public static void launch(this Vessel vessel)
{
vessel.AutoPilot.ReferenceFrame = vessel.SurfaceReferenceFrame;
vessel.AutoPilot.TargetDirection = new Tuple <double, double, double>(1, 0, 0);
vessel.AutoPilot.Engage();
vessel.Accelerate(1.3F);
vessel.Control.ActivateNextStage();
while (vessel.Orbit.ApoapsisAltitude < 80000)
{
double turnoverPercentage = Math.Min(vessel.Flight().SurfaceAltitude / 40000.0, 1.0F);
vessel.AutoPilot.TargetDirection =
new Tuple <double, double, double>(1.0 - turnoverPercentage, 0, turnoverPercentage);
if (vessel.Parts.Engines.Any(e => !(e.Part.RCS == null) && !e.HasFuel))
{
vessel.Control.ActivateNextStage();
}
}
vessel.Control.Throttle = 0;
while (true)
{
vessel.AutoPilot.TargetDirection = new Tuple <double, double, double>(0, 0, 1);
var oribitalVelocity = Math.Sqrt(vessel.Orbit.Body.GravitationalParameter / vessel.Orbit.Apoapsis);
var neededSpeed = oribitalVelocity - vessel.Flight(vessel.OrbitalReferenceFrame).HorizontalSpeed;
var accelerationTime = (neededSpeed / 2) / (vessel.AvailableThrust / vessel.Mass);
var timeToBurn = vessel.Orbit.TimeToApoapsis - accelerationTime;
Console.WriteLine("Time to burn: {0}", timeToBurn);
if (timeToBurn <= 0)
{
while (vessel.Orbit.PeriapsisAltitude < 70000)
{
vessel.Control.Throttle = 1.0F;
System.Threading.Thread.Sleep(10);
}
break;
}
}
vessel.Accelerate(0);
}
public void Deactivate()
{
_activated = false;
_vessel.Accelerate(0);
}
public static void Land(this Vessel vessel)
{
var srfFlight = vessel.Flight(vessel.Orbit.Body.ReferenceFrame);
while (srfFlight.VerticalSpeed > -2)
{
System.Threading.Thread.Sleep(100);
}
vessel.Control.SAS = true;
vessel.Control.Gear = true;
vessel.Control.Brakes = vessel.Orbit.Body.HasAtmosphere;
while (!(vessel.Control.SASMode == SASMode.Retrograde && vessel.Control.RCS))
{
vessel.Control.SASMode = SASMode.Retrograde;
vessel.Control.RCS = true;
}
bool shouldThrust = false;
double comOffset = Math.Abs(vessel.BoundingBox(vessel.ReferenceFrame).Item1.Item2);
double distanceToGround = vessel.Flight().SurfaceAltitude - comOffset;
double srfGrav = vessel.Orbit.Body.SurfaceGravity;
while (distanceToGround > 0.5)
{
double initialSpeedSquared = Math.Pow(srfFlight.Speed, 2);
float acc = (float)(((3 + initialSpeedSquared) / (2 * distanceToGround)) + srfGrav);
float thrustRequired = vessel.Mass * acc;
float throttle = thrustRequired / (vessel.AvailableThrust);
if (throttle > 0.98)
{
shouldThrust = true;
}
if (throttle < 0.1)
{
shouldThrust = false;
}
if (shouldThrust)
{
vessel.Accelerate(acc);
}
vessel.Control.SASMode =
srfFlight.Speed < 20 ?
SASMode.StabilityAssist : SASMode.Retrograde;
comOffset = Math.Abs(vessel.BoundingBox(vessel.ReferenceFrame).Item1.Item2);
distanceToGround = vessel.Flight().SurfaceAltitude - comOffset;
}
while (!(vessel.Situation == VesselSituation.Landed ||
vessel.Situation == VesselSituation.Splashed))
{
vessel.Accelerate(1);
}
vessel.Accelerate(0);
}