/**** 
* Classes
****/ 
// Create a class for the bike
var Bike = Container.expand(function () {
	var self = Container.call(this);
	// Attach the bike asset to the bike object
	var bikeGraphics = self.attachAsset('bike', {
		anchorX: 3,
		anchorY: 3,
		scaleX: 3,
		scaleY: 3
	});
	// Add update function to move the bike
	self.update = function () {
		// Move the bike to the right
		self.x += -2;
	};
});
// Initialize the bike asset
// Create a class for the road
var Road = Container.expand(function () {
	var self = Container.call(this);
	// Attach the road asset to the road object
	var roadGraphics = self.attachAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add update function to move the road
	self.update = function () {
		// Move the road to the left
		self.x -= 5;
		// If the road has moved off the screen, move it to the right of the other road
		if (self.x <= -2048) {
			self.x = 2048 + 2048;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Create an instance of the road and add it to the game
// Initialize the road asset
var road1 = game.addChild(new Road());
// Position the road at the center of the screen
road1.x = 2048 / 2;
road1.y = 2732 / 2;
// Create a second instance of the road and add it to the game
var road2 = game.addChild(new Road());
// Position the second road to the right of the first road
road2.x = 2048 / 2 + 2048;
road2.y = 2732 / 2;
// Initialize the bike asset
// Create an instance of the bike and add it to the game
var bike = game.addChild(new Bike());
// Position the bike at the bottom center of the screen
bike.x = 2048 / 2;
bike.y = 2732 - bike.height / 2;

===================================================================
--- original.js
+++ change.js
@@ -13,9 +13,9 @@
 	});
 	// Add update function to move the bike
 	self.update = function () {
 		// Move the bike to the right
-		self.x += 2;
+		self.x += -2;
 	};
 });
 // Initialize the bike asset
 // Create a class for the road