ADD file via upload

settings.py

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+
+class Settings():
+    """用于存储外来入侵的所有设置的类"""
+
+    def __init__(self):
+        """初始化游戏的静态设置"""
+        # 窗口设置
+        self.screen_width = 1200
+        self.screen_height = 800
+        self.bg_color = (230, 230, 230)
+
+
+        # 人的绘制
+        self.man_limit = 3
+            
+        # 子弹的设置
+        self.bullet_width = 3
+        self.bullet_height = 15
+        self.bullet_color = 60, 60, 60
+        self.bullets_allowed = 4
+        
+        # 靶子的设置
+        self.fleet_drop_speed = 11
+            
+        #游戏加速的速度
+        self.speedup_scale = 1.5
+        # 外来点值增加的速度
+        self.score_scale = 1.5
+    
+        self.initialize_dynamic_settings()
+
+    def initialize_dynamic_settings(self):
+        """初始化在整个游戏中更改的设置"""
+        self.man_speed_factor = 1.5
+        self.bullet_speed_factor = 3
+        self.bazi_speed_factor = 1
+        
+        # 得分
+        self.bazi_points = 50
+    
+        # 方向（fleet_direction）  1表示右，-1表示左
+        self.fleet_direction = 1
+        
+    def increase_speed(self):
+        """增加速度设置和外来点值"""
+        self.man_speed_factor *= self.speedup_scale
+        self.bullet_speed_factor *= self.speedup_scale
+        self.bazi_speed_factor *= self.speedup_scale
+        
+        self.bazi_points = int(self.bazi_points * self.score_scale)