飞机大战报告函数未赋值

star__hero

import pygame
import sys
import traceback
import myplane
import enemy

from pygame.locals import*
from random import *


pygame.init()
pygame.mixer.init()

bg_size = width,height = 400,700
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption('飞机大战——star ')

background = pygame.image.load('images/background.png').convert()

#载入音乐
pygame.mixer.music.load("sound/game_music.ogg")
pygame.mixer.music.set_volume(0.2)
bullet_sound = pygame.mixer.Sound("sound/bullet.wav")
bullet_sound.set_volume(0.2)
bomb_sound = pygame.mixer.Sound("sound/use_bomb.wav")
bomb_sound.set_volume(0.2)
supply_sound = pygame.mixer.Sound("sound/supply.wav")
supply_sound.set_volume(0.2)
get_bomb_sound = pygame.mixer.Sound("sound/get_bomb.wav")
get_bomb_sound.set_volume(0.2)
get_bullet_sound = pygame.mixer.Sound("sound/get_bullet.wav")
get_bullet_sound.set_volume(0.2)
upgrade_sound = pygame.mixer.Sound("sound/upgrade.wav")
upgrade_sound.set_volume(0.2)
enemy3_fly_sound = pygame.mixer.Sound("sound/enemy3_flying.wav")
enemy3_fly_sound.set_volume(0.2)
enemy1_down_sound = pygame.mixer.Sound("sound/enemy1_down.wav")
enemy1_down_sound.set_volume(0.2)
enemy2_down_sound = pygame.mixer.Sound("sound/enemy2_down.wav")
enemy2_down_sound.set_volume(0.2)
enemy3_down_sound = pygame.mixer.Sound("sound/enemy3_down.wav")
enemy3_down_sound.set_volume(0.5)
me_down_sound = pygame.mixer.Sound("sound/me_down.wav")
me_down_sound.set_volume(0.2)


def add_small_enemies(group1, group2, num):
    for i in range(num):
        e1 = enemy.SmallEnemy(bg_size)
        group1.add(e1)
        group2.add(e1)

def add_mid_enemies(group1, group2, num):
    for i in range(num):
        e2 = enemy.MidEnemy(bg_size)
        group1.add(e2)
        group2.add(e2)

def add_big_enemies(group1, group2, num):
    for i in range(num):
        e3 = enemy.BigEnemy(bg_size)
        group1.add(e3)
        group2.add(e3)



def main():
    pygame.mixer.music.play(-1)



    #绘制大型敌机
    for each in big_enemies:
        each.move()
        if switch_image:
            screen.blit(each,image1, each.rect)
        else:
            screen.blit(each,image2, each.rect)
        #即将出现在画面，播放音效
        if each.rect.bottom > -50:
            enemy3_fly_sound.play()



    #绘制中型敌机
    for each in mid_enemies:
        each.move()
        screen.blit(each.image, each.rect)


    #绘制型敌机
    for each in small_enemies:
        each.move()
        screen.blit(each.image, each.rect)

        
    #生成我方飞机
    me = myplane.MyPlane(bg_size)


    enemies = pygame.sprite.Group()


   # 生成敌方小型飞机
    small_enemies = pygame.sprite.Group()
    add_small_enemies(small_enemies, enemies, 15)

    # 生成敌方中型飞机
    mid_enemies = pygame.sprite.Group()
    add_mid_enemies(mid_enemies, enemies, 4)

    # 生成敌方大型飞机
    big_enemies = pygame.sprite.Group()
    add_big_enemies(big_enemies, enemies, 2)


    clock = pygame.time.Clock()

    #用于切换图片
    switch_image = True


    #用于延迟
    delay = 100

   
    running = True

    while running:
        for event in pygame.event.get():
            if event.type == QUIT:
                pygame.quit()
                sys.exit()

        #检测用户的键盘操作
        key_pressed = pygame.key.get_pressed()

        if key_pressed[K_w] or key_pressed[K_UP]:
            me.moveUp()
        if key_pressed[K_s] or key_pressed[K_DOWN]:
            me.moveDown()
        if key_pressed[K_a] or key_pressed[K_LEFT]:
            me.moveLeft()
        if key_pressed[K_d] or key_pressed[K_RIGHT]:
            me.moveRight()
        screen.blit(background,(0,0))
        #绘制我方飞机
        if switch_image:
            screen.blit(me.image1, me.rect)
        else:
            screen.blit(me.image2, me.rect)


