transformation of object
This commit is contained in:
Filip Sykala
parent
d4744954cb
commit
ef1bdf60ee
3 changed files with 151 additions and 24 deletions
src/slic3r/GUI/Gizmos
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@ -189,7 +189,6 @@ public:
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};
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#endif // __linux__
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} // namespace Slic3r
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using namespace Slic3r;
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@ -200,6 +199,7 @@ GLGizmoEmboss::GLGizmoEmboss(GLCanvas3D &parent)
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, m_font_selected(0)
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, m_font(nullptr)
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, m_volume(nullptr)
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, m_drag(false)
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, m_exist_notification(false)
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, m_is_initialized(false) // initialize on first opening gizmo
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, m_job(std::make_unique<EmbossJob>())
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@ -261,7 +261,7 @@ static void draw_fine_position(const Selection &selection)
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}
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#endif // ALLOW_DEBUG_MODE
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void GLGizmoEmboss::create_volume(ModelVolumeType volume_type)
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void GLGizmoEmboss::create_volume(ModelVolumeType volume_type, const Vec2d& mouse_pos)
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{
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if (!m_is_initialized) initialize();
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const Selection &selection = m_parent.get_selection();
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@ -269,6 +269,13 @@ void GLGizmoEmboss::create_volume(ModelVolumeType volume_type)
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set_default_configuration();
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TriangleMesh tm = m_default_mesh; // copy
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// By position of cursor create transformation to put text on surface of model
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if (mouse_pos.x() >= 0 && mouse_pos.y() >= 0) {
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std::optional<Transform3d> tr = transform_on_surface(mouse_pos);
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if (tr.has_value()) tm.transform(*tr);
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}
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create_emboss_volume(std::move(tm), create_volume_name(),
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create_configuration(), volume_type,
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selection.get_object_idx());
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@ -375,17 +382,21 @@ void GLGizmoEmboss::on_set_state()
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set_fine_position();
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// when open by hyperlink it needs to show up
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m_parent.reload_scene(true);
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m_parent.reload_scene(true);
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// TODO: after key T windows doesn't appear
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}
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}
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void GLGizmoEmboss::on_start_dragging() {
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CommonGizmosDataID GLGizmoEmboss::on_get_requirements() const
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{
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return CommonGizmosDataID((int) CommonGizmosDataID::Raycaster |
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(int) CommonGizmosDataID::SelectionInfo);
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}
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void GLGizmoEmboss::on_stop_dragging() {
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void GLGizmoEmboss::on_start_dragging() { m_drag = true; }
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}
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void GLGizmoEmboss::on_stop_dragging() { m_drag = false; }
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void GLGizmoEmboss::initialize()
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{
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@ -535,7 +546,9 @@ ModelVolume *GLGizmoEmboss::get_selected_volume(const Selection &selection,
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bool GLGizmoEmboss::process()
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{
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assert(m_volume != nullptr);
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// no volume is selected -> selection from right panel
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if (m_volume == nullptr) return false;
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// exist loaded font?
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if (m_font == nullptr) return false;
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auto data = std::make_unique<EmbossData>(
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@ -600,16 +613,124 @@ void GLGizmoEmboss::draw_window()
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}
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}
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m_imgui->disabled_end();
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ImGui::SameLine();
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ImGui::Checkbox("drag", &m_drag);
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ImGui::SameLine();
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ImGui::Checkbox("dragging", &m_dragging);
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static bool change_position = true;
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ImGui::Checkbox("change position", &change_position);
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ImGui::SameLine();
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ImGui::Checkbox("position", &change_position);
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if (change_position) {
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// draw text on coordinate of mouse
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preview_positon();
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}
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}
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void GLGizmoEmboss::preview_positon() {
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Transform3d get_emboss_transformation(const Vec3f& position, const Vec3f& emboss_dir) {
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// up and emboss direction for generated model
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Vec3d text_up_dir = Vec3d::UnitY();
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Vec3d text_emboss_dir = Vec3d::UnitZ();
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// wanted up direction of result
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Vec3d wanted_up_side = Vec3d::UnitZ();
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if (std::fabs(emboss_dir.z()) > 0.9) wanted_up_side = Vec3d::UnitY();
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Vec3d wanted_emboss_dir = emboss_dir.cast<double>();
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wanted_emboss_dir.normalize(); // after cast from float it needs to be normalized again
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// create perpendicular unit vector to surface triangle normal vector
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// lay on surface of triangle and define up vector for text
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Vec3d wanted_up_dir = wanted_emboss_dir.cross(wanted_up_side).cross(wanted_emboss_dir);
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wanted_up_dir.normalize(); // normal3d is NOT perpendicular to normal_up_dir
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// perpendicular to emboss vector of text and normal
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Vec3d axis_view = text_emboss_dir.cross(wanted_emboss_dir);
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double angle_view = std::acos(text_emboss_dir.dot(wanted_emboss_dir)); // in rad
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axis_view.normalize();
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Eigen::AngleAxis view_rot(angle_view, axis_view);
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Vec3d wanterd_up_rotated = view_rot.matrix().inverse() * wanted_up_dir;
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wanterd_up_rotated.normalize();
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double angle_up = std::acos(text_up_dir.dot(wanterd_up_rotated));
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// text_view and text_view2 should have same direction
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Vec3d text_view2 = text_up_dir.cross(wanterd_up_rotated);
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Vec3d diff_view = text_emboss_dir - text_view2;
