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Recast: add note to detail vert height offset

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This commit is contained in:
Kawe Mazidjatari 2024-08-22 16:00:45 +02:00
parent 9b1651420c
commit fc1bfa8bfe
1 changed files with 4 additions and 0 deletions
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4
src/thirdparty/recast/Recast/Source/RecastMeshDetail.cpp vendored
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@ -1407,6 +1407,10 @@ bool rcBuildPolyMeshDetail(rcContext* ctx, const rcPolyMesh& mesh, const rcCompa
{ {
verts[j*3+0] += orig[0]; verts[j*3+0] += orig[0];
verts[j*3+1] += orig[1]; verts[j*3+1] += orig[1];
// note(amos): the offset appears to be necessary, otherwise BVTrees
// are built below the polygon.
// see https://github.com/recastnavigation/recastnavigation/issues/647
verts[j*3+2] += orig[2] + chf.ch; // Is this offset necessary? verts[j*3+2] += orig[2] + chf.ch; // Is this offset necessary?
} }
// Offset poly too, will be used to flag checking. // Offset poly too, will be used to flag checking.