game_functions1286.py 文件源码

def check_keydown_events(event, ai_settings, screen,ship,bullets):
    """Respond to keypresses."""
    if event.key == pygame.K_RIGHT:
        ship.moving_right = True
    elif event.key == pygame.K_LEFT:
        ship.moving_left = True

        #??????? ?? ???????????? ???add ???bullets ??????
    elif event.key == pygame.K_SPACE:
        if len(bullets)<ai_settings.bullets_allowed:
        #?????? ????? bullets?
            new_bullet =Bullet(ai_settings, screen,ship)
            bullets.add(new_bullet)