<!-- SAGA · part 150 -->
&&!1===this.material.sizeAttenuation&&Ds.multiplyScalar(-Is.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const s=this.center;Ws(Fs.set(-.5,-.5,0),Is,s,Ds,i,r),Ws(Os.set(.5,-.5,0),Is,s,Ds,i,r),Ws(Hs.set(.5,.5,0),Is,s,Ds,i,r),Gs.set(0,0),Us.set(1,0),ks.set(1,1);let a=t.ray.intersectTriangle(Fs,Os,Hs,!1,Ps);if(null===a&&(Ws(Os.set(-.5,.5,0),Is,s,Ds,i,r),Us.set(0,1),a=t.ray.intersectTriangle(Fs,Hs,Os,!1,Ps),null===a))return;const o=t.ray.origin.distanceTo(Ps);o<t.near||o>t.far||e.push({distance:o,point:Ps.clone(),uv:je.getUV(Ps,Fs,Os,Hs,Gs,Us,ks,new vt),face:null,object:this})}copy(t){return super.copy(t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function Ws(t,e,n,i,r,s){Ns.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(Bs.x=s*Ns.x-r*Ns.y,Bs.y=r*Ns.x+s*Ns.y):Bs.copy(Ns),t.copy(e),t.x+=Bs.x,t.y+=Bs.y,t.applyMatrix4(zs)}Vs.prototype.isSprite=!0;const js=new Lt,qs=new Lt;class Xs extends Ce{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t<n;t++){const n=e[t];this.addLevel(n.object.clone(),n.distance)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0){e=Math.abs(e);const n=this.levels;let i;for(i=0;i<n.length&&!(e<n[i].distance);i++);return n.splice(i,0,{distance:e,object:t}),this.add(t),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let n,i;for(n=1,i=e.length;n<i&&!(t<e[n].distance);n++);return e[n-1].object}return null}raycast(t,e){if(this.levels.length>0){js.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(js);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){js.setFromMatrixPosition(t.matrixWorld),qs.setFromMatrixPosition(this.matrixWorld);const n=js.distanceTo(qs)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i<r&&n>=e[i].distance;i++)e[i-1].object.visible=!1,e[i].object.visible=!0;for(this._currentLevel=i-1;i<r;i++)e[i].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const n=this.levels;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.object.levels.push({object:i.object.uuid,distance:i.distance})}return e}}const Ys=new Lt,Zs=new St,Js=new St,Qs=new Lt,Ks=new se;class $s extends Wn{constructor(t,e){super(t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new se,this.bindMatrixInverse=new se}copy(t){return super.copy(t),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new St,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;n<i;n++){t.x=e.getX(n),t.y=e.getY(n),t.z=e.getZ(n),t.w=e.getW(n);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(t,e){const n=this.skeleton,i=this.geometry;Zs.fromBufferAttribute(i.attributes.skinIndex,t),Js.fromBufferAttribute(i.attributes.skinWeight,t),Ys.fromBufferAttribute(i.attributes.position,t).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const i=Js.getComponent(t);if(0!==i){const r=Zs.getComponent(t);Ks.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),e.addScaledVector(Qs.copy(Ys).applyMatrix4(Ks),i)}}return e.applyMatrix4(this.bindMatrixInverse)}}$s.prototype.isSkinnedMesh=!0;class ta extends Ce{constructor(){super(),this.type="Bone"}}ta.prototype.isBone=!0;const ea=new se,na=new se;class ia{constructor(t=[],e=[]){this.uuid=ct(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new se)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new se;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWo