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Port Quartercubic infill pattern (#7243)

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* Ported Quarter Cubic infill pattern from Cura

* Code reformat
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Patrick Carnahan 2025-01-22 01:22:22 -05:00 • committed by GitHub
parent 880081226a
commit 302b40af22
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6 changed files with 162 additions and 2 deletions
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34
src/libslic3r/Fill/FillRectilinear.cpp
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@ -9,6 +9,7 @@
#include <boost/container/small_vector.hpp>
#include <boost/log/trivial.hpp>
#include <boost/static_assert.hpp>
#include <boost/math/constants/constants.hpp>
#include "../ClipperUtils.hpp"
#include "../ExPolygon.hpp"
@ -3035,6 +3036,39 @@ Polylines FillCubic::fill_surface(const Surface *surface, const FillParams &para
return polylines_out;
}
Polylines FillQuarterCubic::fill_surface(const Surface* surface, const FillParams& params)
{
using namespace boost::math::float_constants;
Polylines polylines_out;
coord_t line_width = coord_t(scale_(this->spacing));
coord_t period = coord_t(scale_(this->spacing) / params.density) * 4;
// First half tetrahedral fill
double pattern_z_shift = 0.0;
coord_t shift = coord_t(one_div_root_two * (scale_(z) + pattern_z_shift * period * 2)) % period;
shift = std::min(shift, period - shift); // symmetry due to the fact that we are applying the shift in both directions
shift = std::min(shift, period / 2 - line_width / 2); // don't put lines too close to each other
shift = std::max(shift, line_width / 2); // don't put lines too close to each other
float dx1 = unscale_(shift);
// Second half tetrahedral fill
pattern_z_shift = 0.5;
shift = coord_t(one_div_root_two * (scale_(z) + pattern_z_shift * period * 2)) % period;
shift = std::min(shift, period - shift); // symmetry due to the fact that we are applying the shift in both directions
shift = std::min(shift, period / 2 - line_width / 2); // don't put lines too close to each other
shift = std::max(shift, line_width / 2); // don't put lines too close to each other
float dx2 = unscale_(shift);
if (!this->fill_surface_by_multilines(
surface, params,
{{0.f, dx1}, {0.f, -dx1}, {float(M_PI / 2.), dx2}, {float(M_PI / 2.), -dx2}},
polylines_out))
BOOST_LOG_TRIVIAL(error) << "FillQuarterCubic::fill_surface() failed to fill a region.";
return polylines_out;
}
Polylines FillSupportBase::fill_surface(const Surface *surface, const FillParams &params)
{
assert(! params.full_infill());