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Auto support painting: Don't paint on upwards pointing surfaces.

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This commit is contained in:
Vojtech Bubnik 2023-05-12 15:16:06 +02:00
parent 35195dc03e
commit 96551233e0
1 changed files with 7 additions and 4 deletions
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11
src/libslic3r/TriangleSelectorWrapper.cpp
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@ -11,6 +11,9 @@ TriangleSelectorWrapper::TriangleSelectorWrapper(const TriangleMesh &mesh, const
void TriangleSelectorWrapper::enforce_spot(const Vec3f &point, const Vec3f &origin, float radius) { void TriangleSelectorWrapper::enforce_spot(const Vec3f &point, const Vec3f &origin, float radius) {
std::vector<igl::Hit> hits; std::vector<igl::Hit> hits;
Vec3f dir = (point - origin).normalized(); Vec3f dir = (point - origin).normalized();
static constexpr const auto eps_angle = 89.99f;
Transform3d trafo_no_translate = mesh_transform;
trafo_no_translate.translation() = Vec3d::Zero();
if (AABBTreeIndirect::intersect_ray_all_hits(mesh.its.vertices, mesh.its.indices, triangles_tree, if (AABBTreeIndirect::intersect_ray_all_hits(mesh.its.vertices, mesh.its.indices, triangles_tree,
Vec3d(origin.cast<double>()), Vec3d(origin.cast<double>()),
Vec3d(dir.cast<double>()), Vec3d(dir.cast<double>()),
@ -22,8 +25,8 @@ void TriangleSelectorWrapper::enforce_spot(const Vec3f &point, const Vec3f &orig
if ((point - pos).norm() < radius && face_normal.dot(dir) < 0) { if ((point - pos).norm() < radius && face_normal.dot(dir) < 0) {
std::unique_ptr<TriangleSelector::Cursor> cursor = std::make_unique<TriangleSelector::Sphere>( std::unique_ptr<TriangleSelector::Cursor> cursor = std::make_unique<TriangleSelector::Sphere>(
pos, origin, radius, this->mesh_transform, TriangleSelector::ClippingPlane { }); pos, origin, radius, this->mesh_transform, TriangleSelector::ClippingPlane { });
selector.select_patch(hit.id, std::move(cursor), EnforcerBlockerType::ENFORCER, Transform3d::Identity(), selector.select_patch(hit.id, std::move(cursor), EnforcerBlockerType::ENFORCER, trafo_no_translate,
true, 0.0f); true, eps_angle);
break; break;
} }
} }
@ -36,8 +39,8 @@ void TriangleSelectorWrapper::enforce_spot(const Vec3f &point, const Vec3f &orig
std::unique_ptr<TriangleSelector::Cursor> cursor = std::make_unique<TriangleSelector::Sphere>( std::unique_ptr<TriangleSelector::Cursor> cursor = std::make_unique<TriangleSelector::Sphere>(
point, origin, radius, this->mesh_transform, TriangleSelector::ClippingPlane { }); point, origin, radius, this->mesh_transform, TriangleSelector::ClippingPlane { });
selector.select_patch(hit_idx_out, std::move(cursor), EnforcerBlockerType::ENFORCER, selector.select_patch(hit_idx_out, std::move(cursor), EnforcerBlockerType::ENFORCER,
Transform3d::Identity(), trafo_no_translate,
true, 0.0f); true, eps_angle);
} }
} }
} }