# --coding:utf-8 --
class Settings():
	
	#存储外星人入侵的所有设置的类
	
	def __init__(self):
		
		self.screen_width = 1200
		self.screen_height = 800
		self.bgcolor = (230,230,230)
		
		self.ship_speed_factor = 1.5
		self.ship_limit = 3
		
		#子弹设置
		
		self.bullet_speed_factor = 3
		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_factor = 1
		self.fleet_drop_speed = 10
		# fleet_direction 为1时表示向右移动 为-1时 表示向左移动
		self.fleet_direction = 1
		
		# 以什么样的速度加快游戏节奏
		
		self.speedup_scale = 1.1
		# 外星人电数的提高点数
		self.score_scale = 1.5
		
		
		self.initialize_dynamic_settings()
	
	def initialize_dynamic_settings(self):
		
		#初始化随着游戏的进行而改变的设置
		
		self.ship_speed_factor = 1.5
		self.bullet_speed_factor = 3
		self.alien_speed_factor = 1
		self.alien_speed_factor = 1
		
		# 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
		
		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)
		
		
		
		
		
		
		
		
		
		
		
		
