1 line
43 KiB
JavaScript
1 line
43 KiB
JavaScript
import{$ as e,A as t,B as n,Bt as r,C as i,Ct as a,Dt as o,E as s,Ft as c,G as l,H as u,Ht as d,I as f,K as p,L as m,M as h,Mt as g,N as _,O as v,Ot as ee,P as te,Pt as y,R as ne,U as re,V as ie,W as ae,X as b,Z as oe,_t as se,at as x,bt as ce,ct as le,dt as ue,et as de,f as fe,ft as pe,gt as me,ht as he,it as S,k as ge,kt as _e,l as C,lt as ve,m as w,o as ye,ot as be,p as T,pt as xe,q as E,r as Se,s as Ce,st as we,tt as D,u as Te,ut as O,vt as Ee,wt as k,x as De,yt as A,z as Oe,zt as j}from"./three.module-BFsVh7r1.js";function M(e,t){if(t===0)return console.warn(`THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles.`),e;if(t===2||t===1){let n=e.getIndex();if(n===null){let t=[],r=e.getAttribute(`position`);if(r!==void 0){for(let e=0;e<r.count;e++)t.push(e);e.setIndex(t),n=e.getIndex()}else return console.error(`THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.`),e}let r=n.count-2,i=[];if(t===2)for(let e=1;e<=r;e++)i.push(n.getX(0)),i.push(n.getX(e)),i.push(n.getX(e+1));else for(let e=0;e<r;e++)e%2==0?(i.push(n.getX(e)),i.push(n.getX(e+1)),i.push(n.getX(e+2))):(i.push(n.getX(e+2)),i.push(n.getX(e+1)),i.push(n.getX(e)));i.length/3!==r&&console.error(`THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.`);let a=e.clone();return a.setIndex(i),a.clearGroups(),a}else return console.error(`THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:`,t),e}function ke(e){let t=new Map,n=new Map,r=e.clone();return N(e,r,function(e,r){t.set(r,e),n.set(e,r)}),r.traverse(function(e){if(!e.isSkinnedMesh)return;let r=e,i=t.get(e),a=i.skeleton.bones;r.skeleton=i.skeleton.clone(),r.bindMatrix.copy(i.bindMatrix),r.skeleton.bones=a.map(function(e){return n.get(e)}),r.bind(r.skeleton,r.bindMatrix)}),r}function N(e,t,n){n(e,t);for(let r=0;r<e.children.length;r++)N(e.children[r],t.children[r],n)}var Ae=class extends p{constructor(e){super(e),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register(function(e){return new Fe(e)}),this.register(function(e){return new Ie(e)}),this.register(function(e){return new Ge(e)}),this.register(function(e){return new Ke(e)}),this.register(function(e){return new qe(e)}),this.register(function(e){return new Re(e)}),this.register(function(e){return new ze(e)}),this.register(function(e){return new Be(e)}),this.register(function(e){return new Ve(e)}),this.register(function(e){return new Pe(e)}),this.register(function(e){return new He(e)}),this.register(function(e){return new Le(e)}),this.register(function(e){return new We(e)}),this.register(function(e){return new Ue(e)}),this.register(function(e){return new Me(e)}),this.register(function(e){return new I(e,F.EXT_MESHOPT_COMPRESSION)}),this.register(function(e){return new I(e,F.KHR_MESHOPT_COMPRESSION)}),this.register(function(e){return new Je(e)})}load(e,t,n,r){let a=this,o;if(this.resourcePath!==``)o=this.resourcePath;else if(this.path!==``){let t=E.extractUrlBase(e);o=E.resolveURL(t,this.path)}else o=E.extractUrlBase(e);this.manager.itemStart(e);let s=function(t){r?r(t):console.error(t),a.manager.itemError(e),a.manager.itemEnd(e)},c=new i(this.manager);c.setPath(this.path),c.setResponseType(`arraybuffer`),c.setRequestHeader(this.requestHeader),c.setWithCredentials(this.withCredentials),c.load(e,function(n){try{a.parse(n,o,function(n){t(n),a.manager.itemEnd(e)},s)}catch(e){s(e)}},n,s)}setDRACOLoader(e){return this.dracoLoader=e,this}setKTX2Loader(e){return this.ktx2Loader=e,this}setMeshoptDecoder(e){return this.meshoptDecoder=e,this}register(e){return this.pluginCallbacks.indexOf(e)===-1&&this.pluginCallbacks.push(e),this}unregister(e){return this.pluginCallbacks.indexOf(e)!==-1&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(e),1),this}parse(e,t,n,r){let i,a={},o={},s=new TextDecoder;if(typeof e==`string`)i=JSON.parse(e);else if(e instanceof ArrayBuffer)if(s.decode(new Uint8Array(e,0,4))===L){try{a[F.KHR_BINARY_GLTF]=new Ye(e)}catch(e){r&&r(e);return}i=JSON.parse(a[F.KHR_BINARY_GLTF].content)}else i=JSON.parse(s.decode(e));else i=e;if(i.asset===void 0||i.asset.version[0]<2){r&&r(Error(`THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.`));return}let c=new ct(i,{path:t||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 t=this.pluginCallbacks[e](c);t.name||console.error(`THREE.GLTFLoader: Invalid plugin found: missing name`),o[t.name]=t,a[t.name]=!0}if(i.extensionsUsed)for(let e=0;e<i.extensionsUsed.length;++e){let t=i.extensionsUsed[e],n=i.extensionsRequired||[];switch(t){case F.KHR_MATERIALS_UNLIT:a[t]=new Ne;break;case F.KHR_DRACO_MESH_COMPRESSION:a[t]=new Xe(i,this.dracoLoader);break;case F.KHR_TEXTURE_TRANSFORM:a[t]=new Ze;break;case F.KHR_MESH_QUANTIZATION:a[t]=new Qe;break;default:n.indexOf(t)>=0&&o[t]===void 0&&console.warn(`THREE.GLTFLoader: Unknown extension "`+t+`".