This is techno-sorcery!
Unite India is here: https://unity.com/event/unite-india-2019
there is no need to create a vdb, but it works yes
GDC 2016: Unreal Engine Oculus Rift Reel
A showcase of some of the projects created for Oculus Rift. All of them are powered by Unreal Engine. Oculus Rift will start shipping on March 28 2016.
© Unreal Engine, 2016 YouTube Link