenderer: using three.instancedbuffergeometry but hardware does not support extension angle_instanced_arrays.");return}u[c](a,i,o,l),r.update(o,a,l)}}}function i3(e,n,r){let i;function a(n){if("highp"===n){if(e.getshaderprecisionformat(35633,36338).precision>0&&e.getshaderprecisionformat(35632,36338).precision>0)return"highp";n="mediump"}return"mediump"===n&&e.getshaderprecisionformat(35633,36337).precision>0&&e.getshaderprecisionformat(35632,36337).precision>0?"mediump":"lowp"}let s="undefined"!=typeof webgl2renderingcontext&&e instanceof webgl2renderingcontext,o=void 0!==r.precision?r.precision:"highp",l=a(o);l!==o&&(console.warn("three.webglrenderer:",o,"not supported, using",l,"instead."),o=l);let u=s||n.has("webgl_draw_buffers"),c=!0===r.logarithmicdepthbuffer,h=e.getparameter(34930),d=e.getparameter(35660),p=e.getparameter(3379),f=e.getparameter(34076),m=e.getparameter(34921),g=e.getparameter(36347),v=e.getparameter(36348),y=e.getparameter(36349),x=d>0,_=s||n.has("oes_texture_float"),a=s?e.getparameter(36183):0;return{iswebgl2:s,drawbuffers:u,getmaxanisotropy:function(){if(void 0!==i)return i;if(!0===n.has("ext_texture_filter_anisotropic")){let r=n.get("ext_texture_filter_anisotropic");i=e.getparameter(r.max_texture_max_anisotropy_ext)}else i=0;return i},getmaxprecision:a,precision:o,logarithmicdepthbuffer:c,maxtextures:h,maxvertextextures:d,maxtexturesize:p,maxcubemapsize:f,maxattributes:m,maxvertexuniforms:g,maxvaryings:v,maxfragmentuniforms:y,vertextextures:x,floatfragmenttextures:_,floatvertextextures:x&&_,maxsamples:a}}function i4(e){let n=this,r=null,i=0,a=!1,s=!1,o=new iv,l=new nx,u={value:null,needsupdate:!1};function c(e,r,i,a){let s=null!==e?e.length:0,c=null;if(0!==s){if(c=u.value,!0!==a||null===c){let n=i+4*s,a=r.matrixworldinverse;l.getnormalmatrix(a),(null===c||c.length<n)&&(c=new float32array(n));for(let n=0,r=i;n!==s;++n,r+=4)o.copy(e[n]).applymatrix4(a,l),o.normal.toarray(c,r),c[r+3]=o.constant}u.value=c,u.needsupdate=!0}return n.numplanes=s,n.numintersection=0,c}this.uniform=u,this.numplanes=0,this.numintersection=0,this.init=function(e,n){let r=0!==e.length||n||0!==i||a;return a=n,i=e.length,r},this.beginshadows=function(){s=!0,c(null)},this.endshadows=function(){s=!1},this.setglobalstate=function(e,n){r=c(e,n,0)},this.setstate=function(o,l,h){let d=o.clippingplanes,p=o.clipintersection,f=o.clipshadows,m=e.get(o);if(a&&null!==d&&0!==d.length&&(!s||f)){let e=s?0:i,n=4*e,a=m.clippingstate||null;u.value=a,a=c(d,l,n,h);for(let e=0;e!==n;++e)a[e]=r[e];m.clippingstate=a,this.numintersection=p?this.numplanes:0,this.numplanes+=e}else s?c(null):(u.value!==r&&(u.value=r,u.needsupdate=i>0),n.numplanes=i,n.numintersection=0)}}function i6(e){let n=new weakmap;function r(e,n){return n===ed?e.mapping=ec:n===ep&&(e.mapping=eh),e}function i(e){let r=e.target;r.removeeventlistener("dispose",i);let a=n.get(r);void 0!==a&&(n.delete(r),a.dispose())}return{get:function(a){if(a&&a.istexture&&!1===a.isrendertargettexture){let s=a.mapping;if(s===ed||s===ep){if(n.has(a)){let e=n.get(a).texture;return r(e,a.mapping)}{let s=a.image;if(!s||!(s.height>0))return null;{let o=new ih(s.height/2);return o.fromequirectangulartexture(e,a),n.set(a,o),a.addeventlistener("dispose",i),r(o.texture,a.mapping)}}}}return a},dispose:function(){n=new weakmap}}}class i5 extends if{constructor(e=-1,n=1,r=1,i=-1,a=.1,s=2e3){super(),this.isorthographiccamera=!0,this.type="orthographiccamera",this.zoom=1,this.view=null,this.left=e,this.right=n,this.top=r,this.bottom=i,this.near=a,this.far=s,this.updateprojectionmatrix()}copy(e,n){return super.copy(e,n),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:object.assign({},e.view),this}setviewoffset(e,n,r,i,a,s){null===this.view&&(this.view={enabled:!0,fullwidth:1,fullheight:1,offsetx:0,offsety:0,width:1,height:1}),this.view.enabled=!0,this.view.fullwidth=e,this.view.fullheight=n,this.view.offsetx=r,this.view.offsety=i,this.view.width=a,this.view.height=s,this.updateprojectionmatrix()}clearviewoffset(){null!==this.view&&(this.view.enabled=!1),this.updateprojectionmatrix()}updateprojectionmatrix(){let e=(this.right-this.left)/(2*this.zoom),n=(this.top-this.bottom)/(2*this.zoom),r=(this.right+this.left)/2,i=(this.top+this.bottom)/2,a=r-e,s=r+e,o=i+n,l=i-n;if(null!==this.view&&this.view.enabled){let e=(this.right-this.left)/this.view.fullwidth/this.zoom,n=(this.top-this.bottom)/this.view.fullheight/this.zoom;a+=e*this.view.offsetx,s=a+e*this.view.width,o-=n*this.view.offsety,l=o-n*this.view.height}this.projectionmatrix.makeorthographic(a,s,o,l,this.near,this.far),this.projectionmatrixinverse.copy(this.projectionmatrix).invert()}tojson(e){let n=super.tojson(e);return n.object.zoom=this.zoom,n.object.left=this.left,n.object.right=this.right,n.object.top=this.top,n.object.bottom=this.bottom,n.object.near=this.near,n.object.far=this.far,null!==this.view&&(n.object.view=object.assign({},this.view)),n}}let i9=[.125,.215,.35,.446,.526,.582],i8=new i5,i7=new nf,ae=null,at=(1+math.sqrt(5))/2,an=1/at,ar=[new ny(1,1,1),new ny(-1,1,1),new ny(1,1,-1),new ny(-1,1,-1),new ny(0,at,an),new ny(0,at,-an),new ny(an,0,at),new ny(-an,0,at),new ny(at,an,0),new ny(-at,an,0)];class ai{constructor(e){this._renderer=e,this._pingpongrendertarget=null,this._lodmax=0,this._cubesize=0,this._lodplanes=[],this._sizelods=[],this._sigmas=[],this._blurmaterial=null,this._cubemapmaterial=null,this._equirectmaterial=null,this._compilematerial(this._blurmaterial)}fromscene(e,n=0,r=.1,i=100){ae=this._renderer.getrendertarget(),this._setsize(256);let a=this._allocatetargets();return a.depthbuffer=!0,this._scenetocubeuv(e,r,i,a),n>0&&this._blur(a,0,0,n),this._applypmrem(a),this._cleanup(a),a}fromequirectangular(e,n=null){return this._fromtexture(e,n)}fromcubemap(e,n=null){return this._fromtexture(e,n)}compilecubemapshader(){null===this._cubemapmaterial&&(this._cubemapmaterial=al(),this._compilematerial(this._cubemapmaterial))}compileequirectangularshader(){null===this._equirectmaterial&&(this._equirectmaterial=ao(),this._compilematerial(this._equirectmaterial))}dispose(){this._dispose(),null!==this._cubemapmaterial&&this._cubemapmaterial.dispose(),null!==this._equirectmaterial&&this._equirectmaterial.dispose()}_setsize(e){this._lodmax=math.floor(math.log2(e)),this._cubesize=math.pow(2,this._lodmax)}_dispose(){null!==this._blurmaterial&&this._blurmaterial.dispose(),null!==this._pingpongrendertarget&&this._pingpongrendertarget.dispose();for(let e=0;e<this._lodplanes.length;e++)this._lodplanes[e].dispose()}_cleanup(e){this._renderer.setrendertarget(ae),e.scissortest=!1,as(e,0,0,e.width,e.height)}_fromtexture(e,n){e.mapping===ec||e.mapping===eh?this._setsize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setsize(e.image.width/4),ae=this._renderer.getrendertarget();let r=n||this._allocatetargets();return this._texturetocubeuv(e,r),this._applypmrem(r),this._cleanup(r),r}_allocatetargets(){let e=3*math.max(this._cubesize,112),n=4*this._cubesize,r={magfilter:em,minfilter:em,generatemipmaps:!1,type:ef,format:eg,encoding:tp,depthbuffer:!1},i=aa(e,n,r);if(null===this._pingpongrendertarget||this._pingpongrendertarget.width!==e||this._pingpongrendertarget.height!==n){null!==this._pingpongrendertarget&&this._dispose(),this._pingpongrendertarget=aa(e,n,r);let{_lodmax:i}=this;({sizelods:this._sizelods,lodplanes:this._lodplanes,sigmas:this._sigmas}=function(e){let n=[],r=[],i=[],a=e,s=e-4+1+i9.length;for(let o=0;o<s;o++){let s=math.pow(2,a);r.push(s);let l=1/s;o>e-4?l=i9[o-e+4-1]:0===o&&(l=0),i.push(l);let u=1/(s-2),c=-u,h=1+u,d=[c,c,h,c,h,h,c,c,h,h,c,h],p=new float32array(108),f=new float32array(72),m=new float32array(36);for(let e=0;e<6;e++){let n=e%3*2/3-1,r=e>2?0:-1,i=[n,r,0,n+2/3,r,0,n+2/3,r+1,0,n,r,0,n+2/3,r+1,0,n,r+1,0];p.set(i,18*e),f.set(d,12*e);let a=[e,e,e,e,e,e];m.set(a,6*e)}let g=new id;g.setattribute("position",new r3(p,3)),g.setattribute("uv",new r3(f,2)),g.setattribute("faceindex",new r3(m,1)),n.push(g),a>4&&a--}return{lodplanes:n,sizelods:r,sigmas:i}}(i)),this._blurmaterial=function(e,n,r){let i=new float32array(20),a=new ny(0,1,0),s=new id({name:"sphericalgaussianblur",defines:{n:20,cubeuv_texel_width:1/n,cubeuv_texel_height:1/r,cubeuv_max_mip:`${e}.0`},uniforms:{envmap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dtheta:{value:0},mipint:{value:0},poleaxis:{value:a}},vertexshader:au(),fragmentshader:`

			precision mediump float;
			precision mediump int;

			varying vec3 voutputdirection;

			uniform sampler2d envmap;
			uniform int samples;
			uniform float weights[ n ];
			uniform bool latitudinal;
			uniform float dtheta;
			uniform float mipint;
			uniform vec3 poleaxis;

			#define envmap_type_cube_uv
			#include <cube_uv_reflection_fragment>

			vec3 getsample( float theta, vec3 axis ) {

				float costheta = cos( theta );
				// rodrigues' axis-angle rotation
				vec3 sampledirection = voutputdirection * costheta
					+ cross( axis, voutputdirection ) * sin( theta )
					+ axis * dot( axis, voutputdirection ) * ( 1.0 - costheta );

				return bilinearcubeuv( envmap, sampledirection, mipint );

			}

			void main() {

				vec3 axis = latitudinal ? poleaxis : cross( poleaxis, voutputdirection );

				if ( all( equal( axis, vec3( 0.0 ) ) ) ) {

					axis = vec3( voutputdirection.z, 0.0, - voutputdirection.x );

				}

				axis = normalize( axis );

				gl_fragcolor = vec4( 0.0, 0.0, 0.0, 1.0 );
				gl_fragcolor.rgb += weights[ 0 ] * getsample( 0.0, axis );

				for ( int i = 1; i < n; i++ ) {

					if ( i >= samples ) {

						break;

					}

					float theta = dtheta * float( i );
					gl_fragcolor.rgb += weights[ i ] * getsample( -1.0 * theta, axis );
					gl_fragcolor.rgb += weights[ i ] * getsample( theta, axis );

				}

			}
		`,blending:s,depthtest:!1,depthwrite:!1});return s}(i,e,n)}return i}_compilematerial(e){let n=new ie(this._lodplanes[0],e);this._renderer.compile(n,i8)}_scenetocubeuv(e,n,r,i){let a=new io(90,1,n,r),s=[1,-1,1,1,1,1],o=[1,1,1,-1,-1,-1],l=this._renderer,u=l.autoclear,c=l.tonemapping;l.getclearcolor(i7),l.tonemapping=er,l.autoclear=!1;let h=new r0({name:"pmrem.background",side:a,depthwrite:!1,depthtest:!1}),d=new ie(new ib,h),p=!1,f=e.background;f?f.iscolor&&(h.color.copy(f),e.background=null,p=!0):(h.color.copy(i7),p=!0);for(let n=0;n<6;n++){let r=n%3;0===r?(a.up.set(0,s[n],0),a.lookat(o[n],0,0)):1===r?(a.up.set(0,0,s[n]),a.lookat(0,o[n],0)):(a.up.set(0,s[n],0),a.lookat(0,0,o[n]));let u=this._cubesize;as(i,r*u,n>2?u:0,u,u),l.setrendertarget(i),p&&l.render(d,a),l.render(e,a)}d.geometry.dispose(),d.material.dispose(),l.tonemapping=c,l.autoclear=u,e.background=f}_texturetocubeuv(e,n){let r=this._renderer,i=e.mapping===ec||e.mapping===eh;i?(null===this._cubemapmaterial&&(this._cubemapmaterial=al()),this._cubemapmaterial.uniforms.flipenvmap.value=!1===e.isrendertargettexture?-1:1):null===this._equirectmaterial&&(this._equirectmaterial=ao());let a=i?this._cubemapmaterial:this._equirectmaterial,s=new ie(this._lodplanes[0],a),o=a.uniforms;o.envmap.value=e;let l=this._cubesize;as(n,0,0,3*l,2*l),r.setrendertarget(n),r.render(s,i8)}_applypmrem(e){let n=this._renderer,r=n.autoclear;n.autoclear=!1;for(let n=1;n<this._lodplanes.length;n++){let r=math.sqrt(this._sigmas[n]*this._sigmas[n]-this._sigmas[n-1]*this._sigmas[n-1]),i=ar[(n-1)%ar.length];this._blur(e,n-1,n,r,i)}n.autoclear=r}_blur(e,n,r,i,a){let s=this._pingpongrendertarget;this._halfblur(e,s,n,r,i,"latitudinal",a),this._halfblur(s,e,r,r,i,"longitudinal",a)}_halfblur(e,n,r,i,a,s,o){let l=this._renderer,u=this._blurmaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");let c=new ie(this._lodplanes[i],u),h=u.uniforms,d=this._sizelods[r]-1,p=isfinite(a)?math.pi/(2*d):2*math.pi/39,f=a/p,m=isfinite(a)?1+math.floor(3*f):20;m>20&&console.warn(`sigmaradians, ${a}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);let g=[],v=0;for(let e=0;e<20;++e){let n=e/f,r=math.exp(-n*n/2);g.push(r),0===e?v+=r:e<m&&(v+=2*r)}for(let e=0;e<g.length;e++)g[e]=g[e]/v;h.envmap.value=e.texture,h.samples.value=m,h.weights.value=g,h.latitudinal.value="latitudinal"===s,o&&(h.poleaxis.value=o);let{_lodmax:y}=this;h.dtheta.value=p,h.mipint.value=y-r;let x=this._sizelods[i],_=4*(this._cubesize-x);as(n,3*x*(i>y-4?i-y+4:0),_,3*x,2*x),l.setrendertarget(n),l.render(c,i8)}}function aa(e,n,r){let i=new nz(e,n,r);return i.texture.mapping=ef,i.texture.name="pmrem.cubeuv",i.scissortest=!0,i}function as(e,n,r,i,a){e.viewport.set(n,r,i,a),e.scissor.set(n,r,i,a)}function ao(){return new id({name:"equirectangulartocubeuv",uniforms:{envmap:{value:null}},vertexshader:au(),fragmentshader:`

			precision mediump float;
			precision mediump int;

			varying vec3 voutputdirection;

			uniform sampler2d envmap;

			#include <common>

			void main() {

				vec3 outputdirection = normalize( voutputdirection );
				vec2 uv = equirectuv( outputdirection );

				gl_fragcolor = vec4( texture2d ( envmap, uv ).rgb, 1.0 );

			}
		`,blending:s,depthtest:!1,depthwrite:!1})}function al(){return new id({name:"cubemaptocubeuv",uniforms:{envmap:{value:null},flipenvmap:{value:-1}},vertexshader:au(),fragmentshader:`

			precision mediump float;
			precision mediump int;

			uniform float flipenvmap;

			varying vec3 voutputdirection;

			uniform samplercube envmap;

			void main() {

				gl_fragcolor = texturecube( envmap, vec3( flipenvmap * voutputdirection.x, voutputdirection.yz ) );

			}
		`,blending:s,depthtest:!1,depthwrite:!1})}function au(){return`

		precision mediump float;
		precision mediump int;

		attribute float faceindex;

		varying vec3 voutputdirection;

		// rh coordinate system; pmrem face-indexing convention
		vec3 getdirection( vec2 uv, float face ) {

			uv = 2.0 * uv - 1.0;

			vec3 direction = vec3( uv, 1.0 );

			if ( face == 0.0 ) {

				direction = direction.zyx; // ( 1, v, u ) pos x

			} else if ( face == 1.0 ) {

				direction = direction.xzy;
				direction.xz *= -1.0; // ( -u, 1, -v ) pos y

			} else if ( face == 2.0 ) {

				direction.x *= -1.0; // ( -u, v, 1 ) pos z

			} else if ( face == 3.0 ) {

				direction = direction.zyx;
				direction.xz *= -1.0; // ( -1, v, -u ) neg x

			} else if ( face == 4.0 ) {

				direction = direction.xzy;
				direction.xy *= -1.0; // ( -u, -1, v ) neg y

			} else if ( face == 5.0 ) {

				direction.z *= -1.0; // ( u, v, -1 ) neg z

			}

			return direction;

		}

		void main() {

			voutputdirection = getdirection( uv, faceindex );
			gl_position = vec4( position, 1.0 );

