class Settings():
    def __init__(self):
        """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.ship_speed_factor = 1.5
        self.ship_limit = 3

        # 子弹设置
        self.bullet_speed_factor = 3
        self.bullet_width = 20
        self.bullet_height = 30
        self.bullet_color = 60, 60, 60
        self.bullets_allowed = 3

        self.bossbullet_speed_factor = 5
        self.bossbullet_width = 30
        self.bossbullet_height = 30
        self.bossbullet_color = 0, 255, 0
        self.bossbullets_allowed = 3


        # 外星人设置
        self.alien_speed_factor = 1
        self.fleet_drop_speed = 5
        # fleet_direction为1表示向右移，为-1表示向左移
        self.fleet_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)