rework specular description for PRM

ScanMountGoat / Smush-Material-Research

Smash Ultimate material and rendering information

https://scanmountgoat.github.io/Smush-Material-Research/

MIT License

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rework specular description for PRM #6

Open ScanMountGoat opened 3 years ago

ScanMountGoat commented 3 years ago

This should just describe how specular is converted to IOR and give a few sample images of the fresnel curve and resulting rendered image for an in game model. The existing explanation is a bit technical and requires too much intuitions about surface reflectance.

[x] rework specular description
[x] show a comparison with mario for fresnel and rendered result for different specular values
[ ] show an example nodegroup in Blender

ScanMountGoat commented 3 years ago

It might be clearer to just show what a fresnel curve looks like and only give a brief explanation. The technical details aren't relevant and require too much notation to express clearly. unknown (1)