public void onPreviousButtonClick() { index -= 1; if (!instructTextBox.IsActive()) { instructTextBox.gameObject.SetActive(true); } if (index > -2) { if (index == -1) { logoImage.SetActive(true); tutorialImage.SetActive(false); goalText.SetActive(false); cheeseImage.SetActive(false); instructTextBox.text = instructList[index + 1]; } else if (index > -1) { logoImage.SetActive(false); tutorialImage.SetActive(true); goalText.SetActive(false); cheeseImage.SetActive(false); tutorialVideoPlayer.clip = tutorialClips[index]; instructTextBox.text = instructList[index + 1]; } } else { index = -1; } }