`)}}c.setExtensions(a),c.setPlugins(o),c.parse(n,r)}parseAsync(e,t){let n=this;return new Promise(function(r,i){n.parse(e,t,r,i)})}};function je(){let e={};return{get:function(t){return e[t]},add:function(t,n){e[t]=n},remove:function(t){delete e[t]},removeAll:function(){e={}}}}function P(e,t,n){let r=e.json.materials[t];return r.extensions&&r.extensions[n]?r.extensions[n]:null}var F={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_DISPERSION:`KHR_materials_dispersion`,KHR_MATERIALS_IOR:`KHR_materials_ior`,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_ANISOTROPY:`KHR_materials_anisotropy`,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_MATERIALS_BUMP:`EXT_materials_bump`,EXT_TEXTURE_WEBP:`EXT_texture_webp`,EXT_TEXTURE_AVIF:`EXT_texture_avif`,EXT_MESHOPT_COMPRESSION:`EXT_meshopt_compression`,KHR_MESHOPT_COMPRESSION:`KHR_meshopt_compression`,EXT_MESH_GPU_INSTANCING:`EXT_mesh_gpu_instancing`},Me=class{constructor(e){this.parser=e,this.name=F.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){let e=this.parser,t=this.parser.json.nodes||[];for(let n=0,r=t.length;n<r;n++){let r=t[n];r.extensions&&r.extensions[this.name]&&r.extensions[this.name].light!==void 0&&e._addNodeRef(this.cache,r.extensions[this.name].light)}}_loadLight(e){let t=this.parser,n=`light:`+e,r=t.cache.get(n);if(r)return r;let i=t.json,a=((i.extensions&&i.extensions[this.name]||{}).lights||[])[e],o,s=new T(16777215);a.color!==void 0&&s.setRGB(a.color[0],a.color[1],a.color[2],l);let c=a.range===void 0?0:a.range;switch(a.type){case`directional`:o=new De(s),o.target.position.set(0,0,-1),o.add(o.target);break;case`point`:o=new he(s),o.distance=c;break;case`spot`:o=new g(s),o.distance=c,a.spot=a.spot||{},a.spot.innerConeAngle=a.spot.innerConeAngle===void 0?0:a.spot.innerConeAngle,a.spot.outerConeAngle=a.spot.outerConeAngle===void 0?Math.PI/4:a.spot.outerConeAngle,o.angle=a.spot.outerConeAngle,o.penumbra=1-a.spot.innerConeAngle/a.spot.outerConeAngle,o.target.position.set(0,0,-1),o.add(o.target);break;default:throw Error(`THREE.GLTFLoader: Unexpected light type: `+a.type)}return o.position.set(0,0,0),X(o,a),a.intensity!==void 0&&(o.intensity=a.intensity),o.name=t.createUniqueName(a.name||`light_`+e),r=Promise.resolve(o),t.cache.add(n,r),r}getDependency(e,t){if(e===`light`)return this._loadLight(t)}createNodeAttachment(e){let t=this,n=this.parser,r=n.json.nodes[e],i=(r.extensions&&r.extensions[this.name]||{}).light;return i===void 0?null:this._loadLight(i).then(function(e){return n._getNodeRef(t.cache,i,e)})}},Ne=class{constructor(){this.name=F.KHR_MATERIALS_UNLIT}getMaterialType(){return D}extendParams(e,t,n){let r=[];e.color=new T(1,1,1),e.opacity=1;let i=t.pbrMetallicRoughness;if(i){if(Array.isArray(i.baseColorFactor)){let t=i.baseColorFactor;e.color.setRGB(t[0],t[1],t[2],l),e.opacity=t[3]}i.baseColorTexture!==void 0&&r.push(n.assignTexture(e,`map`,i.baseColorTexture,k))}return Promise.all(r)}},Pe=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);return n===null||n.emissiveStrength!==void 0&&(t.emissiveIntensity=n.emissiveStrength),Promise.resolve()}},Fe=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_CLEARCOAT}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];if(n.clearcoatFactor!==void 0&&(t.clearcoat=n.clearcoatFactor),n.clearcoatTexture!==void 0&&r.push(this.parser.assignTexture(t,`clearcoatMap`,n.clearcoatTexture)),n.clearcoatRoughnessFactor!==void 0&&(t.clearcoatRoughness=n.clearcoatRoughnessFactor),n.clearcoatRoughnessTexture!==void 0&&r.push(this.parser.assignTexture(t,`clearcoatRoughnessMap`,n.clearcoatRoughnessTexture)),n.clearcoatNormalTexture!==void 0&&(r.push(this.parser.assignTexture(t,`clearcoatNormalMap`,n.clearcoatNormalTexture)),n.clearcoatNormalTexture.scale!==void 0)){let e=n.clearcoatNormalTexture.scale;t.clearcoatNormalScale=new j(e,e)}return Promise.all(r)}},Ie=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_DISPERSION}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);return n===null||(t.dispersion=n.dispersion===void 0?0:n.dispersion),Promise.resolve()}},Le=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_IRIDESCENCE}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];return n.iridescenceFactor!==void 0&&(t.iridescence=n.iridescenceFactor),n.iridescenceTexture!==void 0&&r.push(this.parser.assignTexture(t,`iridescenceMap`,n.iridescenceTexture)),n.iridescenceIor!==void 0&&(t.iridescenceIOR=n.iridescenceIor),t.iridescenceThicknessRange===void 0&&(t.iridescenceThicknessRange=[100,400]),n.iridescenceThicknessMinimum!==void 0&&(t.iridescenceThicknessRange[0]=n.iridescenceThicknessMinimum),n.iridescenceThicknessMaximum!==void 0&&(t.iridescenceThicknessRange[1]=n.iridescenceThicknessMaximum),n.iridescenceThicknessTexture!==void 0&&r.push(this.parser.assignTexture(t,`iridescenceThicknessMap`,n.iridescenceThicknessTexture)),Promise.all(r)}},Re=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_SHEEN}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];if(t.sheenColor=new T(0,0,0),t.sheenRoughness=0,t.sheen=1,n.sheenColorFactor!==void 0){let e=n.sheenColorFactor;t.sheenColor.setRGB(e[0],e[1],e[2],l)}return n.sheenRoughnessFactor!==void 0&&(t.sheenRoughness=n.sheenRoughnessFactor),n.sheenColorTexture!==void 0&&r.push(this.parser.assignTexture(t,`sheenColorMap`,n.sheenColorTexture,k)),n.sheenRoughnessTexture!==void 0&&r.push(this.parser.assignTexture(t,`sheenRoughnessMap`,n.sheenRoughnessTexture)),Promise.all(r)}},ze=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_TRANSMISSION}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];return n.transmissionFactor!