		}
	`}function ac(e){let n=new weakmap,r=null;function i(e){let r=e.target;r.removeeventlistener("dispose",i);let a=n.get(r);void 0!==a&&(n.delete(r),a.dispose())}return{get:function(a){if(a&&a.istexture){let s=a.mapping,o=s===ed||s===ep,l=s===ec||s===eh;if(o||l){if(a.isrendertargettexture&&!0===a.needspmremupdate){a.needspmremupdate=!1;let i=n.get(a);return null===r&&(r=new ai(e)),i=o?r.fromequirectangular(a,i):r.fromcubemap(a,i),n.set(a,i),i.texture}if(n.has(a))return n.get(a).texture;{let s=a.image;if(!(o&&s&&s.height>0||l&&s&&function(e){let n=0;for(let r=0;r<6;r++)void 0!==e[r]&&n++;return 6===n}(s)))return null;{null===r&&(r=new ai(e));let s=o?r.fromequirectangular(a):r.fromcubemap(a);return n.set(a,s),a.addeventlistener("dispose",i),s.texture}}}}return a},dispose:function(){n=new weakmap,null!==r&&(r.dispose(),r=null)}}}function ah(e){let n={};function r(r){let i;if(void 0!==n[r])return n[r];switch(r){case"webgl_depth_texture":i=e.getextension("webgl_depth_texture")||e.getextension("moz_webgl_depth_texture")||e.getextension("webkit_webgl_depth_texture");break;case"ext_texture_filter_anisotropic":i=e.getextension("ext_texture_filter_anisotropic")||e.getextension("moz_ext_texture_filter_anisotropic")||e.getextension("webkit_ext_texture_filter_anisotropic");break;case"webgl_compressed_texture_s3tc":i=e.getextension("webgl_compressed_texture_s3tc")||e.getextension("moz_webgl_compressed_texture_s3tc")||e.getextension("webkit_webgl_compressed_texture_s3tc");break;case"webgl_compressed_texture_pvrtc":i=e.getextension("webgl_compressed_texture_pvrtc")||e.getextension("webkit_webgl_compressed_texture_pvrtc");break;default:i=e.getextension(r)}return n[r]=i,i}return{has:function(e){return null!==r(e)},init:function(e){e.iswebgl2?r("ext_color_buffer_float"):(r("webgl_depth_texture"),r("oes_texture_float"),r("oes_texture_half_float"),r("oes_texture_half_float_linear"),r("oes_standard_derivatives"),r("oes_element_index_uint"),r("oes_vertex_array_object"),r("angle_instanced_arrays")),r("oes_texture_float_linear"),r("ext_color_buffer_half_float"),r("webgl_multisampled_render_to_texture")},get:function(e){let n=r(e);return null===n&&console.warn("three.webglrenderer: "+e+" extension not supported."),n}}}function ad(e,n,r,i){let a={},s=new weakmap;function o(e){let l=e.target;for(let e in null!==l.index&&n.remove(l.index),l.attributes)n.remove(l.attributes[e]);l.removeeventlistener("dispose",o),delete a[l.id];let u=s.get(l);u&&(n.remove(u),s.delete(l)),i.releasestatesofgeometry(l),!0===l.isinstancedbuffergeometry&&delete l._maxinstancecount,r.memory.geometries--}function l(e){let r=[],i=e.index,a=e.attributes.position,o=0;if(null!==i){let e=i.array;o=i.version;for(let n=0,i=e.length;n<i;n+=3){let i=e[n+0],a=e[n+1],s=e[n+2];r.push(i,a,a,s,s,i)}}else{let e=a.array;o=a.version;for(let n=0,i=e.length/3-1;n<i;n+=3){let e=n+0,i=n+1,a=n+2;r.push(e,i,i,a,a,e)}}let l=new(na(r)?ie:r8)(r,1);l.version=o;let u=s.get(e);u&&n.remove(u),s.set(e,l)}return{get:function(e,n){return!0===a[n.id]||(n.addeventlistener("dispose",o),a[n.id]=!0,r.memory.geometries++),n},update:function(e){let r=e.attributes;for(let e in r)n.update(r[e],34962);let i=e.morphattributes;for(let e in i){let r=i[e];for(let e=0,i=r.length;e<i;e++)n.update(r[e],34962)}},getwireframeattribute:function(e){let n=s.get(e);if(n){let r=e.index;null!==r&&n.version<r.version&&l(e)}else l(e);return s.get(e)}}}function ap(e,n,r,i){let a,s,o;let l=i.iswebgl2;this.setmode=function(e){a=e},this.setindex=function(e){s=e.type,o=e.bytesperelement},this.render=function(n,i){e.drawelements(a,i,s,n*o),r.update(i,a,1)},this.renderinstances=function(i,u,c){let h,d;if(0!==c){if(l)h=e,d="drawelementsinstanced";else if(h=n.get("angle_instanced_arrays"),d="drawelementsinstancedangle",null===h){console.error("three.webglindexedbufferrenderer: using three.instancedbuffergeometry but hardware does not support extension angle_instanced_arrays.");return}h[d](a,u,s,i*o,c),r.update(u,a,c)}}}function af(e){let n={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:n,programs:null,autoreset:!0,reset:function(){n.frame++,n.calls=0,n.triangles=0,n.points=0,n.lines=0},update:function(e,r,i){switch(n.calls++,r){case 4:n.triangles+=i*(e/3);break;case 1:n.lines+=i*(e/2);break;case 3:n.lines+=i*(e-1);break;case 2:n.lines+=i*e;break;case 0:n.points+=i*e;break;default:console.error("three.webglinfo: unknown draw mode:",r)}}}}function am(e,n){return e[0]-n[0]}function ag(e,n){return math.abs(n[1])-math.abs(e[1])}function av(e,n,r){let i={},a=new float32array(8),s=new weakmap,o=new nu,l=[];for(let e=0;e<8;e++)l[e]=[e,0];return{update:function(u,c,h,d){let 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u=n*y;!0===e&&(o.frombufferattribute(a,n),g[c+u+0]=o.x,g[c+u+1]=o.y,g[c+u+2]=o.z,g[c+u+3]=0),!0===r&&(o.frombufferattribute(s,n),g[c+u+4]=o.x,g[c+u+5]=o.y,g[c+u+6]=o.z,g[c+u+7]=0),!0===i&&(o.frombufferattribute(l,n),g[c+u+8]=o.x,g[c+u+9]=o.y,g[c+u+10]=o.z,g[c+u+11]=4===l.itemsize?o.w:1)}}l={count:a,texture:v,size:new ny(f,m)},s.set(c,l),c.addeventlistener("dispose",function e(){v.dispose(),s.delete(c),c.removeeventlistener("dispose",e)})}let u=0;for(let e=0;e<p.length;e++)u+=p[e];let h=c.morphtargetsrelative?1:1-u;d.getuniforms().setvalue(e,"morphtargetbaseinfluence",h),d.getuniforms().setvalue(e,"morphtargetinfluences",p),d.getuniforms().setvalue(e,"morphtargetstexture",l.texture,r),d.getuniforms().setvalue(e,"morphtargetstexturesize",l.size)}else{let n=void 0===p?0:p.length,r=i[c.id];if(void 0===r||r.length!==n){r=[];for(let e=0;e<n;e++)r[e]=[e,0];i[c.id]=r}for(let e=0;e<n;e++){let n=r[e];n[0]=e,n[1]=p[e]}r.sort(ag);for(let 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r=this.cache;if(void 0!==n.x)(r[0]!==n.x||r[1]!==n.y)&&(e.uniform2f(this.addr,n.x,n.y),r[0]=n.x,r[1]=n.y);else{if(ab(r,n))return;e.uniform2fv(this.addr,n),ap(r,n)}}function ad(e,n){let r=this.cache;if(void 0!==n.x)(r[0]!==n.x||r[1]!==n.y||r[2]!==n.z)&&(e.uniform3f(this.addr,n.x,n.y,n.z),r[0]=n.x,r[1]=n.y,r[2]=n.z);else if(void 0!==n.r)(r[0]!==n.r||r[1]!==n.g||r[2]!==n.b)&&(e.uniform3f(this.addr,n.r,n.g,n.b),r[0]=n.r,r[1]=n.g,r[2]=n.b);else{if(ab(r,n))return;e.uniform3fv(this.addr,n),ap(r,n)}}function af(e,n){let r=this.cache;if(void 0!==n.x)(r[0]!==n.x||r[1]!==n.y||r[2]!==n.z||r[3]!==n.w)&&(e.uniform4f(this.addr,n.x,n.y,n.z,n.w),r[0]=n.x,r[1]=n.y,r[2]=n.z,r[3]=n.w);else{if(ab(r,n))return;e.uniform4fv(this.addr,n),ap(r,n)}}function ao(e,n){let r=this.cache,i=n.elements;if(void 0===i){if(ab(r,n))return;e.uniformmatrix2fv(this.addr,!1,n),ap(r,n)}else{if(ab(r,i))return;ae.set(i),e.uniformmatrix2fv(this.addr,!1,ae),ap(r,i)}}function an(e,n){let r=this.cache,i=n.elements;if(void 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i=e.getactiveattrib(n,a),s=i.name,o=1;35674===i.type&&(o=2),35675===i.type&&(o=3),35676===i.type&&(o=4),r[s]={type:i.type,location:e.getattriblocation(n,s),locationsize:o}}return r}(h,w)),l},this.destroy=function(){i.releasestatesofprogram(this),h.deleteprogram(w),this.program=void 0},this.name=r.shadername,this.id=sp++,this.cachekey=n,this.usedtimes=1,this.program=w,this.vertexshader=b,this.fragmentshader=p,this}let sc=0;class se{constructor(){this.shadercache=new map,this.materialcache=new map}update(e){let n=e.vertexshader,r=e.fragmentshader,i=this._getshaderstage(n),a=this._getshaderstage(r),s=this._getshadercacheformaterial(e);return!1===s.has(i)&&(s.add(i),i.usedtimes++),!1===s.has(a)&&(s.add(a),a.usedtimes++),this}remove(e){let n=this.materialcache.get(e);for(let e of n)e.usedtimes--,0===e.usedtimes&&this.shadercache.delete(e.code);return this.materialcache.delete(e),this}getvertexshaderid(e){return this._getshaderstage(e.vertexshader).id}getfragmentshaderid(e){return this._getshaderstage(e.fragmentshader).id}dispose(){this.shadercache.clear(),this.materialcache.clear()}_getshadercacheformaterial(e){let n=this.materialcache,r=n.get(e);return void 0===r&&(r=new set,n.set(e,r)),r}_getshaderstage(e){let n=this.shadercache,r=n.get(e);return void 0===r&&(r=new st(e),n.set(e,r)),r}}class st{constructor(e){this.id=sc++,this.code=e,this.usedtimes=0}}function sb(e,n,r,i,a,s,o){let l=new rc,u=new se,c=[],h=a.iswebgl2,d=a.logarithmicdepthbuffer,p=a.vertextextures,f=a.precision,m={meshdepthmaterial:"depth",meshdistancematerial:"distancergba",meshnormalmaterial:"normal",meshbasicmaterial:"basic",meshlambertmaterial:"lambert",meshphongmaterial:"phong",meshtoonmaterial:"toon",meshstandardmaterial:"physical",meshphysicalmaterial:"physical",meshmatcapmaterial:"matcap",linebasicmaterial:"basic",linedashedmaterial:"dashed",pointsmaterial:"points",shadowmaterial:"shadow",spritematerial:"sprite"};return{getparameters:function(s,l,c,g,v){let y,x,_,m;let s=g.fog,c=v.geometry,e=s.ismeshstandardmaterial?g.environment:null,t=(s.ismeshstandardmaterial?r:n).get(s.envmap||e),b=t&&t.mapping===ef?t.image.height:null,p=m[s.type];null!==s.precision&&(f=a.getmaxprecision(s.precision))!==s.precision&&console.warn("three.webglprogram.getparameters:",s.precision,"not supported, using",f,"instead.");let r=c.morphattributes.position||c.morphattributes.normal||c.morphattributes.color,l=void 0!==r?r.length:0,i=0;if(void 0!==c.morphattributes.position&&(i=1),void 0!==c.morphattributes.normal&&(i=2),void 0!==c.morphattributes.color&&(i=3),p){let e=iz[p];y=e.vertexshader,x=e.fragmentshader}else y=s.vertexshader,x=s.fragmentshader,u.update(s),_=u.getvertexshaderid(s),m=u.getfragmentshaderid(s);let d=e.getrendertarget(),f=s.alphatest>0,o=s.clearcoat>0,n=s.iridescence>0,k={iswebgl2:h,shaderid:p,shadername:s.type,vertexshader:y,fragmentshader:x,defines:s.defines,customvertexshaderid:_,customfragmentshaderid:m,israwshadermaterial:!0===s.israwshadermaterial,glslversion:s.glslversion,precision:f,instancing:!0===v.isinstancedmesh,instancingcolor:!0===v.isinstancedmesh&&null!==v.instancecolor,supportsvertextextures:p,outputencoding:null===d?e.outputencoding:!0===d.isxrrendertarget?d.texture.encoding:tp,map:!!s.map,matcap:!!s.matcap,envmap:!!t,envmapmode:t&&t.mapping,envmapcubeuvheight:b,lightmap:!!s.lightmap,aomap:!!s.aomap,emissivemap:!!s.emissivemap,bumpmap:!!s.bumpmap,normalmap:!!s.normalmap,objectspacenormalmap:s.normalmaptype===tf,tangentspacenormalmap:s.normalmaptype===td,decodevideotexture:!!s.map&&!0===s.map.isvideotexture&&s.map.encoding===tr,clearcoat:o,clearcoatmap:o&&!!s.clearcoatmap,clearcoatroughnessmap:o&&!!s.clearcoatroughnessmap,clearcoatnormalmap:o&&!!s.clearcoatnormalmap,iridescence:n,iridescencemap:n&&!!s.iridescencemap,iridescencethicknessmap:n&&!!s.iridescencethicknessmap,displacementmap:!!s.displacementmap,roughnessmap:!!s.roughnessmap,metalnessmap:!!s.metalnessmap,specularmap:!!s.specularmap,specularintensitymap:!!s.specularintensitymap,specularcolormap:!!s.specularcolormap,opaque:!1===s.transparent&&s.blending===w,alphamap:!!s.alphamap,alphatest:f,gradientmap:!!s.gradientmap,sheen:s.sheen>0,sheencolormap:!!s.sheencolormap,sheenroughnessmap:!!s.sheenroughnessmap,transmission:s.transmission>0,transmissionmap:!!s.transmissionmap,thicknessmap:!!s.thicknessmap,combine:s.combine,vertextangents:!!s.normalmap&&!!c.attributes.tangent,vertexcolors:s.vertexcolors,vertexalphas:!0===s.vertexcolors&&!!c.attributes.color&&4===c.attributes.color.itemsize,vertexuvs:!!s.map||!!s.bumpmap||!!s.normalmap||!!s.specularmap||!!s.alphamap||!!s.emissivemap||!!s.roughnessmap||!!s.metalnessmap||!!s.clearcoatmap||!!s.clearcoatroughnessmap||!!s.clearcoatnormalmap||!!s.iridescencemap||!!s.iridescencethicknessmap||!!s.displacementmap||!!s.transmissionmap||!!s.thicknessmap||!!s.specularintensitymap||!!s.specularcolormap||!!s.sheencolormap||!!s.sheenroughnessmap,uvsvertexonly:!(s.map||s.bumpmap||s.normalmap||s.specularmap||s.alphamap||s.emissivemap||s.roughnessmap||s.metalnessmap||s.clearcoatnormalmap||s.iridescencemap||s.iridescencethicknessmap||s.transmission>0||s.transmissionmap||s.thicknessmap||s.specularintensitymap||s.specularcolormap||s.sheen>0||s.sheencolormap||s.sheenroughnessmap)&&!!s.displacementmap,fog:!!s,usefog:!0===s.fog,fogexp2:s&&s.isfogexp2,flatshading:!!s.flatshading,sizeattenuation:s.sizeattenuation,logarithmicdepthbuffer:d,skinning:!0===v.isskinnedmesh,morphtargets:void 0!==c.morphattributes.position,morphnormals:void 0!==c.morphattributes.normal,morphcolors:void 0!==c.morphattributes.color,morphtargetscount:l,morphtexturestride:i,numdirlights:l.directional.length,numpointlights:l.point.length,numspotlights:l.spot.length,numspotlightmaps:l.spotlightmap.length,numrectarealights:l.rectarea.length,numhemilights:l.hemi.length,numdirlightshadows:l.directionalshadowmap.length,numpointlightshadows:l.pointshadowmap.length,numspotlightshadows:l.spotshadowmap.length,numspotlightshadowswithmaps:l.numspotlightshadowswithmaps,numclippingplanes:o.numplanes,numclipintersection:o.numintersection,dithering:s.dithering,shadowmapenabled:e.shadowmap.enabled&&c.length>0,shadowmaptype:e.shadowmap.type,tonemapping:s.tonemapped?e.tonemapping:er,physicallycorrectlights:e.physicallycorrectlights,premultipliedalpha:s.premultipliedalpha,doublesided:s.side===b,flipsided:s.side===a,usedepthpacking:!!s.depthpacking,depthpacking:s.depthpacking||0,index0attributename:s.index0attributename,extensionderivatives:s.extensions&&s.extensions.derivatives,extensionfragdepth:s.extensions&&s.extensions.fragdepth,extensiondrawbuffers:s.extensions&&s.extensions.drawbuffers,extensionshadertexturelod:s.extensions&&s.extensions.shadertexturelod,rendererextensionfragdepth:h||i.has("ext_frag_depth"),rendererextensiondrawbuffers:h||i.has("webgl_draw_buffers"),rendererextensionshadertexturelod:h||i.has("ext_shader_texture_lod"),customprogramcachekey:s.customprogramcachekey()};return k},getprogramcachekey:function(n){let r=[];if(n.shaderid?r.push(n.shaderid):(r.push(n.customvertexshaderid),r.push(n.customfragmentshaderid)),void 0!==n.defines)for(let e in n.defines)r.push(e),r.push(n.defines[e]);return!1===n.israwshadermaterial&&(r.push(n.precision),r.push(n.outputencoding),r.push(n.envmapmode),r.push(n.envmapcubeuvheight),r.push(n.combine),r.push(n.vertexuvs),r.push(n.fogexp2),r.push(n.sizeattenuation),r.push(n.morphtargetscount),r.push(n.morphattributecount),r.push(n.numdirlights),r.push(n.numpointlights),r.push(n.numspotlights),r.push(n.numspotlightmaps),r.push(n.numhemilights),r.push(n.numrectarealights),r.push(n.numdirlightshadows),r.push(n.numpointlightshadows),r.push(n.numspotlightshadows),r.push(n.numspotlightshadowswithmaps),r.push(n.shadowmaptype),r.push(n.tonemapping),r.push(n.numclippingplanes),r.push(n.numclipintersection),r.push(n.depthpacking),l.disableall(),n.iswebgl2&&l.enable(0),n.supportsvertextextures&&l.enable(1),n.instancing&&l.enable(2),n.instancingcolor&&l.enable(3),n.map&&l.enable(4),n.matcap&&l.enable(5),n.envmap&&l.enable(6),n.lightmap&&l.enable(7),n.aomap&&l.enable(8),n.emissivemap&&l.enable(9),n.bumpmap&&l.enable(10),n.normalmap&&l.enable(11),n.objectspacenormalmap&&l.enable(12),n.tangentspacenormalmap&&l.enable(13),n.clearcoat&&l.enable(14),n.clearcoatmap&&l.enable(15),n.clearcoatroughnessmap&&l.enable(16),n.clearcoatnormalmap&&l.enable(17),n.iridescence&&l.enable(18),n.iridescencemap&&l.enable(19),n.iridescencethicknessmap&&l.enable(20),n.displacementmap&&l.enable(21),n.specularmap&&l.enable(22),n.roughnessmap&&l.enable(23),n.metalnessmap&&l.enable(24),n.gradientmap&&l.enable(25),n.alphamap&&l.enable(26),n.alphatest&&l.enable(27),n.vertexcolors&&l.enable(28),n.vertexalphas&&l.enable(29),n.vertexuvs&&l.enable(30),n.vertextangents&&l.enable(31),n.uvsvertexonly&&l.enable(32),r.push(l.mask),l.disableall(),n.fog&&l.enable(0),n.usefog&&l.enable(1),n.flatshading&&l.enable(2),n.logarithmicdepthbuffer&&l.enable(3),n.skinning&&l.enable(4),n.morphtargets&&l.enable(5),n.morphnormals&&l.enable(6),n.morphcolors&&l.enable(7),n.premultipliedalpha&&l.enable(8),n.shadowmapenabled&&l.enable(9),n.physicallycorrectlights&&l.enable(10),n.doublesided&&l.enable(11),n.flipsided&&l.enable(12),n.usedepthpacking&&l.enable(13),n.dithering&&l.enable(14),n.specularintensitymap&&l.enable(15),n.specularcolormap&&l.enable(16),n.transmission&&l.enable(17),n.transmissionmap&&l.enable(18),n.thicknessmap&&l.enable(19),n.sheen&&l.enable(20),n.sheencolormap&&l.enable(21),n.sheenroughnessmap&&l.enable(22),n.decodevideotexture&&l.enable(23),n.opaque&&l.enable(24),r.push(l.mask),r.push(e.outputencoding)),r.push(n.customprogramcachekey),r.join()},getuniforms:function(e){let n;let r=m[e.type];if(r){let e=iz[r];n=ii.clone(e.uniforms)}else n=e.uniforms;return n},acquireprogram:function(n,r){let i;for(let e=0,n=c.length;e<n;e++){let n=c[e];if(n.cachekey===r){i=n,++i.usedtimes;break}}return void 0===i&&(i=new sw(e,r,n,s),c.push(i)),i},releaseprogram:function(e){if(0==--e.usedtimes){let n=c.indexof(e);c[n]=c[c.length-1],c.pop(),e.destroy()}},releaseshadercache:function(e){u.remove(e)},programs:c,dispose:function(){u.dispose()}}}function sp(){let e=new weakmap;return{get:function(n){let r=e.get(n);return void 0===r&&(r={},e.set(n,r)),r},remove:function(n){e.delete(n)},update:function(n,r,i){e.get(n)[r]=i},dispose:function(){e=new weakmap}}}function sr(e,n){return e.grouporder!==n.grouporder?e.grouporder-n.grouporder:e.renderorder!==n.renderorder?e.renderorder-n.renderorder:e.material.id!==n.material.id?e.material.id-n.material.id:e.z!==n.z?e.z-n.z:e.id-n.id}function sl(e,n){return e.grouporder!==n.grouporder?e.grouporder-n.grouporder:e.renderorder!==n.renderorder?e.renderorder-n.renderorder:e.z!==n.z?n.z-e.z:e.id-n.id}function si(){let e=[],n=0,r=[],i=[],a=[];function s(r,i,a,s,o,l){let u=e[n];return void 0===u?(u={id:r.id,object:r,geometry:i,material:a,grouporder:s,renderorder:r.renderorder,z:o,group:l},e[n]=u):(u.id=r.id,u.object=r,u.geometry=i,u.material=a,u.grouporder=s,u.renderorder=r.renderorder,u.z=o,u.group=l),n++,u}return{opaque:r,transmissive:i,transparent:a,init:function(){n=0,r.length=0,i.length=0,a.length=0},push:function(e,n,o,l,u,c){let h=s(e,n,o,l,u,c);o.transmission>0?i.push(h):!0===o.transparent?a.push(h):r.push(h)},unshift:function(e,n,o,l,u,c){let h=s(e,n,o,l,u,c);o.transmission>0?i.unshift(h):!0===o.transparent?a.unshift(h):r.unshift(h)},finish:function(){for(let r=n,i=e.length;r<i;r++){let n=e[r];if(null===n.id)break;n.id=null,n.object=null,n.geometry=null,n.material=null,n.group=null}},sort:function(e,n){r.length>1&&r.sort(e||sr),i.length>1&&i.sort(n||sl),a.length>1&&a.sort(n||sl)}}}function sd(){let e=new weakmap;return{get:function(n,r){let i;let a=e.get(n);return void 0===a?(i=new si,e.set(n,[i])):r>=a.length?(i=new si,a.push(i)):i=a[r],i},dispose:function(){e=new weakmap}}}function sf(){let e={};return{get:function(n){let r;if(void 0!==e[n.id])return e[n.id];switch(n.type){case"directionallight":r={direction:new ny,color:new nf};break;case"spotlight":r={position:new ny,direction:new ny,color:new nf,distance:0,conecos:0,penumbracos:0,decay:0};break;case"pointlight":r={position:new ny,color:new nf,distance:0,decay:0};break;case"hemispherelight":r={direction:new ny,skycolor:new nf,groundcolor:new nf};break;case"rectarealight":r={color:new nf,position:new ny,halfwidth:new ny,halfheight:new ny}}return e[n.id]=r,r}}}let so=0;function sn(e,n){return(n.castshadow?2:0)-(e.castshadow?2:0)+(n.map?1:0)-(e.map?1:0)}function sk(e,n){let r=new sf,i=function(){let e={};return{get:function(n){let r;if(void 0!==e[n.id])return e[n.id];switch(n.type){case"directionallight":case"spotlight":r={shadowbias:0,shadownormalbias:0,shadowradius:1,shadowmapsize:new ny};break;case"pointlight":r={shadowbias:0,shadownormalbias:0,shadowradius:1,shadowmapsize:new ny,shadowcameranear:1,shadowcamerafar:1e3}}return e[n.id]=r,r}}}(),a={version:0,hash:{directionallength:-1,pointlength:-1,spotlength:-1,rectarealength:-1,hemilength:-1,numdirectionalshadows:-1,numpointshadows:-1,numspotshadows:-1,numspotmaps:-1},ambient:[0,0,0],probe:[],directional:[],directionalshadow:[],directionalshadowmap:[],directionalshadowmatrix:[],spot:[],spotlightmap:[],spotshadow:[],spotshadowmap:[],spotlightmatrix:[],rectarea:[],rectarealtc1:null,rectarealtc2:null,point:[],pointshadow:[],pointshadowmap:[],pointshadowmatrix:[],hemi:[],numspotlightshadowswithmaps:0};for(let e=0;e<9;e++)a.probe.push(new ny);let s=new ny,o=new rm,l=new rm;return{setup:function(s,o){let l=0,u=0,c=0;for(let e=0;e<9;e++)a.probe[e].set(0,0,0);let h=0,d=0,p=0,f=0,m=0,g=0,v=0,y=0,x=0,_=0;s.sort(sn);let a=!0!==o?math.pi:1;for(let e=0,n=s.length;e<n;e++){let n=s[e],o=n.color,b=n.intensity,m=n.distance,s=n.shadow&&n.shadow.map?n.shadow.map.texture:null;if(n.isambientlight)l+=o.r*b*a,u+=o.g*b*a,c+=o.b*b*a;else if(n.islightprobe)for(let e=0;e<9;e++)a.probe[e].addscaledvector(n.sh.coefficients[e],b);else if(n.isdirectionallight){let e=r.get(n);if(e.color.copy(n.color).multiplyscalar(n.intensity*a),n.castshadow){let e=n.shadow,r=i.get(n);r.shadowbias=e.bias,r.shadownormalbias=e.normalbias,r.shadowradius=e.radius,r.shadowmapsize=e.mapsize,a.directionalshadow[h]=r,a.directionalshadowmap[h]=s,a.directionalshadowmatrix[h]=n.shadow.matrix,g++}a.directional[h]=e,h++}else if(n.isspotlight){let e=r.get(n);e.position.setfrommatrixposition(n.matrixworld),e.color.copy(o).multiplyscalar(b*a),e.distance=m,e.conecos=math.cos(n.angle),e.penumbracos=math.cos(n.angle*(1-n.penumbra)),e.decay=n.decay,a.spot[p]=e;let s=n.shadow;if(n.map&&(a.spotlightmap[x]=n.map,x++,s.updatematrices(n),n.castshadow&&_++),a.spotlightmatrix[p]=s.matrix,n.castshadow){let e=i.get(n);e.shadowbias=s.bias,e.shadownormalbias=s.normalbias,e.shadowradius=s.radius,e.shadowmapsize=s.mapsize,a.spotshadow[p]=e,a.spotshadowmap[p]=s,y++}p++}else if(n.isrectarealight){let e=r.get(n);e.color.copy(o).multiplyscalar(b),e.halfwidth.set(.5*n.width,0,0),e.halfheight.set(0,.5*n.height,0),a.rectarea[f]=e,f++}else if(n.ispointlight){let e=r.get(n);if(e.color.copy(n.color).multiplyscalar(n.intensity*a),e.distance=n.distance,e.decay=n.decay,n.castshadow){let e=n.shadow,r=i.get(n);r.shadowbias=e.bias,r.shadownormalbias=e.normalbias,r.shadowradius=e.radius,r.shadowmapsize=e.mapsize,r.shadowcameranear=e.camera.near,r.shadowcamerafar=e.camera.far,a.pointshadow[d]=r,a.pointshadowmap[d]=s,a.pointshadowmatrix[d]=n.shadow.matrix,v++}a.point[d]=e,d++}else if(n.ishemispherelight){let e=r.get(n);e.skycolor.copy(n.color).multiplyscalar(b*a),e.groundcolor.copy(n.groundcolor).multiplyscalar(b*a),a.hemi[m]=e,m++}}f>0&&(n.iswebgl2?(a.rectarealtc1=iq.ltc_float_1,a.rectarealtc2=iq.ltc_float_2):!0===e.has("oes_texture_float_linear")?(a.rectarealtc1=iq.ltc_float_1,a.rectarealtc2=iq.ltc_float_2):!0===e.has("oes_texture_half_float_linear")?(a.rectarealtc1=iq.ltc_half_1,a.rectarealtc2=iq.ltc_half_2):console.error("three.webglrenderer: unable to use rectarealight. missing webgl extensions.")),a.ambient[0]=l,a.ambient[1]=u,a.ambient[2]=c;let b=a.hash;(b.directionallength!==h||b.pointlength!==d||b.spotlength!==p||b.rectarealength!==f||b.hemilength!==m||b.numdirectionalshadows!==g||b.numpointshadows!==v||b.numspotshadows!==y||b.numspotmaps!==x)&&(a.directional.length=h,a.spot.length=p,a.rectarea.length=f,a.point.length=d,a.hemi.length=m,a.directionalshadow.length=g,a.directionalshadowmap.length=g,a.pointshadow.length=v,a.pointshadowmap.length=v,a.spotshadow.length=y,a.spotshadowmap.length=y,a.directionalshadowmatrix.length=g,a.pointshadowmatrix.length=v,a.spotlightmatrix.length=y+x-_,a.spotlightmap.length=x,a.numspotlightshadowswithmaps=_,b.directionallength=h,b.pointlength=d,b.spotlength=p,b.rectarealength=f,b.hemilength=m,b.numdirectionalshadows=g,b.numpointshadows=v,b.numspotshadows=y,b.numspotmaps=x,a.version=so++)},setupview:function(e,n){let r=0,i=0,u=0,c=0,h=0,d=n.matrixworldinverse;for(let n=0,p=e.length;n<p;n++){let p=e[n];if(p.isdirectionallight){let e=a.directional[r];e.direction.setfrommatrixposition(p.matrixworld),s.setfrommatrixposition(p.target.matrixworld),e.direction.sub(s),e.direction.transformdirection(d),r++}else if(p.isspotlight){let e=a.spot[u];e.position.setfrommatrixposition(p.matrixworld),e.position.applymatrix4(d),e.direction.setfrommatrixposition(p.matrixworld),s.setfrommatrixposition(p.target.matrixworld),e.direction.sub(s),e.direction.transformdirection(d),u++}else if(p.isrectarealight){let e=a.rectarea[c];e.position.setfrommatrixposition(p.matrixworld),e.position.applymatrix4(d),l.identity(),o.copy(p.matrixworld),o.premultiply(d),l.extractrotation(o),e.halfwidth.set(.5*p.width,0,0),e.halfheight.set(0,.5*p.height,0),e.halfwidth.applymatrix4(l),e.halfheight.applymatrix4(l),c++}else if(p.ispointlight){let e=a.point[i];e.position.setfrommatrixposition(p.matrixworld),e.position.applymatrix4(d),i++}else if(p.ishemispherelight){let e=a.hemi[h];e.direction.setfrommatrixposition(p.matrixworld),e.direction.transformdirection(d),h++}}},state:a}}function sh(e,n){let r=new sk(e,n),i=[],a=[];return{init:function(){i.length=0,a.length=0},state:{lightsarray:i,shadowsarray:a,lights:r},setuplights:function(e){r.setup(i,e)},setuplightsview:function(e){r.setupview(i,e)},pushlight:function(e){i.push(e)},pushshadow:function(e){a.push(e)}}}function sg(e,n){let r=new weakmap;return{get:function(i,a=0){let s;let o=r.get(i);return void 0===o?(s=new sh(e,n),r.set(i,[s])):a>=o.length?(s=new sh(e,n),o.push(s)):s=o[a],s},dispose:function(){r=new weakmap}}}class su extends r${constructor(e){super(),this.ismeshdepthmaterial=!0,this.type="meshdepthmaterial",this.depthpacking=tl,this.map=null,this.alphamap=null,this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.wireframe=!1,this.wireframelinewidth=1,this.setvalues(e)}copy(e){return super.copy(e),this.depthpacking=e.depthpacking,this.map=e.map,this.alphamap=e.alphamap,this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this}}class sz extends r${constructor(e){super(),this.ismeshdistancematerial=!0,this.type="meshdistancematerial",this.referenceposition=new ny,this.neardistance=1,this.fardistance=1e3,this.map=null,this.alphamap=null,this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.setvalues(e)}copy(e){return super.copy(e),this.referenceposition.copy(e.referenceposition),this.neardistance=e.neardistance,this.fardistance=e.fardistance,this.map=e.map,this.alphamap=e.alphamap,this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this}}function sv(e,n,r){let i=new ij,a=new ny,s=new ny,o=new nu,l=new su({depthpacking:ti}),u=new sz,c={},h=r.maxtexturesize,d={[_]:a,[a]:_,[b]:b},p=new id({defines:{vsm_samples:8},uniforms:{shadow_pass:{value:null},resolution:{value:new ny},radius:{value:4}},vertexshader:"void main() {\n	gl_position = vec4( position, 1.0 );\n}",fragmentshader:"uniform sampler2d shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n	const float samples = float( vsm_samples );\n	float mean = 0.0;\n	float squared_mean = 0.0;\n	float uvstride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n	float uvstart = samples <= 1.0 ? 0.0 : - 1.0;\n	for ( float i = 0.0; i < samples; i ++ ) {\n		float uvoffset = uvstart + i * uvstride;\n		#ifdef horizontal_pass\n			vec2 distribution = unpackrgbato2half( texture2d( shadow_pass, ( gl_fragcoord.xy + vec2( uvoffset, 0.0 ) * radius ) / resolution ) );\n			mean += distribution.x;\n			squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n		#else\n			float depth = unpackrgbatodepth( texture2d( shadow_pass, ( gl_fragcoord.xy + vec2( 0.0, uvoffset ) * radius ) / resolution ) );\n			mean += depth;\n			squared_mean += depth * depth;\n		#endif\n	}\n	mean = mean / samples;\n	squared_mean = squared_mean / samples;\n	float std_dev = sqrt( squared_mean - mean * mean );\n	gl_fragcolor = pack2halftorgba( vec2( mean, std_dev ) );\n}"}),f=p.clone();f.defines.horizontal_pass=1;let m=new id;m.setattribute("position",new r3(new float32array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));let g=new ie(m,p),y=this;function m(n,r,i,a,s,o){let h=null,p=!0===i.ispointlight?n.customdistancematerial:n.customdepthmaterial;if(void 0!==p)h=p;else if(h=!0===i.ispointlight?u:l,e.localclippingenabled&&!0===r.clipshadows&&array.isarray(r.clippingplanes)&&0!==r.clippingplanes.length||r.displacementmap&&0!==r.displacementscale||r.alphamap&&r.alphatest>0||r.map&&r.alphatest>0){let e=h.uuid,n=r.uuid,i=c[e];void 0===i&&(i={},c[e]=i);let a=i[n];void 0===a&&(a=h.clone(),i[n]=a),h=a}return h.visible=r.visible,h.wireframe=r.wireframe,o===x?h.side=null!==r.shadowside?r.shadowside:r.side:h.side=null!==r.shadowside?r.shadowside:d[r.side],h.alphamap=r.alphamap,h.alphatest=r.alphatest,h.map=r.map,h.clipshadows=r.clipshadows,h.clippingplanes=r.clippingplanes,h.clipintersection=r.clipintersection,h.displacementmap=r.displacementmap,h.displacementscale=r.displacementscale,h.displacementbias=r.displacementbias,h.wireframelinewidth=r.wireframelinewidth,h.linewidth=r.linewidth,!0===i.ispointlight&&!0===h.ismeshdistancematerial&&(h.referenceposition.setfrommatrixposition(i.matrixworld),h.neardistance=a,h.fardistance=s),h}this.enabled=!1,this.autoupdate=!0,this.needsupdate=!1,this.type=v,this.render=function(r,l,u){if(!1===y.enabled||!1===y.autoupdate&&!1===y.needsupdate||0===r.length)return;let c=e.getrendertarget(),d=e.getactivecubeface(),m=e.getactivemipmaplevel(),v=e.state;v.setblending(s),v.buffers.color.setclear(1,1,1,1),v.buffers.depth.settest(!0),v.setscissortest(!1);for(let c=0,d=r.length;c<d;c++){let d=r[c],m=d.shadow;if(void 0===m){console.warn("three.webglshadowmap:",d,"has no shadow.");continue}if(!1===m.autoupdate&&!1===m.needsupdate)continue;a.copy(m.mapsize);let y=m.getframeextents();if(a.multiply(y),s.copy(m.mapsize),(a.x>h||a.y>h)&&(a.x>h&&(s.x=math.floor(h/y.x),a.x=s.x*y.x,m.mapsize.x=s.x),a.y>h&&(s.y=math.floor(h/y.y),a.y=s.y*y.y,m.mapsize.y=s.y)),null===m.map){let e=this.type!==x?{minfilter:ey,magfilter:ey}:{};m.map=new nz(a.x,a.y,e),m.map.texture.name=d.name+".shadowmap",m.camera.updateprojectionmatrix()}e.setrendertarget(m.map),e.clear();let _=m.getviewportcount();for(let r=0;r<_;r++){let a=m.getviewport(r);o.set(s.x*a.x,s.y*a.y,s.x*a.z,s.y*a.w),v.viewport(o),m.updatematrices(d,r),i=m.getfrustum(),function r(a,s,o,l,u){if(!1===a.visible)return;let c=a.layers.test(s.layers);if(c&&(a.ismesh||a.isline||a.ispoints)&&(a.castshadow||a.receiveshadow&&u===x)&&(!a.frustumculled||i.intersectsobject(a))){a.modelviewmatrix.multiplymatrices(o.matrixworldinverse,a.matrixworld);let r=n.update(a),i=a.material;if(array.isarray(i)){let n=r.groups;for(let s=0,c=n.length;s<c;s++){let c=n[s],h=i[c.materialindex];if(h&&h.visible){let n=m(a,h,l,o.near,o.far,u);e.renderbufferdirect(o,null,r,n,a,c)}}}else if(i.visible){let n=m(a,i,l,o.near,o.far,u);e.renderbufferdirect(o,null,r,n,a,null)}}let h=a.children;for(let e=0,n=h.length;e<n;e++)r(h[e],s,o,l,u)}(l,u,m.camera,d,this.type)}!0!==m.ispointlightshadow&&this.type===x&&function(r,i){let s=n.update(g);p.defines.vsm_samples!==r.blursamples&&(p.defines.vsm_samples=r.blursamples,f.defines.vsm_samples=r.blursamples,p.needsupdate=!0,f.needsupdate=!0),null===r.mappass&&(r.mappass=new nz(a.x,a.y)),p.uniforms.shadow_pass.value=r.map.texture,p.uniforms.resolution.value=r.mapsize,p.uniforms.radius.value=r.radius,e.setrendertarget(r.mappass),e.clear(),e.renderbufferdirect(i,null,s,p,g,null),f.uniforms.shadow_pass.value=r.mappass.texture,f.uniforms.resolution.value=r.mapsize,f.uniforms.radius.value=r.radius,e.setrendertarget(r.map),e.clear(),e.renderbufferdirect(i,null,s,f,g,null)}(m,u),m.needsupdate=!1}y.needsupdate=!1,e.setrendertarget(c,d,m)}}function sj(e,n,r){let i=r.iswebgl2,a=new function(){let n=!1,r=new nu,i=null,a=new nu(0,0,0,0);return{setmask:function(r){i===r||n||(e.colormask(r,r,r,r),i=r)},setlocked:function(e){n=e},setclear:function(n,i,s,o,l){!0===l&&(n*=o,i*=o,s*=o),r.set(n,i,s,o),!1===a.equals(r)&&(e.clearcolor(n,i,s,o),a.copy(r))},reset:function(){n=!1,i=null,a.set(-1,0,0,0)}}},s=new function(){let 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o=s.convert(a.format,a.encoding),l=s.convert(a.type),u=s(a.internalformat,o,l,a.encoding,!0===n.isxrrendertarget),h=g(n);e.renderbufferstoragemultisample(36161,h,u,n.width,n.height),e.framebufferrenderbuffer(36160,36064+r,36161,c.__webglcolorrenderbuffer[r])}e.bindrenderbuffer(36161,null),n.depthbuffer&&(c.__webgldepthrenderbuffer=e.createrenderbuffer(),k(c.__webgldepthrenderbuffer,n,!0)),r.bindframebuffer(36160,null)}}if(d){r.bindtexture(34067,h.__webgltexture),d(34067,l,f);for(let e=0;e<6;e++)n(c.__webglframebuffer[e],n,l,36064,34069+e);b(l,f)&&m(34067),r.unbindtexture()}else if(p){let e=n.texture;for(let a=0,s=e.length;a<s;a++){let s=e[a],o=i.get(s);r.bindtexture(3553,o.__webgltexture),d(3553,s,f),n(c.__webglframebuffer,n,s,36064+a,3553),b(s,f)&&m(3553)}r.unbindtexture()}else{let e=3553;(n.iswebgl3drendertarget||n.iswebglarrayrendertarget)&&(u?e=n.iswebgl3drendertarget?32879:35866:console.error("three.webgltextures: three.data3dtexture and three.dataarraytexture only supported with webgl2.")),r.bindtexture(e,h.__webgltexture),d(e,l,f),n(c.__webglframebuffer,n,l,36064,e),b(l,f)&&m(e),r.unbindtexture()}n.depthbuffer&&h(n)},this.updaterendertargetmipmap=function(e){let n=a(e)||u,a=!0===e.iswebglmultiplerendertargets?e.texture:[e.texture];for(let s=0,o=a.length;s<o;s++){let o=a[s];if(b(o,n)){let n=e.iswebglcuberendertarget?34067:3553,a=i.get(o).__webgltexture;r.bindtexture(n,a),m(n),r.unbindtexture()}}},this.updatemultisamplerendertarget=function(n){if(u&&n.samples>0&&!1===u(n)){let a=n.iswebglmultiplerendertargets?n.texture:[n.texture],s=n.width,o=n.height,l=16384,u=[],c=n.stencilbuffer?33306:36096,h=i.get(n),d=!0===n.iswebglmultiplerendertargets;if(d)for(let n=0;n<a.length;n++)r.bindframebuffer(36160,h.__webglmultisampledframebuffer),e.framebufferrenderbuffer(36160,36064+n,36161,null),r.bindframebuffer(36160,h.