private void UpdateFingerBone(FingersTarget.TargetedPhalanges phalange, int fingerNr, int boneNr)
        {
            Vector3 position = handTarget.humanoid.optitrack.GetTargetPosition(FingerBone(fingerNr, boneNr, handTarget.isLeft));

            if (position != Vector3.zero)
            {
                phalange.target.transform.position = position;
                phalange.target.transform.rotation = handTarget.humanoid.optitrack.GetTargetRotation(FingerBone(fingerNr, boneNr, handTarget.isLeft));
            }
        }
        private static Quaternion CalculatePhalanxRotation(FingersTarget.TargetedPhalanges phalanx, Quaternion parentRotation)
        {
            if (phalanx.target.transform == null)
            {
                return(Quaternion.identity);
            }

            Quaternion phalanxRotationOnParent = parentRotation * phalanx.target.transform.localRotation;

            return(phalanxRotationOnParent);
        }