public Skeleton Clone()
        {
            var result = new Skeleton();
            result.Name = this.Name;
            result.Bones = new Bone[Bones.Length];

            for (int i = 0; i < Bones.Length; i++)
            {
                result.Bones[i] = Bones[i].Clone();
            }

            /** Construct tree **/
            foreach (var bone in result.Bones)
            {
                bone.Children = result.Bones.Where(x => x.ParentName == bone.Name).ToArray();
            }
            result.RootBone = result.Bones.FirstOrDefault(x => x.ParentName == "NULL");
            result.ComputeBonePositions(result.RootBone, Matrix.Identity);
            return result;
        }
        public Skeleton Clone()
        {
            var result = new Skeleton();

            result.Name  = this.Name;
            result.Bones = new Bone[Bones.Length];

            for (int i = 0; i < Bones.Length; i++)
            {
                result.Bones[i] = Bones[i].Clone();
            }

            /** Construct tree **/
            foreach (var bone in result.Bones)
            {
                bone.Children = result.Bones.Where(x => x.ParentName == bone.Name).ToArray();
            }
            result.RootBone = result.Bones.FirstOrDefault(x => x.ParentName == "NULL");
            result.ComputeBonePositions(result.RootBone, Matrix.Identity);
            return(result);
        }