flash on 2010-5-13

/**
 * Copyright _ueueueueue ( http://wonderfl.net/user/_ueueueueue )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/u1hU
 */

package 
{
	import flash.display.*;
	import flash.events.*;
	import flash.geom.*;
	import flash.text.*;
	import flash.ui.*;
	
	[SWF(backgroundColor=0xFFFFFF,frameRate=60)]
	
	/**
	 * ...
	 * @author ue
	 */
	
	public class Main extends Sprite
	{
		private var ball:Sprite;
		private var angle:Number = 0;
		private var radius:Number = 150;
		private var value:Number = 1.5;
		
		public function Main():void 
		{
			ball = new Sprite();
			ball.graphics.beginFill(0x0);
			ball.graphics.drawCircle(0, 0, 5);
			ball.x = stage.stageWidth / 2;
			ball.y = stage.stageHeight / 2;
			addChild(ball);
			
			graphics.lineStyle(0, 0x0, .2);
			graphics.moveTo(ball.x, ball.y);
			addEventListener(Event.ENTER_FRAME, update);
		}
		
		private function update(e:Event):void 
		{
			angle += .05;
			ball.x = (Math.sin(angle)* Math.sin(angle * value)) * radius + stage.stageWidth / 2;
			ball.y = (Math.sin(angle / value) * Math.sin(angle)) * radius + stage.stageHeight / 2;
			graphics.lineTo(ball.x, ball.y);
		}
		
	}
}