5.swift

class PrepareToPushViewController: UIViewController {
    
    let button = UIButton(type: .system)
    let animation = CustomTransition()
    
    override func viewDidLoad() {
        super.viewDidLoad()
		// set view layout
        }
    }
}

// MARK: Setup UI methods

extension PrepareToPushViewController {
    @objc func buttonPressed() {
        let vc = PresentSecondViewController()
        animation.destinationPoint = button.center
        vc.transitioningDelegate = animation
        vc.modalPresentationStyle = .custom
        animation.interation.wire(viewController: vc)
        present(vc, animated: true, completion: nil)
    }
}