package
{
	import flash.display.DisplayObject;
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.Event;
	
	public class object_ax_bounce extends Sprite
	{
		private var ball:object_ax_ball;
		private var vx:Number;
		private var vy:Number;
		private var bounce:Number = -0.95;
		private var gravity:Number = 0.4;
		private var display:DisplayObject;
		
		public function object_ax_bounce(d:DisplayObject)
		{
		        display = d;
			init();
		}
		
		private function init():void
		{
			//stage.scaleMode = StageScaleMode.NO_SCALE;
			//stage.align=StageAlign.TOP_LEFT;

			ball = new object_ax_ball(40,0xFFFFFF);
			ball.x = display.width / 2;
			ball.y = display.height / 2;
			vx = Math.random() * 20 - 10;
			vy = -20;
			addChild(ball);
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onEnterFrame(event:Event):void
		{
			var ax:Number = Math.random() * 2 - 1;
			var ay:Number = Math.random() * 4 - 2;
			vx += ax;
			vy += ay + gravity;
			ball.x += vx;
			ball.y += vy;
			var sc:Number = display.width/320.0;
			ball.scaleX = ball.scaleY = sc;
			var left:Number = 0;
			var right:Number = display.width;
			var top:Number = 0;
			var bottom:Number = display.height;
			
			if(ball.x + ball.radius > right)
			{
				ball.x = right - ball.radius;
				vx *= bounce;
			}
			else if(ball.x - ball.radius < left)
			{
				ball.x = left + ball.radius;
				vx *= bounce;
			}
			if(ball.y + ball.radius > bottom)
			{
				ball.y = bottom - ball.radius;
				vy *= bounce;
			}
			else if(ball.y - ball.radius < top)
			{
				ball.y = top + ball.radius;
				vy *= bounce;
			}
		}
	}
}