==void 0&&(t.transmission=n.transmissionFactor),n.transmissionTexture!==void 0&&r.push(this.parser.assignTexture(t,`transmissionMap`,n.transmissionTexture)),Promise.all(r)}},Be=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_VOLUME}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];t.thickness=n.thicknessFactor===void 0?0:n.thicknessFactor,n.thicknessTexture!==void 0&&r.push(this.parser.assignTexture(t,`thicknessMap`,n.thicknessTexture)),t.attenuationDistance=n.attenuationDistance||1/0;let i=n.attenuationColor||[1,1,1];return t.attenuationColor=new T().setRGB(i[0],i[1],i[2],l),Promise.all(r)}},Ve=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_IOR}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);return n===null?Promise.resolve():(t.ior=n.ior===void 0?1.5:n.ior,t.ior===0&&(t.ior=1e3),Promise.resolve())}},He=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_SPECULAR}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];t.specularIntensity=n.specularFactor===void 0?1:n.specularFactor,n.specularTexture!==void 0&&r.push(this.parser.assignTexture(t,`specularIntensityMap`,n.specularTexture));let i=n.specularColorFactor||[1,1,1];return t.specularColor=new T().setRGB(i[0],i[1],i[2],l),n.specularColorTexture!==void 0&&r.push(this.parser.assignTexture(t,`specularColorMap`,n.specularColorTexture,k)),Promise.all(r)}},Ue=class{constructor(e){this.parser=e,this.name=F.EXT_MATERIALS_BUMP}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];return t.bumpScale=n.bumpFactor===void 0?1:n.bumpFactor,n.bumpTexture!==void 0&&r.push(this.parser.assignTexture(t,`bumpMap`,n.bumpTexture)),Promise.all(r)}},We=class{constructor(e){this.parser=e,this.name=F.KHR_MATERIALS_ANISOTROPY}getMaterialType(e){return P(this.parser,e,this.name)===null?null:S}extendMaterialParams(e,t){let n=P(this.parser,e,this.name);if(n===null)return Promise.resolve();let r=[];return n.anisotropyStrength!==void 0&&(t.anisotropy=n.anisotropyStrength),n.anisotropyRotation!==void 0&&(t.anisotropyRotation=n.anisotropyRotation),n.anisotropyTexture!==void 0&&r.push(this.parser.assignTexture(t,`anisotropyMap`,n.anisotropyTexture)),Promise.all(r)}},Ge=class{constructor(e){this.parser=e,this.name=F.KHR_TEXTURE_BASISU}loadTexture(e){let t=this.parser,n=t.json,r=n.textures[e];if(!r.extensions||!r.extensions[this.name])return null;let i=r.extensions[this.name],a=t.options.ktx2Loader;if(!a){if(n.extensionsRequired&&n.extensionsRequired.indexOf(this.name)>=0)throw Error(`THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures`);return null}return t.loadTextureImage(e,i.source,a)}},Ke=class{constructor(e){this.parser=e,this.name=F.EXT_TEXTURE_WEBP}loadTexture(e){let t=this.name,n=this.parser,r=n.json,i=r.textures[e];if(!i.extensions||!i.extensions[t])return null;let a=i.extensions[t],o=r.images[a.source],s=n.textureLoader;if(o.uri){let e=n.options.manager.getHandler(o.uri);e!==null&&(s=e)}return n.loadTextureImage(e,a.source,s)}},qe=class{constructor(e){this.parser=e,this.name=F.EXT_TEXTURE_AVIF}loadTexture(e){let t=this.name,n=this.parser,r=n.json,i=r.textures[e];if(!i.extensions||!i.extensions[t])return null;let a=i.extensions[t],o=r.images[a.source],s=n.textureLoader;if(o.uri){let e=n.options.manager.getHandler(o.uri);e!==null&&(s=e)}return n.loadTextureImage(e,a.source,s)}},I=class{constructor(e,t){this.name=t,this.parser=e}loadBufferView(e){let t=this.parser.json,n=t.bufferViews[e];if(n.extensions&&n.extensions[this.name]){let e=n.extensions[this.name],r=this.parser.getDependency(`buffer`,e.buffer),i=this.parser.options.meshoptDecoder;if(!i||!i.supported){if(t.extensionsRequired&&t.extensionsRequired.indexOf(this.name)>=0)throw Error(`THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files`);return null}return r.then(function(t){let n=e.byteOffset||0,r=e.byteLength||0,a=e.count,o=e.byteStride,s=new Uint8Array(t,n,r);return i.decodeGltfBufferAsync?i.decodeGltfBufferAsync(a,o,s,e.mode,e.filter).then(function(e){return e.buffer}):i.ready.then(function(){let t=new ArrayBuffer(a*o);return i.decodeGltfBuffer(new Uint8Array(t),a,o,s,e.mode,e.filter),t})})}else return null}},Je=class{constructor(e){this.name=F.EXT_MESH_GPU_INSTANCING,this.parser=e}createNodeMesh(n){let i=this.parser.json,a=i.nodes[n];if(!a.extensions||!a.extensions[this.name]||a.mesh===void 0)return null;let o=i.meshes[a.mesh];for(let e of o.primitives)if(e.mode!==V.TRIANGLES&&e.mode!==V.TRIANGLE_STRIP&&e.mode!==V.TRIANGLE_FAN&&e.mode!==void 0)return null;let s=a.extensions[this.name].attributes,c=[],l={};for(let e in s)c.push(this.parser.getDependency(`accessor`,s[e]).then(t=>(l[e]=t,l[e])));return c.length<1?null:(c.push(this.parser.createNodeMesh(n)),Promise.all(c).then(n=>{let i=n.pop(),a=i.isGroup?i.children:[i],o=n[0].count,s=[];for(let n of a){let i=new e,a=new r,c=new A,u=new r(1,1,1),d=new t(n.geometry,n.material,o);for(let e=0;e<o;e++)l.TRANSLATION&&a.fromBufferAttribute(l.TRANSLATION,e),l.ROTATION&&c.fromBufferAttribute(l.ROTATION,e),l.SCALE&&u.fromBufferAttribute(l.SCALE,e),d.setMatrixAt(e,i.compose(a,c,u));for(let e in l)if(e===`_COLOR_0`){let t=l[e];d.instanceColor=new ge(t.array,t.itemSize,t.normalized)}else e!