alien_invasion.py 文件源码

def run_game():
    # ?????,?????????
    pygame.init()
    ai_settings = Settings()
    screen = pygame.display.set_mode(
        (ai_settings.screen_width, ai_settings.screen_height))
    pygame.display.set_caption('Alien Invasion')
    # ????
    ship = Ship(ai_settings, screen)
    # ??????????????
    aliens = Group()
    # ??????
    gf.create_fleet(ai_settings, screen, aliens)
    # ?????????????
    bullets = Group()

    # ????????
    while True:
        # ?????????
        gf.check_events(ai_settings, screen, ship, bullets)
        ship.update()
        gf.update_bullet(bullets)
        # ????
        gf.update_screen(ai_settings, screen, ship, bullets,aliens)