Nanite Foliage - Grass

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Demo (Default settings are Epic, you can change settings with commands) : Nanite Grass Demo V2.7z - Google Drive

Showcase video: Unreal Engine - Nanite Grassfield (youtube.com)

Features Overview/Getting Started. Please watch this: Nanite Grass - Getting Started [UE Marketplace] (youtube.com)

Update: Added a new optimized version of the grass. You can find the new grass in the 'OptimizedGrass' folder, and a new map demonstrates its usage. That new map is also included in the demos

There is a problem with UE5.4 where making an edit to the master material causes the shading of the grass to turn into a shiny white texture. You can fix this problem by changing the shading model of the master material back to Default Lit. If you encounter flickering shadows while using Lumen, you can use the following command to fix it: r.Lumen.ScreenProbeGather.ScreenTraces.HZBTraversal 0

Video on how to fix it: UE5.4 Material Issue (youtube.com)

I will push an update soon

Nanite grass with full geometry and no alpha mask material. 

Lumen Documentation: Lumen Global Illumination and Reflections in Unreal Engine | Unreal Engine 5.4 Documentation | Epic Developer Community (epicgames.com)

Nanite Documentation: Nanite Virtualized Geometry in Unreal Engine | Unreal Engine 5.4 Documentation | Epic Developer Community (epicgames.com)

Features:

• Can be used for real time rendering/game development.
• Demo scene from the showcase video included.
• Includes 5 base grass heights, dead grass, and bushes.
• Customizable grass color. Adjust top/bottom/entire leaf color
• Fully geometry, no alpha mask was used, optimized for nanite.
• Adjustable roughness, specular, and normal intensity.
• Lightweight wind system with vertex color mask.
• Wind gusts system with the ability to use your own image as a wind pattern.
• Adjustable wind speed/direction; grass bends towards wind direction.
• Grass wave system
• Adjustable wind gusts color/brightness
• 76 Meshes
• Average Triangle Count 27,522