pygame不出来图形,求大神指点

酱油先生

1. import pygame
   
2. from pygame .locals import *
   
3. pygame.init()
   
4. screen = pygame.display.set_mode((600,500))
   
5. pygame .display.set_caption("Drowing rectanglres")
   
6. pos_x = 300
   
7. pos_y = 250
   
8. vel_x = 2
   
9. vel_y = 1
   
10. while True:
    
11.     for event in pygame.event.get():
    
12.         if event.type in (QUIT,KEYDOWN):
    
13.             sys.exit()
    
14. 
    
15. screen.fill((0,0,200))
    
16. 
    
17. #move the rectangle
    
18. pos_x += vel_x
    
19. pos_y += vel_y
    
20. 
    
21. #keep rectangle on the screen
    
22. if pos_x > 500 or pos_x <0:
    
23.     vel_x = -vel_x
    
24. if pos_y >400 or pos_y < 0:
    
25.     vel_y = -vel_y
    
26. 
    
27. 
    
28. #draw the rectangle
    
29. color = 255,255,0
    
30. width = 0 #solid fill
    
31. pos = pos_x,pos_Y,100,100
    
32. pygame.draw.rect(screen, color, pos, width)
    
33. 
    
34. pygame.display.update()

复制代码

试了好多次都是黑屏T-T  

Eooming

因为你的程序会在while中一直循环，应该把15行以下的代码缩进到while中~