         swipeDownRecognizer.direction = UISwipeGestureRecognizerDirection.Down
         self.view?.addGestureRecognizer(swipeDownRecognizer)
 
-        // Physics - setting gravity to game world
+        // Physics - Setting Gravity to Game World
         self.physicsWorld.gravity = CGVectorMake(0.0, -9.8)
         self.physicsWorld.contactDelegate = self
         
+        // City Background [Tina]
         for var index = 0; index < 2; ++index {
             let bg = SKSpriteNode(imageNamed: "bg\(index).jpg")
             bg.anchorPoint = CGPointZero


class GameScene: SKScene, SKPhysicsContactDelegate {

    
    // Jump Properties
    var currentTime = 0.0
    var previousTime = 0.0
    var deltaTime = 0.0

            self.roadSize = road.size
            self.addChild(road)
        }
        
        // Hero [Kevin/Tina]
        var bradTexture = SKTexture(imageNamed: "hero.jpg") // Change 90x90 image
        bradTexture.filteringMode = SKTextureFilteringMode.Nearest
        
