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PrusaSlicer/src/slic3r/GUI/Gizmos/GLGizmoScale.cpp

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// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
#include "GLGizmoScale.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#if ENABLE_WORLD_COORDINATE
#include "slic3r/GUI/GUI_ObjectManipulation.hpp"
#endif // ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Plater.hpp"
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#include <GL/glew.h>
#include <wx/utils.h>
namespace Slic3r {
namespace GUI {
const double GLGizmoScale3D::Offset = 5.0;
GLGizmoScale3D::GLGizmoScale3D(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
: GLGizmoBase(parent, icon_filename, sprite_id)
, m_scale(Vec3d::Ones())
, m_offset(Vec3d::Zero())
, m_snap_step(0.05)
, m_base_color(DEFAULT_BASE_COLOR)
, m_drag_color(DEFAULT_DRAG_COLOR)
, m_highlight_color(DEFAULT_HIGHLIGHT_COLOR)
{
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_grabber_connections[0].grabber_indices = { 0, 1 };
m_grabber_connections[1].grabber_indices = { 2, 3 };
m_grabber_connections[2].grabber_indices = { 4, 5 };
m_grabber_connections[3].grabber_indices = { 6, 7 };
m_grabber_connections[4].grabber_indices = { 7, 8 };
m_grabber_connections[5].grabber_indices = { 8, 9 };
m_grabber_connections[6].grabber_indices = { 9, 6 };
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
std::string GLGizmoScale3D::get_tooltip() const
{
const Selection& selection = m_parent.get_selection();
Vec3d scale = 100.0 * Vec3d::Ones();
if (selection.is_single_full_instance())
scale = 100.0 * selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_scaling_factor();
#if ENABLE_WORLD_COORDINATE
else if (selection.is_single_volume_or_modifier())
#else
else if (selection.is_single_modifier() || selection.is_single_volume())
#endif // ENABLE_WORLD_COORDINATE
scale = 100.0 * selection.get_volume(*selection.get_volume_idxs().begin())->get_volume_scaling_factor();
if (m_hover_id == 0 || m_hover_id == 1 || m_grabbers[0].dragging || m_grabbers[1].dragging)
return "X: " + format(scale.x(), 4) + "%";
else if (m_hover_id == 2 || m_hover_id == 3 || m_grabbers[2].dragging || m_grabbers[3].dragging)
return "Y: " + format(scale.y(), 4) + "%";
else if (m_hover_id == 4 || m_hover_id == 5 || m_grabbers[4].dragging || m_grabbers[5].dragging)
return "Z: " + format(scale.z(), 4) + "%";
else if (m_hover_id == 6 || m_hover_id == 7 || m_hover_id == 8 || m_hover_id == 9 ||
m_grabbers[6].dragging || m_grabbers[7].dragging || m_grabbers[8].dragging || m_grabbers[9].dragging)
{
std::string tooltip = "X: " + format(scale.x(), 4) + "%\n";
tooltip += "Y: " + format(scale.y(), 4) + "%\n";
tooltip += "Z: " + format(scale.z(), 4) + "%";
return tooltip;
}
else
return "";
}
bool GLGizmoScale3D::on_mouse(const wxMouseEvent &mouse_event)
{
if (mouse_event.Dragging()) {
if (m_dragging) {
// Apply new temporary scale factors
TransformationType transformation_type(TransformationType::Local_Absolute_Joint);
if (mouse_event.AltDown()) transformation_type.set_independent();
Selection &selection = m_parent.get_selection();
selection.scale(get_scale(), transformation_type);
if (mouse_event.CmdDown()) selection.translate(m_offset, true);
}
}
return use_grabbers(mouse_event);
}
void GLGizmoScale3D::data_changed()
{
const Selection &selection = m_parent.get_selection();
bool enable_scale_xyz = selection.is_single_full_instance() ||
selection.is_single_volume() ||
selection.is_single_modifier();
for (unsigned int i = 0; i < 6; ++i)
m_grabbers[i].enabled = enable_scale_xyz;
if (enable_scale_xyz) {
// all volumes in the selection belongs to the same instance, any of
