private IEnumerator PAFlashEventEffect()
        {
            eventLayer.transform.SetAsFirstSibling();
            while (true)
            {
                eventLayer.SetSprite(spriteDB.triggerEvent);
                yield return(new WaitForSeconds(0.2f));

                eventLayer.SetSprite(spriteDB.emptySprite);
                yield return(new WaitForSeconds(0.2f));
            }
        }
        private IEnumerator PAFlashEyesEffect()
        {
            eyesLayer.transform.SetAsFirstSibling();
            while (true)
            {
                eyesLayer.SetSprite(spriteDB.eyes[0]);
                yield return(new WaitForSeconds(Random.Range(0.25f, 1f)));

                eyesLayer.SetSprite(spriteDB.eyes[1]);
                yield return(new WaitForSeconds(Random.Range(0.25f, 1f)));
            }
        }
        private IEnumerator PAFlashDefeatedEffect()
        {
            defeatedLayer.transform.SetAsFirstSibling();
            while (true)
            {
                defeatedLayer.SetSprite(spriteDB.defeatedSymbol);
                yield return(new WaitForSeconds(0.5f));

                defeatedLayer.SetSprite(spriteDB.emptySprite);
                yield return(new WaitForSeconds(0.5f));
            }
        }