【Pygame 第8课】 火力全开

waller516435165

1. # -*- coding: cp936 -*-
   
2. import random
   
3. import pygame
   
4. from sys import exit
   
5. 
   
6. class Enemy:
   
7.     def restart(self):
   
8.         self.x = random.randint(50,400)
   
9.         self.y = random.randint(-200,-50)
   
10.         self.speed = random.random() + 0.1
    
11. 
    
12.     def __init__(self):
    
13.         self.restart()
    
14.         self.image = pygame.image.load('enemy.png').convert_alpha()
    
15. 
    
16.     def move(self):
    
17.         if self.y < 800:
    
18.             self.y += self.speed
    
19.         else:
    
20.            self.restart()
    
21. 
    
22. <span style="line-height: 1.5;">class Bullet:</span>
    
23.     def __init__(self):
    
24.         self.x = 0
    
25.         self.y = -1
    
26.         self.image = pygame.image.load('bullet.png').convert_alpha()
    
27.         self.active = False
    
28.         
    
29.     def move(self):
    
30.         if self.active:
    
31.             self.y -= 3
    
32.         if self.y < 0:
    
33.             self.active = False
    
34. 
    
35.     def restart(self):
    
36.         mouseX,mouseY = pygame.mouse.get_pos()
    
37.         self.x = mouseX - self.image.get_width()/2
    
38.         self.y = mouseY - self.image.get_height()/2
    
39.         self.active = True
    
40. 
    
41. pygame.init()
    
42. screen = pygame.display.set_mode((450,800),0,32)
    
43. pygame.display.set_caption("Hello,World!")
    
44. background = pygame.image.load('bg.jpg').convert()
    
45. plane = pygame.image.load('plane.png').convert_alpha()
    
46. 
    
47. #创建子弹的list
    
48. bullet = []
    
49. for i in range(5):
    
50.     bullets.append(Bullet())
    
51. count_b = len(bullets)
    
52. index_b = 0
    
53. interval_b = 0
    
54.    
    
55. enemy = Enemy()
    
56. while True:
    
57. 
    
58.     for event in pygame.event.get():
    
59.         if event.type == pygame.QUIT:
    
60.             pygame.quit()
    
61.             exit()
    
62.     screen.blit(background,(0,0))
    
63.     interval_b -= 1
    
64.     if interval_b < 0:
    
65.         bullets[index_b].restart()
    
66.         interval_b = 100
    
67.         index_b = (index_b + 1) % count_b
    
68.     for b in bullets:
    
69.         if b.active:
    
70.             b.move()
    
71.             screen.blit(b.image,(b.x,b.y))
    
72. 
    
73.     enemy.move()
    
74.     screen.blit(enemy.image,(enemy.x,enemy.y))
    
75.     x,y = pygame.mouse.get_pos()
    
76.     x -= plane.get_width()/2
    
77.     y -= plane.get_height()/2
    
78.     screen.blit(plane,(x,y))
    
79.     pygame.display.update()
    

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为什么我的代码run了以后，python没有响应？跟第8课的代码一模一样啊。求教先生

waller516435165

waller516435165 发表于 2013-9-8 04:12
为什么我的代码run了以后，python没有响应？跟第8课的代码一模一样啊。求教先生

...

发现问题了...我的变量命名错了，bullets，我的是bullet....粗心要不得啊