3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-08 23:46:24 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

ENH: fix one assert in wall generater

Browse source 
Thanks PrusaSlicer

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: I39456246c0fa1bde68fdd86690e4ef015a349898
This commit is contained in:
salt.wei 2023-06-16 16:08:03 +08:00 • committed by Lane.Wei
parent 6c41c6cd1a
commit 68c990a1de
1 changed files with 23 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/libslic3r/PerimeterGenerator.cpp
View file

@ -413,22 +413,38 @@ static ClipperLib_Z::Paths clip_extrusion(const ClipperLib_Z::Path& subject, con
ClipperLib_Z::Clipper clipper;
clipper.ZFillFunction([](const ClipperLib_Z::IntPoint& e1bot, const ClipperLib_Z::IntPoint& e1top, const ClipperLib_Z::IntPoint& e2bot,
const ClipperLib_Z::IntPoint& e2top, ClipperLib_Z::IntPoint& pt) {
// The clipping contour may be simplified by clipping it with a bounding box of "subject" path.
// The clipping function used may produce self intersections outside of the "subject" bounding box. Such self intersections are
// harmless to the result of the clipping operation,
// Both ends of each edge belong to the same source: Either they are from subject or from clipping path.
assert(e1bot.z() >= 0 && e1top.z() >= 0);
assert(e2bot.z() >= 0 && e2top.z() >= 0);
assert((e1bot.z() == 0) == (e1top.z() == 0));
assert((e2bot.z() == 0) == (e2top.z() == 0));
// Start & end points of the clipped polyline (extrusion path with a non-zero width).
ClipperLib_Z::IntPoint start = e1bot;
ClipperLib_Z::IntPoint end = e1top;
if (start.z() <= 0 && end.z() <= 0) {
start = e2bot;
end = e2top;
}
assert(start.z() > 0 && end.z() > 0);
if (start.z() <= 0 && end.z() <= 0) {
// Self intersection on the source contour.
assert(start.z() == 0 && end.z() == 0);
pt.z() = 0;
}
else {
// Interpolate extrusion line width.
assert(start.z() > 0 && end.z() > 0);
// Interpolate extrusion line width.
double length_sqr = (end - start).cast<double>().squaredNorm();
double dist_sqr = (pt - start).cast<double>().squaredNorm();
double t = std::sqrt(dist_sqr / length_sqr);
double length_sqr = (end - start).cast<double>().squaredNorm();
double dist_sqr = (pt - start).cast<double>().squaredNorm();
double t = std::sqrt(dist_sqr / length_sqr);
pt.z() = start.z() + coord_t((end.z() - start.z()) * t);
pt.z() = start.z() + coord_t((end.z() - start.z()) * t);
}
});
clipper.AddPath(subject, ClipperLib_Z::ptSubject, false);