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Manifold reduction extremity scale shouldn't redundantly include epsilon scale#382

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RossNordby merged 2 commits intomasterfrom
dont-double-scale
Sep 2, 2025
Merged

Manifold reduction extremity scale shouldn't redundantly include epsilon scale#382
RossNordby merged 2 commits intomasterfrom
dont-double-scale

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@RossNordby
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The extremity of a manifold is already in the same units and of comparable scale to the depth; including the epsilonScale just doubles up and introduces subtle instability at extreme scales.

Specifically, you can see a wee bit of contact churn if you enable contact visualization on the new test demo when using epsilonScale, but not with the fix.

h/t @erincatto for the dimensional analysis squinting!

@RossNordby RossNordby added the bug label Sep 2, 2025
@RossNordby RossNordby merged commit 46319bc into master Sep 2, 2025
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