Triangular Numbers

by shapevent 21 Oct 2009

• Related works: 1

Tags

Math Strings, TextField,
Embed

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

package {

	import flash.display.*;
	import flash.text.*;
	import flash.events.*;


	[SWF(width = 500, height = 500)]

       public class Triangular extends MovieClip {
		private var txt:TextField;
		private var count:int;


               public function Triangular(){

			 
			txt = TextField(addChild(new TextField()));
			txt.defaultTextFormat = new TextFormat("_sans", 4);
			txt.width = stage.stageWidth;
			txt.height = stage.stageHeight+4;
			txt.z = -1;
			txt.x = stage.stageWidth
			txt.rotation = 90;
			count = 0;
			addEventListener(Event.ENTER_FRAME, onLoop);
			
			

               }
               // private methods

		private function onLoop(evt:Event):void{
		     count++;
			 txt.appendText(triangular(count).toString(2) + "\n");
			 txt.scrollV= txt.maxScrollV;
		}
		private function triangular(n:int):int{
		       return (n * (n + 1)) / 2;
		}
		

       }

}