==`TRANSLATION`&&e!==`ROTATION`&&e!==`SCALE`&&n.geometry.setAttribute(e,l[e]);ue.prototype.copy.call(d,n),this.parser.assignFinalMaterial(d),s.push(d)}return i.isGroup?(i.clear(),i.add(...s),i):s[0]}))}},L=`glTF`,R=12,z={JSON:1313821514,BIN:5130562},Ye=class{constructor(e){this.name=F.KHR_BINARY_GLTF,this.content=null,this.body=null;let t=new DataView(e,0,R),n=new TextDecoder;if(this.header={magic:n.decode(new Uint8Array(e.slice(0,4))),version:t.getUint32(4,!0),length:t.getUint32(8,!0)},this.header.magic!==L)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-R,i=new DataView(e,R),a=0;for(;a<r;){let t=i.getUint32(a,!0);a+=4;let r=i.getUint32(a,!0);if(a+=4,r===z.JSON){let r=new Uint8Array(e,R+a,t);this.content=n.decode(r)}else if(r===z.BIN){let n=R+a;this.body=e.slice(n,n+t)}a+=t}if(this.content===null)throw Error(`THREE.GLTFLoader: JSON content not found.`)}},Xe=class{constructor(e,t){if(!t)throw Error(`THREE.GLTFLoader: No DRACOLoader instance provided.`);this.name=F.KHR_DRACO_MESH_COMPRESSION,this.json=e,this.dracoLoader=t,this.dracoLoader.preload()}decodePrimitive(e,t){let n=this.json,r=this.dracoLoader,i=e.extensions[this.name].bufferView,a=e.extensions[this.name].attributes,o={},s={},c={};for(let e in a){let t=K[e]||e.toLowerCase();o[t]=a[e]}for(let t in e.attributes){let r=K[t]||t.toLowerCase();if(a[t]!==void 0){let i=n.accessors[e.attributes[t]];c[r]=H[i.componentType].name,s[r]=i.normalized===!0}}return t.getDependency(`bufferView`,i).then(function(e){return new Promise(function(t,n){r.decodeDracoFile(e,function(e){for(let t in e.attributes){let n=e.attributes[t],r=s[t];r!==void 0&&(n.normalized=r)}t(e)},o,c,l,n)})})}},Ze=class{constructor(){this.name=F.KHR_TEXTURE_TRANSFORM}extendTexture(e,t){return(t.texCoord===void 0||t.texCoord===e.channel)&&t.offset===void 0&&t.rotation===void 0&&t.scale===void 0?e:(e=e.clone(),t.texCoord!==void 0&&(e.channel=t.texCoord),t.offset!==void 0&&e.offset.fromArray(t.offset),t.rotation!==void 0&&(e.rotation=t.rotation),t.scale!==void 0&&e.repeat.fromArray(t.scale),e.needsUpdate=!0,e)}},Qe=class{constructor(){this.name=F.KHR_MESH_QUANTIZATION}},B=class extends te{constructor(e,t,n,r){super(e,t,n,r)}copySampleValue_(e){let t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r*3+r;for(let e=0;e!==r;e++)t[e]=n[i+e];return t}interpolate_(e,t,n,r){let i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=o*2,c=o*3,l=r-t,u=(n-t)/l,d=u*u,f=d*u,p=e*c,m=p-c,h=-2*f+3*d,g=f-d,_=1-h,v=g-d+u;for(let e=0;e!==o;e++){let t=a[m+e+o],n=a[m+e+s]*l,r=a[p+e+o],c=a[p+e]*l;i[e]=_*t+v*n+h*r+g*c}return i}},$e=new A,et=class extends B{interpolate_(e,t,n,r){let i=super.interpolate_(e,t,n,r);return $e.fromArray(i).normalize().toArray(i),i}},V={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},H={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},U={9728:we,9729:u,9984:ve,9985:ae,9986:le,9987:re},W={33071:fe,33648:be,10497:a},G={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},K={POSITION:`position`,NORMAL:`normal`,TANGENT:`tangent`,TEXCOORD_0:`uv`,TEXCOORD_1:`uv1`,TEXCOORD_2:`uv2`,TEXCOORD_3:`uv3`,COLOR_0:`color`,WEIGHTS_0:`skinWeight`,JOINTS_0:`skinIndex`},q={scale:`scale`,translation:`position`,rotation:`quaternion`,weights:`morphTargetInfluences`},tt={CUBICSPLINE:void 0,LINEAR:m,STEP:f},J={OPAQUE:`OPAQUE`,MASK:`MASK`,BLEND:`BLEND`};function nt(e){return e.DefaultMaterial===void 0&&(e.DefaultMaterial=new x({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),e.DefaultMaterial}function Y(e,t,n){for(let r in n.extensions)e[r]===void 0&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[r]=n.extensions[r])}function X(e,t){t.extras!==void 0&&(typeof t.extras==`object`?Object.assign(e.userData,t.extras):console.warn(`THREE.GLTFLoader: Ignoring primitive type .extras, `+t.extras))}function rt(e,t,n){let r=!1,i=!1,a=!1;for(let e=0,n=t.length;e<n;e++){let n=t[e];if(n.POSITION!==void 0&&(r=!0),n.NORMAL!==void 0&&(i=!0),n.COLOR_0!==void 0&&(a=!0),r&&i&&a)break}if(!r&&!i&&!a)return Promise.resolve(e);let o=[],s=[],c=[];for(let l=0,u=t.length;l<u;l++){let u=t[l];if(r){let t=u.POSITION===void 0?e.attributes.position:n.getDependency(`accessor`,u.POSITION);o.push(t)}if(i){let t=u.NORMAL===void 0?e.attributes.normal:n.getDependency(`accessor`,u.NORMAL);s.push(t)}if(a){let t=u.COLOR_0===void 0?e.attributes.color:n.getDependency(`accessor`,u.COLOR_0);c.push(t)}}return Promise.all([Promise.all(o),Promise.all(s),Promise.all(c)]).then(function(t){let n=t[0],o=t[1],s=t[2];return r&&(e.morphAttributes.position=n),i&&(e.morphAttributes.normal=o),a&&(e.morphAttributes.color=s),e.morphTargetsRelative=!0,e})}function it(e,t){if(e.updateMorphTargets(),t.weights!==void 0)for(let n=0,r=t.weights.length;n<r;n++)e.morphTargetInfluences[n]=t.weights[n];if(t.extras&&Array.isArray(t.extras.targetNames)){let n=t.extras.targetNames;if(e.morphTargetInfluences.length===n.length){e.morphTargetDictionary={};for(let t=0,r=n.length;t<r;t++)e.morphTargetDictionary[n[t]]=t}else console.warn(`THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.