/**** 
* Classes
****/ 
// 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 = 7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -100;
			self.x = Math.random() * 2048;
		}
	};
});
// PowerUp class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -100;
			self.x = Math.random() * 2048;
		}
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Superman class
var Superman = Container.expand(function () {
	var self = Container.call(this);
	var supermanGraphics = self.attachAsset('superman', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Superman's update logic
	};
});
// Villain class
var Villain = Container.expand(function () {
	var self = Container.call(this);
	var villainGraphics = self.attachAsset('villain', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -100;
			self.x = Math.random() * 2048;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize game elements
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5
}));
background.x = 1024;
background.y = 1366;
var superman = game.addChild(new Superman());
superman.x = 1024;
superman.y = 2400;
var villains = [];
var obstacles = [];
var powerUps = [];
// Create villains
for (var i = 0; i < 5; i++) {
	var villain = new Villain();
	villain.x = Math.random() * 2048;
	villain.y = Math.random() * -2732;
	villains.push(villain);
	game.addChild(villain);
}
// Create obstacles
for (var i = 0; i < 5; i++) {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * 2048;
	obstacle.y = Math.random() * -2732;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Create power-ups
for (var i = 0; i < 3; i++) {
	var powerUp = new PowerUp();
	powerUp.x = Math.random() * 2048;
	powerUp.y = Math.random() * -2732;
	powerUps.push(powerUp);
	game.addChild(powerUp);
}
// Handle game move events
game.move = function (x, y, obj) {
	superman.x = x;
	superman.y = y;
};
// Update game logic
game.update = function () {
	// Update villains
	villains.forEach(function (villain) {
		villain.update();
		if (superman.intersects(villain)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	});
	// Update obstacles
	obstacles.forEach(function (obstacle) {
		obstacle.update();
		if (superman.intersects(obstacle)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	});
	// Update power-ups
	powerUps.forEach(function (powerUp) {
		powerUp.update();
		if (superman.intersects(powerUp)) {
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			powerUp.y = -100;
			powerUp.x = Math.random() * 2048;
		}
	});
};
// Display score
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.setText(LK.getScore());
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);

===================================================================
--- original.js
+++ change.js
@@ -74,8 +74,14 @@
 /**** 
 * Game Code
 ****/ 
 // Initialize game elements
+var background = game.addChild(LK.getAsset('background', {
+	anchorX: 0.5,
+	anchorY: 0.5
+}));
+background.x = 1024;
+background.y = 1366;
 var superman = game.addChild(new Superman());
 superman.x = 1024;
 superman.y = 2400;
 var villains = [];