这是pygame写的弹力球
运行效果：
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代码部分：
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1 #A bouncing ball
2
3 import sys, pygame
4
5 __author__ = {'name' : 'Hongten',
6 'mail' : '[email protected]',
7 'blog' : 'http://www.cnblogs.com/hongten',
8 'QQ' : '648719819',
9 'Version' : '1.0'}
10
11 pygame.init()
12
13 size = width, height = 600, 500
14 speed = [1, 1]
15 black = 249, 130, 57
16
17 screen = pygame.display.set_mode(size)
18
19 ball = pygame.image.load('c:\\test\\ball.gif')
20 ballrect = ball.get_rect()
21
22 while 1:
23 for event in pygame.event.get():
24 if event.type == pygame.QUIT:
25 sys.exit()
26
27 ballrect = ballrect.move(speed)
28 if ballrect.left < 0 or ballrect.right > width:
29 speed[0] = -speed[0]
30 if ballrect.top < 0 or ballrect.bottom > height:
31 speed[1] = - speed[1]
32
33 screen.fill(black)
34 screen.blit(ball, ballrect)
35 pygame.display.flip()