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WIP: Added a circle cursor and naive logic to select triangles inside

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Deselection is possible when holding shift
Triangles obscured by the mesh are selected nonetheless (so far)
This commit is contained in:
Lukas Matena 2019-10-08 10:15:06 +02:00
parent 08daddb5de
commit 2e71dcefc3
4 changed files with 141 additions and 23 deletions
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15
src/slic3r/GUI/MeshUtils.cpp
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@ -85,11 +85,11 @@ void MeshClipper::recalculate_triangles()
tr = m_trafo.get_matrix().cast<float>() * tr;
m_triangles3d.clear();
m_triangles3d.reserve(m_triangles2d.size());
for (const Vec2f& pt : m_triangles2d) {
m_triangles3d.push_back(Vec3f(pt(0), pt(1), height_mesh+0.001f));
m_triangles3d.back() = tr * m_triangles3d.back();
}
m_triangles3d.reserve(m_triangles2d.size());
for (const Vec2f& pt : m_triangles2d) {
m_triangles3d.push_back(Vec3f(pt(0), pt(1), height_mesh+0.001f));
m_triangles3d.back() = tr * m_triangles3d.back();
}
m_triangles_valid = true;
}
@ -102,9 +102,8 @@ Vec3f MeshRaycaster::get_triangle_normal(const indexed_triangle_set& its, size_t
return Vec3f(a.cross(b)).normalized();
}
bool MeshRaycaster::unproject_on_mesh(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3f& position, Vec3f& normal, const ClippingPlane* clipping_plane,
size_t* facet_idx) const
void MeshRaycaster::line_from_mouse_pos(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3d& point, Vec3d& direction) const
{
const std::array<int, 4>& viewport = camera.get_viewport();
const Transform3d& model_mat = camera.get_view_matrix();