Light Table
summary
Built a multiplayer game (Chroma Shift) in a 48‑hour Node Knockout using ClojureScript that compiles to JavaScript, implements a component-entity system for entities-as-IDs and tiny components, hits performance by switching hot paths to JavaScript arrays via macros, totals about 2,300 lines with ~700 core lines, and works at 60fps. Light Table itself is a behavior‑object system (every UI element is a map plus composable behaviors). Pain points: opaque error messages, JVM compiler dependency, analyzer integration, and need for better tooling and screencasts.
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chapters (8)
- 0:00Start
- 5:32Component Entity System
- 16:12Macros to the rescue!
- 17:38Data + Composition
- 22:10Behavior Object
- 27:18Composition for the win.
- 28:17one big data structure
- 30:07wishes for Clojurescript
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