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Johnny Nguyen3,875 Points
If I learn VR in here, does it relate to AR?
Because I really want to build AR apps, and don't know that if I study VR, will it help me to build AR?
Steven Parker210,425 Points
I'm no expert in either area, but isn't AR essentially just VR with a live video feed and some spacial tracking and object recognition mixed in?
I'd expect AR to be "VR plus".
There is overlap between the two that is basically all fundamental concepts of 3D game design. When you really get down to it, for the most part VR is just 3D being outputted in stereo and you adhering to best practices that make it feel immersive.
AR and VR are different in the regard that AR involves having something virtual interact with the real world while VR is having something real (the player) directly interact inside the virtual world. If your goal is AR then you should focus on an AR SDK like ARCore (Android), ARKit (iOS) or Vuforia (third party multi-platform solution).