def run_game(): # 初始化游戏并创建一个屏幕对象 pygame.init() ai_settings = Settings() screen = pygame.display.set_mode( (ai_settings.screen_width, ai_settings.screen_height)) # screen = pygame.display.set_mode((1200, 800)) pygame.display.set_caption("Alian Invasion") # 创建Play按钮 play_button = Button(ai_settings, screen, "Play") # 设置背景颜色 bg_color = (85, 204, 220) # 创建一艘飞船 ship = Ship(ai_settings, screen) # 创建一个用于存储子弹的编组 bullets = Group() # 创建一艘飞船、一个子弹编组和一个外星人编组 aliens = Group() # 创建一个外星人 alien = Alien(ai_settings, screen) # 开始游戏的主循环 while True: gf.check_events(ai_settings, screen, play_button, ship, bullets) ship.update() # bullets.update() # 删除已消失的子弹 # for bullet in bullets.copy(): # if bullet.rect.bottom <= 0: # bullet.remove(bullet) print(len(bullets)) gf.update_bullets(bullets) gf.update_screen(ai_settings, screen, ship, alien, bullets, play_button) gf.update_screen(ai_settings, screen, ship, aliens, bullets) # 创建外星人群 gf.create_fleet(ai_settings, screen, ship, aliens) # 监视键盘和鼠标事件 for event in pygame.event.get(): if event.type == pygame.QUIT: sys.exeit() # 每次循环时都重绘屏幕 screen.fill(ai_settings.bg_color) # screen.fill(bg_color) ship.blitme() # 让最终绘制的屏幕可见 pygame.display.flip()
class AlienInvasion: """Класс для управления ресурсами и поведением игры.""" def __init__(self): pygame.init() self.settings = Settings() self.screen = pygame.display.set_mode((0, 0), pygame.FULLSCREEN) self.settings.screen_width = self.screen.get_rect().width self.settings.screen_height = self.screen.get_rect().height pygame.display.set_caption("Alien Invasion") self.stats = GameStats(self) self.sb = Scoreboard(self) self.ship = Ship(self) self.bullets = pygame.sprite.Group() self.aliens = pygame.sprite.Group() self._create_fleet() self.play_button = Button(self, 'Play') def run_game(self): while True: self._check_events() if self.stats.game_active: self.ship.update() self._update_bullets() self._update_aliens() self._update_screen() def _check_events(self): for event in pygame.event.get(): if event.type == pygame.QUIT: self._exit() elif event.type == pygame.KEYDOWN: self._check_keydown_events(event) elif event.type == pygame.KEYUP: self._check_keyup_events(event) elif event.type == pygame.MOUSEBUTTONDOWN: mouse_pos = pygame.mouse.get_pos() self._check_play_button(mouse_pos) def _check_play_button(self, mouse_pos): button_clicked = self.play_button.rect.collidepoint(mouse_pos) if button_clicked and not self.stats.game_active: self._start_game() def _start_game(self): self.settings.initialize_dynamic_settings() self.stats.reset_stats() self.stats.game_active = True self.sb.prep_images() self.aliens.empty() self.bullets.empty() self._create_fleet() self.ship.center_ship() pygame.mouse.set_visible(False) def _check_keydown_events(self, event): if event.key == pygame.K_RIGHT: self.ship.moving_right = True elif event.key == pygame.K_LEFT: self.ship.moving_left = True elif event.key in {pygame.K_q, pygame.K_ESCAPE}: self._exit() elif event.key == pygame.K_SPACE: self._fire_bullet() elif event.key == pygame.K_RETURN: # Enter key self._start_game() def _check_keyup_events(self, event): if event.key == pygame.K_RIGHT: self.ship.moving_right = False elif event.key == pygame.K_LEFT: self.ship.moving_left = False def _fire_bullet(self): if len(self.bullets) < self.settings.bullets_allowed: new_bullet = Bullet(self) self.bullets.add(new_bullet) def _update_bullets(self): self.bullets.update() for bullet in self.bullets.copy(): if bullet.rect.bottom <= 0: self.bullets.remove(bullet) self._check_bullet_alien_collision() def _check_bullet_alien_collision(self): collisions = pygame.sprite.groupcollide(self.bullets, self.aliens, True, True) if collisions: for aliens in collisions.values(): self.stats.score += self.settings.alien_points * len(aliens) self.sb.prep_score() self.sb.check_high_score() if not self.aliens: self._start_new_level() def _start_new_level(self): self.bullets.empty() self._create_fleet() self.settings.increase_speed() self.stats.level += 1 self.sb.prep_level() def _update_aliens(self): self._check_fleet_edges() self.aliens.update() if pygame.sprite.spritecollideany(self.ship, self.aliens): self._ship_hit() self._check_aliens_bottom() def _check_aliens_bottom(self): screen_rect = self.screen.get_rect() for alien in self.aliens.sprites(): if alien.rect.bottom >= screen_rect.bottom: self._ship_hit() break def _ship_hit(self): if self.stats.ships_left > 0: self.stats.ships_left -= 1 # 4 attempts. if before the condition, then 3 attempts self.sb.prep_ships() self.aliens.empty() self.bullets.empty() self._create_fleet() self.ship.center_ship() sleep(0.5) else: self.stats.game_active = False pygame.mouse.set_visible(True) def _create_fleet(self): alien = Alien(self) alien_width, alien_height = alien.rect.size available_space_x = self.settings.screen_width - (alien_width * 2) number_aliens_x = available_space_x // (2 * alien_width) ship_height = self.ship.rect.height available_space_y = self.settings.screen_height - 3 * alien_height - ship_height number_rows = available_space_y // (2 * alien_height) for row_number in range(number_rows): for alien_number in range(number_aliens_x): self._create_alien(alien_number, row_number) def _create_alien(self, alien_number, row_number): alien = Alien(self) alien_width, alien_height = alien.rect.size alien.x = alien_width + 2 * alien_width * alien_number alien.rect.x = alien.x alien.rect.y = alien_height + 2 * alien_height * row_number self.aliens.add(alien) def _check_fleet_edges(self): for alien in self.aliens.sprites(): if alien.check_edges(): self._change_fleet_direction() break def _change_fleet_direction(self): for alien in self.aliens.sprites(): alien.rect.y += self.settings.fleet_drop_speed self.settings.fleet_direction *= -1 def _update_screen(self): self.screen.fill(self.settings.bg_color) self.ship.blitme() for bullet in self.bullets.sprites(): bullet.draw_bullet() self.aliens.draw(self.screen) self.sb.show_score() if not self.stats.game_active: self.play_button.draw_button() pygame.display.flip() def _exit(self): with open('record.txt', 'w') as record: record.write(str(self.stats.high_score)) sys.exit()