<!-- SAGA2 · part 210 -->
this.min.y||t.y>this.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.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.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<e.length;t++){const n=e[t];n.parent&&n.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(s.r,s.g,s.b),r.push(a.r,a.g,a.b))}n.setAttribute("position",new mn(i,3)),n.setAttribute("color",new mn(r,3));super(n,new ca({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(t){const e=this.bones,n=this.geometry,i=n.getAttribute("position");ch.copy(this.root.matrixWorld).invert();for(let t=0,n=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(lh.multiplyMatrices(ch,r.matrixWorld),oh.setFromMatrixPosition(lh),i.setXYZ(n,oh.x,oh.y,oh.z),lh.multiplyMatrices(ch,r.parent.matrixWorld),oh.setFromMatrixPosition(lh),i.setXYZ(n+1,oh.x,oh.y,oh.z),n+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}}function uh(t){const e=[];t&&t.isBone&&e.push(t);for(let n=0;n<t.children.length;n++)e.push.apply(e,uh(t.children[n]));return e}const dh=new Lt,ph=new tn,mh=new tn;class fh extends ya{constructor(t=10,e=10,n=4473924,i=8947848){n=new tn(n),i=new tn(i);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,c=0,h=-a;t<=e;t++,h+=s){o.push(-a,0,h,a,0,h),o.push(h,0,-a,h,0,a);const e=t===r?n:i;e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3}const c=new En;c.setAttribute("position",new mn(o,3)),c.setAttribute("color",new mn(l,3));super(c,new ca({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}}const gh=new Lt,vh=new Lt,yh=new Lt;const xh=new Lt,_h=new Qn;function wh(t,e,n,i,r,s,a){xh.set(r,s,a).unproject(i);const o=e[t];if(void 0!==o){const t=n.getAttribute("position");for(let e=0,n=o.length;e<n;e++)t.setXYZ(o[e],xh.x,xh.y,xh.z)}}const bh=new Pt;class Mh extends ya{constructor(t,e=16776960){const n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new Float32Array(24),r=new En;r.setIndex(new sn(n,1)),r.setAttribute("position",new sn(i,3)),super(r,new ca({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(t){if(void 0!==t&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&bh.setFrom