Math.tan

/**
 * Copyright Ryogo_Quberey ( http://wonderfl.net/user/Ryogo_Quberey )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/i1dU
 */

package {
    import flash.display.Sprite;
    import flash.events.Event;
    public class Ball extends Sprite {
            public var radius:Number;
            public var color:uint;
            
            public var ball:Ball;
            public var angle:Number=0;
            public var tangle:Number=0;
            
        public function Ball(radius:Number = 30,  color:uint=0x00ffcc ) {
            // write as3 code here..
            
             graphics.beginFill(color);
             graphics.drawCircle(0,0,radius);
             graphics.endFill();
             
             
             addEventListener(Event.ENTER_FRAME, onEnter);
         }

         
            public function onEnter(event:Event):void{
             this.x = stage.stageWidth  / 2 + Math.tan(tangle)*50;  
             this.y = stage.stageHeight / 2 + Math.sin(angle)*50; 
             angle +=.1;
             tangle +=.05;
         }
       }
      }