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Fix T92355: Quadriflow crashes with zero length edges 

Add a check for zero length edges to the manifold check as quadriflow
doesn't handle meshes with these.
This commit is contained in:
Sebastian Parborg 2021-10-21 15:13:55 +02:00
parent 91b4c1841a
commit 10fb5cc58d
Notes: blender-bot 2023-02-14 06:00:50 +01:00 
Referenced by issue #88449: Blender LTS: Maintenance Task 2.93
Referenced by issue #88449, Blender LTS: Maintenance Task 2.93
Referenced by issue #92484, Blender 2.93. crashes with meshes with zero length edges
Referenced by issue #92355, Remesh-bug.crash
1 changed files with 8 additions and 1 deletions
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9
source/blender/editors/object/object_remesh.cc
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@ -708,12 +708,19 @@ static bool mesh_is_manifold_consistent(Mesh *mesh)
}
if (is_manifold_consistent) {
/* check for wire edges */
for (uint i = 0; i < mesh->totedge; i++) {
/* Check for wire edges. */
if (edge_faces[i] == 0) {
is_manifold_consistent = false;
break;
}
/* Check for zero length edges */
MVert *v1 = &mesh->mvert[mesh->medge[i].v1];
MVert *v2 = &mesh->mvert[mesh->medge[i].v2];
if (compare_v3v3(v1->co, v2->co, 1e-4f)) {
is_manifold_consistent = false;
break;
}
}
}