#include "GLGizmo.hpp" #include "../../libslic3r/Utils.hpp" #include <Eigen/Dense> #include <GL/glew.h> #include <iostream> static const float DEFAULT_BASE_COLOR[3] = { 0.625f, 0.625f, 0.625f }; static const float DEFAULT_DRAG_COLOR[3] = { 1.0f, 1.0f, 1.0f }; static const float DEFAULT_HIGHLIGHT_COLOR[3] = { 1.0f, 0.38f, 0.0f }; static const float RED[3] = { 1.0f, 0.0f, 0.0f }; static const float GREEN[3] = { 0.0f, 1.0f, 0.0f }; static const float BLUE[3] = { 0.0f, 0.0f, 1.0f }; namespace Slic3r { namespace GUI { const float GLGizmoBase::Grabber::HalfSize = 2.0f; const float GLGizmoBase::Grabber::DraggingScaleFactor = 1.25f; GLGizmoBase::Grabber::Grabber() : center(Pointf3(0.0, 0.0, 0.0)) , angle_x(0.0f) , angle_y(0.0f) , angle_z(0.0f) , dragging(false) { color[0] = 1.0f; color[1] = 1.0f; color[2] = 1.0f; } void GLGizmoBase::Grabber::render(bool hover) const { float render_color[3]; if (hover) { render_color[0] = 1.0f - color[0]; render_color[1] = 1.0f - color[1]; render_color[2] = 1.0f - color[2]; } else ::memcpy((void*)render_color, (const void*)color, 3 * sizeof(float)); render(render_color); } void GLGizmoBase::Grabber::render(const float* render_color) const { float half_size = dragging ? HalfSize * DraggingScaleFactor : HalfSize; float min_x = -half_size; float max_x = +half_size; float min_y = -half_size; float max_y = +half_size; ::glColor3f((GLfloat)render_color[0], (GLfloat)render_color[1], (GLfloat)render_color[2]); ::glPushMatrix(); ::glTranslatef((GLfloat)center.x, (GLfloat)center.y, (GLfloat)center.z); float rad_to_deg = 180.0f / (GLfloat)PI; ::glRotatef((GLfloat)angle_x * rad_to_deg, 1.0f, 0.0f, 0.0f); ::glRotatef((GLfloat)angle_y * rad_to_deg, 0.0f, 1.0f, 0.0f); ::glRotatef((GLfloat)angle_z * rad_to_deg, 0.0f, 0.0f, 1.0f); ::glDisable(GL_CULL_FACE); ::glBegin(GL_TRIANGLES); ::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f); ::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f); ::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f); ::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f); ::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f); ::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f); ::glEnd(); ::glEnable(GL_CULL_FACE); ::glPopMatrix(); } GLGizmoBase::GLGizmoBase() : m_group_id(-1) , m_state(Off) , m_hover_id(-1) , m_is_container(false) { ::memcpy((void*)m_base_color, (const void*)DEFAULT_BASE_COLOR, 3 * sizeof(float)); ::memcpy((void*)m_drag_color, (const void*)DEFAULT_DRAG_COLOR, 3 * sizeof(float)); ::memcpy((void*)m_highlight_color, (const void*)DEFAULT_HIGHLIGHT_COLOR, 3 * sizeof(float)); } void GLGizmoBase::set_hover_id(int id) { if (m_is_container || (id < (int)m_grabbers.size())) { m_hover_id = id; on_set_hover_id(); } } void GLGizmoBase::set_highlight_color(const float* color) { if (color != nullptr) ::memcpy((void*)m_highlight_color, (const void*)color, 3 * sizeof(float)); } void GLGizmoBase::start_dragging() { for (int i = 0; i < (int)m_grabbers.size(); ++i) { m_grabbers[i].dragging = (m_hover_id == i); } on_start_dragging(); } void GLGizmoBase::stop_dragging() { for (int i = 0; i < (int)m_grabbers.size(); ++i) { m_grabbers[i].dragging = false; } on_stop_dragging(); } void GLGizmoBase::update(const Linef3& mouse_ray) { if (m_hover_id != -1) on_update(mouse_ray); } float GLGizmoBase::picking_color_component(unsigned int id) const { int color = 254 - (int)id; if (m_group_id > -1) color -= m_group_id; return (float)color / 255.0f; } void GLGizmoBase::render_grabbers() const { for (int i = 0; i < (int)m_grabbers.size(); ++i) { m_grabbers[i].render(m_hover_id == i); } } void GLGizmoBase::render_grabbers_for_picking() const { for (int i = 0; i < (int)m_grabbers.size(); ++i) { m_grabbers[i].render_for_picking(); } } const float GLGizmoRotate::Offset = 5.0f; const unsigned int GLGizmoRotate::CircleResolution = 64; const unsigned int GLGizmoRotate::AngleResolution = 64; const unsigned int GLGizmoRotate::ScaleStepsCount = 72; const float GLGizmoRotate::ScaleStepRad = 2.0f * (float)PI / GLGizmoRotate::ScaleStepsCount; const unsigned int GLGizmoRotate::ScaleLongEvery = 2; const float GLGizmoRotate::ScaleLongTooth = 2.0f; const float GLGizmoRotate::ScaleShortTooth = 1.0f; const unsigned int GLGizmoRotate::SnapRegionsCount = 8; const float GLGizmoRotate::GrabberOffset = 5.0f; GLGizmoRotate::GLGizmoRotate(GLGizmoRotate::Axis axis) : GLGizmoBase() , m_axis(axis) , m_angle(0.0f) , m_center(Pointf3(0.0, 0.0, 0.0)) , m_radius(0.0f) , m_keep_initial_values(false) { } void GLGizmoRotate::set_angle(float angle) { if (std::abs(angle - 2.0f * PI) < EPSILON) angle = 0.0f; m_angle = angle; } bool GLGizmoRotate::on_init() { #if !ENABLE_GIZMOS_3D std::string path = resources_dir() + "/icons/overlay/"; std::string filename = path + "rotate_off.png"; if (!m_textures[Off].load_from_file(filename, false)) return false; filename = path + "rotate_hover.png"; if (!m_textures[Hover].load_from_file(filename, false)) return false; filename = path + "rotate_on.png"; if (!m_textures[On].load_from_file(filename, false)) return false; #endif // !ENABLE_GIZMOS_3D m_grabbers.push_back(Grabber()); return true; } void GLGizmoRotate::on_update(const Linef3& mouse_ray) { Pointf mouse_pos = mouse_position_in_local_plane(mouse_ray); Vectorf orig_dir(1.0, 0.0); Vectorf new_dir = normalize(mouse_pos); coordf_t theta = ::acos(clamp(-1.0, 1.0, dot(new_dir, orig_dir))); if (cross(orig_dir, new_dir) < 0.0) theta = 2.0 * (coordf_t)PI - theta; // snap double len = length(mouse_pos); double in_radius = (double)m_radius / 3.0; double out_radius = 2.0 * (double)in_radius; if ((in_radius <= len) && (len <= out_radius)) { coordf_t step = 2.0 * (coordf_t)PI / (coordf_t)SnapRegionsCount; theta = step * (coordf_t)std::round(theta / step); } if (theta == 2.0 * (coordf_t)PI) theta = 0.0; m_angle = (float)theta; } void GLGizmoRotate::on_render(const BoundingBoxf3& box) const { ::glDisable(GL_DEPTH_TEST); if (!m_keep_initial_values) { const Pointf3& size = box.size(); m_center = box.center(); #if !ENABLE_GIZMOS_3D m_center.z = 0.0; #endif // !ENABLE_GIZMOS_3D #if ENABLE_GIZMOS_3D m_radius = Offset + box.radius(); #else m_radius = Offset + ::sqrt(sqr(0.5f * size.x) + sqr(0.5f * size.y)); #endif // ENABLE_GIZMOS_3D m_keep_initial_values = true; } ::glPushMatrix(); transform_to_local(); ::glLineWidth(2.0f); #if ENABLE_GIZMOS_3D ::glColor3fv((m_hover_id != -1) ? m_drag_color : m_base_color); #else ::glColor3fv(m_drag_color); #endif // ENABLE_GIZMOS_3D render_circle(); #if ENABLE_GIZMOS_3D if (m_hover_id != -1) { #endif // ENABLE_GIZMOS_3D render_scale(); render_snap_radii(); render_reference_radius(); #if ENABLE_GIZMOS_3D } #endif // ENABLE_GIZMOS_3D ::glColor3fv(m_highlight_color); #if ENABLE_GIZMOS_3D if (m_hover_id != -1) #endif // ENABLE_GIZMOS_3D render_angle(); render_grabber(); ::glPopMatrix(); } void GLGizmoRotate::on_render_for_picking(const BoundingBoxf3& box) const { ::glDisable(GL_DEPTH_TEST); ::glPushMatrix(); transform_to_local(); m_grabbers[0].color[0] = 1.0f; m_grabbers[0].color[1] = 1.0f; m_grabbers[0].color[2] = picking_color_component(0); render_grabbers_for_picking(); ::glPopMatrix(); } void