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if (std::fabs(diff_view.x()) > 1. || std::fabs(diff_view.y()) > 1. ||
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std::fabs(diff_view.z()) > 1.) // oposit direction
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angle_up *= -1.;
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Eigen::AngleAxis up_rot(angle_up, text_emboss_dir);
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Transform3d transform = Transform3d::Identity();
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transform.translate(position.cast<double>());
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transform.rotate(view_rot);
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transform.rotate(up_rot);
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return transform;
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}
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std::optional<Transform3d> GLGizmoEmboss::transform_on_surface(
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const Vec2d &mouse_pos)
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{
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auto rc = m_c->raycaster();
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if (rc == nullptr || !rc->is_valid()) return {};
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const std::vector<const MeshRaycaster *> &raycasters = rc->raycasters();
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Selection &selection = m_parent.get_selection();
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// check selection has volume
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if (selection.volumes_count() < 0) return {};
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assert(selection.volumes_count() == (int)raycasters.size());
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const Camera &camera = wxGetApp().plater()->get_camera();
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// in object coordinate
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struct Hit
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{
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Vec3f position = Vec3f::Zero();
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Vec3f normal = Vec3f::Zero();
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double squared_distance = std::numeric_limits<double>::max();
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Hit()=default;
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};
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std::optional<Hit> closest;
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const ModelObject * mo = m_c->selection_info()->model_object();
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const ModelInstance *mi = mo->instances[selection.get_instance_idx()];
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const Transform3d instance_trafo = mi->get_transformation().get_matrix();
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// Cast a ray on all meshes, pick the closest hit and save it for the
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// respective mesh
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int count_mesh = raycasters.size();
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auto volume_ids = selection.get_volume_idxs();
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for (int volume_in_object = 0; volume_in_object < count_mesh; ++volume_in_object) {
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const MeshRaycaster *raycaster = raycasters[volume_in_object];
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const ModelVolume * mv = mo->volumes[volume_in_object];
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Transform3d trafo = instance_trafo * mv->get_matrix();
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Hit act_hit;
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if (!raycaster->unproject_on_mesh(mouse_pos, trafo, camera, act_hit.position, act_hit.normal))
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continue;
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Vec3d act_hit_tr = trafo * act_hit.position.cast<double>();
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act_hit.squared_distance = (camera.get_position() - act_hit_tr).squaredNorm();
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if (closest.has_value() &&
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closest->squared_distance < act_hit.squared_distance)
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continue;
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closest = act_hit;
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}
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// check exist hit
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if (!closest.has_value()) return {};
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return get_emboss_transformation(closest->position, closest->normal);
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}
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void GLGizmoEmboss::preview_positon() {
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Vec2d mouse_pos = m_parent.get_local_mouse_position();
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auto rc = m_c->raycaster();
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//auto rc2 = rc->raycaster();
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static std::unique_ptr<MeshRaycaster> mrc;
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if (m_volume == nullptr) return;
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@ -647,17 +768,13 @@ void GLGizmoEmboss::preview_positon() {
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}
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if (gl_volume == nullptr) return;
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Vec2d mouse_pos = m_parent.get_local_mouse_position();
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Transform3d trafo = (gl_volume->get_volume_transformation() *
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gl_volume->get_instance_transformation())
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.get_matrix();
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Transform3d trafo = gl_volume->world_matrix();
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const Camera &camera = wxGetApp().plater()->get_camera();
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Vec3f position;
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Vec3f normal;
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size_t face_id;
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if (mrc->unproject_on_mesh(mouse_pos, trafo, camera, position, normal,nullptr,&face_id)) {
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if (mrc->unproject_on_mesh(mouse_pos, trafo, camera, position, normal, nullptr, &face_id)) {
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// draw triangle
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auto &its =volume->mesh().its;
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auto &triangle = its.indices[face_id];
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@ -672,17 +789,21 @@ void GLGizmoEmboss::preview_positon() {
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m_preview.init_from(m_volume->mesh().its);
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// up and emboss direction for generated model
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Vec3d text_up = Vec3d::UnitY();
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Vec3d text_view = Vec3d::UnitZ();
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// wanted up direction of result
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Vec3d normal_up_dir = Vec3d::UnitZ();
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if (abs(normal.z()) > 0.9) normal_up_dir = Vec3d::UnitY();
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// create perpendicular unit vector to surface triangle normal vector
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// define up vector for text
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Vec3d normal3d = normal.cast<double>();
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normal3d.normalize(); // after cast from float it needs to be normalized again
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// create perpendicular unit vector to surface triangle normal vector
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// lay on surface of triangle and define up vector for text
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Vec3d normal_up = normal3d.cross(normal_up_dir).cross(normal3d);
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normal_up.normalize();
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normal_up.normalize(); // normal3d is NOT perpendicular to normal_up_dir
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// perpendicular to emboss vector of text and normal
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Vec3d axis_view = text_view.cross(normal3d);
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@ -707,6 +828,8 @@ void GLGizmoEmboss::preview_positon() {
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transform.rotate(view_rot);
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transform.rotate(up_rot);
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transform = get_emboss_transformation(position, normal);
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//Transform3d rot = Transform3d::Identity();
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//rot.rotate(Eigen::AngleAxis(angle, axis));
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