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TOPIC: Is rain possible in ReShade?

Is rain possible in ReShade? 2 months 4 weeks ago #1

I'm no good with coding or the technical aspects of ReShade's creation so I don't know if this is simple/hard or straight up impossible, but would it be possible to make a shader that adds rain to a world? Maybe it could use the depth buffer to cut off before/after a certain distance or change something about the rain to make it seem more believable.
And maybe if you can't, or don't have the time to, do it yourself could you point me in the right direction for where I could try to figure it out myself?

Thanks for your time
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Is rain possible in ReShade? 2 months 3 weeks ago #2

In theory it would be possible make realistic rain effect for a still scene using depth buffer as a mask, but as soon as you start moving or turning the camera, the effect will start looking like it's glued on top without actually being in the physical 3d world. It is possible to add some kind of tracker function, which determines frame by frame basis if youre moving but either it would be too inaccurate producing problems I mentioned above, or it would be too taxing on system resources to be actually playable while still producing mentioned problems.
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Is rain possible in ReShade? 2 months 3 weeks ago #3

Instead of going that complicated, a very simple animated overlay would do the trick in scenes that do not require overhead occlusion (which generally isn't possible in Reshade anyway.)
Last Edit: 2 months 3 weeks ago by TreyM.
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Is rain possible in ReShade? 2 months 3 weeks ago #4

TreyM wrote:
Instead of going that complicated, a very simple animated overlay would do the trick in scenes that do not require overhead occlusion (which generally isn't possible in Reshade anyway.)

Yea, I figured rain occlusion wouldn't be possible. But it's never really meant for in-game play, I'm more interested in adding rain to screenshots or still recordings. If I was gonna do that I'd probably go to modding the game itself, however that would work
(Though simply adding realistic rain for actual in-game play through ReShade would still be awesome)
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Is rain possible in ReShade? 2 months 3 weeks ago #5

Yes, it's possible but as said before, it will ignore any camera movement and stay in position relative to screen. What's possible is to have object intersection so it's not just a 2D layer in front of everything and also it's possible to jitter the drops a bit so each has a different distance. But detecting such an intersection is sadly not possible so you can't produce matching ripples in reflections.
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