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Filip Sykala - NTB T15p 2023-04-20 17:16:30 +02:00
parent b47433e6a9
commit 034b0a6118
1 changed files with 56 additions and 34 deletions
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90
src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp
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@ -577,6 +577,56 @@ std::string GLGizmoEmboss::on_get_name() const { return _u8L("Emboss"); }
namespace {
GLModel create_model(const Polygons &polygons, float width_half = 0.5f, ColorRGBA color = ColorRGBA::DARK_GRAY())
{
assert(!polygons.empty());
// add a small positive offset to avoid z-fighting
float offset = static_cast<float>(scale_(0.015f));
Polygons polygons_expanded = expand(polygons, offset);
// inspired by 3DScene.cpp void GLVolume::SinkingContours::update()
GLModel::Geometry init_data;
init_data.format = {GLModel::Geometry::EPrimitiveType::Triangles, GUI::GLModel::Geometry::EVertexLayout::P3};
init_data.color = color;
size_t count = count_points(polygons);
init_data.reserve_vertices(2 * count);
init_data.reserve_indices(2 * count);
unsigned int vertices_counter = 0;
for (const Slic3r::Polygon &polygon : polygons_expanded) {
for (const Point &point : polygon.points) {
Vec2f point_d = unscale(point).cast<float>();
Vec3f vertex(point_d.x(), point_d.y(), width_half);
init_data.add_vertex(vertex);
vertex.z() *= -1;
init_data.add_vertex(vertex);
}
auto points_count = static_cast<unsigned int>(polygon.points.size());
unsigned int prev_i = points_count - 1;
for (unsigned int i = 0; i < points_count; i++) {
// t .. top
// b .. bottom
unsigned int t1 = vertices_counter + prev_i * 2;
unsigned int b1 = t1 + 1;
unsigned int t2 = vertices_counter + i * 2;
unsigned int b2 = t2 + 1;
init_data.add_triangle(t1, b1, t2);
init_data.add_triangle(b2, t2, b1);
prev_i = i;
}
vertices_counter += 2 * points_count;
}
assert(!init_data.is_empty());
GLModel gl_model;
gl_model.init_from(std::move(init_data));
return gl_model;
}
void slice_object(const Selection& selection) {
const GLVolume* gl_volume_ptr = selection.get_first_volume();
if (gl_volume_ptr == nullptr)
@ -589,47 +639,19 @@ void slice_object(const Selection& selection) {
const ModelObject &mo = *mo_ptr;
const Transform3d &mv_trafo = gl_volume.get_volume_transformation().get_matrix();
// Cut transformation
// contour transformation
auto rot = Eigen::AngleAxis(M_PI_2, Vec3d::UnitX());
Transform3d trafo = rot * mv_trafo.inverse();
//Transform3d trafo_inv = trafo.inverse();
Transform3d c_trafo = mv_trafo * rot;
Transform3d c_trafo_inv = c_trafo.inverse();
Polygons contours;
for (const ModelVolume* volume: mo.volumes){
MeshSlicingParams slicing_params;
slicing_params.trafo = trafo * volume->get_matrix();
slicing_params.trafo = c_trafo_inv * volume->get_matrix();
const Polygons polys = Slic3r::slice_mesh(volume->mesh().its, 0., slicing_params);
contours.insert(contours.end(), polys.begin(), polys.end());
}
// coppied from 3DScene.cpp void GLVolume::SinkingContours::update()
GUI::GLModel::Geometry init_data;
init_data.format = { GUI::GLModel::Geometry::EPrimitiveType::Triangles, GUI::GLModel::Geometry::EVertexLayout::P3 };
init_data.color = ColorRGBA::WHITE();
unsigned int vertices_counter = 0;
if (contours.empty())
return;
float half_width = static_cast<float>(scale_(0.25));
for (const ExPolygon &expoly : diff_ex(expand(contours, half_width), shrink(contours, half_width))) {
const std::vector<Vec3d> triangulation = triangulate_expolygon_3d(expoly);
init_data.reserve_vertices(init_data.vertices_count() + triangulation.size());
init_data.reserve_indices(init_data.indices_count() + triangulation.size());
for (const Vec3d& v : triangulation) {
init_data.add_vertex((Vec3f)(v.cast<float>() + 0.015f * Vec3f::UnitZ())); // add a small positive z to avoid z-fighting
++vertices_counter;
if (vertices_counter % 3 == 0)
init_data.add_triangle(vertices_counter - 3, vertices_counter - 2, vertices_counter - 1);
}
}
if (init_data.is_empty())
return;
GLModel m_model;
m_model.init_from(std::move(init_data));
const GLShaderProgram *shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
@ -637,9 +659,9 @@ void slice_object(const Selection& selection) {
const Transform3d &mi_trafo = gl_volume.get_instance_transformation().get_matrix();
shader->start_using();
shader->set_uniform("view_model_matrix", camera.get_view_matrix() * mi_trafo * mv_trafo * rot.inverse()); // * Geometry::translation_transform(m_shift));
shader->set_uniform("view_model_matrix", camera.get_view_matrix() * mi_trafo * c_trafo); // * Geometry::translation_transform(m_shift));
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
m_model.render();
create_model(contours).render();
shader->stop_using();
}