PIXEL SPIRIT is an interesting way to learn GLSL. Using a method of tarot cards, can show the input code & the output image. It’s really nice.
This project is a KHA/HAXE version. Where you can edit & run the shaders.
You can. It’s limited, so get in touch with the creator to see if there will be another release.
Head to PIXEL SPIRIT DECK
• Add an UI component to shift thru the shaders easier/faster