void Awake()
 {
     if (animationRootBone == null)
     {
         animationRootBone = transform;
     }
     skeleton = GetComponent <BasicSkeleton>();
 }
 void Start()
 {
     poseTarget = GetComponent <BasicSkeleton>();
     bones      = CanonicalRepresentation.AvatarMaskToCanonicalBones(boneMask);
 }