public void clearArrow(Direction direction)
 {
     if (direction == Direction.right)
     {
         rightArrow = null;
     }
     else if (direction == Direction.left)
     {
         leftArrow = null;
     }
 }
 public void setArrows(Vector2 lVec, Vector2 rVec, string lName, string rName)
 {
     leftArrow  = new StaticArrowType(lVec, lName);
     rightArrow = new StaticArrowType(rVec, rName);
 }