Files
RP412/MUNGA
CydandClaude Opus 5 3c49bc4fd1 A running mean is blind to alternation
The split is unanimous and one detail settles it: in two windows the eye
travelled 0.0001m - a trackside camera standing perfectly still - and the
pod stalled 15 and 29 times anyway. CameraShip::FollowGoal is exonerated,
and so is the pan. It is the pod motion itself.

That contradicts this trace only in appearance. It has been comparing each
step against a RUNNING MEAN, and a running mean cannot see an alternating
pattern: high, low, high, low averages to the mean and nothing ever looks
anomalous. The renderer compares each frame against the PREVIOUS one,
which catches exactly that, and counted 15 to 46 stalls in the same motion
this trace called clean. So the mean test never ruled out uneven motion.
It only ever ruled out drift.

Apply the same consecutive test one level down, and keep twelve
consecutive step lengths verbatim so the shape can be read rather than
inferred from counters. Twelve steps is a quarter second at 50Hz - long
enough to show a beat, short enough to fit on one line.

The clock fix confirmed itself in passing: the reported intervals are now
multiples of 17ms, the frame time, which is the honest resolution for a
per-frame detector. The 1/32s artifact is gone.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-11 10:33:57 -05:00
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