diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_edit.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/source/blender/editors/space_view3d/view3d_edit.c b/source/blender/editors/space_view3d/view3d_edit.c index 620bbf03f32..2b53eb71d99 100644 --- a/source/blender/editors/space_view3d/view3d_edit.c +++ b/source/blender/editors/space_view3d/view3d_edit.c @@ -4064,6 +4064,9 @@ static int vieworbit_exec(bContext *C, wmOperator *op) mul_qt_qtqt(quat_new, rv3d->viewquat, quat_mul); + /* avoid precision loss over time */ + normalize_qt(quat_new); + if (view_opposite != RV3D_VIEW_USER) { rv3d->view = view_opposite; /* avoid float in-precision, just get a new orientation */ @@ -4130,6 +4133,10 @@ static void view_roll_angle(ARegion *ar, float quat[4], const float orig_quat[4] axis_angle_normalized_to_quat(quat_mul, dvec, angle); mul_qt_qtqt(quat, orig_quat, quat_mul); + + /* avoid precision loss over time */ + normalize_qt(quat); + rv3d->view = RV3D_VIEW_USER; } |