1000 lines
28 KiB
C++
1000 lines
28 KiB
C++
#include "GLGizmo.hpp"
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#include "../../libslic3r/Utils.hpp"
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#include <Eigen/Dense>
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#include <GL/glew.h>
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#include <iostream>
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static const float DEFAULT_BASE_COLOR[3] = { 0.625f, 0.625f, 0.625f };
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static const float DEFAULT_DRAG_COLOR[3] = { 1.0f, 1.0f, 1.0f };
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static const float DEFAULT_HIGHLIGHT_COLOR[3] = { 1.0f, 0.38f, 0.0f };
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static const float RED[3] = { 1.0f, 0.0f, 0.0f };
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static const float GREEN[3] = { 0.0f, 1.0f, 0.0f };
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static const float BLUE[3] = { 0.0f, 0.0f, 1.0f };
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namespace Slic3r {
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namespace GUI {
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const float GLGizmoBase::Grabber::HalfSize = 2.0f;
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const float GLGizmoBase::Grabber::DraggingScaleFactor = 1.25f;
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GLGizmoBase::Grabber::Grabber()
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: center(Pointf3(0.0, 0.0, 0.0))
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, angle_x(0.0f)
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, angle_y(0.0f)
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, angle_z(0.0f)
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, dragging(false)
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{
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color[0] = 1.0f;
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color[1] = 1.0f;
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color[2] = 1.0f;
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}
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void GLGizmoBase::Grabber::render(bool hover) const
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{
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float render_color[3];
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if (hover)
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{
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render_color[0] = 1.0f - color[0];
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render_color[1] = 1.0f - color[1];
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render_color[2] = 1.0f - color[2];
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}
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else
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::memcpy((void*)render_color, (const void*)color, 3 * sizeof(float));
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render(render_color);
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}
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void GLGizmoBase::Grabber::render(const float* render_color) const
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{
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float half_size = dragging ? HalfSize * DraggingScaleFactor : HalfSize;
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float min_x = -half_size;
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float max_x = +half_size;
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float min_y = -half_size;
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float max_y = +half_size;
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::glColor3f((GLfloat)render_color[0], (GLfloat)render_color[1], (GLfloat)render_color[2]);
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::glPushMatrix();
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::glTranslatef((GLfloat)center.x, (GLfloat)center.y, (GLfloat)center.z);
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float rad_to_deg = 180.0f / (GLfloat)PI;
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::glRotatef((GLfloat)angle_x * rad_to_deg, 1.0f, 0.0f, 0.0f);
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::glRotatef((GLfloat)angle_y * rad_to_deg, 0.0f, 1.0f, 0.0f);
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::glRotatef((GLfloat)angle_z * rad_to_deg, 0.0f, 0.0f, 1.0f);
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::glDisable(GL_CULL_FACE);
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::glBegin(GL_TRIANGLES);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)min_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)max_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)max_y, 0.0f);
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::glVertex3f((GLfloat)min_x, (GLfloat)min_y, 0.0f);
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::glEnd();
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::glEnable(GL_CULL_FACE);
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::glPopMatrix();
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}
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GLGizmoBase::GLGizmoBase()
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: m_group_id(-1)
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, m_state(Off)
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, m_hover_id(-1)
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, m_is_container(false)
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{
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::memcpy((void*)m_base_color, (const void*)DEFAULT_BASE_COLOR, 3 * sizeof(float));
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::memcpy((void*)m_drag_color, (const void*)DEFAULT_DRAG_COLOR, 3 * sizeof(float));
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::memcpy((void*)m_highlight_color, (const void*)DEFAULT_HIGHLIGHT_COLOR, 3 * sizeof(float));
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}
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void GLGizmoBase::set_hover_id(int id)
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{
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if (m_is_container || (id < (int)m_grabbers.size()))
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{
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m_hover_id = id;
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on_set_hover_id();
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}
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}
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void GLGizmoBase::set_highlight_color(const float* color)
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{
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if (color != nullptr)
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::memcpy((void*)m_highlight_color, (const void*)color, 3 * sizeof(float));
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}
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void GLGizmoBase::start_dragging()
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{
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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m_grabbers[i].dragging = (m_hover_id == i);
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}
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on_start_dragging();
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}
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void GLGizmoBase::stop_dragging()
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{
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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m_grabbers[i].dragging = false;
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}
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on_stop_dragging();
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}
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void GLGizmoBase::update(const Linef3& mouse_ray)
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{
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if (m_hover_id != -1)
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on_update(mouse_ray);
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}
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float GLGizmoBase::picking_color_component(unsigned int id) const
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{
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int color = 254 - (int)id;
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if (m_group_id > -1)
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color -= m_group_id;
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return (float)color / 255.0f;
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}
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void GLGizmoBase::render_grabbers() const
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{
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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m_grabbers[i].render(m_hover_id == i);
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}
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}
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void GLGizmoBase::render_grabbers_for_picking() const
