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WIP: First working implementation of the triangle selector for the FDM support gizmo

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This commit is contained in:
Lukas Matena 2019-09-26 13:30:22 +02:00
parent 7afe7326b6
commit 08daddb5de
7 changed files with 108 additions and 28 deletions
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60
src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
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@ -105,13 +105,40 @@ void GLGizmoFdmSupports::on_render() const
glsafe(::glEnable(GL_BLEND));
glsafe(::glEnable(GL_DEPTH_TEST));
render_triangles(selection);
render_clipping_plane(selection);
glsafe(::glDisable(GL_BLEND));
}
void GLGizmoFdmSupports::render_triangles(const Selection& selection) const
{
if (! m_mesh)
return;
// Get transformation of the instance
const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin());
Transform3d trafo = vol->get_instance_transformation().get_matrix();
::glColor3f(0.0f, 0.37f, 1.0f);
for (size_t facet_idx : m_selected_facets) {
stl_normal normal = 0.01f * MeshRaycaster::get_triangle_normal(m_mesh->its, facet_idx);
::glPushMatrix();
::glTranslatef(normal(0), normal(1), normal(2));
::glMultMatrixd(trafo.data());
::glBegin(GL_TRIANGLES);
::glVertex3f(m_mesh->its.vertices[m_mesh->its.indices[facet_idx](0)](0), m_mesh->its.vertices[m_mesh->its.indices[facet_idx](0)](1), m_mesh->its.vertices[m_mesh->its.indices[facet_idx](0)](2));
::glVertex3f(m_mesh->its.vertices[m_mesh->its.indices[facet_idx](1)](0), m_mesh->its.vertices[m_mesh->its.indices[facet_idx](1)](1), m_mesh->its.vertices[m_mesh->its.indices[facet_idx](1)](2));
::glVertex3f(m_mesh->its.vertices[m_mesh->its.indices[facet_idx](2)](0), m_mesh->its.vertices[m_mesh->its.indices[facet_idx](2)](1), m_mesh->its.vertices[m_mesh->its.indices[facet_idx](2)](2));
::glEnd();
::glPopMatrix();
}
}
void GLGizmoFdmSupports::render_clipping_plane(const Selection& selection) const
{
@ -193,7 +220,7 @@ void GLGizmoFdmSupports::update_mesh()
// 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 GLGizmoFdmSupports::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec3f, Vec3f>& pos_and_normal)
bool GLGizmoFdmSupports::unproject_on_mesh(const Vec2d& mouse_pos, size_t& facet_idx)
{
// if the gizmo doesn't have the V, F structures for igl, calculate them first:
if (! m_mesh_raycaster)
@ -208,11 +235,8 @@ bool GLGizmoFdmSupports::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())) {
// Return both the point and the facet normal.
pos_and_normal = std::make_pair(hit, normal);
if (m_mesh_raycaster->unproject_on_mesh(mouse_pos, trafo.get_matrix(), camera, hit, normal, m_clipping_plane.get(), &facet_idx))
return true;
}
else
return false;
}
@ -240,6 +264,22 @@ bool GLGizmoFdmSupports::gizmo_event(SLAGizmoEventType action, const Vec2d& mous
return true;
}
if (action == SLAGizmoEventType::LeftDown || (action == SLAGizmoEventType::Dragging && m_wait_for_up_event)) {
size_t facet_idx = 0;
if (unproject_on_mesh(mouse_position, facet_idx)) {
m_selected_facets.push_back(facet_idx);
m_wait_for_up_event = true;
return true;
}
if (action == SLAGizmoEventType::Dragging && m_wait_for_up_event)
return true;
}
if (action == SLAGizmoEventType::LeftUp && m_wait_for_up_event) {
m_wait_for_up_event = false;
return true;
}
return false;
}
@ -332,11 +372,9 @@ std::string GLGizmoFdmSupports::on_get_name() const
void GLGizmoFdmSupports::on_set_state()
{
if (m_state == On)
std::cout << "zapinam se..." << std::endl;
else
std::cout << "vypinam se..." << std::endl;
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
return;
// m_model_object pointer can be invalid (for instance because of undo/redo action),
// we should recover it from the object id
m_model_object = nullptr;
@ -351,7 +389,7 @@ void GLGizmoFdmSupports::on_set_state()
return;
if (m_state == On && m_old_state != On) { // the gizmo was just turned on
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _(L("SLA gizmo turned on")));
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _(L("FDM gizmo turned on")));
if (is_mesh_update_necessary())
update_mesh();