/// <summary>
/// Calculates the virtual-world location based on an offset from the users location.
/// </summary>
/// <param name="settings">
/// The settings used to perform the calculation.
/// </param>
/// <param name="item">
/// The item to calculate and update.
/// </param>
static public void WorldFromRelativeLocation(ItemCalculationSettings settings, ARItem item)
{
// For now just update WorldLocation to be
// the same as RelativeLocation. When 3D is
// added we'll need to take into account the
// users current location in 3D space.
item.WorldLocation = item.RelativeLocation;
}
/// <summary>
/// Calculates the virtual-world location based on the distance between the user and the geo location.
/// </summary>
/// <param name="settings">
/// The settings used to perform the calculation.
/// </param>
/// <param name="item">
/// The item to calculate and update.
/// </param>
static public void WorldFromGeoLocation(ItemCalculationSettings settings, ARItem item)
{
// NOTE: Right now we don't support 3D rendering in XNA and right now
// ARDisplay assumes that the user is always standing at location 0,0,0.
// When we add 3D rendering we will need to allow our position in 3D space
// to change, which will cause the calculations below to change as well.
item.WorldLocation = ARHelper.DistanceTo3D(settings.View.Location, item.GeoLocation);
}
