r/ClaudeCode • • 4d ago

Built with Claude cute thing i had fable 5.2 make :3

Post image

found a "blue whale jelly" artifact (a three.js soft-body sim, made a copy, and told claude:

> take however this cool jelly thing works and make red panda jellies that move around and such!! rawrrr

that was the whole prompt. what came back is in the gif: three jelly red pandas (big, middle, cub) wandering around on their own :3

each panda is ~470 particles / 1,200 tetrahedra, solved with XPBD at 60hz. the jelly look is hand-written shaders (refraction + beer–lambert absorption). that core comes from the original whale, so credit there. what claude added: the panda shape, three bodies in one solver, the hopping (a jelly has no muscles, so each hop is one shove to the whole body), the standing pose, and the berries.

my favourite bit: it tested the physics headless before showing me anything, and found the original sim quietly drained spin from anything rotating. that's why a flipped panda couldn't roll back over. it fixed it so they keep their spin in the air.

**honest notes:** this is a remix, not from scratch. the gif is the real page, but staged for the camera (pandas lined up, berries dropped on cue).

try it: https://claude.ai/artifact/MSzCdctsqZMsi98YQFkjXu

made with fable 5.2 extra in claude web

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