buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}Qc.prototype.isGLBufferAttribute=!0;function Kc(t,e){return t.distance-e.distance}function $c(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i){const i=t.children;for(let t=0,r=i.length;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return void 0===e&&(console.warn("THREE.Box2: .getParameter() target is now required"),e=new vt),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return void 0===e&&(console.warn("THREE.Box2: .clampPoint() target is now required"),e=new vt),e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return th.copy(t).clamp(this.min,this.max).sub(t).length()}intersect(t){return this.min.max(t.min),this.max.min(t.max),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}eh.prototype.isBox2=!0;const nh=new Lt,ih=new Lt;class rh{constructor(t=new Lt,e=new Lt){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return void 0===t&&(console.warn("THREE.Line3: .getCenter() target is now required"),t=new Lt),t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return void 0===t&&(console.warn("THREE.Line3: .delta() target is now required"),t=new Lt),t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return void 0===e&&(console.warn("THREE.Line3: .at() target is now required"),e=new Lt),this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){nh.subVectors(t,this.start),ih.subVectors(this.end,this.start);const n=ih.dot(ih);let i=ih.dot(nh)/n;return e&&(i=ht(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return void 0===n&&(console.warn("THREE.Line3: .closestPointToPoint() target is now required"),n=new Lt),this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}class sh extends Ce{constructor(t){super(),this.material=t,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}}sh.prototype.isImmediateRenderObject=!0;const ah=new Lt;const oh=new Lt,lh=new se,ch=new se;class hh extends ya{constructor(t){const e=uh(t),n=new En,i=[],r=[],s=new tn(0,0,1),a=new tn(0,1,0);for(let t=0;t