更新 'settings.py'

settings.py

@@ -1,9 +1,11 @@
-class Settings:
-    """存储游戏《外星人入侵》中所有设置的类"""
-
-    def __init__(self):
-        """初始化游戏的设置"""
-        # 屏幕设置
-        self.screen_width = 1200
-        self.screen_height = 800
-        self.bg_color = (230, 230, 230)
+class Settings:
+    """存储游戏《外星人入侵》中所有设置的类"""
+
+    def __init__(self):
+        """初始化游戏的设置"""
+        # 屏幕设置
+        self.screen_width = 1200
+        self.screen_height = 800
+        self.bg_color = (230, 230, 230)
+        #飞船设置
+        self.ship_speed = 1.5