Unified igl calls in MeshRaycaster and EigenMesh3D

MeshRaycaster is still aware of the clipping plane but it now uses EigenMesh3D internally
Public interface of both classes is unchanged
This commit is contained in:
Lukas Matena 2019-11-08 20:18:14 +01:00
parent 645f13a0ae
commit b4795e1292
4 changed files with 51 additions and 92 deletions

View file

@ -189,6 +189,9 @@ public:
// Casting a ray on the mesh, returns the distance where the hit occures.
hit_result query_ray_hit(const Vec3d &s, const Vec3d &dir) const;
// Casts a ray on the mesh and returns all hits
std::vector<hit_result> query_ray_hits(const Vec3d &s, const Vec3d &dir) const;
class si_result {
double m_value;
int m_fidx;

View file

@ -272,6 +272,31 @@ EigenMesh3D::query_ray_hit(const Vec3d &s, const Vec3d &dir) const
return ret;
}
std::vector<EigenMesh3D::hit_result>
EigenMesh3D::query_ray_hits(const Vec3d &s, const Vec3d &dir) const
{
std::vector<EigenMesh3D::hit_result> outs;
std::vector<igl::Hit> hits;
m_aabb->intersect_ray(m_V, m_F, s, dir, hits);
// The sort is necessary, the hits are not always sorted.
std::sort(hits.begin(), hits.end(),
[](const igl::Hit& a, const igl::Hit& b) { return a.t < b.t; });
// Convert the igl::Hit into hit_result
outs.reserve(hits.size());
for (const igl::Hit& hit : hits) {
outs.emplace_back(EigenMesh3D::hit_result(*this));
outs.back().m_t = double(hit.t);
outs.back().m_dir = dir;
outs.back().m_source = s;
if(!std::isinf(hit.t) && !std::isnan(hit.t))
outs.back().m_face_id = hit.id;
}
return outs;
}
#ifdef SLIC3R_SLA_NEEDS_WINDTREE
EigenMesh3D::si_result EigenMesh3D::signed_distance(const Vec3d &p) const {
double sign = 0; double sqdst = 0; int i = 0; Vec3d c;