private static Cube[] GetCubeFromVector(int n, Vector3D vector)
{
var cubes = new List <Cube>();
var o = new Vector3D(0, 0, 0);
var vs = VectorVariantFinder.FindAllVariantsAtRightAnglesTo(vector);
var bs = vs.Where(v => Math.Abs(v.LengthSquared - vector.LengthSquared) < 1e-9 &&
Math.Abs(Math.Abs(Vector3D.AngleBetween(v, vector)) - 90) < 1e-9);
foreach (var b in bs)
{
var c = Vector3D.CrossProduct(vector, b);
c *= (vector.Length / c.Length);
Cube cube;
if (Cube.TryMakeCubeFrom(o, vector, b, c, out cube) && !cubes.Contains(cube))
{
cubes.Add(cube);
}
}
if (!cubes.Any())
{
throw new InvalidOperationException($"No cubes found for vector {vector}");
}
cubes.RemoveAll(cube => !cube.Dimensions.All(d => d <= n));
return(cubes.Distinct().ToArray());
}
public Cube GetCube(int n)
{
var possibleBasicCubes = GetCubeFromVector(n, Vector).ToArray();
var basicCube = possibleBasicCubes.FirstOrDefault(); //might not be any if too big
if (basicCube != null)
{
var vs = VectorVariantFinder.FindAllCombinationsOf(Vector);
var extraCubes = vs.SelectMany(v => GetCubeFromVector(n, v)).Distinct().Where(c => !c.Equals(basicCube)).ToArray();
if (possibleBasicCubes.Length > 1)
{
var otherExtras = possibleBasicCubes.Skip(1).Where(c => !extraCubes.Contains(c)).ToArray();
if (otherExtras.Any())
{
LogManager.GetCurrentClassLogger().Warn($"Variants of {basicCube}: {string.Join(" \n", otherExtras.Select(c => c.ToString()))}");
}
}
basicCube.Variants = extraCubes;
}
return(basicCube);
}
