After lunch, I want to replicate the sketch shader I wrote for the Pencil-vs-Camera project.

Instead, I wrote a one-pass shader for dotted drawing / sketch post processing effect. I think it’s more beautiful.

Demo

Click on the embedded ShaderToy window below to play the real-time dotted drawing shader:


Press the mouse for a slower but more classic sketching effect, though I prefer the dotted version.

Code

Shader forked and related ones are listed in the code.