public ConwayPoly MakePoly(
List <double> tilingParameters,
int ExtraVerts,
Vector2 NewVert1, Vector2 NewVert2,
Vector2 Size
)
{
var verts = new List <Vector3>();
var faces = new List <List <int> >();
var faceRoles = new List <ConwayPoly.Roles>();
List <double> ps = tiling.getParameters();
if (tiling.numParameters() > 1)
{
for (int i = 0; i < ps.Count; i++)
{
ps[i] = tilingParameters[i];
}
}
tiling.setParameters(ps);
// Make some edge shapes. Note that here, we sidestep the
// potential complexity of using .shape() vs. .parts() by checking
// ahead of time what the intrinsic edge shape is and building
// Bezier control points that have all necessary symmetries.
var edges = new List <List <Vector2> >();
var newVert1 = new Vector2(NewVert1.x + 0.1f, NewVert1.y);
var newVert2 = new Vector2(NewVert2.x + 0.6f, NewVert2.y);
for (int i = 0; i < tiling.numEdgeShapes(); ++i)
{
var ej = new List <Vector2>();
EdgeShape shp = tiling.getEdgeShape(i);
if (shp == EdgeShape.I)
{
// I Edges must look the same after both rotation and reflection
}
else if (shp == EdgeShape.J)
{
// J Edges can be a path of any shape
if (ExtraVerts > 0)
{
ej.Add(newVert1);
if (ExtraVerts > 1)
{
ej.Add(newVert2);
}
}
}
else if (shp == EdgeShape.S)
{
// S Edges must look the same after a 180° rotation
if (ExtraVerts > 0)
{
ej.Add(newVert1);
ej.Add(new Vector2(1.0f - ej[0].x, -ej[0].y));
}
}
else if (shp == EdgeShape.U)
{
// U Edges must look the same after reflecting across their length
if (ExtraVerts > 0)
{
ej.Add(newVert1);
ej.Add(new Vector2(1.0f - ej[0].x, ej[0].y));
}
}
edges.Add(ej);
}
// Yuk
List <IEnumerable <IEnumerable <IsohedralTiling.Thing> > > tiles = tiling.fillRegionBounds(-Size.x / 2f, -Size.y / 2f, Size.x / 2f, Size.y / 2f).ToList();
NumParams = tiling.numParameters();
TilingName = tiling.tilingName();
ConwayPoly.Roles[] availableRoles =
{
ConwayPoly.Roles.Existing,
ConwayPoly.Roles.ExistingAlt,
ConwayPoly.Roles.New,
ConwayPoly.Roles.NewAlt,
ConwayPoly.Roles.Ignored,
};
foreach (IEnumerable <IEnumerable <IsohedralTiling.Thing> > iii in tiles)
{
foreach (IEnumerable <IsohedralTiling.Thing> ii in iii)
{
foreach (IsohedralTiling.Thing i in ii)
{
//var T = IsohedralTiling.mul(ST, i.T);
var T = i.T;
var colour = tiling.getColour(Mathf.FloorToInt(i.t1), Mathf.FloorToInt(i.t2), i.aspect);
var role = availableRoles[colour];
bool start = true;
var face = new List <int>();
foreach (var si in tiling.shape())
{
float[] S = IsohedralTiling.Multiply(T, si.T);
List <Vector2> seg = new[] { IsohedralTiling.Multiply(S, new Vector2(0, 0)) }.ToList();
if (si.shape != EdgeShape.I && ExtraVerts != 0)
{
var ej = edges[si.id];
seg.Add(IsohedralTiling.Multiply(S, ej[0]));
if (ej.Count > 1)
{
seg.Add(IsohedralTiling.Multiply(S, ej[1]));
}
}
seg.Add(IsohedralTiling.Multiply(S, new Vector2(1.0f, 0.0f)));
if (si.rev)
{
seg.Reverse();
}
if (start)
{
start = false;
verts.Add(new Vector3(seg[0].x, 0, seg[0].y));
face.Add(verts.Count - 1);
}
if (seg.Count == 2)
{
verts.Add(new Vector3(seg[1].x, 0, seg[1].y));
face.Add(verts.Count - 1);
}
else
{
verts.Add(new Vector3(seg[1].x, 0, seg[1].y));
face.Add(verts.Count - 1);
if (seg.Count > 2)
{
verts.Add(new Vector3(seg[2].x, 0, seg[2].y));
face.Add(verts.Count - 1);
}
if (seg.Count > 3)
{
verts.Add(new Vector3(seg[3].x, 0, seg[3].y));
face.Add(verts.Count - 1);
}
}
}
// Hacky way to fix normals
int normalSkip = face.Count / 3;
var normal = Vector3.Cross(verts[face[normalSkip]] - verts[face[0]], verts[face[normalSkip * 2]] - verts[face[0]]);
if (normal.y < 0)
{
face.Reverse();
}
face = face.Take(face.Count - 1).ToList();
faces.Add(face);
faceRoles.Add(role);
}
}
}
var vertexRoles = Enumerable.Repeat(ConwayPoly.Roles.Existing, verts.Count).ToList();
return(new ConwayPoly(verts, faces, faceRoles, vertexRoles));
}
public TactilePoly(int tilingType)
{
TilingType = tilingType;
tiling = new IsohedralTiling(TilingType);
TilingName = tiling.tilingName();
}