private void CreateFirstRing(Vector3 newPoint)
{
_prevRing = GetInactveRing();
_prevRing.transform.position = new Vector3(newPoint.x - 10f, newPoint.y, newPoint.z);
Tweener t = _prevRing.transform.DOMove(newPoint, 0.5f);
t.SetEase(Ease.InCubic);
RingHead ringHead = _prevRing.GetComponentInChildren <RingHead> ();
ringHead.Hide();
}