entShader,this.vertexShader=t.vertexShader,this.uniforms=Ki(t.uniforms),this.uniformsGroups=C_(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this.defaultAttributeValues=Object.assign({},t.defaultAttributeValues),this.index0AttributeName=t.index0AttributeName,this.uniformsNeedUpdate=t.uniformsNeedUpdate,this}toJSON(t){let e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(let i in this.uniforms){let a=this.uniforms[i].value;a&&a.isTexture?e.uniforms[i]={type:"t",value:a.toJSON(t).uuid}:a&&a.isColor?e.uniforms[i]={type:"c",value:a.getHex()}:a&&a.isVector2?e.uniforms[i]={type:"v2",value:a.toArray()}:a&&a.isVector3?e.uniforms[i]={type:"v3",value:a.toArray()}:a&&a.isVector4?e.uniforms[i]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?e.uniforms[i]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?e.uniforms[i]={type:"m4",value:a.toArray()}:e.uniforms[i]={value:a}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;let n={};for(let i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}fromJSON(t,e){if(super.fromJSON(t,e),t.uniforms!==void 0)for(let n in t.uniforms){let i=t.uniforms[n];switch(this.uniforms[n]={},i.type){case"t":this.uniforms[n].value=e[i.value]||null;break;case"c":this.uniforms[n].value=new Mt().setHex(i.value);break;case"v2":this.uniforms[n].value=new nt().fromArray(i.value);break;case"v3":this.uniforms[n].value=new C().fromArray(i.value);break;case"v4":this.uniforms[n].value=new fe().fromArray(i.value);break;case"m3":this.uniforms[n].value=new Xt().fromArray(i.value);break;case"m4":this.uniforms[n].value=new Wt().fromArray(i.value);break;default:this.uniforms[n].value=i.value}}if(t.defines!==void 0&&(this.defines=t.defines),t.vertexShader!==void 0&&(this.vertexShader=t.vertexShader),t.fragmentShader!==void 0&&(this.fragmentShader=t.fragmentShader),t.glslVersion!==void 0&&(this.glslVersion=t.glslVersion),t.extensions!==void 0)for(let n in t.extensions)this.extensions[n]=t.extensions[n];return t.lights!==void 0&&(this.lights=t.lights),t.clipping!==void 0&&(this.clipping=t.clipping),this}},Br=class extends nn{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}},zr=class extends Pe{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Mt(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 Mt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=ei,this.normalScale=new nt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Tn,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}},$o=class extends zr{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new nt(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return kt(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.i