/**** 
* Classes
****/ 
var JediTrainingBall = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('jediTrainingBall', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = {
		x: 5,
		y: 5
	};
	self._move_migrated = function () {
		self.x += self.speed.x;
		self.y += self.speed.y;
		if (self.y >= 2732 / 2 - 500) {
			self.speed.y = 0;
		}
		if (self.x <= 100 || self.x >= 2048 - 100) {
			self.speed.x *= -1;
		}
		if (self.y <= 0 || self.y >= 2732) {
			self.speed.y *= -1;
		}
	};
});
var LaserBeam = Container.expand(function () {
	var self = Container.call(this);
	var laserGraphics = self.attachAsset('laser', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = self.attachAsset('paddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 20;
	self._move_migrated = function (direction) {
		self.x += direction * self.speed;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Set a wallpaper image as the game background
var wallpaper = LK.getAsset('wallpaper', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2 + 1650
});
game.addChild(wallpaper);
var playerPaddle = game.addChild(new Paddle());
playerPaddle.x = 2048 / 2;
playerPaddle.y = 2732 - 100;
var jediTrainingBall = game.addChild(new JediTrainingBall());
var score = 0;
var laserBeams = [];
// Removed aiPaddle as it is not defined and not needed
var paddles = [playerPaddle];
jediTrainingBall.x = 2048 / 2;
jediTrainingBall.y = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(.5, 0);
LK.gui.top.addChild(scoreTxt);
var targetY = playerPaddle.y;
game.on('move', function (x, y, obj) {
	var event = obj;
	var pos = game.toLocal(event.global);
	playerPaddle.x = pos.x;
});
LK.on('tick', function () {
	// Create laser beams from the ball
	if (LK.ticks % 60 === 0) {
		// Fire a laser every second
		var laserBeam = new LaserBeam();
		laserBeam.x = jediTrainingBall.x;
		laserBeam.y = jediTrainingBall.y + jediTrainingBall.height / 2;
		laserBeams.push(laserBeam);
		game.addChild(laserBeam);
	}
	// Update laser beams
	for (var i = laserBeams.length - 1; i >= 0; i--) {
		laserBeams[i].update();
		if (laserBeams[i].y > 2732) {
			laserBeams.splice(i, 1);
		}
	}
	jediTrainingBall._move_migrated();
	// Removed aiPaddle logic as it is not defined and not needed
	for (var i = 0; i < paddles.length; i++) {}
	LK.setScore(score);
	scoreTxt.setText(LK.getScore().toString());
});

===================================================================
--- original.js
+++ change.js
@@ -26,9 +26,9 @@
 	};
 });
 var LaserBeam = Container.expand(function () {
 	var self = Container.call(this);
-	var laserGraphics = self.attachAsset('sword', {
+	var laserGraphics = self.attachAsset('laser', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.speed = 10;