diff options
| author | Campbell Barton <campbell@blender.org> | 2022-08-25 05:38:04 +0300 |
|---|---|---|
| committer | Campbell Barton <campbell@blender.org> | 2022-08-25 05:38:04 +0300 |
| commit | 9f1c05d5cbaaebcd6254d99cd59a78d3a2f99a04 (patch) | |
| tree | 70d541b32ae540b8124a97956ca3552eaf192a95 /source/blender/editors/space_view3d/view3d_view.c | |
| parent | a604ed0068a0e23c133f3aad5cf0d697336192c1 (diff) | |
Fix matrix/quaternion conversion with negative scaled cameras
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_view.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_view.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c index b8042a9f215..05922ba7a95 100644 --- a/source/blender/editors/space_view3d/view3d_view.c +++ b/source/blender/editors/space_view3d/view3d_view.c @@ -369,7 +369,11 @@ static void obmat_to_viewmat(RegionView3D *rv3d, Object *ob) invert_m4_m4(rv3d->viewmat, bmat); /* view quat calculation, needed for add object */ - mat4_normalized_to_quat(rv3d->viewquat, rv3d->viewmat); + copy_m4_m4(bmat, rv3d->viewmat); + if (is_negative_m4(bmat)) { + negate_m4(bmat); + } + mat4_normalized_to_quat(rv3d->viewquat, bmat); } void view3d_viewmatrix_set(Depsgraph *depsgraph, |