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Geometry Nodes: fix face corner to edge attribute interpolation 

Looks like this was wrong all the time.. Luckily, this conversion
is not very common.

Found when testing D15274.
This commit is contained in:
Jacques Lucke 2022-07-14 10:35:46 +02:00
parent 9d73bbd966
commit 44e530e1b1
Notes: blender-bot 2023-02-14 05:41:57 +01:00 
Referenced by commit bcdce4ffd8, Geometry Nodes: fix face corner to edge boolean interpolation
1 changed files with 7 additions and 5 deletions
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12
source/blender/blenkernel/intern/geometry_component_mesh.cc
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@ -298,12 +298,14 @@ static void adapt_mesh_domain_corner_to_edge_impl(const Mesh &mesh,
const MPoly &poly = mesh.mpoly[poly_index];
/* For every edge, mix values from the two adjacent corners (the current and next corner). */
for (const int loop_index : IndexRange(poly.loopstart, poly.totloop)) {
const int loop_index_next = (loop_index + 1) % poly.totloop;
const MLoop &loop = mesh.mloop[loop_index];
for (const int i : IndexRange(poly.totloop)) {
const int next_i = (i + 1) % poly.totloop;
const int loop_i = poly.loopstart + i;
const int next_loop_i = poly.loopstart + next_i;
const MLoop &loop = mesh.mloop[loop_i];
const int edge_index = loop.e;
mixer.mix_in(edge_index, old_values[loop_index]);
mixer.mix_in(edge_index, old_values[loop_index_next]);
mixer.mix_in(edge_index, old_values[loop_i]);
mixer.mix_in(edge_index, old_values[next_loop_i]);
}
}