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ENH: add arachne engine for narrow internal solid infill

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ConcentricGapFill pattern was used for internal narrow
solid infill. Use arachne engine instead to remove
gap fill inside the pattern and improve the extrusion path

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: I758d7c72eb71cc37026b7cebf746cc345014c3f5
(cherry picked from commit 0b6bacd21a091afc13d7b36a69e5b10f155bc6f8)
This commit is contained in:
salt.wei 2022-08-10 16:11:39 +08:00 • committed by Lane.Wei
parent cbefb77de3
commit aab8a12801
54 changed files with 7922 additions and 30 deletions
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10
src/libslic3r/Point.hpp
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@ -163,6 +163,7 @@ public:
Point rotated(double angle) const { Point res(*this); res.rotate(angle); return res; }
Point rotated(double cos_a, double sin_a) const { Point res(*this); res.rotate(cos_a, sin_a); return res; }
Point rotated(double angle, const Point &center) const { Point res(*this); res.rotate(angle, center); return res; }
Point rotate_90_degree_ccw() const { return Point(-this->y(), this->x()); }
int nearest_point_index(const Points &points) const;
int nearest_point_index(const PointConstPtrs &points) const;
int nearest_point_index(const PointPtrs &points) const;
@ -245,6 +246,15 @@ inline bool has_duplicate_successive_points_closed(const std::vector<Point> &pts
return has_duplicate_successive_points(pts) || (pts.size() >= 2 && pts.front() == pts.back());
}
inline bool shorter_then(const Point& p0, const coord_t len)
{
if (p0.x() > len || p0.x() < -len)
return false;
if (p0.y() > len || p0.y() < -len)
return false;
return p0.cast<int64_t>().squaredNorm() <= Slic3r::sqr(int64_t(len));
}
namespace int128 {
// Exact orientation predicate,
// returns +1: CCW, 0: collinear, -1: CW.