UIWS - Unified Interactive Water System

 
 

UIWS is the leading solution for dynamic interactive water bodies in Unreal Engine 4. Beautiful unified interactive fluid, interactive caustic lighting, collision and damage handling and more! The plugin is super easy to use with almost no setup required; Simply drag, drop, scale, and play!

 
 

Features

  • Real-time fluid interaction with caustic reflection and refraction.

  • Any body size, Any body count

  • Automatically interacts with any object, mesh, or even particle effect.

  • Collision and damage particle effect spawning, out of the box

  • Water sim affects foliage

  • Designer friendly - easy to setup, no restriction on body scale or number. Just beautiful water for your game!

  • Easy to customize in editor or via Blueprint.

  • Optional full manual control over all systems via blueprint or c++ events and override

  • Underwater post processing

  • Well optimized for a wide range of target hardware

  • NEW - Low end (Nintendo switch/mobile) aggressive optimization options

  • NEW - Spline Rivers

  • NEW - Custom Mesh Support

  • NEW - Physical Ripple Reflection

 
 

Real time fluid surface interaction with caustics

Easily add beautiful dynamic water bodies with interactive caustic reflection/refraction and foliage interaction to your game. Any size, any number, just drag and drop, UIWS handles the rest.

Optional Manual control, fully customisable

Written in C++ for optimal performance, with blueprint functions and events for easy extensibility. UIWS can also be added to your own materials with a simple material function.

 

Collision and Damage Particles

Particles spawned automatically for actor collision and on unreal damage events! No setup required - just add it to your project and get splashing!

Optimized for Maximum Performance

UIWS has been written in native C++ and optimized to run on as wide a variety of hardware as possible. Check out the performance test video below.

See it in action!

Rivers Demo

Trailer

UIWS is the leading solution for dynamic interactive water bodies in Unreal Engine 4. Beautiful unified interactive fluid, interactive caustic lighting, collision and damage handling and more! The plugin is super easy to use with almost no setup required; Simply drag, drop, scale, and play! More info here: https://egray.io/UIWS
The River update is Live! UIWS 1.7 is now available across all platforms bringing fixes and the much requested support for rivers and custom water meshes (beta)! Patch Notes: https://egray.io/uiwsdocs/#ReleaseNotes Get it on the marketplace: https://www.unrealengine.com/marketplace/en-US/uiws-unified-interactive-water-system

4K Performance Test

Plugin Overview Video

Been working on this plugin for a little while now and wanted to give you a look at what it is and what you can do with it. Always open to critique so if you have thoughts share them! I want this to be the most comprehensive and designer friendly plugin it can be.
Just put together a quick performance comparison of my interactive water plugin. i7 6700k GTX 1080ti 4k Epic vs Low scalability settings

Photorealism Demo

 
Added my water plugin, UIWS, to the example level in one of my favourite asset packs - Redwood Forest by Mawi. The environment and water shaders are all those from their asset pack, with my caustics and interaction added. https://egray.io/uiws

Shootybangs Demo

Grabbed Weapon Factory (beautiful weapon + attachments art pack) by @DrumsTalking so I could shoot my water with em. Cool pack - go check it out! https://www.unrealengine.com/marketplace/en-US/weapon-factory UIWS is available on gumroad or the marketplace
 
 
Documentation

Reviews

Reviews from owners/users on the Epic Marketplace

 
“Really Amazing Plugin. AAA Solution for Water [...] great customer support by the developer.”
— Franke Harald
“Been using this on InFlux Redux for a few weeks. Super easy to get going, Elliot provides good support, and it’s performant on Nintendo Switch. Which is saying something. Great water, buy it.”
— Joe Wintergreen