This script is greatly inspired by Komojo's work from the following thread : https://blenderartists.org/t/playstation-1-jittery-texture-effect-not-for-a-game/1167818 ...
Godot v4.1.1.stable - Windows 10.0.22621 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 3070 Ti Laptop GPU (NVIDIA; 31.0.15.3734) - 12th Gen Intel(R) Core(TM) i9-12900H (20 Threads) I have been ...