private static H3.Cell[] GenTruss( Sphere[] simplex, Mesh mesh, Vector3D cen, bool ball )
{
// We don't want to include the first mirror (which reflects across cells).
Sphere[] mirrors = simplex.Skip( 1 ).ToArray();
Sphere[] allMirrors = simplex.ToArray();
// Simplices will be the "cells" in Recurse.CalcCells.
H3.Cell.Facet[] simplexFacets = simplex.Select( m => new H3.Cell.Facet( m ) ).ToArray();
H3.Cell startingCell = new H3.Cell( simplexFacets );
startingCell.Center = cen;
//FCOrient( startingCell );
//return null;
startingCell = startingCell.Clone(); // So our mirrors don't get munged after we reflect around later.
H3.Cell[] simplices = Recurse.CalcCells( mirrors, new H3.Cell[] { startingCell }, new Recurse.Settings() { Ball = ball } );
//H3.Cell[] simplices = new H3.Cell[] { startingCell };
// Subsets
//return simplices.Where( s => s.Depths[0] == 1 ).ToArray();
//return simplices.ToArray();
List<H3.Cell> final = new List<H3.Cell>();
final.AddRange( simplices );
// Add in other truss cells.
Recurse.Settings settings = new Recurse.Settings();
foreach( int[] reflections in TrussReflections() )
foreach( H3.Cell c in simplices )
{
H3.Cell clone = c.Clone();
foreach( int r in reflections )
clone.Reflect( allMirrors[r] );
if( Recurse.CellOk( clone, settings ) )
final.Add( clone );
}
return final.ToArray();
}
/// <summary>
/// This is like the GenCell method, but super hacked up for the Catacombs image with Henry.
/// </summary>
internal static void GenCellCatacombs( Sphere[] simplex, bool ball )
{
// We don't want to include the first mirror (which reflects across cells).
Sphere[] mirrors = simplex.Skip( 1 ).ToArray();
Sphere[] allMirrors = simplex.ToArray();
// Simplices will be the "cells" in Recurse.CalcCells.
H3.Cell.Facet[] simplexFacets = simplex.Select( m => new H3.Cell.Facet( m ) ).ToArray();
// Offset cell boundary ever so slightly, to avoid artifacts of adjacent cells.
Sphere toReflectLater = simplexFacets[0].Sphere.Clone();
//simplexFacets[0].Sphere = CoxeterImages.GeodesicOffset( simplexFacets[0].Sphere, ball ? -1e-6 : 1e-7, ball );
H3.Cell startingCell = new H3.Cell( simplexFacets );
startingCell = startingCell.Clone(); // So our mirrors don't get munged after we reflect around later.
Vector3D cen = new Vector3D( 0.05, 0.01, -0.05 ); // 373, 438
//Vector3D cen = new Vector3D( 0.05, 0.01, 100 ); // 637
//cen.RotateXY( Math.PI / 2 ); // only if we also rotate simplex mirrors. XXX - make a setting.
startingCell.Center = cen;
H3.Cell[] simplices = Recurse.CalcCells( mirrors, new H3.Cell[] { startingCell }, new Recurse.Settings() { Ball = ball } );
List<H3.Cell> simplicesFinal = new List<H3.Cell>();
List<int[]> reflectionSets = new List<int[]>();
// 1 reflects in x-axis
// 3, 1 rotates right
// 1, 3 rotates left
reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 0, 1, 3 } );
reflectionSets.Add( new int[] { 0, 3, 1, 2, 3, 1, 0, 3, 1, 2, 0, 3 } );
// 2
reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 3, 1, 0, 3, 1, 3, 1, 3, 1, 2, 3, 1, 3, 2, 3, 1 } );
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 3, 1, 0, 3, 1, 3, 1, 0, 3, 1, 3, 1, 3, 1, 2, 3, 1, 3, 2, 3, 1 } );
// 3
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 3, 1, 0, 3, 1, 3, 1, 0, 3, 1, 2 } );
reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 3, 0, 3, 1, 3, 1, 0, 2 } );
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 3, 1, 0, 3, 1, 2 } );
// 5
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 3, 1, 0, 1, 2, 3, 1 } );
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 0, 2, 3, 1 } );
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 0, 3, 1, 3, 1, 3, 1, 2, 3, 1, 3, 1, 0, 1, 3 } ); // baby
//reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 0, 3, 1, 3, 1, 3, 1, 2 } ); // maybe
//reflectionSets.Add( new int[] { 0, 3, 1, 2, 3, 1, 0, 2, 1, 3 } );
//reflectionSets.Add( new int[] { 0, 3, 1, 2, 3, 1, 0, 3, 1, 2 } ); // not great orientation
// reflectionSets.Add( new int[] { 0, 3, 1, 3, 1, 2 } ); // big
bool ceiling = true;
if( ceiling )
simplicesFinal = simplices.ToList();
else
{
foreach( int[] set in reflectionSets )
{
List<H3.Cell> copy = simplices.Select( s => s.Clone() ).ToList();
foreach( int r in set )
{
foreach( H3.Cell cell in copy )
cell.Reflect( allMirrors[r] );
}
simplicesFinal.AddRange( copy );
}
}
/*
// A second cell.
