2D Lighting, I did something that looks cool, help me understand what I did!

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:bust_in_silhouette: Asked By HeroicNate

For the past couple days I have been messing around figuring out normal maps and 2D lighting in Godot. I got it working but ended up applying a spatial shader that made it even cooler except I don’t understand at all what I did, because for some reason it can’t be undone.

This video shows what I am talking about:

Any information or direction I could get towards tutorials on what I actually did would be great. Especially info on why it appears attached to that image forever, even when I remove all materials.

Thanks if you can help!