`)}}function at(e){let t,n=e.extensions&&e.extensions[F.KHR_DRACO_MESH_COMPRESSION];if(t=n?`draco:`+n.bufferView+`:`+n.indices+`:`+Z(n.attributes):e.indices+`:`+Z(e.attributes)+`:`+e.mode,e.targets!==void 0)for(let n=0,r=e.targets.length;n<r;n++)t+=`:`+Z(e.targets[n]);return t}function Z(e){let t=``,n=Object.keys(e).sort();for(let r=0,i=n.length;r<i;r++)t+=n[r]+`:`+e[n[r]]+`;`;return t}function Q(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.`)}}function ot(e){return e.search(/\.jpe?g($|\?)/i)>0||e.search(/^data\:image\/jpeg/)===0?`image/jpeg`:e.search(/\.webp($|\?)/i)>0||e.search(/^data\:image\/webp/)===0?`image/webp`:e.search(/\.ktx2($|\?)/i)>0||e.search(/^data\:image\/ktx2/)===0?`image/ktx2`:`image/png`}var st=new e,ct=class{constructor(e={},t={}){this.json=e,this.extensions={},this.plugins={},this.options=t,this.cache=new je,this.associations=new Map,this.primitiveCache={},this.nodeCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={};let n=!1,r=-1,a=!1,o=-1;if(typeof navigator<`u`&&navigator.userAgent!==void 0){let e=navigator.userAgent;n=/^((?!chrome|android).)*safari/i.test(e)===!0;let t=e.match(/Version\/(\d+)/);r=n&&t?parseInt(t[1],10):-1,a=e.indexOf(`Firefox`)>-1,o=a?e.match(/Firefox\/([0-9]+)\./)[1]:-1}typeof createImageBitmap>`u`||n&&r<17||a&&o<98?this.textureLoader=new c(this.options.manager):this.textureLoader=new v(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new i(this.options.manager),this.fileLoader.setResponseType(`arraybuffer`),this.options.crossOrigin===`use-credentials`&&this.fileLoader.setWithCredentials(!0)}setExtensions(e){this.extensions=e}setPlugins(e){this.plugins=e}parse(e,t){let n=this,r=this.json,i=this.extensions;this.cache.removeAll(),this.nodeCache={},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([n.getDependencies(`scene`),n.getDependencies(`animation`),n.getDependencies(`camera`)])}).then(function(t){let a={scene:t[0][r.scene||0],scenes:t[0],animations:t[1],cameras:t[2],asset:r.asset,parser:n,userData:{}};return Y(i,a,r),X(a,r),Promise.all(n._invokeAll(function(e){return e.afterRoot&&e.afterRoot(a)})).then(function(){for(let e of a.scenes)e.updateMatrixWorld();e(a)})}).catch(t)}_markDefs(){let e=this.json.nodes||[],t=this.json.skins||[],n=this.json.meshes||[];for(let n=0,r=t.length;n<r;n++){let r=t[n].joints;for(let t=0,n=r.length;t<n;t++)e[r[t]].isBone=!0}for(let t=0,r=e.length;t<r;t++){let r=e[t];r.mesh!==void 0&&(this._addNodeRef(this.meshCache,r.mesh),r.skin!==void 0&&(n[r.mesh].isSkinnedMesh=!0)),r.camera!==void 0&&this._addNodeRef(this.cameraCache,r.camera)}}_addNodeRef(e,t){t!==void 0&&(e.refs[t]===void 0&&(e.refs[t]=e.uses[t]=0),e.refs[t]++)}_getNodeRef(e,t,n){if(e.refs[t]<=1)return n;let r=n.clone(),i=(e,t)=>{let n=this.associations.get(e);n!=null&&this.associations.set(t,n);for(let[n,r]of e.children.entries())i(r,t.children[n])};return i(n,r),r.name+=`_instance_`+ e.uses[t]++,r}_invokeOne(e){let t=Object.values(this.plugins);t.push(this);for(let n=0;n<t.length;n++){let r=e(t[n]);if(r)return r}return null}_invokeAll(e){let t=Object.values(this.plugins);t.unshift(this);let n=[];for(let r=0;r<t.length;r++){let i=e(t[r]);i&&n.push(i)}return n}getDependency(e,t){let n=e+`:`+t,r=this.cache.get(n);if(!r){switch(e){case`scene`:r=this.loadScene(t);break;case`node`:r=this._invokeOne(function(e){return e.loadNode&&e.loadNode(t)});break;case`mesh`:r=this._invokeOne(function(e){return e.loadMesh&&e.loadMesh(t)});break;case`accessor`:r=this.loadAccessor(t);break;case`bufferView`:r=this._invokeOne(function(e){return e.loadBufferView&&e.loadBufferView(t)});break;case`buffer`:r=this.loadBuffer(t);break;case`material`:r=this._invokeOne(function(e){return e.loadMaterial&&e.loadMaterial(t)});break;case`texture`:r=this._invokeOne(function(e){return e.loadTexture&&e.loadTexture(t)});break;case`skin`:r=this.loadSkin(t);break;case`animation`:r=this._invokeOne(function(e){return e.loadAnimation&&e.loadAnimation(t)});break;case`camera`:r=this.loadCamera(t);break;default:if(r=this._invokeOne(function(n){return n!=this&&n.getDependency&&n.getDependency(e,t)}),!r)throw Error(`Unknown type: `+e);break}this.cache.add(n,r)}return r}getDependencies(e){let t=this.cache.get(e);if(!t){let n=this,r=this.json[e+(e===`mesh`?`es`:`s`)]||[];t=Promise.all(r.map(function(t,r){return n.getDependency(e,r)})),this.cache.add(e,t)}return t}loadBuffer(e){let t=this.json.buffers[e],n=this.fileLoader;if(t.type&&t.type!==`arraybuffer`)throw Error(`THREE.GLTFLoader: `+t.type+` buffer type is not supported.`);if(t.uri===void 0&&e===0)return Promise.resolve(this.extensions[F.KHR_BINARY_GLTF].body);let r=this.options;return new Promise(function(e,i){n.load(E.resolveURL(t.uri,r.path),e,void 0,function(){i(Error(`THREE.GLTFLoader: Failed to load buffer "`+t.uri+`".`))})})}loadBufferView(e){let t=this.json.bufferViews[e];return this.getDependency(`buffer`,t.buffer).then(function(e){let n=t.byteLength||0,r=t.byteOffset||0;return e.slice(r,r+n)})}loadAccessor(e){let t=this,n=this.json,r=this.json.accessors[e];if(r.bufferView===void 0&&r.sparse===void 0){let e=G[r.type],t=H[r.componentType],n=r.normalized===!0,i=new t(r.count*e);return Promise.resolve(new C(i,e,n))}let i=[];return r.bufferView===void 0?i.push(null):i.push(this.getDependency(`bufferView`,r.bufferView)),r.sparse!