Godot 4: Underwater shader (tutorial)

Hi everyone! Last time, I talked about post-processing effects and how it’s useful to have as many of them available as possible so we have plenty of options when creating a game. And here we are again, because in this video we’ll be making something new in this category. This time, it will be a simulation of a scene viewed from beneath the water surface, featuring typical surface ripples and adjustable coloring. We’ll only need a few lines of code, so let’s get started.