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Fix of the new gyroid infill path planning. Fixes #3226

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bubnikv 2019-11-22 18:22:44 +01:00
parent 232f324999
commit 9c4dc80057
4 changed files with 94 additions and 2 deletions
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9
src/libslic3r/Fill/FillBase.cpp
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@ -2,6 +2,7 @@
#include "../ClipperUtils.hpp"
#include "../EdgeGrid.hpp"
#include "../Geometry.hpp"
#include "../Surface.hpp"
#include "../PrintConfig.hpp"
#include "../libslic3r.h"
@ -777,6 +778,8 @@ void mark_boundary_segments_touching_infill(
const Vec2d *pt2;
} visitor(grid, boundary, boundary_data, distance_colliding * distance_colliding);
BoundingBoxf bboxf(boundary_bbox.min.cast<double>(), boundary_bbox.max.cast<double>());
bboxf.offset(- SCALED_EPSILON);
for (const Polyline &polyline : infill) {
// Clip the infill polyline by the Eucledian distance along the polyline.
SegmentPoint start_point = clip_start_segment_and_point(polyline.points, clip_distance);
@ -814,10 +817,12 @@ void mark_boundary_segments_touching_infill(
Vec2d vperp(-v.y(), v.x());
Vec2d a = pt1 - v - vperp;
Vec2d b = pt1 + v - vperp;
grid.visit_cells_intersecting_line(a.cast<coord_t>(), b.cast<coord_t>(), visitor);
if (Geometry::liang_barsky_line_clipping(a, b, bboxf))
grid.visit_cells_intersecting_line(a.cast<coord_t>(), b.cast<coord_t>(), visitor);
a = pt1 - v + vperp;
b = pt1 + v + vperp;
grid.visit_cells_intersecting_line(a.cast<coord_t>(), b.cast<coord_t>(), visitor);
if (Geometry::liang_barsky_line_clipping(a, b, bboxf))
grid.visit_cells_intersecting_line(a.cast<coord_t>(), b.cast<coord_t>(), visitor);
#endif
}
}