本文共 3406 字，大约阅读时间需要 11 分钟。

?????????????????

?????????????????????????????????????????????????????

???????

class GameSprite(pygame.sprite.Sprite):    def __init__(self, image_name, speed=1):        super().__init__()        self.image = pygame.image.load(image_name)        self.rect = self.image.get_rect()        self.speed = speed

2. ?????????????????????????????????????????

class Background(GameSprite):    def __init__(self, is_alt=False):        super().__init__("./images/background.png")        if is_alt:            self.rect.y = -self.rect.height

3. ????????????????????????????

class Enemy(GameSprite):    def __init__(self):        super().__init__("./images/enemy1.png")        self.speed = random.randint(1,3)        max_x = SCREEN_RECT.width - self.rect.width        self.rect.x = random.randint(0, max_x)

4. ?????????????????????????????

class Hero(GameSprite):    def __init__(self):        super().__init__("./images/me1.png", 0)        self.rect.centerx = SCREEN_RECT.centerx        self.rect.bottom = SCREEN_RECT.bottom - 120        self.bullets_group = pygame.sprite.Group()

5. ???????????????????????

class Bullet(GameSprite):    def __init__(self):        super().__init__("./images/bullet1.png", -2)

?????????

6. ?????????????????????????????????????

class PlaneGame:    def __init__(self):        print("?????")        self.screen = pygame.display.set_mode(SCREEN_RECT.size)        self.clock = pygame.time.Clock()        self.__create_sprites()        pygame.time.set_timer(CREATE_ENEMY_EVENT, 1000)        pygame.time.set_timer(HERO_FIRE_EVENT, 500)

2. ?????????????????????????????????

def start_game(self):        print("????...")        while True:            self.clock.tick(FRAME_PRE_SEC)            self.__event_handler()            self.__check_collide()            self.__update_sprites()            pygame.display.update()

3. ???????????????????????????????

def __event_handler(self):        for event in pygame.event.get():            if event.type == pygame.QUIT:                PlaneGame.__game__over()            elif event.type == CREATE_ENEMY_EVENT:                enemy = Enemy()                self.enemy_group.add(enemy)            elif event.type == HERO_FIRE_EVENT:                self.hero.fire()        keys_pressed = pygame.key.get_pressed()        if keys_pressed[pygame.K_RIGHT]:            self.hero.speed = 2        elif keys_pressed[pygame.K_LEFT]:            self.hero.speed = -2        else:            self.hero.speed = 0

4. ?????????????????????????

def __check_collide(self):        pygame.sprite.groupcollide(self.hero.bullets_group, self.enemy_group, True, True)        enemies = pygame.sprite.spritecollide(self.hero, self(enemy_group), True)        if len(enemies) > 0:            self.hero.kill()            PlaneGame.__game__over()

5. ??????????????????????????

def __update_sprites(self):        self.back_group.update()        self.back_group.draw(self.screen)        self.enemy_group.update()        self.enemy_group.draw(self.screen)        self.hero_group.update()        self.hero_group.draw(self.screen)        self.hero.bullets_group.update()        self.hero.bullets_group.draw(self.screen)

??????????????????????

@staticmethod    def __game__over():        print("????")        pygame.quit()        exit()

????????????????????????????????????????????????????????????????????????

转载地址：http://dildz.baihongyu.com/