===================================================================
--- original.js
+++ change.js
@@ -1,44 +1,49 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 //<Assets used in the game will automatically appear here>
 // Ball class
 var Ball = Container.expand(function () {
-  var self = Container.call(this);
-  var ballGraphics = self.attachAsset('ball', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speedX = 5;
-  self.speedY = 5;
-  self.update = function () {
-    self.x += self.speedX;
-    self.y += self.speedY;
-    // Check for collision with walls
-    if (self.x <= 0 || self.x >= 2048) {
-      self.speedX *= -1;
-    }
-    if (self.y <= 0 || self.y >= 2732) {
-      self.speedY *= -1;
-    }
-  };
+	var self = Container.call(this);
+	var ballGraphics = self.attachAsset('ball', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedX = 5;
+	self.speedY = 5;
+	self.update = function () {
+		self.x += self.speedX;
+		self.y += self.speedY;
+		// Check for collision with walls
+		if (self.x <= 0 || self.x >= 2048) {
+			self.speedX *= -1;
+		}
+		if (self.y <= 0 || self.y >= 2732) {
+			self.speedY *= -1;
+		}
+		// Change direction every 3 seconds
+		if (LK.ticks % 180 == 0) {
+			self.speedX = Math.random() * 10 - 5;
+			self.speedY = Math.random() * 10 - 5;
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize ball
 var ball = game.addChild(new Ball());
 ball.x = 2048 / 2;
 ball.y = 2732 / 2;
 // Update game every tick
 game.update = function () {
-  ball.update();
+	ball.update();
 };
\ No newline at end of file