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Из курса от партнера University of London

Introduction to Virtual Reality

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University of London

Introduction to Virtual Reality

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Курс 1 из 5 — Specialization Virtual Reality

This course will introduce you to Virtual Reality (VR). The course will teach you everything from the basics of VR- the hardware and the history of VR- to different applications of VR, the psychology of Virtual Reality, and the challenges of the medium. The course is designed for people who are new to VR as a medium. You may have experienced some virtual reality before, and may have some hardware- but this course is suitable to individuals who have never experienced VR and those who do not have much hardware- we will explain Mobile VR as well as devices such as the Oculus Rift and HTC Vive. Introduction to Virtual Reality is the first course in the Virtual Reality Specialisation. A learner with no previous experience in Virtual Reality and/or game programming will be able to evaluate existing VR applications, and design, test, and implement their own VR experiences/games using Unity by the end of the specialisation.

Из урока

Virtual Reality- Hardware and History

In this week, we’ll cover the basics of VR. We’ll start by sharing a definition of Virtual Reality, and exploring VR hardware, and then you’ll see demonstrations of a range of VR Head Mounted Devices. In the latter part of the week, you will hear more about the history of Virtual Reality and finish the week by drafting your ideas for a VR application.

What is VR and How is it Different from Other Media?5:28

Displays | CAVE and HMDs3:33

Head Tracking5:46

Controllers5:58

Choosing your VR Device5:27

HMD | Oculus Rift1:57

HMD | HTC Vive3:11

HMD | Sony PlayStation VR4:23

HMD | Mobile VR | Google Cardboard and Samsung Gear2:59

CAVE VR Systems8:28

Познакомьтесь с преподавателями

Dr Sylvia Xueni Pan
Lecturer, Department of Computing
Goldsmiths, University of London
Dr Marco Gillies
Senior Lecturer
Computing Department, Goldsmiths, University of London

[MUSIC]

Hi, I'm going to take you through the HTC Vive setup,

which breaks down to head-mounted display, two lenses inside.

Essentially It's a mobile phone display in there.

HTC best known for making mobile phones but

they've moved very heavily into the virtual reality area now.

And there's a high definition display and two handsets,

controllers on the back triggers, buttons, etc.

These are your hands in the virtual world.

And all of these are tracked very exactly in a 3D space, and

they do that using these lighthouse units.

These emit a vertically spinning infrared laser and

horizontally spinning infrared laser.

Each of these devices is covered in sensors that sees the vertical and

the horizontal beams and sends that back initially from the handsets,

Bluetooth to the headset and from the headset down the cable to your computer.

The positional information is then translated into a rendered image in

the computer, which goes back up into the headset.

So as you move around your view stays with you.

The lighthouse unit you position them anywhere between two meters,

ideally five meters or just a bit more apart.

And that creates a 3D space that you can move around in at will.

And you're fully tracked.

None of the other systems really do this.

And legend has it that you'll be able to add on more modules, more rooms.

So you can move seamlessly between room to room in your virtual reality.

The one thing to remember about the Vive unit is it doesn't have

the sound built in like the Oculus.

So you got to put some headphones on as well.

And you got to put the headphones on after the headset, and

then take the headphones off first, otherwise you get all tangled up in wires.

This is the junction box, and here we have HDMI for the video.

We've got a USB for the positional sensing, and

we've got a 12-volt power supply which stabilizes the whole system.

What it means is that the HDMI and USB go into your computer,

And then you've got an additional plugin 12-volt power supply.

Finally, we've got this little junction box here.

And what this does is that it takes your HDMI for the video, the USB for

the position sensing, and an additional 12-volt power supply,

which stabilizes the whole system.

So that needs to be plugged into the wall, while the other two go into your computer.

And again that's your HTC Vive.

[MUSIC]

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