Motion Design · Sep 29, 2026
You can now throw fireflies at mushrooms.
You can now throw fireflies at mushrooms. by Andrei Provkin, credited to Claude Opus 5.5. Watch the Motion Design video and visit the original X post.
Andrei Provkin@AndreiProvkin
View on XYou can now throw fireflies at mushrooms. Demo's live: Also: jump into the water with a splash, chase fish, and admire the rainbow by the waterfall. Performance pass: 4 Claude Code sessions on Opus 5.5, under 5 hours, $41 at API pricing. – by the waterfall, the hottest spot: −28% GPU time per frame – deep in the forest: −26% – on the MacBook's own Retina screen: 2× the fps (24 → 49 with water filling the screen, 32 → 60 cap at spawn) The GPU still draws 45–50 W there. It just spends them on twice the frames. Best find: 5.6M triangles of grass per frame, 95% of them off-screen. Next post: how Claude built itself a GPU profiler and learned to measure the frame on its own. #threejs #tsl #opus
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Video and prompt by Andrei Provkin. Original post ↗
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