Expanse is a state-of-the-art volumetrics tool for HDRP that allows you to create beautiful skies, clouds, and fog banks. With its physically-based rendering and authoring strategies, Expanse enables you to create compelling and interactive atmospheres in as little as 15 minutes. The system is fully dynamic, allowing you to adjust settings in real-time, and is optimized for performance in real-time applications. Expanse supports single pass instanced VR and comes with all C# scripts and shaders uncompiled, making it easy to modify and customize.
Expanse features:
- Physically-based atmospheric scattering
- Custom Atmosphere Builder with up to 8 atmosphere layers
- Physically-based, path-traced volumetric fog and aerial perspective
- Procedural physically-based volumetric clouds
- Procedural physically-based 2D clouds
- Procedural star fields and nebulae
- Support for up to eight celestial bodies
- Time of day with moon phases
- Single pass instanced VR Support
- Gameplay query interface
- Option to use preauthored textures
- Source code included
Unity Versions: HDRP version 2020.3.7f1 (LTS) or higher.
Disclaimers:
- Only experimental support for Mac OSX
- Only works with HDRP
- No support on Nintendo Switch
- VR only fully works in single pass instanced mode
- Cloud fly-through can be computationally expensive
- Transparency support requires use of a custom lit shader or shadergraph material
- Challenging to create multiple planets in a small solar system
- All testing is conducted using a RTX 2080Ti and GTX 1050 on Windows 10
Expanse - Volumetric Skies, Clouds, and Atmospheres - Asset Store
