rixWorldNeedsUpdate=!1,t=!0}let e=this.children;for(let n=0,i=e.length;n0)i.userData=this.userData;if(i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),this.matrixAutoUpdate===!1)i.matrixAutoUpdate=!1;if(this.isInstancedMesh){if(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null)i.instanceColor=this.instanceColor.toJSON()}if(this.isBatchedMesh){if(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.geometryInfo=this._geometryInfo.map((r)=>({...r,boundingBox:r.boundingBox?r.boundingBox.toJSON():void 0,boundingSphere:r.boundingSphere?r.boundingSphere.toJSON():void 0})),i.instanceInfo=this._instanceInfo.map((r)=>({...r})),i.availableInstanceIds=this._availableInstanceIds.slice(),i.availableGeometryIds=this._availableGeometryIds.slice(),i.nextIndexStart=this._nextIndexStart,i.nextVertexStart=this._nextVertexStart,i.geometryCount=this._geometryCount,i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.matricesTexture=this._matricesTexture.toJSON(t),i.indirectTexture=this._indirectTexture.toJSON(t),this._colorsTexture!==null)i.colorsTexture=this._colorsTexture.toJSON(t);if(this.boundingSphere!==null)i.boundingSphere=this.boundingSphere.toJSON();if(this.boundingBox!==null)i.boundingBox=this.boundingBox.toJSON()}function s(r,o){if(r[o.uuid]===void 0)r[o.uuid]=o.toJSON(t);return o.uuid}if(this.isScene){if(this.background){if(this.background.isColor)i.background=this.background.toJSON();else if(this.background.isTexture)i.background=this.background.toJSON(t).uuid}if(this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0)i.environment=this.environment.toJSON(t).uuid}else if(this.isMesh||this.isLine||this.isPoints){i.geometry=s(t.geometries,this.geometry);let r=this.geometry.parameters;if(r!==void 0&&r.shapes!==void 0){let o=r.shapes;if(Array.isArray(o))for(let l=0,c=o.length;l0){i.children=[];for(let r=0;r0){i.animations=[];for(let r=0;r0)n.geometries=r;if(o.length>0)n.materials=o;if(l.length>0)n.textures=l;if(c.length>0)n.images=c;if(u.length>0)n.shapes=u;if(f.length>0)n.skeletons=f;if(h.length>0)n.animations=h;if(p.length>0)n.nodes=p}return n.object=i,n;function a(r){let o=[];for(let l in r){let c=r[l];delete c.metadata,o.push(c)}return o}}clone(t){return new this.constructor().copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=