[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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