tributes.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