Tableview scroll dumping cells animation

tableview_dumping_cells_animation.swift

override func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath) {
        
        // instead of return perhaps should do a simpler animation
        if !tableView.dragging || indexPath.row == movies.count { return }
        
        let mvCell = cell as! MovieTableViewCell
        
        
        
        if toTop {
            mvCell.contentView.transform = CGAffineTransformMakeTranslation(0, -80)
            
        } else {
            mvCell.contentView.transform = CGAffineTransformMakeTranslation(0, 80)
            
        }
        
        UIView.animateWithDuration(1, delay: 0, usingSpringWithDamping: 0.8, initialSpringVelocity: 0, options: UIViewAnimationOptions.CurveEaseOut, animations: { () -> Void in
            cell.contentView.transform = CGAffineTransformMakeTranslation(0, 0)
        }, completion: nil)

        

    }
    

    override func scrollViewWillBeginDragging(scrollView: UIScrollView) {
        currentOffset = scrollView.contentOffset.y
    }
    
    override func scrollViewDidScroll(scrollView: UIScrollView) {

        let newOffset = scrollView.contentOffset.y

        if newOffset > currentOffset {
            toTop = false
        } else {
            toTop = true
        }
        currentOffset = newOffset
    }