Follow-up a41dd8eeed50b9bfbb9f37769569f091512d8124 - Added missed updates for transformed bounding box

+ Fixed Arrow Up/Down action. Cut plane is moved during the its own normal instead of during the Z axes

src/slic3r/GUI/Gizmos/GLGizmoCut.cpp

@@ -360,11 +360,12 @@ bool GLGizmoCut3D::on_mouse(const wxMouseEvent &mouse_event)
     return false;
 }
 
-void GLGizmoCut3D::shift_cut_z(double delta)
+void GLGizmoCut3D::shift_cut(double delta)
 {
-    Vec3d new_cut_center = m_plane_center;
+    Vec3d starting_vec = m_rotation_m * Vec3d::UnitZ();
-    new_cut_center[Z] += delta;
+    if (starting_vec.norm() != 0.0)
-    set_center(new_cut_center, true);
+        starting_vec.normalize();
+    set_center(m_plane_center + starting_vec * delta, true);
 }
 
 void GLGizmoCut3D::rotate_vec3d_around_plane_center(Vec3d&vec)
@@ -1175,9 +1176,10 @@ void GLGizmoCut3D::dragging_grabber_xy(const GLGizmoBase::UpdateData &data)
     rotation[m_hover_id] = theta;
 
     const Transform3d rotation_tmp = m_start_dragging_m * rotation_transform(rotation);
-    if (m_rotation_m.rotation() != rotation_tmp.rotation())
+    const bool update_tbb = m_rotation_m.rotation() != rotation_tmp.rotation();
-        m_transformed_bounding_box = transformed_bounding_box(m_plane_center);
     m_rotation_m = rotation_tmp;
+    if (update_tbb)
+        m_transformed_bounding_box = transformed_bounding_box(m_plane_center);
 
     m_angle = theta;
     while (m_angle > two_pi)
@@ -1647,6 +1649,8 @@ void GLGizmoCut3D::set_connectors_editing(bool connectors_editing)
 void GLGizmoCut3D::flip_cut_plane()
 {
     m_rotation_m = m_rotation_m * rotation_transform(PI * Vec3d::UnitX());
+    m_transformed_bounding_box = transformed_bounding_box(m_plane_center);
+
     Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Flip cut plane"), UndoRedo::SnapshotType::GizmoAction);
     m_start_dragging_m = m_rotation_m;
 
@@ -2303,6 +2307,8 @@ bool GLGizmoCut3D::process_cut_line(SLAGizmoEventType action, const Vec2d& mouse
             m.matrix().block(0, 0, 3, 3) = q.setFromTwoVectors(Vec3d::UnitZ(), cross_dir).toRotationMatrix();
 
             m_rotation_m = m;
+            // update transformed bb
+            m_transformed_bounding_box = transformed_bounding_box(m_plane_center);
             m_angle_arc.reset();
 
             set_center(m_plane_center + cross_dir * (cross_dir.dot(pt - m_plane_center)), true);

src/slic3r/GUI/Gizmos/GLGizmoCut.hpp

@@ -187,7 +187,7 @@ public:
     /// <returns>Return True when use the information otherwise False.</returns>
     bool on_mouse(const wxMouseEvent &mouse_event) override;
 
-    void shift_cut_z(double delta);
+    void shift_cut(double delta);
     void rotate_vec3d_around_plane_center(Vec3d&vec);
     void put_connectors_on_cut_plane(const Vec3d& cp_normal, double cp_offset);
     void update_clipper();

src/slic3r/GUI/Gizmos/GLGizmosManager.cpp

@@ -623,7 +623,7 @@ bool GLGizmosManager::on_key(wxKeyEvent& evt)
         else if (m_current == Cut) {
             auto do_move = [this, &processed](double delta_z) {
                 GLGizmoCut3D* cut = dynamic_cast<GLGizmoCut3D*>(get_current());
-                cut->shift_cut_z(delta_z);
+                cut->shift_cut(delta_z);
                 processed = true;
             };