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Fix of paint on supports don't work for object that has been scaled up #6718

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The triangle-ray intersection function used a hard coded epsilon,
which did not work for triangle meshes, that were either too small
or too large. Newly the epsilon may be provided to the AABBTreeIndirect
search functions externally and IndexedMesh calculates a suitable
epsilon on demand from an average triangle mesh edge length.
This commit is contained in:
Vojtech Bubnik
2021-08-27 21:04:11 +02:00
parent d9f2fd7501
commit 1c76df89ea
6 changed files with 127 additions and 50 deletions
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src/libslic3r/TriangleMesh.hpp
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@@ -199,6 +199,7 @@ inline stl_normal its_unnormalized_normal(const indexed_triangle_set &its,
}
float its_volume(const indexed_triangle_set &its);
float its_average_edge_length(const indexed_triangle_set &its);
void its_merge(indexed_triangle_set &A, const indexed_triangle_set &B);
void its_merge(indexed_triangle_set &A, const std::vector<Vec3f> &triangles);