k
func
scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
var visibleRect = CGRect()
visibleRect.origin = collectionV.contentOffset
visibleRect.size = collectionV.bounds.size
let visiblePoint = CGPoint(x: visibleRect.midX, y: visibleRect.midY)
guard let indexPath = collectionV.indexPathForItem(at: visiblePoint) else { return }
onTourSelected?(indexPath)
}