// Update is called once per frame
void Update()
{
if (Input.GetKeyUp(KeyCode.H))
{
OrbitData shipOrbit = new OrbitData();
shipOrbit.SetOrbitForVelocity(shipNbody, centerNbody);
OrbitData targetOrbit = new OrbitData();
targetOrbit.SetOrbitForVelocity(targetNbody, centerNbody);
// determine the transfer
orbitTransfer = new HohmannXfer(shipOrbit, targetOrbit, rendezvous);
// If this is a ship with a Kepler sequence take the maneuvers and add them as KeplerSequence elements
// This allows the transfer to be time-reversible if the whole scene is on rails.
if (keplerSeq != null)
{
keplerSeq.AddManeuvers(orbitTransfer.GetManeuvers());
}
else
{
// Nbody evolution (or plain onRails w/o KeplerSequence) use maneuvers
foreach (Maneuver m in orbitTransfer.GetManeuvers())
{
GravityEngine.Instance().AddManeuver(m);
}
}
// Maneuver markers
if (markerPrefab != null)
{
foreach (Maneuver m in orbitTransfer.GetManeuvers())
{
// set maneuver position marker
GameObject marker = Instantiate(markerPrefab, centerNbody.gameObject.transform, true);
marker.transform.position = m.physPosition.ToVector3();
markers.Add(marker);
m.onExecuted = RemoveMarker;
}
}
}
if (Input.GetKeyUp(KeyCode.C))
{
// clear maneuvers
GravityEngine.Instance().ClearManeuvers();
// delete on rails maneuvers
if (keplerSeq != null)
{
keplerSeq.RemoveManeuvers(orbitTransfer.GetManeuvers());
}
foreach (GameObject marker in markers)
{
Destroy(marker);
}
markers.Clear();
}
// optionally report time to next maneuver
// for now just do first maneuver
if ((timeToManeuverText != null) && (orbitTransfer != null))
{
double time = orbitTransfer.GetManeuvers()[0].worldTime - GravityEngine.Instance().GetPhysicalTime();
timeToManeuverText.text = string.Format("Time to Next Maneuver = {0:0.00}", time);
}
}
/// <summary>
/// Sets a series of maneuvers required to execute an orbital transfer.
///
/// Maneuvers are passed on to the GravityEngine to be executed on the correct
/// integrator timeslice.
/// </summary>
///
/// <param name="transfer">The transfer</param>
public void SetTransfer(OrbitTransfer transfer)
{
foreach (Maneuver m in transfer.GetManeuvers())
{
m.onExecuted = ManeuverExecutedCallback;
GravityEngine.Instance().AddManeuver(m);
maneuverList.Add(m);
}
}
/// <summary>
/// Update the UI fields based on the transfer
/// </summary>
public void UpdateUI(OrbitTransfer transfer)
{
this.transfer = transfer;
titleText.text = transfer.ToString();
summaryText.text = string.Format("dV={0:0.00} time={1:0.00}", transfer.GetDeltaV(), transfer.GetDeltaT());
// maneuvers
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("Maneuvers:\n");
foreach (Maneuver m in transfer.GetManeuvers())
{
sb.Append(string.Format("time={0:0.0} dV={1:0.0}\n", m.worldTime, m.dV));
}
maneuverText.text = sb.ToString();
}
/// <summary>
/// Factory method to instantiate and initialize a UI widget to present an orbit transfer. The
/// specific transfer widget will present its input attributes and allow then to be changed.
///
/// Select calls back into the controller.
///
/// </summary>
/// <param name="transfer"></param>
/// <param name="controller"></param>
/// <returns></returns>
public GameObject GetUIWidget(OrbitTransfer transfer, OrbitMGController controller)
{
GameObject newWidget = null;
if (transfer.GetType() == typeof(HohmannXfer))
{
newWidget = Instantiate(hohmannUIPrefab) as GameObject;
}
else if (transfer.GetType() == typeof(PatchedConicXfer))
{
newWidget = Instantiate(patchedConicUIPrefab) as GameObject;
}
else if (transfer.GetType() == typeof(BiellipticXfer))
{
newWidget = Instantiate(biellipticUIPrefab) as GameObject;
}
else
{
Debug.LogError("Unsupported transfer type: " + transfer.GetType());
}
if (newWidget != null)
{
OrbitXferUI orbitXferUI = newWidget.GetComponent <OrbitXferUI>();
if (orbitXferUI != null)
{
orbitXferUI.SetController(controller);
orbitXferUI.UpdateUI(transfer);
}
else
{
Debug.LogError("No OrbitXferUI component on " + newWidget.name);
}
}
return(newWidget);
}
//-------------------------------------------------------------------------
// Transfer/Maneuver calculations
//-------------------------------------------------------------------------
public void OrbitTransferSelected(OrbitTransfer transfer)
{
spaceshipCtrl.SetTransfer(transfer);
ClearUIWidgets();
SetState(State.MANEUVER);
}
