Godot 4: Radial blur shader (tutorial)

Hey everyone! I would say that there are never enough post-processing effects, and it’s good to have as many options as possible when deciding which would fit best for our game. This time, I’ve prepared something simple again that fits into a few lines, yet the result can be quite interesting, especially if we’re not averse to some psychedelic effects. Let’s take a look at how we can implement a simple radial blur.