flash on 2009-12-3

/**
 * Copyright terra1119 ( http://wonderfl.net/user/terra1119 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/lB51
 */

package {
    import flash.display.Sprite;
	import flash.events.Event;
    public class FlashTest extends Sprite {
		private var angle:Number = 0;
		private var radius:Number = 100;
		private var speed:Number = 0.1;
		private var ball:Ball;
        public function FlashTest() {
			init();
            
        }
		
		private function init():void
		{
			ball = new Ball();
			addChild(ball);
			ball.addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onEnterFrame(e:Event):void 
		{
			ball.x = stage.stageWidth / 2 + Math.cos(angle) * radius;
			ball.y = stage.stageHeight / 2 + Math.sin(angle) * radius;
			angle += speed;
		}
    }
}
import flash.display.Sprite;
class Ball extends Sprite {
	public var radius:Number;
	public var color:uint;
	public var vx:Number;
	public var vy:Number;
	
	public function Ball(radius:Number=40,color:uint=0xff0000){
		this.radius = radius;
		this.color = color;
		init();
	}
		
	private function init():void{
		graphics.beginFill(color);
		graphics.drawCircle(0, 0, radius);
		graphics.endFill();
	}
}