private IEnumerator StartLevelCountdown() { _startLevelCountdown.text = "3"; yield return(new WaitForSeconds(1.0f)); _startLevelCountdown.text = "2"; yield return(new WaitForSeconds(1.0f)); _startLevelCountdown.text = "1"; yield return(new WaitForSeconds(1.0f)); _startLevelCountdown.text = "GO!"; yield return(new WaitForSeconds(1.0f)); _controlsPanel.SetActive(true); _startLevelPanel.SetActive(false); _topPanel.SetActive(true); _sceneController.StartLevel(); yield return(null); }