==void 0&&(i.push(this.getDependency(`bufferView`,r.sparse.indices.bufferView)),i.push(this.getDependency(`bufferView`,r.sparse.values.bufferView))),Promise.all(i).then(function(e){let i=e[0],a=G[r.type],o=H[r.componentType],s=o.BYTES_PER_ELEMENT,c=s*a,l=r.byteOffset||0,u=r.bufferView===void 0?void 0:n.bufferViews[r.bufferView].byteStride,d=r.normalized===!0,f,p;if(u&&u!==c){let e=Math.floor(l/u),n=`InterleavedBuffer:`+r.bufferView+`:`+r.componentType+`:`+e+`:`+r.count,c=t.cache.get(n);c||(f=new o(i,e*u,r.count*u/s),c=new h(f,u/s),t.cache.add(n,c)),p=new _(c,a,l%u/s,d)}else f=i===null?new o(r.count*a):new o(i,l,r.count*a),p=new C(f,a,d);if(r.sparse!==void 0){let t=G.SCALAR,n=H[r.sparse.indices.componentType],s=r.sparse.indices.byteOffset||0,c=r.sparse.values.byteOffset||0,l=new n(e[1],s,r.sparse.count*t),u=new o(e[2],c,r.sparse.count*a);i!==null&&(p=new C(p.array.slice(),p.itemSize,p.normalized)),p.normalized=!1;for(let e=0,t=l.length;e<t;e++){let t=l[e];if(p.setX(t,u[e*a]),a>=2&&p.setY(t,u[e*a+1]),a>=3&&p.setZ(t,u[e*a+2]),a>=4&&p.setW(t,u[e*a+3]),a>=5)throw Error(`THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.`)}p.normalized=d}return p})}loadTexture(e){let t=this.json,n=this.options,r=t.textures[e].source,i=t.images[r],a=this.textureLoader;if(i.uri){let e=n.manager.getHandler(i.uri);e!==null&&(a=e)}return this.loadTextureImage(e,r,a)}loadTextureImage(e,t,n){let r=this,i=this.json,a=i.textures[e],o=i.images[t],s=(o.uri||o.bufferView)+`:`+a.sampler;if(this.textureCache[s])return this.textureCache[s];let c=this.loadImageSource(t,n).then(function(t){t.flipY=!1,t.name=a.name||o.name||``,t.name===``&&typeof o.uri==`string`&&o.uri.startsWith(`data:image/`)===!1&&(t.name=o.uri);let n=(i.samplers||{})[a.sampler]||{};return t.magFilter=U[n.magFilter]||1006,t.minFilter=U[n.minFilter]||1008,t.wrapS=W[n.wrapS]||1e3,t.wrapT=W[n.wrapT]||1e3,t.generateMipmaps=!t.isCompressedTexture&&t.minFilter!==1003&&t.minFilter!==1006,r.associations.set(t,{textures:e}),t}).catch(function(){return null});return this.textureCache[s]=c,c}loadImageSource(e,t){let n=this,r=this.json,i=this.options;if(this.sourceCache[e]!==void 0)return this.sourceCache[e].then(e=>e.clone());let a=r.images[e],o=self.URL||self.webkitURL,s=a.uri||``,c=!1;if(a.bufferView!==void 0)s=n.getDependency(`bufferView`,a.bufferView).then(function(e){c=!0;let t=new Blob([e],{type:a.mimeType});return s=o.createObjectURL(t),s});else if(a.uri===void 0)throw Error(`THREE.GLTFLoader: Image `+e+` is missing URI and bufferView`);let l=Promise.resolve(s).then(function(e){return new Promise(function(n,r){let a=n;t.isImageBitmapLoader===!0&&(a=function(e){let t=new y(e);t.needsUpdate=!0,n(t)}),t.load(E.resolveURL(e,i.path),a,void 0,r)})}).then(function(e){return c===!0&&o.revokeObjectURL(s),X(e,a),e.userData.mimeType=a.mimeType||ot(a.uri),e}).catch(function(e){throw console.error(`THREE.GLTFLoader: Couldn't load texture`,s),e});return this.sourceCache[e]=l,l}assignTexture(e,t,n,r){let i=this;return this.getDependency(`texture`,n.index).then(function(a){if(!a)return null;if(n.texCoord!==void 0&&n.texCoord>0&&(a=a.clone(),a.channel=n.texCoord),i.extensions[F.KHR_TEXTURE_TRANSFORM]){let e=n.extensions===void 0?void 0:n.extensions[F.KHR_TEXTURE_TRANSFORM];if(e){let t=i.associations.get(a);a=i.extensions[F.KHR_TEXTURE_TRANSFORM].extendTexture(a,e),i.associations.set(a,t)}}return r!==void 0&&(a.colorSpace=r),e[t]=a,a})}assignFinalMaterial(e){let t=e.geometry,n=e.material,r=t.attributes.tangent===void 0,i=t.attributes.color!==void 0,a=t.attributes.normal===void 0;if(e.isPoints){let e=`PointsMaterial:`+n.uuid,t=this.cache.get(e);t||(t=new se,b.prototype.copy.call(t,n),t.color.copy(n.color),t.map=n.map,t.sizeAttenuation=!1,this.cache.add(e,t)),n=t}else if(e.isLine){let e=`LineBasicMaterial:`+n.uuid,t=this.cache.get(e);t||(t=new Oe,b.prototype.copy.call(t,n),t.color.copy(n.color),t.map=n.map,this.cache.add(e,t)),n=t}if(r||i||a){let e=`ClonedMaterial:`+n.uuid+`:`;r&&(e+=`derivative-tangents:`),i&&(e+=`vertex-colors:`),a&&(e+=`flat-shading:`);let t=this.cache.get(e);t||(t=n.clone(),i&&(t.vertexColors=!0),a&&(t.flatShading=!0),r&&(t.normalScale&&(t.normalScale.y*=-1),t.clearcoatNormalScale&&(t.clearcoatNormalScale.y*=-1)),this.cache.add(e,t),this.associations.set(t,this.associations.get(n))),n=t}e.material=n}getMaterialType(){return x}loadMaterial(e){let t=this,n=this.json,r=this.extensions,i=n.materials[e],a,o={},s=i.extensions||{},c=[];if(s[F.KHR_MATERIALS_UNLIT]){let e=r[F.KHR_MATERIALS_UNLIT];a=e.getMaterialType(),c.push(e.extendParams(o,i,t))}else{let n=i.pbrMetallicRoughness||{};if(o.color=new T(1,1,1),o.opacity=1,Array.isArray(n.baseColorFactor)){let e=n.baseColorFactor;o.color.setRGB(e[0],e[1],e[2],l),o.opacity=e[3]}n.baseColorTexture!==void 0&&c.push(t.assignTexture(o,`map`,n.baseColorTexture,k)),o.metalness=n.metallicFactor===void 0?1:n.metallicFactor,o.roughness=n.roughnessFactor===void 0?1:n.roughnessFactor,n.metallicRoughnessTexture!