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(r/place)

A real-time, collaborative pixel art platform inspired by Reddit's r/place, implemented in Clojure and ClojureScript.

Constraints / design choices

  • No database, delibrately not to use a database or external dependency. This will help us highlight some of the goodness Clojure has to offer.
  • Project aims to host only one global canvas.

Architecture

Backend is a HTTP-kit server which serves both HTTP and WebSockets requests.

sequenceDiagram
    participant A as "UI (Clojurescript)"
    participant B as "Backend (Clojure)"
    B-->>A: HTTP: Render UI
    B-->>A: WS: Send canvas
    B-->>A: WS: Send canvas updates
    A-->>B: WS: Send canvas update
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Dev setup - WIP

Stream recordings

The project is built on a 'watch me code' streams hosted by clojure-camp