Sand, water and lava pile up in a falling-particle sandbox
18.6K views·110 likes·21 saves·17 reposts·Posted 25 Sept 2026 · 0:44 · Art
Our note
A vertical screen recording of a single-HTML falling-sand physics engine where streams of sand, water, lava and plants pour onto ramps and pool together as the particle count climbs past 78,000; the author cites 108,000 particles at 60fps.
The creator’s post
🚨 Opus 5.5 is the best model launch in 2026 this entire physics engine is one HTML file. sand, water, oil, fire, lava, plants, steam. 108,000 particles at 60fps. built with Opus 5.5. prompt in the replies 👇 follow @cyrilXBT
The prompt
🚨 Opus 5.5 is the best model launch in 2026 this entire physics engine is one HTML file. sand, water, oil, fire, lava, plants, steam. 108,000 particles at 60fps. built with Opus 5.5. prompt in the replies 👇 follow @cyrilXBT
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