sociofall

# Unreal Engine – Tricubic Sampling for Volumetric Fog
# This method provides better terminators, hiding the aliasing

## 1. Paste the function

Navigate to: Engine/Shaders/Private/HeightFogCommon.ush
At the top of the file (ex. after FogStructData struct) insert the following function:

// tricubic interpolation function for sampling the volumetric fog 3D texture
// ported from https://www.shadertoy.com/view/cts3Rj