a9ae2460ad
it uses the actual name of the gizmo. Also, the keyboard shortcut is now appended to the name, instead of being duplicated in it.
234 lines
7.6 KiB
C++
234 lines
7.6 KiB
C++
// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
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#include "GLGizmoMove.hpp"
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#include "slic3r/GUI/GLCanvas3D.hpp"
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#include "slic3r/GUI/GUI_App.hpp"
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#include <GL/glew.h>
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#include <wx/utils.h>
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namespace Slic3r {
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namespace GUI {
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const double GLGizmoMove3D::Offset = 10.0;
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GLGizmoMove3D::GLGizmoMove3D(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
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: GLGizmoBase(parent, icon_filename, sprite_id)
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, m_displacement(Vec3d::Zero())
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, m_snap_step(1.0)
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, m_starting_drag_position(Vec3d::Zero())
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, m_starting_box_center(Vec3d::Zero())
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, m_starting_box_bottom_center(Vec3d::Zero())
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{
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m_vbo_cone.init_from(make_cone(1., 1., 2*PI/36));
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}
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std::string GLGizmoMove3D::get_tooltip() const
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{
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const Selection& selection = m_parent.get_selection();
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bool show_position = selection.is_single_full_instance();
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const Vec3d& position = selection.get_bounding_box().center();
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if (m_hover_id == 0 || m_grabbers[0].dragging)
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return "X: " + format(show_position ? position(0) : m_displacement(0), 2);
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else if (m_hover_id == 1 || m_grabbers[1].dragging)
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return "Y: " + format(show_position ? position(1) : m_displacement(1), 2);
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else if (m_hover_id == 2 || m_grabbers[2].dragging)
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return "Z: " + format(show_position ? position(2) : m_displacement(2), 2);
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else
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return "";
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}
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bool GLGizmoMove3D::on_init()
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{
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for (int i = 0; i < 3; ++i) {
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m_grabbers.push_back(Grabber());
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}
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m_shortcut_key = WXK_CONTROL_M;
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return true;
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}
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std::string GLGizmoMove3D::on_get_name() const
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{
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return _u8L("Move");
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}
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bool GLGizmoMove3D::on_is_activable() const
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{
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return !m_parent.get_selection().is_empty();
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}
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void GLGizmoMove3D::on_start_dragging()
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{
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if (m_hover_id != -1) {
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m_displacement = Vec3d::Zero();
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const BoundingBoxf3& box = m_parent.get_selection().get_bounding_box();
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m_starting_drag_position = m_grabbers[m_hover_id].center;
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m_starting_box_center = box.center();
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m_starting_box_bottom_center = box.center();
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m_starting_box_bottom_center(2) = box.min(2);
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}
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}
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void GLGizmoMove3D::on_stop_dragging()
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{
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m_displacement = Vec3d::Zero();
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}
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void GLGizmoMove3D::on_update(const UpdateData& data)
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{
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if (m_hover_id == 0)
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m_displacement.x() = calc_projection(data);
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else if (m_hover_id == 1)
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m_displacement.y() = calc_projection(data);
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else if (m_hover_id == 2)
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m_displacement.z() = calc_projection(data);
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}
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void GLGizmoMove3D::on_render()
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{
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const Selection& selection = m_parent.get_selection();
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glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
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glsafe(::glEnable(GL_DEPTH_TEST));
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const BoundingBoxf3& box = selection.get_bounding_box();
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const Vec3d& center = box.center();
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// x axis
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m_grabbers[0].center = { box.max.x() + Offset, center.y(), center.z() };
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m_grabbers[0].color = AXES_COLOR[0];
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// y axis
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m_grabbers[1].center = { center.x(), box.max.y() + Offset, center.z() };
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m_grabbers[1].color = AXES_COLOR[1];
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// z axis
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m_grabbers[2].center = { center.x(), center.y(), box.max.z() + Offset };
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m_grabbers[2].color = AXES_COLOR[2];
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glsafe(::glLineWidth((m_hover_id != -1) ? 2.0f : 1.5f));
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if (m_hover_id == -1) {
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// draw axes
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for (unsigned int i = 0; i < 3; ++i) {
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if (m_grabbers[i].enabled) {
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glsafe(::glColor4fv(AXES_COLOR[i].data()));
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::glBegin(GL_LINES);
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::glVertex3dv(center.data());
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::glVertex3dv(m_grabbers[i].center.data());
