设置

settings.py

@@ -1,17 +1,17 @@
 class Settings():
     def __init__(self):
-        '''初始化游戏的静态设置'''
+        """初始化游戏的静态设置"""
         # 飞船设置
         self.screen_width = 1280
         self.screen_height = 720
-        self.bg_color = (230,230,230,255)
+        self.bg_color = (230, 230, 230, 255)
         self.ship_speed_factor = 1.5
         self.ship_limit = 3
 
         # 子弹设置
         self.bullet_speed_factor = 3
-        self.bullet_width = 30
-        self.bullet_height = 15
+        self.bullet_width = 20
+        self.bullet_height = 30
         self.bullet_color = 60, 60, 60
         self.bullets_allowed = 3
 
@@ -23,8 +23,37 @@ class Settings():
 
         # 外星人设置
         self.alien_speed_factor = 1
-        self.fleet_drop_speed = 10
+        self.fleet_drop_speed = 3
         # fleet_direction为1表示向右移，为-1表示向左移
         self.fleet_direction = 1
 
-        self.bossalien_direction = 1
+        self.bossalien_direction = 1
+
+        # 以什么样的速度加快游戏节奏
+        self.speedup_scale = 1.1
+        # 外星人点数的提高速度
+        self.score_scale = 1.5
+
+        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_factor = 1.5
+        self.bullet_speed_factor = 3
+        self.alien_speed_factor = 1
+
+        # fleet_direction为1表示向右；为-1表示向左
+        self.fleet_direction = 1
+
+        # 记分
+        self.alien_points = 50
+        self.bossalien_points = 5000
+
+    def increase_speed(self):
+        """提高速度设置和外星人点数"""
+        self.ship_speed_factor *= self.speedup_scale
+        self.bullet_speed_factor *= self.speedup_scale
+        self.alien_speed_factor *= self.speedup_scale
+
+        self.alien_points = int(self.alien_points * self.score_scale)
+        print(self.alien_points)