GLGizmoRotate::render_circle() const { ::glBegin(GL_LINE_LOOP); for (unsigned int i = 0; i < ScaleStepsCount; ++i) { float angle = (float)i * ScaleStepRad; float x = ::cos(angle) * m_radius; float y = ::sin(angle) * m_radius; float z = 0.0f; ::glVertex3f((GLfloat)x, (GLfloat)y, (GLfloat)z); } ::glEnd(); } void GLGizmoRotate::render_scale() const { float out_radius_long = m_radius + ScaleLongTooth; float out_radius_short = m_radius + ScaleShortTooth; ::glBegin(GL_LINES); for (unsigned int i = 0; i < ScaleStepsCount; ++i) { float angle = (float)i * ScaleStepRad; float cosa = ::cos(angle); float sina = ::sin(angle); float in_x = cosa * m_radius; float in_y = sina * m_radius; float in_z = 0.0f; float out_x = (i % ScaleLongEvery == 0) ? cosa * out_radius_long : cosa * out_radius_short; float out_y = (i % ScaleLongEvery == 0) ? sina * out_radius_long : sina * out_radius_short; float out_z = 0.0f; ::glVertex3f((GLfloat)in_x, (GLfloat)in_y, (GLfloat)in_z); ::glVertex3f((GLfloat)out_x, (GLfloat)out_y, (GLfloat)out_z); } ::glEnd(); } void GLGizmoRotate::render_snap_radii() const { float step = 2.0f * (float)PI / (float)SnapRegionsCount; float in_radius = m_radius / 3.0f; float out_radius = 2.0f * in_radius; ::glBegin(GL_LINES); for (unsigned int i = 0; i < SnapRegionsCount; ++i) { float angle = (float)i * step; float cosa = ::cos(angle); float sina = ::sin(angle); float in_x = cosa * in_radius; float in_y = sina * in_radius; float in_z = 0.0f; float out_x = cosa * out_radius; float out_y = sina * out_radius; float out_z = 0.0f; ::glVertex3f((GLfloat)in_x, (GLfloat)in_y, (GLfloat)in_z); ::glVertex3f((GLfloat)out_x, (GLfloat)out_y, (GLfloat)out_z); } ::glEnd(); } void GLGizmoRotate::render_reference_radius() const { ::glBegin(GL_LINES); ::glVertex3f(0.0f, 0.0f, 0.0f); ::glVertex3f((GLfloat)(m_radius + GrabberOffset), 0.0f, 0.0f); ::glEnd(); } void GLGizmoRotate::render_angle() const { float step_angle = m_angle / AngleResolution; float ex_radius = m_radius + GrabberOffset; ::glBegin(GL_LINE_STRIP); for (unsigned int i = 0; i <= AngleResolution; ++i) { float angle = (float)i * step_angle; float x = ::cos(angle) * ex_radius; float y = ::sin(angle) * ex_radius; float z = 0.0f; ::glVertex3f((GLfloat)x, (GLfloat)y, (GLfloat)z); } ::glEnd(); } void GLGizmoRotate::render_grabber() const { float grabber_radius = m_radius + GrabberOffset; m_grabbers[0].center.x = ::cos(m_angle) * grabber_radius; m_grabbers[0].center.y = ::sin(m_angle) * grabber_radius; m_grabbers[0].center.z = 0.0f; m_grabbers[0].angle_z = m_angle; #if ENABLE_GIZMOS_3D ::glColor3fv((m_hover_id != -1) ? m_drag_color : m_base_color); #else ::glColor3fv(m_drag_color); #endif // ENABLE_GIZMOS_3D ::glBegin(GL_LINES); ::glVertex3f(0.0f, 0.0f, 0.0f); ::glVertex3f((GLfloat)m_grabbers[0].center.x, (GLfloat)m_grabbers[0].center.y, (GLfloat)m_grabbers[0].center.z); ::glEnd(); ::memcpy((void*)m_grabbers[0].color, (const void*)m_highlight_color, 3 * sizeof(float)); render_grabbers(); } void GLGizmoRotate::transform_to_local() const { ::glTranslatef((GLfloat)m_center.x, (GLfloat)m_center.y, (GLfloat)m_center.z); switch (m_axis) { case X: { ::glRotatef(90.0f, 0.0f, 1.0f, 0.0f); ::glRotatef(90.0f, 0.0f, 0.0f, 1.0f); break; } case Y: { ::glRotatef(90.0f, 1.0f, 0.0f, 0.0f); ::glRotatef(180.0f, 0.0f, 0.0f, 1.0f); break; } default: case Z: { // no rotation break; } } } Pointf GLGizmoRotate::mouse_position_in_local_plane(const Linef3& mouse_ray) const { float half_pi = 0.5f * (float)PI; Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity(); switch (m_axis) { case X: { m.rotate(Eigen::AngleAxisf(-half_pi, Eigen::Vector3f::UnitZ())); m.rotate(Eigen::AngleAxisf(-half_pi, Eigen::Vector3f::UnitY())); break; } case Y: { m.rotate(Eigen::AngleAxisf(-(float)PI, Eigen::Vector3f::UnitZ())); m.rotate(Eigen::AngleAxisf(-half_pi, Eigen::Vector3f::UnitX())); break; } default: case Z: { // no rotation applied break; } } m.translate(Eigen::Vector3f((float)-m_center.x, (float)-m_center.y, (float)-m_center.z)); Eigen::Matrix<float, 3, 2> world_ray; Eigen::Matrix<float, 3, 2> local_ray; world_ray(0, 0) = (float)mouse_ray.a.x; world_ray(1, 0) = (float)mouse_ray.a.y; world_ray(2, 0) = (float)mouse_ray.a.z; world_ray(0, 1) = (float)mouse_ray.b.x; world_ray(1, 1) = (float)mouse_ray.b.y; world_ray(2, 1) = (float)mouse_ray.b.z; local_ray = m * world_ray.colwise().homogeneous(); return Linef3(Pointf3(local_ray(0, 0), local_ray(1, 0), local_ray(2, 0)), Pointf3(local_ray(0, 1), local_ray(1, 1), local_ray(2, 1))).intersect_plane(0.0); } GLGizmoRotate3D::GLGizmoRotate3D() : GLGizmoBase() , m_x(GLGizmoRotate::X) , m_y(GLGizmoRotate::Y) , m_z(GLGizmoRotate::Z) { m_is_container = true; m_x.set_group_id(0); m_y.set_group_id(1); m_z.set_group_id(2); } bool GLGizmoRotate3D::on_init() { if (!m_x.init() || !m_y.init() || !m_z.init()) return false; m_x.set_highlight_color(RED); m_y.set_highlight_color(GREEN); m_z.set_highlight_color(BLUE); std::string path = resources_dir() + "/icons/overlay/"; std::string filename = path + "rotate_off.png"; if (!m_textures[Off].load_from_file(filename, false)) return false; filename = path + "rotate_hover.png"; if (!m_textures[Hover].load_from_file(filename, false)) return false; filename = path + "rotate_on.png"; if (!m_textures[On].load_from_file(filename, false)) return false; return true; } void GLGizmoRotate3D::on_start_dragging() { switch (m_hover_id) { case 0: { m_x.start_dragging(); break; } case 1: { m_y.start_dragging(); break; } case 2: { m_z.start_dragging(); break; } default: { break; } } } void GLGizmoRotate3D::on_stop_dragging() { switch (m_hover_id) { case 0: { m_x.stop_dragging(); break; } case 1: { m_y.stop_dragging(); break; } case 2: { m_z.stop_dragging(); break; } default: { break; } } } void GLGizmoRotate3D::on_render(const BoundingBoxf3& box) const { if ((m_hover_id == -1) || (m_hover_id == 0)) m_x.render(box); if ((m_hover_id == -1) || (m_hover_id == 1)) m_y.render(box); if ((m_hover_id == -1) || (m_hover_id == 2)) m_z.render(box); } const float GLGizmoScale::Offset = 5.0f; GLGizmoScale::GLGizmoScale() : GLGizmoBase() , m_scale(1.0f) , m_starting_scale(1.0f) { } bool GLGizmoScale::on_init() { std::string path = resources_dir() + "/icons/overlay/"; std::string filename = path + "scale_off.png"; if (!m_textures[Off].load_from_file(filename, false)) return false; filename = path + "scale_hover.png"; if (!m_textures[Hover].load_from_file(filename, false)) return false; filename = path + "scale_on.png"; if (!m_textures[On].load_from_file(filename, false)) return false; for (unsigned int i = 0; i < 4; ++i) { m_grabbers.push_back(Grabber()); } return true; } void GLGizmoScale::on_start_dragging() { if (m_hover_id != -1) m_starting_drag_position = m_grabbers[m_hover_id].center; } void GLGizmoScale::on_update(const Linef3& mouse_ray) { Pointf mouse_pos = mouse_ray.intersect_plane(0.0); Pointf center(0.5 * (m_grabbers[1].center.x + m_grabbers[0].center.x), 0.5 * (m_grabbers[3].center.y + m_grabbers[0].center.y)); coordf_t orig_len = length(m_starting_drag_position - center); coordf_t new_len = length(mouse_pos - center); coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0; m_scale = m_starting_scale * (float)ratio; } void GLGizmoScale::on_render(const BoundingBoxf3& box) const { ::glDisable(GL_DEPTH_TEST); coordf_t min_x = box.min.x - (coordf_t)Offset; coordf_t max_x = box.max.x + (coordf_t)Offset; coordf_t min_y = box.min.y - (coordf_t)Offset; coordf_t max_y = box.max.y + (coordf_t)Offset; m_grabbers[0].center.x = min_x; m_grabbers[0].center.y = min_y; m_grabbers[1].center.x = max_x; m_grabbers[1].center.y = min_y; m_grabbers[2].center.x = max_x; m_grabbers[2].center.y = max_y; m_grabbers[3].center.x = min_x; m_grabbers[3].center.y = max_y; ::glLineWidth(2.0f); ::glColor3fv(m_drag_color); // draw outline ::glBegin(GL_LINE_LOOP); for (unsigned int i = 0; i < 4; ++i) { ::glVertex3f((GLfloat)m_grabbers[i].center.x, (GLfloat)m_grabbers[i].center.y, 0.0f); } ::glEnd(); // draw grabbers for (unsigned int i = 0; i < 4; ++i) { ::memcpy((void*)m_grabbers[i].color, (const void*)m_highlight_color, 3 * sizeof(float)); } render_grabbers(); } void GLGizmoScale::on_render_for_picking(const BoundingBoxf3& box) const { ::glDisable(GL_DEPTH_TEST); for (unsigned int i = 0; i < 4; ++i) { m_grabbers[i].color[0] = 1.0f; m_grabbers[i].color[1] = 1.0f; m_grabbers[i].color[2] = picking_color_component(i); } render_grabbers_for_picking(); } const float GLGizmoScale3D::Offset = 5.0f; GLGizmoScale3D::GLGizmoScale3D() : GLGizmoBase() , m_scale_x(1.0f) , m_scale_y(1.0f) , m_scale_z(1.0f) , m_starting_scale_x(1.0f) , m_starting_scale_y(1.0f) , m_starting_scale_z(1.0f) { } bool GLGizmoScale3D::on_init() { std::string path = resources_dir() + "/icons/overlay/"; std::string filename = path + "scale_off.png"; if (!m_textures[Off].load_from_file(filename, false)) return false; filename = path + "scale_hover.png"; if (!m_textures[Hover].load_from_file(filename, false)) return false; filename = path + "scale_on.png"; if (!m_textures[On].load_from_file(filename, false)) return false; for (unsigned int i = 0; i < 7; ++i) { m_grabbers.push_back(Grabber()); } float half_pi = 0.5f * (float)PI; // x axis m_grabbers[0].angle_y = half_pi; m_grabbers[1].angle_y = half_pi; // y axis m_grabbers[2].angle_x = half_pi; m_grabbers[3].angle_x = half_pi; return true; } void GLGizmoScale3D::on_start_dragging() { if (m_hover_id != -1) m_starting_drag_position = m_grabbers[m_hover_id].center; } void GLGizmoScale3D::on_update(const Linef3& mouse_ray) { if ((m_hover_id == 0) || (m_hover_id == 1)) do_scale_x(mouse_ray); else if ((m_hover_id == 2) || (m_hover_id == 3)) do_scale_y(mouse_ray); else if ((m_hover_id == 4) || (m_hover_id == 5)) do_scale_z(mouse_ray); else if (m_hover_id == 6) do_scale_uniform(mouse_ray); } void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const { ::glDisable(GL_DEPTH_TEST); Vectorf3 offset_vec((coordf_t)Offset, (coordf_t)Offset, (coordf_t)Offset); m_box = BoundingBoxf3(box.min - offset_vec, box.max + offset_vec); const Pointf3& center = m_box.center(); // x axis m_grabbers[0].center.x = m_box.min.x; m_grabbers[0].center.y = center.y; m_grabbers[0].center.z = center.z; m_grabbers[1].center.x = m_box.max.x; m_grabbers[1].center.y = center.y; m_grabbers[1].center.z = center.z; // y axis m_grabbers[2].center.x = center.x; m_grabbers[2].center.y = m_box.min.y; m_grabbers[2].center.z = center.z; m_grabbers[3].center.x = center.x; m_grabbers[3].center.y = m_box.max.y; m_grabbers[3].center.z = center.z; // z axis m_grabbers[4].center.x = center.x; m_grabbers[4].center.y = center.y; m_grabbers[4].center.z = m_box.min.z; m_grabbers[5].center.x = center.x; m_grabbers[5].center.y = center.y; m_grabbers[5].center.z = m_box.max.z; // uniform m_grabbers[6].center = m_box.min; ::memcpy((void*)m_grabbers[0].color, (const void*)RED, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[1].color, (const void*)RED, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[2].color, (const void*)GREEN, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[3].color, (const void*)GREEN, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[4].color, (const void*)BLUE, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[5].color, (const void*)BLUE, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[6].color, (const void*)m_highlight_color, 3 * sizeof(float)); ::glLineWidth(2.0f); if (m_hover_id == -1) { // draw box ::glColor3fv(m_base_color); render_box_x_faces(); render_box_y_faces(); render_box_z_faces(); // draw grabbers render_grabbers(); } else if ((m_hover_id == 0) || (m_hover_id == 1)) { ::glColor3fv(m_drag_color); render_box_x_faces(); m_grabbers[0].render(true); m_grabbers[1].render(true); } else if ((m_hover_id == 2) || (m_hover_id == 3)) { ::glColor3fv(m_drag_color); render_box_y_faces(); m_grabbers[2].render(true); m_grabbers[3].render(true); } else if ((m_hover_id == 4) || (m_hover_id == 5)) { ::glColor3fv(m_drag_color); render_box_z_faces(); m_grabbers[4].render(true); m_grabbers[5].render(true); } else if (m_hover_id == 6) { ::glColor3fv(m_drag_color); render_box_x_faces(); render_box_y_faces(); render_box_z_faces(); m_grabbers[6].render(true); } } void GLGizmoScale3D::on_render_for_picking(const BoundingBoxf3& box) const { ::glDisable(GL_DEPTH_TEST); for (unsigned int i = 0; i < 7; ++i) { m_grabbers[i].color[0] = 1.0f; m_grabbers[i].color[1] = 1.0f; m_grabbers[i].color[2] = picking_color_component(i); } render_grabbers_for_picking(); } void GLGizmoScale3D::render_box_x_faces() const { ::glBegin(GL_LINE_LOOP); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.min.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.min.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.max.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.max.y, (GLfloat)m_box.min.z); ::glEnd(); ::glBegin(GL_LINE_LOOP); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.min.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.min.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.max.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.max.y, (GLfloat)m_box.min.z); ::glEnd(); } void GLGizmoScale3D::render_box_y_faces() const { ::glBegin(GL_LINE_LOOP); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.min.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.min.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.min.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.min.y, (GLfloat)m_box.min.z); ::glEnd(); ::glBegin(GL_LINE_LOOP); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.max.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.max.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.max.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.max.y, (GLfloat)m_box.min.z); ::glEnd(); } void GLGizmoScale3D::render_box_z_faces() const { ::glBegin(GL_LINE_LOOP); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.max.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.min.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.min.y, (GLfloat)m_box.min.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.max.y, (GLfloat)m_box.min.z); ::glEnd(); ::glBegin(GL_LINE_LOOP); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.max.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.min.x, (GLfloat)m_box.min.