public static MeshSelection ExpandSelection(MeshSelection selection)
{
selection = selection.ToFaces(false);
foreach (PBMesh pbMesh in selection.GetSelectedMeshes().ToArray())
{
ProBuilderMesh mesh = pbMesh.ProBuilderMesh;
IList <Face> selectedFaces = new List <Face>();
mesh.GetFaces(selection.GetFaces(pbMesh).ToArray(), selectedFaces);
HashSet <int> groupsHs = new HashSet <int>();
for (int i = 0; i < selectedFaces.Count; ++i)
{
Face face = selectedFaces[i];
if (!groupsHs.Contains(face.smoothingGroup))
{
groupsHs.Add(face.smoothingGroup);
}
}
IList <int> selectedIndices = new List <int>();
IList <Face> faces = mesh.faces;
for (int i = 0; i < faces.Count; ++i)
{
Face face = faces[i];
if (groupsHs.Contains(face.smoothingGroup))
{
selectedIndices.Add(i);
}
}
selection.SelectedFaces[pbMesh.gameObject] = selectedIndices;
}
return(selection);
}