package {
 
	import flash.events.Event;
 
	import org.papervision3d.core.geom.Pixels;
	import org.papervision3d.core.geom.renderables.Pixel3D;
	import org.papervision3d.core.geom.renderables.Vertex3D;
	import org.papervision3d.materials.ColorMaterial;
	import org.papervision3d.objects.primitives.Sphere;
	import org.papervision3d.view.BasicView;
	import org.papervision3d.view.layer.BitmapEffectLayer;
 
	[SWF(width="640", height="480", backgroundColor="#000000", frameRate="60")]
	public class PixelField extends BasicView
	{
		private const NUM_PIXELS:int = 200;
		private var pixels:Pixels;
		public function PixelField()
		{
			camera.y = 100;
 
			//you need a bitmapEffectLayer for the pixels
			var bitmapEffectLayer:BitmapEffectLayer = new BitmapEffectLayer(viewport);
			//this allows for the neat overdraw cylinder effect
			//bitmapEffectLayer.clearBeforeRender = true;
			pixels = new Pixels(bitmapEffectLayer);
 
			var sphere:Sphere = new Sphere(new ColorMaterial(0xffffff, 0), 500);
			scene.addChild(sphere);
			singleRender();
 
			for each(var vertex3D:Vertex3D in sphere.geometry.vertices)
			{
				for(var i:int = 0; i < NUM_PIXELS; i++)
				{
					//move the x, y, z out to the vertex3D
					//in proportion to the # of pixels
					var randX:Number = vertex3D.x *(i / NUM_PIXELS);
					var randY:Number = vertex3D.y *(i / NUM_PIXELS);
					var randZ:Number = vertex3D.z *(i / NUM_PIXELS);
 
					//Notice the color is an ARGB value, so 8 f's instead of 6
					//meaning the first FF = alpha, then red, green, blue
					var randColor:Number = Math.random() * 0xffffffff;
					var pixel:Pixel3D = new Pixel3D(randColor, randX, randY, randZ);
 
					pixels.addPixel3D(pixel);
				}
 
 
			}
			//remember to add the bitmapEffectLayer to the viewport
			viewport.containerSprite.addLayer(bitmapEffectLayer);
			scene.addChild(pixels);
 
			addEventListener(Event.ENTER_FRAME, renderAndRotateHandler);
		}
 
		private function renderAndRotateHandler(event:Event):void
		{
			pixels.yaw(1);
			singleRender();
		}
	}
}