public GameObject CreateRocket()
{
Vector2 pos = mainCircle.GetRandomPoint();
GameObject probe = Instantiate(ProbePrefab, pos, Quaternion.identity);
probe.transform.rotation = QuaternionUtil.GetOppositeDirection(probe, MainObject);
probe.transform.SetParent(MainObject.transform);
probe.GetComponent <RocketBehaviour>().Init(endCircle);
return(probe);
}