//toReflectLater = simplices[45].Facets[0].Sphere.Clone();
//toReflectLater = simplices.First( s => s.Depth == 2 ).Facets[0].Sphere.Clone();
foreach( H3.Cell cell in simplices )
cell.Reflect( toReflectLater );
// A third cell.
toReflectLater = simplices[40].Facets[0].Sphere.Clone();
//toReflectLater = simplices.First( s => s.Depth == 4 ).Facets[0].Sphere.Clone();
foreach( H3.Cell cell in simplices )
cell.Reflect( toReflectLater );
foreach( H3.Cell cell in simplices )
cell.Depths = new int[4];
List<H3.Cell> simplicesFinal = Recurse.CalcCells2( mirrors, simplices ).ToList();
simplicesFinal = simplicesFinal.Where( s => s.Depths[0] % 3 == 1 && s.Depths[1] % 2 == 0 && s.Depths[2] % 2 == 1 ).ToList();
*/
/*
List<H3.Cell> simplicesFinal = new List<H3.Cell>();
//for( int d = 0; d < 1; d+=2 )
int d = 0;
{
//Sphere toReflect = simplices.First( s => s.Depth == d ).Facets[0].Sphere.Clone();
//Sphere toReflect = simplices.Where( s => s.Depth == d ).Skip(1).Take(1).First().Facets[0].Sphere.Clone();
List<H3.Cell> reflectionCells = simplices.Where( s => s.Depths[1] == d && s.Depths[0] % 2 == 0 ).Skip(0).Take(1).ToList();
foreach( Sphere toReflect in reflectionCells.Select( c => c.Facets[0].Sphere.Clone() ) )
{
List<H3.Cell> thisCell = new List<H3.Cell>();
foreach( H3.Cell cell in simplices )
{
H3.Cell clone = cell.Clone();
clone.Reflect( toReflect );
thisCell.Add( clone );
}
//Sphere toReflect2 = thisCell.First( s => s.Depth1 == d + 3 && s.Depth0 % 2 == 0 ).Facets[0].Sphere.Clone();
//List<H3.Cell> reflectionCellsTemp = simplices.Where( s => Math.Abs( s.Depths[1] - d ) == 2 && s.Depths[0] % 2 == 0 ).ToList();
List<H3.Cell> reflectionCellsTemp = simplices.Where( s => s.Depths[1] == 2 && s.Depths[1] == s.Depths[0] + s.Depths[2] ).ToList();
List<H3.Cell> reflectionCells2 = reflectionCellsTemp;//.Where( ( x, i ) => i % 3 == 0 ).ToList(); // .Skip( 5 ).Take( 5 ).ToList();
foreach( Sphere toReflect2 in reflectionCells2.Select( c => c.Facets[0].Sphere.Clone() ) )
//Sphere toReflect2 = toReflectLater;
{
foreach( H3.Cell cell in thisCell )
{
H3.Cell clone = cell.Clone();
clone.Reflect( toReflect2 );
simplicesFinal.Add( clone );
}
}
}
}*/
int count = 0;
foreach( H3.Cell cell in simplicesFinal )
{
count++;
//if( count % 2 == 0 )
// continue;
/*if( count < 1 )
continue;
if( count > 30 )
return;
*/
//int[] include = new int[] { 0, 1, 2, 3 };
int[] include = new int[] { 0 };
PovRay.AppendSimplex( cell.Facets.Select( f => f.Sphere ).ToArray(), cell.Center, include, "cell.pov" );
}
}
/// <summary>
/// Used to generate a regular cell as a set of simplices and save to a Pov-ray file.
/// This will work for non-finite cells.
/// </summary>
private static H3.Cell[] GenCell( Sphere[] simplex, Mesh mesh, Vector3D cen, bool ball, bool dual )
{
// We don't want to include the first mirror (which reflects across cells).
Sphere[] mirrors = simplex.Skip( 1 ).ToArray();
if( dual )
mirrors = new Sphere[] { simplex[0], simplex[1], simplex[2] };
Sphere[] allMirrors = simplex.ToArray();
mirrors = simplex.ToArray();
// Simplices will be the "cells" in Recurse.CalcCells.
H3.Cell.Facet[] simplexFacets = simplex.Select( m => new H3.Cell.Facet( m ) ).ToArray();
H3.Cell startingCell = new H3.Cell( simplexFacets );
startingCell.Center = cen;
startingCell.Mesh = mesh;
//FCOrient( startingCell );
startingCell = startingCell.Clone(); // So our mirrors don't get munged after we reflect around later.
H3.Cell[] simplices = Recurse.CalcCells( mirrors, new H3.Cell[] { startingCell }, new Recurse.Settings() { Ball = ball } );
//H3.Cell[] simplices = new H3.Cell[] { startingCell };
// Layers.
int layer = 0;
return simplices.Where( s => s.Depths[0] <= layer /*&& s.Depths[0] == 3 && s.Depths[1] == 3*/ ).ToArray();
//return simplices.ToArray();
}