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.min.y, (GLfloat)m_box.max.z); ::glVertex3f((GLfloat)m_box.max.x, (GLfloat)m_box.max.y, (GLfloat)m_box.max.z); ::glEnd(); } Linef3 transform(const Linef3& line, const Eigen::Transform<float, 3, Eigen::Affine>& t) { Eigen::Matrix<float, 3, 2> world_line; Eigen::Matrix<float, 3, 2> local_line; world_line(0, 0) = (float)line.a.x; world_line(1, 0) = (float)line.a.y; world_line(2, 0) = (float)line.a.z; world_line(0, 1) = (float)line.b.x; world_line(1, 1) = (float)line.b.y; world_line(2, 1) = (float)line.b.z; local_line = t * world_line.colwise().homogeneous(); return Linef3(Pointf3(local_line(0, 0), local_line(1, 0), local_line(2, 0)), Pointf3(local_line(0, 1), local_line(1, 1), local_line(2, 1))); } void GLGizmoScale3D::do_scale_x(const Linef3& mouse_ray) { // calculates the intersection of the mouse ray with the plane parallel to plane XY and passing through the box center const Pointf3& center = m_box.center(); Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity(); m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)center.z)); Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0); coordf_t orig_len = length(m_starting_drag_position - center); coordf_t new_len = length(mouse_pos); coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0; m_scale_x = m_starting_scale_x * (float)ratio; } void GLGizmoScale3D::do_scale_y(const Linef3& mouse_ray) { // calculates the intersection of the mouse ray with the plane parallel to plane XY and passing through the box center const Pointf3& center = m_box.center(); Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity(); m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)center.z)); Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0); coordf_t orig_len = length(m_starting_drag_position - center); coordf_t new_len = length(mouse_pos); coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0; m_scale_x = m_starting_scale_y * (float)ratio; // m_scale_y = m_starting_scale_y * (float)ratio; } void GLGizmoScale3D::do_scale_z(const Linef3& mouse_ray) { // calculates the intersection of the mouse ray with the plane parallel to plane XZ and passing through the box center const Pointf3& center = m_box.center(); Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity(); m.rotate(Eigen::AngleAxisf(0.5f * (float)PI, Eigen::Vector3f::UnitX())); m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)center.z)); Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0); coordf_t orig_len = length(m_starting_drag_position - center); coordf_t new_len = length(mouse_pos); coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0; m_scale_x = m_starting_scale_z * (float)ratio; // m_scale_z = m_starting_scale_z * (float)ratio; if (m_scale_x > 10.0) { int a = 0; } } void GLGizmoScale3D::do_scale_uniform(const Linef3& mouse_ray) { // calculates the intersection of the mouse ray with the plane parallel to plane XY and passing through the box min point const Pointf3& center = m_box.center(); Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity(); m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)m_box.min.z)); Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0); coordf_t orig_len = length(m_starting_drag_position - center); coordf_t new_len = length(Vectorf3(mouse_pos.x, mouse_pos.y, m_box.min.z - center.z)); coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0; m_scale_x = m_starting_scale_y * (float)ratio; m_scale_y = m_starting_scale_y * (float)ratio; m_scale_z = m_starting_scale_z * (float)ratio; } } // namespace GUI } // namespace Slic3r