__webglframebuffer),e.framebuffertexture2d(36009,36064+n,3553,null,0);r.bindframebuffer(36008,h.__webglmultisampledframebuffer),r.bindframebuffer(36009,h.__webglframebuffer);for(let r=0;r<a.length;r++){u.push(36064+r),n.depthbuffer&&u.push(c);let p=void 0!==h.__ignoredepthvalues&&h.__ignoredepthvalues;if(!1===p&&(n.depthbuffer&&(l|=256),n.stencilbuffer&&(l|=1024)),d&&e.framebufferrenderbuffer(36008,36064,36161,h.__webglcolorrenderbuffer[r]),!0===p&&(e.invalidateframebuffer(36008,[c]),e.invalidateframebuffer(36009,[c])),d){let n=i.get(a[r]).__webgltexture;e.framebuffertexture2d(36009,36064,3553,n,0)}e.blitframebuffer(0,0,s,o,0,0,s,o,l,9728),m&&e.invalidateframebuffer(36008,u)}if(r.bindframebuffer(36008,null),r.bindframebuffer(36009,null),d)for(let n=0;n<a.length;n++){r.bindframebuffer(36160,h.__webglmultisampledframebuffer),e.framebufferrenderbuffer(36160,36064+n,36161,h.__webglcolorrenderbuffer[n]);let s=i.get(a[n]).__webgltexture;r.bindframebuffer(36160,h.__webglframebuffer),e.framebuffertexture2d(36009,36064+n,3553,s,0)}r.bindframebuffer(36009,h.__webglmultisampledframebuffer)}},this.setupdepthrenderbuffer=h,this.setupframebuffertexture=n,this.usemultisampledrtt=u}function sj(e,n,r){let i=r.iswebgl2;return{convert:function(r,a=null){let s;if(r===et)return 5121;if(r===eo)return 32819;if(r===en)return 32820;if(r===eb)return 5120;if(r===ep)return 5122;if(r===er)return 5123;if(r===el)return 5124;if(r===ei)return 5125;if(r===ed)return 5126;if(r===ef)return i?5131:null!==(s=n.get("oes_texture_half_float"))?s.half_float_oes:null;if(r===eh)return 6406;if(r===eg)return 6408;if(r===eu)return 6409;if(r===ez)return 6410;if(r===ev)return 6402;if(r===ej)return 34041;if(r===nn)return null!==(s=n.get("ext_srgb"))?s.srgb_alpha_ext:null;if(r===ew)return 6403;if(r===ej)return 36244;if(r===ex)return 33319;if(r===ek)return 33320;if(r===ey)return 36249;if(r===eq||r===eq||r===ez||r===e$){if(a===tr){if(null===(s=n.get("webgl_compressed_texture_s3tc_srgb")))return null;if(r===eq)return s.compressed_srgb_s3tc_dxt1_ext;if(r===eq)return s.compressed_srgb_alpha_s3tc_dxt1_ext;if(r===ez)return s.compressed_srgb_alpha_s3tc_dxt3_ext;if(r===e$)return s.compressed_srgb_alpha_s3tc_dxt5_ext}else{if(null===(s=n.get("webgl_compressed_texture_s3tc")))return null;if(r===eq)return s.compressed_rgb_s3tc_dxt1_ext;if(r===eq)return s.compressed_rgba_s3tc_dxt1_ext;if(r===ez)return s.compressed_rgba_s3tc_dxt3_ext;if(r===e$)return s.compressed_rgba_s3tc_dxt5_ext}}if(r===e0||r===e1||r===e2||r===e3){if(null===(s=n.get("webgl_compressed_texture_pvrtc")))return null;if(r===e0)return s.compressed_rgb_pvrtc_4bppv1_img;if(r===e1)return s.compressed_rgb_pvrtc_2bppv1_img;if(r===e2)return s.compressed_rgba_pvrtc_4bppv1_img;if(r===e3)return s.compressed_rgba_pvrtc_2bppv1_img}if(r===e4)return null!==(s=n.get("webgl_compressed_texture_etc1"))?s.compressed_rgb_etc1_webgl:null;if(r===e6||r===e5){if(null===(s=n.get("webgl_compressed_texture_etc")))return null;if(r===e6)return a===tr?s.compressed_srgb8_etc2:s.compressed_rgb8_etc2;if(r===e5)return a===tr?s.compressed_srgb8_alpha8_etc2_eac:s.compressed_rgba8_etc2_eac}if(r===e9||r===e8||r===e7||r===te||r===tt||r===tn||r===tr||r===ti||r===ta||r===ts||r===to||r===tl||r===tu||r===tc){if(null===(s=n.get("webgl_compressed_texture_astc")))return null;if(r===e9)return a===tr?s.compressed_srgb8_alpha8_astc_4x4_khr:s.compressed_rgba_astc_4x4_khr;if(r===e8)return a===tr?s.compressed_srgb8_alpha8_astc_5x4_khr:s.compressed_rgba_astc_5x4_khr;if(r===e7)return a===tr?s.compressed_srgb8_alpha8_astc_5x5_khr:s.compressed_rgba_astc_5x5_khr;if(r===te)return a===tr?s.compressed_srgb8_alpha8_astc_6x5_khr:s.compressed_rgba_astc_6x5_khr;if(r===tt)return a===tr?s.compressed_srgb8_alpha8_astc_6x6_khr:s.compressed_rgba_astc_6x6_khr;if(r===tn)return a===tr?s.compressed_srgb8_alpha8_astc_8x5_khr:s.compressed_rgba_astc_8x5_khr;if(r===tr)return a===tr?s.compressed_srgb8_alpha8_astc_8x6_khr:s.compressed_rgba_astc_8x6_khr;if(r===ti)return a===tr?s.compressed_srgb8_alpha8_astc_8x8_khr:s.compressed_rgba_astc_8x8_khr;if(r===ta)return a===tr?s.compressed_srgb8_alpha8_astc_10x5_khr:s.compressed_rgba_astc_10x5_khr;if(r===ts)return a===tr?s.compressed_srgb8_alpha8_astc_10x6_khr:s.compressed_rgba_astc_10x6_khr;if(r===to)return a===tr?s.compressed_srgb8_alpha8_astc_10x8_khr:s.compressed_rgba_astc_10x8_khr;if(r===tl)return a===tr?s.compressed_srgb8_alpha8_astc_10x10_khr:s.compressed_rgba_astc_10x10_khr;if(r===tu)return a===tr?s.compressed_srgb8_alpha8_astc_12x10_khr:s.compressed_rgba_astc_12x10_khr;if(r===tc)return a===tr?s.compressed_srgb8_alpha8_astc_12x12_khr:s.compressed_rgba_astc_12x12_khr}if(r===th){if(null===(s=n.get("ext_texture_compression_bptc")))return null;if(r===th)return a===tr?s.compressed_srgb_alpha_bptc_unorm_ext:s.compressed_rgba_bptc_unorm_ext}if(r===td||r===tp||r===tf||r===tm){if(null===(s=n.get("ext_texture_compression_rgtc")))return null;if(r===th)return s.compressed_red_rgtc1_ext;if(r===tp)return s.compressed_signed_red_rgtc1_ext;if(r===tf)return s.compressed_red_green_rgtc2_ext;if(r===tm)return s.compressed_signed_red_green_rgtc2_ext}return r===ek?i?34042:null!==(s=n.get("webgl_depth_texture"))?s.unsigned_int_24_8_webgl:null:void 0!==e[r]?e[r]:null}}}class sx extends io{constructor(e=[]){super(),this.isarraycamera=!0,this.cameras=e}}class sk extends rg{constructor(){super(),this.isgroup=!0,this.type="group"}}let sy={type:"move"};class sq{constructor(){this._targetray=null,this._grip=null,this._hand=null}gethandspace(){return null===this._hand&&(this._hand=new sk,this._hand.matrixautoupdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputstate={pinching:!1}),this._hand}gettargetrayspace(){return null===this._targetray&&(this._targetray=new sk,this._targetray.matrixautoupdate=!1,this._targetray.visible=!1,this._targetray.haslinearvelocity=!1,this._targetray.linearvelocity=new ny,this._targetray.hasangularvelocity=!1,this._targetray.angularvelocity=new ny),this._targetray}getgripspace(){return null===this._grip&&(this._grip=new sk,this._grip.matrixautoupdate=!1,this._grip.visible=!1,this._grip.haslinearvelocity=!1,this._grip.linearvelocity=new ny,this._grip.hasangularvelocity=!1,this._grip.angularvelocity=new ny),this._grip}dispatchevent(e){return null!==this._targetray&&this._targetray.dispatchevent(e),null!==this._grip&&this._grip.dispatchevent(e),null!==this._hand&&this._hand.dispatchevent(e),this}connect(e){if(e&&e.hand){let n=this._hand;if(n)for(let r of e.hand.values())this._gethandjoint(n,r)}return this.dispatchevent({type:"connected",data:e}),this}disconnect(e){return this.dispatchevent({type:"disconnected",data:e}),null!==this._targetray&&(this._targetray.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(e,n,r){let i=null,a=null,s=null,o=this._targetray,l=this._grip,u=this._hand;if(e&&"visible-blurred"!==n.session.visibilitystate){if(u&&e.hand){for(let i of(s=!0,e.hand.values())){let e=n.getjointpose(i,r),a=this._gethandjoint(u,i);null!==e&&(a.matrix.fromarray(e.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.jointradius=e.radius),a.visible=null!==e}let i=u.joints["index-finger-tip"],a=u.joints["thumb-tip"],o=i.position.distanceto(a.position);u.inputstate.pinching&&o>.025?(u.inputstate.pinching=!1,this.dispatchevent({type:"pinchend",handedness:e.handedness,target:this})):!u.inputstate.pinching&&o<=.015&&(u.inputstate.pinching=!0,this.dispatchevent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==l&&e.gripspace&&null!==(a=n.getpose(e.gripspace,r))&&(l.matrix.fromarray(a.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),a.linearvelocity?(l.haslinearvelocity=!0,l.linearvelocity.copy(a.linearvelocity)):l.haslinearvelocity=!1,a.angularvelocity?(l.hasangularvelocity=!0,l.angularvelocity.copy(a.angularvelocity)):l.hasangularvelocity=!1);null!==o&&(null===(i=n.getpose(e.targetrayspace,r))&&null!==a&&(i=a),null!==i&&(o.matrix.fromarray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),i.linearvelocity?(o.haslinearvelocity=!0,o.linearvelocity.copy(i.linearvelocity)):o.haslinearvelocity=!1,i.angularvelocity?(o.hasangularvelocity=!0,o.angularvelocity.copy(i.angularvelocity)):o.hasangularvelocity=!1,this.dispatchevent(sy)))}return null!==o&&(o.visible=null!==i),null!==l&&(l.visible=null!==a),null!==u&&(u.visible=null!==s),this}_gethandjoint(e,n){if(void 0===e.joints[n.jointname]){let r=new sk;r.matrixautoupdate=!1,r.visible=!1,e.joints[n.jointname]=r,e.add(r)}return e.joints[n.jointname]}}class sq extends ng{constructor(e,n,r,i,a,s,o,l,u,c){if((c=void 0!==c?c:ev)!==ev&&c!==ej)throw error("depthtexture format must be either three.depthformat or three.depthstencilformat");void 0===r&&c===ev&&(r=ei),void 0===r&&c===ej&&(r=ek),super(null,i,a,s,o,l,c,r,u),this.isdepthtexture=!0,this.image={width:e,height:n},this.magfilter=void 0!==o?o:ey,this.minfilter=void 0!==l?l:ey,this.flipy=!1,this.generatemipmaps=!1}}class sz extends nr{constructor(e,n){super();let r=this,i=null,a=1,s=null,o="local-floor",l=1,u=null,c=null,h=null,d=null,p=null,f=null,m=n.getcontextattributes(),g=null,v=null,y=[],x=[],_=new set,a=new map,b=new io;b.layers.enable(1),b.viewport=new nu;let m=new io;m.layers.enable(2),m.viewport=new nu;let s=[b,m],w=new sx;w.layers.enable(1),w.layers.enable(2);let c=null,e=null;function t(e){let n=x.indexof(e.inputsource);if(-1===n)return;let r=y[n];void 0!==r&&r.dispatchevent({type:e.type,data:e.inputsource})}function b(){i.removeeventlistener("select",t),i.removeeventlistener("selectstart",t),i.removeeventlistener("selectend",t),i.removeeventlistener("squeeze",t),i.removeeventlistener("squeezestart",t),i.removeeventlistener("squeezeend",t),i.removeeventlistener("end",b),i.removeeventlistener("inputsourceschange",p);for(let e=0;e<y.length;e++){let n=x[e];null!==n&&(x[e]=null,y[e].disconnect(n))}c=null,e=null,e.setrendertarget(g),p=null,d=null,h=null,i=null,v=null,f.stop(),r.ispresenting=!1,r.dispatchevent({type:"sessionend"})}function p(e){for(let n=0;n<e.removed.length;n++){let r=e.removed[n],i=x.indexof(r);i>=0&&(x[i]=null,y[i].disconnect(r))}for(let n=0;n<e.added.length;n++){let r=e.added[n],i=x.indexof(r);if(-1===i){for(let e=0;e<y.length;e++){if(e>=x.length){x.push(r),i=e;break}if(null===x[e]){x[e]=r,i=e;break}}if(-1===i)break}let a=y[i];a&&a.connect(r)}}this.cameraautoupdate=!0,this.enabled=!1,this.ispresenting=!1,this.getcontroller=function(e){let n=y[e];return void 0===n&&(n=new sq,y[e]=n),n.gettargetrayspace()},this.getcontrollergrip=function(e){let n=y[e];return void 0===n&&(n=new sq,y[e]=n),n.getgripspace()},this.gethand=function(e){let n=y[e];return void 0===n&&(n=new sq,y[e]=n),n.gethandspace()},this.setframebufferscalefactor=function(e){a=e,!0===r.ispresenting&&console.warn("three.webxrmanager: cannot change framebuffer scale while presenting.")},this.setreferencespacetype=function(e){o=e,!0===r.ispresenting&&console.warn("three.webxrmanager: cannot change reference space type while presenting.")},this.getreferencespace=function(){return u||s},this.setreferencespace=function(e){u=e},this.getbaselayer=function(){return null!==d?d:p},this.getbinding=function(){return h},this.getframe=function(){return f},this.getsession=function(){return i},this.setsession=async function(c){if(null!==(i=c)){if(g=e.getrendertarget(),i.addeventlistener("select",t),i.addeventlistener("selectstart",t),i.addeventlistener("selectend",t),i.addeventlistener("squeeze",t),i.addeventlistener("squeezestart",t),i.addeventlistener("squeezeend",t),i.addeventlistener("end",b),i.addeventlistener("inputsourceschange",p),!0!==m.xrcompatible&&await n.makexrcompatible(),void 0===i.renderstate.layers||!1===e.capabilities.iswebgl2){let r={antialias:void 0!==i.renderstate.layers||m.antialias,alpha:m.alpha,depth:m.depth,stencil:m.stencil,framebufferscalefactor:a};p=new xrwebgllayer(i,n,r),i.updaterenderstate({baselayer:p}),v=new nz(p.framebufferwidth,p.framebufferheight,{format:eg,type:et,encoding:e.outputencoding,stencilbuffer:m.stencil})}else{let r=null,s=null,o=null;m.depth&&(o=m.stencil?35056:33190,r=m.stencil?ej:ev,s=m.stencil?ek:ei);let l={colorformat:32856,depthformat:o,scalefactor:a};d=(h=new xrwebglbinding(i,n)).createprojectionlayer(l),i.updaterenderstate({layers:[d]}),v=new 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a,s;r.opacity.value=i.opacity,i.color&&r.diffuse.value.copy(i.color),i.emissive&&r.emissive.value.copy(i.emissive).multiplyscalar(i.emissiveintensity),i.map&&(r.map.value=i.map),i.alphamap&&(r.alphamap.value=i.alphamap),i.bumpmap&&(r.bumpmap.value=i.bumpmap,r.bumpscale.value=i.bumpscale,i.side===a&&(r.bumpscale.value*=-1)),i.displacementmap&&(r.displacementmap.value=i.displacementmap,r.displacementscale.value=i.displacementscale,r.displacementbias.value=i.displacementbias),i.emissivemap&&(r.emissivemap.value=i.emissivemap),i.normalmap&&(r.normalmap.value=i.normalmap,r.normalscale.value.copy(i.normalscale),i.side===a&&r.normalscale.value.negate()),i.specularmap&&(r.specularmap.value=i.specularmap),i.alphatest>0&&(r.alphatest.value=i.alphatest);let o=n.get(i).envmap;if(o&&(r.envmap.value=o,r.flipenvmap.value=o.iscubetexture&&!1===o.isrendertargettexture?-1:1,r.reflectivity.value=i.reflectivity,r.ior.value=i.ior,r.refractionratio.value=i.refractionratio),i.lightmap){r.lightmap.value=i.lightmap;let n=!0!==e.physicallycorrectlights?math.pi:1;r.lightmapintensity.value=i.lightmapintensity*n}i.aomap&&(r.aomap.value=i.aomap,r.aomapintensity.value=i.aomapintensity),i.map?a=i.map:i.specularmap?a=i.specularmap:i.displacementmap?a=i.displacementmap:i.normalmap?a=i.normalmap:i.bumpmap?a=i.bumpmap:i.roughnessmap?a=i.roughnessmap:i.metalnessmap?a=i.metalnessmap:i.alphamap?a=i.alphamap:i.emissivemap?a=i.emissivemap:i.clearcoatmap?a=i.clearcoatmap:i.clearcoatnormalmap?a=i.clearcoatnormalmap:i.clearcoatroughnessmap?a=i.clearcoatroughnessmap:i.iridescencemap?a=i.iridescencemap:i.iridescencethicknessmap?a=i.iridescencethicknessmap:i.specularintensitymap?a=i.specularintensitymap:i.specularcolormap?a=i.specularcolormap:i.transmissionmap?a=i.transmissionmap:i.thicknessmap?a=i.thicknessmap:i.sheencolormap?a=i.sheencolormap:i.sheenroughnessmap&&(a=i.sheenroughnessmap),void 0!==a&&(a.iswebglrendertarget&&(a=a.texture),!0===a.matrixautoupdate&&a.updatematrix(),r.uvtransform.value.copy(a.matrix)),i.aomap?s=i.aomap:i.lightmap&&(s=i.lightmap),void 0!==s&&(s.iswebglrendertarget&&(s=s.texture),!0===s.matrixautoupdate&&s.updatematrix(),r.uv2transform.value.copy(s.matrix))}return{refreshfoguniforms:function(n,r){r.color.getrgb(n.fogcolor.value,il(e)),r.isfog?(n.fognear.value=r.near,n.fogfar.value=r.far):r.isfogexp2&&(n.fogdensity.value=r.density)},refreshmaterialuniforms:function(e,i,a,s,o){var l,u,c,h,d,p,f,m,g;let 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i=n.get(r).envmap;i&&(e.envmapintensity.value=r.envmapintensity)}(e,i),i.ismeshphysicalmaterial&&((c=e).ior.value=i.ior,i.sheen>0&&(c.sheencolor.value.copy(i.sheencolor).multiplyscalar(i.sheen),c.sheenroughness.value=i.sheenroughness,i.sheencolormap&&(c.sheencolormap.value=i.sheencolormap),i.sheenroughnessmap&&(c.sheenroughnessmap.value=i.sheenroughnessmap)),i.clearcoat>0&&(c.clearcoat.value=i.clearcoat,c.clearcoatroughness.value=i.clearcoatroughness,i.clearcoatmap&&(c.clearcoatmap.value=i.clearcoatmap),i.clearcoatroughnessmap&&(c.clearcoatroughnessmap.value=i.clearcoatroughnessmap),i.clearcoatnormalmap&&(c.clearcoatnormalscale.value.copy(i.clearcoatnormalscale),c.clearcoatnormalmap.value=i.clearcoatnormalmap,i.side===a&&c.clearcoatnormalscale.value.negate())),i.iridescence>0&&(c.iridescence.value=i.iridescence,c.iridescenceior.value=i.iridescenceior,c.iridescencethicknessminimum.value=i.iridescencethicknessrange[0],c.iridescencethicknessmaximum.value=i.iridescencethicknessrange[1],i.iridescencemap&&(c.iridescencemap.value=i.iridescencemap),i.iridescencethicknessmap&&(c.iridescencethicknessmap.value=i.iridescencethicknessmap)),i.transmission>0&&(c.transmission.value=i.transmission,c.transmissionsamplermap.value=o.texture,c.transmissionsamplersize.value.set(o.width,o.height),i.transmissionmap&&(c.transmissionmap.value=i.transmissionmap),c.thickness.value=i.thickness,i.thicknessmap&&(c.thicknessmap.value=i.thicknessmap),c.attenuationdistance.value=i.attenuationdistance,c.attenuationcolor.value.copy(i.attenuationcolor)),c.specularintensity.value=i.specularintensity,c.specularcolor.value.copy(i.specularcolor),i.specularintensitymap&&(c.specularintensitymap.value=i.specularintensitymap),i.specularcolormap&&(c.specularcolormap.value=i.specularcolormap))):i.ismeshmatcapmaterial?(r(e,i),h=e,i.matcap&&(h.matcap.value=i.matcap)):i.ismeshdepthmaterial?r(e,i):i.ismeshdistancematerial?(r(e,i),(d=e).referenceposition.value.copy(i.referenceposition),d.neardistance.value=i.neardistance,d.fardistance.value=i.fardistance):i.ismeshnormalmaterial?r(e,i):i.islinebasicmaterial?((p=e).diffuse.value.copy(i.color),p.opacity.value=i.opacity,i.islinedashedmaterial&&((f=e).dashsize.value=i.dashsize,f.totalsize.value=i.dashsize+i.gapsize,f.scale.value=i.scale)):i.ispointsmaterial?((m=e).diffuse.value.copy(i.color),m.opacity.value=i.opacity,m.size.value=i.size*a,m.scale.value=.5*s,i.map&&(m.map.value=i.map),i.alphamap&&(m.alphamap.value=i.alphamap),i.alphatest>0&&(m.alphatest.value=i.alphatest),i.map?v=i.map:i.alphamap&&(v=i.alphamap),void 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el(g,e,n);null!==k&&(l.updatemultisamplerendertarget(k),l.updaterendertargetmipmap(k)),!0===e.isscene&&e.onafterrender(j,e,n),b.resetdefaultstate(),y=-1,q=null,v.pop(),u=v.length>0?v[v.length-1]:null,z.pop(),g=z.length>0?z[z.length-1]:null},this.getactivecubeface=function(){return j},this.getactivemipmaplevel=function(){return x},this.getrendertarget=function(){return k},this.setrendertargettextures=function(e,n,i){o.get(e.texture).__webgltexture=n,o.get(e.depthtexture).__webgltexture=i;let a=o.get(e);a.__hasexternaltextures=!0,a.__hasexternaltextures&&(a.__autoallocatedepthbuffer=void 0===i,a.__autoallocatedepthbuffer||!0!==r.has("webgl_multisampled_render_to_texture")||(console.warn("three.webglrenderer: render-to-texture extension was disabled because an external texture was provided"),a.__userendertotexture=!1))},this.setrendertargetframebuffer=function(e,n){let r=o.get(e);r.__webglframebuffer=n,r.__usedefaultframebuffer=void 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i=o.get(e.texture);ey.framebuffertexturelayer(36160,36064,i.__webgltexture,r||0,n||0)}y=-1},this.readrendertargetpixels=function(e,n,s,l,u,c,h){if(!(e&&e.iswebglrendertarget)){console.error("three.webglrenderer.readrendertargetpixels: rendertarget is not three.webglrendertarget.");return}let d=o.get(e).__webglframebuffer;if(e.iswebglcuberendertarget&&void 0!==h&&(d=d[h]),d){a.bindframebuffer(36160,d);try{let a=e.texture,o=a.format,h=a.type;if(o!==eg&&t.convert(o)!==ey.getparameter(35739)){console.error("three.webglrenderer.readrendertargetpixels: rendertarget is not in rgba or implementation defined format.");return}let d=h===ef&&(r.has("ext_color_buffer_half_float")||i.iswebgl2&&r.has("ext_color_buffer_float"));if(h!==et&&t.convert(h)!==ey.getparameter(35738)&&!(h===ed&&(i.iswebgl2||r.has("oes_texture_float")||r.has("webgl_color_buffer_float")))&&!d){console.error("three.webglrenderer.readrendertargetpixels: rendertarget is not in unsignedbytetype or implementation defined type.");return}n>=0&&n<=e.width-l&&s>=0&&s<=e.height-u&&ey.readpixels(n,s,l,u,t.convert(o),t.convert(h),c)}finally{let e=null!==k?o.get(k).__webglframebuffer:null;a.bindframebuffer(36160,e)}}},this.copyframebuffertotexture=function(e,n,r=0){let i=math.pow(2,-r),s=math.floor(n.image.width*i),o=math.floor(n.image.height*i);l.settexture2d(n,0),ey.copytexsubimage2d(3553,r,0,0,e.x,e.y,s,o),a.unbindtexture()},this.copytexturetotexture=function(e,n,r,i=0){let s=n.image.width,o=n.image.height,u=t.convert(r.format),c=t.convert(r.type);l.settexture2d(r,0),ey.pixelstorei(37440,r.flipy),ey.pixelstorei(37441,r.premultiplyalpha),ey.pixelstorei(3317,r.unpackalignment),n.isdatatexture?ey.texsubimage2d(3553,i,e.x,e.y,s,o,u,c,n.image.data):n.iscompressedtexture?ey.compressedtexsubimage2d(3553,i,e.x,e.y,n.mipmaps[0].width,n.mipmaps[0].height,u,n.mipmaps[0].data):ey.texsubimage2d(3553,i,e.x,e.y,u,c,n.image),0===i&&r.generatemipmaps&&ey.generatemipmap(3553),a.unbindtexture()},this.copytexturetotexture3d=function(e,n,r,i,s=0){let o;if(j.iswebgl1renderer){console.warn("three.webglrenderer.copytexturetotexture3d: can only be used with webgl2.");return}let u=e.max.x-e.min.x+1,c=e.max.y-e.min.y+1,h=e.max.z-e.min.z+1,d=t.convert(i.format),p=t.convert(i.type);if(i.isdata3dtexture)l.settexture3d(i,0),o=32879;else if(i.isdataarraytexture)l.settexture2darray(i,0),o=35866;else{console.warn("three.webglrenderer.copytexturetotexture3d: only supports three.datatexture3d and three.datatexture2darray.");return}ey.pixelstorei(37440,i.flipy),ey.pixelstorei(37441,i.premultiplyalpha),ey.pixelstorei(3317,i.unpackalignment);let f=ey.getparameter(3314),m=ey.getparameter(32878),g=ey.getparameter(3316),v=ey.getparameter(3315),y=ey.getparameter(32877),x=r.iscompressedtexture?r.mipmaps[0]:r.image;ey.pixelstorei(3314,x.width),ey.pixelstorei(32878,x.height),ey.pixelstorei(3316,e.min.x),ey.pixelstorei(3315,e.min.y),ey.pixelstorei(32877,e.min.z),r.isdatatexture||r.isdata3dtexture?ey.texsubimage3d(o,s,n.x,n.y,n.z,u,c,h,d,p,x.data):r.iscompressedarraytexture?(console.warn("three.webglrenderer.copytexturetotexture3d: untested support for compressed srctexture."),ey.compressedtexsubimage3d(o,s,n.x,n.y,n.z,u,c,h,d,x.data)):ey.texsubimage3d(o,s,n.x,n.y,n.z,u,c,h,d,p,x),ey.pixelstorei(3314,f),ey.pixelstorei(32878,m),ey.pixelstorei(3316,g),ey.pixelstorei(3315,v),ey.pixelstorei(32877,y),0===s&&i.generatemipmaps&&ey.generatemipmap(o),a.unbindtexture()},this.inittexture=function(e){e.iscubetexture?l.settexturecube(e,0):e.isdata3dtexture?l.settexture3d(e,0):e.isdataarraytexture||e.iscompressedarraytexture?l.settexture2darray(e,0):l.settexture2d(e,0),a.unbindtexture()},this.resetstate=function(){j=0,x=0,k=null,a.reset(),b.reset()},"undefined"!=typeof __three_devtools__&&__three_devtools__.dispatchevent(new customevent("observe",{detail:this}))}class s2 extends s1{}s2.prototype.iswebgl1renderer=!0;class s3{constructor(e,n=25e-5){this.isfogexp2=!0,this.name="",this.color=new nf(e),this.density=n}clone(){return new s3(this.color,this.density)}tojson(){return{type:"fogexp2",color:this.color.gethex(),density:this.density}}}class s4{constructor(e,n=1,r=1e3){this.isfog=!0,this.name="",this.color=new nf(e),this.near=n,this.far=r}clone(){return new s4(this.color,this.near,this.far)}tojson(){return{type:"fog",color:this.color.gethex(),near:this.near,far:this.far}}}class s6 extends rg{constructor(){super(),this.isscene=!0,this.type="scene",this.background=null,this.environment=null,this.fog=null,this.backgroundblurriness=0,this.backgroundintensity=1,this.overridematerial=null,"undefined"!=typeof __three_devtools__&&__three_devtools__.dispatchevent(new customevent("observe",{detail:this}))}copy(e,n){return super.copy(e,n),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),this.backgroundblurriness=e.backgroundblurriness,this.backgroundintensity=e.backgroundintensity,null!==e.overridematerial&&(this.overridematerial=e.overridematerial.clone()),this.matrixautoupdate=e.matrixautoupdate,this}tojson(e){let n=super.tojson(e);return null!==this.fog&&(n.object.fog=this.fog.tojson()),this.backgroundblurriness>0&&(n.object.backgroundblurriness=this.backgroundblurriness),1!==this.backgroundintensity&&(n.object.backgroundintensity=this.backgroundintensity),n}get autoupdate(){return console.warn("three.scene: autoupdate was renamed to matrixworldautoupdate in r144."),this.matrixworldautoupdate}set autoupdate(e){console.warn("three.scene: autoupdate was renamed to matrixworldautoupdate in r144."),this.matrixworldautoupdate=e}}class s5{constructor(e,n){this.isinterleavedbuffer=!0,this.array=e,this.stride=n,this.count=void 0!==e?e.length/n:0,this.usage=t1,this.updaterange={offset:0,count:-1},this.version=0,this.uuid=nl()}onuploadcallback(){}set needsupdate(e){!0===e&&this.version++}setusage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyat(e,n,r){e*=this.stride,r*=n.stride;for(let i=0,a=this.stride;i<a;i++)this.array[e+i]=n.array[r+i];return this}set(e,n=0){return this.array.set(e,n),this}clone(e){void 0===e.arraybuffers&&(e.arraybuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=nl()),void 0===e.arraybuffers[this.array.buffer._uuid]&&(e.arraybuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);let n=new this.array.constructor(e.arraybuffers[this.array.buffer._uuid]),r=new this.constructor(n,this.stride);return r.setusage(this.usage),r}onupload(e){return this.onuploadcallback=e,this}tojson(e){return void 0===e.arraybuffers&&(e.arraybuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=nl()),void 0===e.arraybuffers[this.array.buffer._uuid]&&(e.arraybuffers[this.array.buffer._uuid]=array.from(new uint32array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}let s9=new ny;class s8{constructor(e,n,r,i=!1){this.isinterleavedbufferattribute=!0,this.name="",this.data=e,this.itemsize=n,this.offset=r,this.normalized=i}get count(){return this.data.count}get array(){return this.data.array}set needsupdate(e){this.data.needsupdate=e}applymatrix4(e){for(let n=0,r=this.data.count;n<r;n++)s9.frombufferattribute(this,n),s9.applymatrix4(e),this.setxyz(n,s9.x,s9.y,s9.z);return this}applynormalmatrix(e){for(let n=0,r=this.count;n<r;n++)s9.frombufferattribute(this,n),s9.applynormalmatrix(e),this.setxyz(n,s9.x,s9.y,s9.z);return this}transformdirection(e){for(let n=0,r=this.count;n<r;n++)s9.frombufferattribute(this,n),s9.transformdirection(e),this.setxyz(n,s9.x,s9.y,s9.z);return this}setx(e,n){return this.normalized&&(n=ng(n,this.array)),this.data.array[e*this.data.stride+this.offset]=n,this}sety(e,n){return this.normalized&&(n=ng(n,this.array)),this.data.array[e*this.data.stride+this.offset+1]=n,this}setz(e,n){return this.normalized&&(n=ng(n,this.array)),this.data.array[e*this.data.stride+this.offset+2]=n,this}setw(e,n){return this.normalized&&(n=ng(n,this.array)),this.data.array[e*this.data.stride+this.offset+3]=n,this}getx(e){let n=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(n=nm(n,this.array)),n}gety(e){let n=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(n=nm(n,this.array)),n}getz(e){let n=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(n=nm(n,this.array)),n}getw(e){let n=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(n=nm(n,this.array)),n}setxy(e,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(n=ng(n,this.array),r=ng(r,this.array)),this.data.array[e+0]=n,this.data.array[e+1]=r,this}setxyz(e,n,r,i){return e=e*this.data.stride+this.offset,this.normalized&&(n=ng(n,this.array),r=ng(r,this.array),i=ng(i,this.array)),this.data.array[e+0]=n,this.data.array[e+1]=r,this.data.array[e+2]=i,this}setxyzw(e,n,r,i,a){return e=e*this.data.stride+this.offset,this.normalized&&(n=ng(n,this.array),r=ng(r,this.array),i=ng(i,this.array),a=ng(a,this.array)),this.data.array[e+0]=n,this.data.array[e+1]=r,this.data.array[e+2]=i,this.data.array[e+3]=a,this}clone(e){if(void 0!==e)return void 0===e.interleavedbuffers&&(e.interleavedbuffers={}),void 0===e.interleavedbuffers[this.data.uuid]&&(e.interleavedbuffers[this.data.uuid]=this.data.clone(e)),new s8(e.interleavedbuffers[this.data.uuid],this.itemsize,this.offset,this.normalized);{console.log("three.interleavedbufferattribute.clone(): cloning an interleaved buffer attribute will de-interleave buffer data.");let e=[];for(let n=0;n<this.count;n++){let r=n*this.data.stride+this.offset;for(let n=0;n<this.itemsize;n++)e.push(this.data.array[r+n])}return new r3(new this.array.constructor(e),this.itemsize,this.normalized)}}tojson(e){if(void 0!==e)return void 0===e.interleavedbuffers&&(e.interleavedbuffers={}),void 0===e.interleavedbuffers[this.data.uuid]&&(e.interleavedbuffers[this.data.uuid]=this.data.tojson(e)),{isinterleavedbufferattribute:!0,itemsize:this.itemsize,data:this.data.uuid,offset:this.offset,normalized:this.normalized};{console.log("three.interleavedbufferattribute.tojson(): serializing an interleaved buffer attribute will de-interleave buffer data.");let e=[];for(let n=0;n<this.count;n++){let r=n*this.data.stride+this.offset;for(let n=0;n<this.itemsize;n++)e.push(this.data.array[r+n])}return{itemsize:this.itemsize,type:this.array.constructor.name,array:e,normalized:this.normalized}}}}class s7 extends r${constructor(e){super(),this.isspritematerial=!0,this.type="spritematerial",this.color=new nf(16777215),this.map=null,this.alphamap=null,this.rotation=0,this.sizeattenuation=!0,this.transparent=!0,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphamap=e.alphamap,this.rotation=e.rotation,this.sizeattenuation=e.sizeattenuation,this.fog=e.fog,this}}let oe=new ny,ot=new ny,on=new ny,or=new ny,oi=new ny,oa=new rm,os=new ny,oo=new ny,ol=new ny,ou=new ny,oc=new ny,oh=new ny;class od extends rg{constructor(e){if(super(),this.issprite=!0,this.type="sprite",void 0===a){a=new id;let e=new float32array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),n=new s5(e,5);a.setindex([0,1,2,0,2,3]),a.setattribute("position",new s8(n,3,0,!1)),a.setattribute("uv",new s8(n,2,3,!1))}this.geometry=a,this.material=void 0!==e?e:new s7,this.center=new ny(.5,.5)}raycast(e,n){let r,i;null===e.camera&&console.error('three.sprite: "raycaster.camera" needs to be set in order to raycast against sprites.'),ot.setfrommatrixscale(this.matrixworld),oa.copy(e.camera.matrixworld),this.modelviewmatrix.multiplymatrices(e.camera.matrixworldinverse,this.matrixworld),on.setfrommatrixposition(this.modelviewmatrix),e.camera.isperspectivecamera&&!1===this.material.sizeattenuation&&ot.multiplyscalar(-on.z);let a=this.material.rotation;0!==a&&(i=math.cos(a),r=math.sin(a));let s=this.center;op(os.set(-.5,-.5,0),on,s,ot,r,i),op(oo.set(.5,-.5,0),on,s,ot,r,i),op(ol.set(.5,.5,0),on,s,ot,r,i),ou.set(0,0),oc.set(1,0),oh.set(1,1);let o=e.ray.intersecttriangle(os,oo,ol,!1,oe);if(null===o&&(op(oo.set(-.5,.5,0),on,s,ot,r,i),oc.set(0,1),null===(o=e.ray.intersecttriangle(os,ol,oo,!1,oe))))return;let l=e.ray.origin.distanceto(oe);l<e.near||l>e.far||n.push({distance:l,point:oe.clone(),uv:rq.getuv(oe,os,oo,ol,ou,oc,oh,new ny),face:null,object:this})}copy(e,n){return super.copy(e,n),void 0!==e.center&&this.center.copy(e.center),this.material=e.material,this}}function op(e,n,r,i,a,s){or.subvectors(e,r).addscalar(.5).multiply(i),void 0!==a?(oi.x=s*or.x-a*or.y,oi.y=a*or.x+s*or.y):oi.copy(or),e.copy(n),e.x+=oi.x,e.y+=oi.y,e.applymatrix4(oa)}let of=new ny,om=new ny;class og extends rg{constructor(){super(),this._currentlevel=0,this.type="lod",object.defineproperties(this,{levels:{enumerable:!0,value:[]},islod:{value:!0}}),this.autoupdate=!0}copy(e){super.copy(e,!1);let n=e.levels;for(let e=0,r=n.length;e<r;e++){let r=n[e];this.addlevel(r.object.clone(),r.distance,r.hysteresis)}return this.autoupdate=e.autoupdate,this}addlevel(e,n=0,r=0){let i;n=math.abs(n);let a=this.levels;for(i=0;i<a.length&&!(n<a[i].distance);i++);return a.splice(i,0,{distance:n,hysteresis:r,object:e}),this.add(e),this}getcurrentlevel(){return this._currentlevel}getobjectfordistance(e){let n=this.levels;if(n.length>0){let r,i;for(r=1,i=n.length;r<i;r++){let i=n[r].distance;if(n[r].object.visible&&(i-=i*n[r].hysteresis),e<i)break}return n[r-1].object}return null}raycast(e,n){let r=this.levels;if(r.length>0){of.setfrommatrixposition(this.matrixworld);let r=e.ray.origin.distanceto(of);this.getobjectfordistance(r).raycast(e,n)}}update(e){let n=this.levels;if(n.length>1){let r,i;of.setfrommatrixposition(e.matrixworld),om.setfrommatrixposition(this.matrixworld);let a=of.distanceto(om)/e.zoom;for(r=1,n[0].object.visible=!0,i=n.length;r<i;r++){let e=n[r].distance;if(n[r].object.visible&&(e-=e*n[r].hysteresis),a>=e)n[r-1].object.visible=!1,n[r].object.visible=!0;else break}for(this._currentlevel=r-1;r<i;r++)n[r].object.visible=!1}}tojson(e){let n=super.tojson(e);!1===this.autoupdate&&(n.object.autoupdate=!1),n.object.levels=[];let r=this.levels;for(let e=0,i=r.length;e<i;e++){let i=r[e];n.object.levels.push({object:i.object.uuid,distance:i.distance,hysteresis:i.hysteresis})}return n}}let ov=new ny,oy=new nu,ox=new nu,o_=new ny,oa=new rm;class ob extends ie{constructor(e,n){super(e,n),this.isskinnedmesh=!0,this.type="skinnedmesh",this.bindmode="attached",this.bindmatrix=new rm,this.bindmatrixinverse=new rm}copy(e,n){return super.copy(e,n),this.bindmode=e.bindmode,this.bindmatrix.copy(e.bindmatrix),this.bindmatrixinverse.copy(e.bindmatrixinverse),this.skeleton=e.skeleton,this}bind(e,n){this.skeleton=e,void 0===n&&(this.updatematrixworld(!0),this.skeleton.calculateinverses(),n=this.matrixworld),this.bindmatrix.copy(n),this.bindmatrixinverse.copy(n).invert()}pose(){this.skeleton.pose()}normalizeskinweights(){let e=new nu,n=this.geometry.attributes.skinweight;for(let r=0,i=n.count;r<i;r++){e.frombufferattribute(n,r);let i=1/e.manhattanlength();i!==1/0?e.multiplyscalar(i):e.set(1,0,0,0),n.setxyzw(r,e.x,e.y,e.z,e.w)}}updatematrixworld(e){super.updatematrixworld(e),"attached"===this.bindmode?this.bindmatrixinverse.copy(this.matrixworld).invert():"detached"===this.bindmode?this.bindmatrixinverse.copy(this.bindmatrix).invert():console.warn("three.skinnedmesh: unrecognized bindmode: "+this.bindmode)}bonetransform(e,n){let r=this.skeleton,i=this.geometry;oy.frombufferattribute(i.attributes.skinindex,e),ox.frombufferattribute(i.attributes.skinweight,e),ov.copy(n).applymatrix4(this.bindmatrix),n.set(0,0,0);for(let e=0;e<4;e++){let i=ox.getcomponent(e);if(0!