def set_joystick(self, x, y, n):
        """
            Receives joystick values from the SnakeBoard
            
            x,y      Coordinates
            n        Robot number to give it to
        """
        self.robots[n].set_joystick(x, y)
Receives joystick values from the SnakeBoard
            
            x,y      Coordinates
            n        Robot number to give it to