// them contains the needed data, so we take the first
const GLVolume *volume = selection.get_volume(*selection.get_volume_idxs().begin());
if (selection.is_single_full_instance()) {
set_scale(volume->get_instance_scaling_factor());
} else if (selection.is_single_volume() ||
selection.is_single_modifier()) {
set_scale(volume->get_volume_scaling_factor());
}
} else {
set_scale(Vec3d::Ones());
}
}
bool GLGizmoScale3D::on_init()
{
for (int i = 0; i < 10; ++i) {
m_grabbers.push_back(Grabber());
}
#if !ENABLE_WORLD_COORDINATE
double half_pi = 0.5 * (double)PI;
// x axis
m_grabbers[0].angles.y() = half_pi;
m_grabbers[1].angles.y() = half_pi;
// y axis
m_grabbers[2].angles.x() = half_pi;
m_grabbers[3].angles.x() = half_pi;
#endif // !ENABLE_WORLD_COORDINATE
m_shortcut_key = WXK_CONTROL_S;
return true;
}
std::string GLGizmoScale3D::on_get_name() const
{
return _u8L("Scale");
}
bool GLGizmoScale3D::on_is_activable() const
{
const Selection& selection = m_parent.get_selection();
return !selection.is_empty() && !selection.is_wipe_tower();
}
void GLGizmoScale3D::on_start_dragging()
{
if (m_hover_id != -1) {
m_starting.ctrl_down = wxGetKeyState(WXK_CONTROL);
#if ENABLE_WORLD_COORDINATE
m_starting.drag_position = m_grabbers_transform * m_grabbers[m_hover_id].center;
m_starting.box = m_bounding_box;
m_starting.center = m_center;
m_starting.instance_center = m_instance_center;
#else
m_starting.drag_position = m_grabbers[m_hover_id].center;
m_starting.box = (m_starting.ctrl_down && m_hover_id < 6) ? m_bounding_box : m_parent.get_selection().get_bounding_box();
const Vec3d center = m_starting.box.center();
m_starting.pivots[0] = m_transform * Vec3d(m_starting.box.max.x(), center.y(), center.z());
m_starting.pivots[1] = m_transform * Vec3d(m_starting.box.min.x(), center.y(), center.z());
m_starting.pivots[2] = m_transform * Vec3d(center.x(), m_starting.box.max.y(), center.z());
m_starting.pivots[3] = m_transform * Vec3d(center.x(), m_starting.box.min.y(), center.z());
m_starting.pivots[4] = m_transform * Vec3d(center.x(), center.y(), m_starting.box.max.z());
m_starting.pivots[5] = m_transform * Vec3d(center.x(), center.y(), m_starting.box.min.z());
#endif // ENABLE_WORLD_COORDINATE
}
}
void GLGizmoScale3D::on_stop_dragging() {
m_parent.do_scale(L("Gizmo-Scale"));
}
void GLGizmoScale3D::on_dragging(const UpdateData& data)
{
if (m_hover_id == 0 || m_hover_id == 1)
do_scale_along_axis(X, data);
else if (m_hover_id == 2 || m_hover_id == 3)
do_scale_along_axis(Y, data);
else if (m_hover_id == 4 || m_hover_id == 5)
do_scale_along_axis(Z, data);
else if (m_hover_id >= 6)
do_scale_uniform(data);
}
void GLGizmoScale3D::on_render()
{
const Selection& selection = m_parent.get_selection();
glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
glsafe(::glEnable(GL_DEPTH_TEST));
m_bounding_box.reset();
#if ENABLE_WORLD_COORDINATE
m_grabbers_transform = Transform3d::Identity();
m_center = Vec3d::Zero();
m_instance_center = Vec3d::Zero();
#if ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
bool world_coordinates = wxGetApp().obj_manipul()->is_world_coordinates();
#else
bool world_coordinates = wxGetApp().obj_manipul()->get_world_coordinates();
#endif // ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
if (selection.is_single_full_instance() && !world_coordinates) {
#else
m_transform = Transform3d::Identity();
// Transforms grabbers' offsets to world refefence system
Transform3d offsets_transform = Transform3d::Identity();
m_offsets_transform = Transform3d::Identity();
Vec3d angles = Vec3d::Zero();
if (selection.is_single_full_instance()) {
#endif // ENABLE_WORLD_COORDINATE
// calculate bounding box in instance local reference system