==i){let a=oy.getcomponent(e);oa.multiplymatrices(r.bones[a].matrixworld,r.boneinverses[a]),n.addscaledvector(o_.copy(ov).applymatrix4(oa),i)}}return n.applymatrix4(this.bindmatrixinverse)}}class om extends rg{constructor(){super(),this.isbone=!0,this.type="bone"}}class os extends ng{constructor(e=null,n=1,r=1,i,a,s,o,l,u=ey,c=ey,h,d){super(null,s,o,l,u,c,i,a,h,d),this.isdatatexture=!0,this.image={data:e,width:n,height:r},this.generatemipmaps=!1,this.flipy=!1,this.unpackalignment=1}}let ow=new rm,oc=new rm;class oe{constructor(e=[],n=[]){this.uuid=nl(),this.bones=e.slice(0),this.boneinverses=n,this.bonematrices=null,this.bonetexture=null,this.bonetexturesize=0,this.frame=-1,this.init()}init(){let e=this.bones,n=this.boneinverses;if(this.bonematrices=new float32array(16*e.length),0===n.length)this.calculateinverses();else if(e.length!==n.length){console.warn("three.skeleton: number of inverse bone matrices does not match amount of bones."),this.boneinverses=[];for(let e=0,n=this.bones.length;e<n;e++)this.boneinverses.push(new rm)}}calculateinverses(){this.boneinverses.length=0;for(let e=0,n=this.bones.length;e<n;e++){let n=new rm;this.bones[e]&&n.copy(this.bones[e].matrixworld).invert(),this.boneinverses.push(n)}}pose(){for(let e=0,n=this.bones.length;e<n;e++){let n=this.bones[e];n&&n.matrixworld.copy(this.boneinverses[e]).invert()}for(let e=0,n=this.bones.length;e<n;e++){let n=this.bones[e];n&&(n.parent&&n.parent.isbone?(n.matrix.copy(n.parent.matrixworld).invert(),n.matrix.multiply(n.matrixworld)):n.matrix.copy(n.matrixworld),n.matrix.decompose(n.position,n.quaternion,n.scale))}}update(){let e=this.bones,n=this.boneinverses,r=this.bonematrices,i=this.bonetexture;for(let i=0,a=e.length;i<a;i++){let a=e[i]?e[i].matrixworld:oc;ow.multiplymatrices(a,n[i]),ow.toarray(r,16*i)}null!==i&&(i.needsupdate=!0)}clone(){return new oe(this.bones,this.boneinverses)}computebonetexture(){let e=math.sqrt(4*this.bones.length);e=math.max(e=np(e),4);let n=new float32array(e*e*4);n.set(this.bonematrices);let r=new os(n,e,e,eg,ed);return r.needsupdate=!0,this.bonematrices=n,this.bonetexture=r,this.bonetexturesize=e,this}getbonebyname(e){for(let n=0,r=this.bones.length;n<r;n++){let r=this.bones[n];if(r.name===e)return r}}dispose(){null!==this.bonetexture&&(this.bonetexture.dispose(),this.bonetexture=null)}fromjson(e,n){this.uuid=e.uuid;for(let r=0,i=e.bones.length;r<i;r++){let i=e.bones[r],a=n[i];void 0===a&&(console.warn("three.skeleton: no bone found with uuid:",i),a=new om),this.bones.push(a),this.boneinverses.push(new rm().fromarray(e.boneinverses[r]))}return this.init(),this}tojson(){let e={metadata:{version:4.5,type:"skeleton",generator:"skeleton.tojson"},bones:[],boneinverses:[]};e.uuid=this.uuid;let n=this.bones,r=this.boneinverses;for(let i=0,a=n.length;i<a;i++){let a=n[i];e.bones.push(a.uuid);let s=r[i];e.boneinverses.push(s.toarray())}return e}}class ot extends r3{constructor(e,n,r,i=1){super(e,n,r),this.isinstancedbufferattribute=!0,this.meshperattribute=i}copy(e){return super.copy(e),this.meshperattribute=e.meshperattribute,this}tojson(){let e=super.tojson();return e.meshperattribute=this.meshperattribute,e.isinstancedbufferattribute=!0,e}}let ob=new rm,op=new rm,or=[],ol=new rm,oi=new ie;class od extends ie{constructor(e,n,r){super(e,n),this.isinstancedmesh=!0,this.instancematrix=new ot(new float32array(16*r),16),this.instancecolor=null,this.count=r,this.frustumculled=!1;for(let e=0;e<r;e++)this.setmatrixat(e,ol)}copy(e,n){return super.copy(e,n),this.instancematrix.copy(e.instancematrix),null!==e.instancecolor&&(this.instancecolor=e.instancecolor.clone()),this.count=e.count,this}getcolorat(e,n){n.fromarray(this.instancecolor.array,3*e)}getmatrixat(e,n){n.fromarray(this.instancematrix.array,16*e)}raycast(e,n){let r=this.matrixworld,i=this.count;if(oi.geometry=this.geometry,oi.material=this.material,void 0!==oi.material)for(let a=0;a<i;a++){this.getmatrixat(a,ob),op.multiplymatrices(r,ob),oi.matrixworld=op,oi.raycast(e,or);for(let e=0,r=or.length;e<r;e++){let r=or[e];r.instanceid=a,r.object=this,n.push(r)}or.length=0}}setcolorat(e,n){null===this.instancecolor&&(this.instancecolor=new ot(new float32array(3*this.instancematrix.count),3)),n.toarray(this.instancecolor.array,3*e)}setmatrixat(e,n){n.toarray(this.instancematrix.array,16*e)}updatemorphtargets(){}dispose(){this.dispatchevent({type:"dispose"})}}class of extends r${constructor(e){super(),this.islinebasicmaterial=!0,this.type="linebasicmaterial",this.color=new nf(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}}let oo=new ny,on=new ny,ok=new rm,oh=new rf,og=new rs;class ou extends rg{constructor(e=new id,n=new of){super(),this.isline=!0,this.type="line",this.geometry=e,this.material=n,this.updatemorphtargets()}copy(e,n){return super.copy(e,n),this.material=e.material,this.geometry=e.geometry,this}computelinedistances(){let e=this.geometry;if(null===e.index){let n=e.attributes.position,r=[0];for(let e=1,i=n.count;e<i;e++)oo.frombufferattribute(n,e-1),on.frombufferattribute(n,e),r[e]=r[e-1],r[e]+=oo.distanceto(on);e.setattribute("linedistance",new ir(r,1))}else console.warn("three.line.computelinedistances(): computation only possible with non-indexed buffergeometry.");return this}raycast(e,n){let r=this.geometry,i=this.matrixworld,a=e.params.line.threshold,s=r.drawrange;if(null===r.boundingsphere&&r.computeboundingsphere(),og.copy(r.boundingsphere),og.applymatrix4(i),og.radius+=a,!1===e.ray.intersectssphere(og))return;ok.copy(i).invert(),oh.copy(e.ray).applymatrix4(ok);let o=a/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o,u=new ny,c=new ny,h=new ny,d=new ny,p=this.islinesegments?2:1,f=r.index,m=r.attributes,g=m.position;if(null!==f){let r=math.max(0,s.start),i=math.min(f.count,s.start+s.count);for(let a=r,s=i-1;a<s;a+=p){let r=f.getx(a),i=f.getx(a+1);u.frombufferattribute(g,r),c.frombufferattribute(g,i);let s=oh.distancesqtosegment(u,c,d,h);if(s>l)continue;d.applymatrix4(this.matrixworld);let o=e.ray.origin.distanceto(d);o<e.near||o>e.far||n.push({distance:o,point:h.clone().applymatrix4(this.matrixworld),index:a,face:null,faceindex:null,object:this})}}else{let r=math.max(0,s.start),i=math.min(g.count,s.start+s.count);for(let a=r,s=i-1;a<s;a+=p){u.frombufferattribute(g,a),c.frombufferattribute(g,a+1);let r=oh.distancesqtosegment(u,c,d,h);if(r>l)continue;d.applymatrix4(this.matrixworld);let i=e.ray.origin.distanceto(d);i<e.near||i>e.far||n.push({distance:i,point:h.clone().applymatrix4(this.matrixworld),index:a,face:null,faceindex:null,object:this})}}}updatemorphtargets(){let e=this.geometry,n=e.morphattributes,r=object.keys(n);if(r.length>0){let e=n[r[0]];if(void 0!==e){this.morphtargetinfluences=[],this.morphtargetdictionary={};for(let n=0,r=e.length;n<r;n++){let r=e[n].name||string(n);this.morphtargetinfluences.push(0),this.morphtargetdictionary[r]=n}}}}}let oz=new ny,ov=new ny;class oj extends ou{constructor(e,n){super(e,n),this.islinesegments=!0,this.type="linesegments"}computelinedistances(){let e=this.geometry;if(null===e.index){let n=e.attributes.position,r=[];for(let e=0,i=n.count;e<i;e+=2)oz.frombufferattribute(n,e),ov.frombufferattribute(n,e+1),r[e]=0===e?0:r[e-1],r[e+1]=r[e]+oz.distanceto(ov);e.setattribute("linedistance",new ir(r,1))}else console.warn("three.linesegments.computelinedistances(): computation only possible with non-indexed buffergeometry.");return this}}class ow extends ou{constructor(e,n){super(e,n),this.islineloop=!0,this.type="lineloop"}}class oj extends r${constructor(e){super(),this.ispointsmaterial=!0,this.type="pointsmaterial",this.color=new nf(16777215),this.map=null,this.alphamap=null,this.size=1,this.sizeattenuation=!0,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphamap=e.alphamap,this.size=e.size,this.sizeattenuation=e.sizeattenuation,this.fog=e.fog,this}}let ox=new rm,ok=new rf,oy=new rs,oq=new ny;class oq extends rg{constructor(e=new id,n=new oj){super(),this.ispoints=!0,this.type="points",this.geometry=e,this.material=n,this.updatemorphtargets()}copy(e,n){return super.copy(e,n),this.material=e.material,this.geometry=e.geometry,this}raycast(e,n){let r=this.geometry,i=this.matrixworld,a=e.params.points.threshold,s=r.drawrange;if(null===r.boundingsphere&&r.computeboundingsphere(),oy.copy(r.boundingsphere),oy.applymatrix4(i),oy.radius+=a,!1===e.ray.intersectssphere(oy))return;ox.copy(i).invert(),ok.copy(e.ray).applymatrix4(ox);let o=a/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o,u=r.index,c=r.attributes,h=c.position;if(null!==u){let r=math.max(0,s.start),a=math.min(u.count,s.start+s.count);for(let s=r;s<a;s++){let r=u.getx(s);oq.frombufferattribute(h,r),oz(oq,r,l,i,e,n,this)}}else{let r=math.max(0,s.start),a=math.min(h.count,s.start+s.count);for(let s=r;s<a;s++)oq.frombufferattribute(h,s),oz(oq,s,l,i,e,n,this)}}updatemorphtargets(){let e=this.geometry,n=e.morphattributes,r=object.keys(n);if(r.length>0){let e=n[r[0]];if(void 0!==e){this.morphtargetinfluences=[],this.morphtargetdictionary={};for(let n=0,r=e.length;n<r;n++){let r=e[n].name||string(n);this.morphtargetinfluences.push(0),this.morphtargetdictionary[r]=n}}}}}function oz(e,n,r,i,a,s,o){let l=ok.distancesqtopoint(e);if(l<r){let r=new ny;ok.closestpointtopoint(e,r),r.applymatrix4(i);let u=a.ray.origin.distanceto(r);if(u<a.near||u>a.far)return;s.push({distance:u,distancetoray:math.sqrt(l),point:r,index:n,face:null,object:o})}}class o$ extends ng{constructor(e,n,r,i,a,s,o,l,u){super(e,n,r,i,a,s,o,l,u),this.isvideotexture=!0,this.minfilter=void 0!==s?s:em,this.magfilter=void 0!==a?a:em,this.generatemipmaps=!1;let c=this;"requestvideoframecallback"in e&&e.requestvideoframecallback(function n(){c.needsupdate=!0,e.requestvideoframecallback(n)})}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;!1=="requestvideoframecallback"in e&&e.readystate>=e.have_current_data&&(this.needsupdate=!0)}}class o0 extends ng{constructor(e,n,r){super({width:e,height:n}),this.isframebuffertexture=!0,this.format=r,this.magfilter=ey,this.minfilter=ey,this.generatemipmaps=!1,this.needsupdate=!0}}class o1 extends ng{constructor(e,n,r,i,a,s,o,l,u,c,h,d){super(null,s,o,l,u,c,i,a,h,d),this.iscompressedtexture=!0,this.image={width:n,height:r},this.mipmaps=e,this.flipy=!1,this.generatemipmaps=!1}}class o2 extends o1{constructor(e,n,r,i,a,s){super(e,n,r,a,s),this.iscompressedarraytexture=!0,this.image.depth=i,this.wrapr=eg}}class o3 extends ng{constructor(e,n,r,i,a,s,o,l,u){super(e,n,r,i,a,s,o,l,u),this.iscanvastexture=!0,this.needsupdate=!0}}class o4{constructor(){this.type="curve",this.arclengthdivisions=200}getpoint(){return console.warn("three.curve: .getpoint() not implemented."),null}getpointat(e,n){let r=this.getutotmapping(e);return this.getpoint(r,n)}getpoints(e=5){let n=[];for(let r=0;r<=e;r++)n.push(this.getpoint(r/e));return n}getspacedpoints(e=5){let n=[];for(let r=0;r<=e;r++)n.push(this.getpointat(r/e));return n}getlength(){let e=this.getlengths();return e[e.length-1]}getlengths(e=this.arclengthdivisions){if(this.cachearclengths&&this.cachearclengths.length===e+1&&!this.needsupdate)return this.cachearclengths;this.needsupdate=!1;let n=[],r,i=this.getpoint(0),a=0;n.push(0);for(let s=1;s<=e;s++)n.push(a+=(r=this.getpoint(s/e)).distanceto(i)),i=r;return this.cachearclengths=n,n}updatearclengths(){this.needsupdate=!0,this.getlengths()}getutotmapping(e,n){let r;let i=this.getlengths(),a=0,s=i.length;r=n||e*i[s-1];let o=0,l=s-1,u;for(;o<=l;)if((u=i[a=math.floor(o+(l-o)/2)]-r)<0)o=a+1;else if(u>0)l=a-1;else{l=a;break}if(i[a=l]===r)return a/(s-1);let c=i[a],h=i[a+1],d=(a+(r-c)/(h-c))/(s-1);return d}gettangent(e,n){let r=e-1e-4,i=e+1e-4;r<0&&(r=0),i>1&&(i=1);let a=this.getpoint(r),s=this.getpoint(i),o=n||(a.isvector2?new ny:new ny);return o.copy(s).sub(a).normalize(),o}gettangentat(e,n){let r=this.getutotmapping(e);return this.gettangent(r,n)}computefrenetframes(e,n){let r=new ny,i=[],a=[],s=[],o=new ny,l=new rm;for(let n=0;n<=e;n++){let r=n/e;i[n]=this.gettangentat(r,new ny)}a[0]=new ny,s[0]=new ny;let u=number.max_value,c=math.abs(i[0].x),h=math.abs(i[0].y),d=math.abs(i[0].z);c<=u&&(u=c,r.set(1,0,0)),h<=u&&(u=h,r.set(0,1,0)),d<=u&&r.set(0,0,1),o.crossvectors(i[0],r).normalize(),a[0].crossvectors(i[0],o),s[0].crossvectors(i[0],a[0]);for(let n=1;n<=e;n++){if(a[n]=a[n-1].clone(),s[n]=s[n-1].clone(),o.crossvectors(i[n-1],i[n]),o.length()>number.epsilon){o.normalize();let e=math.acos(nu(i[n-1].dot(i[n]),-1,1));a[n].applymatrix4(l.makerotationaxis(o,e))}s[n].crossvectors(i[n],a[n])}if(!0===n){let n=math.acos(nu(a[0].dot(a[e]),-1,1));n/=e,i[0].dot(o.crossvectors(a[0],a[e]))>0&&(n=-n);for(let r=1;r<=e;r++)a[r].applymatrix4(l.makerotationaxis(i[r],n*r)),s[r].crossvectors(i[r],a[r])}return{tangents:i,normals:a,binormals:s}}clone(){return new this.constructor().copy(this)}copy(e){return this.arclengthdivisions=e.arclengthdivisions,this}tojson(){let e={metadata:{version:4.5,type:"curve",generator:"curve.tojson"}};return e.arclengthdivisions=this.arclengthdivisions,e.type=this.type,e}fromjson(e){return this.arclengthdivisions=e.arclengthdivisions,this}}class o6 extends o4{constructor(e=0,n=0,r=1,i=1,a=0,s=2*math.pi,o=!1,l=0){super(),this.isellipsecurve=!0,this.type="ellipsecurve",this.ax=e,this.ay=n,this.xradius=r,this.yradius=i,this.astartangle=a,this.aendangle=s,this.aclockwise=o,this.arotation=l}getpoint(e,n){let r=n||new ny,i=2*math.pi,a=this.aendangle-this.astartangle,s=math.abs(a)<number.epsilon;for(;a<0;)a+=i;for(;a>i;)a-=i;a<number.epsilon&&(a=s?0:i),!0!==this.aclockwise||s||(a===i?a=-i:a-=i);let o=this.astartangle+e*a,l=this.ax+this.xradius*math.cos(o),u=this.ay+this.yradius*math.sin(o);if(0!==this.arotation){let e=math.cos(this.arotation),n=math.sin(this.arotation),r=l-this.ax,i=u-this.ay;l=r*e-i*n+this.ax,u=r*n+i*e+this.ay}return r.set(l,u)}copy(e){return super.copy(e),this.ax=e.ax,this.ay=e.ay,this.xradius=e.xradius,this.yradius=e.yradius,this.astartangle=e.astartangle,this.aendangle=e.aendangle,this.aclockwise=e.aclockwise,this.arotation=e.arotation,this}tojson(){let e=super.tojson();return e.ax=this.ax,e.ay=this.ay,e.xradius=this.xradius,e.yradius=this.yradius,e.astartangle=this.astartangle,e.aendangle=this.aendangle,e.aclockwise=this.aclockwise,e.arotation=this.arotation,e}fromjson(e){return super.fromjson(e),this.ax=e.ax,this.ay=e.ay,this.xradius=e.xradius,this.yradius=e.yradius,this.astartangle=e.astartangle,this.aendangle=e.aendangle,this.aclockwise=e.aclockwise,this.arotation=e.arotation,this}}class o5 extends o6{constructor(e,n,r,i,a,s){super(e,n,r,r,i,a,s),this.isarccurve=!0,this.type="arccurve"}}function o9(){let e=0,n=0,r=0,i=0;function a(a,s,o,l){e=a,n=o,r=-3*a+3*s-2*o-l,i=2*a-2*s+o+l}return{initcatmullrom:function(e,n,r,i,s){a(n,r,s*(r-e),s*(i-n))},initnonuniformcatmullrom:function(e,n,r,i,s,o,l){let u=(n-e)/s-(r-e)/(s+o)+(r-n)/o,c=(r-n)/o-(i-n)/(o+l)+(i-r)/l;a(n,r,u*=o,c*=o)},calc:function(a){let s=a*a;return e+n*a+r*s+i*(s*a)}}}let o8=new ny,o7=new o9,le=new o9,lt=new o9;class ln extends o4{constructor(e=[],n=!1,r="centripetal",i=.5){super(),this.iscatmullromcurve3=!0,this.type="catmullromcurve3",this.points=e,this.closed=n,this.curvetype=r,this.tension=i}getpoint(e,n=new ny){let r,i;let a=this.points,s=a.length,o=(s-(this.closed?0:1))*e,l=math.floor(o),u=o-l;this.closed?l+=l>0?0:(math.floor(math.abs(l)/s)+1)*s:0===u&&l===s-1&&(l=s-2,u=1),this.closed||l>0?r=a[(l-1)%s]:(o8.subvectors(a[0],a[1]).add(a[0]),r=o8);let c=a[l%s],h=a[(l+1)%s];if(this.closed||l+2<s?i=a[(l+2)%s]:(o8.subvectors(a[s-1],a[s-2]).add(a[s-1]),i=o8),"centripetal"===this.curvetype||"chordal"===this.curvetype){let e="chordal"===this.curvetype?.5:.25,n=math.pow(r.distancetosquared(c),e),a=math.pow(c.distancetosquared(h),e),s=math.pow(h.distancetosquared(i),e);a<1e-4&&(a=1),n<1e-4&&(n=a),s<1e-4&&(s=a),o7.initnonuniformcatmullrom(r.x,c.x,h.x,i.x,n,a,s),le.initnonuniformcatmullrom(r.y,c.y,h.y,i.y,n,a,s),lt.initnonuniformcatmullrom(r.z,c.z,h.z,i.z,n,a,s)}else"catmullrom"===this.curvetype&&(o7.initcatmullrom(r.x,c.x,h.x,i.x,this.tension),le.initcatmullrom(r.y,c.y,h.y,i.y,this.tension),lt.initcatmullrom(r.z,c.z,h.z,i.z,this.tension));return n.set(o7.calc(u),le.calc(u),lt.calc(u)),n}copy(e){super.copy(e),this.points=[];for(let n=0,r=e.points.length;n<r;n++){let r=e.points[n];this.points.push(r.clone())}return this.closed=e.closed,this.curvetype=e.curvetype,this.tension=e.tension,this}tojson(){let e=super.tojson();e.points=[];for(let n=0,r=this.points.length;n<r;n++){let r=this.points[n];e.points.push(r.toarray())}return e.closed=this.closed,e.curvetype=this.curvetype,e.tension=this.tension,e}fromjson(e){super.fromjson(e),this.points=[];for(let n=0,r=e.points.length;n<r;n++){let r=e.points[n];this.points.push(new ny().fromarray(r))}return this.closed=e.closed,this.curvetype=e.curvetype,this.tension=e.tension,this}}function lr(e,n,r,i,a){let s=(i-n)*.5,o=(a-r)*.5,l=e*e;return(2*r-2*i+s+o)*(e*l)+(-3*r+3*i-2*s-o)*l+s*e+r}function li(e,n,r,i){return function(e,n){let r=1-e;return r*r*n}(e,n)+2*(1-e)*e*r+e*e*i}function la(e,n,r,i,a){return function(e,n){let r=1-e;return r*r*r*n}(e,n)+function(e,n){let r=1-e;return 3*r*r*e*n}(e,r)+3*(1-e)*e*e*i+e*e*e*a}class ls extends o4{constructor(e=new ny,n=new ny,r=new ny,i=new ny){super(),this.iscubicbeziercurve=!0,this.type="cubicbeziercurve",this.v0=e,this.v1=n,this.v2=r,this.v3=i}getpoint(e,n=new ny){let r=this.v0,i=this.v1,a=this.v2,s=this.v3;return n.set(la(e,r.x,i.x,a.x,s.x),la(e,r.y,i.y,a.y,s.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}tojson(){let e=super.tojson();return e.v0=this.v0.toarray(),e.v1=this.v1.toarray(),e.v2=this.v2.toarray(),e.v3=this.v3.toarray(),e}fromjson(e){return super.fromjson(e),this.v0.fromarray(e.v0),this.v1.fromarray(e.v1),this.v2.fromarray(e.v2),this.v3.fromarray(e.v3),this}}class lo extends o4{constructor(e=new ny,n=new ny,r=new ny,i=new ny){super(),this.iscubicbeziercurve3=!0,this.type="cubicbeziercurve3",this.v0=e,this.v1=n,this.v2=r,this.v3=i}getpoint(e,n=new ny){let r=this.v0,i=this.v1,a=this.v2,s=this.v3;return n.set(la(e,r.x,i.x,a.x,s.x),la(e,r.y,i.y,a.y,s.y),la(e,r.z,i.z,a.z,s.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}tojson(){let e=super.tojson();return e.v0=this.v0.toarray(),e.v1=this.v1.toarray(),e.v2=this.v2.toarray(),e.v3=this.v3.toarray(),e}fromjson(e){return super.fromjson(e),this.v0.fromarray(e.v0),this.v1.fromarray(e.v1),this.v2.fromarray(e.v2),this.v3.fromarray(e.v3),this}}class ll extends o4{constructor(e=new ny,n=new ny){super(),this.islinecurve=!0,this.type="linecurve",this.v1=e,this.v2=n}getpoint(e,n=new ny){return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyscalar(e).add(this.v1)),n}getpointat(e,n){return this.getpoint(e,n)}gettangent(e,n){let r=n||new ny;return r.copy(this.v2).sub(this.v1).normalize(),r}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}tojson(){let e=super.tojson();return e.v1=this.v1.toarray(),e.v2=this.v2.toarray(),e}fromjson(e){return super.fromjson(e),this.v1.fromarray(e.v1),this.v2.fromarray(e.v2),this}}class lu extends o4{constructor(e=new ny,n=new ny){super(),this.islinecurve3=!0,this.type="linecurve3",this.v1=e,this.v2=n}getpoint(e,n=new ny){return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyscalar(e).add(this.v1)),n}getpointat(e,n){return this.getpoint(e,n)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}tojson(){let e=super.tojson();return e.v1=this.v1.toarray(),e.v2=this.v2.toarray(),e}fromjson(e){return super.fromjson(e),this.v1.fromarray(e.v1),this.v2.fromarray(e.v2),this}}class lc extends o4{constructor(e=new ny,n=new ny,r=new ny){super(),this.isquadraticbeziercurve=!0,this.type="quadraticbeziercurve",this.v0=e,this.v1=n,this.v2=r}getpoint(e,n=new ny){let r=this.v0,i=this.v1,a=this.v2;return n.set(li(e,r.x,i.x,a.x),li(e,r.y,i.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}tojson(){let e=super.tojson();return e.v0=this.v0.toarray(),e.v1=this.v1.toarray(),e.v2=this.v2.toarray(),e}fromjson(e){return super.fromjson(e),this.v0.fromarray(e.v0),this.v1.fromarray(e.v1),this.v2.fromarray(e.v2),this}}class lh extends o4{constructor(e=new ny,n=new ny,r=new ny){super(),this.isquadraticbeziercurve3=!0,this.type="quadraticbeziercurve3",this.v0=e,this.v1=n,this.v2=r}getpoint(e,n=new ny){let r=this.v0,i=this.v1,a=this.v2;return n.set(li(e,r.x,i.x,a.x),li(e,r.y,i.y,a.y),li(e,r.z,i.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}tojson(){let e=super.tojson();return e.v0=this.v0.toarray(),e.v1=this.v1.toarray(),e.v2=this.v2.toarray(),e}fromjson(e){return super.fromjson(e),this.v0.fromarray(e.v0),this.v1.fromarray(e.v1),this.v2.fromarray(e.v2),this}}class ld extends o4{constructor(e=[]){super(),this.issplinecurve=!0,this.type="splinecurve",this.points=e}getpoint(e,n=new ny){let r=this.points,i=(r.length-1)*e,a=math.floor(i),s=i-a,o=r[0===a?a:a-1],l=r[a],u=r[a>r.length-2?r.length-1:a+1],c=r[a>r.length-3?r.length-1:a+2];return n.set(lr(s,o.x,l.x,u.x,c.x),lr(s,o.y,l.y,u.y,c.y)),n}copy(e){super.copy(e),this.points=[];for(let n=0,r=e.points.length;n<r;n++){let r=e.points[n];this.points.push(r.clone())}return this}tojson(){let e=super.tojson();e.points=[];for(let n=0,r=this.points.length;n<r;n++){let r=this.points[n];e.points.push(r.toarray())}return e}fromjson(e){super.fromjson(e),this.points=[];for(let n=0,r=e.points.length;n<r;n++){let r=e.points[n];this.points.push(new ny().fromarray(r))}return this}}var lp=object.freeze({__proto__:null,arccurve:o5,catmullromcurve3:ln,cubicbeziercurve:ls,cubicbeziercurve3:lo,ellipsecurve:o6,linecurve:ll,linecurve3:lu,quadraticbeziercurve:lc,quadraticbeziercurve3:lh,splinecurve:ld});class lf extends o4{constructor(){super(),this.type="curvepath",this.curves=[],this.autoclose=!1}add(e){this.curves.push(e)}closepath(){let e=this.curves[0].getpoint(0),n=this.curves[this.curves.length-1].getpoint(1);e.equals(n)||this.curves.push(new ll(n,e))}getpoint(e,n){let r=e*this.getlength(),i=this.getcurvelengths(),a=0;for(;a<i.length;){if(i[a]>=r){let e=i[a]-r,s=this.curves[a],o=s.getlength(),l=0===o?0:1-e/o;return s.getpointat(l,n)}a++}return null}getlength(){let e=this.getcurvelengths();return e[e.length-1]}updatearclengths(){this.needsupdate=!0,this.cachelengths=null,this.getcurvelengths()}getcurvelengths(){if(this.cachelengths&&this.cachelengths.length===this.curves.length)return this.cachelengths;let e=[],n=0;for(let r=0,i=this.curves.length;r<i;r++)e.push(n+=this.curves[r].getlength());return this.cachelengths=e,e}getspacedpoints(e=40){let n=[];for(let r=0;r<=e;r++)n.push(this.getpoint(r/e));return this.autoclose&&n.push(n[0]),n}getpoints(e=12){let n;let r=[];for(let i=0,a=this.curves;i<a.length;i++){let s=a[i],o=s.isellipsecurve?2*e:s.islinecurve||s.islinecurve3?1:s.issplinecurve?e*s.points.length:e,l=s.getpoints(o);for(let e=0;e<l.length;e++){let i=l[e];n&&n.equals(i)||(r.push(i),n=i)}}return this.autoclose&&r.length>1&&!r[r.length-1].equals(r[0])&&r.push(r[0]),r}copy(e){super.copy(e),this.curves=[];for(let n=0,r=e.curves.length;n<r;n++){let r=e.curves[n];this.curves.push(r.clone())}return this.autoclose=e.autoclose,this}tojson(){let e=super.tojson();e.autoclose=this.autoclose,e.curves=[];for(let n=0,r=this.curves.length;n<r;n++){let r=this.curves[n];e.curves.push(r.tojson())}return e}fromjson(e){super.fromjson(e),this.autoclose=e.autoclose,this.curves=[];for(let n=0,r=e.curves.length;n<r;n++){let r=e.curves[n];this.curves.push(new lp[r.type]().fromjson(r))}return this}}class lm extends lf{constructor(e){super(),this.type="path",this.currentpoint=new ny,e&&this.setfrompoints(e)}setfrompoints(e){this.moveto(e[0].x,e[0].y);for(let n=1,r=e.length;n<r;n++)this.lineto(e[n].x,e[n].y);return this}moveto(e,n){return this.currentpoint.set(e,n),this}lineto(e,n){let r=new ll(this.currentpoint.clone(),new ny(e,n));return this.curves.push(r),this.currentpoint.set(e,n),this}quadraticcurveto(e,n,r,i){let a=new lc(this.currentpoint.clone(),new ny(e,n),new ny(r,i));return this.curves.push(a),this.currentpoint.set(r,i),this}beziercurveto(e,n,r,i,a,s){let o=new ls(this.currentpoint.clone(),new ny(e,n),new ny(r,i),new ny(a,s));return this.curves.push(o),this.currentpoint.set(a,s),this}splinethru(e){let n=[this.currentpoint.clone()].concat(e),r=new ld(n);return this.curves.push(r),this.currentpoint.copy(e[e.length-1]),this}arc(e,n,r,i,a,s){let o=this.currentpoint.x,l=this.currentpoint.y;return this.absarc(e+o,n+l,r,i,a,s),this}absarc(e,n,r,i,a,s){return this.absellipse(e,n,r,r,i,a,s),this}ellipse(e,n,r,i,a,s,o,l){let u=this.currentpoint.x,c=this.currentpoint.y;return this.absellipse(e+u,n+c,r,i,a,s,o,l),this}absellipse(e,n,r,i,a,s,o,l){let u=new o6(e,n,r,i,a,s,o,l);if(this.curves.length>0){let e=u.getpoint(0);e.equals(this.currentpoint)||this.lineto(e.x,e.y)}this.curves.push(u);let c=u.getpoint(1);return this.currentpoint.copy(c),this}copy(e){return super.copy(e),this.currentpoint.copy(e.currentpoint),this}tojson(){let e=super.tojson();return e.currentpoint=this.currentpoint.toarray(),e}fromjson(e){return super.fromjson(e),this.currentpoint.fromarray(e.currentpoint),this}}class lg extends id{constructor(e=[new ny(0,-.5),new ny(.5,0),new ny(0,.5)],n=12,r=0,i=2*math.pi){super(),this.type="lathegeometry",this.parameters={points:e,segments:n,phistart:r,philength:i},n=math.floor(n),i=nu(i,0,2*math.pi);let a=[],s=[],o=[],l=[],u=[],c=1/n,h=new ny,d=new ny,p=new ny,f=new ny,m=new ny,g=0,v=0;for(let n=0;n<=e.length-1;n++)switch(n){case 0:g=e[n+1].x-e[n].x,v=e[n+1].y-e[n].y,p.x=1*v,p.y=-g,p.z=0*v,m.copy(p),p.normalize(),l.push(p.x,p.y,p.z);break;case e.length-1:l.push(m.x,m.y,m.z);break;default:g=e[n+1].x-e[n].x,v=e[n+1].y-e[n].y,p.x=1*v,p.y=-g,p.z=0*v,f.copy(p),p.x+=m.x,p.y+=m.y,p.z+=m.z,p.normalize(),l.push(p.x,p.y,p.z),m.copy(f)}for(let a=0;a<=n;a++){let p=r+a*c*i,f=math.sin(p),m=math.cos(p);for(let r=0;r<=e.length-1;r++){h.x=e[r].x*f,h.y=e[r].y,h.z=e[r].x*m,s.push(h.x,h.y,h.z),d.x=a/n,d.y=r/(e.length-1),o.push(d.x,d.y);let i=l[3*r+0]*f,c=l[3*r+1],p=l[3*r+0]*m;u.push(i,c,p)}}for(let r=0;r<n;r++)for(let n=0;n<e.length-1;n++){let i=n+r*e.length,s=i+e.length,o=i+e.length+1,l=i+1;a.push(i,s,l),a.push(o,l,s)}this.setindex(a),this.setattribute("position",new ir(s,3)),this.setattribute("uv",new ir(o,2)),this.setattribute("normal",new ir(u,3))}static fromjson(e){return new lg(e.points,e.segments,e.phistart,e.philength)}}class lv extends lg{constructor(e=1,n=1,r=4,i=8){let a=new lm;a.absarc(0,-n/2,e,1.5*math.pi,0),a.absarc(0,n/2,e,0,.5*math.pi),super(a.getpoints(r),i),this.type="capsulegeometry",this.parameters={radius:e,height:n,capsegments:r,radialsegments:i}}static fromjson(e){return new lv(e.radius,e.length,e.capsegments,e.radialsegments)}}class ly extends id{constructor(e=1,n=32,r=0,i=2*math.pi){super(),this.type="circlegeometry",this.parameters={radius:e,segments:n,thetastart:r,thetalength:i},n=math.max(3,n);let a=[],s=[],o=[],l=[],u=new ny,c=new ny;s.push(0,0,0),o.push(0,0,1),l.push(.5,.5);for(let a=0,h=3;a<=n;a++,h+=3){let d=r+a/n*i;u.x=e*math.cos(d),u.y=e*math.sin(d),s.push(u.x,u.y,u.z),o.push(0,0,1),c.x=(s[h]/e+1)/2,c.y=(s[h+1]/e+1)/2,l.push(c.x,c.y)}for(let e=1;e<=n;e++)a.push(e,e+1,0);this.setindex(a),this.setattribute("position",new ir(s,3)),this.setattribute("normal",new ir(o,3)),this.setattribute("uv",new ir(l,2))}static fromjson(e){return new ly(e.radius,e.segments,e.thetastart,e.thetalength)}}class lx extends id{constructor(e=1,n=1,r=1,i=32,a=1,s=!1,o=0,l=2*math.pi){super(),this.type="cylindergeometry",this.parameters={radiustop:e,radiusbottom:n,height:r,radialsegments:i,heightsegments:a,openended:s,thetastart:o,thetalength:l};let u=this;i=math.floor(i),a=math.floor(a);let c=[],h=[],d=[],p=[],f=0,m=[],g=r/2,v=0;function y(r){let a=f,s=new ny,m=new ny,y=0,x=!0===r?e:n,_=!0===r?1:-1;for(let e=1;e<=i;e++)h.push(0,g*_,0),d.push(0,_,0),p.push(.5,.5),f++;let a=f;for(let e=0;e<=i;e++){let n=e/i,r=n*l+o,a=math.cos(r),u=math.sin(r);m.x=x*u,m.y=g*_,m.z=x*a,h.push(m.x,m.y,m.z),d.push(0,_,0),s.x=.5*a+.5,s.y=.5*u*_+.5,p.push(s.x,s.y),f++}for(let e=0;e<i;e++){let n=a+e,i=a+e;!0===r?c.push(i,i+1,n):c.push(i+1,i,n),y+=3}u.addgroup(v,y,!0===r?1:2),v+=y}(function(){let s=new ny,y=new ny,x=0,_=(n-e)/r;for(let u=0;u<=a;u++){let c=[],v=u/a,x=v*(n-e)+e;for(let e=0;e<=i;e++){let n=e/i,a=n*l+o,u=math.sin(a),m=math.cos(a);y.x=x*u,y.y=-v*r+g,y.z=x*m,h.push(y.x,y.y,y.z),s.set(u,_,m).normalize(),d.push(s.x,s.y,s.z),p.push(n,1-v),c.push(f++)}m.push(c)}for(let e=0;e<i;e++)for(let n=0;n<a;n++){let r=m[n][e],i=m[n+1][e],a=m[n+1][e+1],s=m[n][e+1];c.push(r,i,s),c.push(i,a,s),x+=6}u.addgroup(v,x,0),v+=x})(),!1===s&&(e>0&&y(!0),n>0&&y(!1)),this.setindex(c),this.setattribute("position",new ir(h,3)),this.setattribute("normal",new ir(d,3)),this.setattribute("uv",new ir(p,2))}static fromjson(e){return new lx(e.radiustop,e.radiusbottom,e.height,e.radialsegments,e.heightsegments,e.openended,e.thetastart,e.thetalength)}}class l_ extends lx{constructor(e=1,n=1,r=32,i=1,a=!1,s=0,o=2*math.pi){super(0,e,n,r,i,a,s,o),this.type="conegeometry",this.parameters={radius:e,height:n,radialsegments:r,heightsegments:i,openended:a,thetastart:s,thetalength:o}}static fromjson(e){return new l_(e.radius,e.height,e.radialsegments,e.heightsegments,e.openended,e.thetastart,e.thetalength)}}class la extends id{constructor(e=[],n=[],r=1,i=0){super(),this.type="polyhedrongeometry",this.parameters={vertices:e,indices:n,radius:r,detail:i};let a=[],s=[];function o(e){a.push(e.x,e.y,e.z)}function l(n,r){let i=3*n;r.x=e[i+0],r.y=e[i+1],r.z=e[i+2]}function u(e,n,r,i){i<0&&1===e.x&&(s[n]=e.x-1),0===r.x&&0===r.z&&(s[n]=i/2/math.pi+.5)}function c(e){return math.atan2(e.z,-e.x)}(function(e){let r=new ny,i=new ny,a=new ny;for(let s=0;s<n.length;s+=3)l(n[s+0],r),l(n[s+1],i),l(n[s+2],a),function(e,n,r,i){let a=i+1,s=[];for(let i=0;i<=a;i++){s[i]=[];let o=e.clone().lerp(r,i/a),l=n.clone().lerp(r,i/a),u=a-i;for(let e=0;e<=u;e++)0===e&&i===a?s[i][e]=o:s[i][e]=o.clone().lerp(l,e/u)}for(let e=0;e<a;e++)for(let n=0;n<2*(a-e)-1;n++){let r=math.floor(n/2);n%2==0?(o(s[e][r+1]),o(s[e+1][r]),o(s[e][r])):(o(s[e][r+1]),o(s[e+1][r+1]),o(s[e+1][r]))}}(r,i,a,e)})(i),function(e){let n=new ny;for(let r=0;r<a.length;r+=3)n.x=a[r+0],n.y=a[r+1],n.z=a[r+2],n.normalize().multiplyscalar(e),a[r+0]=n.x,a[r+1]=n.y,a[r+2]=n.z}(r),function(){let e=new ny;for(let n=0;n<a.length;n+=3){e.x=a[n+0],e.y=a[n+1],e.z=a[n+2];let r=c(e)/2/math.pi+.5,i=math.atan2(-e.y,math.sqrt(e.x*e.x+e.z*e.z))/math.pi+.5;s.push(r,1-i)}(function(){let e=new ny,n=new ny,r=new ny,i=new ny,o=new ny,l=new ny,h=new ny;for(let d=0,p=0;d<a.length;d+=9,p+=6){e.set(a[d+0],a[d+1],a[d+2]),n.set(a[d+3],a[d+4],a[d+5]),r.set(a[d+6],a[d+7],a[d+8]),o.set(s[p+0],s[p+1]),l.set(s[p+2],s[p+3]),h.set(s[p+4],s[p+5]),i.copy(e).add(n).add(r).dividescalar(3);let f=c(i);u(o,p+0,e,f),u(l,p+2,n,f),u(h,p+4,r,f)}})(),function(){for(let e=0;e<s.length;e+=6){let n=s[e+0],r=s[e+2],i=s[e+4],a=math.max(n,r,i),o=math.min(n,r,i);a>.9&&o<.1&&(n<.2&&(s[e+0]+=1),r<.2&&(s[e+2]+=1),i<.2&&(s[e+4]+=1))}}()}(),this.setattribute("position",new ir(a,3)),this.setattribute("normal",new ir(a.slice(),3)),this.setattribute("uv",new ir(s,2)),0===i?this.computevertexnormals():this.normalizenormals()}static fromjson(e){return new la(e.vertices,e.indices,e.radius,e.details)}}class lb extends la{constructor(e=1,n=0){let r=(1+math.sqrt(5))/2,i=1/r;super([-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,-i,-r,0,-i,r,0,i,-r,0,i,r,-i,-r,0,-i,r,0,i,-r,0,i,r,0,-r,0,-i,r,0,-i,-r,0,i,r,0,i],[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],e,n),this.type="dodecahedrongeometry",this.parameters={radius:e,detail:n}}static fromjson(e){return new lb(e.radius,e.detail)}}let lm=new ny,ls=new ny,lw=new ny,lc=new rq;class le extends id{constructor(e=null,n=1){if(super(),this.type="edgesgeometry",this.parameters={geometry:e,thresholdangle:n},null!==e){let r=math.cos(ns*n),i=e.getindex(),a=e.getattribute("position"),s=i?i.count:a.count,o=[0,0,0],l=["a","b","c"],u=[,,,],c={},h=[];for(let e=0;e<s;e+=3){i?(o[0]=i.getx(e),o[1]=i.getx(e+1),o[2]=i.getx(e+2)):(o[0]=e,o[1]=e+1,o[2]=e+2);let{a:n,b:s,c:d}=lc;if(n.frombufferattribute(a,o[0]),s.frombufferattribute(a,o[1]),d.frombufferattribute(a,o[2]),lc.getnormal(lw),u[0]=`${math.round(1e4*n.x)},${math.round(1e4*n.y)},${math.round(1e4*n.z)}`,u[1]=`${math.round(1e4*s.x)},${math.round(1e4*s.y)},${math.round(1e4*s.z)}`,u[2]=`${math.round(1e4*d.x)},${math.round(1e4*d.y)},${math.round(1e4*d.z)}`,u[0]!==u[1]&&u[1]!==u[2]&&u[2]!==u[0])for(let e=0;e<3;e++){let n=(e+1)%3,i=u[e],a=u[n],s=lc[l[e]],d=lc[l[n]],p=`${i}_${a}`,f=`${a}_${i}`;f in c&&c[f]?(lw.dot(c[f].normal)<=r&&(h.push(s.x,s.y,s.z),h.push(d.x,d.y,d.z)),c[f]=null):p in c||(c[p]={index0:o[e],index1:o[n],normal:lw.clone()})}}for(let e in c)if(c[e]){let{index0:n,index1:r}=c[e];lm.frombufferattribute(a,n),ls.frombufferattribute(a,r),h.push(lm.x,lm.y,lm.z),h.push(ls.x,ls.y,ls.z)}this.setattribute("position",new ir(h,3))}}}class lt extends lm{constructor(e){super(e),this.uuid=nl(),this.type="shape",this.holes=[]}getpointsholes(e){let n=[];for(let r=0,i=this.holes.length;r<i;r++)n[r]=this.holes[r].getpoints(e);return n}extractpoints(e){return{shape:this.getpoints(e),holes:this.getpointsholes(e)}}copy(e){super.copy(e),this.holes=[];for(let n=0,r=e.holes.length;n<r;n++){let r=e.holes[n];this.holes.push(r.clone())}return this}tojson(){let e=super.tojson();e.uuid=this.uuid,e.holes=[];for(let n=0,r=this.holes.length;n<r;n++){let r=this.holes[n];e.holes.push(r.tojson())}return e}fromjson(e){super.fromjson(e),this.uuid=e.uuid,this.holes=[];for(let n=0,r=e.holes.length;n<r;n++){let r=e.holes[n];this.holes.push(new lm().fromjson(r))}return this}}let lb={triangulate:function(e,n,r=2){let i,a,s,o,l,u,c;let h=n&&n.length,d=h?n[0]*r:e.length,p=lp(e,0,d,r,!0),f=[];if(!p||p.next===p.prev)return f;if(h&&(p=function(e,n,r,i){let a,s,o,l,u;let c=[];for(a=0,s=n.length;a<s;a++)o=n[a]*i,l=a<s-1?n[a+1]*i:e.length,(u=lp(e,o,l,i,!1))===u.next&&(u.steiner=!0),c.push(function(e){let n=e,r=e;do(n.x<r.x||n.x===r.x&&n.y<r.y)&&(r=n),n=n.next;while(n!