package {
	import de.polygonal.ds.Array2;
	import de.polygonal.ds.Iterator;
 
	import flash.display.DisplayObject;
	import flash.display.Shape;
 
	import gs.TweenMax;
 
	import org.papervision3d.events.InteractiveScene3DEvent;
	import org.papervision3d.materials.MovieMaterial;
	import org.papervision3d.objects.primitives.Plane;
	import org.papervision3d.view.BasicView;
 
	[SWF(width="900", height="480", backgroundColor="#ffffff", frameRate="60")]
	public class Grid extends BasicView
	{
		private static const GRID_COLS:int = 9;
		private static const GRID_X_SPACING:Number = 200;
		private static const CENTER_X_OFFSET:Number = GRID_COLS  * GRID_X_SPACING / 2 - GRID_X_SPACING / 2;
 
		private static const GRID_ROWS:int = 4;
		private static const GRID_Y_SPACING:Number = 200;
		private static const CENTER_Y_OFFSET:Number = GRID_ROWS * GRID_Y_SPACING / 2 - GRID_Y_SPACING / 2;
 
		private var grid:Array2 = new Array2(GRID_ROWS, GRID_COLS);
 
		private var selectedPlane:Plane;
 
		public function Grid()
		{
			viewport.interactive = true;
			createGrid();
			startRendering();
		}
 
		private function createGrid():void
		{
			for(var i:int = 0; i < GRID_COLS; i++)
			{
				for(var j:int = 0; j < GRID_ROWS; j++)
				{
					var randomColor:Number = Math.random() * 0xffffff;
					var shape:Shape = new Shape();
					with(shape)
					{
						graphics.beginFill(randomColor);
						graphics.drawRect(0, 0, 50, 50);
						graphics.endFill();
					}
					var material:MovieMaterial = new MovieMaterial(shape);
					//animated needs to be true to tween the color
					material.animated = true;
					material.doubleSided = true;
					material.interactive = true;
 
					var plane:Plane = new Plane(material, 100, 100);
					plane.name = "plane_" + i + "_" +j;
					plane.x = i * GRID_X_SPACING - CENTER_X_OFFSET;
					plane.y = j * GRID_Y_SPACING - CENTER_Y_OFFSET;
 
					plane.addEventListener(InteractiveScene3DEvent.OBJECT_CLICK, plane_objectClickHandler);
 
					//push planes references into our collection
					grid.set(j, i, plane); 
 
					scene.addChild(plane);
				}
			}
		}
 
		private function plane_objectClickHandler(event:InteractiveScene3DEvent):void
		{
			var clickedPlane:Plane = Plane(event.target);
			if(selectedPlane != clickedPlane)
			{
				if(selectedPlane) TweenMax.to(selectedPlane, 1, {scale:1, rotationY:0});
				selectedPlane = Plane(event.target);
 
				TweenMax.to(selectedPlane, 1, {scale:2, rotationY:180});
 
				var randomColor:Number = Math.random() * 0xffffff;
 
				//loop through our grid using the iterator of Array2
				var itr:Iterator = grid.getIterator();
				itr.start();
				while(itr.hasNext())
				{
					if(itr.data != null) 
					{
						var plane:Plane = Plane(itr.data);
						//We don't tween the color of the selectedPlane
						if(plane != selectedPlane)
						{
							//tint the color of the movie asset in the material
							var movieClip:DisplayObject = MovieMaterial(plane.material).movie;
							TweenMax.to(movieClip, 1, {tint:randomColor});
						}
					}
					itr.next();
				}	
			}
		}
	}
}