void SpawnPlanet(Transform pos)
{
int index = Random.Range(0, planets.Length);
GameObject go = Instantiate(planet, pos.position, pos.rotation);
Texture2D tex = pg.GenerateImage();
float scale = Random.Range(4f, 6f);
float mass = Map(scale, 4f, 6f, 25000, 50000);
float gravityDist = Map(scale, 4f, 6f, 115f, 175f);
go.GetComponent <GravityBody>().gravityDistance = gravityDist;
go.GetComponent <Rigidbody2D>().mass = mass;
go.transform.localScale = new Vector3(scale, scale, scale);
go.GetComponent <SpriteRenderer>().sprite = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), Vector2.one * 0.5f);
pc++;
}