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Tech ENABLE_ALLOW_NEGATIVE_Z -> ModelObject::convex_hull_2d() and sequential_print_horizontal_clearance_valid() modified to take in account for sinking instances

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enricoturri1966 2021-05-14 15:02:54 +02:00
parent 221af991c2
commit ca14ea4c33
2 changed files with 19 additions and 3 deletions
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10
src/libslic3r/Model.cpp
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@ -901,13 +901,19 @@ Polygon ModelObject::convex_hull_2d(const Transform3d &trafo_instance) const
for (const stl_facet &facet : stl.facet_start)
for (size_t j = 0; j < 3; ++ j) {
Vec3d p = trafo * facet.vertex[j].cast<double>();
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
#if ENABLE_ALLOW_NEGATIVE_Z
if (p.z() >= 0.0)
#endif // ENABLE_ALLOW_NEGATIVE_Z
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
}
} else {
// Using the shared vertices should be a bit quicker than using the STL faces.
for (size_t i = 0; i < its.vertices.size(); ++ i) {
Vec3d p = trafo * its.vertices[i].cast<double>();
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
#if ENABLE_ALLOW_NEGATIVE_Z
if (p.z() >= 0.0)
#endif // ENABLE_ALLOW_NEGATIVE_Z
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
}
}
}