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Feature: Fuzzy Skin Extrusion Mode (#9878)

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* Feature: Fuzzy Skin Extrusion Mode

This extension allows you to add new features to the fuzzy skin generator.

* Add auto switch to Arachne mode

* Move dialog to `update_print_fff_config` and update how `is_msg_dlg_already_exist` is used

---------

Co-authored-by: Noisyfox <timemanager.rick@gmail.com>
This commit is contained in:
π²
2025-07-25 10:36:18 +03:00
committed by GitHub
parent 45bfd7dcab
commit 8ffd1f8ca1
8 changed files with 81 additions and 7 deletions
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21
src/libslic3r/Feature/FuzzySkin/FuzzySkin.cpp
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@ -116,6 +116,7 @@ void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice
const double min_dist_between_points = cfg.point_distance * 3. / 4.; // hardcoded: the point distance may vary between 3/4 and 5/4 the supplied value
const double range_random_point_dist = cfg.point_distance / 2.;
const double min_extrusion_width = 0.01; // workaround for many print options. Need overwrite formula with the layer height parameter. The width must more than >>> layer_height * (1 - 0.25 * PI) * 1.05 <<< (last num is the coeff of overlay error case)
double dist_left_over = random_value() * (min_dist_between_points / 2.); // the distance to be traversed on the line before making the first new point
auto* p0 = &ext_lines.front();
@ -134,7 +135,18 @@ void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice
for (; p0pa_dist < p0p1_size; p0pa_dist += min_dist_between_points + random_value() * range_random_point_dist) {
Point pa = p0->p + (p0p1 * (p0pa_dist / p0p1_size)).cast<coord_t>();
double r = noise->GetValue(unscale_(pa.x()), unscale_(pa.y()), slice_z) * cfg.thickness;
out.emplace_back(pa + (perp(p0p1).cast<double>().normalized() * r).cast<coord_t>(), p1.w, p1.perimeter_index);
switch (cfg.mode) { //the curly code for testing
case FuzzySkinMode::Displacement :
out.emplace_back(pa + (perp(p0p1).cast<double>().normalized() * r).cast<coord_t>(), p1.w, p1.perimeter_index);
break;
case FuzzySkinMode::Extrusion :
out.emplace_back(pa, std::max(p1.w + r + min_extrusion_width, min_extrusion_width), p1.perimeter_index);
break;
case FuzzySkinMode::Combined :
double rad = std::max(p1.w + r + min_extrusion_width, min_extrusion_width);
out.emplace_back(pa + (perp(p0p1).cast<double>().normalized() * ((rad - p1.w) / 2)).cast<coord_t>(), rad, p1.perimeter_index); //0.05 - minimum width of extruded line
break;
}
}
dist_left_over = p0pa_dist - p0p1_size;
p0 = &p1;
@ -148,8 +160,10 @@ void fuzzy_extrusion_line(Arachne::ExtrusionJunctions& ext_lines, coordf_t slice
--point_idx;
}
if (ext_lines.back().p == ext_lines.front().p) // Connect endpoints.
if (ext_lines.back().p == ext_lines.front().p) { // Connect endpoints.
out.front().p = out.back().p;
out.front().w = out.back().w;
}
if (out.size() >= 3)
ext_lines = std::move(out);
@ -171,7 +185,8 @@ void group_region_by_fuzzify(PerimeterGenerator& g)
region_config.fuzzy_skin_noise_type,
region_config.fuzzy_skin_scale,
region_config.fuzzy_skin_octaves,
region_config.fuzzy_skin_persistence};
region_config.fuzzy_skin_persistence,
region_config.fuzzy_skin_mode};
auto& surfaces = regions[cfg];
for (const auto& surface : region->slices.surfaces) {
surfaces.push_back(&surface);