3DPrinting/PrusaSlicer-NonPlainar
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Fixed crossing perimeters when option "Wipe while retracting" is enabled

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This commit is contained in:
Lukáš Hejl 2020-10-13 22:29:36 +02:00
parent 39e3358af5
commit 556c212f9d
1 changed files with 11 additions and 2 deletions
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13
src/libslic3r/GCode.cpp
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@ -3076,9 +3076,18 @@ std::string GCode::travel_to(const Point &point, ExtrusionRole role, std::string
// generate G-code for the travel move
std::string gcode;
if (needs_retraction)
if (needs_retraction) {
Point last_post_before_retract = this->last_pos();
gcode += this->retract();
else
// 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()
if (last_post_before_retract != this->last_pos() && m_config.avoid_crossing_perimeters && !m_avoid_crossing_perimeters.disable_once) {
Polyline retract_travel = m_avoid_crossing_perimeters.travel_to(*this, last_post_before_retract);
retract_travel.points.reserve(retract_travel.points.size() + travel.points.size());
append(retract_travel.points, travel.points);
travel = std::move(retract_travel);
}
} else
// Reset the wipe path when traveling, so one would not wipe along an old path.
m_wipe.reset_path();