进行自定义iOS过渡

Question

我正在尝试进行自定义过渡，例如"Match"。而且我希望这种转换发生在从表视图（符合UIViewControllerTransitionDelegate）单元到视图控制器的过程中。 这是tableView：didSelectRowAt：

override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
  let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)

  selectedFrame = cell.frame

  performSegue(withIdentifier: "toDetails", sender: nil)
}

animationController：presented：presenting：source：

func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
    return CustomPresentTransition(originRect: selectedFrame)
}

在准备segue时，我设置了过渡代理。还有CustomPresentTransition：

class CustomPresentTransition: NSObject, UIViewControllerAnimatedTransitioning{

private let originRect: CGRect

init(originRect: CGRect) {
    self.originRect = originRect
}

func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
    return 2.0
}

func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
    guard let fromVC = transitionContext.viewController(forKey: .from),
    let toVC = transitionContext.viewController(forKey: .to)
    else{
            return
    }

    let containerView = transitionContext.containerView

    toVC.view.alpha = 0
    containerView.addSubview(toVC.view)

    UIView.animate(withDuration: transitionDuration(using: transitionContext), animations: {

    })
}

}

我的问题是，应在UIView.animate中添加什么以创建该效果？在tableView：didSelectRowAt：中像这样传递单元格的框架是否正确？