[Bf-blender-cvs] [6da53e46c9d] master: Use reflect for calculating second normal
Campbell Barton
noreply at git.blender.org
Thu Apr 20 10:06:16 CEST 2017
Commit: 6da53e46c9dc81fcbabd49d1db0f88c5e876cf43
Author: Campbell Barton
Date: Thu Apr 20 18:08:05 2017 +1000
Branches: master
https://developer.blender.org/rB6da53e46c9dc81fcbabd49d1db0f88c5e876cf43
Use reflect for calculating second normal
===================================================================
M source/blender/editors/space_view3d/drawobject.c
===================================================================
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);
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