删除 'ship.py'

ship.py

@@ -1,56 +0,0 @@
-import pygame
-from pygame.sprite import Sprite
-
-
-class Ship(Sprite):
-
-    def __init__(self, ai_settings, screen):
-        """初始化飞船并设置其初始位置"""
-        super(Ship, self).__init__()
-        self.screen = screen
-        self.ai_settings = ai_settings
-
-        # 加载飞船图像并获取其外接矩形
-        self.image = pygame.image.load('images/ship.png')
-        self.rect = self.image.get_rect()
-        self.screen_rect = screen.get_rect()
-
-        # 将每艘新飞船放在屏幕底部中央
-        self.rect.centerx = self.screen_rect.centerx
-        self.rect.bottom = self.screen_rect.bottom
-
-        # 在飞船的属性center中存储小数值
-        self.center = float(self.rect.centerx)
-        self.centery = float(self.rect.centery)
-
-        # 移动标志
-        self.moving_right = False
-        self.moving_left = False
-        self.moving_up = False
-        self.moving_down = False
-
-    def update(self):
-        """根据移动标志调整飞船的位置"""
-        # 更新飞船的center值,而不是rect
-        if self.moving_right and self.rect.right < self.screen_rect.right:
-            self.center += self.ai_settings.ship_speed_factor
-        if self.moving_left and self.rect.left > 0:
-            self.center -= self.ai_settings.ship_speed_factor
-
-        if self.moving_up and self.rect.top > 0:
-            self.centery -= self.ai_settings.ship_speed_factor
-        if self.moving_down and self.rect.bottom < self.screen_rect.bottom:
-            self.centery += self.ai_settings.ship_speed_factor
-
-        # 根据self.center更新rect对象
-        self.rect.centerx = self.center
-        self.rect.centery = self.centery
-
-    def center_ship(self):
-        """让飞船在屏幕上居中"""
-        self.center = self.screen_rect.centerx
-        self.centery = self.screen_rect.bottom
-
-    def blitme(self):
-        """在指定位置绘制飞船"""
-        self.screen.blit(self.image, self.rect)