==e);return r}(u));for(c.sort(ll),a=0;a<c.length;a++)r=function(e,n){let r=function(e,n){let r=n,i=-1/0,a,s=e.x,o=e.y;do{if(o<=r.y&&o>=r.next.y&&r.next.y!==r.y){let e=r.x+(o-r.y)*(r.next.x-r.x)/(r.next.y-r.y);if(e<=s&&e>i&&(i=e,a=r.x<r.next.x?r:r.next,e===s))return a}r=r.next}while(r!==n);if(!a)return null;let l=a,u=a.x,c=a.y,h=1/0,d;r=a;do{var p,f;s>=r.x&&r.x>=u&&s!==r.x&&ld(o<c?s:i,o,u,c,o<c?i:s,o,r.x,r.y)&&(d=math.abs(o-r.y)/(s-r.x),lg(r,e)&&(d<h||d===h&&(r.x>a.x||r.x===a.x&&(p=a,f=r,0>lf(p.prev,p,f.prev)&&0>lf(f.next,p,p.next))))&&(a=r,h=d)),r=r.next}while(r!==l);return a}(e,n);if(!r)return n;let i=lu(r,e);return lr(i,i.next),lr(r,r.next)}(c[a],r);return r}(e,n,p,r)),e.length>80*r){i=s=e[0],a=o=e[1];for(let 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li(e,n,r,i,a){return(e=((e=((e=((e=((e=(e-r)*a|0)|e<<8)&16711935)|e<<4)&252645135)|e<<2)&858993459)|e<<1)&1431655765)|(n=((n=((n=((n=((n=(n-i)*a|0)|n<<8)&16711935)|n<<4)&252645135)|n<<2)&858993459)|n<<1)&1431655765)<<1}function ld(e,n,r,i,a,s,o,l){return(a-o)*(n-l)>=(e-o)*(s-l)&&(e-o)*(i-l)>=(r-o)*(n-l)&&(r-o)*(s-l)>=(a-o)*(i-l)}function lf(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function lo(e,n){return e.x===n.x&&e.y===n.y}function ln(e,n,r,i){let a=lh(lf(e,n,r)),s=lh(lf(e,n,i)),o=lh(lf(r,i,e)),l=lh(lf(r,i,n));return!!(a!==s&&o!==l||0===a&&lk(e,r,n)||0===s&&lk(e,i,n)||0===o&&lk(r,e,i)||0===l&&lk(r,n,i))}function lk(e,n,r){return n.x<=math.max(e.x,r.x)&&n.x>=math.min(e.x,r.x)&&n.y<=math.max(e.y,r.y)&&n.y>=math.min(e.y,r.y)}function lh(e){return e>0?1:e<0?-1:0}function lg(e,n){return 0>lf(e.prev,e,e.next)?lf(e,n,e.next)>=0&&lf(e,e.prev,n)>=0:0>lf(e,n,e.prev)||0>lf(e,e.next,n)}function lu(e,n){let r=new lj(e.i,e.x,e.y),i=new lj(n.i,n.x,n.y),a=e.next,s=n.prev;return e.next=n,n.prev=e,r.next=a,a.prev=r,i.next=r,r.prev=i,s.next=i,i.prev=s,i}function lz(e,n,r,i){let a=new lj(e,n,r);return i?(a.next=i.next,a.prev=i,i.next.prev=a,i.next=a):(a.prev=a,a.next=a),a}function lv(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevz&&(e.prevz.nextz=e.nextz),e.nextz&&(e.nextz.prevz=e.prevz)}function lj(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=0,this.prevz=null,this.nextz=null,this.steiner=!1}class lw{static area(e){let n=e.length,r=0;for(let i=n-1,a=0;a<n;i=a++)r+=e[i].x*e[a].y-e[a].x*e[i].y;return .5*r}static isclockwise(e){return 0>lw.area(e)}static triangulateshape(e,n){let r=[],i=[],a=[];lj(e),lx(r,e);let s=e.length;n.foreach(lj);for(let e=0;e<n.length;e++)i.push(s),s+=n[e].length,lx(r,n[e]);let o=lb.triangulate(r,i);for(let e=0;e<o.length;e+=3)a.push(o.slice(e,e+3));return a}}function lj(e){let n=e.length;n>2&&e[n-1].equals(e[0])&&e.pop()}function lx(e,n){for(let r=0;r<n.length;r++)e.push(n[r].x),e.push(n[r].y)}class lk extends id{constructor(e=new lt([new ny(.5,.5),new ny(-.5,.5),new ny(-.5,-.5),new ny(.5,-.5)]),n={}){super(),this.type="extrudegeometry",this.parameters={shapes:e,options:n},e=array.isarray(e)?e:[e];let r=this,i=[],a=[];for(let s=0,o=e.length;s<o;s++){let o=e[s];!function(e){let s,o,l,u;let c=[],h=void 0!==n.curvesegments?n.curvesegments:12,d=void 0!==n.steps?n.steps:1,p=void 0!==n.depth?n.depth:1,f=void 0===n.bevelenabled||n.bevelenabled,m=void 0!==n.bevelthickness?n.bevelthickness:.2,g=void 0!==n.bevelsize?n.bevelsize:m-.1,v=void 0!==n.beveloffset?n.beveloffset:0,y=void 0!==n.bevelsegments?n.bevelsegments:3,x=n.extrudepath,_=void 0!==n.uvgenerator?n.uvgenerator:ly,a,b=!1;x&&(a=x.getspacedpoints(d),b=!0,f=!1,s=x.computefrenetframes(d,!1),o=new ny,l=new ny,u=new ny),f||(y=0,m=0,g=0,v=0);let m=e.extractpoints(h),s=m.shape,w=m.holes,c=!lw.isclockwise(s);if(c){s=s.reverse();for(let e=0,n=w.length;e<n;e++){let n=w[e];lw.isclockwise(n)&&(w[e]=n.reverse())}}let e=lw.triangulateshape(s,w),t=s;for(let 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n=w[e];f=d[e];for(let e=0,a=n.length;e<a;e++){let a=b(n[e],f[e],i);b?h(a.x,a.y+a[d-1].y,a[d-1].x+r):h(a.x,a.y,p+r)}}}function k(e,n){let a=e.length;for(;--a>=0;){let s=a,o=a-1;o<0&&(o=e.length-1);for(let e=0,a=d+2*y;e<a;e++){let a=p*e,l=p*(e+1),u=n+s+a,c=n+o+a,h=n+o+l,d=n+s+l;!function(e,n,a,s){u(e),u(n),u(s),u(n),u(a),u(s);let o=i.length/3,l=_.generatesidewalluv(r,i,o-6,o-3,o-2,o-1);z(l[0]),z(l[1]),z(l[3]),z(l[1]),z(l[2]),z(l[3])}(u,c,h,d)}}}function h(e,n,r){c.push(e),c.push(n),c.push(r)}function g(e,n,a){u(e),u(n),u(a);let s=i.length/3,o=_.generatetopuv(r,i,s-3,s-2,s-1);z(o[0]),z(o[1]),z(o[2])}function u(e){i.push(c[3*e+0]),i.push(c[3*e+1]),i.push(c[3*e+2])}function z(e){a.push(e.x),a.push(e.y)}(function(){let e=i.length/3;if(f){let e=0*p;for(let n=0;n<r;n++){let r=e[n];g(r[2]+e,r[1]+e,r[0]+e)}e=p*(d+2*y);for(let n=0;n<r;n++){let r=e[n];g(r[0]+e,r[1]+e,r[2]+e)}}else{for(let e=0;e<r;e++){let n=e[e];g(n[2],n[1],n[0])}for(let e=0;e<r;e++){let n=e[e];g(n[0]+p*d,n[1]+p*d,n[2]+p*d)}}r.addgroup(e,i.length/3-e,0)})(),function(){let e=i.length/3,n=0;k(t,0),n+=t.length;for(let e=0,r=w.length;e<r;e++){let r=w[e];k(r,n),n+=r.length}r.addgroup(e,i.length/3-e,1)}()}(o)}this.setattribute("position",new ir(i,3)),this.setattribute("uv",new ir(a,2)),this.computevertexnormals()}tojson(){let e=super.tojson(),n=this.parameters.shapes,r=this.parameters.options;return function(e,n,r){if(r.shapes=[],array.isarray(e))for(let n=0,i=e.length;n<i;n++){let i=e[n];r.shapes.push(i.uuid)}else r.shapes.push(e.uuid);return r.options=object.assign({},n),void 0!==n.extrudepath&&(r.options.extrudepath=n.extrudepath.tojson()),r}(n,r,e)}static fromjson(e,n){let r=[];for(let i=0,a=e.shapes.length;i<a;i++){let a=n[e.shapes[i]];r.push(a)}let i=e.options.extrudepath;return void 0!==i&&(e.options.extrudepath=new lp[i.type]().fromjson(i)),new lk(r,e.options)}}let ly={generatetopuv:function(e,n,r,i,a){let s=n[3*r],o=n[3*r+1],l=n[3*i],u=n[3*i+1],c=n[3*a],h=n[3*a+1];return[new ny(s,o),new ny(l,u),new ny(c,h)]},generatesidewalluv:function(e,n,r,i,a,s){let o=n[3*r],l=n[3*r+1],u=n[3*r+2],c=n[3*i],h=n[3*i+1],d=n[3*i+2],p=n[3*a],f=n[3*a+1],m=n[3*a+2],g=n[3*s],v=n[3*s+1],y=n[3*s+2];return math.abs(l-h)<math.abs(o-c)?[new ny(o,1-u),new ny(c,1-d),new ny(p,1-m),new ny(g,1-y)]:[new ny(l,1-u),new ny(h,1-d),new ny(f,1-m),new ny(v,1-y)]}};class lq extends la{constructor(e=1,n=0){let r=(1+math.sqrt(5))/2;super([-1,r,0,1,r,0,-1,-r,0,1,-r,0,0,-1,r,0,1,r,0,-1,-r,0,1,-r,r,0,-1,r,0,1,-r,0,-1,-r,0,1],[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],e,n),this.type="icosahedrongeometry",this.parameters={radius:e,detail:n}}static fromjson(e){return new lq(e.radius,e.detail)}}class lq extends la{constructor(e=1,n=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],e,n),this.type="octahedrongeometry",this.parameters={radius:e,detail:n}}static fromjson(e){return new lq(e.radius,e.detail)}}class lz extends id{constructor(e=.5,n=1,r=32,i=1,a=0,s=2*math.pi){super(),this.type="ringgeometry",this.parameters={innerradius:e,outerradius:n,thetasegments:r,phisegments:i,thetastart:a,thetalength:s},r=math.max(3,r),i=math.max(1,i);let o=[],l=[],u=[],c=[],h=e,d=(n-e)/i,p=new ny,f=new ny;for(let e=0;e<=i;e++){for(let e=0;e<=r;e++){let i=a+e/r*s;p.x=h*math.cos(i),p.y=h*math.sin(i),l.push(p.x,p.y,p.z),u.push(0,0,1),f.x=(p.x/n+1)/2,f.y=(p.y/n+1)/2,c.push(f.x,f.y)}h+=d}for(let e=0;e<i;e++){let n=e*(r+1);for(let e=0;e<r;e++){let i=e+n,a=i+r+1,s=i+r+2,l=i+1;o.push(i,a,l),o.push(a,s,l)}}this.setindex(o),this.setattribute("position",new ir(l,3)),this.setattribute("normal",new ir(u,3)),this.setattribute("uv",new ir(c,2))}static fromjson(e){return new lz(e.innerradius,e.outerradius,e.thetasegments,e.phisegments,e.thetastart,e.thetalength)}}class l$ extends id{constructor(e=new lt([new ny(0,.5),new ny(-.5,-.5),new ny(.5,-.5)]),n=12){super(),this.type="shapegeometry",this.parameters={shapes:e,curvesegments:n};let r=[],i=[],a=[],s=[],o=0,l=0;if(!1===array.isarray(e))u(e);else for(let n=0;n<e.length;n++)u(e[n]),this.addgroup(o,l,n),o+=l,l=0;function u(e){let o=i.length/3,u=e.extractpoints(n),c=u.shape,h=u.holes;!1===lw.isclockwise(c)&&(c=c.reverse());for(let e=0,n=h.length;e<n;e++){let n=h[e];!0===lw.isclockwise(n)&&(h[e]=n.reverse())}let d=lw.triangulateshape(c,h);for(let e=0,n=h.length;e<n;e++){let n=h[e];c=c.concat(n)}for(let e=0,n=c.length;e<n;e++){let n=c[e];i.push(n.x,n.y,0),a.push(0,0,1),s.push(n.x,n.y)}for(let e=0,n=d.length;e<n;e++){let n=d[e],i=n[0]+o,a=n[1]+o,s=n[2]+o;r.push(i,a,s),l+=3}}this.setindex(r),this.setattribute("position",new ir(i,3)),this.setattribute("normal",new ir(a,3)),this.setattribute("uv",new ir(s,2))}tojson(){let e=super.tojson(),n=this.parameters.shapes;return function(e,n){if(n.shapes=[],array.isarray(e))for(let r=0,i=e.length;r<i;r++){let i=e[r];n.shapes.push(i.uuid)}else n.shapes.push(e.uuid);return n}(n,e)}static fromjson(e,n){let r=[];for(let i=0,a=e.shapes.length;i<a;i++){let a=n[e.shapes[i]];r.push(a)}return new l$(r,e.curvesegments)}}class l0 extends id{constructor(e=1,n=32,r=16,i=0,a=2*math.pi,s=0,o=math.pi){super(),this.type="spheregeometry",this.parameters={radius:e,widthsegments:n,heightsegments:r,phistart:i,philength:a,thetastart:s,thetalength:o},n=math.max(3,math.floor(n)),r=math.max(2,math.floor(r));let l=math.min(s+o,math.pi),u=0,c=[],h=new ny,d=new ny,p=[],f=[],m=[],g=[];for(let p=0;p<=r;p++){let v=[],y=p/r,x=0;0==p&&0==s?x=.5/n:p==r&&l==math.pi&&(x=-.5/n);for(let r=0;r<=n;r++){let l=r/n;h.x=-e*math.cos(i+l*a)*math.sin(s+y*o),h.y=e*math.cos(s+y*o),h.z=e*math.sin(i+l*a)*math.sin(s+y*o),f.push(h.x,h.y,h.z),d.copy(h).normalize(),m.push(d.x,d.y,d.z),g.push(l+x,1-y),v.push(u++)}c.push(v)}for(let e=0;e<r;e++)for(let i=0;i<n;i++){let n=c[e][i+1],a=c[e][i],o=c[e+1][i],u=c[e+1][i+1];(0!==e||s>0)&&p.push(n,a,u),(e!==r-1||l<math.pi)&&p.push(a,o,u)}this.setindex(p),this.setattribute("position",new ir(f,3)),this.setattribute("normal",new ir(m,3)),this.setattribute("uv",new ir(g,2))}static fromjson(e){return new l0(e.radius,e.widthsegments,e.heightsegments,e.phistart,e.philength,e.thetastart,e.thetalength)}}class l1 extends la{constructor(e=1,n=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],e,n),this.type="tetrahedrongeometry",this.parameters={radius:e,detail:n}}static fromjson(e){return new l1(e.radius,e.detail)}}class l2 extends id{constructor(e=1,n=.4,r=12,i=48,a=2*math.pi){super(),this.type="torusgeometry",this.parameters={radius:e,tube:n,radialsegments:r,tubularsegments:i,arc:a},r=math.floor(r),i=math.floor(i);let s=[],o=[],l=[],u=[],c=new ny,h=new ny,d=new ny;for(let s=0;s<=r;s++)for(let p=0;p<=i;p++){let f=p/i*a,m=s/r*math.pi*2;h.x=(e+n*math.cos(m))*math.cos(f),h.y=(e+n*math.cos(m))*math.sin(f),h.z=n*math.sin(m),o.push(h.x,h.y,h.z),c.x=e*math.cos(f),c.y=e*math.sin(f),d.subvectors(h,c).normalize(),l.push(d.x,d.y,d.z),u.push(p/i),u.push(s/r)}for(let e=1;e<=r;e++)for(let n=1;n<=i;n++){let r=(i+1)*e+n-1,a=(i+1)*(e-1)+n-1,o=(i+1)*(e-1)+n,l=(i+1)*e+n;s.push(r,a,l),s.push(a,o,l)}this.setindex(s),this.setattribute("position",new ir(o,3)),this.setattribute("normal",new ir(l,3)),this.setattribute("uv",new ir(u,2))}static fromjson(e){return new l2(e.radius,e.tube,e.radialsegments,e.tubularsegments,e.arc)}}class l3 extends id{constructor(e=1,n=.4,r=64,i=8,a=2,s=3){super(),this.type="torusknotgeometry",this.parameters={radius:e,tube:n,tubularsegments:r,radialsegments:i,p:a,q:s},r=math.floor(r),i=math.floor(i);let o=[],l=[],u=[],c=[],h=new ny,d=new ny,p=new ny,f=new ny,m=new ny,g=new ny,v=new ny;for(let o=0;o<=r;++o){let x=o/r*a*math.pi*2;y(x,a,s,e,p),y(x+.01,a,s,e,f),g.subvectors(f,p),v.addvectors(f,p),m.crossvectors(g,v),v.crossvectors(m,g),m.normalize(),v.normalize();for(let e=0;e<=i;++e){let a=e/i*math.pi*2,s=-n*math.cos(a),f=n*math.sin(a);h.x=p.x+(s*v.x+f*m.x),h.y=p.y+(s*v.y+f*m.y),h.z=p.z+(s*v.z+f*m.z),l.push(h.x,h.y,h.z),d.subvectors(h,p).normalize(),u.push(d.x,d.y,d.z),c.push(o/r),c.push(e/i)}}for(let e=1;e<=r;e++)for(let n=1;n<=i;n++){let r=(i+1)*(e-1)+(n-1),a=(i+1)*e+(n-1),s=(i+1)*e+n,l=(i+1)*(e-1)+n;o.push(r,a,l),o.push(a,s,l)}function y(e,n,r,i,a){let s=r/n*e,o=math.cos(s);a.x=i*(2+o)*.5*math.cos(e),a.y=i*(2+o)*math.sin(e)*.5,a.z=i*math.sin(s)*.5}this.setindex(o),this.setattribute("position",new ir(l,3)),this.setattribute("normal",new ir(u,3)),this.setattribute("uv",new ir(c,2))}static fromjson(e){return new l3(e.radius,e.tube,e.tubularsegments,e.radialsegments,e.p,e.q)}}class l4 extends id{constructor(e=new lh(new ny(-1,-1,0),new ny(-1,1,0),new ny(1,1,0)),n=64,r=1,i=8,a=!1){super(),this.type="tubegeometry",this.parameters={path:e,tubularsegments:n,radius:r,radialsegments:i,closed:a};let s=e.computefrenetframes(n,a);this.tangents=s.tangents,this.normals=s.normals,this.binormals=s.binormals;let o=new ny,l=new ny,u=new ny,c=new ny,h=[],d=[],p=[],f=[];function m(a){c=e.getpointat(a/n,c);let u=s.normals[a],p=s.binormals[a];for(let e=0;e<=i;e++){let n=e/i*math.pi*2,a=math.sin(n),s=-math.cos(n);l.x=s*u.x+a*p.x,l.y=s*u.y+a*p.y,l.z=s*u.z+a*p.z,l.normalize(),d.push(l.x,l.y,l.z),o.x=c.x+r*l.x,o.y=c.y+r*l.y,o.z=c.z+r*l.z,h.push(o.x,o.y,o.z)}}(function(){for(let e=0;e<n;e++)m(e);m(!1===a?n:0),function(){for(let e=0;e<=n;e++)for(let r=0;r<=i;r++)u.x=e/n,u.y=r/i,p.push(u.x,u.y)}(),function(){for(let e=1;e<=n;e++)for(let n=1;n<=i;n++){let r=(i+1)*(e-1)+(n-1),a=(i+1)*e+(n-1),s=(i+1)*e+n,o=(i+1)*(e-1)+n;f.push(r,a,o),f.push(a,s,o)}}()})(),this.setindex(f),this.setattribute("position",new ir(h,3)),this.setattribute("normal",new ir(d,3)),this.setattribute("uv",new ir(p,2))}tojson(){let e=super.tojson();return e.path=this.parameters.path.tojson(),e}static fromjson(e){return new l4(new lp[e.path.type]().fromjson(e.path),e.tubularsegments,e.radius,e.radialsegments,e.closed)}}class l6 extends id{constructor(e=null){if(super(),this.type="wireframegeometry",this.parameters={geometry:e},null!==e){let n=[],r=new set,i=new ny,a=new ny;if(null!==e.index){let s=e.attributes.position,o=e.index,l=e.groups;0===l.length&&(l=[{start:0,count:o.count,materialindex:0}]);for(let e=0,u=l.length;e<u;++e){let u=l[e],c=u.start,h=u.count;for(let e=c,l=c+h;e<l;e+=3)for(let l=0;l<3;l++){let u=o.getx(e+l),c=o.getx(e+(l+1)%3);i.frombufferattribute(s,u),a.frombufferattribute(s,c),!0===l5(i,a,r)&&(n.push(i.x,i.y,i.z),n.push(a.x,a.y,a.z))}}}else{let s=e.attributes.position;for(let e=0,o=s.count/3;e<o;e++)for(let o=0;o<3;o++){let l=3*e+o,u=3*e+(o+1)%3;i.frombufferattribute(s,l),a.frombufferattribute(s,u),!0===l5(i,a,r)&&(n.push(i.x,i.y,i.z),n.push(a.x,a.y,a.z))}}this.setattribute("position",new ir(n,3))}}}function l5(e,n,r){let i=`${e.x},${e.y},${e.z}-${n.x},${n.y},${n.z}`,a=`${n.x},${n.y},${n.z}-${e.x},${e.y},${e.z}`;return!0!==r.has(i)&&!0!==r.has(a)&&(r.add(i),r.add(a),!0)}var l9=object.freeze({__proto__:null,boxgeometry:ib,capsulegeometry:lv,circlegeometry:ly,conegeometry:l_,cylindergeometry:lx,dodecahedrongeometry:lb,edgesgeometry:le,extrudegeometry:lk,icosahedrongeometry:lq,lathegeometry:lg,octahedrongeometry:lq,planegeometry:iy,polyhedrongeometry:la,ringgeometry:lz,shapegeometry:l$,spheregeometry:l0,tetrahedrongeometry:l1,torusgeometry:l2,torusknotgeometry:l3,tubegeometry:l4,wireframegeometry:l6});class l8 extends r${constructor(e){super(),this.isshadowmaterial=!0,this.type="shadowmaterial",this.color=new nf(0),this.transparent=!0,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.fog=e.fog,this}}class l7 extends id{constructor(e){super(e),this.israwshadermaterial=!0,this.type="rawshadermaterial"}}class ue extends r${constructor(e){super(),this.ismeshstandardmaterial=!0,this.defines={standard:""},this.type="meshstandardmaterial",this.color=new nf(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightmap=null,this.lightmapintensity=1,this.aomap=null,this.aomapintensity=1,this.emissive=new nf(0),this.emissiveintensity=1,this.emissivemap=null,this.bumpmap=null,this.bumpscale=1,this.normalmap=null,this.normalmaptype=td,this.normalscale=new ny(1,1),this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.roughnessmap=null,this.metalnessmap=null,this.alphamap=null,this.envmap=null,this.envmapintensity=1,this.wireframe=!1,this.wireframelinewidth=1,this.wireframelinecap="round",this.wireframelinejoin="round",this.flatshading=!1,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.defines={standard:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightmap=e.lightmap,this.lightmapintensity=e.lightmapintensity,this.aomap=e.aomap,this.aomapintensity=e.aomapintensity,this.emissive.copy(e.emissive),this.emissivemap=e.emissivemap,this.emissiveintensity=e.emissiveintensity,this.bumpmap=e.bumpmap,this.bumpscale=e.bumpscale,this.normalmap=e.normalmap,this.normalmaptype=e.normalmaptype,this.normalscale.copy(e.normalscale),this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.roughnessmap=e.roughnessmap,this.metalnessmap=e.metalnessmap,this.alphamap=e.alphamap,this.envmap=e.envmap,this.envmapintensity=e.envmapintensity,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.wireframelinecap=e.wireframelinecap,this.wireframelinejoin=e.wireframelinejoin,this.flatshading=e.flatshading,this.fog=e.fog,this}}class ut extends ue{constructor(e){super(),this.ismeshphysicalmaterial=!0,this.defines={standard:"",physical:""},this.type="meshphysicalmaterial",this.clearcoatmap=null,this.clearcoatroughness=0,this.clearcoatroughnessmap=null,this.clearcoatnormalscale=new ny(1,1),this.clearcoatnormalmap=null,this.ior=1.5,object.defineproperty(this,"reflectivity",{get:function(){return nu(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),this.iridescencemap=null,this.iridescenceior=1.3,this.iridescencethicknessrange=[100,400],this.iridescencethicknessmap=null,this.sheencolor=new nf(0),this.sheencolormap=null,this.sheenroughness=1,this.sheenroughnessmap=null,this.transmissionmap=null,this.thickness=0,this.thicknessmap=null,this.attenuationdistance=1/0,this.attenuationcolor=new nf(1,1,1),this.specularintensity=1,this.specularintensitymap=null,this.specularcolor=new nf(1,1,1),this.specularcolormap=null,this._sheen=0,this._clearcoat=0,this._iridescence=0,this._transmission=0,this.setvalues(e)}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={standard:"",physical:""},this.clearcoat=e.clearcoat,this.clearcoatmap=e.clearcoatmap,this.clearcoatroughness=e.clearcoatroughness,this.clearcoatroughnessmap=e.clearcoatroughnessmap,this.clearcoatnormalmap=e.clearcoatnormalmap,this.clearcoatnormalscale.copy(e.clearcoatnormalscale),this.ior=e.ior,this.iridescence=e.iridescence,this.iridescencemap=e.iridescencemap,this.iridescenceior=e.iridescenceior,this.iridescencethicknessrange=[...e.iridescencethicknessrange],this.iridescencethicknessmap=e.iridescencethicknessmap,this.sheen=e.sheen,this.sheencolor.copy(e.sheencolor),this.sheencolormap=e.sheencolormap,this.sheenroughness=e.sheenroughness,this.sheenroughnessmap=e.sheenroughnessmap,this.transmission=e.transmission,this.transmissionmap=e.transmissionmap,this.thickness=e.thickness,this.thicknessmap=e.thicknessmap,this.attenuationdistance=e.attenuationdistance,this.attenuationcolor.copy(e.attenuationcolor),this.specularintensity=e.specularintensity,this.specularintensitymap=e.specularintensitymap,this.specularcolor.copy(e.specularcolor),this.specularcolormap=e.specularcolormap,this}}class un extends r${constructor(e){super(),this.ismeshphongmaterial=!0,this.type="meshphongmaterial",this.color=new nf(16777215),this.specular=new nf(1118481),this.shininess=30,this.map=null,this.lightmap=null,this.lightmapintensity=1,this.aomap=null,this.aomapintensity=1,this.emissive=new nf(0),this.emissiveintensity=1,this.emissivemap=null,this.bumpmap=null,this.bumpscale=1,this.normalmap=null,this.normalmaptype=td,this.normalscale=new ny(1,1),this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.specularmap=null,this.alphamap=null,this.envmap=null,this.combine=ee,this.reflectivity=1,this.refractionratio=.98,this.wireframe=!1,this.wireframelinewidth=1,this.wireframelinecap="round",this.wireframelinejoin="round",this.flatshading=!1,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightmap=e.lightmap,this.lightmapintensity=e.lightmapintensity,this.aomap=e.aomap,this.aomapintensity=e.aomapintensity,this.emissive.copy(e.emissive),this.emissivemap=e.emissivemap,this.emissiveintensity=e.emissiveintensity,this.bumpmap=e.bumpmap,this.bumpscale=e.bumpscale,this.normalmap=e.normalmap,this.normalmaptype=e.normalmaptype,this.normalscale.copy(e.normalscale),this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.specularmap=e.specularmap,this.alphamap=e.alphamap,this.envmap=e.envmap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionratio=e.refractionratio,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.wireframelinecap=e.wireframelinecap,this.wireframelinejoin=e.wireframelinejoin,this.flatshading=e.flatshading,this.fog=e.fog,this}}class ur extends r${constructor(e){super(),this.ismeshtoonmaterial=!0,this.defines={toon:""},this.type="meshtoonmaterial",this.color=new nf(16777215),this.map=null,this.gradientmap=null,this.lightmap=null,this.lightmapintensity=1,this.aomap=null,this.aomapintensity=1,this.emissive=new nf(0),this.emissiveintensity=1,this.emissivemap=null,this.bumpmap=null,this.bumpscale=1,this.normalmap=null,this.normalmaptype=td,this.normalscale=new ny(1,1),this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.alphamap=null,this.wireframe=!1,this.wireframelinewidth=1,this.wireframelinecap="round",this.wireframelinejoin="round",this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientmap=e.gradientmap,this.lightmap=e.lightmap,this.lightmapintensity=e.lightmapintensity,this.aomap=e.aomap,this.aomapintensity=e.aomapintensity,this.emissive.copy(e.emissive),this.emissivemap=e.emissivemap,this.emissiveintensity=e.emissiveintensity,this.bumpmap=e.bumpmap,this.bumpscale=e.bumpscale,this.normalmap=e.normalmap,this.normalmaptype=e.normalmaptype,this.normalscale.copy(e.normalscale),this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.alphamap=e.alphamap,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.wireframelinecap=e.wireframelinecap,this.wireframelinejoin=e.wireframelinejoin,this.fog=e.fog,this}}class ui extends r${constructor(e){super(),this.ismeshnormalmaterial=!0,this.type="meshnormalmaterial",this.bumpmap=null,this.bumpscale=1,this.normalmap=null,this.normalmaptype=td,this.normalscale=new ny(1,1),this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.wireframe=!1,this.wireframelinewidth=1,this.flatshading=!1,this.setvalues(e)}copy(e){return super.copy(e),this.bumpmap=e.bumpmap,this.bumpscale=e.bumpscale,this.normalmap=e.normalmap,this.normalmaptype=e.normalmaptype,this.normalscale.copy(e.normalscale),this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.flatshading=e.flatshading,this}}class ua extends r${constructor(e){super(),this.ismeshlambertmaterial=!0,this.type="meshlambertmaterial",this.color=new nf(16777215),this.map=null,this.lightmap=null,this.lightmapintensity=1,this.aomap=null,this.aomapintensity=1,this.emissive=new nf(0),this.emissiveintensity=1,this.emissivemap=null,this.bumpmap=null,this.bumpscale=1,this.normalmap=null,this.normalmaptype=td,this.normalscale=new ny(1,1),this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.specularmap=null,this.alphamap=null,this.envmap=null,this.combine=ee,this.reflectivity=1,this.refractionratio=.98,this.wireframe=!1,this.wireframelinewidth=1,this.wireframelinecap="round",this.wireframelinejoin="round",this.flatshading=!1,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightmap=e.lightmap,this.lightmapintensity=e.lightmapintensity,this.aomap=e.aomap,this.aomapintensity=e.aomapintensity,this.emissive.copy(e.emissive),this.emissivemap=e.emissivemap,this.emissiveintensity=e.emissiveintensity,this.bumpmap=e.bumpmap,this.bumpscale=e.bumpscale,this.normalmap=e.normalmap,this.normalmaptype=e.normalmaptype,this.normalscale.copy(e.normalscale),this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.specularmap=e.specularmap,this.alphamap=e.alphamap,this.envmap=e.envmap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionratio=e.refractionratio,this.wireframe=e.wireframe,this.wireframelinewidth=e.wireframelinewidth,this.wireframelinecap=e.wireframelinecap,this.wireframelinejoin=e.wireframelinejoin,this.flatshading=e.flatshading,this.fog=e.fog,this}}class us extends r${constructor(e){super(),this.ismeshmatcapmaterial=!0,this.defines={matcap:""},this.type="meshmatcapmaterial",this.color=new nf(16777215),this.matcap=null,this.map=null,this.bumpmap=null,this.bumpscale=1,this.normalmap=null,this.normalmaptype=td,this.normalscale=new ny(1,1),this.displacementmap=null,this.displacementscale=1,this.displacementbias=0,this.alphamap=null,this.flatshading=!1,this.fog=!0,this.setvalues(e)}copy(e){return super.copy(e),this.defines={matcap:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpmap=e.bumpmap,this.bumpscale=e.bumpscale,this.normalmap=e.normalmap,this.normalmaptype=e.normalmaptype,this.normalscale.copy(e.normalscale),this.displacementmap=e.displacementmap,this.displacementscale=e.displacementscale,this.displacementbias=e.displacementbias,this.alphamap=e.alphamap,this.flatshading=e.flatshading,this.fog=e.fog,this}}class uo extends of{constructor(e){super(),this.islinedashedmaterial=!0,this.type="linedashedmaterial",this.scale=1,this.dashsize=3,this.gapsize=1,this.setvalues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashsize=e.dashsize,this.gapsize=e.gapsize,this}}function ul(e,n,r){return uc(e)?new e.constructor(e.subarray(n,void 0!==r?r:e.length)):e.slice(n,r)}function uu(e,n,r){return e&&(r||e.constructor!==n)?"number"==typeof n.bytes_per_element?new n(e):array.prototype.slice.call(e):e}function uc(e){return arraybuffer.isview(e)&&!(e instanceof dataview)}function uh(e){let n=e.length,r=array(n);for(let e=0;e!==n;++e)r[e]=e;return r.sort(function(n,r){return e[n]-e[r]}),r}function ud(e,n,r){let i=e.length,a=new e.constructor(i);for(let s=0,o=0;o!==i;++s){let i=r[s]*n;for(let r=0;r!==n;++r)a[o++]=e[i+r]}return a}function up(e,n,r,i){let a=1,s=e[0];for(;void 0!==s&&void 0===s[i];)s=e[a++];if(void 0===s)return;let o=s[i];if(void 0!==o){if(array.isarray(o))do void 0!==(o=s[i])&&(n.push(s.time),r.push.apply(r,o)),s=e[a++];while(void 0!==s);else if(void 0!==o.toarray)do void 0!==(o=s[i])&&(n.push(s.time),o.toarray(r,r.length)),s=e[a++];while(void 0!==s);else do void 0!==(o=s[i])&&(n.push(s.time),r.push(o)),s=e[a++];while(void 0!==s)}}var uf=object.freeze({__proto__:null,arrayslice:ul,convertarray:uu,flattenjson:up,getkeyframeorder:uh,istypedarray:uc,makeclipadditive:function(e,n=0,r=e,i=30){i<=0&&(i=30);let a=r.tracks.length,s=n/i;for(let n=0;n<a;++n){let i;let a=r.tracks[n],o=a.valuetypename;if("bool"===o||"string"===o)continue;let l=e.tracks.find(function(e){return e.name===a.name&&e.valuetypename===o});if(void 0===l)continue;let u=0,c=a.getvaluesize();a.createinterpolant.isinterpolantfactorymethodgltfcubicspline&&(u=c/3);let h=0,d=l.getvaluesize();l.createinterpolant.isinterpolantfactorymethodgltfcubicspline&&(h=d/3);let p=a.times.length-1;if(s<=a.times[0]){let e=u,n=c-u;i=ul(a.values,e,n)}else if(s>=a.times[p]){let e=p*c+u,n=e+c-u;i=ul(a.values,e,n)}else{let e=a.createinterpolant(),n=u,r=c-u;e.evaluate(s),i=ul(e.resultbuffer,n,r)}if("quaternion"===o){let e=new nk().fromarray(i).normalize().conjugate();e.toarray(i)}let f=l.times.length;for(let e=0;e<f;++e){let n=e*d+h;if("quaternion"===o)nk.multiplyquaternionsflat(l.values,n,i,0,l.values,n);else{let e=d-2*h;for(let r=0;r<e;++r)l.values[n+r]-=i[r]}}}return e.blendmode=tc,e},sortedarray:ud,subclip:function(e,n,r,i,a=30){let s=e.clone();s.name=n;let o=[];for(let e=0;e<s.tracks.length;++e){let n=s.tracks[e],l=n.getvaluesize(),u=[],c=[];for(let e=0;e<n.times.length;++e){let s=n.times[e]*a;if(!(s<r)&&!(s>=i)){u.push(n.times[e]);for(let r=0;r<l;++r)c.push(n.values[e*l+r])}}0!==u.length&&(n.times=uu(u,n.times.constructor),n.values=uu(c,n.values.constructor),o.push(n))}s.tracks=o;let l=1/0;for(let e=0;e<s.tracks.length;++e)l>s.tracks[e].times[0]&&(l=s.tracks[e].times[0]);for(let e=0;e<s.tracks.length;++e)s.tracks[e].shift(-1*l);return s.resetduration(),s}});class um{constructor(e,n,r,i){this.parameterpositions=e,this._cachedindex=0,this.resultbuffer=void 0!==i?i:new n.constructor(r),this.samplevalues=n,this.valuesize=r,this.settings=null,this.defaultsettings_={}}evaluate(e){let n=this.parameterpositions,r=this._cachedindex,i=n[r],a=n[r-1];n:{r:{let s;i:{a:if(!(e<i)){for(let s=r+2;;){if(void 0===i){if(e<a)break a;return r=n.length,this._cachedindex=r,this.copysamplevalue_(r-1)}if(r===s)break;if(a=i,e<(i=n[++r]))break r}s=n.length;break i}if(!(e>=a)){let o=n[1];e<o&&(r=2,a=o);for(let s=r-2;;){if(void 0===a)return this._cachedindex=0,this.copysamplevalue_(0);if(r===s)break;if(i=a,e>=(a=n[--r-1]))break r}s=r,r=0;break i}break n}for(;r<s;){let i=r+s>>>1;e<n[i]?s=i:r=i+1}if(i=n[r],void 0===(a=n[r-1]))return this._cachedindex=0,this.copysamplevalue_(0);if(void 0===i)return r=n.length,this._cachedindex=r,this.copysamplevalue_(r-1)}this._cachedindex=r,this.intervalchanged_(r,a,i)}return this.interpolate_(r,a,e,i)}getsettings_(){return this.settings||this.defaultsettings_}copysamplevalue_(e){let n=this.resultbuffer,r=this.samplevalues,i=this.valuesize,a=e*i;for(let e=0;e!==i;++e)n[e]=r[a+e];return n}interpolate_(){throw error("call to abstract method")}intervalchanged_(){}}class ug extends um{constructor(e,n,r,i){super(e,n,r,i),this._weightprev=-0,this._offsetprev=-0,this._weightnext=-0,this._offsetnext=-0,this.defaultsettings_={endingstart:tb,endingend:tb}}intervalchanged_(e,n,r){let i=this.parameterpositions,a=e-2,s=e+1,o=i[a],l=i[s];if(void 0===o)switch(this.getsettings_().endingstart){case tm:a=e,o=2*n-r;break;case ts:a=i.length-2,o=n+i[a]-i[a+1];break;default:a=e,o=r}if(void 0===l)switch(this.getsettings_().endingend){case tm:s=e,l=2*r-n;break;case ts:s=1,l=r+i[1]-i[0];break;default:s=e-1,l=n}let u=(r-n)*.5,c=this.valuesize;this._weightprev=u/(n-o),this._weightnext=u/(l-r),this._offsetprev=a*c,this._offsetnext=s*c}interpolate_(e,n,r,i){let a=this.resultbuffer,s=this.samplevalues,o=this.valuesize,l=e*o,u=l-o,c=this._offsetprev,h=this._offsetnext,d=this._weightprev,p=this._weightnext,f=(r-n)/(i-n),m=f*f,g=m*f,v=-d*g+2*d*m-d*f,y=(1+d)*g+(-1.5-2*d)*m+(-.5+d)*f+1,x=(-1-p)*g+(1.5+p)*m+.5*f,_=p*g-p*m;for(let e=0;e!==o;++e)a[e]=v*s[c+e]+y*s[u+e]+x*s[l+e]+_*s[h+e];return a}}class uv extends um{constructor(e,n,r,i){super(e,n,r,i)}interpolate_(e,n,r,i){let a=this.resultbuffer,s=this.samplevalues,o=this.valuesize,l=e*o,u=l-o,c=(r-n)/(i-n),h=1-c;for(let e=0;e!==o;++e)a[e]=s[u+e]*h+s[l+e]*c;return a}}class uy extends um{constructor(e,n,r,i){super(e,n,r,i)}interpolate_(e){return this.copysamplevalue_(e-1)}}class ux{constructor(e,n,r,i){if(void 0===e)throw error("three.keyframetrack: track name is undefined");if(void 0===n||0===n.length)throw error("three.keyframetrack: no keyframes in track named "+e);this.name=e,this.times=uu(n,this.timebuffertype),this.values=uu(r,this.valuebuffertype),this.setinterpolation(i||this.defaultinterpolation)}static tojson(e){let n;let r=e.constructor;if(r.tojson!==this.tojson)n=r.tojson(e);else{n={name:e.name,times:uu(e.times,array),values:uu(e.values,array)};let r=e.getinterpolation();r!==e.defaultinterpolation&&(n.interpolation=r)}return n.type=e.valuetypename,n}interpolantfactorymethoddiscrete(e){return new uy(this.times,this.values,this.getvaluesize(),e)}interpolantfactorymethodlinear(e){return new uv(this.times,this.values,this.getvaluesize(),e)}interpolantfactorymethodsmooth(e){return new ug(this.times,this.values,this.getvaluesize(),e)}setinterpolation(e){let n;switch(e){case tx:n=this.interpolantfactorymethoddiscrete;break;case t_:n=this.interpolantfactorymethodlinear;break;case ta:n=this.interpolantfactorymethodsmooth}if(void 0===n){let n="unsupported interpolation for "+this.valuetypename+" keyframe track named "+this.name;if(void 0===this.createinterpolant){if(e!==this.defaultinterpolation)this.setinterpolation(this.defaultinterpolation);else throw error(n)}return console.warn("three.keyframetrack:",n),this}return this.createinterpolant=n,this}getinterpolation(){switch(this.createinterpolant){case this.interpolantfactorymethoddiscrete:return tx;case this.interpolantfactorymethodlinear:return t_;case this.interpolantfactorymethodsmooth:return ta}}getvaluesize(){return this.values.length/this.times.length}shift(e){if(0!==e){let n=this.times;for(let r=0,i=n.length;r!==i;++r)n[r]+=e}return this}scale(e){if(1!==e){let n=this.times;for(let r=0,i=n.length;r!==i;++r)n[r]*=e}return this}trim(e,n){let r=this.times,i=r.length,a=0,s=i-1;for(;a!==i&&r[a]<e;)++a;for(;-1!==s&&r[s]>n;)--s;if(++s,0!==a||s!==i){a>=s&&(a=(s=math.max(s,1))-1);let e=this.getvaluesize();this.times=ul(r,a,s),this.values=ul(this.values,a*e,s*e)}return this}validate(){let e=!0,n=this.getvaluesize();n-math.floor(n)!=0&&(console.error("three.keyframetrack: invalid value size in track.",this),e=!1);let r=this.times,i=this.values,a=r.length;0===a&&(console.error("three.keyframetrack: track is empty.",this),e=!1);let s=null;for(let n=0;n!==a;n++){let i=r[n];if("number"==typeof i&&isnan(i)){console.error("three.keyframetrack: time is not a valid number.",this,n,i),e=!1;break}if(null!==s&&s>i){console.error("three.keyframetrack: out of order keys.",this,n,i,s),e=!1;break}s=i}if(void 0!==i&&uc(i))for(let n=0,r=i.length;n!==r;++n){let r=i[n];if(isnan(r)){console.error("three.keyframetrack: value is not a valid number.",this,n,r),e=!1;break}}return e}optimize(){let e=ul(this.times),n=ul(this.values),r=this.getvaluesize(),i=this.getinterpolation()===ta,a=e.length-1,s=1;for(let o=1;o<a;++o){let a=!1,l=e[o],u=e[o+1];if(l!==u&&(1!==o||l!