https://thebookofshaders.com/11/

For Ken Perlin the success of his algorithm wasn’t enough. He thought it could perform better. At Siggraph 2001 he presented the “simplex noise” in which he achieved the following improvements over the previous algorithm:

• An algorithm with lower computational complexity and fewer multiplications.
• A noise that scales to higher dimensions with less computational cost.
• A noise without directional artifacts.
• A noise with well-defined and continuous gradients that can be computed quite cheaply.
• An algorithm that is easy to implement in hardware.

I know what you are thinking... “Who is this man?”

Shader coders seriously have the worst sense of coding style in existence. Never name your variables. Never add whitespace, unless doing so hurts readability.

https://tempo.xyz This page has a seriously cool shader animation.

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https://dukope.com/devlogs/obra-dinn/tig-32/ Lucas Pope has some cool demos about Return of the Obra Dinn dithered graphics.