/// <summary>
/// When first time called this method makes orbit clockwise, next time - oposite
/// Orbit plane will be unchanged.
/// </summary>
public void MakeOrbitCircle() {
if (attractor) {
#if UNITY_EDITOR
if (!Application.isPlaying) {
FindReferences();
attractor.FindReferences();
Undo.RecordObject(this, "Round orbit");
}
#endif
var v = CelestialBodyUtils.CalcCircleOrbitVelocity(
attractor._position,
_position,
attractor.mass,
mass,
orbitData.orbitNormal,
simControlRef.gravitationalConstant
);
if (relativeVelocity == v) {
relativeVelocity = -v;
} else {
relativeVelocity = v;
}
orbitData.isDirty = true;
}
#if UNITY_EDITOR
else {
Debug.Log("SpaceGravity2D: Can't round orbit. " + name + " has no attractor");
}
#endif
}
/// <summary>
/// Orbit plane will be unchanged.
/// </summary>
public void MakeOrbitCircle(bool clockwise) {
if (attractor) {
#if UNITY_EDITOR
if (!Application.isPlaying) {
FindReferences();
attractor.FindReferences();
Undo.RecordObject(this, "Round orbit");
}
#endif
var dotProduct = CelestialBodyUtils.DotProduct(orbitData.orbitNormal, simControlRef.eclipticNormal); //sign of this value determines orbit orientation
if (Mathd.Abs(orbitData.orbitNormal.sqrMagnitude - 1d) > 0.5d) {
orbitData.orbitNormal = simControlRef.eclipticNormal;
}
var v = CelestialBodyUtils.CalcCircleOrbitVelocity(
attractor._position,
_position,
attractor.mass,
mass,
orbitData.orbitNormal * ( clockwise && dotProduct >= 0 || !clockwise && dotProduct < 0 ? 1 : -1 ),
simControlRef.gravitationalConstant
);
if (relativeVelocity != v) {
relativeVelocity = v;
orbitData.isDirty = true;
}
}
}
public void SetAutoCircleOrbit()
{
if (AttractorObjectRef != null)
{
OrbitData.Velocity = CelestialBodyUtils.CalcCircleOrbitVelocity(Vector3d.zero, OrbitData.Position, OrbitData.AttractorMass, 1f, OrbitData.OrbitNormal, OrbitData.GravitationalConstant);
OrbitData.CalculateNewOrbitData();
if (VelocityHandleRef != null)
{
VelocityHandleRef.position = transform.position + (Vector3)OrbitData.Velocity;
}
}
}
