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A real-time 4D fractal explorer in the browser using WebGPU

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Hi HN, I've always been interested in fractals, especially the Mandelbrot and Julia sets. A few years ago I created a 2d viewer of this inherently 4d space. But the other day I decided to ask Claude and GPT how to make this a full RT 3d explorer. A few hours later and this was vibe coded.To use it you can use the mouse to rotate the fractal the the mouse wheel to zoom in and out. to map from 4d to 3d, one of the dims is mapped to an adjustable slider. the there is also a clipping plane slider to help visualize the internal structures of the fractal.I have mixed feelings about vibe coding. It was amazing to go from an idea to live implementation within a few hours, but in my coding projects, I've always appreciated the journey and the learning, not just the final product. Vibe coding kind of skips to the end which is exciting and efficient, but just not as fulfilling as struggling through a project step-by-step.

HN · launched Dec 11, 2025 · 26 upvotes (top 30%) · 0 views

Niche: data and scientific visualization tools · 146 launches, 3 in the last 7 days ▼ -50% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • B2C
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

More like this: all 146 launches in data and scientific visualization tools →

Could you build this?

Yes The creator explicitly confirms this WebGPU raymarching 4D fractal explorer was vibe-coded with Claude and GPT in a few hours.

Discussion

9 comments analyzed.

Competitors mentioned: Unity (for desktop/mobile apps), Next.js (for comparison of bundle sizes)

Concerns raised: 3D UX not suited for regular UI tasks beyond games, iOS 26 has horrible UI-wise, WebGPU cross-platform availability not until 2026

Feature requests: Color adjustment sliders, Download/export canvas content button

Competitors

Other products that read as similar to this one : 178 launches clear the similarity bar, closest 8 shown.

Attention rank: #73 of 179 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 41 days after the earliest competitor.

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.