This is an awesome tool!
I created Unity version (porting from your Godot ver)and works completely.
Can I publish It( github )?
Nice! Yeah, feel free to publish. Maybe post a link here too.
https://github.com/hmcGit/UniPixelPlanet
It's Unity version!
Awesome, thanks for sharing!
Nice!! Is it also possible to use the shaders directly in a 2D game?
I think it is possible.In the project sample scene, I use this shaders at the 2d images.