擅长:python、mysql、java
<p>因为你的缩进是错的。在</p>
<p>下面是正确的代码:</p>
<pre><code> elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
player._vx = -3
if event.key == pygame.K_p:
print('paused')
pygame.display.update()
if event.key == pygame.K_r or not player.alive():
print('gameover')
pygame.display.flip()
elif event.key == pygame.K_RIGHT:
player._vx = 3
Enemy.go_left()
elif event.key == pygame.K_UP:
player.jump()
</code></pre>