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)