[iOS]Select a item by scroll horizontal in a collection view

UICollectionView - Selection by scroll horizontal

//------------------------------------- METHOD 1 ------------------------------------
func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
    let index = Int(targetContentOffset.move().x / view.frame.width)
    let indexPath = IndexPath(item: index, section: 0)
    print("Current index path: \(indexPath.row)")
}

//------------------------------------- METHOD 2 ------------------------------------
func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
    var visibleRect = CGRect()
    visibleRect.origin = collectionView.contentOffset
    visibleRect.size = collectionView.bounds.size
    let visiblePoint = CGPoint(x: visibleRect.midX, y: visibleRect.midY)
    let indexPath = collectionView.indexPathForItem(at: visiblePoint)!
    //guard let indexPath = visibleIndexPath else { return }
    print("Current index path: \(indexPath.row)")
}