From 23a4149778c879d8a57edd211efefa8a740abd52 Mon Sep 17 00:00:00 2001
From: Sebastian Parborg <darkdefende@gmail.com>
Date: Fri, 13 Sep 2019 17:15:26 +0200
Subject: [PATCH] Fix "minimum twist" curve flipping issue

Correct the code to actually do what the comment says.
This fixes an issue where the curve would flip 180 degrees under certain
conditions.
---
 source/blender/blenkernel/intern/curve.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/blender/blenkernel/intern/curve.c b/source/blender/blenkernel/intern/curve.c
index 0080eb1a9d7..67b0aaffc4a 100644
--- a/source/blender/blenkernel/intern/curve.c
+++ b/source/blender/blenkernel/intern/curve.c
@@ -2370,7 +2370,7 @@ static void make_bevel_list_3D_minimum_twist(BevList *bl)
   nr = bl->nr;
   while (nr--) {
 
-    if (nr + 4 > bl->nr) { /* first time and second time, otherwise first point adjusts last */
+    if (nr + 3 > bl->nr) { /* first time and second time, otherwise first point adjusts last */
       vec_to_quat(bevp1->quat, bevp1->dir, 5, 1);
     }
     else {