/// <summary>
/// The direction vector that the SAS autopilot is trying to hold in world space
/// </summary>
Vector3d SASTargetDirection()
{
// Stability assist
if (SASMode == SASMode.StabilityAssist)
{
throw new InvalidOperationException("No target direction in stability assist mode");
}
// Maneuver node
if (SASMode == SASMode.Maneuver)
{
var node = InternalVessel.patchedConicSolver.maneuverNodes.OrderBy(x => x.UT).FirstOrDefault();
if (node == null)
{
throw new InvalidOperationException("No maneuver node");
}
return(new Node(InternalVessel, node).WorldBurnVector);
}
// Orbital directions, in different speed modes
if (SASMode == SASMode.Prograde || SASMode == SASMode.Retrograde ||
SASMode == SASMode.Normal || SASMode == SASMode.AntiNormal ||
SASMode == SASMode.Radial || SASMode == SASMode.AntiRadial)
{
if (Control.GetSpeedMode() == SpeedMode.Orbit)
{
switch (SASMode)
{
case SASMode.Prograde:
return(ReferenceFrame.Orbital(InternalVessel).DirectionToWorldSpace(Vector3d.up));
case SASMode.Retrograde:
return(ReferenceFrame.Orbital(InternalVessel).DirectionToWorldSpace(Vector3d.down));
case SASMode.Normal:
return(ReferenceFrame.Orbital(InternalVessel).DirectionToWorldSpace(Vector3d.forward));
case SASMode.AntiNormal:
return(ReferenceFrame.Orbital(InternalVessel).DirectionToWorldSpace(Vector3d.back));
case SASMode.Radial:
return(ReferenceFrame.Orbital(InternalVessel).DirectionToWorldSpace(Vector3d.left));
case SASMode.AntiRadial:
return(ReferenceFrame.Orbital(InternalVessel).DirectionToWorldSpace(Vector3d.right));
}
}
else if (Control.GetSpeedMode() == SpeedMode.Surface)
{
switch (SASMode)
{
case SASMode.Prograde:
return(ReferenceFrame.SurfaceVelocity(InternalVessel).DirectionToWorldSpace(Vector3d.up));
case SASMode.Retrograde:
return(ReferenceFrame.SurfaceVelocity(InternalVessel).DirectionToWorldSpace(Vector3d.down));
case SASMode.Normal:
return(ReferenceFrame.Object(InternalVessel.orbit.referenceBody).DirectionToWorldSpace(Vector3d.up));
case SASMode.AntiNormal:
return(ReferenceFrame.Object(InternalVessel.orbit.referenceBody).DirectionToWorldSpace(Vector3d.down));
case SASMode.Radial:
return(ReferenceFrame.Surface(InternalVessel).DirectionToWorldSpace(Vector3d.right));
case SASMode.AntiRadial:
return(ReferenceFrame.Surface(InternalVessel).DirectionToWorldSpace(Vector3d.left));
}
}
else if (Control.GetSpeedMode() == SpeedMode.Target)
{
switch (SASMode)
{
case SASMode.Prograde:
return(InternalVessel.GetWorldVelocity() - FlightGlobals.fetch.VesselTarget.GetWorldVelocity());
case SASMode.Retrograde:
return(FlightGlobals.fetch.VesselTarget.GetWorldVelocity() - InternalVessel.GetWorldVelocity());
case SASMode.Normal:
return(ReferenceFrame.Object(InternalVessel.orbit.referenceBody).DirectionToWorldSpace(Vector3d.up));
case SASMode.AntiNormal:
return(ReferenceFrame.Object(InternalVessel.orbit.referenceBody).DirectionToWorldSpace(Vector3d.down));
case SASMode.Radial:
return(ReferenceFrame.Surface(InternalVessel).DirectionToWorldSpace(Vector3d.right));
case SASMode.AntiRadial:
return(ReferenceFrame.Surface(InternalVessel).DirectionToWorldSpace(Vector3d.left));
}
}
throw new InvalidOperationException("Unknown speed mode for orbital direction");
}
// Target and anti-target
if (SASMode == SASMode.Target || SASMode == SASMode.AntiTarget)
{
var target = FlightGlobals.fetch.VesselTarget;
if (target == null)
{
throw new InvalidOperationException("No target");
}
var direction = target.GetWorldPosition() - InternalVessel.GetWorldPos3D();
if (SASMode == SASMode.AntiTarget)
{
direction *= -1;
}
return(direction);
}
throw new InvalidOperationException("Unknown SAS mode");
}
public double TemperatureAt (Tuple3 position, ReferenceFrame referenceFrame)
{
if (ReferenceEquals (referenceFrame, null))
throw new ArgumentNullException (nameof (referenceFrame));
return StockAerodynamics.GetTemperature(referenceFrame.PositionToWorldSpace(position.ToVector()), InternalBody);
}
public Tuple3 Direction(ReferenceFrame referenceFrame)
{
return(referenceFrame.DirectionFromWorldSpace(InternalBody.transform.up).ToTuple());
}
public static Tuple3 ReferencePlaneDirection(ReferenceFrame referenceFrame)
{
return(referenceFrame.DirectionFromWorldSpace(Planetarium.right).normalized.ToTuple());
}
public static Tuple3 TransformVelocity(Tuple3 position, Tuple3 velocity, ReferenceFrame from, ReferenceFrame to)
{
CheckReferenceFrames(from, to);
var worldPosition = from.PositionToWorldSpace(position.ToVector());
var worldVelocity = from.VelocityToWorldSpace(position.ToVector(), velocity.ToVector());
return(to.VelocityFromWorldSpace(worldPosition, worldVelocity).ToTuple());
}
public Tuple3 Position(ReferenceFrame referenceFrame)
