Bface_list
Bface_list::reachable_faces(Bface* f, CSimplexFilter& pass)
{
// Returns the list of faces reachable from f, crossing
// only edges accepted by the filter. It sets needed
// flags (on the entire mesh) then calls grow_connected().
Bface_list ret;
if (!(f && f->mesh()))
return ret;
// Ensure all reachable face flags are set to 1:
// XXX -
// touches every face in the mesh; a better
// implementation would just touch reachable ones
// (or is that impossible to implement?)
f->mesh()->faces().set_flags(1);
ret.grow_connected(f, pass);
return ret;
}
