     let heroCategory = 0x1 << 1
     let groundCategory = 0x1 << 2
     let obstacleCategory = 0x1 << 3
-  
-  
   
     override func didMoveToView(view: SKView) {
     


      

        // Swipe Recognizer Setup [Tuan/Vincent]
        var swipeUpRecognizer = UISwipeGestureRecognizer(target: self, action: "swipeUpAction:")
        swipeUpRecognizer.direction = UISwipeGestureRecognizerDirection.Up

                println("REsTART gAME")
            }
        }
    }
  
  //kori and brian
  func spawnBench(){
