Ten beats, one hundred and sixty frames.

Every value above came from the module, not from this page. The subject box it reports is 0.87 by 0.75 of the frame.

Bench 01 · what you just scrolled

A measurement bench for one scroll-driven canvas.

A frame sequence on a transparent ground, scrubbed on a canvas by a single scroll spring. The readouts track the module directly, so the scrub can be doubted and checked rather than admired. The sequence on screen is synthetic — the rendered movement replaces this folder and nothing else changes.

Lead path · under the set-piece on purpose

Every demo ships this form beneath its scene. It sits here so the gate chain can prove the two coexist — that a sticky stage, a shared-ticker draw loop and two intersection observers do not break the worker path the demos depend on.