Show HN: GSS – Write 3D scenes in CSS, compiled to a raymarching shader

Category: web-framework

Tags: css, 3d, shaders, webgpu, raymarching, dsl

Score: 7.5/10 (Innovation: 8, Technical: 8, Documentation: 8, Utility: 6)

GSS (GPU Style Sheets) is a domain-specific language that lets developers write 3D scenes using CSS-like syntax, which is compiled into a single raymarching shader for WebGL2 and WebGPU. It stands out by leveraging familiar CSS concepts like selectors, the cascade, and keyframes to make GPU-accelerated 3D graphics accessible without Three.js or mesh-based workflows.

Target audience: frontend developers

Repository: https://www.gss-lang.dev/ · TypeScript · Apache-2.0 · 111 stars

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