public void SetUpBody(GenerationSettings.StarSettings starSettings, bool setPositions = true)
{
// this is called when a celestial body is wanting to be set up to be a star
// add a rigidbody to the body
if (rb is null)
{
rb = gameObject.AddComponent <Rigidbody>();
}
// set the type of body
bodyType = starSettings.bodyType;
// set up the visual sphere here
visualSphere = new GameObject(gameObject.name + " visuals");
visualSphere.transform.parent = transform;
//CelestialBodyMesh meshConstructor = visualSphere.AddComponent<CelestialBodyMesh>();
//meshConstructor.Generate(starSettings.structureSettings, starSettings.colorSettings);
// set the properties of the body from the settings
surfaceGravity = starSettings.surfaceGravity;
radius = starSettings.radius;
mass = radius * radius * surfaceGravity / Universe.gravitationalConstant;
axisTilt = starSettings.axisTilt;
axialSpinSpeed = starSettings.axialSpin;
Quaternion upRot = Quaternion.AngleAxis(axisTilt, Vector3.forward);
localUpAxis = upRot * Vector3.up;
StarMesh sm = visualSphere.AddComponent <StarMesh>();
sm.Setup(starSettings.temperature);
// set up the transform
transform.localScale = Vector3.one;
visualSphere.transform.localScale = Vector3.one * radius * 2;
visualSphere.transform.localRotation = upRot;
// setup the rigidbody
rb.mass = mass;
// each object is given a unique id that is generated through its settings
ID = starSettings.id;
if (setPositions)
{
// set up the initial velocity
// for a star in a single star system, we dont need initial velocity
// as the star is not moving initially relative to all other objects
// in the system
initialVelocity = Vector3.zero;
rb.position = Vector3.zero;
}
}
void CreateStar(GenerationSettings.StarSettings starSettings)
{
// create a new star gameobject
// and make it a child of the solar system
GameObject newStar = new GameObject
{
name = "Star"
};
newStar.transform.parent = transform;
// then add components and set the settings
CelestialBody cbComponent = newStar.AddComponent <CelestialBody>();
// pass the settings into the celestial body to all it to set up
cbComponent.SetUpBody(starSettings);
star = cbComponent;
celestialBodies.Add(cbComponent);
}
