我如何更改代码以使播放器停在边缘而不是环绕？

Question

WIDTH = 800HEIGHT = 500background = Actor("background")player = Actor("player")player.x = 200player.y = 200def draw():screen.clear()background.draw()player.draw()def update():if keyboard.right:    player.x = player.x + 4if keyboard.left:    player.x = player.x - 4if keyboard.down:    player.y = player.y + 4if keyboard.up:    player.y = player.y - 4if player.x > WIDTH:    player.x = 0if player.x < 0:    player.x = WIDTHif player.y < 0:    player.y = HEIGHTif player.y > HEIGHT:    player.y = 0我想让玩家停在边缘而不是环绕并传送到另一边。帮助将不胜感激。

Answer 1

你把它弄错了：

if player.x > WIDTH:

    player.x = WIDTH

if player.x < 0:

    player.x = 0

if player.y < 0:

    player.y = 0

if player.y > HEIGHT:

    player.y = HEIGHT

Answer 2

已经有了答案，但我认为这段代码会更有效率。

def update():

 if keyboard.right and player.x<=WIDTH-4:

  player.x = player.x + 4

 if keyboard.left and player.x>=4:

  player.x = player.x - 4

 if keyboard.down and player.y<=HEIGHT-4:

  player.y = player.y + 4

 if keyboard.up and player.y>=4:

  player.y = player.y - 4