Method shoot_a_ball

DemoPrograms/Demo_Graph_Ball_Game.py:71–75

(self, x, y, r, vector=(-10, 0), fill_color='black', line_color='red')

        return ball

    def shoot_a_ball(self, x, y, r, vector=(-10, 0), fill_color='black', line_color='red'):
        ball = self.add_ball(
            x, y, r, fill_color=fill_color, line_color=line_color)
        # ball.shape.surface_velocity=10
        ball.body.apply_impulse_at_local_point(100*pymunk.Vec2d(vector))


# -------------------  Build and show the GUI Window -------------------