void prepNGS()
{
if (lTargetSite != null)
{
sTargetSiteName = lTargetSite.LaunchSiteName;
fRangeToTarget = LaunchSiteManager.getDistanceToBase(FlightGlobals.ActiveVessel.GetTransform().position, lTargetSite);
if (fRangeToTarget > fOldRange)
{
bClosing = false;
}
if (fRangeToTarget < fOldRange)
{
bClosing = true;
}
var basepos = KerbalKonstructs.instance.GetCurrentBody().transform.InverseTransformPoint(lTargetSite.staticInstance.gameObject.transform.position);
//disBaseLat = dBaseLat * 180 / Math.PI;
//disBaseLon = dBaseLon * 180 / Math.PI;
disBaseLat = KKMath.GetLatitudeInDeg(basepos);
disBaseLon = KKMath.GetLongitudeInDeg(basepos);
var dBaseLat = disBaseLat * KKMath.deg2rad;
var dBaseLon = disBaseLon * KKMath.deg2rad;
fOldRange = fRangeToTarget;
if (bClosing)
{
tTextureMiddle = UIMain.tIconOpen;
}
else
{
tTextureMiddle = UIMain.tIconClosed;
}
Vector3 vcraftpos = FlightGlobals.ActiveVessel.GetTransform().position;
vCrft = vcraftpos;
Vector3 vsitepos = lTargetSite.staticInstance.transform.position;
vSPos = vsitepos;
Vector3 vHeading = FlightGlobals.ActiveVessel.transform.up;
vHead = vHeading;
disLat = FlightGlobals.ActiveVessel.latitude;
var dLat = disLat / 180 * Math.PI;
disLon = FlightGlobals.ActiveVessel.longitude;
var dLon = disLon / 180 * Math.PI;
var y = Math.Sin(dBaseLon - dLon) * Math.Cos(dBaseLat);
var x = (Math.Cos(dLat) * Math.Sin(dBaseLat)) - (Math.Sin(dLat) * Math.Cos(dBaseLat) * Math.Cos(dBaseLon - dLon));
var requiredHeading = Math.Atan2(y, x) * 180 / Math.PI;
dreqheading = (requiredHeading + 360) % 360;
var diff = (360 + 180 + requiredHeading - FlightGlobals.ship_heading) % 360 - 180;
dshipheading = (FlightGlobals.ship_heading + 360) % 360;
if (diff > 5)
{
iCorrection = 2;
}
else if (diff < -5)
{
iCorrection = 1;
}
else
{
iCorrection = 0;
}
if (bClosing)
{
tTextureLeft = UIMain.tLeftOff;
tTextureRight = UIMain.tRightOff;
}
else
{
tTextureLeft = UIMain.tLeftOn;
tTextureRight = UIMain.tRightOn;
}
if (iCorrection == 1)
{
tTextureLeft = UIMain.tLeftOn;
tTextureRight = UIMain.tRightOff;
}
if (iCorrection == 2)
{
tTextureLeft = UIMain.tLeftOff;
tTextureRight = UIMain.tRightOn;
}
}
else
{
tTextureMiddle = UIMain.tIconClosed;
tTextureLeft = UIMain.tLeftOff;
tTextureRight = UIMain.tRightOff;
}
}
