Huh. My browser says the file is corrupt and can't play the video.
Edit: it works in chrome but not mull or firefox on android.
I'll maybe have to think about downscaling videos the next time, because it also took a very long time to load for me, maybe it just failed because the download was somehow interrupted?
Awesome! It looks great and must have quite a bit of work to implement (or so I imagine, as someone whose most complex shader has been a shader mimicking drug-induced vision distortion). I'm actually intending to use such a water shader in one of my games. Just that this one won't be based on making the sum of a series of sine waves, because what I'm doing is a simulator, so I'm aiming for a realistic non-stylized look. To make realistic waves, one needs a lot of of sine waves, and simply summing them won't scale well. One way to optimize it would be to use an inverse fast Fourier transform (FFT). I'm unfortunately not smart enough to understand the math behind it, so I tried looking at shaders other people already wrote and the only one I found that seemed to do what I needed was this one: https://github.com/tessarakkt/godot4-oceanfft
Unfortunately I wasn't able to run that oceanfft shader, because every time I try I get this bug: https://github.com/godotengine/godot/issues/71929 So for now, I will have to wait until it gets fixed (which will probably take a really long time since it seems to be a really hard problem to reproduce and diagnose). :)
I implemented this shader in only like 2 evenings, but I also mostly knew the techniques required for this and with a physics major the maths behind it came somewhat naturally to me :) The fact that everything can be done with just the one shader file also made it a lot easier, because I did not have to deal with creating external textures or compute shaders or anything.
Im also just using a simple quad mesh at the moment, and you can kind of see that the waves are a little short on vertices, so adding a LOD system would probably first be necessary to create more realistic waves. Otherwise, if you play with the parameters and maybe change the function from a sin to something that looks more like an ocean wave, you could probably achieve fairly realistic water with just sum of sine (altough someone will have to calculate the derivative for that new function, or you could think about using a 1d texture and calculating the slope from that).
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