public double haversineFormula(Lokasi A, Lokasi B)
{
double latA = A.getLatitude();
double lonA = A.getLongitude();
double latB = B.getLatitude();
double lonB = B.getLongitude();
double earthRadius = 6371;
var lat = (latB - latA) * Math.PI / 180;
var lng = (lonB - lonA) * Math.PI / 180;
var h1 = Math.Sin(lat / 2) * Math.Sin(lat / 2) +
Math.Cos(latA * Math.PI / 180) * Math.Cos(latB * Math.PI / 180) *
Math.Sin(lng / 2) * Math.Sin(lng / 2);
var h2 = 2 * Math.Asin(Math.Min(1, Math.Sqrt(h1)));
return(earthRadius * h2);
}
public void addLocation(string name, double lati, double longi)
{
Lokasi a = new Lokasi(name, lati, longi);
locationList.Add(a);
}