==void 0&&(c.push(t.assignTexture(o,`metalnessMap`,n.metallicRoughnessTexture)),c.push(t.assignTexture(o,`roughnessMap`,n.metallicRoughnessTexture))),a=this._invokeOne(function(t){return t.getMaterialType&&t.getMaterialType(e)}),c.push(Promise.all(this._invokeAll(function(t){return t.extendMaterialParams&&t.extendMaterialParams(e,o)})))}i.doubleSided===!0&&(o.side=2);let u=i.alphaMode||J.OPAQUE;if(u===J.BLEND?(o.transparent=!0,o.depthWrite=!1):(o.transparent=!1,u===J.MASK&&(o.alphaTest=i.alphaCutoff===void 0?.5:i.alphaCutoff)),i.normalTexture!==void 0&&a!==D&&(c.push(t.assignTexture(o,`normalMap`,i.normalTexture)),o.normalScale=new j(1,1),i.normalTexture.scale!==void 0)){let e=i.normalTexture.scale;o.normalScale.set(e,e)}if(i.occlusionTexture!==void 0&&a!==D&&(c.push(t.assignTexture(o,`aoMap`,i.occlusionTexture)),i.occlusionTexture.strength!==void 0&&(o.aoMapIntensity=i.occlusionTexture.strength)),i.emissiveFactor!==void 0&&a!==D){let e=i.emissiveFactor;o.emissive=new T().setRGB(e[0],e[1],e[2],l)}return i.emissiveTexture!==void 0&&a!==D&&c.push(t.assignTexture(o,`emissiveMap`,i.emissiveTexture,k)),Promise.all(c).then(function(){let n=new a(o);return i.name&&(n.name=i.name),X(n,i),t.associations.set(n,{materials:e}),i.extensions&&Y(r,n,i),n})}createUniqueName(e){let t=Ee.sanitizeNodeName(e||``);return t in this.nodeNamesUsed?t+`_`+ ++this.nodeNamesUsed[t]:(this.nodeNamesUsed[t]=0,t)}loadGeometries(e){let t=this,n=this.extensions,r=this.primitiveCache;function i(e){return n[F.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(e,t).then(function(n){return $(n,e,t)})}let a=[];for(let n=0,o=e.length;n<o;n++){let o=e[n],s=at(o),c=r[s];if(c)a.push(c.promise);else{let e;e=o.extensions&&o.extensions[F.KHR_DRACO_MESH_COMPRESSION]?i(o):$(new Te,o,t),r[s]={primitive:o,promise:e},a.push(e)}}return Promise.all(a)}loadMesh(e){let t=this,r=this.json,i=this.extensions,a=r.meshes[e],o=a.primitives,c=[];for(let e=0,t=o.length;e<t;e++){let t=o[e].material===void 0?nt(this.cache):this.getDependency(`material`,o[e].material);c.push(t)}return c.push(t.loadGeometries(o)),Promise.all(c).then(function(r){let c=r.slice(0,r.length-1),l=r[r.length-1],u=[];for(let r=0,s=l.length;r<s;r++){let s=l[r],d=o[r],f,p=c[r];if(d.mode===V.TRIANGLES||d.mode===V.TRIANGLE_STRIP||d.mode===V.TRIANGLE_FAN||d.mode===void 0)f=a.isSkinnedMesh===!0?new ee(s,p):new de(s,p),f.isSkinnedMesh===!0&&f.normalizeSkinWeights(),d.mode===V.TRIANGLE_STRIP?f.geometry=M(f.geometry,1):d.mode===V.TRIANGLE_FAN&&(f.geometry=M(f.geometry,2));else if(d.mode===V.LINES)f=new ie(s,p);else if(d.mode===V.LINE_STRIP)f=new ne(s,p);else if(d.mode===V.LINE_LOOP)f=new n(s,p);else if(d.mode===V.POINTS)f=new me(s,p);else throw Error(`THREE.GLTFLoader: Primitive mode unsupported: `+d.mode);Object.keys(f.geometry.morphAttributes).length>0&&it(f,a),f.name=t.createUniqueName(a.name||`mesh_`+e),X(f,a),d.extensions&&Y(i,f,d),t.assignFinalMaterial(f),u.push(f)}for(let n=0,r=u.length;n<r;n++)t.associations.set(u[n],{meshes:e,primitives:n});if(u.length===1)return a.extensions&&Y(i,u[0],a),u[0];let d=new s;a.extensions&&Y(i,d,a),t.associations.set(d,{meshes:e});for(let e=0,t=u.length;e<t;e++)d.add(u[e]);return d})}loadCamera(e){let t,n=this.json.cameras[e],r=n[n.type];if(!r){console.warn(`THREE.GLTFLoader: Missing camera parameters.`);return}return n.type===`perspective`?t=new xe(oe.radToDeg(r.yfov),r.aspectRatio||1,r.znear||1,r.zfar||2e6):n.type===`orthographic`&&(t=new pe(-r.xmag,r.xmag,r.ymag,-r.ymag,r.znear,r.zfar)),n.name&&(t.name=this.createUniqueName(n.name)),X(t,n),Promise.resolve(t)}loadSkin(t){let n=this.json.skins[t],r=[];for(let e=0,t=n.joints.length;e<t;e++)r.push(this._loadNodeShallow(n.joints[e]));return n.inverseBindMatrices===void 0?r.push(null):r.push(this.getDependency(`accessor`,n.inverseBindMatrices)),Promise.all(r).then(function(t){let r=t.pop(),i=t,a=[],s=[];for(let t=0,o=i.length;t<o;t++){let o=i[t];if(o){a.push(o);let n=new e;r!==null&&n.fromArray(r.array,t*16),s.push(n)}else console.warn(`THREE.GLTFLoader: Joint "%s" could not be found.`,n.joints[t])}return new o(a,s)})}loadAnimation(e){let t=this.json,n=this,r=t.animations[e],i=r.name?r.name:`animation_`+e,a=[],o=[],s=[],c=[],l=[];for(let e=0,t=r.channels.length;e<t;e++){let t=r.channels[e],n=r.samplers[t.sampler],i=t.target,u=i.node,d=r.parameters===void 0?n.input:r.parameters[n.input],f=r.parameters===void 0?n.output:r.parameters[n.output];i.node!==void 0&&(a.push(this.getDependency(`node`,u)),o.push(this.getDependency(`accessor`,d)),s.push(this.getDependency(`accessor`,f)),c.push(n),l.push(i))}return Promise.all([Promise.all(a),Promise.all(o),Promise.all(s),Promise.all(c),Promise.all(l)]).then(function(e){let t=e[0],a=e[1],o=e[2],s=e[3],c=e[4],l=[];for(let e=0,r=t.length;e<r;e++){let r=t[e],i=a[e],u=o[e],d=s[e],f=c[e];if(r===void 0)continue;r.updateMatrix&&r.updateMatrix();let p=n._createAnimationTracks(r,i,u,d,f);if(p)for(let e=0;e<p.length;e++)l.push(p[e])}let u=new Se(i,void 0,l);return X(u,r),u})}createNodeMesh(e){let t=this.json,n=this,r=t.nodes[e];return r.mesh===void 0?null:n.getDependency(`mesh`,r.mesh).then(function(e){let t=n._getNodeRef(n.meshCache,r.mesh,e);return r.weights!