/// <summary>
/// Calculates the absolute polygon of a region given a new location,
/// using the region's reference point and relative polygon
/// </summary>
/// <param name="location"></param>
/// <param name="region"></param>
/// <returns></returns>
private Polygon3D GetAbsolutePolygon(Vec2D refPoint, Polygon2D relativePolygon)
{
//Vec2D difference = refPoint.VectorDistanceTo(location);
Polygon3D absolute = new Polygon3D(0, 0);
foreach (Vec2D vertex in relativePolygon.getVertices())
{
absolute.AddVertex(vertex.Add(refPoint));
}
return(absolute);
}