const Selection::IndicesList& idxs = selection.get_volume_idxs();
for (unsigned int idx : idxs) {
const GLVolume& v = *selection.get_volume(idx);
#if ENABLE_WORLD_COORDINATE
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_volume_transformation().get_matrix()));
#else
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_volume_transformation().get_matrix()));
#endif // ENABLE_WORLD_COORDINATE
}
#if ENABLE_WORLD_COORDINATE
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*idxs.begin())->get_instance_transformation().get_matrix(true, true, false, true));
#endif // ENABLE_WORLD_COORDINATE
// gets transform from first selected volume
const GLVolume& v = *selection.get_volume(*idxs.begin());
#if ENABLE_WORLD_COORDINATE
m_grabbers_transform = v.get_instance_transformation().get_matrix(false, false, true) * Geometry::assemble_transform(m_bounding_box.center());
m_center = selection.get_volume(*idxs.begin())->get_instance_transformation().get_matrix(false, false, true, false) * m_bounding_box.center();
m_instance_center = v.get_instance_offset();
#else
m_transform = v.get_instance_transformation().get_matrix();
// gets angles from first selected volume
angles = v.get_instance_rotation();
// consider rotation+mirror only components of the transform for offsets
offsets_transform = Geometry::assemble_transform(Vec3d::Zero(), angles, Vec3d::Ones(), v.get_instance_mirror());
m_offsets_transform = offsets_transform;
#endif // ENABLE_WORLD_COORDINATE
}
#if ENABLE_WORLD_COORDINATE
else if (selection.is_single_volume_or_modifier() && !world_coordinates) {
#else
else if (selection.is_single_modifier() || selection.is_single_volume()) {
#endif // ENABLE_WORLD_COORDINATE
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_WORLD_COORDINATE
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_instance_transformation().get_matrix(true, true, false, true) * v.get_volume_transformation().get_matrix(true, true, false, true)));
Geometry::Transformation trafo(v.get_instance_transformation().get_matrix(true, false, true) * v.get_volume_transformation().get_matrix(true, false, true));
trafo.set_offset(v.world_matrix().translation());
m_grabbers_transform = trafo.get_matrix();
m_center = v.world_matrix() * m_bounding_box.center();
m_instance_center = m_center;
}
else {
m_bounding_box = selection.get_bounding_box();
m_grabbers_transform = Geometry::assemble_transform(m_bounding_box.center());
m_center = m_bounding_box.center();
m_instance_center = selection.is_single_full_instance() ? selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_offset() : m_center;
}
#else
m_bounding_box = v.bounding_box();
m_transform = v.world_matrix();
angles = Geometry::extract_euler_angles(m_transform);
// consider rotation+mirror only components of the transform for offsets
offsets_transform = Geometry::assemble_transform(Vec3d::Zero(), angles, Vec3d::Ones(), v.get_instance_mirror());
m_offsets_transform = Geometry::assemble_transform(Vec3d::Zero(), v.get_volume_rotation(), Vec3d::Ones(), v.get_volume_mirror());
}
else
m_bounding_box = selection.get_bounding_box();
Vec3d offset_x = offsets_transform * (Offset * Vec3d::UnitX());
Vec3d offset_y = offsets_transform * (Offset * Vec3d::UnitY());
Vec3d offset_z = offsets_transform * (Offset * Vec3d::UnitZ());
bool ctrl_down = m_dragging && m_starting.ctrl_down || !m_dragging && wxGetKeyState(WXK_CONTROL);
#endif // ENABLE_WORLD_COORDINATE
#if ENABLE_WORLD_COORDINATE
// x axis
const Vec3d box_half_size = 0.5 * m_bounding_box.size();
bool use_constrain = wxGetKeyState(WXK_CONTROL) && (selection.is_single_full_instance() || selection.is_single_volume_or_modifier());