==void 0&&t.traverse(function(e){if(e.isMesh)for(let t=0,n=r.weights.length;t<n;t++)e.morphTargetInfluences[t]=r.weights[t]}),t})}loadNode(e){let t=this.json,n=this,i=t.nodes[e],a=n._loadNodeShallow(e),o=[],s=i.children||[];for(let e=0,t=s.length;e<t;e++)o.push(n.getDependency(`node`,s[e]));let c=i.skin===void 0?Promise.resolve(null):n.getDependency(`skin`,i.skin);return Promise.all([a,Promise.all(o),c]).then(function(e){let t=e[0],n=e[1],i=e[2];i!==null&&t.traverse(function(e){e.isSkinnedMesh&&e.bind(i,st)});for(let e=0,r=n.length;e<r;e++)t.add(n[e]);if(t.userData.pivot!==void 0&&n.length>0){let e=t.userData.pivot,i=n[0];t.pivot=new r().fromArray(e),t.position.x-=e[0],t.position.y-=e[1],t.position.z-=e[2],i.position.set(0,0,0),delete t.userData.pivot}return t})}_loadNodeShallow(t){let n=this.json,r=this.extensions,i=this;if(this.nodeCache[t]!==void 0)return this.nodeCache[t];let a=n.nodes[t],o=a.name?i.createUniqueName(a.name):``,c=[],l=i._invokeOne(function(e){return e.createNodeMesh&&e.createNodeMesh(t)});return l&&c.push(l),a.camera!==void 0&&c.push(i.getDependency(`camera`,a.camera).then(function(e){return i._getNodeRef(i.cameraCache,a.camera,e)})),i._invokeAll(function(e){return e.createNodeAttachment&&e.createNodeAttachment(t)}).forEach(function(e){c.push(e)}),this.nodeCache[t]=Promise.all(c).then(function(n){let c;if(c=a.isBone===!0?new ye:n.length>1?new s:n.length===1?n[0]:new ue,c!==n[0])for(let e=0,t=n.length;e<t;e++)c.add(n[e]);if(a.name&&(c.userData.name=a.name,c.name=o),X(c,a),a.extensions&&Y(r,c,a),a.matrix!==void 0){let t=new e;t.fromArray(a.matrix),c.applyMatrix4(t)}else a.translation!==void 0&&c.position.fromArray(a.translation),a.rotation!==void 0&&c.quaternion.fromArray(a.rotation),a.scale!==void 0&&c.scale.fromArray(a.scale);if(!i.associations.has(c))i.associations.set(c,{});else if(a.mesh!==void 0&&i.meshCache.refs[a.mesh]>1){let e=i.associations.get(c);i.associations.set(c,{...e})}return i.associations.get(c).nodes=t,c}),this.nodeCache[t]}loadScene(e){let t=this.extensions,n=this.json.scenes[e],r=this,i=new s;n.name&&(i.name=r.createUniqueName(n.name)),X(i,n),n.extensions&&Y(t,i,n);let a=n.nodes||[],o=[];for(let e=0,t=a.length;e<t;e++)o.push(r.getDependency(`node`,a[e]));return Promise.all(o).then(function(e){for(let t=0,n=e.length;t<n;t++){let n=e[t];n.parent===null?i.add(n):i.add(ke(n))}return r.associations=(e=>{let t=new Map;for(let[e,n]of r.associations)(e instanceof b||e instanceof y)&&t.set(e,n);return e.traverse(e=>{let n=r.associations.get(e);n!=null&&t.set(e,n)}),t})(i),i})}_createAnimationTracks(e,t,n,r,i){let a=[],o=e.name?e.name:e.uuid,s=[];function c(e){e.morphTargetInfluences&&s.push(e.name?e.name:e.uuid)}q[i.path]===q.weights?(c(e),e.isGroup&&e.children.forEach(c)):s.push(o);let l;switch(q[i.path]){case q.weights:l=O;break;case q.rotation:l=ce;break;case q.translation:case q.scale:l=d;break;default:switch(n.itemSize){case 1:l=O;break;default:l=d;break}break}let u=r.interpolation===void 0?m:tt[r.interpolation],f=this._getArrayFromAccessor(n);for(let e=0,n=s.length;e<n;e++){let n=new l(s[e]+`.`+q[i.path],t.array,f,u);r.interpolation===`CUBICSPLINE`&&this._createCubicSplineTrackInterpolant(n),a.push(n)}return a}_getArrayFromAccessor(e){let t=e.array;if(e.normalized){let e=Q(t.constructor),n=new Float32Array(t.length);for(let r=0,i=t.length;r<i;r++)n[r]=t[r]*e;t=n}return t}_createCubicSplineTrackInterpolant(e){e.createInterpolant=function(e){return new(this instanceof ce?et:B)(this.times,this.values,this.getValueSize()/3,e)},e.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0}};function lt(e,t,n){let i=t.attributes,a=new Ce;if(i.POSITION!==void 0){let e=n.json.accessors[i.POSITION],t=e.min,o=e.max;if(t!==void 0&&o!==void 0){if(a.set(new r(t[0],t[1],t[2]),new r(o[0],o[1],o[2])),e.normalized){let t=Q(H[e.componentType]);a.min.multiplyScalar(t),a.max.multiplyScalar(t)}}else{console.warn(`THREE.GLTFLoader: Missing min/max properties for accessor POSITION.`);return}}else return;let o=t.targets;if(o!==void 0){let e=new r,t=new r;for(let r=0,i=o.length;r<i;r++){let i=o[r];if(i.POSITION!==void 0){let r=n.json.accessors[i.POSITION],a=r.min,o=r.max;if(a!==void 0&&o!==void 0){if(t.setX(Math.max(Math.abs(a[0]),Math.abs(o[0]))),t.setY(Math.max(Math.abs(a[1]),Math.abs(o[1]))),t.setZ(Math.max(Math.abs(a[2]),Math.abs(o[2]))),r.normalized){let e=Q(H[r.componentType]);t.multiplyScalar(e)}e.max(t)}else console.warn(`THREE.GLTFLoader: Missing min/max properties for accessor POSITION.`)}}a.expandByVector(e)}e.boundingBox=a;let s=new _e;a.getCenter(s.center),s.radius=a.min.distanceTo(a.max)/2,e.boundingSphere=s}function $(e,t,n){let r=t.attributes,i=[];function a(t,r){return n.getDependency(`accessor`,t).then(function(t){e.setAttribute(r,t)})}for(let t in r){let n=K[t]||t.toLowerCase();n in e.attributes||i.push(a(r[t],n))}if(t.indices!==void 0&&!e.index){let r=n.getDependency(`accessor`,t.indices).then(function(t){e.setIndex(t)});i.push(r)}return w.workingColorSpace!==`srgb-linear`&&`COLOR_0`in r&&console.warn(`THREE.GLTFLoader: Converting vertex colors from "srgb-linear" to "${w.workingColorSpace}" not supported.`),X(e,t),lt(e,t,n),Promise.all(i).then(function(){return t.targets===void 0?e:rt(e,t.targets,n)})}export{Ae as GLTFLoader}; |