===================================================================
--- original.js
+++ change.js
@@ -1,135 +1,137 @@
-var Player = Container.expand(function() {
-    var self = Container.call(this); //{0}
-    var playerGraphics = XS.getAsset('player', 'Medieval Runner Character');
-    playerGraphics.anchor.set(0.5, 0.5);
-    self.addChild(playerGraphics);
-    this.targetX = null; //{1}
-    this.speed = 60;
-    //{2}
-    this.moveToLane = function(targetX) {
-        this.targetX = targetX;
-    }; //{3}
-    //{4}
-    this.update = function() { //{5}
-        if (this.targetX !== null) {
-            var direction = this.targetX > this.x ? 1 : -1;
-            this.x += direction * this.speed;
-            if (direction > 0 && this.x >= this.targetX || direction < 0 && this.x <= this.targetX) {
-                this.x = this.targetX;
-                this.targetX = null; //{6}
-            } //{7}
-        } //{8}
-    }; //{9}
-}); //{10}
-//{11}
-var Obstacle = Container.expand(function() {
-    var self = Container.call(this); //{12}
-    var obstacleGraphics = XS.getAsset('obstacle', 'Medieval Obstacle');
-    obstacleGraphics.anchor.set(0.5, 0.5);
-    self.addChild(obstacleGraphics);
-    //{13}
-    this.baseSpeed = 10;
-    this.speed = this.baseSpeed;
-    //{14}
-    this.update = function() { //{15}
-        this.speed = this.baseSpeed + Math.floor(XS.ticks / 1000);
-        this.y += this.speed;
-    }; //{16}
-}); //{17}
-//{18}
-var Game = Container.expand(function() {
-    var self = Container.call(this); //{19}
-    var score = 0;
-    var scoreText = new Text2(score, {
-        size: 150,
-        font: "'GillSans-Bold',Impact,'Arial Black',Tahoma",
-        fill: "#ffffff"
-    }); //{20}
-    scoreText.anchor.set(0.5, 0);
-    XS.gui.top.addChild(scoreText);
-    var lanes = [512, 1024, 1536]; // Three lanes for the player to move between
-    var trackGraphics = [];
-    lanes.forEach(function(lane) {
-        var track = XS.getAsset('track', 'Medieval Runner Track');
-        track.anchor.set(0.5, 0);
-        track.x = lane;
-        track.y = 0;
-        trackGraphics.push(track);
-        self.addChild(track);
-    }); //{21}
-    var player = self.addChild(new Player());
-    player.y = 2732 - player.height; // Position the player at the bottom of the screen
-    player.x = lanes[1]; // Start the player in the middle lane
-    var obstacles = [];
-    //{22}
-    function spawnObstacle(lane) {
-        var obstacle = new Obstacle();
-        obstacle.x = lane;
-        obstacle.y = -obstacle.height;
-        obstacles.push(obstacle);
-        self.addChild(obstacle);
-    } //{23}
-    //{24}
-    var lastSpawnedLane = null;
-    //{25}
-    function spawnObstaclePattern() {
-        var pattern = Math.floor(Math.random() * 2);
-        switch (pattern) {
-            case 0:
-                spawnObstacle(lanes[0]);
-                XS.setTimeout(() => spawnObstacle(lanes[2]), 1000);
-                break; //{26}
-            case 1:
-                spawnObstacle(lanes[1]);
-                XS.setTimeout(() => spawnObstacle(lanes[0]), 1000);
-                break; //{27}
-        } //{28}
-        XS.setTimeout(spawnObstaclePattern, 5000);
-    } //{29}
-    //{30}
-    spawnObstaclePattern();
-    //{31}
-    function updateGame() {
-        player.update();
-        obstacles.forEach(function(obstacle) { //{32}
-            obstacle.update();
-            if (obstacle.y > player.y && !obstacle.passed) {
-                score++;
-                scoreText.setText(score); //{33}
-                obstacle.passed = true;
-            } //{34}
-            if (player.intersects(obstacle)) {
-                XS.showGameOver(restartGame);
-            } //{35}
-        }); //{36}
-    } //{37}
-    //{38}
-    XS.on('tick', updateGame);
-    //{39}
-    var swipeStartX = null;
-    stage.on('down', function(obj) {
-        swipeStartX = obj.event.getLocalPosition(stage).x;
-    }); //{40}
-    stage.on('up', function(obj) {
-        var swipeEndX = obj.event.getLocalPosition(stage).x;
-        var swipeDistance = swipeEndX - swipeStartX;
-        if (swipeDistance > 100 && player.x < lanes[2]) { // Swipe right
