   let ballName = "ball"
   let paddleName = "paddle"
   let blockName = "block"
+  let backgroundLabelName = "backgroundLabel"
   
   let ballCategory   : UInt32 = 0x1 << 0
   let bottomCategory : UInt32 = 0x1 << 1

    
    let ball = childNodeWithName(ballName)
    ball?.physicsBody?.applyImpulse(CGVector(dx: -0.5, dy: 0.2))
  }
  
  func moveHandle(value: CGFloat) {

    loadingLabelNode.fontColor = UIColor.lightGrayColor()
    loadingLabelNode.fontSize = 17
    loadingLabelNode.position = CGPoint(x: CGRectGetMidX(frame), y: CGRectGetMidY(frame))
    loadingLabelNode.name = backgroundLabelName
    
    addChild(loadingLabelNode)
  }