        #切换图片
        if not(delay % 5):
            switch_image = not switch_image


        delay -= 1
        if not delay:
            delay = 100

        
        pygame.display.flip()

        clock.tick(60)


if __name__=='__main__':
    try:
        main()
    except SystemExit:
        pass
    except:
        traceback.print_exc()
        pygame.quit()
        input()
哪位大佬可以讲解一下

qiuyouzhi

报错信息（详细）？
截个图也行啊

star__hero

qiuyouzhi 发表于 2020-4-8 17:28
报错信息（详细）？
截个图也行啊

Traceback (most recent call last):
  File "C:\Users\Herobrine\Desktop\飞机大战\main.py", line 171, in <module>
    main()
  File "C:\Users\Herobrine\Desktop\飞机大战\main.py", line 73, in main
    for each in big_enemies:
UnboundLocalError: local variable 'big_enemies' referenced before assignment

zltzlt

star__hero 发表于 2020-4-8 17:29
Traceback (most recent call last):
  File "C:%users\Herobrine\Desktop\飞机大战\main.py", line 171 ...

应该是代码哪里变量名打错了

star__hero

zltzlt 发表于 2020-4-8 17:30
应该是代码哪里变量名打错了

可以告诉我到底哪里错了吗，懵逼一天了，都没找到

qiuyouzhi

star__hero 发表于 2020-4-8 17:34
可以告诉我到底哪里错了吗，懵逼一天了，都没找到

你的big_enemies在这个for循环后面啊。。。
怎么着也得让big_enemies在前面吧

1. import pygame
   
2. import sys
   
3. import traceback
   
4. import myplane
   
5. import enemy
   
6. 
   
7. from pygame.locals import*
   
8. from random import *
   
9. 
   
10. 
    
11. pygame.init()
    
12. pygame.mixer.init()
    
13. 
    
14. bg_size = width,height = 400,700
    
15. screen = pygame.display.set_mode(bg_size)
    
16. pygame.display.set_caption('飞机大战——star ')
    
17. 
    
18. background = pygame.image.load('images/background.png').convert()
    
19. 
    
20. #载入音乐
    
21. pygame.mixer.music.load("sound/game_music.ogg")
    
22. pygame.mixer.music.set_volume(0.2)
    
23. bullet_sound = pygame.mixer.Sound("sound/bullet.wav")
    
24. bullet_sound.set_volume(0.2)
    
25. bomb_sound = pygame.mixer.Sound("sound/use_bomb.wav")
    
26. bomb_sound.set_volume(0.2)
    
27. supply_sound = pygame.mixer.Sound("sound/supply.wav")
    
28. supply_sound.set_volume(0.2)
    
29. get_bomb_sound = pygame.mixer.Sound("sound/get_bomb.wav")
    
30. get_bomb_sound.set_volume(0.2)
    
31. get_bullet_sound = pygame.mixer.Sound("sound/get_bullet.wav")
    
32. get_bullet_sound.set_volume(0.2)
    
33. upgrade_sound = pygame.mixer.Sound("sound/upgrade.wav")
    
34. upgrade_sound.set_volume(0.2)
    
35. enemy3_fly_sound = pygame.mixer.Sound("sound/enemy3_flying.wav")
    
36. enemy3_fly_sound.set_volume(0.2)
    
37. enemy1_down_sound = pygame.mixer.Sound("sound/enemy1_down.wav")
    
38. enemy1_down_sound.set_volume(0.2)
    
39. enemy2_down_sound = pygame.mixer.Sound("sound/enemy2_down.wav")
    
40. enemy2_down_sound.set_volume(0.2)
    
41. enemy3_down_sound = pygame.mixer.Sound("sound/enemy3_down.wav")
    
42. enemy3_down_sound.set_volume(0.5)
    
43. me_down_sound = pygame.mixer.Sound("sound/me_down.wav")
    
44. me_down_sound.set_volume(0.2)
    
45. 
    
46. 
    
47. def add_small_enemies(group1, group2, num):
    
48.     for i in range(num):
    
49.         e1 = enemy.SmallEnemy(bg_size)
    
50.         group1.add(e1)
    
51.         group2.add(e1)
    
52. 
    
53. def add_mid_enemies(group1, group2, num):
    
54.     for i in range(num):
    
55.         e2 = enemy.MidEnemy(bg_size)
    
56.         group1.add(e2)
    
57.         group2.add(e2)
    
58. 
    
59. def add_big_enemies(group1, group2, num):
    
60.     for i in range(num):
    
61.         e3 = enemy.BigEnemy(bg_size)
    
62.         group1.add(e3)
    
63.         group2.add(e3)
    
64. 
    
65. 
    
66. 
    
67. def main():
    
68.     pygame.mixer.music.play(-1)
    
69. 
    
70.    # 生成敌方小型飞机
    
71.     small_enemies = pygame.sprite.Group()
    
72.     add_small_enemies(small_enemies, enemies, 15)
    
73. 
    
