===================================================================
--- original.js
+++ change.js
@@ -1,104 +1,119 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 //<Assets used in the game will automatically appear here>
 // Car class
 var Car = Container.expand(function () {
-  var self = Container.call(this);
-  var carGraphics = self.attachAsset('car', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 5;
-  self.direction = 0; // 0: straight, 1: left, 2: right
-  self.update = function () {
-    if (self.direction === 1) {
-      self.rotation -= 0.05;
-    } else if (self.direction === 2) {
-      self.rotation += 0.05;
-    }
-    self.x += self.speed * Math.cos(self.rotation);
-    self.y += self.speed * Math.sin(self.rotation);
-  };
-  self.turnLeft = function () {
-    self.direction = 1;
-  };
-  self.turnRight = function () {
-    self.direction = 2;
-  };
-  self.straighten = function () {
-    self.direction = 0;
-  };
+	var self = Container.call(this);
+	var carGraphics = self.attachAsset('car', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	self.direction = 0; // 0: straight, 1: left, 2: right
+	self.update = function () {
+		if (self.direction === 1) {
+			self.rotation -= 0.05;
+		} else if (self.direction === 2) {
+			self.rotation += 0.05;
+		}
+		self.x += self.speed * Math.cos(self.rotation);
+		self.y += self.speed * Math.sin(self.rotation);
+	};
+	self.turnLeft = function () {
+		self.direction = 1;
+	};
+	self.turnRight = function () {
+		self.direction = 2;
+	};
+	self.straighten = function () {
+		self.direction = 0;
+	};
 });
 // Obstacle class
 var Obstacle = Container.expand(function () {
-  var self = Container.call(this);
-  var obstacleGraphics = self.attachAsset('obstacle', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.update = function () {
-    self.y += 5;
-    if (self.y > 2732) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		self.y += 5;
+		if (self.y > 2732) {
+			self.destroy();
+		}
+	};
 });
+// Spiral class
+var Spiral = Container.expand(function () {
+	var self = Container.call(this);
+	self.radius = 100;
+	self.angle = 0;
+	self.speed = 0.01;
+	self.update = function () {
+		self.angle += self.speed;
+		self.x = 2048 / 2 + self.radius * Math.cos(self.angle);
+		self.y = 2732 / 2 + self.radius * Math.sin(self.angle);
+		if (self.y > 2732) {
+			self.destroy();
+		}
+	};
+});
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize variables
 var car = new Car();
 car.x = 2048 / 2;
 car.y = 2732 - 200;
 game.addChild(car);
-var obstacles = [];
+var spirals = [];
 var score = 0;
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Handle touch events
 game.down = function (x, y, obj) {
-  if (x < 2048 / 2) {
-    car.turnLeft();
-  } else {
-    car.turnRight();
-  }
+	if (x < 2048 / 2) {
+		car.turnLeft();
+	} else {
+		car.turnRight();
+	}
 };
 game.up = function (x, y, obj) {
-  car.straighten();
+	car.straighten();
 };
 // Update game state
 game.update = function () {
-  car.update();
-  // Create obstacles
-  if (LK.ticks % 60 === 0) {
-    var obstacle = new Obstacle();
-    obstacle.x = Math.random() * 2048;
-    obstacle.y = -100;
-    obstacles.push(obstacle);
-    game.addChild(obstacle);
-  }
-  // Update obstacles
-  for (var i = obstacles.length - 1; i >= 0; i--) {
-    obstacles[i].update();
-    if (car.intersects(obstacles[i])) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-  }
-  // Update score
-  score += 1;
-  scoreTxt.setText(score);
+	car.update();
+	// Create spirals
+	if (LK.ticks % 60 === 0) {
+		var spiral = new Spiral();
+		spiral.x = 2048 / 2;
+		spiral.y = -100;
+		spirals.push(spiral);
+		game.addChild(spiral);
+	}
+	// Update spirals
+	for (var i = spirals.length - 1; i >= 0; i--) {
+		spirals[i].update();
+		if (car.intersects(spirals[i])) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+		}
+	}
+	// Update score
+	score += 1;
+	scoreTxt.setText(score);
 };
\ No newline at end of file