override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {

    swiped = true

    if let touch = touches.first{
        let currentPoint = touch.location(in: self.view)
        drawLines(fromPoint: lastPoint, toPoint: currentPoint)

        lastPoint = currentPoint


     segmentTop = touch.location(in: self.view)
     segmentBottom = touch.location(in: self.view)
     segmentLeft = touch.location(in: self.view)
    segmentRight = touch.location(in: self.view)

    }
}