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fix: correct heightfield shape-cast normals on internal edges #463

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fix: correct heightfield shape-cast normals on internal edges #463

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7 changes: 7 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -7,6 +7,13 @@
`UnknownContactManifoldsWorkspace`, which the relevant algorithm can replace with a workspace
of the correct type at its next execution.

### Fixed

- Fix shape-casts onto a 3D `HeightField` with `HeightFieldFlags::FIX_INTERNAL_EDGES` returning the
normal of an internal edge between coplanar triangles, tilted a few degrees off the face, when
the cast stops on that edge. The hit's normals are now projected into the normal cone of the
surface where the hit lies, from the triangles there, so a real crease keeps its own.

## 0.31.1

### Modified
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