{
return(referenceFrame.PositionFromWorldSpace(InternalBody.position).ToTuple());
}
public static void DrawDirection(Tuple3 direction, ReferenceFrame referenceFrame, Tuple3 color, float length = 10f)
{
DrawAddon.AddDirection(direction.ToVector(), referenceFrame, color, length);
}
public Tuple4 Rotation(ReferenceFrame referenceFrame)
{
return(referenceFrame.RotationFromWorldSpace(InternalVessel.ReferenceTransform.rotation).ToTuple());
}
public Tuple3 AngularVelocity (ReferenceFrame referenceFrame)
{
if (ReferenceEquals (referenceFrame, null))
throw new ArgumentNullException (nameof (referenceFrame));
return referenceFrame.AngularVelocityFromWorldSpace (InternalBody.angularVelocity).ToTuple ();
}
public static Tuple3 TransformDirection(Tuple3 direction, ReferenceFrame from, ReferenceFrame to)
{
return(to.DirectionFromWorldSpace(from.DirectionToWorldSpace(direction.ToVector())).ToTuple());
}
public Tuple3 Direction (ReferenceFrame referenceFrame)
{
if (ReferenceEquals (referenceFrame, null))
throw new ArgumentNullException (nameof (referenceFrame));
return referenceFrame.DirectionFromWorldSpace (InternalBody.transform.up).ToTuple ();
}
public Tuple3 Velocity (ReferenceFrame referenceFrame)
{
if (ReferenceEquals (referenceFrame, null))
throw new ArgumentNullException (nameof (referenceFrame));
return referenceFrame.VelocityFromWorldSpace (InternalBody.position, InternalBody.GetWorldVelocity ()).ToTuple ();
}
public Tuple3 Position (ReferenceFrame referenceFrame)
{
if (ReferenceEquals (referenceFrame, null))
throw new ArgumentNullException (nameof (referenceFrame));
return referenceFrame.PositionFromWorldSpace (InternalBody.position).ToTuple ();
}
public Tuple3 Position(ReferenceFrame referenceFrame)
{
return(referenceFrame.PositionFromWorldSpace(InternalVessel.GetWorldPos3D()).ToTuple());
}
public static void DrawLine(Tuple3 start, Tuple3 end, ReferenceFrame referenceFrame, Tuple3 color)
{
DrawAddon.AddLine(start.ToVector(), end.ToVector(), referenceFrame, color);
}
public Tuple3 Velocity(ReferenceFrame referenceFrame)
{
return(referenceFrame.VelocityFromWorldSpace(InternalVessel.CoM, InternalVessel.GetOrbit().GetVel()).ToTuple());
}
public Tuple3 PositionAtAltitude(double latitude, double longitude, double altitude, ReferenceFrame referenceFrame)
{
return(PositionAt(latitude, longitude, altitude, referenceFrame));
}
public static Tuple4 TransformRotation(Tuple4 rotation, ReferenceFrame from, ReferenceFrame to)
{
CheckReferenceFrames(from, to);
return(to.RotationFromWorldSpace(from.RotationToWorldSpace(rotation.ToQuaternion())).ToTuple());
}
public Tuple3 Position(ReferenceFrame referenceFrame)
{
return(referenceFrame.PositionFromWorldSpace(InternalNode.patch.getPositionAtUT(InternalNode.UT)).ToTuple());
}
public Tuple3 MSLPosition(double latitude, double longitude, ReferenceFrame referenceFrame)
{
var position = InternalBody.GetWorldSurfacePosition(latitude, longitude, 0);
return(referenceFrame.PositionFromWorldSpace(position).ToTuple());
}
public Tuple3 Direction(ReferenceFrame referenceFrame)
{
return(referenceFrame.DirectionFromWorldSpace(WorldBurnVector.normalized).ToTuple());
}
public Tuple3 Velocity(ReferenceFrame referenceFrame)
{
return(referenceFrame.VelocityFromWorldSpace(InternalBody.position, InternalBody.GetWorldVelocity()).ToTuple());
}
public Tuple3 MSLPosition(double latitude, double longitude, ReferenceFrame referenceFrame)
{
return(PositionAt(latitude, longitude, 0, referenceFrame));
}
public Tuple3 AngularVelocity(ReferenceFrame referenceFrame)
{
return(referenceFrame.AngularVelocityFromWorldSpace(InternalBody.angularVelocity).ToTuple());
}
public Tuple3 SurfacePosition(double latitude, double longitude, ReferenceFrame referenceFrame)
{
return(PositionAt(latitude, longitude, SurfaceHeight(latitude, longitude), referenceFrame));
}
internal Flight(global::Vessel vessel, ReferenceFrame referenceFrame)
{
vesselId = vessel.id;
this.referenceFrame = referenceFrame;
}
public Tuple3 BedrockPosition(double latitude, double longitude, ReferenceFrame referenceFrame)
{
return(PositionAt(latitude, longitude, BedrockHeight(latitude, longitude), referenceFrame));
}
public static Tuple3 TransformPosition(Tuple3 position, ReferenceFrame from, ReferenceFrame to)
{
CheckReferenceFrames(from, to);
return(to.PositionFromWorldSpace(from.PositionToWorldSpace(position.ToVector())).ToTuple());
}
public double AltitudeAtPosition (Tuple3 position, ReferenceFrame referenceFrame)
{
if (ReferenceEquals(referenceFrame, null))
throw new ArgumentNullException(nameof(referenceFrame));
return InternalBody.GetAltitude(referenceFrame.PositionToWorldSpace(position.ToVector()));
}