GPT 6 Astra Renders a 4K ISS Cinematic in Three.js with Custom GLSL Atmosphere Shaders
ChrisGPT · x · 2026-10-24
ChrisGPT showcased a 40-second ISS cinematic created with GPT 6 Astra, fully rendered in Three.js/WebGL. Highlights: custom GLSL shaders for Rayleigh/Mie atmospheric scattering, ozone absorption, moving cloud layers with shadows, and ocean sun glints across the day-night terminator; a custom 13-bone rig on a Smithsonian spacesuit scan with GPU skinning, procedural floating arm movements and dynamic HDR visor reflections. Rendered frame by frame at native 4K — 1,200 frames at 30 fps. An interactive version is available.
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