forked from: forked from: forked from: 3D tag cloud

by pakyao 24 Feb 2010

• Forked from CarlitosWay's forked from: forked from: 3D tag cloud
• Diff: 165
• Related works: 24

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/**
 * Copyright pakyao ( http://wonderfl.net/user/pakyao )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/w3tX
 */

// forked from CarlitosWay's forked from: forked from: 3D tag cloud
// forked from soulside's forked from: 3D tag cloud
// forked from esabear's 3D tag cloud
package {
	import flash.display.Sprite;
	import flash.display.BitmapData;
	import flash.events.Event;
	import flash.text.TextField;
	import flash.filters.GlowFilter;
	import flash.filters.BlurFilter;
	import flash.filters.BitmapFilterQuality;
	import org.papervision3d.materials.special.BitmapParticleMaterial;
	import org.papervision3d.core.geom.Particles;
	import org.papervision3d.core.geom.renderables.Particle;
	import org.papervision3d.events.InteractiveScene3DEvent;

	import org.papervision3d.scenes.Scene3D;  
	import org.papervision3d.view.Viewport3D;  
	import org.papervision3d.cameras.Camera3D;
	import org.papervision3d.objects.DisplayObject3D;  
	import org.papervision3d.render.BasicRenderEngine;	

	public class FlashTest extends Sprite {
		private var scale:Number = 5;
		private var radius:Number = 350;
		private var smoothing:Boolean = true;
		private var minAlpha:Number = 0.3;
		private var glow:GlowFilter;
		private var tags:Array;
		private var tag_num:uint;
		private var tagArray:Array;
		private var view:Viewport3D;
		private var scene:Scene3D;
		private var camera:Camera3D;
		private var renderer:BasicRenderEngine; 
		private var tagContainer:DisplayObject3D;

		public function FlashTest() {
			// write as3 code here..
			init ();
		}

		private function init ():void {
			glow = new GlowFilter (0x003366, 1, 8, 8, 2, BitmapFilterQuality.LOW, true, false);
			tags = ["Abogados","Ingenieros","Empresas A1","Pymes","Seg. Hombres/Mujeres","Jvn.19-30 anos","Hoteles","Paginas amarillas","Ejecutivos","Gerentes","NSE A1/A/B","universitarios", "Mineras", "Textiles", "Agricultura", "Institutos", "Marketing","Finanzas","Producciones","Administraci♀on","Telecomunicaciones","Discotecas","Club Regatas","Country Club","Ejc.gobierno","Provincias","Distritos","Escuelas","Top 10 000","Comercio"];
			tag_num = tags.length;
			tagArray = [];
			tagContainer = new DisplayObject3D ();
			tagContainer.x = -radius * 0.25;
			tagContainer.y =  radius * 0.25;

			view = new Viewport3D(0,0,true,true);
			scene = new Scene3D();
			camera = new Camera3D();
			camera.z = -2 * radius;
			camera.zoom = 20;
			renderer = new BasicRenderEngine();

			this.addChild (view);
			scene.addChild (camera);
			scene.addChild(tagContainer);

			buildTags ();

			addEventListener (Event.ENTER_FRAME, enterFrameHandler);
		}

		private function buildTags ():void {
			var i:uint;
			for (i = 0; i < tag_num; i++) {
			// 2D
			var txt:TextField = new TextField ();
			txt.text = tags[i];
			txt.filters = [new BlurFilter(1.1, 1.1)];
			var txtW:Number = txt.textWidth + 4;
			var txtH:Number = txt.textHeight + 4;
			var bitmap:BitmapData = new BitmapData (txtW, txtH, true, 0x01FFFFFF);
			bitmap.draw (txt);

			var phi:Number = Math.acos((2 * (i + 1) - 1) / tag_num - 1);
			var theta:Number = Math.sqrt(tag_num * Math.PI) * phi;

			// 3D
			var material:BitmapParticleMaterial = new BitmapParticleMaterial (bitmap);
			material.interactive = true;
			material.smooth = smoothing;

			var tag:Particle = new Particle (material, scale, 0, 0, 0);
			var tagHolder:Particles = new Particles ();
 			tagHolder.addParticle (tag);
			tagHolder.x = radius * Math.cos (theta) * Math.sin (phi);
			tagHolder.y = radius * Math.sin (theta) * Math.sin (phi);
 			tagHolder.z = radius * Math.cos (phi);
 			tagHolder.useOwnContainer = true;
			tagHolder.autoCalcScreenCoords = true;
 			tagHolder.addEventListener (InteractiveScene3DEvent.OBJECT_OVER, objectOverHandler);
			tagHolder.addEventListener (InteractiveScene3DEvent.OBJECT_OUT, objectOutHandler);
			//tagHolder.addEventListener (InteractiveScene3DEvent.OBJECT_PRESS, objectPressHandler);

			tagContainer.addChild (tagHolder);
			tagArray.push (tagHolder);
			}
		}

		private function objectOverHandler (e:InteractiveScene3DEvent):void {
			view.buttonMode = true;
			e.target.filters = [glow];
		}

		private function objectOutHandler (e:InteractiveScene3DEvent):void {
			view.buttonMode = false;

			for (var j:uint = 0; j < tag_num; j++) {
				tagArray [j].filters = [];
			}
		}

		private function enterFrameHandler (e:Event):void {
			tagContainer.rotationX += (mouseY - stage.stageHeight * 0.5) * 0.01;
			tagContainer.rotationY += (mouseX - stage.stageWidth * 0.5) * 0.01;
			renderer.renderScene (scene,camera,view);
			for (var j:uint = 0; j < tag_num; j++) {
				tagArray[j].alpha = minAlpha + (1 - minAlpha) * (1 - (tagArray[j].screen.z - radius) / (2 * radius));
			}
		}
	}
}