m_grabbers[0].center = { -(box_half_size.x() + Offset), 0.0, 0.0 };
m_grabbers[0].color = (use_constrain && m_hover_id == 1) ? CONSTRAINED_COLOR : AXES_COLOR[0];
m_grabbers[1].center = { box_half_size.x() + Offset, 0.0, 0.0 };
m_grabbers[1].color = (use_constrain && m_hover_id == 0) ? CONSTRAINED_COLOR : AXES_COLOR[0];
// y axis
m_grabbers[2].center = { 0.0, -(box_half_size.y() + Offset), 0.0 };
m_grabbers[2].color = (use_constrain && m_hover_id == 3) ? CONSTRAINED_COLOR : AXES_COLOR[1];
m_grabbers[3].center = { 0.0, box_half_size.y() + Offset, 0.0 };
m_grabbers[3].color = (use_constrain && m_hover_id == 2) ? CONSTRAINED_COLOR : AXES_COLOR[1];
// z axis
m_grabbers[4].center = { 0.0, 0.0, -(box_half_size.z() + Offset) };
m_grabbers[4].color = (use_constrain && m_hover_id == 5) ? CONSTRAINED_COLOR : AXES_COLOR[2];
m_grabbers[5].center = { 0.0, 0.0, box_half_size.z() + Offset };
m_grabbers[5].color = (use_constrain && m_hover_id == 4) ? CONSTRAINED_COLOR : AXES_COLOR[2];
// uniform
m_grabbers[6].center = { -(box_half_size.x() + Offset), -(box_half_size.y() + Offset), 0.0 };
m_grabbers[6].color = (use_constrain && m_hover_id == 8) ? CONSTRAINED_COLOR : m_highlight_color;
m_grabbers[7].center = { box_half_size.x() + Offset, -(box_half_size.y() + Offset), 0.0 };
m_grabbers[7].color = (use_constrain && m_hover_id == 9) ? CONSTRAINED_COLOR : m_highlight_color;
m_grabbers[8].center = { box_half_size.x() + Offset, box_half_size.y() + Offset, 0.0 };
m_grabbers[8].color = (use_constrain && m_hover_id == 6) ? CONSTRAINED_COLOR : m_highlight_color;
m_grabbers[9].center = { -(box_half_size.x() + Offset), box_half_size.y() + Offset, 0.0 };
m_grabbers[9].color = (use_constrain && m_hover_id == 7) ? CONSTRAINED_COLOR : m_highlight_color;
#else
// x axis
const Vec3d center = m_bounding_box.center();
m_grabbers[0].center = m_transform * Vec3d(m_bounding_box.min.x(), center.y(), center.z()) - offset_x;
m_grabbers[0].color = (ctrl_down && m_hover_id == 1) ? CONSTRAINED_COLOR : AXES_COLOR[0];
m_grabbers[1].center = m_transform * Vec3d(m_bounding_box.max.x(), center.y(), center.z()) + offset_x;
m_grabbers[1].color = (ctrl_down && m_hover_id == 0) ? CONSTRAINED_COLOR : AXES_COLOR[0];
// y axis
m_grabbers[2].center = m_transform * Vec3d(center.x(), m_bounding_box.min.y(), center.z()) - offset_y;
m_grabbers[2].color = (ctrl_down && m_hover_id == 3) ? CONSTRAINED_COLOR : AXES_COLOR[1];
m_grabbers[3].center = m_transform * Vec3d(center.x(), m_bounding_box.max.y(), center.z()) + offset_y;
m_grabbers[3].color = (ctrl_down && m_hover_id == 2) ? CONSTRAINED_COLOR : AXES_COLOR[1];
// z axis
m_grabbers[4].center = m_transform * Vec3d(center.x(), center.y(), m_bounding_box.min.z()) - offset_z;
m_grabbers[4].color = (ctrl_down && m_hover_id == 5) ? CONSTRAINED_COLOR : AXES_COLOR[2];
m_grabbers[5].center = m_transform * Vec3d(center.x(), center.y(), m_bounding_box.max.z()) + offset_z;
m_grabbers[5].color = (ctrl_down && m_hover_id == 4) ? CONSTRAINED_COLOR : AXES_COLOR[2];
// uniform
m_grabbers[6].center = m_transform * Vec3d(m_bounding_box.min.x(), m_bounding_box.min.y(), center.z()) - offset_x - offset_y;
m_grabbers[7].center = m_transform * Vec3d(m_bounding_box.max.x(), m_bounding_box.min.y(), center.z()) + offset_x - offset_y;
m_grabbers[8].center = m_transform * Vec3d(m_bounding_box.max.x(), m_bounding_box.max.y(), center.z()) + offset_x + offset_y;
m_grabbers[9].center = m_transform * Vec3d(m_bounding_box.min.x(), m_bounding_box.max.y(), center.z()) - offset_x + offset_y;
for (int i = 6; i < 10; ++i) {
m_grabbers[i].color = m_highlight_color;
}
// sets grabbers orientation
for (int i = 0; i < 10; ++i) {
m_grabbers[i].angles = angles;
}
#endif // ENABLE_WORLD_COORDINATE
