public static void Main()
{
var conn = new Connection("Landing Site");
var vessel = conn.SpaceCenter().ActiveVessel;
var body = vessel.Orbit.Body;
// Define the landing site as the top of the VAB
double landingLatitude = -(0.0 + (5.0 / 60.0) + (48.38 / 60.0 / 60.0));
double landingLongitude = -(74.0 + (37.0 / 60.0) + (12.2 / 60.0 / 60.0));
double landingAltitude = 111;
// Determine landing site reference frame
// (orientation: x=zenith, y=north, z=east)
var landingPosition = body.SurfacePosition(
landingLatitude, landingLongitude, body.ReferenceFrame);
var qLong = Tuple.Create(
0.0,
Math.Sin(-landingLongitude * 0.5 * Math.PI / 180.0),
0.0,
Math.Cos(-landingLongitude * 0.5 * Math.PI / 180.0)
);
var qLat = Tuple.Create(
0.0,
0.0,
Math.Sin(landingLatitude * 0.5 * Math.PI / 180.0),
Math.Cos(landingLatitude * 0.5 * Math.PI / 180.0)
);
var landingReferenceFrame =
ReferenceFrame.CreateRelative(
conn,
ReferenceFrame.CreateRelative(
conn,
ReferenceFrame.CreateRelative(
conn,
body.ReferenceFrame,
landingPosition,
qLong),
Tuple.Create(0.0, 0.0, 0.0),
qLat),
Tuple.Create(landingAltitude, 0.0, 0.0));
// Draw axes
var zero = Tuple.Create(0.0, 0.0, 0.0);
conn.Drawing().AddLine(
zero, Tuple.Create(1.0, 0.0, 0.0), landingReferenceFrame);
conn.Drawing().AddLine(
zero, Tuple.Create(0.0, 1.0, 0.0), landingReferenceFrame);
conn.Drawing().AddLine(
zero, Tuple.Create(0.0, 0.0, 1.0), landingReferenceFrame);
while (true)
{
System.Threading.Thread.Sleep(1000);
}
}
public static ReferenceFrame CreateLaunchPadRef(Connection conn)
{
var vessel = conn.SpaceCenter().ActiveVessel;
var body = vessel.Orbit.Body;
// Launchpad coordinates
double landingLatitude = -0.0972069432271304;
double landingLongitude = -74.557630926517;
double landingAltitude = 8;
// Determine landing site reference frame
// (orientation: x=zenith, y=north, z=east)
var landingPosition = body.SurfacePosition(
landingLatitude, landingLongitude, body.ReferenceFrame);
var qLong = Tuple.Create(
0.0,
Math.Sin(-landingLongitude * 0.5 * Math.PI / 180.0),
0.0,
Math.Cos(-landingLongitude * 0.5 * Math.PI / 180.0)
);
var qLat = Tuple.Create(
0.0,
0.0,
Math.Sin(landingLatitude * 0.5 * Math.PI / 180.0),
Math.Cos(landingLatitude * 0.5 * Math.PI / 180.0)
);
var landingReferenceFrame =
ReferenceFrame.CreateRelative(
conn,
ReferenceFrame.CreateRelative(
conn,
ReferenceFrame.CreateRelative(
conn,
body.ReferenceFrame,
landingPosition,
qLong),
Tuple.Create(0.0, 0.0, 0.0),
qLat),
Tuple.Create(landingAltitude, 0.0, 0.0));
// Draw axes
//var zero = Tuple.Create(0.0, 0.0, 0.0);
//conn.Drawing().AddLine(
// zero, Tuple.Create(1.0, 0.0, 0.0), landingReferenceFrame);
//conn.Drawing().AddLine(
// zero, Tuple.Create(0.0, 1.0, 0.0), landingReferenceFrame);
//conn.Drawing().AddLine(
// zero, Tuple.Create(0.0, 0.0, 1.0), landingReferenceFrame);
return(landingReferenceFrame);
}
Vector3 TargetPosition(ReferenceFrame referenceFrame)//如果把另一个vessel设为目标（比如回收用的船），则返回这个vessel的位置， 否则返回由给定经纬度和高度确定的位置
{
if (targetVirtual == null)
{
if (target == null)
{
targetFixedPos = body.PositionAtAltitude(Lat, Lon, Height + body.SurfaceHeight(Lat, Lon), bodyRef).ToVec();
targetVirtual = ReferenceFrame.CreateHybrid(connection, ReferenceFrame.CreateRelative(connection, bodyRef, targetFixedPos.ToTuple()), surfaceRef);
}
else
{
targetVirtual = target.SurfaceReferenceFrame;
}
}
//return connection.SpaceCenter().TransformPosition(targetFixedPos.ToTuple(), bodyRef, referenceFrame).ToVec();
return(-data.GetPosition(targetVirtual));
}
public static void Start(Connection conn)
{
var vessel = conn.SpaceCenter().ActiveVessel;
var gravidade = vessel.Orbit.Body.SurfaceGravity;
var massaTotal = conn.AddStream(() => vessel.Mass);
var voo = vessel.Flight(vessel.Orbit.Body.ReferenceFrame);
var velocidadeVertical = conn.AddStream(() => voo.VerticalSpeed);
var retrogrado = conn.AddStream(() => voo.Retrograde);
Lancar(vessel);
vessel.AutoPilot.Engage();
while (true)
{
var reference = ReferenceFrame.CreateRelative(conn, vessel.AutoPilot.ReferenceFrame, retrogrado.Get());
vessel.AutoPilot.ReferenceFrame = reference;
}
conn.Dispose();
Console.WriteLine("Fim");
}
void CreateHybrid()
{
var relative = ReferenceFrame.CreateRelative(connection, reference_, targetPosition.ToTuple());
hybrid = ReferenceFrame.CreateHybrid(connection, relative, surfaceRef);
}
