IEnumerator TutorialManager() { yield return(new WaitForSeconds(tutorialClips.clip.length + 1)); Destroy(walls[0]); tutorialClips.PlayOneShot(audioClips[0]); yield return(new WaitForSeconds(audioClips[0].length)); Destroy(walls[1]); tutorialClips.PlayOneShot(audioClips[1]); yield return(new WaitForSeconds(audioClips[1].length)); Destroy(walls[2]); tutorialClips.PlayOneShot(audioClips[2]); yield return(new WaitForSeconds(audioClips[2].length)); Destroy(walls[3]); StartCoroutine(displayTexts.Countdown()); yield break; }