diff options
| -rw-r--r-- | source/blender/bmesh/operators/bmo_smooth_laplacian.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/source/blender/bmesh/operators/bmo_smooth_laplacian.c b/source/blender/bmesh/operators/bmo_smooth_laplacian.c index b2b93bfd003..31f66ad952f 100644 --- a/source/blender/bmesh/operators/bmo_smooth_laplacian.c +++ b/source/blender/bmesh/operators/bmo_smooth_laplacian.c @@ -533,7 +533,10 @@ void bmo_smooth_laplacian_vert_exec(BMesh *bm, BMOperator *op) EIG_linear_solver_right_hand_side_add(sys->context, 1, m_vertex_id, v->co[1]); EIG_linear_solver_right_hand_side_add(sys->context, 2, m_vertex_id, v->co[2]); i = m_vertex_id; - if (sys->zerola[i] == 0) { + if ((sys->zerola[i] == 0) && + /* Non zero check is to account for vertices that aren't connected to a selected face. + * Without this wire edges become `nan`, see T89214. */ + (sys->ring_areas[i] != 0.0f)) { w = sys->vweights[i] * sys->ring_areas[i]; sys->vweights[i] = (w == 0.0f) ? 0.0f : -lambda_factor / (4.0f * w); w = sys->vlengths[i]; |