glsafe(::glLineWidth((m_hover_id != -1) ? 2.0f : 1.5f));
#if ENABLE_WORLD_COORDINATE
glsafe(::glPushMatrix());
transform_to_local(selection);
float grabber_mean_size = (float)((m_bounding_box.size().x() + m_bounding_box.size().y() + m_bounding_box.size().z()) / 3.0);
#else
const BoundingBoxf3& selection_box = selection.get_bounding_box();
const float grabber_mean_size = (float)((selection_box.size().x() + selection_box.size().y() + selection_box.size().z()) / 3.0);
#endif // ENABLE_WORLD_COORDINATE
if (m_hover_id == -1) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
// draw connections
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (m_grabbers[0].enabled && m_grabbers[1].enabled)
render_grabbers_connection(0, 1, m_grabbers[0].color);
if (m_grabbers[2].enabled && m_grabbers[3].enabled)
render_grabbers_connection(2, 3, m_grabbers[2].color);
if (m_grabbers[4].enabled && m_grabbers[5].enabled)
render_grabbers_connection(4, 5, m_grabbers[4].color);
render_grabbers_connection(6, 7, m_base_color);
render_grabbers_connection(7, 8, m_base_color);
render_grabbers_connection(8, 9, m_base_color);
render_grabbers_connection(9, 6, m_base_color);
shader->stop_using();
}
#else
// draw connections
if (m_grabbers[0].enabled && m_grabbers[1].enabled) {
glsafe(::glColor4fv(m_grabbers[0].color.data()));
render_grabbers_connection(0, 1);
}
if (m_grabbers[2].enabled && m_grabbers[3].enabled) {
glsafe(::glColor4fv(m_grabbers[2].color.data()));
render_grabbers_connection(2, 3);
}
if (m_grabbers[4].enabled && m_grabbers[5].enabled) {
glsafe(::glColor4fv(m_grabbers[4].color.data()));
render_grabbers_connection(4, 5);
}
glsafe(::glColor4fv(m_base_color.data()));
render_grabbers_connection(6, 7);
render_grabbers_connection(7, 8);
render_grabbers_connection(8, 9);
render_grabbers_connection(9, 6);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
// draw grabbers
render_grabbers(grabber_mean_size);
}
else if (m_hover_id == 0 || m_hover_id == 1) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
// draw connections
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
render_grabbers_connection(0, 1, m_grabbers[0].color);
shader->stop_using();
}
// draw grabbers
shader = wxGetApp().get_shader("gouraud_light");
#else
// draw connection
glsafe(::glColor4fv(AXES_COLOR[0].data()));
render_grabbers_connection(0, 1);
// draw grabbers
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
if (shader != nullptr) {
shader->start_using();
shader->set_uniform("emission_factor", 0.1f);
m_grabbers[0].render(true, grabber_mean_size);
m_grabbers[1].render(true, grabber_mean_size);
shader->stop_using();
}
}
else if (m_hover_id == 2 || m_hover_id == 3) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
// draw connections
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
render_grabbers_connection(2, 3, m_grabbers[2].color);
shader->stop_using();
}
// draw grabbers
shader = wxGetApp().get_shader("gouraud_light");
#else
// draw connection
glsafe(::glColor4fv(AXES_COLOR[1].data()));
render_grabbers_connection(2, 3);
// draw grabbers
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
if (shader != nullptr) {
shader->start_using();
shader->set_uniform("emission_factor", 0.1f);
m_grabbers[2].render(true, grabber_mean_size);
m_grabbers[3].render(true, grabber_mean_size);
shader->stop_using();
}
}
else if (m_hover_id == 4 || m_hover_id == 5) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
// draw connections
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
render_grabbers_connection(4, 5, m_grabbers[4].color);
shader->stop_using();
}
// draw grabbers
shader = wxGetApp().get_shader("gouraud_light");
#else
// draw connection
