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FDM supports gizmo: caching triangle normals in order to increase performance

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This commit is contained in:
Lukas Matena 2020-05-15 14:16:56 +02:00
parent e2ccc6ec0c
commit e312f3be43
3 changed files with 16 additions and 14 deletions
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9
src/slic3r/GUI/MeshUtils.hpp
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@ -108,7 +108,11 @@ public:
// The pointer can be invalidated after constructor returns.
MeshRaycaster(const TriangleMesh& mesh)
: m_emesh(mesh)
{}
{
m_normals.reserve(mesh.stl.facet_start.size());
for (const stl_facet& facet : mesh.stl.facet_start)
m_normals.push_back(facet.normal);
}
void line_from_mouse_pos(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3d& point, Vec3d& direction) const;
@ -140,10 +144,11 @@ public:
Vec3f get_closest_point(const Vec3f& point, Vec3f* normal = nullptr) const;
static Vec3f get_triangle_normal(const indexed_triangle_set& its, size_t facet_idx);
Vec3f get_triangle_normal(size_t facet_idx) const;
private:
sla::EigenMesh3D m_emesh;
std::vector<stl_normal> m_normals;
};