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import pygame
import sys
import traceback
import my_plane
import enemy
import bullet
from pygame.locals import *
pygame.init()
bg_size = weight, height = 400, 700
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption("飞机大战")
background = pygame.image.load('背景.png').convert()
def add_enemies(group, num):
for i in range(num):
e = enemy.Enemy(bg_size)
group.add(e)
def main():
me = my_plane.MyPlane(bg_size)
enemies = pygame.sprite.Group()
add_enemies(enemies, 15)
bullet = []
bullet_index = 0
bullet_num = 4
for i in range(bullet_num):
bullet.append(bullet(me.rect.midtop))
clock = pygame.time.Clock()
delay = 100
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
key_pressed = pygame.key.get_pressed()
if key_pressed[K_w] or key_pressed[K_UP]:
me.move_up()
if key_pressed[K_s] or key_pressed[K_DOWN]:
me.move_down()
if key_pressed[K_a] or key_pressed[K_LEFT]:
me.move_left()
if key_pressed[K_d] or key_pressed[K_RIGHT]:
me.move_right()
screen.blit(background, (0, 0))
if not(delay % 10):
bullet[bullet_index].reset(me.rect.midtop)
bullet_index = (bullet_index + 1) % bullet_num
for b in bullet:
if b.active:
b.move()
screen.blit(b.image, b.rect)
enemy_hit = pygame.sprite.spritecollide(b, enemies, False)
if enemy_hit:
b.active = False
for e in enemy_hit:
e.active = False
for each in enemies:
if each.active:
each.move()
screen.blit(each.image, each.rect)
else:
each.reset()
enemies_down = pygame.sprite.spritecollide(me, enemies, False)
if enemies_down:
me.active = False
for e in enemies_down:
e.active = False
if me.active:
screen.blit(me.image, me.rect)
else:
running = False
pygame.display.flip()
clock.tick(60)
if __name__ == "__main__":
try:
main()
except SystemExit:
pass
traceback.print_exc()
pygame.quit()
input()
未使用的 import 语句 'import bullet'
从外部作用域隐藏名称 'bullet'
为什么会出现这两个问题,请大佬解答一下
你好!根据你提供的代码,出现两个问题的原因如下:
1. "未使用的 import 语句 'import bullet'从外部作用域隐藏名称 'bullet'":这个警告表示在代码中导入了bullet模块,但是并没有在后续代码中使用该模块的内容。可以通过删除该行导入语句来解决这个问题。
2. "name 'main' is not defined":这个错误是因为在主程序中调用了 main()函数,但是这个函数没有被定义。要解决这个问题,你需要在代码中定义一个名为 main()的函数,并在其中编写主程序逻辑。
下面是修改后的代码示例:
- import pygame
- import sys
- import traceback
- import my_plane
- import enemy
- from pygame.locals import *
- pygame.init()
- bg_size = weight, height = 400, 700
- screen = pygame.display.set_mode(bg_size)
- pygame.display.set_caption("飞机大战")
- background = pygame.image.load('背景.png').convert()
- def add_enemies(group, num):
- for i in range(num):
- e = enemy.Enemy(bg_size)
- group.add(e)
- def main():
- me = my_plane.MyPlane(bg_size)
- enemies = pygame.sprite.Group()
- add_enemies(enemies, 15)
- bullet = []
- bullet_index = 0
- bullet_num = 4
- for i in range(bullet_num):
- bullet.append(bullet(me.rect.midtop))
-
- clock = pygame.time.Clock()
- delay = 100
- running = True
-
- while running:
- for event in pygame.event.get():
- if event.type == pygame.QUIT:
- pygame.quit()
- sys.exit()
-
- key_pressed = pygame.key.get_pressed()
- if key_pressed[K_w] or key_pressed[K_UP]:
- me.move_up()
- if key_pressed[K_s] or key_pressed[K_DOWN]:
- me.move_down()
- if key_pressed[K_a] or key_pressed[K_LEFT]:
- me.move_left()
- if key_pressed[K_d] or key_pressed[K_RIGHT]:
- me.move_right()
-
- screen.blit(background, (0, 0))
-
- if not(delay % 10):
- bullet[bullet_index].reset(me.rect.midtop)
- bullet_index = (bullet_index + 1) % bullet_num
-
- for b in bullet:
- if b.active:
- b.move()
- screen.blit(b.image, b.rect)
- enemy_hit = pygame.sprite.spritecollide(b, enemies, False)
- if enemy_hit:
- b.active = False
- for e in enemy_hit:
- e.active = False
-
- for each in enemies:
- if each.active:
- each.move()
- screen.blit(each.image, each.rect)
- else:
- each.reset()
-
- enemies_down = pygame.sprite.spritecollide(me, enemies, False)
- if enemies_down:
- me.active = False
- for e in enemies_down:
- e.active = False
-
- if me.active:
- screen.blit(me.image, me.rect)
- else:
- running = False
-
- pygame.display.flip()
- clock.tick(60)
- if __name__ == "__main__":
- try:
- main()
- except SystemExit:
- pass
- traceback.print_exc()
- pygame.quit()
- input()
复制代码
希望能帮到你!如有其他问题,请随时提问。
如果问题已经解决,请设置最佳答案
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