This book is dedicated to the entire community of VR researchers, developers, designers, entrepreneurs, managers, marketers, and users. It is their passion for, and contributions to, VR that makes this all possible. Without this community, working in isolation would make VR an interesting niche research project that could neither be shared nor improved upon by others.

In this book mainly introduce rapidly developing tech-nology of virtual reality which includes new developments in hardware, soft ware and applications, particularly in the fi eld of medicine and engineering.

As virtual reality approaches mainstream consumer use, a vibrant development ecosystem has emerged in the past few years. This hands-on guide takes you through VR development essentials for desktop, mobile, and browser-based applications. You’ll explore the three go-to platforms—OculusVR, Gear VR, and Cardboard VR—as well as several VR development environments, programming tools, and techniques.