game_function.py 文件源码

def check_key_down(event, stats, snake_head, snake_parts, foods):
    if event.key == pygame.K_ESCAPE:
        sys.exit()
    elif event.key == pygame.K_p:
        if stats.game_active:
            if stats.pause_game:
                stats.pause_game = False
            else:
                stats.pause_game = True
        else:
            stats.game_active = True
            stats.first_start = False

            initialize_game(stats, snake_head, snake_parts, foods)

    elif not stats.moved and not stats.pause_game:
        if event.key == pygame.K_s:
            if snake_head.facing != "up":
                snake_head.facing = "down"
                stats.moved = True
        elif event.key == pygame.K_w:
            if snake_head.facing != "down":
                snake_head.facing = "up"
                stats.moved = True
        elif event.key == pygame.K_a:
            if snake_head.facing != "right":
                snake_head.facing = "left"
                stats.moved = True
        elif event.key == pygame.K_d:
            if snake_head.facing != "left":
                snake_head.facing = "right"
                stats.moved = True