Analytical Volumetric Lighting [URP] – Performant Raytraced Volumetric Lights

Original Unity version: 2021.3.0Asset Version: 1.2

Analytical Volumetric Lighting is a powerful and extremely performant volumetric lighting solution based on the analytical approach with no raymarching involved.

Analytical Volumetric Lighting is a post-processing render feature intended to replicate the behavior of the volumetric lighting focusing on high performance and high real-time light count. This is achieved thanks to the analytical approach which makes per-light calculations constant-time. Instead of estimating air light integrals with raymarching, they are calculated precisely.

PERFORMANT – Made to be much more performant compared to the traditional raymarching volumetric lighting solutions. Based on the analytical approach, render up to thousands of volumetric lights at the same screen with frame times compared to SSAO* even on mobile platforms**.

REALISTIC – Lights behave similarly to the real world based on the inverse square law. This provides you with high-fidelity lighting with no spatial limits or approximation noises.

SIMPLE TO USE – A single Volumetric Light component to make the setup as easy as possible. All of the lighting parameters are named to be intuitively familiar assisting artists during scene creation.

CUSTOMIZABLE – Take control of what you’re trying to achieve – whether it’s a highly stylized game or a realistic demo showcase. This package contains source code with comments to assist with any further code customization.

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