QIDISlicer1.0.0

src/slic3r/GUI/CoordAxes.cpp

@@ -0,0 +1,69 @@
+#include "libslic3r/libslic3r.h"
+
+#include "CoordAxes.hpp"
+#include "GUI_App.hpp"
+#include "3DScene.hpp"
+#include "Plater.hpp"
+#include "Camera.hpp"
+
+#include <GL/glew.h>
+
+namespace Slic3r {
+namespace GUI {
+
+const float CoordAxes::DefaultStemRadius = 0.5f;
+const float CoordAxes::DefaultStemLength = 25.0f;
+const float CoordAxes::DefaultTipRadius = 2.5f * CoordAxes::DefaultStemRadius;
+const float CoordAxes::DefaultTipLength = 5.0f;
+
+void CoordAxes::render(const Transform3d& trafo, float emission_factor)
+{
+    auto render_axis = [this](GLShaderProgram& shader, const Transform3d& transform) {
+        const Camera& camera = wxGetApp().plater()->get_camera();
+        const Transform3d& view_matrix = camera.get_view_matrix();
+        const Transform3d matrix = view_matrix * transform;
+        shader.set_uniform("view_model_matrix", matrix);
+        shader.set_uniform("projection_matrix", camera.get_projection_matrix());
+        shader.set_uniform("view_normal_matrix", (Matrix3d)(view_matrix.matrix().block(0, 0, 3, 3) * transform.matrix().block(0, 0, 3, 3).inverse().transpose()));
+        m_arrow.render();
+    };
+
+    if (!m_arrow.is_initialized())
+        m_arrow.init_from(stilized_arrow(16, m_tip_radius, m_tip_length, m_stem_radius, m_stem_length));
+
+    GLShaderProgram* curr_shader = wxGetApp().get_current_shader();
+    GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
+    if (shader == nullptr)
+        return;
+
+    if (curr_shader != nullptr)
+        curr_shader->stop_using();
+
+    shader->start_using();
+    shader->set_uniform("emission_factor", emission_factor);
+
+    // Scale the axes if the camera is close to them to avoid issues
+    // such as https://github.com/qidi3d/QIDISlicer/issues/9483
+    const Camera& camera = wxGetApp().plater()->get_camera();
+    Transform3d scale_tr = Transform3d::Identity();
+    scale_tr.scale(std::min(1., camera.get_inv_zoom() * 10.));
+
+    // x axis
+    m_arrow.set_color(ColorRGBA::X());
+    render_axis(*shader, trafo * Geometry::translation_transform(m_origin) * Geometry::rotation_transform({ 0.0, 0.5 * M_PI, 0.0 }) * scale_tr);
+
+    // y axis
+    m_arrow.set_color(ColorRGBA::Y());
+    render_axis(*shader, trafo * Geometry::translation_transform(m_origin) * Geometry::rotation_transform({ -0.5 * M_PI, 0.0, 0.0 }) * scale_tr);
+
+    // z axis
+    m_arrow.set_color(ColorRGBA::Z());
+    render_axis(*shader, trafo * Geometry::translation_transform(m_origin) * scale_tr);
+
+    shader->stop_using();
+    if (curr_shader != nullptr)
+        curr_shader->start_using();
+}
+
+} // GUI
+} // Slic3r