3DPrinting/PrusaSlicer-NonPlainar
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bug fixes, raycasting to find good support spot

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This commit is contained in:
PavelMikus 2022-06-21 16:04:29 +02:00
parent bef26fee2b
commit 8dc3956b64
5 changed files with 80 additions and 82 deletions
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34
src/libslic3r/TriangleSelectorWrapper.cpp
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@ -10,22 +10,26 @@ TriangleSelectorWrapper::TriangleSelectorWrapper(const TriangleMesh &mesh) :
}
void TriangleSelectorWrapper::enforce_spot(const Vec3f &point, float radius) {
size_t hit_face_index;
Vec3f hit_point;
auto dist = AABBTreeIndirect::squared_distance_to_indexed_triangle_set(mesh.its.vertices, mesh.its.indices,
triangles_tree,
point, hit_face_index, hit_point);
if (dist < 0 || dist > radius * radius) {
return;
void TriangleSelectorWrapper::enforce_spot(const Vec3f &point, const Vec3f &origin, float radius) {
std::vector<igl::Hit> hits;
Vec3f dir = (point - origin).normalized();
if (AABBTreeIndirect::intersect_ray_all_hits(mesh.its.vertices, mesh.its.indices, triangles_tree,
Vec3d(origin.cast<double>()),
Vec3d(dir.cast<double>()),
hits)) {
for (int hit_idx = hits.size() - 1; hit_idx >= 0; --hit_idx) {
const igl::Hit &hit = hits[hit_idx];
Vec3f pos = origin + dir * hit.t;
Vec3f face_normal = its_face_normal(mesh.its, hit.id);
if (point.z() + radius > pos.z() && face_normal.dot(dir) < 0) {
std::unique_ptr<TriangleSelector::Cursor> cursor = std::make_unique<TriangleSelector::Sphere>(
pos, origin, radius, Transform3d::Identity(), TriangleSelector::ClippingPlane { });
selector.select_patch(hit.id, std::move(cursor), EnforcerBlockerType::ENFORCER, Transform3d::Identity(),
true, 0.0f);
break;
}
}
}
std::unique_ptr<TriangleSelector::Cursor> cursor = std::make_unique<TriangleSelector::Sphere>(hit_point, point,
radius, Transform3d::Identity(), TriangleSelector::ClippingPlane { });
selector.select_patch(hit_face_index, std::move(cursor), EnforcerBlockerType::ENFORCER, Transform3d::Identity(),
true,
0.0f);
}
}