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OpenPBR-viewer

An example implementation of the OpenPBR Surface shading model in a WebGL pathtracer and rasterizer. Includes support for the full OpenPBR v1.2 spec: coat darkening, thin-film iridescence, spectral dispersion, subsurface scattering, fuzz, and more.

Run the live app here.

Running locally

Install npm, then:

npm install

Development (with hot-reload):

npx vite

Then open http://localhost:5173/OpenPBR-viewer in your browser.

Production build:

npm run build
npm run preview

Then open http://localhost:8080/OpenPBR-viewer in your browser.

This project uses the Standard Shader Ball asset.

UI controls:

  • left-click mouse to rotate, right-click mouse to pan camera
  • F key to reset camera to Standard Shader Ball default
  • AWSD keys to fly
  • H key to hide/show the UI
  • P key to save a screenshot of the current render
  • F11 key to enter/exit fullscreen mode
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