Physically Based Rendering | Unity Shader Code Basics 07

Published: 28 April 2026
on channel: Daniel Ilett
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PBR is such an effective technique for materials because it lets us, as artists, just describe the physical properties of an object and let the underlying lighting calculations work out how the lighting should appear. Compared to the Phong reflection model, there's less manual tweaking of lighting parameters until things look about right.

✨ By the way, when this goes live, Retro Shaders Pro is on sale! https://assetstore.unity.com/packages...
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👇 Download the project on GitHub: https://github.com/daniel-ilett/shade...
📰 Read this tutorial in article format instead: https://danielilett.com/2026-04-28-tu...
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✨ Snapshot Shaders 2 has you covered for all your post processing needs: https://assetstore.unity.com/packages...

📚 Get a copy of my shader book here: https://link.springer.com/book/10.100...
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