package
{
    import net.flashpunk.Entity;
    import net.flashpunk.graphics.Image;
    import net.flashpunk.graphics.Spritemap;

    public class Background
    {

        public var sprbackground:Spritemap = new Spritemap(background, 800, 600);
        public function Background()
        {
            sprbackground.add("idle", [0], 1, true);
            graphic = sprbackground;
        }

    }

}





GAMEWORLD:



package
{
    import flash.geom.PerspectiveProjection;
    import flash.text.engine.TabAlignment;
    import net.flashpunk.graphics.Backdrop;
    import net.flashpunk.World;
    import net.flashpunk.Entity;
    import net.flashpunk.utils.Input;
    import net.flashpunk.FP;
    import net.flashpunk.graphics.Image;
    import net.flashpunk.graphics.Text;
    import net.flashpunk.Sfx;

    /**
     * ...
     * @author ...
     */
    public class GameWorld extends World
    {
        public static var background:Background = new Background();

        public var music:Sfx = new Sfx(Assets.MUSIC);
        public var ball:Ball;
        public static var vPaddle:VerticalPaddle;
        public static var hPaddle:HorizontalPaddle;
        public static var aiVPaddle:AIverticalPaddle;
        public static var aiHPaddle:AIhorizontalPaddle;
        public static var ballCount:int = 0;
        public static var aiSpeed:int = 2;
        public var P1ScoreText:Text = new Text("0");
        public var AIScoreText:Text = new Text("0");
        public var timer:Number = 0;
        public static var pScore:int = 0;
        public static var aScore:int = 0;
        public function GameWorld()

        {
            ball = new Ball(FP.screen.width / 2 - 7 / 2, FP.screen.height / 2 - 7);
            vPaddle = new VerticalPaddle(25);
            hPaddle = new HorizontalPaddle(25);
            aiVPaddle = new AIverticalPaddle(FP.screen.width - 25 - 10);
            aiHPaddle = new AIhorizontalPaddle(FP.screen.height - 25 - 10);
            add(ball);
            add(vPaddle);
            add(hPaddle);
            add(aiVPaddle);
            add(aiHPaddle);
            this.addGraphic(P1ScoreText, 4, FP.screen.width /2 - 50, FP.screen.height /2 -50);
            this.addGraphic(AIScoreText, 4, FP.screen.width / 2 + 50, FP.screen.height / 2);
            P1ScoreText.size = 90;
            P1ScoreText.color = 0xe3563;
            AIScoreText.size = 90;
            AIScoreText.color = 0xff0000;
            music.loop();
            add(background);
        }

        override public function update():void
        {
            P1ScoreText.text = pScore.toString();
            AIScoreText.text = aScore.toString();

            //aiHPaddle.x = ball.x - Image(aiHPaddle.graphic).scaledWidth / 2;
            //aiVPaddle.y = ball.y - Image(aiVPaddle.graphic).scaledHeight / 2;

            aiHPaddle.moveTowards(ball.x - Image(aiHPaddle.graphic).scaledWidth / 2, aiHPaddle.y, aiSpeed);
            aiVPaddle.moveTowards(aiVPaddle.x, ball.y - Image(aiVPaddle.graphic).scaledHeight / 2, aiSpeed);

            super.update();
        }
    }

}