===================================================================
--- original.js
+++ change.js
@@ -1,46 +1,46 @@
-/****
+/**** 
 * Classes
 ****/
 // Define the Player class
 var Player = Container.expand(function () {
-  var self = Container.call(this);
-  var playerGraphics = self.createAsset('playerCar', 'Player car', 0.5, 0.5);
-  self.speed = 5;
-  self.moveLeft = function () {
-    self.x = Math.max(self.width / 2, self.x - self.speed);
-  };
-  self.moveRight = function () {
-    self.x = Math.min(2048 - self.width / 2, self.x + self.speed);
-  };
+	var self = Container.call(this);
+	var playerGraphics = self.createAsset('playerCar', 'Player car', 0.5, 0.5);
+	self.speed = 5;
+	self.moveLeft = function () {
+		self.x = Math.max(self.width / 2, self.x - self.speed);
+	};
+	self.moveRight = function () {
+		self.x = Math.min(2048 - self.width / 2, self.x + self.speed);
+	};
 });
 // Define the Enemy class
 var Enemy = Container.expand(function () {
-  var self = Container.call(this);
-  var enemyGraphics = self.createAsset('enemyCar', 'Enemy car', 0.5, 0.5);
-  self.speed = 3;
-  self.update = function () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var enemyGraphics = self.createAsset('enemyCar', 'Enemy car', 0.5, 0.5);
+	self.speed = 3;
+	self.update = function () {
+		self.y += self.speed;
+	};
 });
 // Define the Bullet class
 var Bullet = Container.expand(function () {
-  var self = Container.call(this);
-  var bulletGraphics = self.createAsset('bullet', 'Bullet', 0.5, 1);
-  self.speed = -10;
-  self.move = function () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var bulletGraphics = self.createAsset('bullet', 'Bullet', 0.5, 1);
+	self.speed = -10;
+	self.move = function () {
+		self.y += self.speed;
+	};
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background
+	backgroundColor: 0x000000 // Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
 // Initialize important asset arrays
 var enemies = [];
@@ -51,61 +51,59 @@
 player.x = 2048 / 2;
 player.y = 2732 - player.height;
 // Handle touch events for player movement
 function handleTouch(obj) {
-  var touchPos = obj.event.getLocalPosition(game);
-  if (touchPos.x < 2048 / 2) {
-    player.moveLeft();
-  } else {
-    player.moveRight();
-  }
+	var touchPos = obj.event.getLocalPosition(game);
+	if (touchPos.x < 2048 / 2) {
+		player.moveLeft();
+	} else {
+		player.moveRight();
+	}
 }
 game.on('down', handleTouch);
 // Game tick event
 LK.on('tick', function () {
-  // Update player
-  player.update();
-  // Update enemies
-  for (var i = enemies.length - 1; i >= 0; i--) {
-    enemies[i].update();
-    if (enemies[i].y > 2732) {
-      enemies[i].destroy();
-      enemies.splice(i, 1);
-    }
-  }
-  // Update bullets
-  for (var j = bullets.length - 1; j >= 0; j--) {
-    bullets[j].move();
-    if (bullets[j].y < 0) {
-      bullets[j].destroy();
-      bullets.splice(j, 1);
-    }
-  }
-  // Check for collisions between bullets and enemies
-  for (var k = bullets.length - 1; k >= 0; k--) {
-    for (var l = enemies.length - 1; l >= 0; l--) {
-      if (bullets[k].intersects(enemies[l])) {
-        bullets[k].destroy();
-        bullets.splice(k, 1);
-        enemies[l].destroy();
-        enemies.splice(l, 1);
-        break;
-      }
-    }
-  }
-  // Spawn enemies
-  if (LK.ticks % 120 == 0) {
-    var newEnemy = new Enemy();
-    newEnemy.x = Math.random() * (2048 - newEnemy.width) + newEnemy.width / 2;
-    newEnemy.y = -newEnemy.height;
-    enemies.push(newEnemy);
-    game.addChild(newEnemy);
-  }
-  // Fire bullets
-  if (LK.ticks % 30 == 0) {
-    var newBullet = new Bullet();
-    newBullet.x = player.x;
-    newBullet.y = player.y - player.height / 2;
-    bullets.push(newBullet);
-    game.addChild(newBullet);
-  }
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		enemies[i].update();
+		if (enemies[i].y > 2732) {
+			enemies[i].destroy();
+			enemies.splice(i, 1);
+		}
+	}
+	// Update bullets
+	for (var j = bullets.length - 1; j >= 0; j--) {
+		bullets[j].move();
+		if (bullets[j].y < 0) {
+			bullets[j].destroy();
+			bullets.splice(j, 1);
+		}
+	}
+	// Check for collisions between bullets and enemies
+	for (var k = bullets.length - 1; k >= 0; k--) {
+		for (var l = enemies.length - 1; l >= 0; l--) {
+			if (bullets[k].intersects(enemies[l])) {
+				bullets[k].destroy();
+				bullets.splice(k, 1);
+				enemies[l].destroy();
+				enemies.splice(l, 1);
+				break;
+			}
+		}
+	}
+	// Spawn enemies
+	if (LK.ticks % 120 == 0) {
+		var newEnemy = new Enemy();
+		newEnemy.x = Math.random() * (2048 - newEnemy.width) + newEnemy.width / 2;
+		newEnemy.y = -newEnemy.height;
+		enemies.push(newEnemy);
+		game.addChild(newEnemy);
+	}
+	// Fire bullets
+	if (LK.ticks % 30 == 0) {
+		var newBullet = new Bullet();
+		newBullet.x = player.x;
+		newBullet.y = player.y - player.height / 2;
+		bullets.push(newBullet);
+		game.addChild(newBullet);
+	}
 });
\ No newline at end of file