// Update is called once per frame
void Update()
{
if (Input.GetKeyDown(KeyCode.Space))
{
// toggle the engine
if (rocketEngine.engineOn)
{
rocketEngine.SetEngine(false);
ge.BodyOnRails(shipNbody, centerNbody);
}
else
{
rocketEngine.SetEngine(true);
Vector3d vel = ge.GetVelocityDoubleV3(shipNbody);
rocketEngine.SetThrustAxis(vel.ToVector3().normalized);
ge.BodyOffRails(shipNbody, ge.GetPositionDoubleV3(shipNbody), vel);
}
}
}
public void Evolve(double physicsTime, ref double[] r)
{
if ((activeElement < keplerElements.Count - 1) &&
(physicsTime > keplerElements[activeElement + 1].timeStart))
{
// Advance to next element
activeElement++;
GravityEngine ge = GravityEngine.Instance();
KeplerElement activeKE = keplerElements[activeElement];
if (activeKE.returnToGE)
{
#pragma warning disable 162 // disable unreachable code warning
if (GravityEngine.DEBUG)
{
Debug.Log("return to GE:" + gameObject.name);
}
#pragma warning restore 162
KeplerElement priorKE = keplerElements[activeElement - 1];
priorKE.orbit.Evolve(physicsTime, ref r);
Vector3d pos = priorKE.orbit.GetPositionDouble();
Vector3d vel = priorKE.orbit.GetVelocityDouble();
ge.BodyOffRails(nbody, pos, vel);
return;
}
else
{
// if the center object of the orbit changes, need to recompute the KeplerDepth and update
if (keplerElements[activeElement - 1].orbit.centerNbody != activeKE.orbit.centerNbody)
{
NewCenter(activeKE.orbit);
}
// move on to the next orbit in the sequence
activeKE.orbit.PreEvolve(ge.physToWorldFactor, ge.massScale);
if (activeKE.callback != null)
{
activeKE.callback(activeKE.orbit);
}
if ((activeKE.maneuver != null) && (activeKE.maneuver.onExecuted != null))
{
activeKE.maneuver.onExecuted(activeKE.maneuver);
}
}
#pragma warning disable 162 // disable unreachable code warning
if (GravityEngine.DEBUG)
{
Debug.LogFormat("Changed to segment {0} tnow={1} tseg={2} ", activeElement, physicsTime,
keplerElements[activeElement].timeStart);
}
#pragma warning restore 162
}
else if (physicsTime < keplerElements[activeElement].timeStart)
{
// Use an earlier element (happens if time set to earlier)
int lastElement = activeElement;
while (physicsTime < keplerElements[activeElement].timeStart && (activeElement >= 0))
{
activeElement--;
// if the center object of the orbit changes, need to recompute the KeplerDepth and update
if (keplerElements[lastElement].orbit.centerNbody != keplerElements[activeElement].orbit.centerNbody)
{
NewCenter(keplerElements[activeElement].orbit);
}
}
}
if (!keplerElements[activeElement].returnToGE)
{
// time for evolve is absolute - up to OrbitUniversal to make it relative to their time0
keplerElements[activeElement].orbit.Evolve(physicsTime, ref r);
}
}