public MasslessBodyEngine DeepClone()
{
MasslessBodyEngine mbe = new MasslessBodyEngine(dt);
mbe.rockets = new RocketEngine[arraySize];
mbe.bodies = new GameObject[arraySize];
mbe.numBodies = numBodies;
mbe.r = new double[arraySize, GravityEngine.NDIM];
mbe.v = new double[arraySize, GravityEngine.NDIM];
mbe.a = new double[arraySize, GravityEngine.NDIM];
mbe.info = new byte[arraySize];
mbe.trajectories = new Trajectory[arraySize];
mbe.dt = dt;
for (int i = 0; i < numBodies; i++)
{
for (int j = 0; j < GravityEngine.NDIM; j++)
{
mbe.r[i, j] = r[i, j];
mbe.v[i, j] = v[i, j];
mbe.a[i, j] = a[i, j];
}
mbe.info[i] = info[i];
mbe.bodies[i] = bodies[i];
mbe.trajectories[i] = trajectories[i];
mbe.rockets[i] = rockets[i];
}
return(mbe);
}
public void Clear()
{
numBodies = 0;
fixedBodiesInIntegrator = 0;
integrator.Clear();
masslessEngine = null;
gravityParticles.Clear();
fixedBodies.Clear();
}
public void AddMasslessBody(GameObject gobject, float physToWorldFactor, double engineDt)
{
if (masslessEngine == null)
{
masslessEngine = new MasslessBodyEngine(engineDt);
// worldState points to this also (simplifies Evolve code)
}
// massless on rails are not added to MBE
onRails = false;
masslessEngine.AddBody(gobject, physToWorldFactor);
}
/// <summary>
/// Clone constructor
///
/// Creates a deep copy suitable for independent evolution as a trajectory or for maneuver iterations.
/// Maneuvers will be executed but the callback to motify the owner of the maneuver will be skipped (only
/// the real evolution will notify).
/// </summary>
/// <param name="fromState"></param>
public GravityState(GravityState fromState)
{
m = new double[fromState.arraySize];
r = new double[fromState.arraySize, NDIM];
info = new byte[fromState.arraySize];
size2 = new double[fromState.arraySize];
physicalTime = new double[System.Enum.GetNames(typeof(Evolvers)).Length];
arraySize = fromState.arraySize;
numBodies = fromState.numBodies;
fixedBodiesInIntegrator = fromState.fixedBodiesInIntegrator;
onRails = fromState.onRails;
// omitting hasTrajectories
integrator = fromState.integrator.DeepClone();
// don't copy particles, but need to init list
gravityParticles = new List <GravityParticles>();
// DO copy the maneuvers
maneuverMgr = new ManeuverMgr(fromState.maneuverMgr);
fixedBodies = new List <GravityEngine.FixedBody>(fromState.fixedBodies);
for (int i = 0; i < physicalTime.Length; i++)
{
physicalTime[i] = fromState.physicalTime[i];
}
time = fromState.time;
forceDelegate = fromState.forceDelegate;
selectiveForce = fromState.selectiveForce;
keplerDepthChanged = new List <GravityEngine.FixedBody>(fromState.keplerDepthChanged);
if (fromState.masslessEngine != null)
{
masslessEngine = fromState.masslessEngine.DeepClone();
masslessEngine.ResetTrajectories((float)fromState.time);
}
for (int i = 0; i < arraySize; i++)
{
m[i] = fromState.m[i];
info[i] = fromState.info[i];
size2[i] = fromState.size2[i];
r[i, 0] = fromState.r[i, 0];
r[i, 1] = fromState.r[i, 1];
r[i, 2] = fromState.r[i, 2];
}
// copies do not notify maneuver owners of maneuver completion. They are assumed to be "what if"
// evolutions
isCopy = true;
#pragma warning disable 162 // disable unreachable code warning
if (GravityEngine.DEBUG)
{
Debug.Log("Created new (copy) gravityState");
}
#pragma warning restore 162
}
