Imagine putting on a headset, similar to the goggles you might use for skiing, and being immersed into a new, exciting virtual world. You may think this is something that is only seen in movies or television shows, but not anymore. Thanks to devices like the Oculus Rift, virtual reality is no longer just for science-fiction movies.
So how does the virtual reality headset work? Video is sent from a computer or console through a HDMI cable. The video feed is then sent to a LCD display inside the goggles. The display can be a single screen or a dual screen display for both eyes.The lenses help focus and reshape the picture into a stereoscopic 3D image. The next piece of technology that is vital for the VR gaming experience is called Head Tracking. Head tracking allows the headset to capture every movement of the person's head who is wearing it. Some headsets are capable of 360 degree view. Another useful type of technology that can help make VR gaming more realistic is Motion Tracking. As soon as you are standing in a different, virtual world, what is one of the first things you would do? Look at your hands or reach out. If you are looking down and your hands aren't there, that kind of freaks your brain out. But with the help of motion tracking and a pair of controllers for your hands, you would be able to virtually reach out.
VR headsets are not readily available to every consumer yet. So you can't walk into your local Walmart and pick up an Oculus Rift, some controllers, and a game and think you are ready to start a virtual adventure. Right now, majority of user's computers and consoles just cannot handle the virtual headset's technology. But soon that will change. Virtual Reality is here to stay and with how fast our technology is advancing there will be endless possibilities as to what it can do.
Sources:
http://www.wareable.com/vr/how-does-vr-work-explained
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