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Started work on extending EigenMesh3D to account for possible drain holes when raycasting

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This commit is contained in:
Lukas Matena 2019-11-15 15:48:52 +01:00
parent 673549d608
commit 9dd18a8d6d
6 changed files with 149 additions and 32 deletions
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42
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
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@ -412,25 +412,6 @@ void GLGizmoSlaSupports::update_mesh()
}
bool GLGizmoSlaSupports::is_point_in_hole(const Vec3f& pt) const
{
auto squared_distance_from_line = [](const Vec3f pt, const Vec3f& line_pt, const Vec3f& dir) -> float {
Vec3f diff = line_pt - pt;
return (diff - diff.dot(dir) * dir).squaredNorm();
};
for (const sla::DrainHole& hole : m_model_object->sla_drain_holes) {
if ( hole.normal.dot(pt-hole.pos) < EPSILON
|| hole.normal.dot(pt-(hole.pos+hole.height * hole.normal)) > 0.f)
continue;
if ( squared_distance_from_line(pt, hole.pos, hole.normal) < pow(hole.radius, 2.f))
return true;
}
return false;
}
// Unprojects the mouse position on the mesh and saves hit point and normal of the facet into pos_and_normal
// Return false if no intersection was found, true otherwise.
bool GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec3f, Vec3f>& pos_and_normal)
@ -448,14 +429,23 @@ bool GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec
// The raycaster query
Vec3f hit;
Vec3f normal;
if (m_mesh_raycaster->unproject_on_mesh(mouse_pos, trafo.get_matrix(), camera, hit, normal, m_clipping_plane.get())
&& ! is_point_in_hole(hit)) {
// Return both the point and the facet normal.
pos_and_normal = std::make_pair(hit, normal);
return true;
if (m_mesh_raycaster->unproject_on_mesh(mouse_pos, trafo.get_matrix(), camera, hit, normal, m_clipping_plane.get())) {
// Check whether the hit is in a hole
bool in_hole = false;
for (const sla::DrainHole& hole : m_model_object->sla_drain_holes) {
if (hole.is_inside(hit)) {
in_hole = true;
break;
}
}
if (! in_hole) {
// Return both the point and the facet normal.
pos_and_normal = std::make_pair(hit, normal);
return true;
}
}
else
return false;
return false;
}
// Following function is called from GLCanvas3D to inform the gizmo about a mouse/keyboard event.