-            player.moveToLane(lanes[lanes.indexOf(player.x) + 1]);
-        } else if (swipeDistance < -100 && player.x > lanes[0]) { // Swipe left
-            player.moveToLane(lanes[lanes.indexOf(player.x) - 1]);
-        } //{41}
-        swipeStartX = null;
-    }); //{42}
-    //{43}
-    function restartGame() {
-        obstacles.forEach(function(obstacle) { //{44}
-            obstacle.destroy();
-        }); //{45}
-        obstacles = [];
-        player.x = lanes[1];
-        player.y = 2732 - player.height;
-        score = 0;
-        scoreText.setText(score); //{46}
-        //{47}
-    } //{48}
-}); //{49}
\ No newline at end of file
+/**** 
+* Classes
+****/ 
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	var obstacleGraphics = LK.getAsset('obstacle', {});
+	obstacleGraphics.anchor.set(0.5, 0.5);
+	self.addChild(obstacleGraphics);
+	this.baseSpeed = 10;
+	this.speed = this.baseSpeed;
+	this._update_migrated = function () {
+		this.speed = this.baseSpeed + Math.floor(LK.ticks / 1000);
+		this.y += this.speed;
+	};
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = LK.getAsset('player', {});
+	playerGraphics.anchor.set(0.5, 0.5);
+	self.addChild(playerGraphics);
+	this.targetX = null;
+	this.speed = 60;
+	this.moveToLane = function (targetX) {
+		this.targetX = targetX;
+	};
+	this._update_migrated = function () {
+		if (this.targetX !== null) {
+			var direction = this.targetX > this.x ? 1 : -1;
+			this.x += direction * this.speed;
+			if (direction > 0 && this.x >= this.targetX || direction < 0 && this.x <= this.targetX) {
+				this.x = this.targetX;
+				this.targetX = null;
+			}
+		}
+	};
+});
+
+/**** 
+* Initialize Game
+****/ 
+var game = new LK.Game({
+	backgroundColor: 0x000000
+});
+
+/**** 
+* Game Code
+****/ 
+var score = 0;
+var scoreText = new Text2(score, {
+	size: 150,
+	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma",
+	fill: "#ffffff"
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+var lanes = [512, 1024, 1536]; // Three lanes for the player to move between
+var trackGraphics = [];
+lanes.forEach(function (lane) {
+	var track = LK.getAsset('track', {});
+	track.anchor.set(0.5, 0);
+	track.x = lane;
+	track.y = 0;
+	trackGraphics.push(track);
+	game.addChild(track);
+});
+var player = game.addChild(new Player());
+player.y = 2732 - player.height; // Position the player at the bottom of the screen
+player.x = lanes[1]; // Start the player in the middle lane
+var obstacles = [];
+function spawnObstacle(lane) {
+	var obstacle = new Obstacle();
+	obstacle.x = lane;
+	obstacle.y = -obstacle.height;
+	obstacles.push(obstacle);
+	game.addChild(obstacle);
+}
+var lastSpawnedLane = null;
+function spawnObstaclePattern() {
+	var pattern = Math.floor(Math.random() * 2);
+	switch (pattern) {
+		case 0:
+			spawnObstacle(lanes[0]);
+			LK.setTimeout(function () {
+				return spawnObstacle(lanes[2]);
+			}, 1000);
+			break;
+		case 1:
+			spawnObstacle(lanes[1]);
+			LK.setTimeout(function () {
+				return spawnObstacle(lanes[0]);
+			}, 1000);
+			break;
+	}
+	LK.setTimeout(spawnObstaclePattern, 5000);
+}
+spawnObstaclePattern();
+function updateGame() {
+	player._update_migrated();
+	obstacles.forEach(function (obstacle) {
+		obstacle._update_migrated();
+		if (obstacle.y > player.y && !obstacle.passed) {
+			score++;
+			scoreText.setText(score);
+			obstacle.passed = true;
+		}
+		if (player.intersects(obstacle)) {
+			LK.showGameOver(restartGame);
+		}
+	});
+}
+LK.on('tick', updateGame);
+var swipeStartX = null;
+game.on('down', function (x, y, obj) {
+	swipeStartX = game.toLocal(obj.global).x;
+});
+game.on('up', function (x, y, obj) {
+	var swipeEndX = game.toLocal(obj.global).x;
+	var swipeDistance = swipeEndX - swipeStartX;
+	if (swipeDistance > 100 && player.x < lanes[2]) {
+		// Swipe right
+		player.moveToLane(lanes[lanes.indexOf(player.x) + 1]);
+	} else if (swipeDistance < -100 && player.x > lanes[0]) {
+		// Swipe left
+		player.moveToLane(lanes[lanes.indexOf(player.x) - 1]);
+	}
+	swipeStartX = null;
+});
+function restartGame() {
+	obstacles.forEach(function (obstacle) {
+		obstacle.destroy();
+	});
+	obstacles = [];
+	player.x = lanes[1];
+	player.y = 2732 - player.height;
+	score = 0;
+	scoreText.setText(score);
+}
\ No newline at end of file