// This method will be used to create star system manually, or to customize it.
public void AddBodyTo(string parentBody, BodyProperties body, OrbitProperties orbit, string bodyName)
{
// This will be added to the root of the system,
// Stars and main planets will belong to this level.
GameObject newBody = CreateNewBody(bodyName, body);
OrbitingBody orbitScript = CreateNewOrbit(bodyName, parentBody, orbit);
orbitScript.AddBody(newBody, body);
}