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author | Campbell Barton <ideasman42@gmail.com> | 2021-01-16 03:29:56 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2021-01-16 03:32:00 +0300 |
commit | c4bbe44e472b97911127ce354954ff7e9e290a3d (patch) | |
tree | 943218e8bc3326e258bc7120af28d24ceb12fe33 /source/blender/editors/transform | |
parent | 2f0d919f89cbed64965fa7c39d92419b0ef5bd9e (diff) |
Add Object Tool: workaround non-orthogonal orientation matrices
Diffstat (limited to 'source/blender/editors/transform')
-rw-r--r-- | source/blender/editors/transform/transform_orientations.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/source/blender/editors/transform/transform_orientations.c b/source/blender/editors/transform/transform_orientations.c index 606862f05aa..90b2ce2a385 100644 --- a/source/blender/editors/transform/transform_orientations.c +++ b/source/blender/editors/transform/transform_orientations.c @@ -500,6 +500,15 @@ void ED_transform_calc_orientation_from_type(const bContext *C, float r_mat[3][3 C, r_mat, scene, rv3d, ob, obedit, orientation_type, orientation_index_custom, pivot_point); } +/** + * \note The resulting matrix may not be orthogonal, + * callers that depend on `r_mat` to be orthogonal should use #orthogonalize_m3. + * + * A non orthogonal matrix may be returned when: + * - #V3D_ORIENT_GIMBAL the result won't be orthogonal unless the object has no rotation. + * - #V3D_ORIENT_LOCAL may contain shear from non-uniform scale in parent/child relationships. + * - #V3D_ORIENT_CUSTOM may have been created from #V3D_ORIENT_LOCAL. + */ short ED_transform_calc_orientation_from_type_ex(const bContext *C, float r_mat[3][3], /* extra args (can be accessed from context) */ |