/// <summary>
/// Calculate a rough distance, in meters, between two LatLngPoints.
/// </summary>
/// <param name="p">The second point to which to measure</param>
/// <returns>The distance between the two points, after conversion to UTM</returns>
public static float Distance(this LatLngPoint A, LatLngPoint B)
{
var a = A.ToUTM();
var b = B.ToUTM();
var dx = b.X - a.X;
var dy = b.Y - a.Y;
return((float)Sqrt((dx * dx) + (dy * dy)));
}
private LatLngPoint GetRelativeLatLng(Vector3 cursorPosition)
{
var curUTM = origin.ToUTM();
var curVec = curUTM.ToVector3();
var nextVec = cursorPosition + curVec;
nextVec.y = 0;
var nextPoint = nextVec.ToUTM(curUTM.Zone, curUTM.Hemisphere).ToLatLng();
return(nextPoint);
}
public void LatLng_2_UTM()
{
var latLng = new LatLngPoint(38.8974146f, -77.0743107f);
var utm = latLng.ToUTM();
var latLng2 = utm.ToLatLng();
var utm2 = latLng2.ToUTM();
Assert.AreEqual(latLng.Altitude, latLng2.Altitude, 0.0001);
Assert.AreEqual(latLng.Longitude, latLng2.Longitude, 0.0001);
Assert.AreEqual(latLng.Latitude, latLng2.Latitude, 0.0001);
Assert.AreEqual(utm.X, utm2.X, 0.5);
Assert.AreEqual(utm.Y, utm2.Y, 0.5);
Assert.AreEqual(utm.Zone, utm2.Zone);
}
/// <summary>
/// Converts this LatLngPoint to a UTM point that is stored as a Unity Vector3 object.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static Vector3 ToVector3(this LatLngPoint value)
{
return(value.ToUTM().ToSystemVector3());
}