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{
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for (int i = 0; i < (int)m_grabbers.size(); ++i)
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{
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m_grabbers[i].render_for_picking();
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}
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}
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const float GLGizmoRotate::Offset = 5.0f;
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const unsigned int GLGizmoRotate::CircleResolution = 64;
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const unsigned int GLGizmoRotate::AngleResolution = 64;
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const unsigned int GLGizmoRotate::ScaleStepsCount = 72;
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const float GLGizmoRotate::ScaleStepRad = 2.0f * (float)PI / GLGizmoRotate::ScaleStepsCount;
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const unsigned int GLGizmoRotate::ScaleLongEvery = 2;
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const float GLGizmoRotate::ScaleLongTooth = 2.0f;
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const float GLGizmoRotate::ScaleShortTooth = 1.0f;
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const unsigned int GLGizmoRotate::SnapRegionsCount = 8;
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const float GLGizmoRotate::GrabberOffset = 5.0f;
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GLGizmoRotate::GLGizmoRotate(GLGizmoRotate::Axis axis)
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: GLGizmoBase()
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, m_axis(axis)
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, m_angle(0.0f)
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, m_center(Pointf3(0.0, 0.0, 0.0))
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, m_radius(0.0f)
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, m_keep_initial_values(false)
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{
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}
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void GLGizmoRotate::set_angle(float angle)
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{
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if (std::abs(angle - 2.0f * PI) < EPSILON)
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angle = 0.0f;
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m_angle = angle;
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}
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bool GLGizmoRotate::on_init()
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{
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#if !ENABLE_GIZMOS_3D
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std::string path = resources_dir() + "/icons/overlay/";
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std::string filename = path + "rotate_off.png";
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if (!m_textures[Off].load_from_file(filename, false))
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return false;
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filename = path + "rotate_hover.png";
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if (!m_textures[Hover].load_from_file(filename, false))
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return false;
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filename = path + "rotate_on.png";
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if (!m_textures[On].load_from_file(filename, false))
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return false;
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#endif // !ENABLE_GIZMOS_3D
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m_grabbers.push_back(Grabber());
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return true;
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}
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void GLGizmoRotate::on_update(const Linef3& mouse_ray)
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{
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Pointf mouse_pos = mouse_position_in_local_plane(mouse_ray);
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Vectorf orig_dir(1.0, 0.0);
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Vectorf new_dir = normalize(mouse_pos);
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coordf_t theta = ::acos(clamp(-1.0, 1.0, dot(new_dir, orig_dir)));
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if (cross(orig_dir, new_dir) < 0.0)
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theta = 2.0 * (coordf_t)PI - theta;
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// snap
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double len = length(mouse_pos);
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double in_radius = (double)m_radius / 3.0;
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double out_radius = 2.0 * (double)in_radius;
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if ((in_radius <= len) && (len <= out_radius))
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{
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coordf_t step = 2.0 * (coordf_t)PI / (coordf_t)SnapRegionsCount;
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theta = step * (coordf_t)std::round(theta / step);
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}
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if (theta == 2.0 * (coordf_t)PI)
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theta = 0.0;
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m_angle = (float)theta;
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}
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void GLGizmoRotate::on_render(const BoundingBoxf3& box) const
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{
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::glDisable(GL_DEPTH_TEST);
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if (!m_keep_initial_values)
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{
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const Pointf3& size = box.size();
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m_center = box.center();
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#if !ENABLE_GIZMOS_3D
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m_center.z = 0.0;
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#endif // !ENABLE_GIZMOS_3D
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#if ENABLE_GIZMOS_3D
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m_radius = Offset + box.radius();
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#else
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m_radius = Offset + ::sqrt(sqr(0.5f * size.x) + sqr(0.5f * size.y));
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#endif // ENABLE_GIZMOS_3D
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m_keep_initial_values = true;
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}
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::glPushMatrix();
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transform_to_local();
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::glLineWidth(2.0f);
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#if ENABLE_GIZMOS_3D
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::glColor3fv((m_hover_id != -1) ? m_drag_color : m_base_color);
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#else
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::glColor3fv(m_drag_color);
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#endif // ENABLE_GIZMOS_3D
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render_circle();
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#if ENABLE_GIZMOS_3D
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if (m_hover_id != -1)
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{
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#endif // ENABLE_GIZMOS_3D
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render_scale();
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render_snap_radii();
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render_reference_radius();
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#if ENABLE_GIZMOS_3D
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}
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#endif // ENABLE_GIZMOS_3D
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::glColor3fv(m_highlight_color);
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#if ENABLE_GIZMOS_3D
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if (m_hover_id != -1)
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#endif // ENABLE_GIZMOS_3D
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render_angle();
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render_grabber();
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::glPopMatrix();
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}
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void GLGizmoRotate::on_render_for_picking(const BoundingBoxf3& box) const
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{
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::glDisable(GL_DEPTH_TEST);
