Class: MainMenuScene

Inherits:
Scene
  • Object
show all
Defined in:
lib/scene.rb

Instance Attribute Summary

Attributes inherited from Scene

#window

Instance Method Summary collapse

Methods inherited from Scene

#update

Constructor Details

#initialize(window) ⇒ MainMenuScene

Returns a new instance of MainMenuScene.



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# File 'lib/scene.rb', line 26

def initialize(window)
  super(window)

  @continue = Continue.new(150, 50, window)
  @new_game = NewGame.new(150, 100, window)
  @difficulty = Difficulty.new(150, 150, window)
  @high_score = HighScore.new(150, 200, window)
  @quit = Quit.new(150, 250, window)

  @menu_items = [@new_game,
                 @difficulty,
                 @high_score,
                 @quit]
  @selected_item = 0
  @menu_items[0].select
end

Instance Method Details

#add_continue ⇒ Object 



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# File 'lib/scene.rb', line 47

def add_continue
  if @menu_items.size == 5
    @menu_items[@selected_item].unselect
    @selected_item = 0
  else
    @menu_items[0].unselect
    @menu_items.prepend(@continue)
  end

  @menu_items[0].select
end

#button_down(id) ⇒ Object 



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# File 'lib/scene.rb', line 66

def button_down(id)
  case id
  when Gosu::KB_DOWN
    down
  when Gosu::KB_UP
    up
  else
    @menu_items[@selected_item].button_down(id)
  end
end

#difficulty ⇒ Object 



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# File 'lib/scene.rb', line 43

def difficulty
  @difficulty.difficulty
end

#down ⇒ Object 



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# File 'lib/scene.rb', line 81

def down
  @menu_items[@selected_item].unselect

  @selected_item = if @selected_item == @menu_items.size - 1
                     0
                   else
                     @selected_item + 1
                   end

  @menu_items[@selected_item].select
end

#draw ⇒ Object 



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# File 'lib/scene.rb', line 77

def draw
  @menu_items.each(&:draw)
end

#remove_continue ⇒ Object 



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# File 'lib/scene.rb', line 59

def remove_continue
  @menu_items[0].unselect
  @menu_items.drop(1)
  @menu_items[0].select
  @selected_item = 0
end

#up ⇒ Object 



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# File 'lib/scene.rb', line 93

def up
  @menu_items[@selected_item].unselect

  @selected_item = if @selected_item.zero?
                     @menu_items.size - 1
                   else
                     @selected_item - 1
                   end

  @menu_items[@selected_item].select
end