飞机大战

#coding=utf-8import pygamefrom pygame.locals import *import timeimport randomclass Base(object):    def __init__(self,x,y,screen,image_name):        self.x=x        self.y=y        self.screen=screen        self.image=pygame.image.load(image_name).convert()class BaseBullet(Base):    def __init__(self,x,y,screen,image_name):        Base.__init__(self,x,y,screen,image_name)    def display(self):        self.screen.blit(self.image,(self.x,self.y))class Bullet(BaseBullet):    def __init__(self,x,y,screen):          BaseBullet.__init__(self,x+40, y-20, screen,"C:/Users/lenovo/Desktop/feiji/bullet-3.gif")    def move(self):            self.y-=10      def judge(self):        if self.y<0:            return True        else:               return False  #谁发射 谁创建       class EnemyBullet(BaseBullet):    def __init__(self,x,y,screen):         BaseBullet.__init__(self,x+25, y+40, screen,"C:/Users/lenovo/Desktop/feiji/bullet1.png")    def move(self):            self.y+=5      def judge(self):        if self.y>600:            return True        else:               return False class BasePlane(Base):    def __init__(self,x,y,screen,image_name):        Base.__init__(self,x,y,screen,image_name)        self.bullet_list=[]#存储子弹      def display(self):         #更新飞机的位置        self.screen.blit(self.image,(self.x,self.y))        #存放需要删除的对象信息        needDelItemList=[]        for i in self.bullet_list:            if i.judge():                needDelItemList.append(i)        for i in needDelItemList:            self.bullet_list.remove(i)        #更新及这架飞机发射出的所有子弹的位置        #子弹移动了 判断每一颗子弹和子弹的位置        for bullet in self.bullet_list:            bullet.display()            bullet.move()    class HeroPlane(BasePlane):    def __init__(self,screen):#默认有照片 默认有位置        BasePlane.__init__(self,200,500,screen,"C:/Users/lenovo/Desktop/feiji/hero.gif")        self.hit=False #表示是否要爆炸        self.bomb_list=[]#用来存储爆炸时需要的图片        self.__create_images()        self.image_num = 0     #   用来记录while True的次数,当次数达到一定值时才显示一张爆炸的图,然后清空,,当这个次数再次达到时,再显示下一个爆炸效果的图片        self.image_index = 0#用来记录当前要显示的爆炸效果的图片的序号    def __create_images(self):        self.bomb_list.append(pygame.image.load("C:/Users/lenovo/Desktop/feiji/hero_blowup_n1.png"))        self.bomb_list.append(pygame.image.load("C:/Users/lenovo/Desktop/feiji/hero_blowup_n2.png"))        self.bomb_list.append(pygame.image.load("C:/Users/lenovo/Desktop/feiji/hero_blowup_n3.png"))        self.bomb_list.append(pygame.image.load("C:/Users/lenovo/Desktop/feiji/hero_blowup_n4.png"))    def display(self):        if self.hit==True:            self.screen.blit(self.bomb_list[self.image_index],(self.x,self.y))            self.image_num+=1            if self.image_num == 5:                self.image_num=0                self.image_index+=1            if self.image_index>3:                time.sleep(0.1)                print("failure")                exit()        else:                self.screen.blit(self.image,(self.x, self.y))            #存放需要删除的对象信息        needDelItemList=[]        for i in self.bullet_list:            if i.judge():                needDelItemList.append(i)        for i in needDelItemList:            self.bullet_list.remove(i)        #更新及这架飞机发射出的所有子弹的位置        #子弹移动了 判断每一颗子弹和子弹的位置        for bullet in self.bullet_list:            bullet.display()            bullet.move()        def bomb(self):        self.hit = True        def moveLeft(self):        self.x-=20    def moveRight(self):         self.x+=20    def moveUp(self):        self.y-=20    def moveDown(self):        self.y+=20    def fire(self):        newBullet=Bullet(self.x,self.y,self.screen)        self.bullet_list.append(newBullet)class EnemyPlane(BasePlane):    def __init__(self,screen):        BasePlane.__init__(self,0,0,screen,"C:/Users/lenovo/Desktop/feiji/enemy0.png")        self.direction="right"#用来存储飞机默认的显示方向    def move(self):        if self.direction=="right":            self.x+=2        elif self.direction=="left":            self.x-=2        if(self.x>480-50):            self.direction="left"        elif(self.x<0):           self.direction="right"          def fire(self):        random_num=random.randint(1,200)        if random_num==7 or random_num==20:            self.bullet_list.append(EnemyBullet(self.x, self.y,self.screen))def key_control(heroPlane):     for event in pygame.event.get():            if event.type == QUIT:                print("exit")                exit()            elif event.type == KEYDOWN:                if event.key == K_a or event.key==K_LEFT:                    print('left')                    heroPlane.moveLeft()                elif event.key == K_d or event.key==K_RIGHT:                    print('right')                    heroPlane.moveRight()                elif event.key == K_w or event.key==K_UP:                     print('up')                     heroPlane.moveUp()                elif event.key ==K_s or event.key==K_DOWN:                     print('down')                     heroPlane.moveDown()                elif event.key == K_SPACE:                     heroPlane.fire()                   elif event.key == K_b:                     print('b')                     heroPlane.bomb()                 if __name__=="__main__":    screen=pygame.display.set_mode((480,600),0, 32)    background=pygame.image.load("C:/Users/lenovo/Desktop/feiji/background.png").convert()    heroPlane=HeroPlane(screen)    enemy=EnemyPlane(screen)    while True:        screen.blit(background,(0,0))         heroPlane.display()        enemy.display()#让敌机显示        enemy.move()#调用敌机的move方法        enemy.fire()#让敌机开火        pygame.display.update()          key_control(heroPlane)        time.sleep(0.01)

for循环的坑

(防止列表循环的时候删自己列表元素出现bug)

==不能边遍历边删==

是指不能删自己循环的列表，可以删其他人

for 循环遍历一个列表的时候删除一个元素是有坑的

刚好指向下一个元素

11 22 33 删除了 33 ，44刚好进一位（补上），所以44没有删掉

==把谁要删的记下来==

a=[11,22,33,44,55]b=[]for i in a:    if i=33 or i=44:        b.append(i)for i in b:        a.remove(i)print(a)