lib/metro/scene.rb
def transition_to(scene_or_scene_name,options = {})
      new_scene = Scenes.generate(scene_or_scene_name,options)
      _prepare_transition(new_scene)
      window.scene = new_scene
    end
def transition_to(scene_or_scene_name,options = {})
      new_scene = Scenes.generate(scene_or_scene_name,options)
      _prepare_transition(new_scene)
      window.scene = new_scene
    end
`transition_to` performs the work of transitioning this scene
 to another scene.

 @param [String,Symbol,Object] scene_or_scene_name the name of the Scene which can
   be either the class or a string/symbol representation of the shortened scene name.
   This could also be an instance of scene.