删除 'ship'

ship

@@ -1,47 +0,0 @@
-import pygame
-from pygame.sprite import Sprite
-
-class Ship(Sprite):
-    """管理飞船的类"""
-
-    def __init__(self, ai_game):
-        """初始化飞船并设置其初始位置"""
-        super().__init__()
-        self.screen = ai_game.screen
-        self.settings = ai_game.settings
-        self.screen_rect = ai_game.screen.get_rect()
-
-        # 加载飞船图像并获取其外接矩形
-        self.image = pygame.image.load('images/ship.bmp')
-        self.rect = self.image.get_rect()
-
-        # 对于每艘新飞船，都将其放在屏幕底部的中央
-        self.rect.midbottom = self.screen_rect.midbottom
-
-        # 在飞船的属性x中存储最小值
-        self.x = float(self.rect.x)
-
-        # 移动标志
-        self.moving_right = False
-        self.moving_left = False
-
-    def update(self):
-        """根据移动标志调整飞船的位置"""
-        # 更新飞船而不是rect对象的x值
-        if self.moving_right and self.rect.right < self.screen_rect.right:
-            self.x += self.settings.ship_speed
-        if self.moving_left and self.rect.left > 0:
-            self.x -= self.settings.ship_speed
-
-        # 根据self.x更新rect对象
-        self.rect.x = self.x
-
-    def blitme(self):
-        """在指定位置绘制飞船"""
-        self.screen.blit(self.image, self.rect)
-
-    def center_ship(self):
-        """让飞船在屏幕底端局中"""
-        self.rect.midbottom = self.screen_rect.midbottom
-        self.x = float(self.rect.x)
-