IEnumerator Generate()
{
while (true)
{
GameObject comet = Instantiate <GameObject>(model);
CelestialOrbit orbit = comet.GetComponent <CelestialOrbit>();
if (orbit == null)
{
orbit = comet.AddComponent <CelestialOrbit>();
}
comet.transform.parent = transform;
comet.transform.localScale = Vector3.one * Random.Range(sizeRange.x, sizeRange.y);
orbit.eccentricity = Random.Range(eccentricityRange.x, eccentricityRange.y);
orbit.periapsis = Random.Range(semiMajorAxisRange.x, semiMajorAxisRange.y);
orbit.period = Random.Range(periodRange.x, periodRange.y);
orbit.limits = new Vector2(-360, 360);
orbit.meanAnomaly = -360f;
orbit.longitude = Random.Range(-180, 180);
orbit.inclination = Random.Range(-180, 180);
orbit.argument = Random.Range(-180, 180);
orbit.ResetSimulation();
comet.SetActive(true);
DestroyOnDisable destroy = comet.AddComponent <DestroyOnDisable>();
orbit.OnOrbitEnd.AddListener(destroy.OnDisable);
yield return(new WaitForSeconds(rate));
}
}
GameObject GenerateBody(GameObject parent, string name, Color color, Vector2 eccentricityRange, Vector2 distanceRange, Vector2 sizeRange)
{
GameObject orbitObj = new GameObject(name);
orbitObj.transform.parent = parent.transform;
orbitObj.transform.localPosition = Vector3.zero;
//add an orbit component, and fill it out
CelestialOrbit orbit = orbitObj.AddComponent <CelestialOrbit>();
orbit.periapsis = Random.Range(distanceRange.x, distanceRange.y);
orbit.eccentricity = Random.Range(eccentricityRange.x, eccentricityRange.y);
orbit.inclination = Random.Range(inclinationRange.x, inclinationRange.y);
orbit.longitude = Random.Range(longitudeRange.x, longitudeRange.y);
orbit.argument = Random.Range(argumentRange.x, argumentRange.y);
orbit.meanAnomaly = Random.Range(-180f, 180f);
orbit.ComputeStaticProperties(); //need to do this so that semi major axis is available
orbit.period = 2 * Math.PI * Math.Sqrt(orbit.semiMajorAxis * orbit.semiMajorAxis * orbit.semiMajorAxis / gravitationParameter);
//create the model for the body
GameObject planetObj = GameObject.CreatePrimitive(PrimitiveType.Cube);
planetObj.GetComponent <Renderer>().material.color = color;
planetObj.transform.parent = orbitObj.transform;
planetObj.transform.localScale = Random.Range(sizeRange.x, sizeRange.y) * Vector3.one;
planetObj.transform.localPosition = Vector3.zero;
return(orbitObj);
}
void Awake()
{
orbit = GetComponent <CelestialOrbit>();
semiMajorAxisOriginal = orbit.periapsis;
argumentOriginal = orbit.argument;
periodOriginal = orbit.period;
}
void Awake()
{
line = GetComponent <LineRenderer>();
if (orbit == null)
{
orbit = GetComponent <CelestialOrbit>();
}
}