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ENH: shorten the travel before wipe 

Signed-off-by: qing.zhang <qing.zhang@bambulab.com>
Change-Id: I3b8c3e188aae85ead926c02a3edf8d23379fbcb1
This commit is contained in:
qing.zhang 2022-11-08 17:54:57 +08:00 committed by Lane.Wei
parent 8222b86a32
commit f43eb35d38
1 changed files with 6 additions and 1 deletions
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7
src/libslic3r/GCode.cpp
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@ -3275,7 +3275,12 @@ std::string GCode::extrude_loop(ExtrusionLoop loop, std::string description, dou
double l2 = v.squaredNorm();
// Shift by no more than a nozzle diameter.
//FIXME Hiding the seams will not work nicely for very densely discretized contours!
Point pt = ((nd * nd >= l2) ? p2 : (p1 + v * (nd / sqrt(l2)))).cast<coord_t>();
//BBS. shorten the travel distant before the wipe path
double threshold = 0.2;
Point pt = (p1 + v * threshold).cast<coord_t>();
if (nd * nd < l2)
pt = (p1 + threshold * v * (nd / sqrt(l2))).cast<coord_t>();
//Point pt = ((nd * nd >= l2) ? (p1+v*0.4): (p1 + 0.2 * v * (nd / sqrt(l2)))).cast<coord_t>();
pt.rotate(angle, paths.front().polyline.points.front());
// generate the travel move
gcode += m_writer.travel_to_xy(this->point_to_gcode(pt), "move inwards before travel");