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Here's a screenshot of the shader graph for this effect

Hmm. I tried to make this in Amplify Shader Editor, but I'm not getting the same results. Has anyone had luck with this and wants to share more?

Does it not do anything or is it looking weird? Would you be able to share your graph setup perhaps?

Ah, I've never heard of this technique but I think I get it! You compare the scene depth of the fragment to the scene depth at an offset based on the screen-space lighting direction. If the depth is much deeper, then you know it's at the very edge of the object. Very cool. Are there any artifacts?

Yeah, it's really cool for 2D/anime-style stuff ✨ there shouldn't be any artifacts, only thing to keep in mind is that because the offset currently has a constant pixel size, when the camera gets too far away, the rim becomes much bigger proportionally. Some ddx/y maths should keep it constant tho

Neat! That makes sense, that sounds solvable. If you have two objects right next to each other, does it not sample a depth that's very similar, and then it doesn't get a highlight for one of the objects? That's what I was thinking of I guess this depends on how big the depth threshold is 🤔

looks lovely, I love a good depth rim light! I also use it a lot for readability in my games, making elements more *pop*

Please finish your game, Jonas, so I can put it on my Steam Deck and play the heck out of it 🎣🚗

That looks lovely and really fits the style.