public void GenerateSolarSystem()
{
System.Random rand = new System.Random();
//for generating a new solar system on the fly
if (_solarSystem.Planets != null)
{
foreach (Planet p in _solarSystem.Planets)
{
Destroy(p.gameObject);
}
_solarSystem.Planets.Clear();
}
if (_solarSystem.Star != null)
{
Destroy(_solarSystem.Star.gameObject);
}
GameObject starGameObject = Instantiate(SolarSystemPrefabs.StarPrefab, transform.position, Quaternion.identity, this.transform);
Star star = starGameObject.GetComponent <Star>();
star.Name = StarName.Generate(rand);
float starSize = Random.Range(Settings.MinStarSize, Settings.MaxStarSize) * Settings.SizeScale;
star.Size = new Vector3(starSize, starSize, starSize);
_solarSystem.Star = star;
int planetAmount = Random.Range(Settings.MinPlanets, Settings.MaxPlanets);
float lastPlanetDistance = 0f;
for (int i = 0; i < planetAmount; i++)
{
//Instantiate planets
float distance = Random.Range(Settings.MinDistanceBetween, Settings.MaxDistanceBetween) + lastPlanetDistance;
lastPlanetDistance = distance;
GameObject planetGameObject = Instantiate(SolarSystemPrefabs.PlanetPrefab,
star.transform.position + new Vector3(distance * Settings.SizeScale, distance * Settings.SizeScale, 0),
Quaternion.identity, this.transform);
Planet planet = planetGameObject.GetComponent <Planet>();
//set Planet Name
planet.Name = StarName.Generate(rand);
//set Planet Size
float planetSize = Random.Range(Settings.MinPlanetSize, Settings.MaxPlanetSize) * ((distance / 10000) / Settings.SizeScale);
planet.Size = new Vector3(planetSize, planetSize, planetSize);
planet.OrbitPeriod = (distance / Settings.SizeScale) * 2;
_solarSystem.Planets.Add(planet);
//determine if planet has satellites orbiting it and instantiate them
bool hasSatellite = Random.Range(Settings.ChanceOfSatellite, 10) <= Settings.ChanceOfSatellite;
if (hasSatellite)
{
int satelliteAmount = Random.Range(Settings.MinSatellites, Settings.MaxPlanets);
float lastSatelliteDistance = 0f;
//instantiate satellite
for (int j = 0; j < satelliteAmount; j++)
{
float distanceToPlanet = (((distance * Settings.SizeScale) + lastSatelliteDistance) + planetSize) / 20;
lastSatelliteDistance = distanceToPlanet;
GameObject satelliteGameObject = Instantiate(SolarSystemPrefabs.SattelitePrefab,
planetGameObject.transform.position + new Vector3(distanceToPlanet, 0, distanceToPlanet),
Quaternion.identity, planet.transform);
Satellite satellite = satelliteGameObject.GetComponent <Satellite>();
satellite.OrbitPeriod = distanceToPlanet * planetSize * 100;
satellite.Orbiter = planet;
//set Satellite name
satellite.Name = StarName.Generate(rand);
float satelliteSize = Random.Range(Settings.MinPlanetSize, Settings.MaxPlanetSize) * ((distanceToPlanet / 1000) / Settings.SizeScale);
satellite.Size = new Vector3(satelliteSize, satelliteSize, satelliteSize);
planet.Sattelites.Add(satellite);
}
}
}
_solarSystem.AllignPlanets();
}
