class Settings: # 所有设置的类
# 屏幕设置
    def __init__(self):
        self.screen_width = 1280
        self.screen_height = 960
        self.bg_color = (233, 233, 233)
# 飞船设置
        self.ship_speed = 1.5
        self.ship_limit = 3
# 子弹设置
        self.bullet_speed = 1.5
        self.bullet_width = 3
        self.bullet_height = 15
        self.bullet_color = (60, 60, 60)
        self.bullets_allowed = 3
# 外星人设置
        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
# 加快游戏节奏的速度
        self.speedup_scale = 1.1
# 外星人分数的提高速度
        self.score_scale = 1.5
        self.initialize_dynamic_settings()

# """初始化随游戏进行而变化的设置"""
def initialize_dynamic_settings(self):
        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
#计分
        self.alien_points = 50
def increase_speed(self):
# """提高速度设置和外星人分数"""
        self.ship_speed *= self.speedup_scale
        self.bullet_speed *= self.speedup_scale
        self.alien_speed *= self.speedup_scale

        self.alien_points = int(self.alien_points * self.score_scale)
        print(self.alien_points)