Turn Unity's Splines Into Dynamic Rivers With Automatic Spatial Audio

If you're a Unity developer looking for a stylized water solution for your projects, or you already use Stylized Water 3 by Staggart Creations, the tool has now been upgraded with the new River Modeler expansion.

Originally released in 2024, River Modeler has been rebuilt from the ground up to accommodate engine changes and is now relaunching as part of Stylized Water 3. Built on Unity's native Splines, the tool automatically generates optimized river geometry, cascades, VFX, and spatial audio as you edit. It also intelligently selects the appropriate audio type, stream, rapids, or cascade, based on the river's slope and displacement.

Under the hood, it leverages Unity's Job System and Burst to keep everything fast and responsive while editing. Rivers are split into smaller sections for better culling and rendering performance, and automatic LODs help optimize them based on distance. You can learn more about the technical details in this article.

The base asset includes a variety of normal map and foam textures you can switch between with a simple dropdown, and you can also choose your own custom textures. Users of the legacy standalone River Modeler asset can also get a 40% upgrade discount. New users can get River Modeler at 50% off for one week.

River Modeler requires Stylized Water 3 to be installed, so it's strictly compatible with URP. Purchase it here and check out Underwater Rendering, another extension for Stylized Water 3:

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