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Crisis BFT consensus protocol — Go PoC, Python recorder, and CrisisViz: a native macOS scrubbable curriculum visualizer (10 chapters, ~18 minutes at 1×, signed-speed slider with reverse playback).
saymrwulf
463d77f072
The pause button was just a no-op for animation: localTime was always
(now − sceneStart) × speed, so anything inside the scene kept moving
even when isPlaying=false. The auto-advance task was the only thing
the toggle actually controlled. Worse: every fresh launch from the
Dock immediately started ticking, so the user opened the app and saw
the title scene already several seconds in.
Replace the "wall-clock anchor" with a two-state timer:
- accumulatedLocal: time already watched in this scene
- playSessionStart: wall-clock anchor for the live delta (nil when
paused)
localTime = accumulatedLocal + (now − sessionStart) × speed if playing
= accumulatedLocal if paused
Pause now folds the live delta into accumulatedLocal and clears the
session anchor. Resume re-anchors. Scene navigation (next/previous/
goTo) zeros the accumulator and only opens a fresh session if the
engine was already in the playing state. Speed changes capture the
current localTime at the OLD speed so they don't retroactively rescale
already-elapsed time. Auto-advance fires after the REMAINING duration
(not the full duration) so a pause halfway through Ch1.3 doesn't
restart its 24s clock when the user resumes.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| CrisisViz | ||
| src/crisis | ||
| tests | ||
| .gitignore | ||
| Crisis.mirco-richter-2019.pdf | ||
| crisis_data.json | ||
| pyproject.toml | ||