我的精灵在pygame中总是移出屏幕

Question

我最近在用pygame玩精灵和移动的东西，但我遇到一个问题：当我按住键的时候，精灵一直在动，不会停下来。但是如果它已经超过了应该停的位置，然后我松开键再试一次，它就会按预期停下来，不再移动。有没有办法让我精灵能立刻停下来，这样它就不会从我的屏幕上消失了呢？

    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_RIGHT:
            if player.x + 4 < 700:
            moveX = 4
        else:
            moveX = 0
        if event.key == pygame.K_LEFT:
            if player.x == 0:
            moveX = 0
        else:
            moveX = -4
        if event.key == pygame.K_UP:
            moveY = -4


    if event.type == pygame.KEYUP:
        if event.key == pygame.K_RIGHT:
            moveX = 0
        if event.key == pygame.K_LEFT:
        moveX = 0
        if event.key == pygame.K_UP:
        moveY = 0
        player.falling = True
            player.collision = False
        player.onground = False

Answer 1

看起来缩进有点问题。

if event.type == pygame.KEYDOWN:
    if event.key == pygame.K_RIGHT:
        if player.x + 4 < 700:
        moveX = 4   # <----- should this be here ?
    else:           # <----- this should match the `event.key == pygame.K_RIGHT` condition
        moveX = 0
    if event.key == pygame.K_LEFT:
        if player.x == 0:
        moveX = 0
    else:
        moveX = -4
    if event.key == pygame.K_UP:
        moveY = -4

你能重新调整一下缩进并检查一下吗？

if event.type == pygame.KEYDOWN:
    if event.key == pygame.K_RIGHT:
        if player.x + 4 < 700: moveX = 4
        else:                  moveX = 0
    if event.key == pygame.K_LEFT:
        if player.x == 0:      moveX = 0 # here you might want to try player.x <= 0 ...
        else:                  moveX = -4
   ...

这样可能会更容易处理……