public void FitWithin()
{
var within = ShapeMaker.U(Vector3.Origin, new Vector3(40.0, 40.0), 10.0);
var fit = Polygon.Rectangle(new Vector3(-10.0, 20.0), new Vector3(50.0, 30.0));
var polygons = Shaper.FitWithin(fit, within);
Assert.Equal(2, polygons.Count);
var vertices = polygons.First().Vertices.ToList();
vertices.AddRange(polygons.Last().Vertices);
Assert.Contains(vertices, p => p.X == 0.0 && p.Y == 20.0);
Assert.Contains(vertices, p => p.X == 0.0 && p.Y == 30.0);
Assert.Contains(vertices, p => p.X == 10.0 && p.Y == 20.0);
Assert.Contains(vertices, p => p.X == 10.0 && p.Y == 30.0);
Assert.Contains(vertices, p => p.X == 30.0 && p.Y == 20.0);
Assert.Contains(vertices, p => p.X == 30.0 && p.Y == 30.0);
Assert.Contains(vertices, p => p.X == 40.0 && p.Y == 20.0);
Assert.Contains(vertices, p => p.X == 40.0 && p.Y == 30.0);
}