==e[0])){if(i)a=!0;else{let e=o*r,i=e-r,s=e+r;for(let o=0;o!==r;++o){let r=n[e+o];if(r!==n[i+o]||r!==n[s+o]){a=!0;break}}}}if(a){if(o!==s){e[s]=e[o];let i=o*r,a=s*r;for(let e=0;e!==r;++e)n[a+e]=n[i+e]}++s}}if(a>0){e[s]=e[a];for(let e=a*r,i=s*r,o=0;o!==r;++o)n[i+o]=n[e+o];++s}return s!==e.length?(this.times=ul(e,0,s),this.values=ul(n,0,s*r)):(this.times=e,this.values=n),this}clone(){let e=ul(this.times,0),n=ul(this.values,0),r=this.constructor,i=new r(this.name,e,n);return i.createinterpolant=this.createinterpolant,i}}ux.prototype.timebuffertype=float32array,ux.prototype.valuebuffertype=float32array,ux.prototype.defaultinterpolation=t_;class u_ extends ux{}u_.prototype.valuetypename="bool",u_.prototype.valuebuffertype=array,u_.prototype.defaultinterpolation=tx,u_.prototype.interpolantfactorymethodlinear=void 0,u_.prototype.interpolantfactorymethodsmooth=void 0;class ua extends ux{}ua.prototype.valuetypename="color";class ub extends ux{}ub.prototype.valuetypename="number";class um extends um{constructor(e,n,r,i){super(e,n,r,i)}interpolate_(e,n,r,i){let a=this.resultbuffer,s=this.samplevalues,o=this.valuesize,l=(r-n)/(i-n),u=e*o;for(let e=u+o;u!==e;u+=4)nk.slerpflat(a,0,s,u-o,s,u,l);return a}}class us extends ux{interpolantfactorymethodlinear(e){return new um(this.times,this.values,this.getvaluesize(),e)}}us.prototype.valuetypename="quaternion",us.prototype.defaultinterpolation=t_,us.prototype.interpolantfactorymethodsmooth=void 0;class uw extends ux{}uw.prototype.valuetypename="string",uw.prototype.valuebuffertype=array,uw.prototype.defaultinterpolation=tx,uw.prototype.interpolantfactorymethodlinear=void 0,uw.prototype.interpolantfactorymethodsmooth=void 0;class uc extends ux{}uc.prototype.valuetypename="vector";class ue{constructor(e,n=-1,r,i=tw){this.name=e,this.tracks=r,this.duration=n,this.blendmode=i,this.uuid=nl(),this.duration<0&&this.resetduration()}static parse(e){let n=[],r=e.tracks,i=1/(e.fps||1);for(let e=0,a=r.length;e!==a;++e)n.push((function(e){if(void 0===e.type)throw error("three.keyframetrack: track type undefined, can not parse");let n=function(e){switch(e.tolowercase()){case"scalar":case"double":case"float":case"number":case"integer":return ub;case"vector":case"vector2":case"vector3":case"vector4":return uc;case"color":return ua;case"quaternion":return us;case"bool":case"boolean":return u_;case"string":return uw}throw error("three.keyframetrack: unsupported typename: "+e)}(e.type);if(void 0===e.times){let n=[],r=[];up(e.keys,n,r,"value"),e.times=n,e.values=r}return void 0!==n.parse?n.parse(e):new n(e.name,e.times,e.values,e.interpolation)})(r[e]).scale(i));let a=new this(e.name,e.duration,n,e.blendmode);return a.uuid=e.uuid,a}static tojson(e){let n=[],r=e.tracks,i={name:e.name,duration:e.duration,tracks:n,uuid:e.uuid,blendmode:e.blendmode};for(let e=0,i=r.length;e!==i;++e)n.push(ux.tojson(r[e]));return i}static createfrommorphtargetsequence(e,n,r,i){let a=n.length,s=[];for(let e=0;e<a;e++){let o=[],l=[];o.push((e+a-1)%a,e,(e+1)%a),l.push(0,1,0);let u=uh(o);o=ud(o,1,u),l=ud(l,1,u),i||0!==o[0]||(o.push(a),l.push(l[0])),s.push(new ub(".morphtargetinfluences["+n[e].name+"]",o,l).scale(1/r))}return new this(e,-1,s)}static findbyname(e,n){let r=e;array.isarray(e)||(r=e.geometry&&e.geometry.animations||e.animations);for(let e=0;e<r.length;e++)if(r[e].name===n)return r[e];return null}static createclipsfrommorphtargetsequences(e,n,r){let i={},a=/^([\w-]*?)([\d]+)$/;for(let n=0,r=e.length;n<r;n++){let r=e[n],s=r.name.match(a);if(s&&s.length>1){let e=s[1],n=i[e];n||(i[e]=n=[]),n.push(r)}}let s=[];for(let e in i)s.push(this.createfrommorphtargetsequence(e,i[e],n,r));return s}static parseanimation(e,n){if(!e)return console.error("three.animationclip: no animation in jsonloader data."),null;let r=function(e,n,r,i,a){if(0!==r.length){let s=[],o=[];up(r,s,o,i),0!==s.length&&a.push(new e(n,s,o))}},i=[],a=e.name||"default",s=e.fps||30,o=e.blendmode,l=e.length||-1,u=e.hierarchy||[];for(let e=0;e<u.length;e++){let a=u[e].keys;if(a&&0!==a.length){if(a[0].morphtargets){let e;let n={};for(e=0;e<a.length;e++)if(a[e].morphtargets)for(let r=0;r<a[e].morphtargets.length;r++)n[a[e].morphtargets[r]]=-1;for(let r in n){let n=[],s=[];for(let i=0;i!==a[e].morphtargets.length;++i){let i=a[e];n.push(i.time),s.push(i.morphtarget===r?1:0)}i.push(new ub(".morphtargetinfluence["+r+"]",n,s))}l=n.length*s}else{let s=".bones["+n[e].name+"]";r(uc,s+".position",a,"pos",i),r(us,s+".quaternion",a,"rot",i),r(uc,s+".scale",a,"scl",i)}}}if(0===i.length)return null;let c=new this(a,l,i,o);return c}resetduration(){let e=this.tracks,n=0;for(let r=0,i=e.length;r!==i;++r){let e=this.tracks[r];n=math.max(n,e.times[e.times.length-1])}return this.duration=n,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let n=0;n<this.tracks.length;n++)e=e&&this.tracks[n].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){let e=[];for(let n=0;n<this.tracks.length;n++)e.push(this.tracks[n].clone());return new this.constructor(this.name,this.duration,e,this.blendmode)}tojson(){return this.constructor.tojson(this)}}let ut={enabled:!1,files:{},add:function(e,n){!1!==this.enabled&&(this.files[e]=n)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class ub{constructor(e,n,r){let i;let a=this,s=!1,o=0,l=0,u=[];this.onstart=void 0,this.onload=e,this.onprogress=n,this.onerror=r,this.itemstart=function(e){l++,!1===s&&void 0!==a.onstart&&a.onstart(e,o,l),s=!0},this.itemend=function(e){o++,void 0!==a.onprogress&&a.onprogress(e,o,l),o===l&&(s=!1,void 0!==a.onload&&a.onload())},this.itemerror=function(e){void 0!==a.onerror&&a.onerror(e)},this.resolveurl=function(e){return i?i(e):e},this.seturlmodifier=function(e){return i=e,this},this.addhandler=function(e,n){return u.push(e,n),this},this.removehandler=function(e){let n=u.indexof(e);return -1!==n&&u.splice(n,2),this},this.gethandler=function(e){for(let n=0,r=u.length;n<r;n+=2){let r=u[n],i=u[n+1];if(r.global&&(r.lastindex=0),r.test(e))return i}return null}}}let up=new ub;class ur{constructor(e){this.manager=void 0!==e?e:up,this.crossorigin="anonymous",this.withcredentials=!1,this.path="",this.resourcepath="",this.requestheader={}}load(){}loadasync(e,n){let r=this;return new promise(function(i,a){r.load(e,i,n,a)})}parse(){}setcrossorigin(e){return this.crossorigin=e,this}setwithcredentials(e){return this.withcredentials=e,this}setpath(e){return this.path=e,this}setresourcepath(e){return this.resourcepath=e,this}setrequestheader(e){return this.requestheader=e,this}}let ul={};class ui extends error{constructor(e,n){super(e),this.response=n}}class ud extends ur{constructor(e){super(e)}load(e,n,r,i){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveurl(e);let a=ut.get(e);if(void 0!==a)return this.manager.itemstart(e),settimeout(()=>{n&&n(a),this.manager.itemend(e)},0),a;if(void 0!==ul[e]){ul[e].push({onload:n,onprogress:r,onerror:i});return}ul[e]=[],ul[e].push({onload:n,onprogress:r,onerror:i});let s=new request(e,{headers:new headers(this.requestheader),credentials:this.withcredentials?"include":"same-origin"}),o=this.mimetype,l=this.responsetype;fetch(s).then(n=>{if(200===n.status||0===n.status){if(0===n.status&&console.warn("three.fileloader: http status 0 received."),"undefined"==typeof readablestream||void 0===n.body||void 0===n.body.getreader)return n;let r=ul[e],i=n.body.getreader(),a=n.headers.get("content-length")||n.headers.get("x-file-size"),s=a?parseint(a):0,o=0!==s,l=0,u=new readablestream({start(e){(function n(){i.read().then(({done:i,value:a})=>{if(i)e.close();else{l+=a.bytelength;let i=new progressevent("progress",{lengthcomputable:o,loaded:l,total:s});for(let e=0,n=r.length;e<n;e++){let n=r[e];n.onprogress&&n.onprogress(i)}e.enqueue(a),n()}})})()}});return new response(u)}throw new ui(`fetch for "${n.url}" responded with ${n.status}: ${n.statustext}`,n)}).then(e=>{switch(l){case"arraybuffer":return e.arraybuffer();case"blob":return e.blob();case"document":return e.text().then(e=>{let n=new domparser;return n.parsefromstring(e,o)});case"json":return e.json();default:if(void 0===o)return e.text();{let n=/charset="?([^;"\s]*)"?/i.exec(o),r=n&&n[1]?n[1].tolowercase():void 0,i=new textdecoder(r);return e.arraybuffer().then(e=>i.decode(e))}}}).then(n=>{ut.add(e,n);let r=ul[e];delete ul[e];for(let e=0,i=r.length;e<i;e++){let i=r[e];i.onload&&i.onload(n)}}).catch(n=>{let r=ul[e];if(void 0===r)throw this.manager.itemerror(e),n;delete ul[e];for(let e=0,i=r.length;e<i;e++){let i=r[e];i.onerror&&i.onerror(n)}this.manager.itemerror(e)}).finally(()=>{this.manager.itemend(e)}),this.manager.itemstart(e)}setresponsetype(e){return this.responsetype=e,this}setmimetype(e){return this.mimetype=e,this}}class uf extends ur{constructor(e){super(e)}load(e,n,r,i){let a=this,s=new ud(this.manager);s.setpath(this.path),s.setrequestheader(this.requestheader),s.setwithcredentials(this.withcredentials),s.load(e,function(r){try{n(a.parse(json.parse(r)))}catch(n){i?i(n):console.error(n),a.manager.itemerror(e)}},r,i)}parse(e){let n=[];for(let r=0;r<e.length;r++){let i=ue.parse(e[r]);n.push(i)}return n}}class uo extends ur{constructor(e){super(e)}load(e,n,r,i){let a=this,s=[],o=new o1,l=new ud(this.manager);l.setpath(this.path),l.setresponsetype("arraybuffer"),l.setrequestheader(this.requestheader),l.setwithcredentials(a.withcredentials);let u=0;if(array.isarray(e))for(let c=0,h=e.length;c<h;++c)!function(c){l.load(e[c],function(e){let r=a.parse(e,!0);s[c]={width:r.width,height:r.height,format:r.format,mipmaps:r.mipmaps},6===(u+=1)&&(1===r.mipmapcount&&(o.minfilter=em),o.image=s,o.format=r.format,o.needsupdate=!0,n&&n(o))},r,i)}(c);else l.load(e,function(e){let r=a.parse(e,!0);if(r.iscubemap){let e=r.mipmaps.length/r.mipmapcount;for(let n=0;n<e;n++){s[n]={mipmaps:[]};for(let e=0;e<r.mipmapcount;e++)s[n].mipmaps.push(r.mipmaps[n*r.mipmapcount+e]),s[n].format=r.format,s[n].width=r.width,s[n].height=r.height}o.image=s}else o.image.width=r.width,o.image.height=r.height,o.mipmaps=r.mipmaps;1===r.mipmapcount&&(o.minfilter=em),o.format=r.format,o.needsupdate=!0,n&&n(o)},r,i);return o}}class un extends ur{constructor(e){super(e)}load(e,n,r,i){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveurl(e);let a=this,s=ut.get(e);if(void 0!==s)return a.manager.itemstart(e),settimeout(function(){n&&n(s),a.manager.itemend(e)},0),s;let o=ns("img");function l(){c(),ut.add(e,this),n&&n(this),a.manager.itemend(e)}function u(n){c(),i&&i(n),a.manager.itemerror(e),a.manager.itemend(e)}function c(){o.removeeventlistener("load",l,!1),o.removeeventlistener("error",u,!1)}return o.addeventlistener("load",l,!1),o.addeventlistener("error",u,!1),"data:"!==e.slice(0,5)&&void 0!==this.crossorigin&&(o.crossorigin=this.crossorigin),a.manager.itemstart(e),o.src=e,o}}class uk extends ur{constructor(e){super(e)}load(e,n,r,i){let a=new ik,s=new un(this.manager);s.setcrossorigin(this.crossorigin),s.setpath(this.path);let o=0;for(let r=0;r<e.length;++r)!function(r){s.load(e[r],function(e){a.images[r]=e,6==++o&&(a.needsupdate=!0,n&&n(a))},void 0,i)}(r);return a}}class uh extends ur{constructor(e){super(e)}load(e,n,r,i){let a=this,s=new os,o=new ud(this.manager);return o.setresponsetype("arraybuffer"),o.setrequestheader(this.requestheader),o.setpath(this.path),o.setwithcredentials(a.withcredentials),o.load(e,function(e){let r=a.parse(e);r&&(void 0!==r.image?s.image=r.image:void 0!==r.data&&(s.image.width=r.width,s.image.height=r.height,s.image.data=r.data),s.wraps=void 0!==r.wraps?r.wraps:eg,s.wrapt=void 0!==r.wrapt?r.wrapt:eg,s.magfilter=void 0!==r.magfilter?r.magfilter:em,s.minfilter=void 0!==r.minfilter?r.minfilter:em,s.anisotropy=void 0!==r.anisotropy?r.anisotropy:1,void 0!==r.encoding&&(s.encoding=r.encoding),void 0!==r.flipy&&(s.flipy=r.flipy),void 0!==r.format&&(s.format=r.format),void 0!==r.type&&(s.type=r.type),void 0!==r.mipmaps&&(s.mipmaps=r.mipmaps,s.minfilter=ec),1===r.mipmapcount&&(s.minfilter=em),void 0!==r.generatemipmaps&&(s.generatemipmaps=r.generatemipmaps),s.needsupdate=!0,n&&n(s,r))},r,i),s}}class ug extends ur{constructor(e){super(e)}load(e,n,r,i){let a=new ng,s=new un(this.manager);return s.setcrossorigin(this.crossorigin),s.setpath(this.path),s.load(e,function(e){a.image=e,a.needsupdate=!0,void 0!==n&&n(a)},r,i),a}}class uu extends rg{constructor(e,n=1){super(),this.islight=!0,this.type="light",this.color=new nf(e),this.intensity=n}dispose(){}copy(e,n){return super.copy(e,n),this.color.copy(e.color),this.intensity=e.intensity,this}tojson(e){let n=super.tojson(e);return n.object.color=this.color.gethex(),n.object.intensity=this.intensity,void 0!==this.groundcolor&&(n.object.groundcolor=this.groundcolor.gethex()),void 0!==this.distance&&(n.object.distance=this.distance),void 0!==this.angle&&(n.object.angle=this.angle),void 0!==this.decay&&(n.object.decay=this.decay),void 0!==this.penumbra&&(n.object.penumbra=this.penumbra),void 0!==this.shadow&&(n.object.shadow=this.shadow.tojson()),n}}class uz extends uu{constructor(e,n,r){super(e,r),this.ishemispherelight=!0,this.type="hemispherelight",this.position.copy(rg.default_up),this.updatematrix(),this.groundcolor=new nf(n)}copy(e,n){return super.copy(e,n),this.groundcolor.copy(e.groundcolor),this}}let uv=new rm,uj=new ny,uw=new ny;class uj{constructor(e){this.camera=e,this.bias=0,this.normalbias=0,this.radius=1,this.blursamples=8,this.mapsize=new ny(512,512),this.map=null,this.mappass=null,this.matrix=new rm,this.autoupdate=!0,this.needsupdate=!1,this._frustum=new ij,this._frameextents=new ny(1,1),this._viewportcount=1,this._viewports=[new nu(0,0,1,1)]}getviewportcount(){return this._viewportcount}getfrustum(){return this._frustum}updatematrices(e){let n=this.camera,r=this.matrix;uj.setfrommatrixposition(e.matrixworld),n.position.copy(uj),uw.setfrommatrixposition(e.target.matrixworld),n.lookat(uw),n.updatematrixworld(),uv.multiplymatrices(n.projectionmatrix,n.matrixworldinverse),this._frustum.setfromprojectionmatrix(uv),r.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),r.multiply(uv)}getviewport(e){return this._viewports[e]}getframeextents(){return this._frameextents}dispose(){this.map&&this.map.dispose(),this.mappass&&this.mappass.dispose()}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapsize.copy(e.mapsize),this}clone(){return new this.constructor().copy(this)}tojson(){let e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalbias&&(e.normalbias=this.normalbias),1!==this.radius&&(e.radius=this.radius),(512!==this.mapsize.x||512!==this.mapsize.y)&&(e.mapsize=this.mapsize.toarray()),e.camera=this.camera.tojson(!1).object,delete e.camera.matrix,e}}class ux extends uj{constructor(){super(new io(50,1,.5,500)),this.isspotlightshadow=!0,this.focus=1}updatematrices(e){let n=this.camera,r=2*no*e.angle*this.focus,i=this.mapsize.width/this.mapsize.height,a=e.distance||n.far;(r!==n.fov||i!==n.aspect||a!==n.far)&&(n.fov=r,n.aspect=i,n.far=a,n.updateprojectionmatrix()),super.updatematrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class uk extends uu{constructor(e,n,r=0,i=math.pi/3,a=0,s=2){super(e,n),this.isspotlight=!0,this.type="spotlight",this.position.copy(rg.default_up),this.updatematrix(),this.target=new rg,this.distance=r,this.angle=i,this.penumbra=a,this.decay=s,this.map=null,this.shadow=new ux}get power(){return this.intensity*math.pi}set power(e){this.intensity=e/math.pi}dispose(){this.shadow.dispose()}copy(e,n){return super.copy(e,n),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}let uy=new rm,uq=new ny,uq=new ny;class uz extends uj{constructor(){super(new io(90,1,.5,500)),this.ispointlightshadow=!0,this._frameextents=new ny(4,2),this._viewportcount=6,this._viewports=[new nu(2,1,1,1),new nu(0,1,1,1),new nu(3,1,1,1),new nu(1,1,1,1),new nu(3,0,1,1),new nu(1,0,1,1)],this._cubedirections=[new ny(1,0,0),new ny(-1,0,0),new ny(0,0,1),new ny(0,0,-1),new ny(0,1,0),new ny(0,-1,0)],this._cubeups=[new ny(0,1,0),new ny(0,1,0),new ny(0,1,0),new ny(0,1,0),new ny(0,0,1),new ny(0,0,-1)]}updatematrices(e,n=0){let r=this.camera,i=this.matrix,a=e.distance||r.far;a!==r.far&&(r.far=a,r.updateprojectionmatrix()),uq.setfrommatrixposition(e.matrixworld),r.position.copy(uq),uq.copy(r.position),uq.add(this._cubedirections[n]),r.up.copy(this._cubeups[n]),r.lookat(uq),r.updatematrixworld(),i.maketranslation(-uq.x,-uq.y,-uq.z),uy.multiplymatrices(r.projectionmatrix,r.matrixworldinverse),this._frustum.setfromprojectionmatrix(uy)}}class u$ extends uu{constructor(e,n,r=0,i=2){super(e,n),this.ispointlight=!0,this.type="pointlight",this.distance=r,this.decay=i,this.shadow=new uz}get power(){return 4*this.intensity*math.pi}set power(e){this.intensity=e/(4*math.pi)}dispose(){this.shadow.dispose()}copy(e,n){return super.copy(e,n),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}class u0 extends uj{constructor(){super(new i5(-5,5,5,-5,.5,500)),this.isdirectionallightshadow=!0}}class u1 extends uu{constructor(e,n){super(e,n),this.isdirectionallight=!0,this.type="directionallight",this.position.copy(rg.default_up),this.updatematrix(),this.target=new rg,this.shadow=new u0}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}class u2 extends uu{constructor(e,n){super(e,n),this.isambientlight=!0,this.type="ambientlight"}}class u3 extends uu{constructor(e,n,r=10,i=10){super(e,n),this.isrectarealight=!0,this.type="rectarealight",this.width=r,this.height=i}get power(){return this.intensity*this.width*this.height*math.pi}set power(e){this.intensity=e/(this.width*this.height*math.pi)}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}tojson(e){let n=super.tojson(e);return n.object.width=this.width,n.object.height=this.height,n}}class u4{constructor(){this.issphericalharmonics3=!0,this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new ny)}set(e){for(let n=0;n<9;n++)this.coefficients[n].copy(e[n]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getat(e,n){let r=e.x,i=e.y,a=e.z,s=this.coefficients;return n.copy(s[0]).multiplyscalar(.282095),n.addscaledvector(s[1],.488603*i),n.addscaledvector(s[2],.488603*a),n.addscaledvector(s[3],.488603*r),n.addscaledvector(s[4],1.092548*(r*i)),n.addscaledvector(s[5],1.092548*(i*a)),n.addscaledvector(s[6],.315392*(3*a*a-1)),n.addscaledvector(s[7],1.092548*(r*a)),n.addscaledvector(s[8],.546274*(r*r-i*i)),n}getirradianceat(e,n){let r=e.x,i=e.y,a=e.z,s=this.coefficients;return n.copy(s[0]).multiplyscalar(.886227),n.addscaledvector(s[1],1.023328*i),n.addscaledvector(s[2],1.023328*a),n.addscaledvector(s[3],1.023328*r),n.addscaledvector(s[4],.858086*r*i),n.addscaledvector(s[5],.858086*i*a),n.addscaledvector(s[6],.743125*a*a-.247708),n.addscaledvector(s[7],.858086*r*a),n.addscaledvector(s[8],.429043*(r*r-i*i)),n}add(e){for(let n=0;n<9;n++)this.coefficients[n].add(e.coefficients[n]);return this}addscaledsh(e,n){for(let r=0;r<9;r++)this.coefficients[r].addscaledvector(e.coefficients[r],n);return this}scale(e){for(let n=0;n<9;n++)this.coefficients[n].multiplyscalar(e);return this}lerp(e,n){for(let r=0;r<9;r++)this.coefficients[r].lerp(e.coefficients[r],n);return this}equals(e){for(let n=0;n<9;n++)if(!this.coefficients[n].equals(e.coefficients[n]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return new this.constructor().copy(this)}fromarray(e,n=0){let r=this.coefficients;for(let i=0;i<9;i++)r[i].fromarray(e,n+3*i);return this}toarray(e=[],n=0){let r=this.coefficients;for(let i=0;i<9;i++)r[i].toarray(e,n+3*i);return e}static getbasisat(e,n){let r=e.x,i=e.y,a=e.z;n[0]=.282095,n[1]=.488603*i,n[2]=.488603*a,n[3]=.488603*r,n[4]=1.092548*r*i,n[5]=1.092548*i*a,n[6]=.315392*(3*a*a-1),n[7]=1.092548*r*a,n[8]=.546274*(r*r-i*i)}}class u6 extends uu{constructor(e=new u4,n=1){super(void 0,n),this.islightprobe=!0,this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}fromjson(e){return this.intensity=e.intensity,this.sh.fromarray(e.sh),this}tojson(e){let n=super.tojson(e);return n.object.sh=this.sh.toarray(),n}}class u5 extends ur{constructor(e){super(e),this.textures={}}load(e,n,r,i){let a=this,s=new ud(a.manager);s.setpath(a.path),s.setrequestheader(a.requestheader),s.setwithcredentials(a.withcredentials),s.load(e,function(r){try{n(a.parse(json.parse(r)))}catch(n){i?i(n):console.error(n),a.manager.itemerror(e)}},r,i)}parse(e){let n=this.textures;function r(e){return void 0===n[e]&&console.warn("three.materialloader: undefined texture",e),n[e]}let i=u5.creatematerialfromtype(e.type);if(void 0!==e.uuid&&(i.uuid=e.uuid),void 0!==e.name&&(i.name=e.name),void 0!==e.color&&void 0!==i.color&&i.color.sethex(e.color),void 0!==e.roughness&&(i.roughness=e.roughness),void 0!==e.metalness&&(i.metalness=e.metalness),void 0!==e.sheen&&(i.sheen=e.sheen),void 0!==e.sheencolor&&(i.sheencolor=new nf().sethex(e.sheencolor)),void 0!==e.sheenroughness&&(i.sheenroughness=e.sheenroughness),void 0!==e.emissive&&void 0!==i.emissive&&i.emissive.sethex(e.emissive),void 0!==e.specular&&void 0!==i.specular&&i.specular.sethex(e.specular),void 0!==e.specularintensity&&(i.specularintensity=e.specularintensity),void 0!==e.specularcolor&&void 0!==i.specularcolor&&i.specularcolor.sethex(e.specularcolor),void 0!==e.shininess&&(i.shininess=e.shininess),void 0!==e.clearcoat&&(i.clearcoat=e.clearcoat),void 0!==e.clearcoatroughness&&(i.clearcoatroughness=e.clearcoatroughness),void 0!==e.iridescence&&(i.iridescence=e.iridescence),void 0!==e.iridescenceior&&(i.iridescenceior=e.iridescenceior),void 0!==e.iridescencethicknessrange&&(i.iridescencethicknessrange=e.iridescencethicknessrange),void 0!==e.transmission&&(i.transmission=e.transmission),void 0!==e.thickness&&(i.thickness=e.thickness),void 0!==e.attenuationdistance&&(i.attenuationdistance=e.attenuationdistance),void 0!==e.attenuationcolor&&void 0!==i.attenuationcolor&&i.attenuationcolor.sethex(e.attenuationcolor),void 0!==e.fog&&(i.fog=e.fog),void 0!==e.flatshading&&(i.flatshading=e.flatshading),void 0!==e.blending&&(i.blending=e.blending),void 0!==e.combine&&(i.combine=e.combine),void 0!==e.side&&(i.side=e.side),void 0!==e.shadowside&&(i.shadowside=e.shadowside),void 0!==e.opacity&&(i.opacity=e.opacity),void 0!==e.transparent&&(i.transparent=e.transparent),void 0!==e.alphatest&&(i.alphatest=e.alphatest),void 0!==e.depthtest&&(i.depthtest=e.depthtest),void 0!==e.depthwrite&&(i.depthwrite=e.depthwrite),void 0!==e.colorwrite&&(i.colorwrite=e.colorwrite),void 0!==e.stencilwrite&&(i.stencilwrite=e.stencilwrite),void 0!==e.stencilwritemask&&(i.stencilwritemask=e.stencilwritemask),void 0!==e.stencilfunc&&(i.stencilfunc=e.stencilfunc),void 0!==e.stencilref&&(i.stencilref=e.stencilref),void 0!==e.stencilfuncmask&&(i.stencilfuncmask=e.stencilfuncmask),void 0!==e.stencilfail&&(i.stencilfail=e.stencilfail),void 0!==e.stencilzfail&&(i.stencilzfail=e.stencilzfail),void 0!==e.stencilzpass&&(i.stencilzpass=e.stencilzpass),void 0!==e.wireframe&&(i.wireframe=e.wireframe),void 0!==e.wireframelinewidth&&(i.wireframelinewidth=e.wireframelinewidth),void 0!==e.wireframelinecap&&(i.wireframelinecap=e.wireframelinecap),void 0!==e.wireframelinejoin&&(i.wireframelinejoin=e.wireframelinejoin),void 0!==e.rotation&&(i.rotation=e.rotation),1!==e.linewidth&&(i.linewidth=e.linewidth),void 0!==e.dashsize&&(i.dashsize=e.dashsize),void 0!==e.gapsize&&(i.gapsize=e.gapsize),void 0!==e.scale&&(i.scale=e.scale),void 0!==e.polygonoffset&&(i.polygonoffset=e.polygonoffset),void 0!==e.polygonoffsetfactor&&(i.polygonoffsetfactor=e.polygonoffsetfactor),void 0!==e.polygonoffsetunits&&(i.polygonoffsetunits=e.polygonoffsetunits),void 0!==e.dithering&&(i.dithering=e.dithering),void 0!==e.alphatocoverage&&(i.alphatocoverage=e.alphatocoverage),void 0!==e.premultipliedalpha&&(i.premultipliedalpha=e.premultipliedalpha),void 0!==e.forcesinglepass&&(i.forcesinglepass=e.forcesinglepass),void 0!==e.visible&&(i.visible=e.visible),void 0!==e.tonemapped&&(i.tonemapped=e.tonemapped),void 0!==e.userdata&&(i.userdata=e.userdata),void 0!==e.vertexcolors&&("number"==typeof e.vertexcolors?i.vertexcolors=e.vertexcolors>0:i.vertexcolors=e.vertexcolors),void 0!==e.uniforms)for(let n in e.uniforms){let a=e.uniforms[n];switch(i.uniforms[n]={},a.type){case"t":i.uniforms[n].value=r(a.value);break;case"c":i.uniforms[n].value=new nf().sethex(a.value);break;case"v2":i.uniforms[n].value=new ny().fromarray(a.value);break;case"v3":i.uniforms[n].value=new ny().fromarray(a.value);break;case"v4":i.uniforms[n].value=new nu().fromarray(a.value);break;case"m3":i.uniforms[n].value=new nx().fromarray(a.value);break;case"m4":i.uniforms[n].value=new rm().fromarray(a.value);break;default:i.uniforms[n].value=a.value}}if(void 0!==e.defines&&(i.defines=e.defines),void 0!==e.vertexshader&&(i.vertexshader=e.vertexshader),void 0!==e.fragmentshader&&(i.fragmentshader=e.fragmentshader),void 0!==e.glslversion&&(i.glslversion=e.glslversion),void 0!==e.extensions)for(let n in e.extensions)i.extensions[n]=e.extensions[n];if(void 0!==e.size&&(i.size=e.size),void 0!==e.sizeattenuation&&(i.sizeattenuation=e.sizeattenuation),void 0!==e.map&&(i.map=r(e.map)),void 0!==e.matcap&&(i.matcap=r(e.matcap)),void 0!==e.alphamap&&(i.alphamap=r(e.alphamap)),void 0!==e.bumpmap&&(i.bumpmap=r(e.bumpmap)),void 0!==e.bumpscale&&(i.bumpscale=e.bumpscale),void 0!==e.normalmap&&(i.normalmap=r(e.normalmap)),void 0!==e.normalmaptype&&(i.normalmaptype=e.normalmaptype),void 0!==e.normalscale){let n=e.normalscale;!1===array.isarray(n)&&(n=[n,n]),i.normalscale=new ny().fromarray(n)}return void 0!==e.displacementmap&&(i.displacementmap=r(e.displacementmap)),void 0!==e.displacementscale&&(i.displacementscale=e.displacementscale),void 0!==e.displacementbias&&(i.displacementbias=e.displacementbias),void 0!==e.roughnessmap&&(i.roughnessmap=r(e.roughnessmap)),void 0!==e.metalnessmap&&(i.metalnessmap=r(e.metalnessmap)),void 0!==e.emissivemap&&(i.emissivemap=r(e.emissivemap)),void 0!==e.emissiveintensity&&(i.emissiveintensity=e.emissiveintensity),void 0!==e.specularmap&&(i.specularmap=r(e.specularmap)),void 0!==e.specularintensitymap&&(i.specularintensitymap=r(e.specularintensitymap)),void 0!==e.specularcolormap&&(i.specularcolormap=r(e.specularcolormap)),void 0!==e.envmap&&(i.envmap=r(e.envmap)),void 0!==e.envmapintensity&&(i.envmapintensity=e.envmapintensity),void 0!==e.reflectivity&&(i.reflectivity=e.reflectivity),void 0!==e.refractionratio&&(i.refractionratio=e.refractionratio),void 0!==e.lightmap&&(i.lightmap=r(e.lightmap)),void 0!==e.lightmapintensity&&(i.lightmapintensity=e.lightmapintensity),void 0!==e.aomap&&(i.aomap=r(e.aomap)),void 0!==e.aomapintensity&&(i.aomapintensity=e.aomapintensity),void 0!==e.gradientmap&&(i.gradientmap=r(e.gradientmap)),void 0!==e.clearcoatmap&&(i.clearcoatmap=r(e.clearcoatmap)),void 0!==e.clearcoatroughnessmap&&(i.clearcoatroughnessmap=r(e.clearcoatroughnessmap)),void 0!==e.clearcoatnormalmap&&(i.clearcoatnormalmap=r(e.clearcoatnormalmap)),void 0!==e.clearcoatnormalscale&&(i.clearcoatnormalscale=new ny().fromarray(e.clearcoatnormalscale)),void 0!==e.iridescencemap&&(i.iridescencemap=r(e.iridescencemap)),void 0!==e.iridescencethicknessmap&&(i.iridescencethicknessmap=r(e.iridescencethicknessmap)),void 0!==e.transmissionmap&&(i.transmissionmap=r(e.transmissionmap)),void 0!==e.thicknessmap&&(i.thicknessmap=r(e.thicknessmap)),void 0!==e.sheencolormap&&(i.sheencolormap=r(e.sheencolormap)),void 0!==e.sheenroughnessmap&&(i.sheenroughnessmap=r(e.sheenroughnessmap)),i}settextures(e){return this.textures=e,this}static creatematerialfromtype(e){return new({shadowmaterial:l8,spritematerial:s7,rawshadermaterial:l7,shadermaterial:id,pointsmaterial:oj,meshphysicalmaterial:ut,meshstandardmaterial:ue,meshphongmaterial:un,meshtoonmaterial:ur,meshnormalmaterial:ui,meshlambertmaterial:ua,meshdepthmaterial:su,meshdistancematerial:sz,meshbasicmaterial:r0,meshmatcapmaterial:us,linedashedmaterial:uo,linebasicmaterial:of,material:r$})[e]}}class u9{static decodetext(e){if("undefined"!=typeof textdecoder)return new textdecoder().decode(e);let n="";for(let r=0,i=e.length;r<i;r++)n+=string.fromcharcode(e[r]);try{return decodeuricomponent(escape(n))}catch(e){return n}}static extracturlbase(e){let n=e.lastindexof("/");return -1===n?"./":e.slice(0,n+1)}static resolveurl(e,n){return"string"!=typeof e||""===e?"":(/^https?:\/\//i.test(n)&&/^\//.test(e)&&(n=n.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(e)||/^data:.*,.*$/i.test(e)||/^blob:.*$/i.test(e))?e:n+e}}class u8 extends id{constructor(){super(),this.isinstancedbuffergeometry=!0,this.type="instancedbuffergeometry",this.instancecount=1/0}copy(e){return super.copy(e),this.instancecount=e.instancecount,this}tojson(){let e=super.tojson();return e.instancecount=this.instancecount,e.isinstancedbuffergeometry=!0,e}}class u7 extends ur{constructor(e){super(e)}load(e,n,r,i){let a=this,s=new ud(a.manager);s.setpath(a.path),s.setrequestheader(a.requestheader),s.setwithcredentials(a.withcredentials),s.load(e,function(r){try{n(a.parse(json.parse(r)))}catch(n){i?i(n):console.error(n),a.manager.itemerror(e)}},r,i)}parse(e){let n={},r={};function i(e,i){if(void 0!==n[i])return n[i];let a=e.interleavedbuffers,s=a[i],o=function(e,n){if(void 0!==r[n])return r[n];let i=e.arraybuffers,a=i[n],s=new uint32array(a).buffer;return r[n]=s,s}(e,s.buffer),l=nm(s.type,o),u=new s5(l,s.stride);return u.uuid=s.uuid,n[i]=u,u}let a=e.isinstancedbuffergeometry?new u8:new id,s=e.data.index;if(void 0!==s){let e=nm(s.type,s.array);a.setindex(new r3(e,1))}let o=e.data.attributes;for(let n in o){let r;let s=o[n];if(s.isinterleavedbufferattribute){let n=i(e.data,s.data);r=new s8(n,s.itemsize,s.offset,s.normalized)}else{let e=nm(s.type,s.array),n=s.isinstancedbufferattribute?ot:r3;r=new n(e,s.itemsize,s.normalized)}void 0!==s.name&&(r.name=s.name),void 0!==s.usage&&r.setusage(s.usage),void 0!==s.updaterange&&(r.updaterange.offset=s.updaterange.offset,r.updaterange.count=s.updaterange.count),a.setattribute(n,r)}let l=e.data.morphattributes;if(l)for(let n in l){let r=l[n],s=[];for(let n=0,a=r.length;n<a;n++){let a;let o=r[n];if(o.isinterleavedbufferattribute){let n=i(e.data,o.data);a=new s8(n,o.itemsize,o.offset,o.normalized)}else{let e=nm(o.type,o.array);a=new r3(e,o.itemsize,o.normalized)}void 0!==o.name&&(a.name=o.name),s.push(a)}a.morphattributes[n]=s}let u=e.data.morphtargetsrelative;u&&(a.morphtargetsrelative=!0);let c=e.data.groups||e.data.drawcalls||e.data.offsets;if(void 0!==c)for(let e=0,n=c.length;e!==n;++e){let n=c[e];a.addgroup(n.start,n.count,n.materialindex)}let h=e.data.boundingsphere;if(void 0!==h){let e=new ny;void 0!==h.center&&e.fromarray(h.center),a.boundingsphere=new rs(e,h.radius)}return e.name&&(a.name=e.name),e.userdata&&(a.userdata=e.userdata),a}}class ce extends ur{constructor(e){super(e)}load(e,n,r,i){let a=this,s=""===this.path?u9.extracturlbase(e):this.path;this.resourcepath=this.resourcepath||s;let o=new ud(this.manager);o.setpath(this.path),o.setrequestheader(this.requestheader),o.setwithcredentials(this.withcredentials),o.load(e,function(r){let s=null;try{s=json.parse(r)}catch(n){void 0!==i&&i(n),console.error("three:objectloader: can't parse "+e+".",n.message);return}let o=s.metadata;if(void 0===o||void 0===o.type||"geometry"===o.type.tolowercase()){void 0!==i&&i(error("three.objectloader: can't load "+e)),console.error("three.objectloader: can't load "+e);return}a.parse(s,n)},r,i)}async loadasync(e,n){let r=""===this.path?u9.extracturlbase(e):this.path;this.resourcepath=this.resourcepath||r;let i=new ud(this.manager);i.setpath(this.path),i.setrequestheader(this.requestheader),i.setwithcredentials(this.withcredentials);let a=await i.loadasync(e,n),s=json.parse(a),o=s.metadata;if(void 0===o||void 0===o.type||"geometry"===o.type.tolowercase())throw error("three.objectloader: can't load "+e);return await this.parseasync(s)}parse(e,n){let r=this.parseanimations(e.animations),i=this.parseshapes(e.shapes),a=this.parsegeometries(e.geometries,i),s=this.parseimages(e.images,function(){void 0!==n&&n(u)}),o=this.parsetextures(e.textures,s),l=this.parsematerials(e.materials,o),u=this.parseobject(e.object,a,l,o,r),c=this.parseskeletons(e.skeletons,u);if(this.bindskeletons(u,c),void 0!==n){let e=!1;for(let n in s)if(s[n].data instanceof htmlimageelement){e=!0;break}!1===e&&n(u)}return u}async parseasync(e){let n=this.parseanimations(e.animations),r=this.parseshapes(e.shapes),i=this.parsegeometries(e.geometries,r),a=await this.parseimagesasync(e.images),s=this.parsetextures(e.textures,a),o=this.parsematerials(e.materials,s),l=this.parseobject(e.object,i,o,s,n),u=this.parseskeletons(e.skeletons,l);return this.bindskeletons(l,u),l}parseshapes(e){let n={};if(void 0!==e)for(let r=0,i=e.length;r<i;r++){let i=new lt().fromjson(e[r]);n[i.uuid]=i}return n}parseskeletons(e,n){let r={},i={};if(n.traverse(function(e){e.isbone&&(i[e.uuid]=e)}),void 0!==e)for(let n=0,a=e.length;n<a;n++){let a=new oe().fromjson(e[n],i);r[a.uuid]=a}return r}parsegeometries(e,n){let r={};if(void 0!==e){let i=new u7;for(let a=0,s=e.length;a<s;a++){let s;let o=e[a];switch(o.type){case"buffergeometry":case"instancedbuffergeometry":s=i.parse(o);break;default:o.type in l9?s=l9[o.type].fromjson(o,n):console.warn(`three.objectloader: unsupported geometry type "${o.type}"`)}s.uuid=o.uuid,void 0!==o.name&&(s.name=o.name),!0===s.isbuffergeometry&&void 0!==o.userdata&&(s.userdata=o.userdata),r[o.uuid]=s}}return r}parsematerials(e,n){let r={},i={};if(void 0!==e){let a=new u5;a.settextures(n);for(let n=0,s=e.length;n<s;n++){let s=e[n];void 0===r[s.uuid]&&(r[s.uuid]=a.parse(s)),i[s.uuid]=r[s.uuid]}}return i}parseanimations(e){let n={};if(void 0!==e)for(let r=0;r<e.length;r++){let i=e[r],a=ue.parse(i);n[a.uuid]=a}return n}parseimages(e,n){let r;let i=this,a={};function s(e){if("string"==typeof e){let n=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcepath+e;return i.manager.itemstart(n),r.load(n,function(){i.manager.itemend(n)},void 0,function(){i.manager.itemerror(n),i.manager.itemend(n)})}return e.data?