Kotlin likes to Demoparty
summary
Kotlin code uses OpenRender to build a retro low‑res demo: layered fragment shaders (imported from ShaderToy) produce a gradient sky, scrolling bitmap text, stars drawn with signed distance functions, and pixel art layers; live reload updates visuals instantly. The demo runs live but audio spawns duplicate loops unless live update is disabled. The talk ties these techniques to demoscene history, shows shader math and ray‑marching possibilities, and points to resources for reproducing the production.
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chapters (6)
- 0:00Introduction
- 8:12Live coding with OpenRNDR
- 18:03Demo scene in the 90s
- 25:36Shaders and fragment programming
- 41:27Modern demo scene trends
- 47:24Resources and closing
