VOLUMETRIC FOG just got a BIG update

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Click here to learn more: https://bit.ly/ButoVolumetricLightingAndFog


Release 2.1.0 of Buto - Volumetric Lighting and Fog for Unity URP features improved Editor controls and an adjusted Height Falloff parameter to simplify artist-driven setup.



Change Log:
IMPROVEMENTS
- Added tooltips to all editor controls and renamed some parameters for clarity.
- Changed Height Falloff parameter [0, 2] to Attenuation Boundary Size [0, inf). Height Falloff parameter previously represented an abstract value attenuating the fog density over height. Attenuation Boundary Size now represents a concrete value at which the fog will have been attenuated to 36% of its original value.
- Created a separate assembly definition for the OccaSoftware.Buto.Demo namespace region. Reminder that you can safely remove the entire DemoResources folder once familiar with the asset.
- Updated Readme to reflect the GameObject/Volume/Buto Fog Volume method of creating fog volumes in scene.


BUG FIXES
- Fixed a rendering issue that could occur when using a single shadow cascade.




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0:00 Intro
0:06 Tooltips
0:17 Shadowed Fog Density
0:31 Attenuation Boundary Size (Height Falloff)
1:19 Closing






MORE ABOUT BUTO
Buto enables you to easily add real-time physically-based volumetric lighting and fog to your scene.


Designed for Unity 2021.3 LTS Universal Render Pipeline (URP).


Features
Physically-based: Our volumetric lighting and fog accurately renders atmospheric particles and light scattering using algorithms described in leading technical papers and strategies from major AAA studios.
Volumetric Lighting and Shadow: Objects realistically occlude lighting from interacting with the fog, keeping your fog grounded in your scene.
Fast: Optimized, high-performance rendering with intelligent depth-aware upscaling (~0.7ms on an Nvidia 1080 desktop equivalent).
Volumetric Noise: Built-in volumetric noise gives depth and texture to the particle distribution.
Atmospheric Height Fog: Particle density exponentially decreases over height, resulting in realistic fog attenuation over altitude.
Long-Range Visual Consistency: Analytic height fog is rendered behind the nearby ray-marched volumetric fog, guaranteeing visual realism over long distances.
Stylized Fog Options: Distance-based Color Ramps, Color Ramp influence, and Light and Shadow intensity sliders give you creative stylized fog options.
Additional Lights: Point lights can now be configured to work with Buto, with support for up to 8 fog-enabled point lights in scene simultaneously.




Constraints
Transparent materials are not fully supported. Objects using transparent materials are rendered after the fog pass and will not receive the effects of the fog.
VR is not supported.
Orthographic perspective is not supported.
Volumetric point lighting does not support shadow attenuation.
OpenGL and WebGL are not supported.
Unity 2020 LTS is locked to version 1.3.2. Unity 2021 LTS is supported from version 2.0.0 forward and will receive all future updates until the next Unity LTS release.


Need Help?
Contact me at occasoftware@gmail.com. If you aren't happy, I'm not happy.







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