{data:nm(e.type,e.data),width:e.width,height:e.height}:null}if(void 0!==e&&e.length>0){let i=new ub(n);(r=new un(i)).setcrossorigin(this.crossorigin);for(let n=0,r=e.length;n<r;n++){let r=e[n],i=r.url;if(array.isarray(i)){let e=[];for(let n=0,r=i.length;n<r;n++){let r=i[n],a=s(r);null!==a&&(a instanceof htmlimageelement?e.push(a):e.push(new os(a.data,a.width,a.height)))}a[r.uuid]=new nn(e)}else{let e=s(r.url);a[r.uuid]=new nn(e)}}}return a}async parseimagesasync(e){let n;let r=this,i={};async function a(e){if("string"==typeof e){let i=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:r.resourcepath+e;return await n.loadasync(i)}return e.data?{data:nm(e.type,e.data),width:e.width,height:e.height}:null}if(void 0!==e&&e.length>0){(n=new un(this.manager)).setcrossorigin(this.crossorigin);for(let n=0,r=e.length;n<r;n++){let r=e[n],s=r.url;if(array.isarray(s)){let e=[];for(let n=0,r=s.length;n<r;n++){let r=s[n],i=await a(r);null!==i&&(i instanceof htmlimageelement?e.push(i):e.push(new os(i.data,i.width,i.height)))}i[r.uuid]=new nn(e)}else{let e=await a(r.url);i[r.uuid]=new nn(e)}}}return i}parsetextures(e,n){function r(e,n){return"number"==typeof e?e:(console.warn("three.objectloader.parsetexture: constant should be in numeric form.",e),n[e])}let i={};if(void 0!==e)for(let a=0,s=e.length;a<s;a++){let s;let o=e[a];void 0===o.image&&console.warn('three.objectloader: no "image" specified for',o.uuid),void 0===n[o.image]&&console.warn("three.objectloader: undefined image",o.image);let l=n[o.image],u=l.data;array.isarray(u)?(s=new ik,6===u.length&&(s.needsupdate=!0)):(s=u&&u.data?new os:new ng,u&&(s.needsupdate=!0)),s.source=l,s.uuid=o.uuid,void 0!==o.name&&(s.name=o.name),void 0!==o.mapping&&(s.mapping=r(o.mapping,ct)),void 0!==o.offset&&s.offset.fromarray(o.offset),void 0!==o.repeat&&s.repeat.fromarray(o.repeat),void 0!==o.center&&s.center.fromarray(o.center),void 0!==o.rotation&&(s.rotation=o.rotation),void 0!==o.wrap&&(s.wraps=r(o.wrap[0],cn),s.wrapt=r(o.wrap[1],cn)),void 0!==o.format&&(s.format=o.format),void 0!==o.type&&(s.type=o.type),void 0!==o.encoding&&(s.encoding=o.encoding),void 0!==o.minfilter&&(s.minfilter=r(o.minfilter,cr)),void 0!==o.magfilter&&(s.magfilter=r(o.magfilter,cr)),void 0!==o.anisotropy&&(s.anisotropy=o.anisotropy),void 0!==o.flipy&&(s.flipy=o.flipy),void 0!==o.generatemipmaps&&(s.generatemipmaps=o.generatemipmaps),void 0!==o.premultiplyalpha&&(s.premultiplyalpha=o.premultiplyalpha),void 0!==o.unpackalignment&&(s.unpackalignment=o.unpackalignment),void 0!==o.userdata&&(s.userdata=o.userdata),i[o.uuid]=s}return i}parseobject(e,n,r,i,a){let s,o,l;function u(e){return void 0===n[e]&&console.warn("three.objectloader: undefined geometry",e),n[e]}function c(e){if(void 0!==e){if(array.isarray(e)){let n=[];for(let i=0,a=e.length;i<a;i++){let a=e[i];void 0===r[a]&&console.warn("three.objectloader: undefined material",a),n.push(r[a])}return n}return void 0===r[e]&&console.warn("three.objectloader: undefined material",e),r[e]}}function h(e){return void 0===i[e]&&console.warn("three.objectloader: undefined texture",e),i[e]}switch(e.type){case"scene":s=new s6,void 0!==e.background&&(number.isinteger(e.background)?s.background=new nf(e.background):s.background=h(e.background)),void 0!==e.environment&&(s.environment=h(e.environment)),void 0!==e.fog&&("fog"===e.fog.type?s.fog=new s4(e.fog.color,e.fog.near,e.fog.far):"fogexp2"===e.fog.type&&(s.fog=new s3(e.fog.color,e.fog.density))),void 0!==e.backgroundblurriness&&(s.backgroundblurriness=e.backgroundblurriness),void 0!==e.backgroundintensity&&(s.backgroundintensity=e.backgroundintensity);break;case"perspectivecamera":s=new io(e.fov,e.aspect,e.near,e.far),void 0!==e.focus&&(s.focus=e.focus),void 0!==e.zoom&&(s.zoom=e.zoom),void 0!==e.filmgauge&&(s.filmgauge=e.filmgauge),void 0!==e.filmoffset&&(s.filmoffset=e.filmoffset),void 0!==e.view&&(s.view=object.assign({},e.view));break;case"orthographiccamera":s=new i5(e.left,e.right,e.top,e.bottom,e.near,e.far),void 0!==e.zoom&&(s.zoom=e.zoom),void 0!==e.view&&(s.view=object.assign({},e.view));break;case"ambientlight":s=new u2(e.color,e.intensity);break;case"directionallight":s=new u1(e.color,e.intensity);break;case"pointlight":s=new u$(e.color,e.intensity,e.distance,e.decay);break;case"rectarealight":s=new u3(e.color,e.intensity,e.width,e.height);break;case"spotlight":s=new uk(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay);break;case"hemispherelight":s=new uz(e.color,e.groundcolor,e.intensity);break;case"lightprobe":s=new u6().fromjson(e);break;case"skinnedmesh":o=u(e.geometry),l=c(e.material),s=new ob(o,l),void 0!==e.bindmode&&(s.bindmode=e.bindmode),void 0!==e.bindmatrix&&s.bindmatrix.fromarray(e.bindmatrix),void 0!==e.skeleton&&(s.skeleton=e.skeleton);break;case"mesh":o=u(e.geometry),l=c(e.material),s=new ie(o,l);break;case"instancedmesh":o=u(e.geometry),l=c(e.material);let d=e.count,p=e.instancematrix,f=e.instancecolor;(s=new od(o,l,d)).instancematrix=new ot(new float32array(p.array),16),void 0!==f&&(s.instancecolor=new ot(new float32array(f.array),f.itemsize));break;case"lod":s=new og;break;case"line":s=new ou(u(e.geometry),c(e.material));break;case"lineloop":s=new ow(u(e.geometry),c(e.material));break;case"linesegments":s=new oj(u(e.geometry),c(e.material));break;case"pointcloud":case"points":s=new oq(u(e.geometry),c(e.material));break;case"sprite":s=new od(c(e.material));break;case"group":s=new sk;break;case"bone":s=new om;break;default:s=new rg}if(s.uuid=e.uuid,void 0!==e.name&&(s.name=e.name),void 0!==e.matrix?(s.matrix.fromarray(e.matrix),void 0!==e.matrixautoupdate&&(s.matrixautoupdate=e.matrixautoupdate),s.matrixautoupdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==e.position&&s.position.fromarray(e.position),void 0!==e.rotation&&s.rotation.fromarray(e.rotation),void 0!==e.quaternion&&s.quaternion.fromarray(e.quaternion),void 0!==e.scale&&s.scale.fromarray(e.scale)),void 0!==e.castshadow&&(s.castshadow=e.castshadow),void 0!==e.receiveshadow&&(s.receiveshadow=e.receiveshadow),e.shadow&&(void 0!==e.shadow.bias&&(s.shadow.bias=e.shadow.bias),void 0!==e.shadow.normalbias&&(s.shadow.normalbias=e.shadow.normalbias),void 0!==e.shadow.radius&&(s.shadow.radius=e.shadow.radius),void 0!==e.shadow.mapsize&&s.shadow.mapsize.fromarray(e.shadow.mapsize),void 0!==e.shadow.camera&&(s.shadow.camera=this.parseobject(e.shadow.camera))),void 0!==e.visible&&(s.visible=e.visible),void 0!==e.frustumculled&&(s.frustumculled=e.frustumculled),void 0!==e.renderorder&&(s.renderorder=e.renderorder),void 0!==e.userdata&&(s.userdata=e.userdata),void 0!==e.layers&&(s.layers.mask=e.layers),void 0!==e.children){let o=e.children;for(let e=0;e<o.length;e++)s.add(this.parseobject(o[e],n,r,i,a))}if(void 0!==e.animations){let n=e.animations;for(let e=0;e<n.length;e++){let r=n[e];s.animations.push(a[r])}}if("lod"===e.type){void 0!==e.autoupdate&&(s.autoupdate=e.autoupdate);let n=e.levels;for(let e=0;e<n.length;e++){let r=n[e],i=s.getobjectbyproperty("uuid",r.object);void 0!==i&&s.addlevel(i,r.distance,r.hysteresis)}}return s}bindskeletons(e,n){0!==object.keys(n).length&&e.traverse(function(e){if(!0===e.isskinnedmesh&&void 0!==e.skeleton){let r=n[e.skeleton];void 0===r?console.warn("three.objectloader: no skeleton found with uuid:",e.skeleton):e.bind(r,e.bindmatrix)}})}}let ct={uvmapping:eu,cubereflectionmapping:ec,cuberefractionmapping:eh,equirectangularreflectionmapping:ed,equirectangularrefractionmapping:ep,cubeuvreflectionmapping:ef},cn={repeatwrapping:em,clamptoedgewrapping:eg,mirroredrepeatwrapping:ev},cr={nearestfilter:ey,nearestmipmapnearestfilter:ex,nearestmipmaplinearfilter:ea,linearfilter:em,linearmipmapnearestfilter:es,linearmipmaplinearfilter:ec};class ci extends ur{constructor(e){super(e),this.isimagebitmaploader=!0,"undefined"==typeof createimagebitmap&&console.warn("three.imagebitmaploader: createimagebitmap() not supported."),"undefined"==typeof fetch&&console.warn("three.imagebitmaploader: fetch() not supported."),this.options={premultiplyalpha:"none"}}setoptions(e){return this.options=e,this}load(e,n,r,i){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveurl(e);let a=this,s=ut.get(e);if(void 0!==s)return a.manager.itemstart(e),settimeout(function(){n&&n(s),a.manager.itemend(e)},0),s;let o={};o.credentials="anonymous"===this.crossorigin?"same-origin":"include",o.headers=this.requestheader,fetch(e,o).then(function(e){return e.blob()}).then(function(e){return createimagebitmap(e,object.assign(a.options,{colorspaceconversion:"none"}))}).then(function(r){ut.add(e,r),n&&n(r),a.manager.itemend(e)}).catch(function(n){i&&i(n),a.manager.itemerror(e),a.manager.itemend(e)}),a.manager.itemstart(e)}}class ca{static getcontext(){return void 0===s&&(s=new(window.audiocontext||window.webkitaudiocontext)),s}static setcontext(e){s=e}}class cs extends ur{constructor(e){super(e)}load(e,n,r,i){let a=this,s=new ud(this.manager);s.setresponsetype("arraybuffer"),s.setpath(this.path),s.setrequestheader(this.requestheader),s.setwithcredentials(this.withcredentials),s.load(e,function(r){try{let e=r.slice(0),i=ca.getcontext();i.decodeaudiodata(e,function(e){n(e)})}catch(n){i?i(n):console.error(n),a.manager.itemerror(e)}},r,i)}}class co extends u6{constructor(e,n,r=1){super(void 0,r),this.ishemispherelightprobe=!0;let i=new nf().set(e),a=new nf().set(n),s=new ny(i.r,i.g,i.b),o=new ny(a.r,a.g,a.b),l=math.sqrt(math.pi);this.sh.coefficients[0].copy(s).add(o).multiplyscalar(l),this.sh.coefficients[1].copy(s).sub(o).multiplyscalar(l*math.sqrt(.75))}}class cl extends u6{constructor(e,n=1){super(void 0,n),this.isambientlightprobe=!0;let r=new nf().set(e);this.sh.coefficients[0].set(r.r,r.g,r.b).multiplyscalar(2*math.sqrt(math.pi))}}let cu=new rm,cc=new rm,ch=new rm;class cd{constructor(){this.type="stereocamera",this.aspect=1,this.eyesep=.064,this.cameral=new io,this.cameral.layers.enable(1),this.cameral.matrixautoupdate=!1,this.camerar=new io,this.camerar.layers.enable(2),this.camerar.matrixautoupdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyesep:null}}update(e){let n=this._cache,r=n.focus!==e.focus||n.fov!==e.fov||n.aspect!==e.aspect*this.aspect||n.near!==e.near||n.far!==e.far||n.zoom!==e.zoom||n.eyesep!==this.eyesep;if(r){let r,i;n.focus=e.focus,n.fov=e.fov,n.aspect=e.aspect*this.aspect,n.near=e.near,n.far=e.far,n.zoom=e.zoom,n.eyesep=this.eyesep,ch.copy(e.projectionmatrix);let a=n.eyesep/2,s=a*n.near/n.focus,o=n.near*math.tan(ns*n.fov*.5)/n.zoom;cc.elements[12]=-a,cu.elements[12]=a,r=-o*n.aspect+s,i=o*n.aspect+s,ch.elements[0]=2*n.near/(i-r),ch.elements[8]=(i+r)/(i-r),this.cameral.projectionmatrix.copy(ch),r=-o*n.aspect-s,i=o*n.aspect-s,ch.elements[0]=2*n.near/(i-r),ch.elements[8]=(i+r)/(i-r),this.camerar.projectionmatrix.copy(ch)}this.cameral.matrixworld.copy(e.matrixworld).multiply(cc),this.camerar.matrixworld.copy(e.matrixworld).multiply(cu)}}class cp{constructor(e=!0){this.autostart=e,this.starttime=0,this.oldtime=0,this.elapsedtime=0,this.running=!1}start(){this.starttime=cf(),this.oldtime=this.starttime,this.elapsedtime=0,this.running=!0}stop(){this.getelapsedtime(),this.running=!1,this.autostart=!1}getelapsedtime(){return this.getdelta(),this.elapsedtime}getdelta(){let e=0;if(this.autostart&&!this.running)return this.start(),0;if(this.running){let n=cf();e=(n-this.oldtime)/1e3,this.oldtime=n,this.elapsedtime+=e}return e}}function cf(){return("undefined"==typeof performance?date:performance).now()}let cm=new ny,cg=new nk,cv=new ny,cy=new ny;class cx extends rg{constructor(){super(),this.type="audiolistener",this.context=ca.getcontext(),this.gain=this.context.creategain(),this.gain.connect(this.context.destination),this.filter=null,this.timedelta=0,this._clock=new cp}getinput(){return this.gain}removefilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getfilter(){return this.filter}setfilter(e){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getmastervolume(){return this.gain.gain.value}setmastervolume(e){return this.gain.gain.settargetattime(e,this.context.currenttime,.01),this}updatematrixworld(e){super.updatematrixworld(e);let n=this.context.listener,r=this.up;if(this.timedelta=this._clock.getdelta(),this.matrixworld.decompose(cm,cg,cv),cy.set(0,0,-1).applyquaternion(cg),n.positionx){let e=this.context.currenttime+this.timedelta;n.positionx.linearramptovalueattime(cm.x,e),n.positiony.linearramptovalueattime(cm.y,e),n.positionz.linearramptovalueattime(cm.z,e),n.forwardx.linearramptovalueattime(cy.x,e),n.forwardy.linearramptovalueattime(cy.y,e),n.forwardz.linearramptovalueattime(cy.z,e),n.upx.linearramptovalueattime(r.x,e),n.upy.linearramptovalueattime(r.y,e),n.upz.linearramptovalueattime(r.z,e)}else n.setposition(cm.x,cm.y,cm.z),n.setorientation(cy.x,cy.y,cy.z,r.x,r.y,r.z)}}class c_ extends rg{constructor(e){super(),this.type="audio",this.listener=e,this.context=e.context,this.gain=this.context.creategain(),this.gain.connect(e.getinput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopstart=0,this.loopend=0,this.offset=0,this.duration=void 0,this.playbackrate=1,this.isplaying=!1,this.hasplaybackcontrol=!0,this.source=null,this.sourcetype="empty",this._startedat=0,this._progress=0,this._connected=!1,this.filters=[]}getoutput(){return this.gain}setnodesource(e){return this.hasplaybackcontrol=!1,this.sourcetype="audionode",this.source=e,this.connect(),this}setmediaelementsource(e){return this.hasplaybackcontrol=!1,this.sourcetype="medianode",this.source=this.context.createmediaelementsource(e),this.connect(),this}setmediastreamsource(e){return this.hasplaybackcontrol=!1,this.sourcetype="mediastreamnode",this.source=this.context.createmediastreamsource(e),this.connect(),this}setbuffer(e){return this.buffer=e,this.sourcetype="buffer",this.autoplay&&this.play(),this}play(e=0){if(!0===this.isplaying){console.warn("three.audio: audio is already playing.");return}if(!1===this.hasplaybackcontrol){console.warn("three.audio: this audio has no playback control.");return}this._startedat=this.context.currenttime+e;let n=this.context.createbuffersource();return n.buffer=this.buffer,n.loop=this.loop,n.loopstart=this.loopstart,n.loopend=this.loopend,n.onended=this.onended.bind(this),n.start(this._startedat,this._progress+this.offset,this.duration),this.isplaying=!0,this.source=n,this.setdetune(this.detune),this.setplaybackrate(this.playbackrate),this.connect()}pause(){if(!1===this.hasplaybackcontrol){console.warn("three.audio: this audio has no playback control.");return}return!0===this.isplaying&&(this._progress+=math.max(this.context.currenttime-this._startedat,0)*this.playbackrate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isplaying=!1),this}stop(){if(!1===this.hasplaybackcontrol){console.warn("three.audio: this audio has no playback control.");return}return this._progress=0,this.source.stop(),this.source.onended=null,this.isplaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,n=this.filters.length;e<n;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getoutput())}else this.source.connect(this.getoutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,n=this.filters.length;e<n;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getoutput())}else this.source.disconnect(this.getoutput());return this._connected=!1,this}getfilters(){return this.filters}setfilters(e){return e||(e=[]),!0===this._connected?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setdetune(e){if(this.detune=e,void 0!==this.source.detune)return!0===this.isplaying&&this.source.detune.settargetattime(this.detune,this.context.currenttime,.01),this}getdetune(){return this.detune}getfilter(){return this.getfilters()[0]}setfilter(e){return this.setfilters(e?[e]:[])}setplaybackrate(e){if(!1===this.hasplaybackcontrol){console.warn("three.audio: this audio has no playback control.");return}return this.playbackrate=e,!0===this.isplaying&&this.source.playbackrate.settargetattime(this.playbackrate,this.context.currenttime,.01),this}getplaybackrate(){return this.playbackrate}onended(){this.isplaying=!1}getloop(){return!1===this.hasplaybackcontrol?(console.warn("three.audio: this audio has no playback control."),!1):this.loop}setloop(e){if(!1===this.hasplaybackcontrol){console.warn("three.audio: this audio has no playback control.");return}return this.loop=e,!0===this.isplaying&&(this.source.loop=this.loop),this}setloopstart(e){return this.loopstart=e,this}setloopend(e){return this.loopend=e,this}getvolume(){return this.gain.gain.value}setvolume(e){return this.gain.gain.settargetattime(e,this.context.currenttime,.01),this}}let ca=new ny,cb=new nk,cm=new ny,cs=new ny;class cw extends c_{constructor(e){super(e),this.panner=this.context.createpanner(),this.panner.panningmodel="hrtf",this.panner.connect(this.gain)}disconnect(){super.disconnect(),this.panner.disconnect(this.gain)}getoutput(){return this.panner}getrefdistance(){return this.panner.refdistance}setrefdistance(e){return this.panner.refdistance=e,this}getrollofffactor(){return this.panner.rollofffactor}setrollofffactor(e){return this.panner.rollofffactor=e,this}getdistancemodel(){return this.panner.distancemodel}setdistancemodel(e){return this.panner.distancemodel=e,this}getmaxdistance(){return this.panner.maxdistance}setmaxdistance(e){return this.panner.maxdistance=e,this}setdirectionalcone(e,n,r){return this.panner.coneinnerangle=e,this.panner.coneouterangle=n,this.panner.coneoutergain=r,this}updatematrixworld(e){if(super.updatematrixworld(e),!0===this.hasplaybackcontrol&&!1===this.isplaying)return;this.matrixworld.decompose(ca,cb,cm),cs.set(0,0,1).applyquaternion(cb);let n=this.panner;if(n.positionx){let e=this.context.currenttime+this.listener.timedelta;n.positionx.linearramptovalueattime(ca.x,e),n.positiony.linearramptovalueattime(ca.y,e),n.positionz.linearramptovalueattime(ca.z,e),n.orientationx.linearramptovalueattime(cs.x,e),n.orientationy.linearramptovalueattime(cs.y,e),n.orientationz.linearramptovalueattime(cs.z,e)}else n.setposition(ca.x,ca.y,ca.z),n.setorientation(cs.x,cs.y,cs.z)}}class cc{constructor(e,n=2048){this.analyser=e.context.createanalyser(),this.analyser.fftsize=n,this.data=new uint8array(this.analyser.frequencybincount),e.getoutput().connect(this.analyser)}getfrequencydata(){return this.analyser.getbytefrequencydata(this.data),this.data}getaveragefrequency(){let e=0,n=this.getfrequencydata();for(let r=0;r<n.length;r++)e+=n[r];return e/n.length}}class ce{constructor(e,n,r){let i,a,s;switch(this.binding=e,this.valuesize=r,n){case"quaternion":i=this._slerp,a=this._slerpadditive,s=this._setadditiveidentityquaternion,this.buffer=new float64array(6*r),this._workindex=5;break;case"string":case"bool":i=this._select,a=this._select,s=this._setadditiveidentityother,this.buffer=array(5*r);break;default:i=this._lerp,a=this._lerpadditive,s=this._setadditiveidentitynumeric,this.buffer=new float64array(5*r)}this._mixbufferregion=i,this._mixbufferregionadditive=a,this._setidentity=s,this._origindex=3,this._addindex=4,this.cumulativeweight=0,this.cumulativeweightadditive=0,this.usecount=0,this.referencecount=0}accumulate(e,n){let r=this.buffer,i=this.valuesize,a=e*i+i,s=this.cumulativeweight;if(0===s){for(let e=0;e!==i;++e)r[a+e]=r[e];s=n}else{s+=n;let e=n/s;this._mixbufferregion(r,a,0,e,i)}this.cumulativeweight=s}accumulateadditive(e){let n=this.buffer,r=this.valuesize,i=r*this._addindex;0===this.cumulativeweightadditive&&this._setidentity(),this._mixbufferregionadditive(n,i,0,e,r),this.cumulativeweightadditive+=e}apply(e){let n=this.valuesize,r=this.buffer,i=e*n+n,a=this.cumulativeweight,s=this.cumulativeweightadditive,o=this.binding;if(this.cumulativeweight=0,this.cumulativeweightadditive=0,a<1){let e=n*this._origindex;this._mixbufferregion(r,i,e,1-a,n)}s>0&&this._mixbufferregionadditive(r,i,this._addindex*n,1,n);for(let e=n,a=n+n;e!==a;++e)if(r[e]!==r[e+n]){o.setvalue(r,i);break}}saveoriginalstate(){let e=this.binding,n=this.buffer,r=this.valuesize,i=r*this._origindex;e.getvalue(n,i);for(let e=r;e!==i;++e)n[e]=n[i+e%r];this._setidentity(),this.cumulativeweight=0,this.cumulativeweightadditive=0}restoreoriginalstate(){let e=3*this.valuesize;this.binding.setvalue(this.buffer,e)}_setadditiveidentitynumeric(){let e=this._addindex*this.valuesize,n=e+this.valuesize;for(let r=e;r<n;r++)this.buffer[r]=0}_setadditiveidentityquaternion(){this._setadditiveidentitynumeric(),this.buffer[this._addindex*this.valuesize+3]=1}_setadditiveidentityother(){let e=this._origindex*this.valuesize,n=this._addindex*this.valuesize;for(let r=0;r<this.valuesize;r++)this.buffer[n+r]=this.buffer[e+r]}_select(e,n,r,i,a){if(i>=.5)for(let i=0;i!==a;++i)e[n+i]=e[r+i]}_slerp(e,n,r,i){nk.slerpflat(e,n,e,n,e,r,i)}_slerpadditive(e,n,r,i,a){let s=this._workindex*a;nk.multiplyquaternionsflat(e,s,e,n,e,r),nk.slerpflat(e,n,e,n,e,s,i)}_lerp(e,n,r,i,a){let s=1-i;for(let o=0;o!==a;++o){let a=n+o;e[a]=e[a]*s+e[r+o]*i}}_lerpadditive(e,n,r,i,a){for(let s=0;s!==a;++s){let a=n+s;e[a]=e[a]+e[r+s]*i}}}let ct="\\[\\]\\.:\\/",cb=regexp("["+ct+"]","g"),cp="[^"+ct+"]",cr="[^"+ct.replace("\\.","")+"]",cl=/((?:wc+[\/:])*)/.source.replace("wc",cp),ci=/(wcod+)?/.source.replace("wcod",cr),cd=/(?:\.(wc+)(?:\[(.+)\])?)?/.source.replace("wc",cp),cf=/\.(wc+)(?:\[(.+)\])?/.source.replace("wc",cp),co=regexp("^"+cl+ci+cd+cf+"$"),cn=["material","materials","bones","map"];class ck{constructor(e,n,r){this.path=n,this.parsedpath=r||ck.parsetrackname(n),this.node=ck.findnode(e,this.parsedpath.nodename)||e,this.rootnode=e,this.getvalue=this._getvalue_unbound,this.setvalue=this._setvalue_unbound}static create(e,n,r){return e&&e.isanimationobjectgroup?new ck.composite(e,n,r):new ck(e,n,r)}static sanitizenodename(e){return e.replace(/\s/g,"_").replace(cb,"")}static parsetrackname(e){let n=co.exec(e);if(null===n)throw error("propertybinding: cannot parse trackname: "+e);let r={nodename:n[2],objectname:n[3],objectindex:n[4],propertyname:n[5],propertyindex:n[6]},i=r.nodename&&r.nodename.lastindexof(".");if(void 0!==i&&-1!==i){let e=r.nodename.substring(i+1);-1!==cn.indexof(e)&&(r.nodename=r.nodename.substring(0,i),r.objectname=e)}if(null===r.propertyname||0===r.propertyname.length)throw error("propertybinding: can not parse propertyname from trackname: "+e);return r}static findnode(e,n){if(void 0===n||""===n||"."===n||-1===n||n===e.name||n===e.uuid)return e;if(e.skeleton){let r=e.skeleton.getbonebyname(n);if(void 0!==r)return r}if(e.children){let r=function(e){for(let i=0;i<e.length;i++){let a=e[i];if(a.name===n||a.uuid===n)return a;let s=r(a.children);if(s)return s}return null},i=r(e.children);if(i)return i}return null}_getvalue_unavailable(){}_setvalue_unavailable(){}_getvalue_direct(e,n){e[n]=this.targetobject[this.propertyname]}_getvalue_array(e,n){let r=this.resolvedproperty;for(let i=0,a=r.length;i!==a;++i)e[n++]=r[i]}_getvalue_arrayelement(e,n){e[n]=this.resolvedproperty[this.propertyindex]}_getvalue_toarray(e,n){this.resolvedproperty.toarray(e,n)}_setvalue_direct(e,n){this.targetobject[this.propertyname]=e[n]}_setvalue_direct_setneedsupdate(e,n){this.targetobject[this.propertyname]=e[n],this.targetobject.needsupdate=!0}_setvalue_direct_setmatrixworldneedsupdate(e,n){this.targetobject[this.propertyname]=e[n],this.targetobject.matrixworldneedsupdate=!0}_setvalue_array(e,n){let r=this.resolvedproperty;for(let i=0,a=r.length;i!==a;++i)r[i]=e[n++]}_setvalue_array_setneedsupdate(e,n){let r=this.resolvedproperty;for(let i=0,a=r.length;i!==a;++i)r[i]=e[n++];this.targetobject.needsupdate=!0}_setvalue_array_setmatrixworldneedsupdate(e,n){let r=this.resolvedproperty;for(let i=0,a=r.length;i!==a;++i)r[i]=e[n++];this.targetobject.matrixworldneedsupdate=!0}_setvalue_arrayelement(e,n){this.resolvedproperty[this.propertyindex]=e[n]}_setvalue_arrayelement_setneedsupdate(e,n){this.resolvedproperty[this.propertyindex]=e[n],this.targetobject.needsupdate=!0}_setvalue_arrayelement_setmatrixworldneedsupdate(e,n){this.resolvedproperty[this.propertyindex]=e[n],this.targetobject.matrixworldneedsupdate=!0}_setvalue_fromarray(e,n){this.resolvedproperty.fromarray(e,n)}_setvalue_fromarray_setneedsupdate(e,n){this.resolvedproperty.fromarray(e,n),this.targetobject.needsupdate=!0}_setvalue_fromarray_setmatrixworldneedsupdate(e,n){this.resolvedproperty.fromarray(e,n),this.targetobject.matrixworldneedsupdate=!0}_getvalue_unbound(e,n){this.bind(),this.getvalue(e,n)}_setvalue_unbound(e,n){this.bind(),this.setvalue(e,n)}bind(){let e=this.node,n=this.parsedpath,r=n.objectname,i=n.propertyname,a=n.propertyindex;if(e||(e=ck.findnode(this.rootnode,n.nodename)||this.rootnode,this.node=e),this.getvalue=this._getvalue_unavailable,this.setvalue=this._setvalue_unavailable,!e){console.error("three.propertybinding: trying to update node for track: "+this.path+" but it wasn't found.");return}if(r){let i=n.objectindex;switch(r){case"materials":if(!e.material){console.error("three.propertybinding: can not bind to material as node does not have a material.",this);return}if(!e.material.materials){console.error("three.propertybinding: can not bind to material.materials as node.material does not have a materials array.",this);return}e=e.material.materials;break;case"bones":if(!e.skeleton){console.error("three.propertybinding: can not bind to bones as node does not have a skeleton.",this);return}e=e.skeleton.bones;for(let n=0;n<e.length;n++)if(e[n].name===i){i=n;break}break;case"map":if("map"in e){e=e.map;break}if(!e.material){console.error("three.propertybinding: can not bind to material as node does not have a material.",this);return}if(!e.material.map){console.error("three.propertybinding: can not bind to material.map as node.material does not have a map.",this);return}e=e.material.map;break;default:if(void 0===e[r]){console.error("three.propertybinding: can not bind to objectname of node undefined.",this);return}e=e[r]}if(void 0!==i){if(void 0===e[i]){console.error("three.propertybinding: trying to bind to objectindex of objectname, but is undefined.",this,e);return}e=e[i]}}let s=e[i];if(void 0===s){let r=n.nodename;console.error("three.propertybinding: trying to update property for track: "+r+"."+i+" but it wasn't found.",e);return}let o=this.versioning.none;this.targetobject=e,void 0!==e.needsupdate?o=this.versioning.needsupdate:void 0!==e.matrixworldneedsupdate&&(o=this.versioning.matrixworldneedsupdate);let l=this.bindingtype.direct;if(void 0!==a){if("morphtargetinfluences"===i){if(!e.geometry){console.error("three.propertybinding: can not bind to morphtargetinfluences because node does not have a geometry.",this);return}if(!e.geometry.morphattributes){console.error("three.propertybinding: can not bind to morphtargetinfluences because node does not have a geometry.morphattributes.",this);return}void 0!==e.morphtargetdictionary[a]&&(a=e.morphtargetdictionary[a])}l=this.bindingtype.arrayelement,this.resolvedproperty=s,this.propertyindex=a}else void 0!==s.fromarray&&void 0!==s.toarray?(l=this.bindingtype.hasfromtoarray,this.resolvedproperty=s):array.isarray(s)?(l=this.bindingtype.entirearray,this.resolvedproperty=s):this.propertyname=i;this.getvalue=this.getterbybindingtype[l],this.setvalue=this.setterbybindingtypeandversioning[l][o]}unbind(){this.node=null,this.getvalue=this._getvalue_unbound,this.setvalue=this._setvalue_unbound}}ck.composite=class{constructor(e,n,r){let i=r||ck.parsetrackname(n);this._targetgroup=e,this._bindings=e.subscribe_(n,i)}getvalue(e,n){this.bind();let r=this._targetgroup.ncachedobjects_,i=this._bindings[r];void 0!==i&&i.getvalue(e,n)}setvalue(e,n){let r=this._bindings;for(let i=this._targetgroup.ncachedobjects_,a=r.length;i!==a;++i)r[i].setvalue(e,n)}bind(){let e=this._bindings;for(let n=this._targetgroup.ncachedobjects_,r=e.length;n!==r;++n)e[n].bind()}unbind(){let e=this._bindings;for(let n=this._targetgroup.ncachedobjects_,r=e.length;n!==r;++n)e[n].unbind()}},ck.prototype.bindingtype={direct:0,entirearray:1,arrayelement:2,hasfromtoarray:3},ck.prototype.versioning={none:0,needsupdate:1,matrixworldneedsupdate:2},ck.prototype.getterbybindingtype=[ck.prototype._getvalue_direct,ck.prototype._getvalue_array,ck.prototype._getvalue_arrayelement,ck.prototype._getvalue_toarray],ck.prototype.setterbybindingtypeandversioning=[[ck.prototype._setvalue_direct,ck.prototype._setvalue_direct_setneedsupdate,ck.prototype._setvalue_direct_setmatrixworldneedsupdate],[ck.prototype._setvalue_array,ck.prototype._setvalue_array_setneedsupdate,ck.prototype._setvalue_array_setmatrixworldneedsupdate],[ck.prototype._setvalue_arrayelement,ck.prototype._setvalue_arrayelement_setneedsupdate,ck.prototype._setvalue_arrayelement_setmatrixworldneedsupdate],[ck.prototype._setvalue_fromarray,ck.prototype._setvalue_fromarray_setneedsupdate,ck.prototype._setvalue_fromarray_setmatrixworldneedsupdate]];class ch{constructor(){this.isanimationobjectgroup=!0,this.uuid=nl(),this._objects=array.prototype.slice.call(arguments),this.ncachedobjects_=0;let e={};this._indicesbyuuid=e;for(let n=0,r=arguments.length;n!==r;++n)e[arguments[n].uuid]=n;this._paths=[],this._parsedpaths=[],this._bindings=[],this._bindingsindicesbypath={};let n=this;this.stats={objects:{get total(){return n._objects.length},get inuse(){return this.total-n.ncachedobjects_}},get bindingsperobject(){return n._bindings.length}}}add(){let e=this._objects,n=this._indicesbyuuid,r=this._paths,i=this._parsedpaths,a=this._bindings,s=a.length,o,l=e.length,u=this.ncachedobjects_;for(let c=0,h=arguments.length;c!==h;++c){let h=arguments[c],d=h.uuid,p=n[d];if(void 0===p){p=l++,n[d]=p,e.push(h);for(let e=0;e!==s;++e)a[e].push(new ck(h,r[e],i[e]))}else if(p<u){o=e[p];let l=--u,c=e[l];n[c.uuid]=p,e[p]=c,n[d]=l,e[l]=h;for(let e=0;e!==s;++e){let n=a[e],s=n[l],o=n[p];n[p]=s,void 0===o&&(o=new ck(h,r[e],i[e])),n[l]=o}}else e[p]!==o&&console.error("three.animationobjectgroup: different objects with the same uuid detected. clean the caches or recreate your infrastructure when reloading scenes.")}this.ncachedobjects_=u}remove(){let e=this._objects,n=this._indicesbyuuid,r=this._bindings,i=r.length,a=this.ncachedobjects_;for(let s=0,o=arguments.length;s!==o;++s){let o=arguments[s],l=o.uuid,u=n[l];if(void 0!==u&&u>=a){let s=a++,c=e[s];n[c.uuid]=u,e[u]=c,n[l]=s,e[s]=o;for(let e=0;e!==i;++e){let n=r[e],i=n[s],a=n[u];n[u]=i,n[s]=a}}}this.ncachedobjects_=a}uncache(){let e=this._objects,n=this._indicesbyuuid,r=this._bindings,i=r.length,a=this.ncachedobjects_,s=e.length;for(let o=0,l=arguments.length;o!==l;++o){let l=arguments[o],u=l.uuid,c=n[u];if(void 0!==c){if(delete n[u],c<a){let o=--a,l=e[o],u=--s,h=e[u];n[l.uuid]=c,e[c]=l,n[h.uuid]=o,e[o]=h,e.pop();for(let e=0;e!==i;++e){let n=r[e],i=n[o],a=n[u];n[c]=i,n[o]=a,n.pop()}}else{let a=--s,o=e[a];a>0&&(n[o.uuid]=c),e[c]=o,e.pop();for(let e=0;e!==i;++e){let n=r[e];n[c]=n[a],n.pop()}}}}this.ncachedobjects_=a}subscribe_(e,n){let r=this._bindingsindicesbypath,i=r[e],a=this._bindings;if(void 0!==i)return a[i];let s=this._paths,o=this._parsedpaths,l=this._objects,u=l.length,c=this.ncachedobjects_,h=array(u);i=a.length,r[e]=i,s.push(e),o.push(n),a.push(h);for(let r=c,i=l.length;r!==i;++r){let i=l[r];h[r]=new ck(i,e,n)}return h}unsubscribe_(e){let n=this._bindingsindicesbypath,r=n[e];if(void 0!==r){let i=this._paths,a=this._parsedpaths,s=this._bindings,o=s.length-1,l=s[o],u=e[o];n[u]=r,s[r]=l,s.pop(),a[r]=a[o],a.pop(),i[r]=i[o],i.pop()}}}class cg{constructor(e,n,r=null,i=n.blendmode){this._mixer=e,this._clip=n,this._localroot=r,this.blendmode=i;let a=n.tracks,s=a.length,o=array(s),l={endingstart:tb,endingend:tb};for(let e=0;e!==s;++e){let n=a[e].createinterpolant(null);o[e]=n,n.settings=l}this._interpolantsettings=l,this._interpolants=o,this._propertybindings=array(s),this._cacheindex=null,this._byclipcacheindex=null,this._timescaleinterpolant=null,this._weightinterpolant=null,this.loop=tv,this._loopcount=-1,this._starttime=null,this.time=0,this.timescale=1,this._effectivetimescale=1,this.weight=1,this._effectiveweight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampwhenfinished=!1,this.zeroslopeatstart=!0,this.zeroslopeatend=!0}play(){return this._mixer._activateaction(this),this}stop(){return this._mixer._deactivateaction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopcount=-1,this._starttime=null,this.stopfading().stopwarping()}isrunning(){return this.enabled&&!this.paused&&0!==this.timescale&&null===this._starttime&&this._mixer._isactiveaction(this)}isscheduled(){return this._mixer._isactiveaction(this)}startat(e){return this._starttime=e,this}setloop(e,n){return this.loop=e,this.repetitions=n,this}seteffectiveweight(e){return this.weight=e,this._effectiveweight=this.enabled?e:0,this.stopfading()}geteffectiveweight(){return this._effectiveweight}fadein(e){return this._schedulefading(e,0,1)}fadeout(e){return this._schedulefading(e,1,0)}crossfadefrom(e,n,r){if(e.fadeout(n),this.fadein(n),r){let r=this._clip.duration,i=e._clip.duration;e.warp(1,i/r,n),this.warp(r/i,1,n)}return this}crossfadeto(e,n,r){return e.crossfadefrom(this,n,r)}stopfading(){let e=this._weightinterpolant;return null!==e&&(this._weightinterpolant=null,this._mixer._takebackcontrolinterpolant(e)),this}seteffectivetimescale(e){return this.timescale=e,this._effectivetimescale=this.paused?0:e,this.stopwarping()}geteffectivetimescale(){return this._effectivetimescale}setduration(e){return this.timescale=this._clip.duration/e,this.stopwarping()}syncwith(e){return this.time=e.time,this.timescale=e.timescale,this.stopwarping()}halt(e){return this.warp(this._effectivetimescale,0,e)}warp(e,n,r){let i=this._mixer,a=i.time,s=this.timescale,o=this._timescaleinterpolant;null===o&&(o=i._lendcontrolinterpolant(),this._timescaleinterpolant=o);let l=o.parameterpositions,u=o.samplevalues;return l[0]=a,l[1]=a+r,u[0]=e/s,u[1]=n/s,this}stopwarping(){let e=this._timescaleinterpolant;return null!