diff options
| -rw-r--r-- | source/blender/editors/armature/armature_edit.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/source/blender/editors/armature/armature_edit.c b/source/blender/editors/armature/armature_edit.c index 1e4d9bac246..d426ee94327 100644 --- a/source/blender/editors/armature/armature_edit.c +++ b/source/blender/editors/armature/armature_edit.c @@ -296,7 +296,9 @@ static int armature_calc_roll_exec(bContext *C, wmOperator *op) float cursor_rel[3]; sub_v3_v3v3(cursor_rel, cursor_local, ebone->head); if (axis_flip) negate_v3(cursor_rel); - ebone->roll = ED_rollBoneToVector(ebone, cursor_rel, axis_only); + if (normalize_v3(cursor_rel) != 0.0f) { + ebone->roll = ED_rollBoneToVector(ebone, cursor_rel, axis_only); + } } } } |