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Virtual Reality

You may have enjoyed watching a 3-D Movie before. It feels great, right? As if you are actually present in the movie. Of course, there is a cyber-technology involved in it and we term it as “Augmented Reality”. It adds some special effects in the real scenario and everything appear as lively. And Virtual Reality being the cousin of Augmented Reality, means ‘almost’ or ‘near to’ reality but an illusion. It makes us blind towards our current surroundings and transport our mind to a complete different location. Virtual reality combines the usage of Software, Hardware and our sensory synchronicity.

Image result for vr
Image source:google images.
The applications of VR is not just limited to Movie-theatres, it has a large domain including Medical-Sciences, Military Service, Architecture, Engineering, Scientific Application etc. To explore its applications you can have a look here: https://www.vrs.org.uk/virtual-reality-applications/
VR can also have great impact in changing the UX designing systems : https://www.uxofvr.com/ (know more about UX designing)


The VR technology:

The operation of VR starts with VRML(Virtual Reality Modelling Language), the specification of how an object would look like in 3-Dimension, from its texture  and transparency to vertices and edges, exist in a VRML file format. Over the years, many other languages are also built like O3D, X3D(successor of VRML), U3D, COLLADA, 3DMLW.
The VR technology uses accelerometer and gyroscope functionality, Accelerometer determines the orientation and, Gyroscopes, used in phones, detects the rotation or twist, thus helps the VR and AR technologies to synchronise with our movements and senses.
A very common example of its usage is the CAVE environment(Cave Automatic Virtual Environment): A video theatre, where, the walls are projection screens, and the images and glasses are carefully calibrated so as to form a perfect picture in the mind (Just the way  they have designed the 4D movie theatres). There are different software and libraries available for CAVE applications, technologies available for rendering scenes such as OpenSG, OpeneSceneGraph etc.


Learning VR

The most popular use of VR and AR is to improve the gaming experience, the game-lovers have gained it a fast pace development. Thus if you want to learn it, the best source is the unity game engine(this involves learning languages like C#) or the Unreal Engine(involving C++).
https://blog.betawave.io/a-software-engineers-guide-to-unity-and-ar-vr-development-part-1-c20ce973bf8e
 Set one device as a target, download its SDK and learn its development process.
For Google Cardboard, Google VR  |  Google Developers
For HTC Vive, Vive | Developer Portal
For Oculus, Developer Center - Home
Make something simple and easy and join a community like reddit to get support and reviews on your project.

To build an AR application, go for the framework Easy AR, learn AR Toolkit.
To have an idea of professional development, have a trial at these platforms:
ENTiTi Creator — Augmented & Virtual Reality Content Creation Platform
Insta VR — Make your VR apps in Minutes
Viar 360 — Create and Publish interactive cinematic VR experiences
And this is just the beginning, you will require to do a lot of googling, or watch a lot of youtube videos and consult different forums.

Checkout these sites to have a broader view :
https://littlstar.com/
 https://www.jauntvr.com/
 https://uploadvr.com/

Here is a perfect article about how it feels learning VR with unity: https://levels.io/from-web-dev-to-vr-dev/ *
A list of some of the best courses on VR and AR:
https://www.coursera.org/learn/augmented-reality
https://unity3d.com/learn
https://appreal-vr.com/blog/
https://www.coursera.org/courses?languages=en&query=virtual+reality
http://nptel.ac.in/courses/106106138/ 

 Learn and experience the beautiful world of Virtual Reality.

 Hope you like the article, please share your feedback in the comment section.


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