Codex, Three.js build surprisingly complete voxel city demo

// 1h agoTUTORIAL

Codex, Three.js build surprisingly complete voxel city demo

A retweeted first pass at building a voxel city with Codex and Three.js. The demo already includes roads, buildings, parks, traffic lights, and pedestrians, which makes it feel less like a toy render and more like a working city scaffold generated in one shot.

// ANALYSIS

Hot take: this is a strong proof-of-capability for agentic coding, but it is still a demo rather than a production-ready system.

–The main signal is speed and scope: Codex appears to have assembled multiple city subsystems quickly.
–Three.js is a good target for this kind of experiment because the result is instantly visible in the browser.
–The listed features suggest the agent handled composition and scene logic, not just basic voxel placement.
–It likely still needs manual polish for layout quality, consistency, and interactivity.

// TAGS

codexthree.jsvoxelwebglcreative-codingai-codinggenerative

DISCOVERED

1h ago

2026-05-08

PUBLISHED

2h ago

2026-05-08

RELEVANCE

7/ 10

AUTHOR

givros

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