上传文件至 'ship'

ship/ship.py

@@ -0,0 +1,42 @@
+import pygame
+from pygame.sprite import Sprite
+
+
+class Ship(Sprite):
+    def __init__(self, ai_settings, screen):
+        super(Ship, self).__init__()
+        # 加载飞船图像并获取其外接矩形
+        self.screen = screen
+        self.ai_settings = ai_settings
+        self.image = pygame.image.load('images/ship.bmp')
+        self.rect = self.image.get_rect()
+        self.image1 = pygame.image.load('images/ship1.bmp')
+        self.rect1 = self.image1.get_rect()
+        self.screen_rect = screen.get_rect()
+
+        # 将每艘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中存储最小值
+        self.center = float(self.rect.centerx)
+
+        # 移动标志
+        self.moving_right = False
+        self.moving_left = False
+
+    def update(self):
+        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
+
+        self.rect.centerx = self.center
+
+    def blitme(self):
+        # 在指定位置绘制飞船
+        self.screen.blit(self.image, self.rect)
+
+    def center_ship(self):
+        # 让飞船在屏幕中剧中
+        self.center = self.screen_rect.centerx