glsafe(::glColor4fv(AXES_COLOR[2].data()));
render_grabbers_connection(4, 5);
// draw grabbers
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
if (shader != nullptr) {
shader->start_using();
shader->set_uniform("emission_factor", 0.1f);
m_grabbers[4].render(true, grabber_mean_size);
m_grabbers[5].render(true, grabber_mean_size);
shader->stop_using();
}
}
else if (m_hover_id >= 6) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
// draw connections
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
render_grabbers_connection(6, 7, m_drag_color);
render_grabbers_connection(7, 8, m_drag_color);
render_grabbers_connection(8, 9, m_drag_color);
render_grabbers_connection(9, 6, m_drag_color);
shader->stop_using();
}
// draw grabbers
shader = wxGetApp().get_shader("gouraud_light");
#else
// draw connection
glsafe(::glColor4fv(m_drag_color.data()));
render_grabbers_connection(6, 7);
render_grabbers_connection(7, 8);
render_grabbers_connection(8, 9);
render_grabbers_connection(9, 6);
// draw grabbers
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
if (shader != nullptr) {
shader->start_using();
shader->set_uniform("emission_factor", 0.1f);
for (int i = 6; i < 10; ++i) {
m_grabbers[i].render(true, grabber_mean_size);
}
shader->stop_using();
}
}
#if ENABLE_WORLD_COORDINATE
glsafe(::glPopMatrix());
#endif // ENABLE_WORLD_COORDINATE
}
void GLGizmoScale3D::on_render_for_picking()
{
glsafe(::glDisable(GL_DEPTH_TEST));
#if ENABLE_WORLD_COORDINATE
glsafe(::glPushMatrix());
transform_to_local(m_parent.get_selection());
render_grabbers_for_picking(m_bounding_box);
glsafe(::glPopMatrix());
#else
render_grabbers_for_picking(m_parent.get_selection().get_bounding_box());
#endif // ENABLE_WORLD_COORDINATE
}
#if ENABLE_LEGACY_OPENGL_REMOVAL
void GLGizmoScale3D::render_grabbers_connection(unsigned int id_1, unsigned int id_2, const ColorRGBA& color)
{
auto grabber_connection = [this](unsigned int id_1, unsigned int id_2) {
for (int i = 0; i < int(m_grabber_connections.size()); ++i) {
if (m_grabber_connections[i].grabber_indices.first == id_1 && m_grabber_connections[i].grabber_indices.second == id_2)
return i;
}
return -1;
};
const int id = grabber_connection(id_1, id_2);
if (id == -1)
return;
if (!m_grabber_connections[id].model.is_initialized() ||
!m_grabber_connections[id].old_v1.isApprox(m_grabbers[id_1].center) ||
!m_grabber_connections[id].old_v2.isApprox(m_grabbers[id_2].center)) {
m_grabber_connections[id].old_v1 = m_grabbers[id_1].center;
m_grabber_connections[id].old_v2 = m_grabbers[id_2].center;
m_grabber_connections[id].model.reset();
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::Lines, GLModel::Geometry::EVertexLayout::P3 };
init_data.reserve_vertices(2);
init_data.reserve_indices(2);
// vertices
init_data.add_vertex((Vec3f)m_grabbers[id_1].center.cast<float>());
init_data.add_vertex((Vec3f)m_grabbers[id_2].center.cast<float>());
// indices
init_data.add_line(0, 1);
m_grabber_connections[id].model.init_from(std::move(init_data));
}
m_grabber_connections[id].model.set_color(color);
m_grabber_connections[id].model.render();
}
#else
void GLGizmoScale3D::render_grabbers_connection(unsigned int id_1, unsigned int id_2) const
{
unsigned int grabbers_count = (unsigned int)m_grabbers.size();
if (id_1 < grabbers_count && id_2 < grabbers_count) {
::glBegin(GL_LINES);
::glVertex3dv(m_grabbers[id_1].center.data());
::glVertex3dv(m_grabbers[id_2].center.data());
glsafe(::glEnd());
}
}
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
void GLGizmoScale3D::do_scale_along_axis(Axis axis, const UpdateData& data)
{
#if ENABLE_WORLD_COORDINATE
double ratio = calc_ratio(data);
if (ratio > 0.0) {
