public static HandShape operator +(HandShape hand1, HandShape hand2)
        {
            HandShape result = new HandShape();

            result.leftHand  = hand1.leftHand + hand2.leftHand;
            result.rightHand = hand1.rightHand + hand2.rightHand;
            return(result);
        }
        public static HandShape operator *(HandShape hand, float weight)
        {
            HandShape result = new HandShape();

            result.leftHand  = hand.leftHand * weight;
            result.rightHand = hand.rightHand * weight;
            return(result);
        }