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Dead Code Preservation :: Archived AS3 works from wonderfl.net

forked from: 宇宙 ParticlesSphere

@author zawa
/**
 * Copyright ayumegu0615 ( http://wonderfl.net/user/ayumegu0615 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/xJoK
 */

// forked from dubfrog's 宇宙 ParticlesSphere
package {
	import flash.display.*;
	import flash.events.*;
	import flash.filters.BlurFilter;
	import flash.geom.ColorTransform;
	import caurina.transitions.*;
	import caurina.transitions.properties.*;
	import org.papervision3d.cameras.Camera3D;
	import org.papervision3d.core.effects.BitmapLayerEffect;
	import org.papervision3d.core.geom.Pixels;
	import org.papervision3d.materials.special.ParticleMaterial;
	import org.papervision3d.materials.WireframeMaterial;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.objects.primitives.Sphere;
	import org.papervision3d.objects.special.ParticleField;
	import org.papervision3d.render.BasicRenderEngine;
	import org.papervision3d.scenes.Scene3D;
	import org.papervision3d.view.layer.BitmapEffectLayer;
	import org.papervision3d.view.Viewport3D;
	
	/* @author zawa */
	
	[SWF(width = "465", height = "465", backgroundColor = "0", fps = "30")] 
	
	public class Main extends Sprite {
		
		private var scene:Scene3D;
		private var camera:Camera3D;
		private var viewport:Viewport3D;
		private var render:BasicRenderEngine;
		private var rootNode:DisplayObject3D;
		private var bfm:BitmapEffectLayer;
		private var coltrans:ColorTransform;
		private var cameraBool:Boolean;
		private var cametaPos:Object;
		private var angle:Number;
		
		public function Main():void {
			createWorld();
			stage.addEventListener(MouseEvent.CLICK, changeView)
		}
		private function createWorld():void {
			scene = new Scene3D();
			viewport = new Viewport3D(0, 0, true, false);
			addChild(viewport);
			rootNode = new DisplayObject3D();
			scene.addChild(rootNode);
			camera = new Camera3D();
			camera.z = -camera.focus * camera.zoom;
			render = new BasicRenderEngine();
			
			var sphere:Sphere = new Sphere(new WireframeMaterial(0xFFFFFF, 100, 1), 100, 36, 24);
			var vmax:Number = sphere.geometry.vertices.length - 1;
			var mat:ParticleMaterial =  new ParticleMaterial(0xFFFFFF, 10, 1);
			var particles:ParticleField = new ParticleField(mat, vmax*2, 3, 2000, 2000, 2000);
			
			bfm = new BitmapEffectLayer(viewport, stage.stageWidth, stage.stageHeight, true, 0, "clear_pre",false,false );
			bfm.addEffect(new BitmapLayerEffect(new BlurFilter(10, 10, 3), false));
			bfm.drawCommand.blendMode = BlendMode.ADD
			viewport.containerSprite.addLayer(bfm);
			bfm.addDisplayObject3D(particles);
			
			coltrans = new ColorTransform(0,0,0,1,0,0,0,0);
			rootNode.addChild(particles)
			
			for (var i:Number = 0; i <= vmax; i++) {
				var gx:Number = sphere.geometry.vertices[i].x;
				var gy:Number = sphere.geometry.vertices[i].y;
				var gz:Number = sphere.geometry.vertices[i].z;
				Tweener.addTween(particles.geometry.vertices[i], { x:gx, y:gy, z:gz, delay:i*.1,time:5, transition:"easeInOutExpo" } );
			}
			
			angle = 0;
			cameraBool = true;
			cametaPos = { b: -camera.focus * camera.zoom, f:-camera.focus * camera.zoom + 150 };
			
			startRendering();
		}
		private function startRendering():void {
			addEventListener(Event.ENTER_FRAME, update);
		}
		//Rendering...
		private function update(e:Event):void{
			render.renderScene(scene, camera, viewport);
			rootNode.rotationY+=.5;
			rootNode.rotationX+=.3;
			rootNode.rotationZ+=.1;
			angle+=.01;
			var sin:Number = Math.sin(angle)
			var cos:Number = Math.cos(angle)
			if (sin < .1) sin = Math.abs(sin)+.1;
			if (cos < .1) cos = Math.abs(cos)+.1;
			
			coltrans.redMultiplier = sin/4;
			coltrans.greenMultiplier = cos/2;
			coltrans.blueMultiplier = sin;
			
			bfm.drawCommand.colorTransform = coltrans;
		}
		//MouseEvent...
		private function changeView(e:MouseEvent) :void {
			Tweener.removeTweens(camera);
			if (cameraBool) {
				cameraBool = false;
				Tweener.addTween(camera, { z:cametaPos.f, time:10, transition:"easeInOutQuard" } );
			}else {
				cameraBool = true;
				Tweener.addTween(camera, { z:cametaPos.b, time:10, transition:"easeInOutQuard" } );
			}
		}
	}
}