VRC Light Volumes | How to Use | Best Practices | Udon Sharp API | For Shader Developers | Compatible Shaders

VRC Light Volumes is an optimized nextgen voxel based light probes replacement and analytic lighting solution for VRChat.

Installation process described here

This is a free open-source asset, so if you like it, I would be very happy if you Support me on Patreon. There is a bunch of other cool assets you will get there!

Use Cases

• Baked partial avatars and dynamic props lighting
• Baked seamless lightmaps for small static objects
• Fast and optimized Point, Spot and Area lights
• Fast image and cubemap projectors
• Any volumetric light effects

Main Features

• Baked per-pixel voxel based lighting
• Affects avatars and dynamic props (shader integration required)
• Fast and performant
• Can change color in runtime
• Up to 32 light volumes visible at the same time
• Up to 128 optimized Point, Spot or Area light sources visible at the same time
• Baked shadows for realtime Point, Spot or Area lights
• Works with dynamic batching, which potentially increases performance
• Works with Bakery or Unity Progressive lightmapper
• Works with AudioLink and TV screens
• Very easy and fast to setup
• It just looks beautiful!

VRChat Worlds To Test It

• Japanese Alley - VRC Light Volumes Test
• Light Volumes x AudioLink x FakeLTCGI Test
• 2000s Classroom
• Concrete Oasis

Attribution

It would be greatly appreciated if you place in your VRChat world an attribution prefab provided with this package.

Look for it here: Packages/VRC Light Volumes/Attribution/

This will help users know they can use avatars with VRC Light Volumes compatible shaders and also learn more about the system.

Alternatively, you can include a message like this:

This world supports VRC Light Volumes. Use avatar shaders with VRC Light Volumes support for an enhanced visual experience.
VRC Light Volumes by RED_SIM — GitHub: https://github.com/REDSIM/VRCLightVolumes/

You're not required to include this prefab or a message - it's entirely optional. But if you do, it helps spread the word and supports the growth of this asset in the VRChat community.

Installation Through VRChat Creator Companion

1. Go to my VPM Listing web page: https://redsim.github.io/vpmlisting/
2. Press "Add to VCC"
3. Confirm adding in the popup dialog window
4. If it didn't work and you don't see a popup, try again!

Installation Through Unity Package Manager

1. On the top bar in Unity click Window > Package Manager
2. Click the [+] icon in the top left of the Package Manager window
3. Select "Add package from git URL..." in the dropdown menu
4. Paste this link: https://github.com/REDSIM/VRCLightVolumes.git?path=/Packages/red.sim.lightvolumes
5. Press Enter on your keyboard or Click the "Add" button on the right side of the input field

Install Example Scenes And Assets

1. After you installed the VRC Light Volumes Package, go to Window > Package Manager
2. With Packages: In Project enabled, search for VRC Light Volumes and select it
3. Go to Samples tab near the package description
4. Import the Examples package into your project
5. Example scenes and assets will be available at Assets/Samples/VRC Light Volumes/[version]/Examples