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star__hero 发表于 2020-4-8 17:26:33

飞机大战报告函数未赋值

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 or key_pressed:
            me.moveUp()
      if key_pressed or key_pressed:
            me.moveDown()
      if key_pressed or key_pressed:
            me.moveLeft()
      if key_pressed or key_pressed:
            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 发表于 2020-4-8 17:28:41

报错信息（详细）？
截个图也行啊

star__hero 发表于 2020-4-8 17:29:56

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 发表于 2020-4-8 17:30:26

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 发表于 2020-4-8 17:34:15

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 发表于 2020-4-8 17:38:12

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
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)

   # 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)

    #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()





    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 or key_pressed:
            me.moveUp()
      if key_pressed or key_pressed:
            me.moveDown()
      if key_pressed or key_pressed:
            me.moveLeft()
      if key_pressed or key_pressed:
            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()

star__hero 发表于 2020-4-8 17:41:38

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 发表于 2020-4-8 17:42:40

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 发表于 2020-4-8 17:52:35

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 发表于 2020-4-8 17:53:10

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 发表于 2020-4-8 18:04:45

star__hero 发表于 2020-4-8 17:53
拖到哪

。。。
拖到 71行前面

冰河星云 发表于 2020-4-9 11:37:55

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{:10_277:}

xiaosi4081 发表于 2020-4-9 11:57:39

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 发表于 2020-4-9 12:00:36

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

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