Class: SpaceInvaders::WelcomeScreen

Inherits:
Base
  • Object
show all
Includes:
Centerable
Defined in:
lib/space_invaders/screens/welcome_screen.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#app

Instance Method Summary collapse

Methods included from Centerable

#horizontal_center_draw, #vertical_center_draw

Methods inherited from Base

#game_status

Constructor Details

#initialize(app) ⇒ WelcomeScreen

Returns a new instance of WelcomeScreen.



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# File 'lib/space_invaders/screens/welcome_screen.rb', line 10

def initialize app
  super
  @welcome_message = Gosu::Image.from_text app, "SpaceInvaders.rb", App::DEFAULT_FONT, 50
  @control_index = Gosu::Image.from_text app, control_index_string, App::DEFAULT_FONT, 20
  @press_play = Gosu::Image.from_text app, "PRESS SPACE TO PLAY", App::DEFAULT_FONT, 30
  @press_play_counter = 0
end

Instance Attribute Details

#control_index ⇒ Object (readonly)

Returns the value of attribute control_index.



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# File 'lib/space_invaders/screens/welcome_screen.rb', line 8

def control_index
  @control_index
end

#press_play ⇒ Object (readonly)

Returns the value of attribute press_play.



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# File 'lib/space_invaders/screens/welcome_screen.rb', line 8

def press_play
  @press_play
end

#welcome_message ⇒ Object (readonly)

Returns the value of attribute welcome_message.



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# File 'lib/space_invaders/screens/welcome_screen.rb', line 8

def welcome_message
  @welcome_message
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/space_invaders/screens/welcome_screen.rb', line 18

def draw
  horizontal_center_draw welcome_message, 100
  horizontal_center_draw control_index, 200


  horizontal_center_draw press_play, 350 if press_play_counter.between?(30,60)
  update_press_play_counter
end