# How to do basic fluids?

**URL:** <https://forums.unrealengine.com/t/how-to-do-basic-fluids/372734>\
**Category:** Rendering\
**Tags:** Water, particle-system, build, unreal-engine, fluid, question\
**Created:** [October 7, 2016, 3:57pm UTC](https://forums.unrealengine.com/t/how-to-do-basic-fluids/372734 "2016-10-07T15:57:07Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![cdleu430](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@cdleu430](https://forums.unrealengine.com/u/cdleu430)\
**Post date:** [October 7, 2016, 3:57pm UTC](https://forums.unrealengine.com/t/how-to-do-basic-fluids/372734/1 "2016-10-07T15:57:07Z")

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Hello,

I am making a cooking game and want to have tomato/pizza sauce. So I want to make a red fluid that is somewhat thick. Is there a good place to start on this or some open source asset stuff I can download and build off of?

Thanks!

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**Author:** ![Razer313](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Razer313](https://forums.unrealengine.com/u/Razer313)\
**Post date:** [October 7, 2016, 4:09pm UTC](https://forums.unrealengine.com/t/how-to-do-basic-fluids/372734/2 "2016-10-07T16:09:14Z")

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If you want fluids in your game you could take a look at Nvidia FleX, you will have to build the engine from source to use it however so you should read up on how to do that. When on the below page make sure you select the GitHub repositry for UE4 and don’t just download the SDK

> **[NVIDIA FleX](https://developer.nvidia.com/flex)**
>
> FleX is a particle based simulation technique for real-time visual effects.Traditionally, visual effects are made using a combination of elements created using specialized solvers for rigid bodies, fluids, clothing, etc. Because FleX uses a unified...

Hope that helps

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**Author:** ![laggyluk](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@laggyluk](https://forums.unrealengine.com/u/laggyluk)\
**Post date:** [April 28, 2017, 10:09am UTC](https://forums.unrealengine.com/t/how-to-do-basic-fluids/372734/3 "2017-04-28T10:09:25Z")

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worth mentioning that Flex doesn’t work on ATI cards (it’s not slow, it just doesn’t work)

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**Author:** ![Kenchikuuuka](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Kenchikuuuka](https://forums.unrealengine.com/u/Kenchikuuuka)\
**Post date:** [October 22, 2019, 9:38am UTC](https://forums.unrealengine.com/t/how-to-do-basic-fluids/372734/4 "2019-10-22T09:38:30Z")

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I don’t think flex is the proper solution because it means you’ll have to use a flex editor that is incompatible with lot’s of plugins. I’ve been using it with a 1080gtx and it has lot’s of crashes. Since it has such a great potential and is probably an essential tool to make fluids I hope UE4 and NVIDIA developers cooperate to make the plugin integrated in the engine in the future. meanwhile I would try to use Houdini to do what you require