package
{
import flash.display.*;
import flash.events.Event;
import flash.utils.getTimer;
public class Main extends Sprite
{
protected const SPEED:Number = 50; //50 pixels per second
protected var myShape:DisplayObject;
protected var lastTime:int;
public function Main ()
{
addEventListener(Event.ENTER_FRAME, onEnterFrame);
lastTime = getTimer();
var s:Sprite = new Sprite();
addChild(s);
myShape = getChildAt(0);
}
protected function onEnterFrame(event:Event):void
{
var time:int = getTimer();
myShape.x += SPEED * (time - lastTime) / 1000;
lastTime = time;
}
}
}