gistfile1.as

package  
{
	import net.flashpunk.Entity;
	import net.flashpunk.FP;
	import net.flashpunk.graphics.BitmapFont;
	import net.flashpunk.graphics.BitmapText;
	import net.flashpunk.graphics.Text;
	import net.flashpunk.Tween;
	import net.flashpunk.tweens.motion.LinearMotion;
	import net.flashpunk.utils.Ease;
	
	public class MotionScore extends Entity 
	{
		protected var text_score:Text;

		private var myTween:LinearMotion;
		private var to_x:Number;
		private var currText:String;

		public function MotionScore() 
		{
                        currText = "";
			to_x = FP.halfWidth - 50;
			x = to_x;
			y = 340;
			text_score = new Text("", 0, 0, { color:0xFF0000, size:26, align:"center" }, 25);
			graphic = text_score;
			
			// auto remove when it has finished.
			//myTween = new LinearMotion(null, Tween.ONESHOT);
			myTween = new LinearMotion(myComplete);
			myTween.setMotion(to_x, 340, to_x, 300, 0.5, Ease.quadOut);
			addTween(myTween, false);
		}
		
		public function playTween():void 
		{
			myTween.start();
			text_score.visible = true;
		}
		
		private function myComplete():void 
		{
			myTween.active = false;
			text_score.visible = false;
			x = to_x;
			y = 340;
		}
		
		override public function update():void {
			if (myTween.active) {
				// setting x,y position
				x = myTween.x;
				y = myTween.y;
				text_score.text = currText;
				return;
			}
			if (Main.showscore.length > 0) {
				currText = "+" + Main.showscore.shift();
				playTween();
			}
		}
	}

}