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::glPushMatrix();
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transform_to_local();
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m_grabbers[0].color[0] = 1.0f;
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m_grabbers[0].color[1] = 1.0f;
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m_grabbers[0].color[2] = picking_color_component(0);
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render_grabbers_for_picking();
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::glPopMatrix();
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}
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void GLGizmoRotate::render_circle() const
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{
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::glBegin(GL_LINE_LOOP);
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for (unsigned int i = 0; i < ScaleStepsCount; ++i)
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{
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float angle = (float)i * ScaleStepRad;
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float x = ::cos(angle) * m_radius;
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float y = ::sin(angle) * m_radius;
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float z = 0.0f;
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::glVertex3f((GLfloat)x, (GLfloat)y, (GLfloat)z);
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}
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::glEnd();
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}
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void GLGizmoRotate::render_scale() const
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{
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float out_radius_long = m_radius + ScaleLongTooth;
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float out_radius_short = m_radius + ScaleShortTooth;
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::glBegin(GL_LINES);
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for (unsigned int i = 0; i < ScaleStepsCount; ++i)
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{
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float angle = (float)i * ScaleStepRad;
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float cosa = ::cos(angle);
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float sina = ::sin(angle);
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float in_x = cosa * m_radius;
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float in_y = sina * m_radius;
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float in_z = 0.0f;
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float out_x = (i % ScaleLongEvery == 0) ? cosa * out_radius_long : cosa * out_radius_short;
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float out_y = (i % ScaleLongEvery == 0) ? sina * out_radius_long : sina * out_radius_short;
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float out_z = 0.0f;
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::glVertex3f((GLfloat)in_x, (GLfloat)in_y, (GLfloat)in_z);
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::glVertex3f((GLfloat)out_x, (GLfloat)out_y, (GLfloat)out_z);
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}
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::glEnd();
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}
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void GLGizmoRotate::render_snap_radii() const
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{
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float step = 2.0f * (float)PI / (float)SnapRegionsCount;
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float in_radius = m_radius / 3.0f;
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float out_radius = 2.0f * in_radius;
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::glBegin(GL_LINES);
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for (unsigned int i = 0; i < SnapRegionsCount; ++i)
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{
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float angle = (float)i * step;
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float cosa = ::cos(angle);
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float sina = ::sin(angle);
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float in_x = cosa * in_radius;
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float in_y = sina * in_radius;
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float in_z = 0.0f;
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float out_x = cosa * out_radius;
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float out_y = sina * out_radius;
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float out_z = 0.0f;
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::glVertex3f((GLfloat)in_x, (GLfloat)in_y, (GLfloat)in_z);
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::glVertex3f((GLfloat)out_x, (GLfloat)out_y, (GLfloat)out_z);
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}
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::glEnd();
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}
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void GLGizmoRotate::render_reference_radius() const
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{
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::glBegin(GL_LINES);
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::glVertex3f(0.0f, 0.0f, 0.0f);
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::glVertex3f((GLfloat)(m_radius + GrabberOffset), 0.0f, 0.0f);
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::glEnd();
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}
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void GLGizmoRotate::render_angle() const
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{
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float step_angle = m_angle / AngleResolution;
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float ex_radius = m_radius + GrabberOffset;
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::glBegin(GL_LINE_STRIP);
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for (unsigned int i = 0; i <= AngleResolution; ++i)
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{
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float angle = (float)i * step_angle;
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float x = ::cos(angle) * ex_radius;
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float y = ::sin(angle) * ex_radius;
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float z = 0.0f;
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::glVertex3f((GLfloat)x, (GLfloat)y, (GLfloat)z);
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}
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::glEnd();
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}
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void GLGizmoRotate::render_grabber() const
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{
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float grabber_radius = m_radius + GrabberOffset;
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m_grabbers[0].center.x = ::cos(m_angle) * grabber_radius;
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m_grabbers[0].center.y = ::sin(m_angle) * grabber_radius;
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m_grabbers[0].center.z = 0.0f;
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m_grabbers[0].angle_z = m_angle;
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#if ENABLE_GIZMOS_3D
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::glColor3fv((m_hover_id != -1) ? m_drag_color : m_base_color);
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#else
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::glColor3fv(m_drag_color);
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#endif // ENABLE_GIZMOS_3D
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::glBegin(GL_LINES);
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::glVertex3f(0.0f, 0.0f, 0.0f);
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::glVertex3f((GLfloat)m_grabbers[0].center.x, (GLfloat)m_grabbers[0].center.y, (GLfloat)m_grabbers[0].center.z);
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::glEnd();
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::memcpy((void*)m_grabbers[0].color, (const void*)m_highlight_color, 3 * sizeof(float));
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render_grabbers();
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}
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void GLGizmoRotate::transform_to_local() const
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{
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::glTranslatef((GLfloat)m_center.x, (GLfloat)m_center.y, (GLfloat)m_center.z);
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switch (m_axis)
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{
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case X:
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{
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::glRotatef(90.0f, 0.0f, 1.0f, 0.0f);
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::glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
