绘制蛇身
更新
小蛇的初始化
析构
只有在上下运动时才能向左/右,左右运动时才能向上/下
KEY_DIRECTION
SetDirection()
ChangeDirection()
CollideBox()
CollideSelf()
screen.blit(fail_img, (0, 0)) # 状态改变时运行一次即可
食物不能在蛇身上,也不能在现有食物上
食物闪烁效果
碰撞检测
消失并再次产生食物
在尾部添加蛇身
速度提升
绘制蛇身
更新
小蛇的初始化
析构
只有在上下运动时才能向左/右,左右运动时才能向上/下
KEY_DIRECTION
SetDirection()
ChangeDirection()
CollideBox()
CollideSelf()
screen.blit(fail_img, (0, 0)) # 状态改变时运行一次即可
食物不能在蛇身上,也不能在现有食物上
食物闪烁效果
碰撞检测
消失并再次产生食物
在尾部添加蛇身
速度提升
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