Fix T85149: Wrong reroute position when adding with quick gesture

In the operation of adding reroute node to the intersection with the
gesture segment, each rerount was added to the middle of two points that
are part of the segment.

Now add the reroute point to the intersection position.

Maniphest Tasks: T85149

Differential Revision: https://developer.blender.org/D10247

1 files changed, 2 insertions, 3 deletions

diff --git a/source/blender/editors/space_node/node_add.c b/source/blender/editors/space_node/node_add.c
index 131bacbdfef..e665f7b1d52 100644
--- a/source/blender/editors/space_node/node_add.c
+++ b/source/blender/editors/space_node/node_add.c
@@ -104,9 +104,8 @@ static bool add_reroute_intersect_check(bNodeLink *link,
   if (node_link_bezier_points(NULL, NULL, link, coord_array, NODE_LINK_RESOL)) {
     for (int i = 0; i < tot - 1; i++) {
       for (int b = 0; b < NODE_LINK_RESOL; b++) {
-        if (isect_seg_seg_v2(mcoords[i], mcoords[i + 1], coord_array[b], coord_array[b + 1]) > 0) {
-          result[0] = (mcoords[i][0] + mcoords[i + 1][0]) / 2.0f;
-          result[1] = (mcoords[i][1] + mcoords[i + 1][1]) / 2.0f;
+        if (isect_seg_seg_v2_point(
+                mcoords[i], mcoords[i + 1], coord_array[b], coord_array[b + 1], result) > 0) {
           return true;
         }
       }