public async Task GenerateSector(long x, long y, UniverseContext dbContext)
{
// each sector has +/-10% of _starDensity
var count = Math.Floor(_rand.NextDouble() * 2 * _gameConfiguration.StarDensity * 0.1 + _gameConfiguration.StarDensity * 0.9);
for (int i = 0; i < count; i++)
{
var star = await GenerateStar(x, y, dbContext);
await dbContext.Stars.AddAsync(star);
}
await dbContext.SaveChangesAsync();
}
public async Task <Star> GenerateStar(long sectorX, long sectorY, UniverseContext dbContext)
{
var adj = _rand.Pick(_adjectives);
var noun = _rand.Pick(_nouns);
var star = new Star
{
Id = Guid.NewGuid(),
Name = $"{adj} {noun}",
X = _rand.NextLong(_gameConfiguration.SectorSize),
Y = _rand.NextLong(_gameConfiguration.SectorSize),
SectorX = sectorX,
SectorY = sectorY,
Planets = new List <Planet>()
};
var planetCount = _rand.Next(11);
long currentR = 10_000_000_000;
// venus = 108.09 108.09
// earth = 150.61 42.52
// mars = 209.46 58.85
// a.belt = 403.5 194.04
// jupiter = 768.63 365.13
// saturn = 1493.7 725.07
// uranus = 1839.2 345.5
// neptune = 4476.3 2637.1
// pluto = 5910 1433.7
// 656.67 (42.52 - 2637.1)
// 40 - 2000
for (int i = 0; i < planetCount; i++)
{
var p = new Planet
{
Id = Guid.NewGuid(),
StarId = star.Id,
Name = $"{star.Name} {i.ToRomanNumerals()}",
R = currentR + _rand.NextLong(40_000_000_000, 2_000_000_000_000),
Phi = (float)(_rand.NextDouble() * 2 * Math.PI),
Year = (float)(_rand.NextDouble() * 0.8 + 0.2)
};
currentR = p.R;
star.Planets.Add(p);
var pm = new PlanetMeta
{
PlanetId = p.Id,
Gravity = _rand.NextFloat(_gameConfiguration.GravityMin, _gameConfiguration.GravityMax, _gameConfiguration.GravityPrecision),
Temperature = _rand.NextFloat(_gameConfiguration.TemperatureMin, _gameConfiguration.TemperatureMax, _gameConfiguration.TemperaturePrecision),
Radiation = _rand.NextFloat(_gameConfiguration.RadiationMin, _gameConfiguration.RadiationMax, _gameConfiguration.RadiationPrecision),
Surface = new Minerals(),
Concentration = new Minerals
{
Ironium = (float)_rand.NextDouble(),
Boranium = (float)_rand.NextDouble(),
Germanium = (float)_rand.NextDouble()
}
};
await dbContext.PlanetMetas.AddAsync(pm);
}
return(star);
}
}
