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Friday, June 2, 2023

Unreal Engine 5: You’ve definitely never seen water in games this realistic

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A YouTuber revives The Legend of Zelda: Ocarina of Time in the UE5. And with very detailed water effects.

In 1998, The Legend of Zelda: Ocarina of Time was released for the Nintendo 64. It was then released for the GameCube in 2003 and another four years later for the Wii. In 2011, another spin-off, Ocarina of Time 3D, followed for the 3DS. At (Metacritic), the action adventure game has a whopping 99 points and a user score of 9.1. Many consider Ocarina of Time to be the best series spin-off and even the best game of all time.

YouTuber CryZENx probably also belongs to this group. He already recreated Ocarina of Time in the Unreal Engine 4. In the meantime, he has ported parts of it to the brand-new Unreal Engine 5. We often talk about incredibly chic graphics at this point. This was also the case a few months ago with a look at the following demo!

This is how realistic water can look by now

In this case, however, the look in its entirety is not the decisive factor, although the leap in comparison to the original versions is quite remarkable. The most exciting thing about the following video is the water effects or rather the water physics – see for yourself:

Picturing water in a physically correct way is no easy task. Just imagine how even the tiniest currents and surges affect the countless water molecules. In a single litre of water there are about 3.37 x 10 to the power of 25 water molecules, or in other words: 33.7 quadrillion. On top of that, there are light refractions and reflections.

Calculating the movement of all the molecules is therefore practically impossible, so any calculation by an engine or a simulation is only a rough approximation. All the more astonishing, then, how well the Unreal Engine 5 manages to do this in The Legend of Zelda: Ocarina of Time, although it is of course not perfect.

Water in simulations and other games

Dedicated simulations of water in motion give even better results. Take a look at this video. Games and game engines, however, have to include many more aspects and calculate them in real time. You can take a closer look at how water has evolved in games over the years in the following video:

Which games exist or will exist in the Unreal Engine 5, we have collected for you here:

(Which games use the Unreal Engine 5?)

What do you think of the fan project? Have you ever seen water calculated more accurately in a game? Feel free to write us in the comments!


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