Swift - Storyboard LaunchScreen

class LaunchViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }

    override func viewDidAppear(_ animated: Bool) {
        Thread.sleep(forTimeInterval: 0.5) // Pause for half a second
        instantiateHomeViewContoller()     // Instantiate HomeViewController
    }
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func instantiateHomeViewContoller() {
        let storyboard = UIStoryboard(name: "Main", bundle: nil)
        let ivc = storyboard.instantiateViewController(withIdentifier: "HomeVC")
        ivc.modalTransitionStyle = .crossDissolve
        ivc.view.layer.speed = 0.1
        self.present(ivc, animated: true, completion: nil)
    }

}