==e&&(this._timescaleinterpolant=null,this._mixer._takebackcontrolinterpolant(e)),this}getmixer(){return this._mixer}getclip(){return this._clip}getroot(){return this._localroot||this._mixer._root}_update(e,n,r,i){if(!this.enabled){this._updateweight(e);return}let a=this._starttime;if(null!==a){let i=(e-a)*r;i<0||0===r?n=0:(this._starttime=null,n=r*i)}n*=this._updatetimescale(e);let s=this._updatetime(n),o=this._updateweight(e);if(o>0){let e=this._interpolants,n=this._propertybindings;if(this.blendmode===tc)for(let r=0,i=e.length;r!==i;++r)e[r].evaluate(s),n[r].accumulateadditive(o);else for(let r=0,a=e.length;r!==a;++r)e[r].evaluate(s),n[r].accumulate(i,o)}}_updateweight(e){let n=0;if(this.enabled){n=this.weight;let r=this._weightinterpolant;if(null!==r){let i=r.evaluate(e)[0];n*=i,e>r.parameterpositions[1]&&(this.stopfading(),0===i&&(this.enabled=!1))}}return this._effectiveweight=n,n}_updatetimescale(e){let n=0;if(!this.paused){n=this.timescale;let r=this._timescaleinterpolant;if(null!==r){let i=r.evaluate(e)[0];n*=i,e>r.parameterpositions[1]&&(this.stopwarping(),0===n?this.paused=!0:this.timescale=n)}}return this._effectivetimescale=n,n}_updatetime(e){let n=this._clip.duration,r=this.loop,i=this.time+e,a=this._loopcount,s=r===ty;if(0===e)return -1===a?i:s&&(1&a)==1?n-i:i;if(r===tg){-1===a&&(this._loopcount=0,this._setendings(!0,!0,!1));s:{if(i>=n)i=n;else if(i<0)i=0;else{this.time=i;break s}this.clampwhenfinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchevent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(-1===a&&(e>=0?(a=0,this._setendings(!0,0===this.repetitions,s)):this._setendings(0===this.repetitions,!0,s)),i>=n||i<0){let r=math.floor(i/n);i-=n*r,a+=math.abs(r);let o=this.repetitions-a;if(o<=0)this.clampwhenfinished?this.paused=!0:this.enabled=!1,i=e>0?n:0,this.time=i,this._mixer.dispatchevent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===o){let n=e<0;this._setendings(n,!n,s)}else this._setendings(!1,!1,s);this._loopcount=a,this.time=i,this._mixer.dispatchevent({type:"loop",action:this,loopdelta:r})}}else this.time=i;if(s&&(1&a)==1)return n-i}return i}_setendings(e,n,r){let i=this._interpolantsettings;r?(i.endingstart=tm,i.endingend=tm):(e?i.endingstart=this.zeroslopeatstart?tm:tb:i.endingstart=ts,n?i.endingend=this.zeroslopeatend?tm:tb:i.endingend=ts)}_schedulefading(e,n,r){let i=this._mixer,a=i.time,s=this._weightinterpolant;null===s&&(s=i._lendcontrolinterpolant(),this._weightinterpolant=s);let o=s.parameterpositions,l=s.samplevalues;return o[0]=a,l[0]=n,o[1]=a+e,l[1]=r,this}}let cu=new float32array(1);class cz extends nr{constructor(e){super(),this._root=e,this._initmemorymanager(),this._accuindex=0,this.time=0,this.timescale=1}_bindaction(e,n){let r=e._localroot||this._root,i=e._clip.tracks,a=i.length,s=e._propertybindings,o=e._interpolants,l=r.uuid,u=this._bindingsbyrootandname,c=u[l];void 0===c&&(c={},u[l]=c);for(let e=0;e!==a;++e){let a=i[e],u=a.name,h=c[u];if(void 0!==h)++h.referencecount,s[e]=h;else{if(void 0!==(h=s[e])){null===h._cacheindex&&(++h.referencecount,this._addinactivebinding(h,l,u));continue}let i=n&&n._propertybindings[e].binding.parsedpath;h=new ce(ck.create(r,u,i),a.valuetypename,a.getvaluesize()),++h.referencecount,this._addinactivebinding(h,l,u),s[e]=h}o[e].resultbuffer=h.buffer}}_activateaction(e){if(!this._isactiveaction(e)){if(null===e._cacheindex){let n=(e._localroot||this._root).uuid,r=e._clip.uuid,i=this._actionsbyclip[r];this._bindaction(e,i&&i.knownactions[0]),this._addinactiveaction(e,r,n)}let n=e._propertybindings;for(let e=0,r=n.length;e!==r;++e){let r=n[e];0==r.usecount++&&(this._lendbinding(r),r.saveoriginalstate())}this._lendaction(e)}}_deactivateaction(e){if(this._isactiveaction(e)){let n=e._propertybindings;for(let e=0,r=n.length;e!==r;++e){let r=n[e];0==--r.usecount&&(r.restoreoriginalstate(),this._takebackbinding(r))}this._takebackaction(e)}}_initmemorymanager(){this._actions=[],this._nactiveactions=0,this._actionsbyclip={},this._bindings=[],this._nactivebindings=0,this._bindingsbyrootandname={},this._controlinterpolants=[],this._nactivecontrolinterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inuse(){return e._nactiveactions}},bindings:{get total(){return e._bindings.length},get inuse(){return e._nactivebindings}},controlinterpolants:{get total(){return e._controlinterpolants.length},get inuse(){return e._nactivecontrolinterpolants}}}}_isactiveaction(e){let n=e._cacheindex;return null!==n&&n<this._nactiveactions}_addinactiveaction(e,n,r){let i=this._actions,a=this._actionsbyclip,s=a[n];if(void 0===s)s={knownactions:[e],actionbyroot:{}},e._byclipcacheindex=0,a[n]=s;else{let n=s.knownactions;e._byclipcacheindex=n.length,n.push(e)}e._cacheindex=i.length,i.push(e),s.actionbyroot[r]=e}_removeinactiveaction(e){let n=this._actions,r=n[n.length-1],i=e._cacheindex;r._cacheindex=i,n[i]=r,n.pop(),e._cacheindex=null;let a=e._clip.uuid,s=this._actionsbyclip,o=s[a],l=o.knownactions,u=l[l.length-1],c=e._byclipcacheindex;u._byclipcacheindex=c,l[c]=u,l.pop(),e._byclipcacheindex=null;let h=o.actionbyroot,d=(e._localroot||this._root).uuid;delete h[d],0===l.length&&delete s[a],this._removeinactivebindingsforaction(e)}_removeinactivebindingsforaction(e){let n=e._propertybindings;for(let e=0,r=n.length;e!==r;++e){let r=n[e];0==--r.referencecount&&this._removeinactivebinding(r)}}_lendaction(e){let n=this._actions,r=e._cacheindex,i=this._nactiveactions++,a=n[i];e._cacheindex=i,n[i]=e,a._cacheindex=r,n[r]=a}_takebackaction(e){let n=this._actions,r=e._cacheindex,i=--this._nactiveactions,a=n[i];e._cacheindex=i,n[i]=e,a._cacheindex=r,n[r]=a}_addinactivebinding(e,n,r){let i=this._bindingsbyrootandname,a=this._bindings,s=i[n];void 0===s&&(s={},i[n]=s),s[r]=e,e._cacheindex=a.length,a.push(e)}_removeinactivebinding(e){let n=this._bindings,r=e.binding,i=r.rootnode.uuid,a=r.path,s=this._bindingsbyrootandname,o=s[i],l=n[n.length-1],u=e._cacheindex;l._cacheindex=u,n[u]=l,n.pop(),delete o[a],0===object.keys(o).length&&delete s[i]}_lendbinding(e){let n=this._bindings,r=e._cacheindex,i=this._nactivebindings++,a=n[i];e._cacheindex=i,n[i]=e,a._cacheindex=r,n[r]=a}_takebackbinding(e){let n=this._bindings,r=e._cacheindex,i=--this._nactivebindings,a=n[i];e._cacheindex=i,n[i]=e,a._cacheindex=r,n[r]=a}_lendcontrolinterpolant(){let e=this._controlinterpolants,n=this._nactivecontrolinterpolants++,r=e[n];return void 0===r&&((r=new uv(new float32array(2),new float32array(2),1,cu)).__cacheindex=n,e[n]=r),r}_takebackcontrolinterpolant(e){let n=this._controlinterpolants,r=e.__cacheindex,i=--this._nactivecontrolinterpolants,a=n[i];e.__cacheindex=i,n[i]=e,a.__cacheindex=r,n[r]=a}clipaction(e,n,r){let i=n||this._root,a=i.uuid,s="string"==typeof e?ue.findbyname(i,e):e,o=null!==s?s.uuid:e,l=this._actionsbyclip[o],u=null;if(void 0===r&&(r=null!==s?s.blendmode:tw),void 0!==l){let e=l.actionbyroot[a];if(void 0!==e&&e.blendmode===r)return e;u=l.knownactions[0],null===s&&(s=u._clip)}if(null===s)return null;let c=new cg(this,s,n,r);return this._bindaction(c,u),this._addinactiveaction(c,o,a),c}existingaction(e,n){let r=n||this._root,i=r.uuid,a="string"==typeof e?ue.findbyname(r,e):e,s=a?a.uuid:e,o=this._actionsbyclip[s];return void 0!==o&&o.actionbyroot[i]||null}stopallaction(){let e=this._actions,n=this._nactiveactions;for(let r=n-1;r>=0;--r)e[r].stop();return this}update(e){e*=this.timescale;let n=this._actions,r=this._nactiveactions,i=this.time+=e,a=math.sign(e),s=this._accuindex^=1;for(let o=0;o!==r;++o){let r=n[o];r._update(i,e,a,s)}let o=this._bindings,l=this._nactivebindings;for(let e=0;e!==l;++e)o[e].apply(s);return this}settime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getroot(){return this._root}uncacheclip(e){let n=this._actions,r=e.uuid,i=this._actionsbyclip,a=i[r];if(void 0!==a){let e=a.knownactions;for(let r=0,i=e.length;r!==i;++r){let i=e[r];this._deactivateaction(i);let a=i._cacheindex,s=n[n.length-1];i._cacheindex=null,i._byclipcacheindex=null,s._cacheindex=a,n[a]=s,n.pop(),this._removeinactivebindingsforaction(i)}delete i[r]}}uncacheroot(e){let n=e.uuid,r=this._actionsbyclip;for(let e in r){let i=r[e].actionbyroot,a=i[n];void 0!==a&&(this._deactivateaction(a),this._removeinactiveaction(a))}let i=this._bindingsbyrootandname,a=i[n];if(void 0!==a)for(let e in a){let n=a[e];n.restoreoriginalstate(),this._removeinactivebinding(n)}}uncacheaction(e,n){let r=this.existingaction(e,n);null!==r&&(this._deactivateaction(r),this._removeinactiveaction(r))}}class cv{constructor(e){this.value=e}clone(){return new cv(void 0===this.value.clone?this.value:this.value.clone())}}let cj=0;class cw extends nr{constructor(){super(),this.isuniformsgroup=!0,object.defineproperty(this,"id",{value:cj++}),this.name="",this.usage=t1,this.uniforms=[]}add(e){return this.uniforms.push(e),this}remove(e){let n=this.uniforms.indexof(e);return -1!==n&&this.uniforms.splice(n,1),this}setname(e){return this.name=e,this}setusage(e){return this.usage=e,this}dispose(){return this.dispatchevent({type:"dispose"}),this}copy(e){this.name=e.name,this.usage=e.usage;let n=e.uniforms;this.uniforms.length=0;for(let e=0,r=n.length;e<r;e++)this.uniforms.push(n[e].clone());return this}clone(){return new this.constructor().copy(this)}}class cj extends s5{constructor(e,n,r=1){super(e,n),this.isinstancedinterleavedbuffer=!0,this.meshperattribute=r}copy(e){return super.copy(e),this.meshperattribute=e.meshperattribute,this}clone(e){let n=super.clone(e);return n.meshperattribute=this.meshperattribute,n}tojson(e){let n=super.tojson(e);return n.isinstancedinterleavedbuffer=!0,n.meshperattribute=this.meshperattribute,n}}class cx{constructor(e,n,r,i,a){this.isglbufferattribute=!0,this.name="",this.buffer=e,this.type=n,this.itemsize=r,this.elementsize=i,this.count=a,this.version=0}set needsupdate(e){!0===e&&this.version++}setbuffer(e){return this.buffer=e,this}settype(e,n){return this.type=e,this.elementsize=n,this}setitemsize(e){return this.itemsize=e,this}setcount(e){return this.count=e,this}}class ck{constructor(e,n,r=0,i=1/0){this.ray=new rf(e,n),this.near=r,this.far=i,this.camera=null,this.layers=new rc,this.params={mesh:{},line:{threshold:1},lod:{},points:{threshold:1},sprite:{}}}set(e,n){this.ray.set(e,n)}setfromcamera(e,n){n.isperspectivecamera?(this.ray.origin.setfrommatrixposition(n.matrixworld),this.ray.direction.set(e.x,e.y,.5).unproject(n).sub(this.ray.origin).normalize(),this.camera=n):n.isorthographiccamera?(this.ray.origin.set(e.x,e.y,(n.near+n.far)/(n.near-n.far)).unproject(n),this.ray.direction.set(0,0,-1).transformdirection(n.matrixworld),this.camera=n):console.error("three.raycaster: unsupported camera type: "+n.type)}intersectobject(e,n=!0,r=[]){return cq(e,this,r,n),r.sort(cy),r}intersectobjects(e,n=!0,r=[]){for(let i=0,a=e.length;i<a;i++)cq(e[i],this,r,n);return r.sort(cy),r}}function cy(e,n){return e.distance-n.distance}function cq(e,n,r,i){if(e.layers.test(n.layers)&&e.raycast(n,r),!0===i){let i=e.children;for(let e=0,a=i.length;e<a;e++)cq(i[e],n,r,!0)}}class cq{constructor(e=1,n=0,r=0){return this.radius=e,this.phi=n,this.theta=r,this}set(e,n,r){return this.radius=e,this.phi=n,this.theta=r,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makesafe(){return this.phi=math.max(1e-6,math.min(math.pi-1e-6,this.phi)),this}setfromvector3(e){return this.setfromcartesiancoords(e.x,e.y,e.z)}setfromcartesiancoords(e,n,r){return this.radius=math.sqrt(e*e+n*n+r*r),0===this.radius?(this.theta=0,this.phi=0):(this.theta=math.atan2(e,r),this.phi=math.acos(nu(n/this.radius,-1,1))),this}clone(){return new this.constructor().copy(this)}}class cz{constructor(e=1,n=0,r=0){return this.radius=e,this.theta=n,this.y=r,this}set(e,n,r){return this.radius=e,this.theta=n,this.y=r,this}copy(e){return this.radius=e.radius,this.theta=e.theta,this.y=e.y,this}setfromvector3(e){return this.setfromcartesiancoords(e.x,e.y,e.z)}setfromcartesiancoords(e,n,r){return this.radius=math.sqrt(e*e+r*r),this.theta=math.atan2(e,r),this.y=n,this}clone(){return new this.constructor().copy(this)}}let c$=new ny;class c0{constructor(e=new ny(infinity,infinity),n=new ny(-1/0,-1/0)){this.isbox2=!0,this.min=e,this.max=n}set(e,n){return this.min.copy(e),this.max.copy(n),this}setfrompoints(e){this.makeempty();for(let n=0,r=e.length;n<r;n++)this.expandbypoint(e[n]);return this}setfromcenterandsize(e,n){let r=c$.copy(n).multiplyscalar(.5);return this.min.copy(e).sub(r),this.max.copy(e).add(r),this}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeempty(){return this.min.x=this.min.y=infinity,this.max.x=this.max.y=-1/0,this}isempty(){return this.max.x<this.min.x||this.max.y<this.min.y}getcenter(e){return this.isempty()?e.set(0,0):e.addvectors(this.min,this.max).multiplyscalar(.5)}getsize(e){return this.isempty()?e.set(0,0):e.subvectors(this.max,this.min)}expandbypoint(e){return this.min.min(e),this.max.max(e),this}expandbyvector(e){return this.min.sub(e),this.max.add(e),this}expandbyscalar(e){return this.min.addscalar(-e),this.max.addscalar(e),this}containspoint(e){return!(e.x<this.min.x)&&!(e.x>this.max.x)&&!(e.y<this.min.y)&&!(e.y>this.max.y)}containsbox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getparameter(e,n){return n.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsbox(e){return!(e.max.x<this.min.x)&&!(e.min.x>this.max.x)&&!(e.max.y<this.min.y)&&!(e.min.y>this.max.y)}clamppoint(e,n){return n.copy(e).clamp(this.min,this.max)}distancetopoint(e){let n=c$.copy(e).clamp(this.min,this.max);return n.sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}let c1=new ny,c2=new ny;class c3{constructor(e=new ny,n=new ny){this.start=e,this.end=n}set(e,n){return this.start.copy(e),this.end.copy(n),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getcenter(e){return e.addvectors(this.start,this.end).multiplyscalar(.5)}delta(e){return e.subvectors(this.end,this.start)}distancesq(){return this.start.distancetosquared(this.end)}distance(){return this.start.distanceto(this.end)}at(e,n){return this.delta(n).multiplyscalar(e).add(this.start)}closestpointtopointparameter(e,n){c1.subvectors(e,this.start),c2.subvectors(this.end,this.start);let r=c2.dot(c2),i=c2.dot(c1),a=i/r;return n&&(a=nu(a,0,1)),a}closestpointtopoint(e,n,r){let i=this.closestpointtopointparameter(e,n);return this.delta(r).multiplyscalar(i).add(this.start)}applymatrix4(e){return this.start.applymatrix4(e),this.end.applymatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}}let c4=new ny;class c6 extends rg{constructor(e,n){super(),this.light=e,this.matrix=e.matrixworld,this.matrixautoupdate=!1,this.color=n,this.type="spotlighthelper";let r=new id,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let e=0,n=1;e<32;e++,n++){let r=e/32*math.pi*2,a=n/32*math.pi*2;i.push(math.cos(r),math.sin(r),1,math.cos(a),math.sin(a),1)}r.setattribute("position",new ir(i,3));let a=new of({fog:!1,tonemapped:!1});this.cone=new oj(r,a),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateworldmatrix(!0,!1),this.light.target.updateworldmatrix(!0,!1);let e=this.light.distance?this.light.distance:1e3,n=e*math.tan(this.light.angle);this.cone.scale.set(n,n,e),c4.setfrommatrixposition(this.light.target.matrixworld),this.cone.lookat(c4),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}let c5=new ny,c9=new rm,c8=new rm;class c7 extends oj{constructor(e){let n=function e(n){let r=[];!0===n.isbone&&r.push(n);for(let i=0;i<n.children.length;i++)r.push.apply(r,e(n.children[i]));return r}(e),r=new id,i=[],a=[],s=new nf(0,0,1),o=new nf(0,1,0);for(let e=0;e<n.length;e++){let r=n[e];r.parent&&r.parent.isbone&&(i.push(0,0,0),i.push(0,0,0),a.push(s.r,s.g,s.b),a.push(o.r,o.g,o.b))}r.setattribute("position",new ir(i,3)),r.setattribute("color",new ir(a,3));let l=new of({vertexcolors:!0,depthtest:!1,depthwrite:!1,tonemapped:!1,transparent:!0});super(r,l),this.isskeletonhelper=!0,this.type="skeletonhelper",this.root=e,this.bones=n,this.matrix=e.matrixworld,this.matrixautoupdate=!1}updatematrixworld(e){let n=this.bones,r=this.geometry,i=r.getattribute("position");c8.copy(this.root.matrixworld).invert();for(let e=0,r=0;e<n.length;e++){let a=n[e];a.parent&&a.parent.isbone&&(c9.multiplymatrices(c8,a.matrixworld),c5.setfrommatrixposition(c9),i.setxyz(r,c5.x,c5.y,c5.z),c9.multiplymatrices(c8,a.parent.matrixworld),c5.setfrommatrixposition(c9),i.setxyz(r+1,c5.x,c5.y,c5.z),r+=2)}r.getattribute("position").needsupdate=!0,super.updatematrixworld(e)}dispose(){this.geometry.dispose(),this.material.dispose()}}class he extends ie{constructor(e,n,r){let i=new l0(n,4,2),a=new r0({wireframe:!0,fog:!1,tonemapped:!1});super(i,a),this.light=e,this.color=r,this.type="pointlighthelper",this.matrix=this.light.matrixworld,this.matrixautoupdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateworldmatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}let ht=new ny,hn=new nf,hr=new nf;class hi extends rg{constructor(e,n,r){super(),this.light=e,this.matrix=e.matrixworld,this.matrixautoupdate=!1,this.color=r,this.type="hemispherelighthelper";let i=new lq(n);i.rotatey(.5*math.pi),this.material=new r0({wireframe:!0,fog:!1,tonemapped:!1}),void 0===this.color&&(this.material.vertexcolors=!0);let a=i.getattribute("position"),s=new float32array(3*a.count);i.setattribute("color",new r3(s,3)),this.add(new ie(i,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){let e=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{let n=e.geometry.getattribute("color");hn.copy(this.light.color),hr.copy(this.light.groundcolor);for(let e=0,r=n.count;e<r;e++){let i=e<r/2?hn:hr;n.setxyz(e,i.r,i.g,i.b)}n.needsupdate=!0}this.light.updateworldmatrix(!0,!1),e.lookat(ht.setfrommatrixposition(this.light.matrixworld).negate())}}class ha extends oj{constructor(e=10,n=10,r=4473924,i=8947848){r=new nf(r),i=new nf(i);let a=n/2,s=e/n,o=e/2,l=[],u=[];for(let e=0,c=0,h=-o;e<=n;e++,h+=s){l.push(-o,0,h,o,0,h),l.push(h,0,-o,h,0,o);let n=e===a?r:i;n.toarray(u,c),c+=3,n.toarray(u,c),c+=3,n.toarray(u,c),c+=3,n.toarray(u,c),c+=3}let c=new id;c.setattribute("position",new ir(l,3)),c.setattribute("color",new ir(u,3));let h=new of({vertexcolors:!0,tonemapped:!1});super(c,h),this.type="gridhelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class hs extends oj{constructor(e=10,n=16,r=8,i=64,a=4473924,s=8947848){a=new nf(a),s=new nf(s);let o=[],l=[];if(n>1)for(let r=0;r<n;r++){let i=r/n*(2*math.pi),u=math.sin(i)*e,c=math.cos(i)*e;o.push(0,0,0),o.push(u,0,c);let h=1&r?a:s;l.push(h.r,h.g,h.b),l.push(h.r,h.g,h.b)}for(let n=0;n<r;n++){let u=1&n?a:s,c=e-e/r*n;for(let e=0;e<i;e++){let n=e/i*(2*math.pi),r=math.sin(n)*c,a=math.cos(n)*c;o.push(r,0,a),l.push(u.r,u.g,u.b),r=math.sin(n=(e+1)/i*(2*math.pi))*c,a=math.cos(n)*c,o.push(r,0,a),l.push(u.r,u.g,u.b)}}let u=new id;u.setattribute("position",new ir(o,3)),u.setattribute("color",new ir(l,3));let c=new of({vertexcolors:!0,tonemapped:!1});super(u,c),this.type="polargridhelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}let ho=new ny,hl=new ny,hu=new ny;class hc extends rg{constructor(e,n,r){super(),this.light=e,this.matrix=e.matrixworld,this.matrixautoupdate=!1,this.color=r,this.type="directionallighthelper",void 0===n&&(n=1);let i=new id;i.setattribute("position",new ir([-n,n,0,n,n,0,n,-n,0,-n,-n,0,-n,n,0],3));let a=new of({fog:!1,tonemapped:!1});this.lightplane=new ou(i,a),this.add(this.lightplane),(i=new id).setattribute("position",new ir([0,0,0,0,0,1],3)),this.targetline=new ou(i,a),this.add(this.targetline),this.update()}dispose(){this.lightplane.geometry.dispose(),this.lightplane.material.dispose(),this.targetline.geometry.dispose(),this.targetline.material.dispose()}update(){this.light.updateworldmatrix(!0,!1),this.light.target.updateworldmatrix(!0,!1),ho.setfrommatrixposition(this.light.matrixworld),hl.setfrommatrixposition(this.light.target.matrixworld),hu.subvectors(hl,ho),this.lightplane.lookat(hl),void 0!==this.color?(this.lightplane.material.color.set(this.color),this.targetline.material.color.set(this.color)):(this.lightplane.material.color.copy(this.light.color),this.targetline.material.color.copy(this.light.color)),this.targetline.lookat(hl),this.targetline.scale.z=hu.length()}}let hh=new ny,hd=new if;class hp extends oj{constructor(e){let n=new id,r=new of({color:16777215,vertexcolors:!0,tonemapped:!1}),i=[],a=[],s={};function o(e,n){l(e),l(n)}function l(e){i.push(0,0,0),a.push(0,0,0),void 0===s[e]&&(s[e]=[]),s[e].push(i.length/3-1)}o("n1","n2"),o("n2","n4"),o("n4","n3"),o("n3","n1"),o("f1","f2"),o("f2","f4"),o("f4","f3"),o("f3","f1"),o("n1","f1"),o("n2","f2"),o("n3","f3"),o("n4","f4"),o("p","n1"),o("p","n2"),o("p","n3"),o("p","n4"),o("u1","u2"),o("u2","u3"),o("u3","u1"),o("c","t"),o("p","c"),o("cn1","cn2"),o("cn3","cn4"),o("cf1","cf2"),o("cf3","cf4"),n.setattribute("position",new ir(i,3)),n.setattribute("color",new ir(a,3)),super(n,r),this.type="camerahelper",this.camera=e,this.camera.updateprojectionmatrix&&this.camera.updateprojectionmatrix(),this.matrix=e.matrixworld,this.matrixautoupdate=!1,this.pointmap=s,this.update();let u=new nf(16755200),c=new nf(16711680),h=new nf(43775),d=new nf(16777215),p=new nf(3355443);this.setcolors(u,c,h,d,p)}setcolors(e,n,r,i,a){let s=this.geometry,o=s.getattribute("color");o.setxyz(0,e.r,e.g,e.b),o.setxyz(1,e.r,e.g,e.b),o.setxyz(2,e.r,e.g,e.b),o.setxyz(3,e.r,e.g,e.b),o.setxyz(4,e.r,e.g,e.b),o.setxyz(5,e.r,e.g,e.b),o.setxyz(6,e.r,e.g,e.b),o.setxyz(7,e.r,e.g,e.b),o.setxyz(8,e.r,e.g,e.b),o.setxyz(9,e.r,e.g,e.b),o.setxyz(10,e.r,e.g,e.b),o.setxyz(11,e.r,e.g,e.b),o.setxyz(12,e.r,e.g,e.b),o.setxyz(13,e.r,e.g,e.b),o.setxyz(14,e.r,e.g,e.b),o.setxyz(15,e.r,e.g,e.b),o.setxyz(16,e.r,e.g,e.b),o.setxyz(17,e.r,e.g,e.b),o.setxyz(18,e.r,e.g,e.b),o.setxyz(19,e.r,e.g,e.b),o.setxyz(20,e.r,e.g,e.b),o.setxyz(21,e.r,e.g,e.b),o.setxyz(22,e.r,e.g,e.b),o.setxyz(23,e.r,e.g,e.b),o.setxyz(24,n.r,n.g,n.b),o.setxyz(25,n.r,n.g,n.b),o.setxyz(26,n.r,n.g,n.b),o.setxyz(27,n.r,n.g,n.b),o.setxyz(28,n.r,n.g,n.b),o.setxyz(29,n.r,n.g,n.b),o.setxyz(30,n.r,n.g,n.b),o.setxyz(31,n.r,n.g,n.b),o.setxyz(32,r.r,r.g,r.b),o.setxyz(33,r.r,r.g,r.b),o.setxyz(34,r.r,r.g,r.b),o.setxyz(35,r.r,r.g,r.b),o.setxyz(36,r.r,r.g,r.b),o.setxyz(37,r.r,r.g,r.b),o.setxyz(38,i.r,i.g,i.b),o.setxyz(39,i.r,i.g,i.b),o.setxyz(40,a.r,a.g,a.b),o.setxyz(41,a.r,a.g,a.b),o.setxyz(42,a.r,a.g,a.b),o.setxyz(43,a.r,a.g,a.b),o.setxyz(44,a.r,a.g,a.b),o.setxyz(45,a.r,a.g,a.b),o.setxyz(46,a.r,a.g,a.b),o.setxyz(47,a.r,a.g,a.b),o.setxyz(48,a.r,a.g,a.b),o.setxyz(49,a.r,a.g,a.b),o.needsupdate=!0}update(){let e=this.geometry,n=this.pointmap;hd.projectionmatrixinverse.copy(this.camera.projectionmatrixinverse),hf("c",n,e,hd,0,0,-1),hf("t",n,e,hd,0,0,1),hf("n1",n,e,hd,-1,-1,-1),hf("n2",n,e,hd,1,-1,-1),hf("n3",n,e,hd,-1,1,-1),hf("n4",n,e,hd,1,1,-1),hf("f1",n,e,hd,-1,-1,1),hf("f2",n,e,hd,1,-1,1),hf("f3",n,e,hd,-1,1,1),hf("f4",n,e,hd,1,1,1),hf("u1",n,e,hd,.7,1.1,-1),hf("u2",n,e,hd,-.7,1.1,-1),hf("u3",n,e,hd,0,2,-1),hf("cf1",n,e,hd,-1,0,1),hf("cf2",n,e,hd,1,0,1),hf("cf3",n,e,hd,0,-1,1),hf("cf4",n,e,hd,0,1,1),hf("cn1",n,e,hd,-1,0,-1),hf("cn2",n,e,hd,1,0,-1),hf("cn3",n,e,hd,0,-1,-1),hf("cn4",n,e,hd,0,1,-1),e.getattribute("position").needsupdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function hf(e,n,r,i,a,s,o){hh.set(a,s,o).unproject(i);let l=n[e];if(void 0!==l){let e=r.getattribute("position");for(let n=0,r=l.length;n<r;n++)e.setxyz(l[n],hh.x,hh.y,hh.z)}}let hm=new nz;class hg extends oj{constructor(e,n=16776960){let r=new uint16array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new float32array(24),a=new id;a.setindex(new r3(r,1)),a.setattribute("position",new r3(i,3)),super(a,new of({color:n,tonemapped:!1})),this.object=e,this.type="boxhelper",this.matrixautoupdate=!1,this.update()}update(e){if(void 0!==e&&console.warn("three.boxhelper: .update() has no longer arguments."),void 0!==this.object&&hm.setfromobject(this.object),hm.isempty())return;let n=hm.min,r=hm.max,i=this.geometry.attributes.position,a=i.array;a[0]=r.x,a[1]=r.y,a[2]=r.z,a[3]=n.x,a[4]=r.y,a[5]=r.z,a[6]=n.x,a[7]=n.y,a[8]=r.z,a[9]=r.x,a[10]=n.y,a[11]=r.z,a[12]=r.x,a[13]=r.y,a[14]=n.z,a[15]=n.x,a[16]=r.y,a[17]=n.z,a[18]=n.x,a[19]=n.y,a[20]=n.z,a[21]=r.x,a[22]=n.y,a[23]=n.z,i.needsupdate=!0,this.geometry.computeboundingsphere()}setfromobject(e){return this.object=e,this.update(),this}copy(e,n){return super.copy(e,n),this.object=e.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class hv extends oj{constructor(e,n=16776960){let r=new uint16array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new id;i.setindex(new r3(r,1)),i.setattribute("position",new ir([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(i,new of({color:n,tonemapped:!1})),this.box=e,this.type="box3helper",this.geometry.computeboundingsphere()}updatematrixworld(e){let n=this.box;n.isempty()||(n.getcenter(this.position),n.getsize(this.scale),this.scale.multiplyscalar(.5),super.updatematrixworld(e))}dispose(){this.geometry.dispose(),this.material.dispose()}}class hy extends ou{constructor(e,n=1,r=16776960){let i=new id;i.setattribute("position",new ir([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),i.computeboundingsphere(),super(i,new of({color:r,tonemapped:!1})),this.type="planehelper",this.plane=e,this.size=n;let a=new id;a.setattribute("position",new ir([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),a.computeboundingsphere(),this.add(new ie(a,new r0({color:r,opacity:.2,transparent:!0,depthwrite:!1,tonemapped:!1})))}updatematrixworld(e){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookat(this.plane.normal),this.translatez(-this.plane.constant),super.updatematrixworld(e)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}let hx=new ny;class h_ extends rg{constructor(e=new ny(0,0,1),n=new ny(0,0,0),r=1,i=16776960,a=.2*r,s=.2*a){super(),this.type="arrowhelper",void 0===o&&((o=new id).setattribute("position",new ir([0,0,0,0,1,0],3)),(l=new lx(0,.5,1,5,1)).translate(0,-.5,0)),this.position.copy(n),this.line=new ou(o,new of({color:i,tonemapped:!1})),this.line.matrixautoupdate=!1,this.add(this.line),this.cone=new ie(l,new r0({color:i,tonemapped:!1})),this.cone.matrixautoupdate=!1,this.add(this.cone),this.setdirection(e),this.setlength(r,a,s)}setdirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{hx.set(e.z,0,-e.x).normalize();let n=math.acos(e.y);this.quaternion.setfromaxisangle(hx,n)}}setlength(e,n=.2*e,r=.2*n){this.line.scale.set(1,math.max(1e-4,e-n),1),this.line.updatematrix(),this.cone.scale.set(r,n,r),this.cone.position.y=e,this.cone.updatematrix()}setcolor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ha extends oj{constructor(e=1){let n=new id;n.setattribute("position",new ir([0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],3)),n.setattribute("color",new ir([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));let r=new of({vertexcolors:!0,tonemapped:!1});super(n,r),this.type="axeshelper"}setcolors(e,n,r){let i=new nf,a=this.geometry.attributes.color.array;return i.set(e),i.toarray(a,0),i.toarray(a,3),i.set(n),i.toarray(a,6),i.toarray(a,9),i.set(r),i.toarray(a,12),i.toarray(a,15),this.geometry.attributes.color.needsupdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class hb{constructor(){this.type="shapepath",this.color=new nf,this.subpaths=[],this.currentpath=null}moveto(e,n){return this.currentpath=new lm,this.subpaths.push(this.currentpath),this.currentpath.moveto(e,n),this}lineto(e,n){return this.currentpath.lineto(e,n),this}quadraticcurveto(e,n,r,i){return this.currentpath.quadraticcurveto(e,n,r,i),this}beziercurveto(e,n,r,i,a,s){return this.currentpath.beziercurveto(e,n,r,i,a,s),this}splinethru(e){return this.currentpath.splinethru(e),this}toshapes(e){let n,r,i,a,s;let o=lw.isclockwise,l=this.subpaths;if(0===l.length)return[];let u=[];if(1===l.length)return r=l[0],(i=new lt).curves=r.curves,u.push(i),u;let c=!o(l[0].getpoints());c=e?!c:c;let h=[],d=[],p=[],f=0;d[0]=void 0,p[f]=[];for(let i=0,s=l.length;i<s;i++)n=o(a=(r=l[i]).getpoints()),(n=e?!n:n)?(!c&&d[f]&&f++,d[f]={s:new lt,p:a},d[f].s.curves=r.curves,c&&f++,p[f]=[]):p[f].push({h:r,p:a[0]});if(!d[0])return function(e){let n=[];for(let r=0,i=e.length;r<i;r++){let i=e[r],a=new lt;a.curves=i.curves,n.push(a)}return n}(l);if(d.length>1){let e=!1,n=0;for(let e=0,n=d.length;e<n;e++)h[e]=[];for(let r=0,i=d.length;r<i;r++){let i=p[r];for(let a=0;a<i.length;a++){let s=i[a],o=!0;for(let i=0;i<d.length;i++)(function(e,n){let r=n.length,i=!1;for(let a=r-1,s=0;s<r;a=s++){let r=n[a],o=n[s],l=o.x-r.x,u=o.y-r.y;if(math.abs(u)>number.epsilon){if(u<0&&(r=n[s],l=-l,o=n[a],u=-u),e.y<r.y||e.y>o.y)continue;if(e.y===r.y){if(e.x===r.x)return!0}else{let n=u*(e.x-r.x)-l*(e.y-r.y);if(0===n)return!0;if(n<0)continue;i=!i}}else{if(e.y!==r.y)continue;if(o.x<=e.x&&e.x<=r.x||r.x<=e.x&&e.x<=o.x)return!0}}return i})(s.p,d[i].p)&&(r!==i&&n++,o?(o=!1,h[i].push(s)):e=!0);o&&h[r].push(s)}}n>0&&!1===e&&(p=h)}for(let e=0,n=d.length;e<n;e++){i=d[e].s,u.push(i),s=p[e];for(let e=0,n=s.length;e<n;e++)i.holes.push(s[e].h)}return u}}let hm=function(){let e=new arraybuffer(4),n=new float32array(e),r=new uint32array(e),i=new uint32array(512),a=new uint32array(512);for(let e=0;e<256;++e){let n=e-127;n<-27?(i[e]=0,i[256|e]=32768,a[e]=24,a[256|e]=24):n<-14?(i[e]=1024>>-n-14,i[256|e]=1024>>-n-14|32768,a[e]=-n-1,a[256|e]=-n-1):n<=15?(i[e]=n+15<<10,i[256|e]=n+15<<10|32768,a[e]=13,a[256|e]=13):n<128?(i[e]=31744,i[256|e]=64512,a[e]=24,a[256|e]=24):(i[e]=31744,i[256|e]=64512,a[e]=13,a[256|e]=13)}let s=new uint32array(2048),o=new uint32array(64),l=new uint32array(64);for(let e=1;e<1024;++e){let n=e<<13,r=0;for(;(8388608&n)==0;)n<<=1,r-=8388608;n&=-8388609,r+=947912704,s[e]=n|r}for(let e=1024;e<2048;++e)s[e]=939524096+(e-1024<<13);for(let e=1;e<31;++e)o[e]=e<<23;o[31]=1199570944,o[32]=2147483648;for(let e=33;e<63;++e)o[e]=2147483648+(e-32<<23);o[63]=3347054592;for(let e=1;e<64;++e)32!==e&&(l[e]=1024);return{floatview:n,uint32view:r,basetable:i,shifttable:a,mantissatable:s,exponenttable:o,offsettable:l}}();var hs=object.freeze({__proto__:null,fromhalffloat:function(e){let n=e>>10;return hm.uint32view[0]=hm.mantissatable[hm.offsettable[n]+(1023&e)]+hm.exponenttable[n],hm.floatview[0]},tohalffloat:function(e){math.abs(e)>65504&&console.warn("three.datautils.tohalffloat(): value out of range."),e=nu(e,-65504,65504),hm.floatview[0]=e;let n=hm.uint32view[0],r=n>>23&511;return hm.basetable[r]+((8388607&n)>>hm.shifttable[r])}});class hw extends ib{constructor(e,n,r,i,a,s){console.warn("three.boxbuffergeometry has been renamed to three.boxgeometry."),super(e,n,r,i,a,s)}}class hc extends lv{constructor(e,n,r,i){console.warn("three.capsulebuffergeometry has been renamed to three.capsulegeometry."),super(e,n,r,i)}}class he extends ly{constructor(e,n,r,i){console.warn("three.circlebuffergeometry has been renamed to three.circlegeometry."),super(e,n,r,i)}}class ht extends l_{constructor(e,n,r,i,a,s,o){console.warn("three.conebuffergeometry has been renamed to three.conegeometry."),super(e,n,r,i,a,s,o)}}class hb extends lx{constructor(e,n,r,i,a,s,o,l){console.warn("three.cylinderbuffergeometry has been renamed to three.cylindergeometry."),super(e,n,r,i,a,s,o,l)}}class hp extends lb{constructor(e,n){console.warn("three.dodecahedronbuffergeometry has been renamed to three.dodecahedrongeometry."),super(e,n)}}class hr extends lk{constructor(e,n){console.warn("three.extrudebuffergeometry has been renamed to three.extrudegeometry."),super(e,n)}}class hl extends lq{constructor(e,n){console.warn("three.icosahedronbuffergeometry has been renamed to three.icosahedrongeometry."),super(e,n)}}class hi extends lg{constructor(e,n,r,i){console.warn("three.lathebuffergeometry has been renamed to three.lathegeometry."),super(e,n,r,i)}}class hd extends lq{constructor(e,n){console.warn("three.octahedronbuffergeometry has been renamed to three.octahedrongeometry."),super(e,n)}}class hf extends iy{constructor(e,n,r,i){console.warn("three.planebuffergeometry has been renamed to three.planegeometry."),super(e,n,r,i)}}class ho extends la{constructor(e,n,r,i){console.warn("three.polyhedronbuffergeometry has been renamed to three.polyhedrongeometry."),super(e,n,r,i)}}class hn extends lz{constructor(e,n,r,i,a,s){console.warn("three.ringbuffergeometry has been renamed to three.ringgeometry."),super(e,n,r,i,a,s)}}class hk extends l${constructor(e,n){console.warn("three.shapebuffergeometry has been renamed to three.shapegeometry."),super(e,n)}}class hh extends l0{constructor(e,n,r,i,a,s,o){console.warn("three.spherebuffergeometry has been renamed to three.spheregeometry."),super(e,n,r,i,a,s,o)}}class hg extends l1{constructor(e,n){console.warn("three.tetrahedronbuffergeometry has been renamed to three.tetrahedrongeometry."),super(e,n)}}class hu extends l2{constructor(e,n,r,i,a){console.warn("three.torusbuffergeometry has been renamed to three.torusgeometry."),super(e,n,r,i,a)}}class hz extends l3{constructor(e,n,r,i,a,s){console.warn("three.torusknotbuffergeometry has been renamed to three.torusknotgeometry."),super(e,n,r,i,a,s)}}class hv extends l4{constructor(e,n,r,i,a){console.warn("three.tubebuffergeometry has been renamed to three.tubegeometry."),super(e,n,r,i,a)}}"undefined"!=typeof __three_devtools__&&__three_devtools__.dispatchevent(new customevent("register",{detail:{revision:u}})),"undefined"!=typeof window&&(window.__three__?console.warn("warning: multiple instances of three.js being imported."):window.__three__=u)}},function(e){var n=function(n){return e(e.s=n)};e.o(0,[774,179],function(){return n(6840),n(880)}),_n_e=e.o()}]);