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glsafe(::glEnd());
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}
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}
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// draw grabbers
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render_grabbers(box);
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for (unsigned int i = 0; i < 3; ++i) {
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if (m_grabbers[i].enabled)
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render_grabber_extension((Axis)i, box, false);
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}
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}
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else {
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// draw axis
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glsafe(::glColor4fv(AXES_COLOR[m_hover_id].data()));
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::glBegin(GL_LINES);
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::glVertex3dv(center.data());
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::glVertex3dv(m_grabbers[m_hover_id].center.data());
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glsafe(::glEnd());
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GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
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if (shader != nullptr) {
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shader->start_using();
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shader->set_uniform("emission_factor", 0.1f);
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// draw grabber
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float mean_size = (float)((box.size().x() + box.size().y() + box.size().z()) / 3.0);
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m_grabbers[m_hover_id].render(true, mean_size);
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shader->stop_using();
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}
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render_grabber_extension((Axis)m_hover_id, box, false);
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}
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}
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void GLGizmoMove3D::on_render_for_picking()
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{
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glsafe(::glDisable(GL_DEPTH_TEST));
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const BoundingBoxf3& box = m_parent.get_selection().get_bounding_box();
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render_grabbers_for_picking(box);
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render_grabber_extension(X, box, true);
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render_grabber_extension(Y, box, true);
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render_grabber_extension(Z, box, true);
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}
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double GLGizmoMove3D::calc_projection(const UpdateData& data) const
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{
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double projection = 0.0;
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Vec3d starting_vec = m_starting_drag_position - m_starting_box_center;
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double len_starting_vec = starting_vec.norm();
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if (len_starting_vec != 0.0) {
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Vec3d mouse_dir = data.mouse_ray.unit_vector();
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// finds the intersection of the mouse ray with the plane parallel to the camera viewport and passing throught the starting position
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// use ray-plane intersection see i.e. https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection algebric form
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// in our case plane normal and ray direction are the same (orthogonal view)
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// when moving to perspective camera the negative z unit axis of the camera needs to be transformed in world space and used as plane normal
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Vec3d inters = data.mouse_ray.a + (m_starting_drag_position - data.mouse_ray.a).dot(mouse_dir) / mouse_dir.squaredNorm() * mouse_dir;
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// vector from the starting position to the found intersection
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Vec3d inters_vec = inters - m_starting_drag_position;
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// finds projection of the vector along the staring direction
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projection = inters_vec.dot(starting_vec.normalized());
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}
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if (wxGetKeyState(WXK_SHIFT))
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projection = m_snap_step * (double)std::round(projection / m_snap_step);
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return projection;
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}
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void GLGizmoMove3D::render_grabber_extension(Axis axis, const BoundingBoxf3& box, bool picking) const
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{
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float mean_size = (float)((box.size().x() + box.size().y() + box.size().z()) / 3.0);
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double size = m_dragging ? (double)m_grabbers[axis].get_dragging_half_size(mean_size) : (double)m_grabbers[axis].get_half_size(mean_size);
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std::array<float, 4> color = m_grabbers[axis].color;
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if (!picking && m_hover_id != -1) {
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color[0] = 1.0f - color[0];
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color[1] = 1.0f - color[1];
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color[2] = 1.0f - color[2];
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color[3] = color[3];
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}
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GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
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if (shader == nullptr)
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return;
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const_cast<GLModel*>(&m_vbo_cone)->set_color(-1, color);
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if (!picking) {
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shader->start_using();
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shader->set_uniform("emission_factor", 0.1f);
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}
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(m_grabbers[axis].center.x(), m_grabbers[axis].center.y(), m_grabbers[axis].center.z()));
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if (axis == X)
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glsafe(::glRotated(90.0, 0.0, 1.0, 0.0));
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else if (axis == Y)
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glsafe(::glRotated(-90.0, 1.0, 0.0, 0.0));
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glsafe(::glTranslated(0.0, 0.0, 2.0 * size));
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glsafe(::glScaled(0.75 * size, 0.75 * size, 3.0 * size));
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m_vbo_cone.render();
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glsafe(::glPopMatrix());
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if (! picking)
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shader->stop_using();
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}
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} // namespace GUI
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} // namespace Slic3r
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