Vec3d curr_scale = m_scale;
Vec3d starting_scale = m_starting.scale;
const Selection& selection = m_parent.get_selection();
#if ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
const bool world_coordinates = wxGetApp().obj_manipul()->is_world_coordinates();
#else
const bool world_coordinates = wxGetApp().obj_manipul()->get_world_coordinates();
#endif // ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
if (world_coordinates) {
if (selection.is_single_full_instance()) {
const Transform3d m = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_rotation());
curr_scale = (m * curr_scale).cwiseAbs();
starting_scale = (m * starting_scale).cwiseAbs();
}
else if (selection.is_single_volume_or_modifier()) {
const Transform3d mi = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_rotation());
const Transform3d mv = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_volume_rotation());
const Transform3d m = mi * mv;
curr_scale = (m * curr_scale).cwiseAbs();
starting_scale = (m * starting_scale).cwiseAbs();
}
}
curr_scale(axis) = starting_scale(axis) * ratio;
if (world_coordinates) {
if (selection.is_single_full_instance())
m_scale = (Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_rotation()).inverse() * curr_scale).cwiseAbs();
else if (selection.is_single_volume_or_modifier()) {
const Transform3d mi = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_rotation()).inverse();
const Transform3d mv = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_volume_rotation()).inverse();
m_scale = (mv * mi * curr_scale).cwiseAbs();
}
else
m_scale = curr_scale;
}
else
m_scale = curr_scale;
#else
const double ratio = calc_ratio(data);
if (ratio > 0.0) {
m_scale(axis) = m_starting.scale(axis) * ratio;
#endif // ENABLE_WORLD_COORDINATE
if (m_starting.ctrl_down) {
#if ENABLE_WORLD_COORDINATE
double local_offset = 0.5 * (ratio - 1.0) * m_starting.box.size()(axis);
#else
double local_offset = 0.5 * (m_scale(axis) - m_starting.scale(axis)) * m_starting.box.size()(axis);
#endif // ENABLE_WORLD_COORDINATE
if (m_hover_id == 2 * axis)
local_offset *= -1.0;
#if ENABLE_WORLD_COORDINATE
Vec3d center_offset = m_starting.instance_center - m_starting.center;
if (selection.is_single_full_instance() && !world_coordinates) {
const Transform3d m = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_rotation()).inverse();
center_offset = m * center_offset;
}
local_offset += (ratio - 1.0) * center_offset(axis);
switch (axis)
{
case X: { m_offset = local_offset * Vec3d::UnitX(); break; }
case Y: { m_offset = local_offset * Vec3d::UnitY(); break; }
case Z: { m_offset = local_offset * Vec3d::UnitZ(); break; }
default: { m_offset = Vec3d::Zero(); break; }
}
if (selection.is_single_volume_or_modifier() && !world_coordinates) {
const Transform3d mv = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_volume_rotation());
const Transform3d mi = Geometry::assemble_transform(Vec3d::Zero(), Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_scaling_factor()).inverse();
m_offset = mv * mi * m_offset;
}
#else
Vec3d local_offset_vec;
switch (axis)
{
case X: { local_offset_vec = local_offset * Vec3d::UnitX(); break; }
case Y: { local_offset_vec = local_offset * Vec3d::UnitY(); break; }
case Z: { local_offset_vec = local_offset * Vec3d::UnitZ(); break; }
default: break;
}
m_offset = m_offsets_transform * local_offset_vec;
#endif // ENABLE_WORLD_COORDINATE
}
else
m_offset = Vec3d::Zero();
}
}
void GLGizmoScale3D::do_scale_uniform(const UpdateData& data)
{
const double ratio = calc_ratio(data);
if (ratio > 0.0) {
m_scale = m_starting.scale * ratio;
#if ENABLE_WORLD_COORDINATE
if (m_starting.ctrl_down) {
m_offset = 0.5 * (ratio - 1.0) * m_starting.box.size();
