public IEnumerator RespawnPlayerCo()
{
Instantiate(deathParticle, player.transform.position, player.transform.rotation);
player.enabled = false;
player.GetComponent <Renderer>().enabled = false;
player.GetComponent <Rigidbody2D>().velocity = Vector2.zero;
Debug.Log("respawn player..");
player.transform.position = currentCheckPoint.transform.position;
//IEnumeratorla çalışıyor
yield return(new WaitForSeconds(delayTime));
playerHealthManager.DoFullHealth();
playerHealthManager.isDead = false;
player.enabled = true;
player.GetComponent <Renderer>().enabled = true;
player.knockbackCount = -0.1f;
Instantiate(respawnParticle, player.transform.position, player.transform.rotation);
}