public void spawnAsteroid()
{
GameObject asteroid_instance = SharedInstance.GetPooledObject();
if (asteroid_instance != null)
{
PickSpawnPoint();
asteroid_instance.transform.position = spawnPoint;
asteroid_instance.SetActive(true);
asteroid_instance.GetComponent <Rigidbody>().AddForce(targetPos * Random.Range(100000.0f, 200000.0f));
asteroid_instance.GetComponent <Rigidbody>().AddTorque(targetPos * 1000000.0f);
}
}
