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settings.py
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class Settings:
"""放置外星人入侵游戏的所有设置的类"""
def __init__(self):
"""初始化游戏的设置"""
#屏幕设置
self.screen_width = 1200
self.screen_height = 800
self.bg_color = (230,230,230)
self.ship_speed = 1.5
#接下来设置子弹
self.bullet_speed = 2.5
self.bullet_width = 3
self.bullet_height = 15
self.bullet_color = (60,60,60)
self.bullet_allowed = 3
#外星人设置
self.alien_speed = 5.0
self.fleet_drop_speed = 10
#fleet_direction 为1表示向右移动 -1表示向左移动
self.fleet_direction = 1
self.ship_limit = 3
#以什么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 = 1.5
self.bullet_speed = 2.5
self.alien_speed = 1.0
#记分设置
self.alien_points = 50
#fleet_direction 为1向右,为-1表示向左
self.fleet_direction = 1
def increase_speed(self):
"""提高速度设置的值"""
self.ship_speed *= self.speedup_scale
self.bullet_speed *= self.speedup_scale
self.alien_speed *= self.speedup_scale