更新 'alien_invasion.py'

alien_invasion.py

@@ -1,43 +1,40 @@
-import sys
-
-import pygame
-
-from settings import Settings
-from ship import Ship
-
-class AlienInvasion:
-    """管理游戏资源和行为的类"""
-
-    def __init__(self):
-        """初始化游戏并创建游戏资源"""
-        pygame.init()
-        self.settings = Settings()
-
-        self.screen = pygame.display.set_mode(
-            (self.settings.screen_width, self.settings.screen_height))
-        pygame.display.set_caption("Alien Invasion")
-
-        self.ship = Ship(self)
-
-        # 设置背景色
-        self.bg_color = (230, 230, 230)
-
-    def run_game(self):
-        """开始游戏的主循环"""
-        while True:
-            # 监视键盘和鼠标事件
-            for event in pygame.event.get():
-                if event.type == pygame.QUIT:
-                    sys.exit()
-
-            # 每次循环时都重绘屏幕
-            self.screen.fill(self.settings.bg_color)
-            self.ship.blitme()
-
-            # 让最近绘制的屏幕可见
-            pygame.display.flip()
-
-if __name__ == '__main__':
-    # 创建游戏实例并运行游戏
-    ai = AlienInvasion()
+import sys
+
+import pygame
+
+from settings import Settings
+from ship import Ship
+
+class AlienInvasion:
+    """管理游戏资源和行为的类"""
+
+    def __init__(self):
+        """初始化游戏并创建游戏资源"""
+        pygame.init()
+        self.settings = Settings()
+
+        self.screen = pygame.display.set_mode(
+            (self.settings.screen_width, self.settings.screen_height))
+        pygame.display.set_caption("Alien Invasion")
+
+        self.ship = Ship(self)
+
+    def run_game(self):
+        """开始游戏的主循环"""
+        while True:
+            # 监视键盘和鼠标事件
+            for event in pygame.event.get():
+                if event.type == pygame.QUIT:
+                    sys.exit()
+
+            # 每次循环时都重绘屏幕
+            self.screen.fill(self.settings.bg_color)
+            self.ship.blitme()
+
+            # 让最近绘制的屏幕可见
+            pygame.display.flip()
+
+if __name__ == '__main__':
+    # 创建游戏实例并运行游戏
+    ai = AlienInvasion()
     ai.run_game()