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Ported point_along_segment(), Polyline::length(), Polyline::clip_end() to XS

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Alessandro Ranellucci 2013-10-27 22:57:25 +01:00
parent 26a18a2a52
commit 29b83517cb
12 changed files with 64 additions and 57 deletions
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21
xs/src/Polyline.cpp
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@ -19,6 +19,27 @@ Polyline::lines() const
return lines;
}
// removes the given distance from the end of the polyline
void
Polyline::clip_end(double distance)
{
while (distance > 0) {
Point last_point = *this->last_point();
this->points.pop_back();
if (this->points.empty()) break;
double last_segment_length = last_point.distance_to(this->last_point());
if (last_segment_length <= distance) {
distance -= last_segment_length;
continue;
}
Line segment(last_point, *this->last_point());
this->points.push_back(*segment.point_at(distance));
distance = 0;
}
}
#ifdef SLIC3RXS
SV*
Polyline::to_SV_ref()