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ENH: add vertical support enforcer

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Previously painting support enforces on vertical faces doesn't work, as projecting the facets downwards will give empty polygons.
Now we use a different mechanism to enable vertical paint-on enforces, by directly adding contact nodes.
Note: this feature only works with tree support as only tree support has contact nodes.

jira: none
Change-Id: Id171b1665566d142a6427285baccb40c0aa00949
(cherry picked from commit 9c882f61eb37350a4486df58de48f0ae489f2d15)
(cherry picked from commit 68625a6e601e2feef8e56693da1f58372b27b560)
This commit is contained in:
Arthur
2024-03-21 16:43:45 +08:00
committed by Noisyfox
parent 5054ee8508
commit ae6fadda4d
8 changed files with 70 additions and 17 deletions
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src/libslic3r/TriangleMeshSlicer.hpp
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@@ -107,6 +107,7 @@ void slice_mesh_slabs(
const Transform3d &trafo,
std::vector<Polygons> *out_top,
std::vector<Polygons> *out_bottom,
std::vector<std::pair<Vec3f, Vec3f>> *vertical_points,
std::function<void()> throw_on_cancel);
// Project mesh upwards pointing surfaces / downwards pointing surfaces into 2D polygons.