Herl is a demonstration of how ray marching can be used to render very large and complicated planet-sized environments, even in virtual reality.
For more information about Herl, visit: https://www.michaelrichardbrown.com/herl.html
This repository contains the GPLv3 licensed source code for Herl as a Unity project compatible with Unity version 2018.3.8f1
Newer versions of Unity may also be able to import the Herl project, but they have not been tested.
You can download Unity at: https://unity3d.com/get-unity/download/archive