if (m_hover_id == 6 || m_hover_id == 9)
m_offset.x() *= -1.0;
if (m_hover_id == 6 || m_hover_id == 7)
m_offset.y() *= -1.0;
const Selection& selection = m_parent.get_selection();
#if ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
const bool world_coordinates = wxGetApp().obj_manipul()->is_world_coordinates();
#else
const bool world_coordinates = wxGetApp().obj_manipul()->get_world_coordinates();
#endif // ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
Vec3d center_offset = m_starting.instance_center - m_starting.center;
if (selection.is_single_full_instance() && !world_coordinates) {
const Transform3d m = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_rotation()).inverse();
center_offset = m * center_offset;
}
m_offset += (ratio - 1.0) * center_offset;
if (selection.is_single_volume_or_modifier() && !world_coordinates) {
const Transform3d mv = Geometry::assemble_transform(Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_volume_rotation());
const Transform3d mi = Geometry::assemble_transform(Vec3d::Zero(), Vec3d::Zero(), selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_scaling_factor()).inverse();
m_offset = mv * mi * m_offset;
}
}
else
#endif // ENABLE_WORLD_COORDINATE
m_offset = Vec3d::Zero();
}
}
double GLGizmoScale3D::calc_ratio(const UpdateData& data) const
{
double ratio = 0.0;
#if ENABLE_WORLD_COORDINATE
const Vec3d starting_vec = m_starting.drag_position - m_starting.center;
#else
const Vec3d pivot = (m_starting.ctrl_down && m_hover_id < 6) ? m_starting.pivots[m_hover_id] : m_starting.box.center();
const Vec3d starting_vec = m_starting.drag_position - pivot;
#endif // ENABLE_WORLD_COORDINATE
const double len_starting_vec = starting_vec.norm();
if (len_starting_vec != 0.0) {
const Vec3d mouse_dir = data.mouse_ray.unit_vector();
// finds the intersection of the mouse ray with the plane parallel to the camera viewport and passing throught the starting position
// use ray-plane intersection see i.e. https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection algebric form
// in our case plane normal and ray direction are the same (orthogonal view)
// 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
const Vec3d inters = data.mouse_ray.a + (m_starting.drag_position - data.mouse_ray.a).dot(mouse_dir) / mouse_dir.squaredNorm() * mouse_dir;
// vector from the starting position to the found intersection
const Vec3d inters_vec = inters - m_starting.drag_position;
// finds projection of the vector along the staring direction
const double proj = inters_vec.dot(starting_vec.normalized());
ratio = (len_starting_vec + proj) / len_starting_vec;
}
if (wxGetKeyState(WXK_SHIFT))
ratio = m_snap_step * (double)std::round(ratio / m_snap_step);
return ratio;
}
#if ENABLE_WORLD_COORDINATE
void GLGizmoScale3D::transform_to_local(const Selection& selection) const
{
glsafe(::glTranslated(m_center.x(), m_center.y(), m_center.z()));
#if ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
if (!wxGetApp().obj_manipul()->is_world_coordinates()) {
#else
if (!wxGetApp().obj_manipul()->get_world_coordinates()) {
#endif // ENABLE_INSTANCE_COORDINATES_FOR_VOLUMES
Transform3d orient_matrix = selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_transformation().get_matrix(true, false, true, true);
if (selection.is_single_volume_or_modifier())
orient_matrix = orient_matrix * selection.get_volume(*selection.get_volume_idxs().begin())->get_volume_transformation().get_matrix(true, false, true, true);
glsafe(::glMultMatrixd(orient_matrix.data()));
}
}
#endif // ENABLE_WORLD_COORDINATE
} // namespace GUI
} // namespace Slic3r
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