 package aerys.minko.render
 {
 	import aerys.minko.ns.minko_render;
-	import aerys.minko.ns.minko_scene;
 	import aerys.minko.render.resource.Context3DResource;
-	import aerys.minko.scene.node.Scene;
-	import aerys.minko.type.Factory;
 	import aerys.minko.type.KeyboardManager;
 	import aerys.minko.type.MouseManager;
 	import aerys.minko.type.Signal;
 	
-	import flash.display.BitmapData;
 	import flash.display.DisplayObject;
 	import flash.display.Graphics;
 	import flash.display.Shape;

	import flash.display.Stage3D;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.display3D.Context3D;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.events.TouchEvent;
	import flash.geom.Point;
	import flash.utils.getTimer;

	/**
	 * The Viewport is the display area where a 3D scene can be rendered.

			
			stage.removeEventListener(Event.ADDED_TO_STAGE, displayObjectAddedToStageHandler);
			stage.removeEventListener(Event.REMOVED_FROM_STAGE, displayObjectRemovedFromStageHandler);
			
			if (_stage3d != null)
				_stage3d.visible = false;
