oint(br.copy(e.center).add(Oc)),this.expandByPoint(br.copy(e.center).sub(Oc))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(e){return this.radius=e.radius,this.center.fromArray(e.center),this}},Bp=0,Ln=new at,Bc=new Vt,Ps=new P,Sn=new oi,Er=new oi,Zt=new P,ft=class i extends ai{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Bp++}),this.uuid=yi(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={},this._transformed=!1}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(bp(e)?Wr:Gr)(e,1):this.index=e,this}setIndirect(e,t=0){return this.indirect=e,this.indirectOffset=t,this}getIndirect(){return this.indirect}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);let n=this.attributes.normal;if(n!==void 0){let r=new Xe().getNormalMatrix(e);n.applyNormalMatrix(r),n.needsUpdate=!0}let s=this.attributes.tangent;return s!==void 0&&(s.transformDirection(e),s.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this._transformed=!0,this}applyQuaternion(e){return Ln.makeRotationFromQuaternion(e),this.applyMatrix4(Ln),this}rotateX(e){return Ln.makeRotationX(e),this.applyMatrix4(Ln),this}rotateY(e){return Ln.makeRotationY(e),this.applyMatrix4(Ln),this}rotateZ(e){return Ln.makeRotationZ(e),this.applyMatrix4(Ln),this}translate(e,t,n){return Ln.makeTranslation(e,t,n),this.applyMatrix4(Ln),this}scale(e,t,n){return Ln.makeScale(e,t,n),this.applyMatrix4(Ln),this}lookAt(e){return Bc.lookAt(e),Bc.updateMatrix(),this.applyMatrix4(Bc.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Ps).negate(),this.translate(Ps.x,Ps.y,Ps.z),this}setFromPoints(e){let t=this.getAttribute("position");if(t===void 0){let n=[];for(let s=0,r=e.length;st.count&&Be("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),t.needsUpdate=!0}return this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new oi);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){ke("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new P(-1/0,-1/0,-1/0),new P(1/0,1/0,1/0));return}if(e!==void 0){if(this.boundingBox.setFromBufferAttribute(e),t)for(let n=0,s=t.length;n