74.     # 生成敌方中型飞机
    
75.     mid_enemies = pygame.sprite.Group()
    
76.     add_mid_enemies(mid_enemies, enemies, 4)
    
77. 
    
78.     # 生成敌方大型飞机
    
79.     big_enemies = pygame.sprite.Group()
    
80.     add_big_enemies(big_enemies, enemies, 2)
    
81. 
    
82.     #绘制大型敌机
    
83.     for each in big_enemies:
    
84.         each.move()
    
85.         if switch_image:
    
86.             screen.blit(each,image1, each.rect)
    
87.         else:
    
88.             screen.blit(each,image2, each.rect)
    
89.         #即将出现在画面，播放音效
    
90.         if each.rect.bottom > -50:
    
91.             enemy3_fly_sound.play()
    
92. 
    
93. 
    
94. 
    
95.     #绘制中型敌机
    
96.     for each in mid_enemies:
    
97.         each.move()
    
98.         screen.blit(each.image, each.rect)
    
99. 
    
100. 
     
101.     #绘制型敌机
     
102.     for each in small_enemies:
     
103.         each.move()
     
104.         screen.blit(each.image, each.rect)
     
105. 
     
106.         
     
107.     #生成我方飞机
     
108.     me = myplane.MyPlane(bg_size)
     
109. 
     
110. 
     
111.     enemies = pygame.sprite.Group()
     
112. 
     
113. 
     
114. 
     
115. 
     
116. 
     
117.     clock = pygame.time.Clock()
     
118. 
     
119.     #用于切换图片
     
120.     switch_image = True
     
121. 
     
122. 
     
123.     #用于延迟
     
124.     delay = 100
     
125. 
     
126.    
     
127.     running = True
     
128. 
     
129.     while running:
     
130.         for event in pygame.event.get():
     
131.             if event.type == QUIT:
     
132.                 pygame.quit()
     
133.                 sys.exit()
     
134. 
     
135.         #检测用户的键盘操作
     
136.         key_pressed = pygame.key.get_pressed()
     
137. 
     
138.         if key_pressed[K_w] or key_pressed[K_UP]:
     
139.             me.moveUp()
     
140.         if key_pressed[K_s] or key_pressed[K_DOWN]:
     
141.             me.moveDown()
     
142.         if key_pressed[K_a] or key_pressed[K_LEFT]:
     
143.             me.moveLeft()
     
144.         if key_pressed[K_d] or key_pressed[K_RIGHT]:
     
145.             me.moveRight()
     
146.         screen.blit(background,(0,0))
     
147.         #绘制我方飞机
     
148.         if switch_image:
     
149.             screen.blit(me.image1, me.rect)
     
150.         else:
     
151.             screen.blit(me.image2, me.rect)
     
152. 
     
153. 
     
154.         #切换图片
     
155.         if not(delay % 5):
     
156.             switch_image = not switch_image
     
157. 
     
158. 
     
159.         delay -= 1
     
160.         if not delay:
     
161.             delay = 100
     
162. 
     
163.         
     
164.         pygame.display.flip()
     
165. 
     
166.         clock.tick(60)
     
167. 
     
168. 
     
169. if __name__=='__main__':
     
170.     try:
     
171.         main()
     
172.     except SystemExit:
     
173.         pass
     
174.     except:
     
175.         traceback.print_exc()
     
176.         pygame.quit()
     
177.         input()

复制代码

star__hero

qiuyouzhi 发表于 2020-4-8 17:38
你的big_enemies在这个for循环后面啊。。。
怎么着也得让big_enemies在前面吧

？？？，哪一行啊

star__hero

qiuyouzhi 发表于 2020-4-8 17:38
你的big_enemies在这个for循环后面啊。。。
怎么着也得让big_enemies在前面吧

结果那个显示local variable 'enemies' referenced before assignment

qiuyouzhi

star__hero 发表于 2020-4-8 17:42
结果那个显示local variable 'enemies' referenced before assignment

那你就把（我的代码）第108行拖上去呗

star__hero

qiuyouzhi 发表于 2020-4-8 17:52
那你就把（我的代码）第108行拖上去呗

拖到哪

qiuyouzhi

star__hero 发表于 2020-4-8 17:53
拖到哪

。。。
拖到 71行前面

冰河星云

代码用代码格式发布
代码不会发的点我！
你这个样子发的话看着有点头晕

xiaosi4081

qiuyouzhi 发表于 2020-4-8 17:38
你的big_enemies在这个for循环后面啊。。。
怎么着也得让big_enemies在前面吧

报错"Unable to import 'myplane'"

qiuyouzhi

xiaosi4081 发表于 2020-4-9 11:57
报错"Unable to import 'myplane'"

你自己去看教程，那些模块都是要自己写的