Forked from:: checkmate's adobe challenge 1

forked from: adobe challenge 1

"Use Flash Player 10 drawing API,
* specifically drawTriangles.
* My favorite part of the new capabilities
* is the ability to specify
* UVT texture mapping data."
* by Justin Everett-Church
*
* This code is a example of drawTriangle.

mtok

forked:4
favorite:35
lines:175
license : MIT License
modified : 2009-08-24 04:22:03

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// forked from checkmate's adobe challenge 1
/**
 * 
 * "Use Flash Player 10 drawing API,
 *  specifically drawTriangles.
 *  My favorite part of the new capabilities
 *  is the ability to specify
 *  UVT texture mapping data."
 *                     by Justin Everett-Church
 *  
 * This code is a example of drawTriangle.
 */
package {
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.Graphics;
	import flash.display.Loader;
	import flash.display.LoaderInfo;
    import flash.display.Sprite;
    import flash.events.Event;
	import flash.geom.Point;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	import flash.system.LoaderContext;
	import flash.system.Security;
	import fl.motion.easing.*;
	import flash.utils.setInterval;
	import flash.utils.clearInterval;
    
	import com.flashdynamix.motion.Tweensy;
	import com.flashdynamix.motion.TweensyTimeline;
	
    [SWF(width="465", height="465", backgroundColor="0x000000", frameRate="24")]

public class DrawTriangleTest extends Sprite{
    
		private var bushUrl:String = "http://www.matzmtok.com/wonderfl/checkmate/bush.xml";
		private var obamaUrl:String = "http://www.matzmtok.com/wonderfl/checkmate/obama.xml";
		private var bushImgUrl:String = "http://www.matzmtok.com/wonderfl/checkmate/image/bush.png";
		private var obamaImgUrl:String = "http://www.matzmtok.com/wonderfl/checkmate/image/obama.png";

private var bushBmpData:BitmapData;
		private var obamaBmpData:BitmapData;
		
		private var interval:int;
		private var chkFlag:uint;
		
		private var oScreen:Sprite;
		private var bScreen:Sprite;
		
		private var bVerD:Vector.<Number>;
		private var oVerD:Vector.<Number>;
		private var verD:Vector.<Number>;
		
		private var oIndD:Vector.<int>;
		private var bIndD:Vector.<int>;
		
		private var bUvtD:Vector.<Number>;
		private var oUvtD:Vector.<Number>;
		
		private var sw:Number = 465;
		private var sh:Number = 465;
		
        public function DrawTriangleTest() {
			
			addEventListener(Event.ADDED_TO_STAGE, addedToStageHandler);
        } 
		
		private function addedToStageHandler(e:Event):void 
		{
			
			trace('initialize');
                        Wonderfl.disable_capture();
                        Wonderfl.capture_delay( 3 );
			removeEventListener(Event.ADDED_TO_STAGE, addedToStageHandler);
			
			Security.loadPolicyFile("http://www.matzmtok.com/wonderfl/crossdomain.xml");
			
			addChild(oScreen = new Sprite());
			addChild(bScreen = new Sprite());
			
			interval = setInterval(waitInitialze, 500);
			
			var l1:URLLoader = new URLLoader();
			l1.load(new URLRequest(bushUrl));
			l1.addEventListener(Event.COMPLETE, bushLoadCompleteHandler);
			
			var l2:URLLoader = new URLLoader();
			l2.load(new URLRequest(obamaUrl));
			l2.addEventListener(Event.COMPLETE, obamaLoadCompleteHandler);
			
			var lc:LoaderContext = new LoaderContext(true);
			var l3:Loader = new Loader();
			l3.load(new URLRequest(bushImgUrl), lc);
			l3.contentLoaderInfo.addEventListener(Event.COMPLETE, bushImagLoadCompleteHandler);

var l4:Loader = new Loader();
			l4.load(new URLRequest(obamaImgUrl), lc);
			l4.contentLoaderInfo.addEventListener(Event.COMPLETE, obamaImgLoadCompleteHandler);
		}
		
