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https://github.com/OrcaSlicer/OrcaSlicer.git
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62bdc192d8
Fixed some issues in internal anchors of the Adaptive Cubic infill. The ugly and dangerous implicit casting operators in Line, MultiPoint, Polyline and Polygon were made explicit.
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
#include "../ClipperUtils.hpp"
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#include "../ExPolygon.hpp"
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#include "../Surface.hpp"
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#include "FillConcentric.hpp"
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namespace Slic3r {
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void FillConcentric::_fill_surface_single(
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const FillParams ¶ms,
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unsigned int thickness_layers,
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const std::pair<float, Point> &direction,
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ExPolygon expolygon,
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Polylines &polylines_out)
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{
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// no rotation is supported for this infill pattern
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BoundingBox bounding_box = expolygon.contour.bounding_box();
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coord_t min_spacing = scale_(this->spacing);
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coord_t distance = coord_t(min_spacing / params.density);
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if (params.density > 0.9999f && !params.dont_adjust) {
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distance = this->_adjust_solid_spacing(bounding_box.size()(0), distance);
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this->spacing = unscale<double>(distance);
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}
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Polygons loops = (Polygons)expolygon;
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Polygons last = loops;
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while (! last.empty()) {
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last = offset2(last, -(distance + min_spacing/2), +min_spacing/2);
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loops.insert(loops.end(), last.begin(), last.end());
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}
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// generate paths from the outermost to the innermost, to avoid
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// adhesion problems of the first central tiny loops
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loops = union_pt_chained(loops, false);
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// split paths using a nearest neighbor search
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size_t iPathFirst = polylines_out.size();
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Point last_pos(0, 0);
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for (const Polygon &loop : loops) {
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polylines_out.push_back(loop.split_at_index(last_pos.nearest_point_index(loop.points)));
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last_pos = polylines_out.back().last_point();
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}
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// clip the paths to prevent the extruder from getting exactly on the first point of the loop
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// Keep valid paths only.
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size_t j = iPathFirst;
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for (size_t i = iPathFirst; i < polylines_out.size(); ++ i) {
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polylines_out[i].clip_end(this->loop_clipping);
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if (polylines_out[i].is_valid()) {
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if (j < i)
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polylines_out[j] = std::move(polylines_out[i]);
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++ j;
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}
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}
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if (j < polylines_out.size())
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polylines_out.erase(polylines_out.begin() + j, polylines_out.end());
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//TODO: return ExtrusionLoop objects to get better chained paths,
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// otherwise the outermost loop starts at the closest point to (0, 0).
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// We want the loops to be split inside the G-code generator to get optimum path planning.
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}
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} // namespace Slic3r
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