[Bf-blender-cvs] [3cb09cfed0e] soc-2021-curves: Insert point to cyclic NURBs

[Dilith Jayakody]

Commit: 3cb09cfed0e6442c0551f6aa08ab7978b23b672c
Author: Dilith Jayakody
Date:   Sun Jan 30 08:36:24 2022 +0530
Branches: soc-2021-curves
https://developer.blender.org/rB3cb09cfed0e6442c0551f6aa08ab7978b23b672c

Insert point to cyclic NURBs

===================================================================

M	source/blender/editors/curve/editcurve_pen.c

===================================================================

diff --git a/source/blender/editors/curve/editcurve_pen.c b/source/blender/editors/curve/editcurve_pen.c
index 179d94c34b2..59881f85607 100644
--- a/source/blender/editors/curve/editcurve_pen.c
+++ b/source/blender/editors/curve/editcurve_pen.c
@@ -887,10 +887,16 @@ static void update_data_for_all_nurbs(const ListBase *nurbs, const ViewContext *
             data, len_manhattan_v2v2(screen_co, data->mval), nu, -1, 0, 0.0f, nu->bp->vec);
       }
 
-      for (int i = 0; i < nu->pntsu - 1; i++) {
+      int end = nu->pntsu - 1;
+      if (nu->flagu & CU_NURB_CYCLIC) {
+        end = nu->pntsu;
+      }
+
+      for (int i = 0; i < end; i++) {
         float point[3], factor;
+        int next_i = (i + 1) % nu->pntsu;
         bool found_min = get_closest_point_on_edge(
-            point, data->mval, (nu->bp + i)->vec, (nu->bp + i + 1)->vec, vc, &factor);
+            point, data->mval, (nu->bp + i)->vec, (nu->bp + next_i)->vec, vc, &factor);
         if (found_min) {
           float point_2d[2];
           if (worldspace_to_screenspace(point, vc, point_2d)) {