The Donald Trump: New top story on Hacker News: Show HN: a Rust ray tracer that runs on any GPU – even in the browser

Monday, 3 November 2025

New top story on Hacker News: Show HN: a Rust ray tracer that runs on any GPU – even in the browser

Show HN: a Rust ray tracer that runs on any GPU – even in the browser
15 by tchauffi | 0 comments on Hacker News.
I’ve been experimenting with Rust lately and wanted a project that would help me explore some of its lower-level and performance-oriented features. Inspired by Sebastian Lague’s videos, I decided to implement my own ray tracer from scratch. The initial goal was just to render a simple 3D scene in the browser at a reasonable frame rate. It evolved into a small renderer that can: • Run locally or on the web using wgpu and WebAssembly • Perform mesh rendering with a Bounding Volume Hierarchy (BVH) for acceleration • Simulate both direct and indirect illumination for photorealistic results • Be deployed easily as a free web demo using GitHub Pages The project is far from perfect, but it’s been a fun way to dig deeper into graphics programming and learn more about Rust’s ecosystem. I’m also planning to experiment with Rust for some ML projects next. GitHub: https://ift.tt/q56PEO1 Web demo (desktop browsers): https://tchauffi.github.io/rust-rasterizer/ Would love feedback from anyone who’s built similar projects or has experience with wgpu or ray tracing in Rust.

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