def ball_update_position(ball):
    x = breakout.get_x(ball)
    y = breakout.get_y(ball)
    x += breakout.get_x_velocity(ball)
    y += breakout.get_y_velocity(ball)
    breakout.set_x(ball, x)
    breakout.set_y(ball, y)

    # If it hits the side walls, bounce off them
    if breakout.get_x(ball) >= constants.SCREEN_WIDTH:
        breakout.set_x_velocity(ball, -breakout.get_x_velocity(ball))
    if breakout.get_x(ball) < 0:
        breakout.set_x_velocity(ball, -breakout.get_x_velocity(ball))

    # If it hits the ceiling, bounce off it
    if breakout.get_y(ball) < 0:
        breakout.set_y_velocity(ball, -breakout.get_y_velocity(ball))
Exemple #2
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def ball_update_position(ball):
    x = breakout.get_x(ball)
    y = breakout.get_y(ball)
    x_velocity = breakout.get_x_velocity(ball)
    y_velocity = breakout.get_y_velocity(ball)
    new_x = x + x_velocity
    new_y = y + y_velocity
    breakout.set_x(ball, new_x)
    breakout.set_y(ball, new_y)
    if new_x >= constants.SCREEN_WIDTH - constants.BALL_RADIUS:
        x_velocity = x_velocity * -1
    elif new_x <= constants.BALL_RADIUS:
        x_velocity = x_velocity * -1
    elif new_y <= constants.BALL_RADIUS:
        y_velocity = y_velocity * -1
    breakout.set_x_velocity(ball, x_velocity)
    breakout.set_y_velocity(ball, y_velocity)
    if new_y == constants.SCREEN_HEIGHT - constants.BALL_RADIUS:
        x_velocity = x_velocity
        y_velocity = y_velocity
def ball_bounce_off(ball):
    breakout.set_y_velocity(ball, -breakout.get_y_velocity(ball))
Exemple #4
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def ball_bounce_off(ball):
    y = breakout.get_y_velocity(ball)
    breakout.set_y_velocity(ball, y * -1)