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Print: a slice preview (one layer as the printer makes it, any layer height); fry_print layer N; tests

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-21 07:53:54 +02:00
commit 67866ed0fb
4 changed files with 62 additions and 1 deletions
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7
tests/mesh_test.cpp
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@ -449,6 +449,13 @@ int main() {
CHECK(checkForPrint(o).closed() && checkForPrint(o).volume < 0.05f * 0.04f * 0.01f, "an O has its hole (%g m3)", checkForPrint(o).volume);
CHECK(makeText({}, "x", st, &err).faces.empty() && !err.empty(), "no font: nothing, and why");
}
// A slicer's layer: a 1 m cube cut halfway is a 4 m outline, a cylinder's a circle's.
{
float len = 0;
for (const auto& [a, b] : sliceAt(makeCube(1.0f), 0.1f)) len += glm::distance(a, b);
CHECK(std::abs(len - 4.0f) < 1e-4f, "a cube's slice: 4 m round (%.4f)", len);
CHECK(sliceAt(makeCube(1.0f), 2.0f).empty(), "above it: nothing");
}
// Wall thickness: a box 2 mm thin one way is 2 mm thick on its big faces, 1 m the other ways.
{
Mesh slab = makeCube(1.0f);