public bool update()
{
var orbit = Forecast.predictOrbit();
var apo = orbit.Apoapsis;
double velocityNeeded = VesselController.calculateOrbitalVelocityAtAltitude(Altitude);
double currentVelocity = VesselController.getOrbitalVelocity().Length();
double shipAcceleration = VesselController.getEnginesAcceleration();
double timeOfManouver = (velocityNeeded - currentVelocity) / shipAcceleration;
float mixer = (float)(apo / Altitude);
var downDirection = VesselController.getGravity();
downDirection.Normalize();
VesselDirectionController.setTargetDirection(-downDirection);
if (currentStage == Stage.Ascend)
{
Console.WriteLine("[Ascend] Apoapsis {0}", apo);
if (orbit.Apoapsis < Altitude)
{
VesselController.setThrottle(VesselDirectionController.getOnTargetPercentage());
}
else
{
VesselController.setThrottle(0.0f);
return(true);
}
}
VesselDirectionController.update();
return(false);
}
public LandingPrediction predictLandPositionWithBraking()
{
VesselController.updateBodyPosition();
var currentPosition = VesselController.getPosition();
var currentVelocity = VesselController.getVelocity();
float stepsize = 0.01f;
float time = 0.0f;
bool isVelocityDecreasing = true;
double lastVelocityMagnitude = currentVelocity.Length();
while (VesselController.getAltitudeAtPoint(currentPosition) > 0 && isVelocityDecreasing)
{
var vesselThrust = VesselController.getEnginesAcceleration();
var normalizedVelocity = currentVelocity;
normalizedVelocity.Normalize();
currentPosition += currentVelocity * stepsize;
currentVelocity += (float)vesselThrust * -normalizedVelocity * stepsize;
currentVelocity += -normalizedVelocity * stepsize * (float)VesselController.getDrag()
* (float)calculateDynamicPressure(VesselController.getAltitudeAtPoint(currentPosition), currentVelocity.Length());
currentVelocity += VesselController.getGravityAtPoint(currentPosition) * stepsize;
time += stepsize;
isVelocityDecreasing = currentVelocity.Length() < lastVelocityMagnitude;
lastVelocityMagnitude = currentVelocity.Length();
}
while (VesselController.getAltitudeAtPoint(currentPosition) > 0)
{
var normalizedVelocity = currentVelocity;
normalizedVelocity.Normalize();
currentPosition += currentVelocity * stepsize;
currentVelocity += -normalizedVelocity * stepsize * (float)VesselController.getDrag()
* (float)calculateDynamicPressure(VesselController.getAltitudeAtPoint(currentPosition), currentVelocity.Length());
currentVelocity += VesselController.getGravityAtPoint(currentPosition) * stepsize;
time += stepsize;
}
return(new LandingPrediction()
{
Position = currentPosition,
Velocity = currentVelocity,
TimeLeft = time
});
}
public bool update()
{
var orbit = Forecast.predictOrbit();
var apo = orbit.Apoapsis;
double velocityNeeded = VesselController.calculateOrbitalVelocityAtAltitude(Altitude);
double currentVelocity = VesselController.getOrbitalVelocity().Length();
double shipAcceleration = VesselController.getEnginesAcceleration();
double timeOfManouver = (velocityNeeded - currentVelocity) / shipAcceleration;
var velocityNormalized = VesselController.getVelocity();
velocityNormalized.Normalize();
float mixer = (float)(apo / Altitude);
var downDirection = VesselController.getGravity();
downDirection.Normalize();
var tangential = Vector3.Transform(-downDirection, Quaternion.RotationYawPitchRoll(MathUtil.DegreesToRadians(-25.0f), 0.0f, 0.0f));
var direction = -downDirection * (1.0f - mixer) + tangential * (mixer);
direction.Normalize();
VesselDirectionController.setTargetDirection(direction);
if (currentStage == Stage.Ascend)
{
Console.WriteLine("[Ascend] Apoapsis {0}", apo);
if (orbit.Apoapsis < Altitude)
{
VesselController.setThrottle(VesselDirectionController.getOnTargetPercentage());
}
else
{
VesselController.setThrottle(0.0f);
return(true);
}
}
VesselDirectionController.update();
return(false);
}
public bool update()
{
var orbit = Forecast.predictOrbit();
var apo = orbit.Apoapsis;
double velocityNeeded = VesselController.calculateOrbitalVelocityAtAltitude(Altitude);
double currentVelocity = VesselController.getOrbitalVelocity().Length();
double shipAcceleration = VesselController.getEnginesAcceleration();
double timeOfManouver = (velocityNeeded - currentVelocity) / shipAcceleration;
float mixer = (float)(apo / Altitude);
var downDirection = VesselController.getGravity();
downDirection.Normalize();
var tangential = Vector3.Transform(downDirection, Quaternion.RotationYawPitchRoll(MathUtil.DegreesToRadians(90.0f), 0.0f, 0.0f));
var direction = -downDirection * (1.0f - mixer) + tangential * (mixer);
if (mixer > 1.0)
{
float newMixer = 1.0f - (mixer - 1.0f);
direction = downDirection * (1.0f - newMixer) + tangential * (newMixer);
}
VesselDirectionController.setTargetDirection(direction);
if (currentStage == Stage.Ascend)
{
Console.WriteLine("[Ascend] Apoapsis {0}", apo);
if (orbit.Apoapsis < Altitude)
{
VesselController.setThrottle(VesselDirectionController.getOnTargetPercentage());
}
else
{
VesselController.setThrottle(0.0f);
currentStage = Stage.WaitForCircularize;
}
}
if (currentStage == Stage.WaitForCircularize)
{
VesselController.setThrottle(0.0f);
Console.WriteLine("[Waiting] Time left {0}", orbit.TimeToApoapsis - timeOfManouver * 0.5);
if (orbit.TimeToApoapsis < timeOfManouver * 0.5)
{
currentStage = Stage.Circularize;
}
}
if (currentStage == Stage.Circularize)
{
Console.WriteLine("[Circularize] Apoapsis {0} Periapsis {1} Delta V required {2}", apo, orbit.Periapsis, velocityNeeded - currentVelocity);
double min = Math.Min(orbit.Periapsis, orbit.Apoapsis);
if (min < Altitude)
{
VesselController.setThrottle(clamp((Altitude - min) * 0.02, 0.0, 1.0));
}
else
{
VesselController.setThrottle(0.0f);
}
}
VesselDirectionController.update();
return(false);
}
