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Tests: a cam's edge is picked on its rim, off the vertex where its circle's seam meets it

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picked_edges_give_the_sketch_s_table picked [E + R, 0, 5]: on SMLib's extruded circle that is the
vertex where the side's seam meets the top rim, a pick either edge answers, and it took the
seam. The pick is now a quarter turn round the rim, [E, R, 5]; the product's pick rule is
unchanged (owner's call).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
jyviko
2026-10-29 00:34:55 -04:00
committed by Irakli Kourtis
parent da4f122f4c
commit d0daee90ff
1 changed files with 4 additions and 2 deletions
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crates/engine/src/cmd/joints_cam_tests.rs
+4 -2
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@@ -158,7 +158,9 @@ fn picked_edges_give_the_sketch_s_table() {
s.doc.assembly.links.first().map(|l| (l.lift.clone(), l.offset)).unwrap_or_default()
};
let (sketch, a) = table(json!({"sketch": "CamSketch"}));
let (edges, b) = table(json!({"edges": [[E + R, 0, 5]]}));
// Picked on the rim a quarter turn from where the extruded circle's seam meets it: a pick on
// that vertex could be either edge.
let (edges, b) = table(json!({"edges": [[E, R, 5]]}));
assert_eq!((sketch.len(), edges.len()), (360, 360));
assert!(sketch.iter().zip(&edges).all(|(x, y)| close(*x, *y, 1e-3)) && close(a, b, 1e-3));
// A second disc of the cam's component touching it in the same plane is not part of its loop.
@@ -171,7 +173,7 @@ fn picked_edges_give_the_sketch_s_table() {
assert!(touching.len() == 360 && touching.iter().zip(&sketch).all(|(x, y)| close(*x, *y, 1e-3)), "{touching:?}");
let mut s = cam_on_base();
tappet(&mut s, 0.0, E + R);
run(&mut s, "joint.cam", json!({"a": "Cam", "b": "Tappet", "profile": {"edges": [[E + R, 0, 5]]}}));
run(&mut s, "joint.cam", json!({"a": "Cam", "b": "Tappet", "profile": {"edges": [[E, R, 5]]}}));
assert!(matches!(
s.doc.assembly.links.first().and_then(|l| l.coupling.clone()),
Some(Coupling::Cam(c)) if matches!(&c.profile, CamProfile::Edges { names, .. } if names.first().is_some_and(|n| !n.is_empty()))