elif self.has_hit:
                # Reward if the puck slows down on the defending side
                if -0.8 < puck_pos[0] < -0.4:
                    r_y = 3 * np.exp(-3 * np.abs(puck_pos[1]))
                    r_x = np.exp(-5 * np.abs(puck_pos[0] + 0.6))