更新 'settings.py'

settings.py

@@ -19,4 +19,23 @@ class Settings:
         self.alien_speed = 1.0
         self.fleet_drop_speed = 10
         # fleet_direction为1表示向右移，为-1表示向左移
-        self.fleet_direction = 1
+        self.fleet_direction = 1
+        #加快游戏节奏的速度
+        self.speedup_scale = 1.1
+        
+        self.initialize_dynamic_settings()
+
+    def initialize_dynamic_settings(self):
+        """初始化随游戏进行而变化的设置"""
+        self.ship_speed = 1.5
+        self.bullet_speed = 3.0
+        self.alien_speed = 1.0
+
+        # fleet_direction为1表示向右，为-1表示向左
+        self.fleet_direction = 1
+
+    def increase_speed(self):
+        """提高速度设置"""
+        self.ship_speed *= self.speedup_scale
+        self.bullet_speed *= self.speedup_scale
+        self.alien_speed *= self.speedup_scale