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break;
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}
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case Y:
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{
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::glRotatef(90.0f, 1.0f, 0.0f, 0.0f);
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::glRotatef(180.0f, 0.0f, 0.0f, 1.0f);
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break;
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}
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default:
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case Z:
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{
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// no rotation
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break;
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}
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}
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}
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Pointf GLGizmoRotate::mouse_position_in_local_plane(const Linef3& mouse_ray) const
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{
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float half_pi = 0.5f * (float)PI;
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Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity();
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switch (m_axis)
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{
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case X:
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{
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m.rotate(Eigen::AngleAxisf(-half_pi, Eigen::Vector3f::UnitZ()));
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m.rotate(Eigen::AngleAxisf(-half_pi, Eigen::Vector3f::UnitY()));
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break;
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}
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case Y:
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{
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m.rotate(Eigen::AngleAxisf(-(float)PI, Eigen::Vector3f::UnitZ()));
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m.rotate(Eigen::AngleAxisf(-half_pi, Eigen::Vector3f::UnitX()));
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break;
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}
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default:
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case Z:
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{
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// no rotation applied
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break;
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}
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}
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m.translate(Eigen::Vector3f((float)-m_center.x, (float)-m_center.y, (float)-m_center.z));
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Eigen::Matrix<float, 3, 2> world_ray;
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Eigen::Matrix<float, 3, 2> local_ray;
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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)));
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}
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void GLGizmoScale3D::do_scale_x(const Linef3& mouse_ray)
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{
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// calculates the intersection of the mouse ray with the plane parallel to plane XY and passing through the box center
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const Pointf3& center = m_box.center();
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Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity();
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m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)center.z));
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Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0);
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coordf_t orig_len = length(m_starting_drag_position - center);
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coordf_t new_len = length(mouse_pos);
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coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0;
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m_scale_x = m_starting_scale_x * (float)ratio;
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}
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void GLGizmoScale3D::do_scale_y(const Linef3& mouse_ray)
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{
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// calculates the intersection of the mouse ray with the plane parallel to plane XY and passing through the box center
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const Pointf3& center = m_box.center();
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Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity();
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m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)center.z));
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Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0);
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coordf_t orig_len = length(m_starting_drag_position - center);
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coordf_t new_len = length(mouse_pos);
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coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0;
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m_scale_x = m_starting_scale_y * (float)ratio;
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// m_scale_y = m_starting_scale_y * (float)ratio;
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}
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void GLGizmoScale3D::do_scale_z(const Linef3& mouse_ray)
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{
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// calculates the intersection of the mouse ray with the plane parallel to plane XZ and passing through the box center
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const Pointf3& center = m_box.center();
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Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity();
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m.rotate(Eigen::AngleAxisf(0.5f * (float)PI, Eigen::Vector3f::UnitX()));
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m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)center.z));
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Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0);
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coordf_t orig_len = length(m_starting_drag_position - center);
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coordf_t new_len = length(mouse_pos);
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coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0;
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m_scale_x = m_starting_scale_z * (float)ratio;
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// m_scale_z = m_starting_scale_z * (float)ratio;
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if (m_scale_x > 10.0)
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{
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int a = 0;
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}
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}
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void GLGizmoScale3D::do_scale_uniform(const Linef3& mouse_ray)
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{
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// calculates the intersection of the mouse ray with the plane parallel to plane XY and passing through the box min point
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const Pointf3& center = m_box.center();
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Eigen::Transform<float, 3, Eigen::Affine> m = Eigen::Transform<float, 3, Eigen::Affine>::Identity();
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m.translate(Eigen::Vector3f(-(float)center.x, -(float)center.y, -(float)m_box.min.z));
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Pointf mouse_pos = transform(mouse_ray, m).intersect_plane(0.0);
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coordf_t orig_len = length(m_starting_drag_position - center);
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coordf_t new_len = length(Vectorf3(mouse_pos.x, mouse_pos.y, m_box.min.z - center.z));
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coordf_t ratio = (orig_len != 0.0) ? new_len / orig_len : 1.0;
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m_scale_x = m_starting_scale_y * (float)ratio;
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m_scale_y = m_starting_scale_y * (float)ratio;
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m_scale_z = m_starting_scale_z * (float)ratio;
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}
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} // namespace GUI
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} // namespace Slic3r
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