diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2017-04-20 11:08:05 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2017-04-20 11:08:05 +0300 |
| commit | 6da53e46c9dc81fcbabd49d1db0f88c5e876cf43 (patch) | |
| tree | 7f508ac7f964b1fcd48a5a660139a1ef55cdd7f8 /source/blender/editors/space_view3d | |
| parent | 9bb8e46460f1993dc3af28868b9c7aa25029b508 (diff) | |
Use reflect for calculating second normal
Diffstat (limited to 'source/blender/editors/space_view3d')
| -rw-r--r-- | source/blender/editors/space_view3d/drawobject.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/source/blender/editors/space_view3d/drawobject.c b/source/blender/editors/space_view3d/drawobject.c index 335d0649729..71e10c9dffc 100644 --- a/source/blender/editors/space_view3d/drawobject.c +++ b/source/blender/editors/space_view3d/drawobject.c @@ -6419,19 +6419,16 @@ static void draw_editnurb( vec_a[0] = fac; vec_a[1] = 0.0f; vec_a[2] = 0.0f; - - vec_b[0] = -fac; - vec_b[1] = 0.0f; - vec_b[2] = 0.0f; mul_qt_v3(bevp->quat, vec_a); - mul_qt_v3(bevp->quat, vec_b); + madd_v3_v3fl(vec_a, bevp->dir, -fac); + + reflect_v3_v3v3(vec_b, vec_a, bevp->dir); + negate_v3(vec_b); + add_v3_v3(vec_a, bevp->vec); add_v3_v3(vec_b, bevp->vec); - madd_v3_v3fl(vec_a, bevp->dir, -fac); - madd_v3_v3fl(vec_b, bevp->dir, -fac); - glBegin(GL_LINE_STRIP); glVertex3fv(vec_a); glVertex3fv(bevp->vec); |