virtual public Vector2f To2DCoords(Vector3f pos)
{
Vector3f dv = pos - Origin;
float h = dv.y;
dv.Normalize();
float fAngleX = MathUtil.PlaneAngleSignedD(Vector3f.AxisZ, dv, 1);
float circ = 2 * MathUtil.PIf * Radius;
return(new Vector2f((fAngleX / 360.0f) * circ, h));
}
