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Stagger concentric infill seams. (#6184)

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Vovodroid 2024-08-11 18:23:20 +03:00 committed by GitHub
parent fa7a11fa7f
commit 0286c36f42
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1 changed files with 16 additions and 2 deletions
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18
src/libslic3r/Fill/FillConcentric.cpp
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@ -9,6 +9,20 @@
namespace Slic3r {
template<typename LINE_T>
int stagger_seam_index(int ind, LINE_T line)
{
Point const *point = &line.points[ind];
double dist = 0;
while (dist < 0.5 / SCALING_FACTOR) {
ind = (ind + 1) % line.points.size();
Point const &next = line.points[ind];
dist += point->distance_to(next);
point = &next;
};
return ind;
}
void FillConcentric::_fill_surface_single(
const FillParams &params,
unsigned int thickness_layers,
@ -42,7 +56,7 @@ void FillConcentric::_fill_surface_single(
size_t iPathFirst = polylines_out.size();
Point last_pos(0, 0);
for (const Polygon &loop : loops) {
polylines_out.emplace_back(loop.split_at_index(last_pos.nearest_point_index(loop.points)));
polylines_out.emplace_back(loop.split_at_index(stagger_seam_index(last_pos.nearest_point_index(loop.points), loop)));
last_pos = polylines_out.back().last_point();
}
@ -110,7 +124,7 @@ void FillConcentric::_fill_surface_single(const FillParams& params,
ThickPolyline thick_polyline = Arachne::to_thick_polyline(*extrusion);
if (extrusion->is_closed)
thick_polyline.start_at_index(last_pos.nearest_point_index(thick_polyline.points));
thick_polyline.start_at_index(stagger_seam_index(last_pos.nearest_point_index(thick_polyline.points), thick_polyline));
thick_polylines_out.emplace_back(std::move(thick_polyline));
last_pos = thick_polylines_out.back().last_point();
}