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A simple algorithm to follow the boundary of polygons

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This commit is contained in:
Lukáš Hejl 2020-09-21 02:05:52 +02:00
parent e04c6a4d17
commit 7a4ba7d131
2 changed files with 112 additions and 3 deletions
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28
src/libslic3r/GCode.hpp
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@ -46,13 +46,13 @@ public:
bool disable_once;
AvoidCrossingPerimeters() : use_external_mp(false), use_external_mp_once(false), disable_once(true) {}
~AvoidCrossingPerimeters() {}
virtual ~AvoidCrossingPerimeters() = default;
void reset() { m_external_mp.reset(); m_layer_mp.reset(); }
void init_external_mp(const Print &print);
void init_layer_mp(const ExPolygons &islands) { m_layer_mp = Slic3r::make_unique<MotionPlanner>(islands); }
Polyline travel_to(const GCode &gcodegen, const Point &point);
virtual Polyline travel_to(const GCode &gcodegen, const Point &point);
private:
// For initializing the regions to avoid.
@ -62,6 +62,28 @@ private:
std::unique_ptr<MotionPlanner> m_layer_mp;
};
class AvoidCrossingPerimeters2 : public AvoidCrossingPerimeters
{
protected:
struct Intersection
{
size_t border_idx;
size_t line_idx;
Point point;
Intersection(size_t border_idx, size_t line_idx, Point point)
: border_idx(border_idx), line_idx(line_idx), point(point){};
inline bool operator<(const Intersection &other) const { return this->point.x() < other.point.x(); }
};
public:
AvoidCrossingPerimeters2() : AvoidCrossingPerimeters() {}
virtual ~AvoidCrossingPerimeters2() = default;
virtual Polyline travel_to(const GCode &gcodegen, const Point &point) override;
};
class OozePrevention {
public:
@ -326,7 +348,7 @@ private:
std::set<std::string> m_placeholder_parser_failed_templates;
OozePrevention m_ooze_prevention;
Wipe m_wipe;
AvoidCrossingPerimeters m_avoid_crossing_perimeters;
AvoidCrossingPerimeters2 m_avoid_crossing_perimeters;
bool m_enable_loop_clipping;
// If enabled, the G-code generator will put following comments at the ends
// of the G-code lines: _EXTRUDE_SET_SPEED, _WIPE, _BRIDGE_FAN_START, _BRIDGE_FAN_END