settings.py

# -*- coding: gb2312 -*-
class Settings_1():
    #存储外星人游戏的所有设置的类    
    def __init__(self):
        """初始化游戏的静态设置"""
        self.screen_width = 1800
        self.screen_height = 1000
        self.bg_color = (255,255,255)
        #飞船的位置
        self.ship_limit = 3
        #子弹设置   
        self.bullet_width = 5
        self.bullet_height = 15
        self.bullet_color = 60,60,60
        self.bullet_allow = 30
        #外星人设置
        self.fleet_drop_speed = 10
        #外星人点数的提高速度
        self.score_scale = 1.5
        
        #以什么样的速度加快游戏的节奏
        self.speedup_scale = 1.1
        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表示向右移动，为-1表示向左移动
        self.fleet_direction = 1
        #计分
        self.alien_points = 50
    def increase_speed(self):
        """提高速度设置"""
        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)