Raymarcher is a universal, cross-platform renderer that features a complete framework for manipulating signed distance functions and volumetric data. The renderer includes a fully customizable material pipeline and comes with an out-of-the-box toolkit library, encompassing a simple voxel system, particle tracking and a series of mesh-to-volume data converters.
Warning: Raymarcher package doesn't contain the demo scenes that are displayed in the video!
Available here: https://assetstore.unity.com/packages...
Credits for assets used in the video:
Winter scene (https://assetstore.unity.com/packages...)
Interiors scene (https://assetstore.unity.com/packages...)
Trains (https://assetstore.unity.com/packages...)