public SolarSystem(int stars, int planets)
{
const double au = AstronomicalObject.Au;
const double me = AstronomicalObject.Me;
Bodies = new List <AstronomicalObject>
{
new AstronomicalObject(new Point3D(0, 0, 0), 10.9 * 2) /* sun */
{
BodyName = stars == 1 ? "Gwiazda" : "Gwiazda A",
Mass = 333_000 * me * Utils.GetNormalRandom(10, 2),
Velocity = new Vector3D(0, 0, 0),
Material = new DiffuseMaterial {
DiffuseMap = SunTexture
}
}
};
if (stars > 1)
{
var mass = 333_000 * AstronomicalObject.Me * Utils.GetNormalRandom(1, 0.2);
var position = -AstronomicalObject.Au * 0.3;
Bodies.Add(new AstronomicalObject(new Point3D(position, 0, 0), 10.9) /* sun */
{
BodyName = "Gwiazda B",
Mass = mass,
Velocity = new Vector3D(0, 0, -GetVelocity(Math.Abs(position), Bodies[0].Mass + mass)) * 1.15,
Material = new DiffuseMaterial
{
DiffuseMap = SunTexture
}
});
Bodies[0].Velocity = -Bodies[1].Velocity * mass / Bodies[0].Mass;
}
var centerMass = Bodies.Sum(body => body.Mass);
for (var i = 1; i <= planets; i++)
{
var mass = Utils.GetNormalRandom(me * 2, me * 0.8);
var position = new Point3D(Utils.GetNormalRandom(au * i * 0.7, au * 0.1), 0, 0);
var velocity = GetVelocity(position.X, centerMass) * Utils.GetNormalRandom(1.1, 0.1);
var a = Utils.GetNormalRandom(0, Math.PI * 0.05);
Bodies.Add(new AstronomicalObject(position, mass / me * 5)
{
BodyName = $"Planeta {(char) (64 + i)}",
Mass = mass,
Velocity = new Vector3D(0, Math.Sin(a) * velocity, -Math.Cos(a) * velocity),
Material = new DiffuseMaterial
{
DiffuseColor = Utils.GetRandomColor4()
}
});
}
OrbitPrevPoints = new List <Point3D>();
OrbitBuilders = new List <LineBuilder>();
OrbitModels = new List <LineGeometryModel3D>();
foreach (var body in Bodies)
{
OrbitBuilders.Add(new LineBuilder());
OrbitModels.Add(new LineGeometryModel3D
{
Thickness = 0.5,
Color = Colors.Yellow
});
OrbitPrevPoints.Add(body.Position);
}
}
