3DPrinting/PrusaSlicer-NonPlainar
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Fixed unnecessary travels after calling the avoid crossing perimeters when the wipe is enabled.

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When the avoid crossing perimeters was enabled, and the wipe was enabled, there were unnecessary travels in the opposite direction than the wipe travel.
This commit is contained in:
Lukáš Hejl 2021-02-18 14:41:56 +01:00
parent 86d7e1fb90
commit 8f293f0cb5
1 changed files with 3 additions and 3 deletions
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6
src/libslic3r/GCode.cpp
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@ -2853,10 +2853,10 @@ std::string GCode::travel_to(const Point &point, ExtrusionRole role, std::string
Point last_post_before_retract = this->last_pos();
gcode += this->retract();
// When "Wipe while retracting" is enabled, then extruder moves to another position, and travel from this position can cross perimeters.
// Because of it, it is necessary to call avoid crossing perimeters for the path between previous last_post and last_post after calling retraction()
// Because of it, it is necessary to call avoid crossing perimeters again with new starting point after calling retraction()
// FIXME Lukas H.: Try to predict if this second calling of avoid crossing perimeters will be needed or not. It could save computations.
if (last_post_before_retract != this->last_pos() && m_config.avoid_crossing_perimeters) {
Polyline retract_travel = m_avoid_crossing_perimeters.travel_to(*this, last_post_before_retract);
append(retract_travel.points, travel.points);
Polyline retract_travel = m_avoid_crossing_perimeters.travel_to(*this, point);
travel = std::move(retract_travel);
}
} else