/*
 * repeats = 4 ってしても4回ループしてない？
 * どうやらrepeatsは追加で動く回数みたい
 */

package 
{
    import flash.display.*;
    import flash.events.*;
    import com.flashdynamix.motion.*;

[SWF(width="500", height="500", backgroundColor="#000000", frameRate="30")]
    public class TweensyTest extends Sprite
    {
        private var _sp:Sprite;

public function TweensyTest()
        {
            addEventListener(Event.ADDED_TO_STAGE, init);
        }

private function init(e:Event):void
        {
            stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.align = StageAlign.TOP_LEFT;

_sp = new Sprite();
            with(_sp.graphics)
            {
                beginFill(0xFF0000);
                drawRect(0, 0, 50, 50);
                endFill();
            }
            addChild(_sp);
            //_sp.x = 100;
           var t:TweensyTimeline = Tweensy.to(_sp, {x:200}, 0.5) ; 
            t.repeatType = TweensyTimeline.LOOP;
            t.repeats = 4 ;

}
    }

}

TweensyTest LOOP