Class: SpriteKit::SceneManager

Inherits:
Object
  • Object
show all
Defined in:
mygame/lib/sprite_kit/scene_manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scenes:, current_scene:) ⇒ SceneManager

Returns a new instance of SceneManager.



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# File 'mygame/lib/sprite_kit/scene_manager.rb', line 7

def initialize(scenes:, current_scene:)
  @scenes = scenes
  @next_scene = nil
  @current_scene = current_scene
  @ticking_scene = @scenes[@current_scene].new(self)
end

Instance Attribute Details

#current_scene ⇒ Object (readonly)

Returns the value of attribute current_scene.



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# File 'mygame/lib/sprite_kit/scene_manager.rb', line 4

def current_scene
  @current_scene
end

#next_scene=(value) ⇒ Object (writeonly)

Sets the attribute next_scene

Parameters:

  • value —

    the value to set the attribute next_scene to.



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# File 'mygame/lib/sprite_kit/scene_manager.rb', line 3

def next_scene=(value)
  @next_scene = value
end

#scenes ⇒ Object

Returns the value of attribute scenes.



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# File 'mygame/lib/sprite_kit/scene_manager.rb', line 5

def scenes
  @scenes
end

#ticking_scene ⇒ Object (readonly)

Returns the value of attribute ticking_scene.



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# File 'mygame/lib/sprite_kit/scene_manager.rb', line 4

def ticking_scene
  @ticking_scene
end

Instance Method Details

#tick(args) ⇒ Object 



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# File 'mygame/lib/sprite_kit/scene_manager.rb', line 14

def tick(args)
  scene_before_tick = @current_scene
  @ticking_scene.tick(args)

  if scene_before_tick != @current_scene
    raise "Scene was changed incorrectly. Set @next_scene or scene.next_scene to change scenes."
  end

  if @next_scene && @next_scene != @current_scene
    @current_scene = @next_scene
    @ticking_scene = @scenes[@next_scene].new(self)
    @next_scene = nil
  end
end