text: """A class that handles all of the settings for Alien Invasion."""
  
  
  class Settings():
  
      """Initialize game settings."""
      def __init__(self):
          #  Screen settings:
          self.screen_width = 1200
          self.screen_height = 800
          self.bg_color = (115, 196, 252)
  
          #  Ship settings:
          self.plane_limit = 3
  
          #  Bullet settings:
          self.bullet_width = 6
          self.bullet_height = 20
          self.bullet_color = 60, 60, 60
          self.bullets_allowed = 5
  
          #  Alien settings
          self.fleet_drop_speed = 10
  
          #  How much game scaling
          self.speedup_scale = 1.1
          #  How quickly the points scale
          self.score_scale = 1.5
  
          self.initialize_dynamic_settings()
  
      def initialize_dynamic_settings(self):
          self.plane_speed_factor = 3
          self.bullet_speed_factor = 3
          self.alien_speed_factor = 3
  
          #  1 is right, -1 is left
          self.fleet_direction = 1
  
          #  Scoring
          self.alien_points = 50
  
      def increase_speed(self):
          self.plane_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)