void ShowPath(int speed)
 {
     if (currenPathExists)
     {
         HexCell_Script current = currentPathTo;
         while (current != currentPathFrom)
         {
             int turn = (current.Distance - 1) / speed;
             current.SetLabel(turn.ToString());
             current.EnableHighlight(Color.white);
             current = current.PathFrom;
         }
     }
     currentPathFrom.EnableHighlight(Color.blue);
     currentPathTo.EnableHighlight(Color.red);
 }