cloneSkinnedMesh.js

cloneSkinnedMesh(){
    const skinnedMeshes = {}
    this.original.traverse( child => {
      if(child.isSkinnedMesh){
        skinnedMeshes[child.name] = child
      }
    })

    const cloneBones = {}
    const cloneSkinnedMeshes = {}
    this.clone.traverse( node => {
      if ( node.isBone) {
        cloneBones[node.name] = node
      }
      if ( node.isSkinnedMesh) {
        cloneSkinnedMeshes[node.name] = node
      }
    })

    for (let name in skinnedMeshes) {
      const skinnedMesh = skinnedMeshes[name]
      const skeleton = skinnedMesh.skeleton
      const cloneSkinnedMesh = cloneSkinnedMeshes[name]

      cloneSkinnedMesh.name = "skinnedMesh."+this.name

      const orderedCloneBones = []
      for (let i = 0; i < skeleton.bones.length; i++) {
        const cloneBone = cloneBones[skeleton.bones[i].name]
        orderedCloneBones.push(cloneBone)
      }

      cloneSkinnedMesh.bind(
        new THREE.Skeleton(orderedCloneBones, skeleton.boneInverses),
        cloneSkinnedMesh.matrixWorld
      )
    }
  }