public static GeoClass.Coord PointAtDistance(GeoClass.Coord startPoint, double initialBearingRadians, double distanceKilometres)
{
double num1 = distanceKilometres / 6371.01;
double num2 = Math.Sin(num1);
double num3 = Math.Cos(num1);
double rad1 = GeoClass.ToRad(startPoint.lat);
double rad2 = GeoClass.ToRad(startPoint.lon);
double num4 = Math.Cos(rad1);
double num5 = Math.Sin(rad1);
double num6 = Math.Asin(num5 * num3 + num4 * num2 * Math.Cos(initialBearingRadians));
double radians = rad2 + Math.Atan2(Math.Sin(initialBearingRadians) * num2 * num4, num3 - num5 * Math.Sin(num6));
return(new GeoClass.Coord()
{
lat = GeoClass.ToDeg(num6),
lon = GeoClass.ToDeg(radians)
});
}
public static double ToBearing(double radians)
{
return((GeoClass.ToDeg(radians) + 360.0) % 360.0);
}
