Help Wave effect on fluid surface

[Guybrush]

You could simply draw the interacting objects to a mask/stencil buffer, and generate ripples only outside of the mask. Or you could force the water "height" to zero inside the mask. Most 2D wave effects allow for something similar to this, it's pretty easy to achieve, and much more performant than particles.

Ok,  I'll try! Thank you! Do you know some good 2d effect that I could use?

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Scuse me, I've another question. Is it possible to use an image for the refrection with the simple2dfluid shader?