		private function obamaImgLoadCompleteHandler(e:Event):void 
		{
			trace('complete obama img');
			var l:LoaderInfo = e.target as LoaderInfo;
			var bmp:Bitmap;
			
			bmp = l.content as Bitmap;
			obamaBmpData = new BitmapData(bmp.width, bmp.height, true);
			obamaBmpData.draw(bmp);
			
			chkFlag |= 0x01;
		}
		
		private function bushImagLoadCompleteHandler(e:Event):void 
		{
			trace('complete bush img');
			var l:LoaderInfo = e.target as  LoaderInfo;
			var bmp:Bitmap;
			
			bmp = l.content as Bitmap;
			bushBmpData = new BitmapData(bmp.width, bmp.height, true);
			bushBmpData.draw(bmp);

chkFlag |= 0x02;
		}
		
		private function obamaLoadCompleteHandler(e:Event):void 
		{
			trace('complete obma xml');
			var l:URLLoader = e.target as URLLoader;
			var xml:XML = new XML(l.data);
			var pts:Array = [];
			var _x:Number, _y:Number;
			var xl:XMLList = xml.points.point;

oVerD = new Vector.<Number>();
			oUvtD = new Vector.<Number>();
			for each(var p:XML in xl) {
				_x = Number(p.@x);
				_y = Number(p.@y);
				oVerD.push(_x, _y);
				oUvtD.push(_x / sw, _y / sh);
			}
			
			oIndD = new Vector.<int>();
			xl = xml.triangles.triangle;
			var i:int;
			for each(var t:XML in xl) {
				i = int(t.@pid0);
				oIndD.push(i);
				i = int(t.@pid1);
				oIndD.push(i);
				i = int(t.@pid2);
				oIndD.push(i);
			}
			chkFlag |= 0x04;
		}
		
		private function bushLoadCompleteHandler(e:Event):void 
		{
			trace('complete bush xml');
			var l:URLLoader = e.target as URLLoader;
			var xml:XML = new XML(l.data);
			var pts:Array = [];
			var _x:Number, _y:Number;
			var xl:XMLList = xml.points.point;

bVerD = new Vector.<Number>();
			bUvtD = new Vector.<Number>();
			for each(var p:XML in xl) {
				_x = Number(p.@x);
				_y = Number(p.@y);
				bVerD.push(_x, _y);
				bUvtD.push(_x / sw, _y / sh);
			}
			
			bIndD = new Vector.<int>();
			xl = xml.triangles.triangle;
			var i:int;
			for each(var t:XML in xl) {
				i = int(t.@pid0);
				bIndD.push(i);
				i = int(t.@pid1);
				bIndD.push(i);
				i = int(t.@pid2);
				bIndD.push(i);
			}
			chkFlag |= 0x08;			
		}
		
		private function waitInitialze():void {
			if (chkFlag == 0x0F) {
				clearInterval(interval);
				
				verD = new Vector.<Number>(oVerD.length,false);
								
				oScreen.alpha = 0.0;
				bScreen.alpha = 1;
				var tl:TweensyTimeline = Tweensy.to(bScreen, { alpha:0.0 }, 2, Linear.easeNone);
				tl.onUpdateParams = [tl];
				tl.onUpdate = update;
				tl.repeatType = TweensyTimeline.LOOP;
			}
		}
		private function update(timeline:TweensyTimeline):void {
			oScreen.alpha = 1 - bScreen.alpha;
			var g:Graphics;
			g = bScreen.graphics;
			
			for (var i:int = 0; i < oVerD.length; i++) {
				verD[i] = bVerD[i] + (oVerD[i] - bVerD[i]) * oScreen.alpha;
			}
			
			//bush
			g.clear();
			g.beginBitmapFill(bushBmpData);
			g.drawTriangles(verD, oIndD, bUvtD);
			g.endFill();

//obama
			g = oScreen.graphics;
			g.clear();
			g.beginBitmapFill(obamaBmpData);
			g.drawTriangles(verD, oIndD, oUvtD);
			g.endFill();

}
    }
}

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