Simulating water is damn hard. It flows as it wants, where it wants, it ripples in all kinds of ways, reflects light, everything breaks and moves differently under water… it’s more complicated than a manual for a Japanese video.
Nevertheless, there are already techniques to keep and move the water in such a way that it resembles the real transparent liquid. Fluid Flux 2.0 is a module for Unreal Engine 5 and takes care of just such a simulation. And so that we can try the bath on our own T-shirt, there is a technical demo. You get a robot in the washing machine, several test locations and a few keys to control. You go for a walk with the robot, for example, on the beach, and then you just stare at how the water ripples, glitters, breaks against the stones and the universe is amazed, it looks almost like real water.
In addition, the demo is completely undemanding and without a problem it whizzes over 100 frames even on my ancient RTX 2080. In the selected place you can run, swim, jump, jump like a tent and let yourself be carried away by the current, move by the sun and generally win to your heart’s content. It’s more of a pastime to admire, but it shows progress in water simulation. Usually, water just looks like a strange pre-calculated mass that doesn’t react to the surroundings in any way, which can destroy an otherwise perfect scene. Well, let’s look forward to it, UE5 can do a lot.
The download link is below the video above or directly here.
Source: Pctuning – Všechen obsah by pctuning.cz.
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