package  {
	import flash.display.Sprite;
	import flash.display.LineScaleMode;
	import flash.events.MouseEvent;
	import flash.geom.PerspectiveProjection;
	import flash.geom.Utils3D;
	import flash.geom.Vector3D;
	import flash.geom.Matrix3D;
	import flash.geom.*;
	import flash.events.Event;
	import flash.utils.Dictionary;
	[SWF(backgroundColor="0x000000", width="800", height="600", frameRate="30")]

	public class Dandelion2 extends Sprite {

		var vertices:Vector.<Number> = new Vector.<Number>();
		var pvts:Vector.<Number> = new Vector.<Number>();
		var spores:Vector.<Sprite> = new Vector.<Sprite>();
		var sporesDct:Dictionary = new Dictionary(true);

		public function Dandelion2(){	

			for(var lat:Number= 0, long:Number= 0; lat < Math.PI; lat+=0.01,long+=0.5){
				vertices.push( 10*Math.cos(long)*Math.sin(lat), 10*Math.cos(lat), 10*Math.sin(long)*Math.sin(lat), 70*Math.cos(long)*Math.sin(lat), 70*Math.cos(lat), 70*Math.sin(long)*Math.sin(lat), (70 + 10)*Math.cos(long-Math.random()*0.1)*Math.sin(lat-Math.random()*0.05), (70 + 10)*Math.cos(lat-Math.random()*0.05), (70 + 10)*Math.sin(long-Math.random()*0.1)*Math.sin(lat-Math.random()*0.05), (70 + 10)*Math.cos(long+Math.random()*0.1)*Math.sin(lat-Math.random()*0.05), (70 + 10)*Math.cos(lat-Math.random()*0.05), (70 + 10)*Math.sin(long+Math.random()*0.1)*Math.sin(lat-Math.random()*0.05), (70 + 10)*Math.cos(long+Math.random()*0.1)*Math.sin(lat+Math.random()*0.05), (70 + 10)*Math.cos(lat+Math.random()*0.05), (70 + 10)*Math.sin(long+Math.random()*0.1)*Math.sin(lat+Math.random()*0.05), (70 + 10)*Math.cos(long-Math.random()*0.1)*Math.sin(lat+Math.random()*0.05), (70 + 10)*Math.cos(lat+Math.random()*0.05), (70 + 10)*Math.sin(long-Math.random()*0.1)*Math.sin(lat+Math.random()*0.05));
				var spore:Sprite = new Sprite();
				spore.transform.matrix = new Matrix(1,0,0,1,stage.stageWidth/2,stage.stageHeight/2);
				spores.push(spore);
				addChild(spore);
				sporesDct[spore] = {
					zp:70*Math.sin(long)*Math.sin(lat), firstVertex: vertices.length-18, lastVertex: vertices.length-1, blown: false, xv:Math.random()*2 - 1, yv:Math.random()*2 - 1, zv:Math.random()*2 - 1, xr:Math.random()*2 - 1, yr:Math.random()*2 - 1, zr:Math.random()*2 - 1 };
				 spore.addEventListener(MouseEvent.MOUSE_OVER, function(event:MouseEvent):void {
						sporesDct[event.target]["blown"]=true;
					 });
			}
			addEventListener(Event.ENTER_FRAME, function(event:Event):void {
				var m:Matrix3D = new PerspectiveProjection().toMatrix3D();
				m.prependTranslation(0,0,10);
				//move spores
				spores.forEach(function(spore:Sprite, ind:int, a:Vector.<Sprite>):void {
						var verts:Vector.<Number> = vertices.slice(sporesDct[spore].firstVertex,sporesDct[spore].lastVertex+1);
						var spv:Vector.<Number> = new Vector.<Number>();
						var m2:Matrix3D = new Matrix3D();
						if(sporesDct[spore].blown){
								m2.appendTranslation(sporesDct[spore].xv,sporesDct[spore].yv,sporesDct[spore].zv);
								m2.appendRotation(sporesDct[spore].xr,Vector3D.X_AXIS);
								m2.appendRotation(sporesDct[spore].yr,Vector3D.Y_AXIS);
								m2.appendRotation(sporesDct[spore].zr,Vector3D.Z_AXIS);
							}else{
								m2.appendRotation(1, Vector3D.Y_AXIS);
							}
						m2.transformVectors(verts,spv);
						vertices.splice(sporesDct[spore].firstVertex,18,spv[0],spv[1],spv[2],spv[3],spv[4],spv[5],spv[6],spv[7],spv[8],spv[9],spv[10],spv[11],spv[12],spv[13],spv[14],spv[15],spv[16],spv[17]);
				});
				Utils3D.projectVectors(m, vertices, pvts, Vector.<Number>([]));
				for(var i:int = 0; i < pvts.length; i+=12){
					//var spore:Sprite = spores[i/12];
					spores[i/12].graphics.clear();
					spores[i/12].graphics.lineStyle((100 - 2*sporesDct[spores[i/12]].zp)/100,0xFFFFFF);
					spores[i/12].graphics.drawPath(Vector.<int>([1,2,2,1,2,1,2,1,2]),Vector.<Number>([ pvts[i],pvts[i+1], pvts[i+2],pvts[i+3], pvts[i+4],pvts[i+5], pvts[i+2],pvts[i+3], pvts[i+6],pvts[i+7], pvts[i+2],pvts[i+3], pvts[i+8],pvts[i+9], pvts[i+2],pvts[i+3], pvts[i+10],pvts[i+11]]));
				}
			});
		}
	}
}
// Copyright (c) 2008 David Wilhelm
// MIT license: http://www.opensource.org/licenses/mit-license.php