As highlighted throughout this book, a big difference between MR and VR is the notion of space. VR being virtual, means that we easily standardize the origin of the world (normally 0,0,0); MR differs in that it uses its understanding of the physical environment to reason about where holograms should be positioned and how they are orientated, so in order for two (or more) devices to collaborate effectively, we need some way of agreeing on what the origin of the world is.
In Chapter 3, Assistant Item Finder Using DirectX, and Chapter 7, Collaboration with HoloLens Using Unity, we learned what world anchors are; we also learned how to serialize and share them. This is exactly what we need, and will use, thus allowing both devices ...