/**** 
* Classes
****/ 
// The assets will be automatically created and loaded by the LK engine.
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.speed;
	};
});
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.y += self.speed;
	};
});

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

/**** 
* Game Code
****/ 
// Initialize car and obstacles
var car = game.addChild(new Car());
car.x = 2048 / 2;
car.y = 2732 - 200;
var obstacles = [];
for (var i = 0; i < 10; i++) {
	var obstacle = game.addChild(new Obstacle());
	obstacle.x = Math.random() * 2048;
	obstacle.y = Math.random() * 2732;
	obstacles.push(obstacle);
}
// Game update function
game.update = function () {
	// Check for collisions
	for (var i = 0; i < obstacles.length; i++) {
		if (car.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Move obstacles
	for (var i = 0; i < obstacles.length; i++) {
		obstacles[i].y += obstacles[i].speed;
		if (obstacles[i].y < -50) {
			obstacles[i].y = 2732;
			obstacles[i].x = Math.random() * 2048;
		}
	}
};
// Handle touch events
game.down = function (x, y, obj) {
	car.x = x;
};
game.move = function (x, y, obj) {
	car.x = x;
};

===================================================================
--- original.js
+++ change.js
@@ -8,9 +8,9 @@
 	var carGraphics = self.attachAsset('car', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.self.update = function () {
+	self.update = function () {
 		self.y += self.speed;
 	};
 });
 // Obstacle class