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跟小甲鱼做飞机大战第二讲,下边代码能控制自己的飞机,但是敌人机生成不出来,但是也没有报错,求解答
import pygame
import sys
import traceback
import myplane
from pygame.locals import *
from random import *
import enemy
pygame.init()
pygame.mixer.init()
bg_size=width,height=480,700
screen=pygame.display.set_mode(bg_size)
pygame.display.set_caption("飞机大战")
background=pygame.image.load("images/background.png").convert()
#加载音乐
pygame.mixer.music.load("sound/game_music.ogg")
pygame.mixer.music.set_volume(0.2)
bulle_sound = pygame.mixer.Sound("sound/bullet.wav")
bulle_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_boom_sound = pygame.mixer.Sound("sound/get_bomb.wav")
get_boom_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)
a=pygame.mixer.Sound("sound/enemy3_flying.wav")
a.set_volume(0.2)
b=pygame.mixer.Sound("sound/enemy1_down.wav")
b.set_volume(0.1)
c=pygame.mixer.Sound("sound/enemy2_down.wav")
c.set_volume(0.2)
d=pygame.mixer.Sound("sound/enemy3_down.wav")
d.set_volume(0.5)
e=pygame.mixer.Sound("sound/me_down.wav")
e.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)
#生成飞机
me=myplane.MyPlane(bg_size)
#生成敌方飞机
enemies = pygame.sprite.Group()
#生成敌方小型飞机
small_enemies=pygame.sprite.Group()
add_small_enemies(small_enemies,enemies,15)
#生成中型飞机
mid_enemies=pygame.sprite.Group()
add_mid_enemies(mid_enemies,enemies,4)
#生成大型飞机
big_enemies=pygame.sprite.Group()
add_big_enemies(big_enemies,enemies,2)
clock=pygame.time.Clock()
#用于切换图片
switch_image=False
#用于延迟图片切换速度
delay=100
running=True
while running:
for event in pygame.event.get():
if event.type ==QUIT:
pygame.quit()
sys.exit()
#调用key模块,检测键盘操作
key_press = pygame.key.get_pressed()
if key_press[K_w] or key_press[K_UP]:
me.moveup()
if key_press[K_s] or key_press[K_DOWN]:
me.movedown()
if key_press[K_a] or key_press[K_LEFT]:
me.moveleft()
if key_press[K_d] or key_press[K_RIGHT]:
me.moveright()
screen.blit(background,(0,0))
#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)
#播放音效
if each.rect.bottom > -50:
a.play()
#绘制中型敌人机器
for each in mid_enemies:
each.move()
screen.blit(each.image,each.rect)
#绘制小型机器
for each in small_enemies:
each.move()
screen.blit(each.image,each.rect)
#绘制我方灰机
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()
myplane
import pygame
class MyPlane(pygame.sprite.Sprite):
def __init__(self,bg_size):
pygame.sprite.Sprite.__init__(self)
self.image1=pygame.image.load("images/me1.png").convert_alpha()
self.image2=pygame.image.load("images/me2.png").convert_alpha()
self.rect =self.image1.get_rect()
self.width,self.height = bg_size[0],bg_size[1]
self.rect.left,self.rect.top=\
(self.width-self.rect.width)//2,\
self.height-self.rect.height-60
self.speed = 10
def moveup(self):
if self.rect.top>0:
self.rect.top -= self.speed
else:
self.rect.top = 0
def movedown(self):
if self.rect.bottom < self.height-60:
self.rect.top += self.speed
else:
self.rect.bottom =self.height-60
def moveleft(self):
if self.rect.left >0:
self.rect.left -= self.speed
else:
self.rect.left = 0
def moveright(self):
if self.rect.right<self.width:
self.rect.right+=self.speed
else:
self.rect.right=self.width
生成敌人飞机enemy模块
import pygame
from random import *
class SmallEnemy(pygame.sprite.Sprite):
def __init__(self,bg_size):
pygame.sprite.Sprite.__init__(self)
self.image=pygame.image.load("images/enemy1.png").convert_alpha()
self.rect = self.image.get_rect()
self.width,self.height = bg_size[0],bg_size[1]
self.speed=10
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-5*self.height,0)
def move(self):
if self.rect.top < self.height:
self.rect.top += self.speed
else:
self.reset()
def reset(self):
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-5*self.height,0)
class MidEnemy(pygame.sprite.Sprite):
def __init__(self,bg_size):
pygame.sprite.Sprite.__init__(self)
self.image=pygame.image.load("images/enemy2.png").convert_alpha()
self.rect = self.image.get_rect()
self.width,self.height = bg_size[0],bg_size[1]
self.speed=10
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-10*self.height,-self.height)
def move(self):
if self.rect.top<self.height:
self.rect.top+=self.speed
else:
self.reset()
def reset(self):
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-10*self.height,-self.height)
class BigEnemy(pygame.sprite.Sprite):
def __init__(self,bg_size):
pygame.sprite.Sprite.__init__(self)
self.image1=pygame.image.load("images/enemy3_n1.png").convert_alpha()
self.image2=pygame.image.load("images/enemy3_n2.png").convert_alpha()
self.rect = self.image1.get_rect()
self.width,self.height = bg_size[0],bg_size[1]
self.speed=10
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-15*self.height,-5*self.height)
def move(self):
if self.rect.top< self.height:
self.rect.top+=self.speed
else:
self.reset()
def reset(self):
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-15*self.height,-5*self.height)
self.rect.left,self.rect.right=\
randint(0,self.width-self.rect.width),\
randint(-5*self.height,0)
你左右都是随机数,位置正确有鬼了,原来的是定义上左吧
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