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EigenMesh3D now stores TriangleMesh inside, not a mesh in Eigen format

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Rotfinder was apparently building the AABB tree needlessly
This commit is contained in:
Lukas Matena
2020-05-22 18:21:52 +02:00
parent 9224a6a3e6
commit d85fa8e9ab
4 changed files with 62 additions and 69 deletions
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26
src/libslic3r/SLA/EigenMesh3D.hpp
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@@ -2,6 +2,7 @@
#define SLA_EIGENMESH3D_H
#include <libslic3r/SLA/Common.hpp>
#include <libslic3r/TriangleMesh.hpp>
// There is an implementation of a hole-aware raycaster that was eventually
@@ -15,8 +16,6 @@
namespace Slic3r {
class TriangleMesh;
namespace sla {
struct Contour3D;
@@ -30,8 +29,7 @@ void to_triangle_mesh(const Eigen::MatrixXd &V, const Eigen::MatrixXi &F, Triang
class EigenMesh3D {
class AABBImpl;
Eigen::MatrixXd m_V;
Eigen::MatrixXi m_F;
TriangleMesh m_tm;
double m_ground_level = 0, m_gnd_offset = 0;
std::unique_ptr<AABBImpl> m_aabb;
@@ -59,8 +57,14 @@ public:
inline void ground_level_offset(double o) { m_gnd_offset = o; }
inline double ground_level_offset() const { return m_gnd_offset; }
inline const Eigen::MatrixXd& V() const { return m_V; }
inline const Eigen::MatrixXi& F() const { return m_F; }
const std::vector<stl_vertex>& vertices() const { return m_tm.its.vertices; }
const std::vector<stl_triangle_vertex_indices>& indices() const { return m_tm.its.indices; }
const stl_vertex& vertices(size_t idx) const {
return m_tm.its.vertices[idx];
}
const stl_triangle_vertex_indices& indices(size_t idx) const {
return m_tm.its.indices[idx];
}
// Result of a raycast
class hit_result {
@@ -148,10 +152,12 @@ public:
}
Vec3d normal_by_face_id(int face_id) const {
auto trindex = F().row(face_id);
const Vec3d& p1 = V().row(trindex(0));
const Vec3d& p2 = V().row(trindex(1));
const Vec3d& p3 = V().row(trindex(2));
// FIXME: normals should be cached in TriangleMesh, there should be
// no need to recalculate them.
auto trindex = this->indices(face_id);
const Vec3d& p1 = this->vertices(trindex(0)).cast<double>();
const Vec3d& p2 = this->vertices(trindex(1)).cast<double>();
const Vec3d& p3 = this->vertices(trindex(2)).cast<double>();
Eigen::Vector3d U = p2 - p1;
Eigen::Vector3d V = p3 - p1;
return U.cross(V).normalized();