forked from: forked from: キラキラPixel3D！

お手軽キラキラPixel3D！
キラキラ方法はこちらを使わせてもらいましたー：http://wonderfl.net/code/71344f9a655053d9f793a32c68f00921c67f1977

by vfxtomy 19 Jan 2010

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/**
 * Copyright vfxtomy ( http://wonderfl.net/user/vfxtomy )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/52Ln
 */

// forked from hacker_cigdnqgf's forked from: キラキラPixel3D！
// forked from sake's キラキラPixel3D！
/*
     お手軽キラキラPixel3D！
     キラキラ方法はこちらを使わせてもらいましたー：http://wonderfl.net/code/71344f9a655053d9f793a32c68f00921c67f1977    
*/
package
{
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.BlendMode;
	import flash.display.PixelSnapping;
	import flash.events.Event;
	import flash.geom.Matrix;
	import org.papervision3d.core.effects.utils.BitmapClearMode;
	import org.papervision3d.core.geom.Pixels;
	import org.papervision3d.core.geom.renderables.Pixel3D;
	import org.papervision3d.view.BasicView;
	import org.papervision3d.view.layer.BitmapEffectLayer;

	[SWF(width="465", height="465", backgroundColor="0x000000", frameRate="40")]
	public class Papervision3D_sample95 extends BasicView
	{
		private var pixels:Pixels;
		private var canvas:BitmapData;
		private var mtx:Matrix;

		public function Papervision3D_sample95()
		{
			super(0, 0, true, true);

			var layer:BitmapEffectLayer=new BitmapEffectLayer(viewport, 465, 465, true, 0, BitmapClearMode.CLEAR_PRE, true);
			layer.clearBeforeRender=true;
			viewport.containerSprite.addLayer(layer);

			camera.z=-500;
			pixels=new Pixels(layer);
			scene.addChild(pixels);

			for(var i:int=0; i < 5000; i++)
			{
				var theta1:Number=360 * Math.random() * Math.PI / 180;
				var theta2:Number=(180 * Math.random() - 90) * Math.PI / 180;
				var radius:Number=230;
				var xx:Number=radius * Math.cos(theta2) * Math.sin(theta1);
				var yy:Number=radius * Math.sin(theta2);
				var zz:Number=radius * Math.cos(theta2) * Math.cos(theta1);
				var p:Pixel3D=new Pixel3D((0xff << 24 | 0xff * Math.random() << 16 | 0xff * Math.random() << 8 | 0xff), xx, yy, zz);
				pixels.addPixel3D(p);
			}

			canvas=new BitmapData(465 / 4, 465 / 4, false, 0x000000);
			var bmp:Bitmap=new Bitmap(canvas, PixelSnapping.NEVER, true);
			bmp.scaleX=bmp.scaleY=4;
			bmp.smoothing=true;
			bmp.blendMode=BlendMode.ADD;
			addChild(bmp);
			mtx = new Matrix(0.25, 0, 0, 0.25);
			startRendering();
			addEventListener(Event.ENTER_FRAME, onFrame);
		}

		private function onFrame(e:Event):void
		{
			canvas.fillRect(canvas.rect, 0x000000);
			canvas.draw(viewport, mtx);
			
			pixels.rotationY+=1;
			pixels.rotationX+=1;
		}
	}
}