I'm fairly new to Shadertoy and GLSL in general. I have successfully duplicated numerous Shadertoy shaders into Blender without actually knowing how it all works. I have looked for tutorials but I'...

I've been knocking around Shadertoy - https://www.shadertoy.com/ - recently, in an effort to learn more about OpenGL and GLSL in particular. From what I understand so far, the OpenGL user first h...