粒子矩形

三维粒子 everyinch 3399℃ 0评论
package{
	import flash.events.Event;
	import flash.filters.BlurFilter;

	import org.papervision3d.core.effects.BitmapLayerEffect;
	import org.papervision3d.core.effects.utils.BitmapClearMode;
	import org.papervision3d.core.effects.utils.BitmapDrawCommand;
	import org.papervision3d.core.geom.Pixels;
	import org.papervision3d.core.geom.renderables.Pixel3D;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.view.BasicView;
	import org.papervision3d.view.layer.BitmapEffectLayer;
	import org.papervision3d.view.layer.util.ViewportLayerSortMode;

	[SWF(width="800", height="600", frameRate="60",backgroundColor="0x000000")]
	public class Pixel3DTest2 extends BasicView{
		private var pixels:Pixels;

		public function Pixel3DTest2(){
			super(800, 600, true, true);
			init3D();
			startRendering();
		}

		private function init3D():void{
			var bfx:BitmapEffectLayer=new BitmapEffectLayer(viewport, 800, 600, true, 0, BitmapClearMode.CLEAR_POST, true, true);
			viewport.containerSprite.addLayer(bfx);
			//bfx.addEffect(new BitmapLayerEffect(new BlurFilter(8, 8, 4), false));
			var drawCommand:BitmapDrawCommand=new BitmapDrawCommand();
			drawCommand.drawContainer=true;
			bfx.drawCommand=drawCommand;
			bfx.sortMode=ViewportLayerSortMode.Z_SORT;
			pixels=new Pixels(bfx);
			createPixels();
		}

		private function createPixels():void{
			var count:int=0;
			while (count < 12000){
				var pixel:Pixel3D=new Pixel3D(0xFFFFFFFF, Math.random() * 400 - 200, Math.random() * 400 - 200, Math.random() * 400 - 200);
				var xpos:Number=pixel.x;
				var ypos:Number=pixel.y;
				var zpos:Number=pixel.z;
				var distance:Number=Math.sqrt(xpos * xpos + ypos * ypos + zpos * zpos);
				var alpha:Number=(1 - distance / 200) * 255;
				var red:Number=(1 - distance / 250) * 255;
				var green:Number=Math.abs(xpos) / distance * 255;
				var blue:Number=Math.abs(ypos) / distance * 255;

				pixel.color=alpha << 24 | red << 16 | green << 8 | blue;
				pixels.addPixel3D(pixel);
				count++;
			}
			scene.addChild(pixels);
		}

		protected override function onRenderTick(event:Event=null):void{
			var fac:int=5;
			camera.x-=(camera.x - Math.sin((stage.mouseX - (stage.stageWidth / 2)) * 0.0002) * 8000) / fac;
			camera.z-=(camera.z - Math.cos((stage.mouseX - (stage.stageWidth / 2)) * 0.0005) * -500) / fac;
			camera.y-=(camera.y - Math.sin((stage.mouseY - (stage.stageHeight / 2)) * 0.0002) * -8000) / fac;
			super.onRenderTick(event);
		}
	}
}



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