/// <summary>
/// Grabs the position of the cell nearest to the given world
/// position. If the position falls outside of the grid, then null
/// is returend instead.
/// </summary>
/// <param name="realPosition">A world position</param>
/// <returns>The position of the requested cell, or null.</returns>
public Vector3?GridizeRealPostion(Vector3 realPosition)
{
CellPosition cell = dwellsOn.GridizeRealPosition(realPosition);
if (cell != null)
{
return(dwellsOn.GetRealPosition(cell));
}
else
{
return(null);
}
}