/**
* @author mikael emtinger / http://gomo.se/
* @author alteredq / http://alteredqualia.com/
* @author ikerr / http://verold.com
*/
export class SkinnedMeshActor {
   // THREE.SkinnedMesh = function(geometry, material, useVertexTexture) {
   //    THREE.Mesh.call(this, geometry, material);
   //    this.type = 'SkinnedMesh';
   //    this.bindMode = "attached";
   //    this.bindMatrix = new THREE.Matrix4();
   //    this.bindMatrixInverse = new THREE.Matrix4();
   //    // init bones
   //    // TODO: remove bone creation as there is no reason (other than
   //    // convenience) for THREE.SkinnedMesh to do this.
   //    var bones = [];
   //    if (this.geometry && this.geometry.bones !== undefined) {
   //       var bone, gbone;
   //       for (var b = 0, bl = this.geometry.bones.length; b < bl; ++b) {
   //          gbone = this.geometry.bones[b];
   //          bone = new THREE.Bone(this);
   //          bones.push(bone);
   //          bone.name = gbone.name;
   //          bone.position.fromArray(gbone.pos);
   //          bone.quaternion.fromArray(gbone.rotq);
   //          if (gbone.scl !== undefined) bone.scale.fromArray(gbone.scl);
   //       }
   //       for (var b = 0, bl = this.geometry.bones.length; b < bl; ++b) {
   //          gbone = this.geometry.bones[b];
   //          if (gbone.parent !== - 1 && gbone.parent !== null) {
   //             bones[gbone.parent].add(bones[b]);
   //          } else {
   //             this.add(bones[b]);
   //          }
   //       }
   //    }
   //    this.normalizeSkinWeights();
   //    this.updateMatrixWorld(true);
   //    this.bind(new THREE.Skeleton(bones, undefined, useVertexTexture), this.matrixWorld);
   // };
   // THREE.SkinnedMesh.prototype = Object.create(THREE.Mesh.prototype);
   // THREE.SkinnedMesh.prototype.constructor = THREE.SkinnedMesh;
   // THREE.SkinnedMesh.prototype.bind = function(skeleton, bindMatrix) {
   //    this.skeleton = skeleton;
   //    if (bindMatrix === undefined) {
   //       this.updateMatrixWorld(true);
   //       this.skeleton.calculateInverses();
   //       bindMatrix = this.matrixWorld;
   //    }
   //    this.bindMatrix.copy(bindMatrix);
   //    this.bindMatrixInverse.getInverse(bindMatrix);
   // };
   // THREE.SkinnedMesh.prototype.pose = function() {
   //    this.skeleton.pose();
   // };
   // THREE.SkinnedMesh.prototype.normalizeSkinWeights = function() {
   //    if (this.geometry instanceof THREE.Geometry) {
   //       for (var i = 0; i < this.geometry.skinWeights.length; i++) {
   //          var sw = this.geometry.skinWeights[i];
   //          var scale = 1.0 / sw.lengthManhattan();
   //          if (scale !== Infinity) {
   //             sw.multiplyScalar(scale);
   //          } else {
   //             sw.set(1, 0, 0, 0); // do something reasonable
   //          }
   //       }
   //    } else if (this.geometry instanceof THREE.BufferGeometry) {
   //       var vec = new THREE.Vector4();
   //       var skinWeight = this.geometry.attributes.skinWeight;
   //       for (var i = 0; i < skinWeight.count; i++) {
   //          vec.x = skinWeight.getX(i);
   //          vec.y = skinWeight.getY(i);
   //          vec.z = skinWeight.getZ(i);
   //          vec.w = skinWeight.getW(i);
   //          var scale = 1.0 / vec.lengthManhattan();
   //          if (scale !== Infinity) {
   //             vec.multiplyScalar(scale);
   //          } else {
   //             vec.set(1, 0, 0, 0); // do something reasonable
   //          }
   //          skinWeight.setXYZW(i, vec.x, vec.y, vec.z, vec.w);
   //       }
   //    }
   // };
   // THREE.SkinnedMesh.prototype.updateMatrixWorld = function(force) {
   //    THREE.Mesh.prototype.updateMatrixWorld.call(this, true);
   //    if (this.bindMode === "attached") {
   //       this.bindMatrixInverse.getInverse(this.matrixWorld);
   //    } else if (this.bindMode === "detached") {
   //       this.bindMatrixInverse.getInverse(this.bindMatrix);
   //    } else {
   //       console.warn('THREE.SkinnedMesh unrecognized bindMode: ' + this.bindMode);
   //    }
   // };
   // THREE.SkinnedMesh.prototype.clone = function() {
   //    return new this.constructor(this.geometry, this.material, this.useVertexTexture).copy(this);
   // };
}