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Show HN: I turned GitHub contribution history into a driveable 3D city

A developer created GitCity, a 3D interactive city generated from users' GitHub contribution history, where each tile represents a day of coding activity and users can drive around to explore their year of contributions.

Background

- The site transforms a GitHub user's contribution graph (the green grid showing daily commits) into a procedurally generated 3D city you can fly or drive through. Each "building" is a day's contributions; taller buildings = more commits that day. - Created by Natraj (natrajx) as a side project, posted on Hacker News ("Show HN"), a forum where makers share their work. - GitHub contribution graphs are a familiar, often gamified part of developer culture — this project literalizes the "building" metaphor many devs use when talking about coding streaks or project growth. - The project uses Three.js (3D graphics library) for rendering and runs in the browser; you enter any public GitHub username to generate their city.

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