private IEnumerator CheckMatch() { if (_firstRevealed.id == _secondRevealed.id) { playAudio.PlaySuccessClip(); score++; scoreLabel.text = "Score: " + score; } else { yield return(new WaitForSeconds(.5f)); _firstRevealed.Unreveal(); _secondRevealed.Unreveal(); } _firstRevealed = null; _secondRevealed = null; }