.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapRotation!==void 0&&(n.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),Array.isArray(this.clippingPlanes)&&this.clippingPlanes.length>0&&(n.clippingPlanes=this.clippingPlanes.map(r=>r.toJSON())),this.rotation!==void 0&&(n.rotation=this.rotation),this.depthPacking!==void 0&&(n.depthPacking=this.depthPacking),this.linewidth!==void 0&&(n.linewidth=this.linewidth),this.linecap!==void 0&&(n.linecap=this.linecap),this.linejoin!==void 0&&(n.linejoin=this.linejoin),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.wireframe!==void 0&&(n.wireframe=this.wireframe),this.wireframeLinewidth!==void 0&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!==void 0&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!==void 0&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading!==void 0&&(n.flatShading=this.flatShading),this.fog!==void 0&&(n.fog=this.fog),Object.keys(this.userData).length>0&&(n.userData=this.userData);function s(r){let a=[];for(let o in r){let l=r[o];delete l.metadata,a.push(l)}return a}if(t){let r=s(e.textures),a=s(e.images);r.length>0&&(n.textures=r),a.length>0&&(n.images=a)}return n}fromJSON(e,t){if(e.uuid!==void 0&&(this.uuid=e.uuid),e.name!==void 0&&(this.name=e.name),e.color!==void 0&&this.color!==void 0&&this.color.setHex(e.color),e.roughness!==void 0&&(this.roughness=e.roughness),e.metalness!==void 0&&(this.metalness=e.metalness),e.sheen!==void 0&&(this.sheen=e.sheen),e.sheenColor!==void 0&&(this.sheenColor=new ge().setHex(e.sheenColor)),e.sheenRoughness!==void 0&&(this.sheenRoughness=e.sheenRoughness),e.emissive!==void 0&&this.emissive!==void 0&&this.emissive.setHex(e.emissive),e.specular!==void 0&&this.specular!==void 0&&this.specular.setHex(e.specular),e.specularIntensity!==void 0&&(this.specularIntensity=e.specularIntensity),e.specularColor!==void 0&&this.specularColor!==void 0&&this.specularColor.setHex(e.specularColor),e.shininess!==void 0&&(this.shininess=e.shininess),e.clearcoat!==void 0&&(this.clearcoat=e.clearcoat),e.clearcoatRoughness!==void 0&&(this.clearcoatRoughness=e.clearcoatRoughness),e.dispersion!==void 0&&(this.dispersion=e.dispersion),e.retroreflectivity!==void 0&&(this.retroreflectivity=e.retroreflectivity),e.iridescence!==void 0&&(this.iridescence=e.iridescence),e.iridescenceIOR!==void 0&&(this.iridescenceIOR=e.iridescenceIOR),e.iridescenceThicknessRange!==void 0&&(this.iridescenceThicknessRange=e.iridescenceThicknessRange),e.transmission!==void 0&&(this.transmission=e.transmission),e.thickness!==void 0&&(this.thickness=e.thickness),e.attenuationDistance!==void 0&&(this.attenuationDistance=e.attenuationDistance),e.attenuationColor!==void 0&&this.attenuationColor!==void 0&&this.attenuationColor.setHex(e.attenuationColor),e.anisotropy!==void 0&&(this.anisotropy=e.anisotropy),e.anisotropyRotation!==void 0&&(this.anisotropyRotation=e.anisotropyRotation),e.fog!==void 0&&(this.fog=e.fog),e.flatShading!==void 0&&(this.flatShading=e.flatShading),e.blending!==void 0&&(this.blending=e.blending),e.combine!==void 0&&(this.combine=e.combine),e.side!==void 0&&(this.side=e.side),e.shadowSide!==void 0&&(this.shadowSide=e.shadowSide),e.opacity!==void 0&&(this.opacity=e.opacity),e.transparent!==void 0&&(this.transparent=e.transparent),e.alphaTest!==void 0&&(this.alphaTest=e.alphaTest),e.alphaHash!==void 0&&(this.alphaHash=e.alphaHash),e.depthFunc!==void 0&&(this.depthFunc=e.depthFunc),e.depthTest!==void 0&&(this.depthTest=e.depthTest),e.depthWrite!==void 0&&(this.depthWrite=e.depthWrite),e.colorWrite!==void 0&&(this.colorWrite=e.colorWrite),e.clippingPlanes!==void 0&&(this.clippingPlanes=e.clippingPlanes.map(n=>new Xn().fromJSON(n))),e.clip