protected override InterpolatedOrbit TransferOrbit(Planet from, Planet to)
{
Vector3 pos0 = from.transform.position;
Vector3 v0 = new Vector3(-pos0.normalized[1], pos0.normalized[0]) * (float)Orbit.HohmannVelocityDeparture(from, to);
InterpolatedOrbit newOrbit = new InterpolatedOrbit(pos0, v0, Time.timeSinceLevelLoad);
return(newOrbit);
}
public bool SetNextFlightState(FlightState next, InterpolatedOrbit newOrbit, double insertionDeltaV)
{
// inconsistent parent body
if (parentBody != next.parentBody && next.flightState != StateEnum.InterplanetaryTransfer && flightState != StateEnum.InterplanetaryTransfer)
{
return(false);
}
if (next.parentBody == null)
{
Debug.Log("Attempt to start flight with null parent body"); return(false);
}
// from surface only to LO
if (flightState == StateEnum.OnSurface && next.flightState != StateEnum.LO)
{
return(false);
}
if (next.flightState == StateEnum.InterplanetaryTransfer)
{
if (next.parentBody == null)
{
Debug.Log("Attempt to start interplanetary flight without specifiying the destination"); return(false);
}
if (newOrbit == null)
{
Debug.Log("Orbit required and not provided"); return(false);
}
parentShip.SetupOrbit(newOrbit);
}
if (flightState == StateEnum.InterplanetaryTransfer && next.flightState != StateEnum.InterplanetaryTransfer)
{
parentShip.DestroyOrbit();
}
parentShip.engine.BurnFuelByDeltaV(insertionDeltaV, 3600 / 2);
flightState = next.flightState;
parentBody = next.parentBody;
return(true);
}
public void SetupOrbit(InterpolatedOrbit orb)
{
orbit = orb;
LineRenderer template = (LineRenderer)Resources.Load("OrbitPrefab", typeof(LineRenderer));
orbitRenderer = Instantiate(template);
orbitRenderer.name = $"{gameObject.name} Orbit";
orbitRenderer.transform.parent = gameObject.transform.parent;
List <Vector3> positions = orbit.GetPts();
orbitRenderer.positionCount = positions.Count;
orbitRenderer.SetPositions(positions.ToArray());
Color c = new Color(0 / 256.0f, 0 / 256.0f, 256 / 256.0f);
orbitRenderer.startColor = c;
orbitRenderer.endColor = c;
}
public void DestroyOrbit()
{
Destroy(orbitRenderer.gameObject);
orbitRenderer = null;
orbit = null;
}
public void Update()
{
if (parent.flightState.parentBody == target.parentBody && parent.flightState.flightState == target.flightState)
{
OnTargetReached();
}
if (target != null)
{
if (parent.flightState.parentBody != target.parentBody)
{
if (parent.flightState.flightState == FlightState.StateEnum.OnSurface && parent.flightState.parentBody != null)
{
// launch to low orbit
double deltaV = StartToLeoDeltaV(parent.flightState.parentBody);
if (parent.flightState.SetNextFlightState(new FlightState(parent.flightState.parentBody, FlightState.StateEnum.LO, parent), null, deltaV))
{
Debug.Log($"{parent.name} launched to LO of {parent.flightState.parentBody.name}");
}
}
if (parent.flightState.flightState != FlightState.StateEnum.OnSurface && parent.flightState.parentBody != null && InLaunchWindow(parent.flightState.parentBody, target.parentBody))
{
InterpolatedOrbit proposedOrbit = TransferOrbit(parent.flightState.parentBody, target.parentBody);
double deltaV = StartInsertionBurnDeltaV(parent.flightState.parentBody, target.parentBody);
if (parent.engine.CanProvideDeltaV(deltaV, 3600 / 2))
{
// launch to interplanetary transfer orbit
if (parent.flightState.SetNextFlightState(new FlightState(target.parentBody, FlightState.StateEnum.InterplanetaryTransfer, parent), proposedOrbit, deltaV))
{
Debug.Log($"{parent.name} launched to interplanetary transfer orbit towards {target.parentBody.name}, fuel {parent.fuelTanks[0].resource.amountKg:F0}, {parent.fuelTanks[1].resource.amountKg:F0}");
}
}
else
{
Debug.Log($"{parent.name} does not have fuel for insertion burn to {target.parentBody.name}");
}
}
}
else
{
if (parent.flightState.flightState == FlightState.StateEnum.InterplanetaryTransfer)
{
// arrival at destination
if ((parent.gameObject.transform.localPosition - target.parentBody.gameObject.transform.localPosition).sqrMagnitude < 0.00025)
{
double deltaV = EndInsertionBurnDeltaV(parent.flightState.parentBody, target.parentBody);
if (parent.engine.CanProvideDeltaV(deltaV, 3600 / 2))
{
if (parent.flightState.SetNextFlightState(new FlightState(target.parentBody, target.flightState, parent), null, deltaV))
{
Debug.Log($"{parent.name} arrived from interplanetary orbit to {target.flightState} of {target.parentBody.name}, fuel {parent.fuelTanks[0].resource.amountKg:F0}, {parent.fuelTanks[1].resource.amountKg:F0}");
parent.Refuel();
}
else
{
Debug.Log($"Setting flight state failed: {parent.name}, {target.flightState} of {target.parentBody.name}");
}
}
else
{
Debug.Log($"Ship {parent.name} run out of fuel!");
}
}
}
}
}
else
{
Debug.Log("Autopilot target null");
}
}
