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VFX Grass with VFXGraph—Clocked

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This project was developed for the Unity Livestream: VFX Grass with VFX Graph| Clocked. It demonstrated the outcome of a 10-minute, one-hour, and one-day exercise that aimed to create grass with particles thanks to VFX graph. I hope it will be useful to the Unity community. Everything in this project is free for everyone to use and is licensed under CC0.

Project Version

  • Unity 6.3.5f2 LTS
  • Universal Render Pipeline 17.0.3
  • Visual Effect Graph 17.0.3

Assets

Some high-quality CC0 assets have been obtained from the website Polyhaven.

Terrains Textures by Amal Kumar:

HDRI Cubemap by Sergej Majboroda:

The remaining content was developed specifically for this project and is available for free use.

References:

If you would like to learn more about grass in a real-time context, these links might be helpful.

Procedural Grass in 'Ghost of Tsushima' -Eric Wohllaib

video

Slides

How do Major Video Games Render Grass? - SimonDev

video

How Do Games Render So Much Grass? - Garrett Gunnell (Acerola)

video

GPUGems: Rendering Countless Blades of Waving Grass - Kurt Pelzer

Website

Classic Video Games Trick For Rendering Grass & Fur - 80LVL

Website

Six Grass Rendering Techniques in Unity - Daniel Ilett

Website

Grass Alignment to Terrain (VFX Graph) - Unity Discussion Topic

Forum

Grass Alignment and Bending (VFX Graph) - Unity Discussion Topic

Forum

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