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| author | Lukas Matena <lukasmatena@seznam.cz> | 2020-01-17 18:01:49 +0300 |
|---|---|---|
| committer | Lukas Matena <lukasmatena@seznam.cz> | 2020-01-17 18:02:23 +0300 |
| commit | d8f2c8cdab10247fe54421bc3aaf46f668ad81a3 (patch) | |
| tree | ca96ca64ca0227f06a6d3d583a9afa49cdc0ff27 /src/libslic3r/SLA/Hollowing.cpp | |
| parent | 49678fe418c8bbdfcd60cc0996a0e2c4f9b44033 (diff) | |
Fixed a bug in the hole-aware raycaster
Diffstat (limited to 'src/libslic3r/SLA/Hollowing.cpp')
| -rw-r--r-- | src/libslic3r/SLA/Hollowing.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libslic3r/SLA/Hollowing.cpp b/src/libslic3r/SLA/Hollowing.cpp index 8dc2d3092..5ab85c1cc 100644 --- a/src/libslic3r/SLA/Hollowing.cpp +++ b/src/libslic3r/SLA/Hollowing.cpp @@ -223,7 +223,10 @@ bool DrainHole::get_intersections(const Vec3f& s, const Vec3f& dir, // they are on the cylinder and not past it: for (int i=-1; i<=1 && found !=2; i+=2) { Vec3f isect = closest + i*dist * projected_ray.direction(); - float par = (isect-proj_origin).norm() / par_scale; + Vec3f to_isect = isect-proj_origin; + float par = to_isect.norm() / par_scale; + if (to_isect.normalized().dot(proj_dir.normalized()) < 0.f) + par *= -1.f; Vec3d hit_normal = (pos-isect).normalized().cast<double>(); isect = ray.pointAt(par); // check that the intersection is between the base planes: |