public Mesh Unfold(Mesh mesh)
{
List <face> Faces = new List <face>();
List <edge> Edges = new List <edge>();
mesh.Faces.ConvertQuadsToTriangles();
mesh.UnifyNormals();
mesh.Compact();
Rhino.Geometry.Collections.MeshTopologyEdgeList el = mesh.TopologyEdges;
Rhino.Geometry.Collections.MeshTopologyVertexList vs = mesh.TopologyVertices;
mesh.FaceNormals.ComputeFaceNormals();
//Print(mesh.FaceNormals.Count.ToString());
// Print(mesh.Vertices.Count.ToString());
for (int i = 0; i < mesh.Faces.Count; i++)
{
face f1 = new face(
new Point3d(mesh.Vertices[mesh.Faces[i].A]),
new Point3d(mesh.Vertices[mesh.Faces[i].B]),
new Point3d(mesh.Vertices[mesh.Faces[i].C]),
mesh.FaceNormals[i]
);
Faces.Add(f1);
}
for (int i = 0; i < el.Count; i++)
{
int[] faceid = el.GetConnectedFaces(i);
edge e1 = new edge(vs[el.GetTopologyVertices(i).I], vs[el.GetTopologyVertices(i).J]);
if (faceid.Length == 1)
{
e1.Faces = new face[1];
e1.Faces[0] = Faces[faceid[0]];
}
else if (faceid.Length > 1)
{
e1.Faces = new face[2];
e1.Faces[0] = Faces[faceid[0]];
e1.Faces[1] = Faces[faceid[1]];
}
e1.ID = i;
Edges.Add(e1);
}
for (int i = 0; i < mesh.Faces.Count; i++)
{
int[] edgeid = el.GetEdgesForFace(i);
face f1 = Faces[i];
f1.edges[0] = Edges[edgeid[0]];
f1.edges[1] = Edges[edgeid[1]];
f1.edges[2] = Edges[edgeid[2]];
f1.ID = i;
}
/* List< Mesh> output2 = new List< Mesh>();
* for (int i = 0; i < Faces.Count; i++)
* {
* output2.Add(Faces[i].DrawFace());
* }
* B = output2;
*/
face f = Faces[0];
f.AddTransform(Transform.PlaneToPlane(new Plane(f.Center(), -f.Normal), Plane.WorldXY));
FaceLoop(f);
//Print(f.Pts[0].X.ToString() + "/" + f.Pts[0].Y.ToString() + "/" + f.Pts[0].Z.ToString());
Mesh output = new Mesh();
for (int i = 0; i < Faces.Count; i++)
{
output.Append(Faces[i].DrawFace());
}
return(output);
}