自学教程：Python实现简单飞机大战

# -*- coding=utf-8 -*-import pygame, randomfrom pygame.locals import *class Base(object):    def __init__(self, x, y, screen):        self.screen = screen        self.x = x        self.y = yclass Player(Base):    def __init__(self):        super().__init__(210, 600, screen)        self.playerName = "./feiji/hero.gif"        self.player = pygame.image.load(self.playerName).convert()        self.bullet_list = []    def display(self):        self.screen.blit(self.player, (self.x, self.y))        for bullet in self.bullet_list:            bullet.display()            bullet.mov()    def move_left(self):        self.x -= 10    def move_right(self):        self.x += 10    def move_up(self):        self.y -= 10    def move_down(self):        self.y += 10    def shot(self):        bullet = Bullet()        self.bullet_list.append(bullet)class Bullet(Base):    def __init__(self):        super().__init__(player.x+40, player.y-20, screen)        self.bulletName = "./feiji/bullet-3.gif"        self.bullet = pygame.image.load(self.bulletName).convert()    def display(self):        self.screen.blit(self.bullet, (self.x, self.y))    def mov(self):        self.y -= 10class Enemy(Base):    def __init__(self):        super().__init__(random.randint(1, 10)*40, 0, screen)        self.enemyName = "./feiji/enemy-1.gif"        self.enemy = pygame.image.load(self.enemyName).convert()        self.enemy_list = []        self.i = 0    def mov(self):        self.y += 2class EnemyArea(Enemy):    def display(self):        # 每隔一段时间创建一架敌机        if self.i % 80 == 0:            new_enemy = Enemy()            self.enemy_list.append(new_enemy)        self.i += 1        for enemy in self.enemy_list:            self.screen.blit(enemy.enemy, (enemy.x, enemy.y))            enemy.mov()if __name__ == '__main__':    # 创建一个窗口，用来显示内容    screen = pygame.display.set_mode((480, 890))    # 创建一个和窗口大小的图片，用来充当背景    background = pygame.image.load("./feiji/background.png").convert()    player = Player()    enemy = Enemy()    enemy_area = EnemyArea()    while True:        screen.blit(background, (0, 0))        player.display()        enemy_area.display()        # 判断按键        for event in pygame.event.get():            if event.type == QUIT:                exit()            elif event.type == KEYDOWN:                if event.key == K_a or event.key == K_LEFT:                    player.move_left()                elif event.key == K_d or event.key == K_RIGHT:                    player.move_right()                elif event.key == K_w or event.key == K_UP:                    player.move_up()                elif event.key == K_s or event.key == K_DOWN:                    player.move_down()                elif event.key == K_SPACE:                    player.shot()                elif event.key == K_q:                    exit()        pygame.display.update()        pygame.time.delay(10)