I started learning Godot about 2 weeks ago. I feel an urge to save all these vids for when I need them haha
this post was submitted on 28 Sep 2026
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Youtube encoding doesn't help, but I'm not sure about the "fire" effect here.
It reminds me of when I turned Minecraft's end skybox into a purple-ish Moiré pattern (no shader needed, just a checkerboard texture viewed at a distance+angle).
Back to Godot, I made a toon-like light shader with the step function being the important bit*. It is probably good enough to use, though it's a bit frustrating how I can't seem to keep input colors accurate. Ambient color works acceptably, though I somewhat wish I could control it more, also seeing issues with light range/multiple lights.
I also haven't found a good way to handle light color. I can ignore it or mix color (can look ugly). It's probably possible with dot() but I can't seem to do it right.
Using HSV is probably needed here, although to me it seems like an absolute mess without it being built-in.
* unshaded+1 shadow w/ambient with DIFFUSE_LIGHT = , 5(?) shades with DIFFUSE_LIGHT += but it's also too bright
Yeah, I don't say it's the best possible simulation. It could be a lot better. The point was to demonstrate the usage of the light() function, mostly.