WEBVTT

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Let’s look at the definition of VR

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And look into examples of VR apps

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That are in service

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Next, to create VR content with Unreal Engine

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We will install the SDK necessary

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And practice-related environment settings

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Let's learn how to implement

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Unreal's PIE method in a VR Preview method

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Suitable for VR

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From this lesson, we will learn about

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VR content development

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VR Definition and Examples

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Now, let’s take a look at the definition of

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What virtual reality is

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If you look at the wiki

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This is how virtual reality is explained

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It is sometimes expressed as referring to a specific environment or situation

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Similar to reality but not real

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Or the technology itself

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Created through artificial technology using computer systems, etc.

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In addition, users are not only immersed in virtual reality

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But by using existing devices

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Such as operating or executing commands

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You can interact with things implemented in VR

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It is expressed this way

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It may seem a bit difficult just to look at the text

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But if you think about it

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Within the limited size of a monitor

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Based on the size of the monitor

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In proportion to its size

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We visually see content

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Equipping a device on our head

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No matter where we turn our heads

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Makes it appear as if we are within our field of vision

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So, I think content with more visual scalability

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Can be considered virtual reality content

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So, than a computer monitor

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The advantage is that it has a wider 360-degree viewing angle

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And using a controller

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You can interact

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So making the content

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More immersive and realistic

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It can be the advantage

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So, what kind of content is created

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Using VR technology

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Regarding VR, there is a game called Beat Saber on the left

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That everyone has probably seen at least once

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This is a game where you cut a box by swinging a knife

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Toward the arrow indicated on the box to the music

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That we use our bodies

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To avoid the red and blue boxes flying from all directions

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While moving our bodies

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This can be seen as a very good representation of

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The specific movement effects of VR

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In addition, such as VR's Astronauts

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And Steam's Half-Life Alyx

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There are many successful VR game content

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What those contents have in common is that

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Using a conventional keyboard, mouse

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Or pad to playing games

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Through a wider viewing angle

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And more three-dimensional body movements

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To enjoy the game content

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The sense of immersion is much higher

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In that you can enjoy the game content

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Next, there are VR meeting apps

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Such as Spatial or VR Chat

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Gather real people's voices and motions in a space

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Through network play

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Giving the same effect as

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Multiple people meeting directly in one space

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VR-type Office apps

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These things were very famous

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So, in particular, these content

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Began to become common due to COVID-19

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VR meeting apps can be seen as one of the contents

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That suddenly increased a lot as non-face-to-face meetings

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In addition, such as VR movies

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And VR animations

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Many genres of content related to VR

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The same goes for architectural simulations

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And there are a lot of space exploration simulations

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That have come out as VR content

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Therefore, it is expected that VR will

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Continue to establish itself as content

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That enhances a certain sense of immersion and presence in the future

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Setting Up a VR Development Environment

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To develop Oculus content

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You will first need Unreal Engine

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In addition to Unreal Engine

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You need a program called

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Oculus Link that connects Oculus and your PC

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In the case of Oculus, it has Android OS

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The same OS as Android phones

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So, since it is made in a mobile format

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You will need Oculus Link Software

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Also, as I mentioned, since the Android OS is used

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When packaging it as an actual service app later

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It must be developed using the Android method

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So, you have to install it as an APK file

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This is the same as installing

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SDK, NDK, JDK, etc.

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When creating AR content

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However, the contents that need to be set

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In some project settings windows

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May differ slightly from those in AR

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Next, inside Oculus

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There is something called the Oculus Store

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So, in the Oculus Store

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To purchase content sold by others

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Or display your avatar

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During multiplayer

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Using a mobile app called Meta

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You must connect your account

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The account for the Meta app on your phone

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And the VR head-mounted display device

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You are wearing

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Must be set to the same account

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So first

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Let's install Oculus Link

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When installing Oculus Link, on Google

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Oculus Quest link software

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Search this

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Then the first thing is

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Called Setup Your Quest

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When this page opens

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The one currently used in the course is

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Based on Quest 2

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I will install Quest 2

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To connect Oculus to a PC via USB

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Let's first download

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The software needed

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Once the download is complete, proceed with the installation

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And click Start to agree to the terms and conditions

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To install the software

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Simply specify the path you want

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And then install it

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If you look here, it says that

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At least 3.4 GB of space is required

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So I think you just need to make sure that

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The drive where you want to install the hard disk

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Has enough space for more than this

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Without making any changes

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I will install it to that path

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Once installation is complete, click the Next button

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When asked to add Quest2 to your PC

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To access Rift App games and VR experiences

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Just press the button to continue

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There is a way to connect via Bluetooth

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And there is a way to connect via USB

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In the case of Bluetooth, if Bluetooth is not supported

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In the computer environment

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Or if there are many people around using Bluetooth

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There may be some confusion

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So I recommend

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Connecting the link safely during development

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Please select a link (cable)

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I'll press continue

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To connect the headset, just click Continue

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I'll try clicking the connection test once

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It is connected now

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But it is said that the connection is unstable

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So that I will finish the setup in this state for now

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It may be because the USB is not connected properly

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The Devices tab says that OpenXR runtime is

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Not set as default

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Click the Set this as default button

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And go to General in Settings

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Many people probably have Unknown Sources turned off

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So click this once and click Allow

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Please turn on unknown sources

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Next, OpenXR Runtime

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The one above is

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For OpenXR Runtime

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If you press the Set button

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The warning window above will disappear

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And after a while, the indication that

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Meta Quest is set will be disabled

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There is no need to change anything else after that

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On the beta side, there is something called a developer runtime feature

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Since we are now using it for development as developers

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To use this VR device for development

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We will turn on this developer runtime feature

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There are several options below

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Which I will explain later

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Let's leave it like this for now

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Some people may not have

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The Developer Runtime feature here

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I have the developer runtime turned on

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To use the runtime function

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Most people doing it for the first time will

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Probably only have the demo mode here

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And there will be no developer runtime features

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Or anything below this

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In the future, there will be cases where this part is not present

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So for this developer runtime function to appear

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When we first

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Turned on Oculus

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We would have installed Meta app

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And connected

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By linking your account to your phone

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You can only turn on the Oculus headset

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I think you will have already

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Installed the phone app

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So, we probably installed an app called Meta Quest

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From PlayStore or, in the case of iPhone

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From the App Store, this Meta Quest

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Will be installed

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Then, open this Meta Quest app

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Here, the device

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Select the device we are currently connected to

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Select the menu tab

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And enter the device here

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In my case

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If you go from our device to the currently connected device

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And go into the headset settings

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There is a thing called developer mode

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If you go into it, I probably have a button like this

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But most of you probably don't have a button

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So, to create this button

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You need to register this account on the Meta homepage

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So, let’s search for

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An Oculus developer on Google

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Then, on the first page

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There will be something called Oculus Developer Center

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Go to this page

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When the page opens like this, wait a moment

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And you will be logged in to your account

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If you are not logged in

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Please log in

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If you're logged in

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There will be a button like this here called My Apps

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So, let me click this button once

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Then, you still don't have the Developer Tools tab

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There will be no such thing as an Org Manager

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I have this now

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But you probably don't have this at all

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So, if you click here, you will see a Create button

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By clicking the create button here

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You need to create a new organization

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It asks you to enter a company name or something like that

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In my case, I'm using my company account

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But if you are not associated in any company

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You can just enter any name

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You can temporarily put in your company name

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So you can just put in any name

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And there won't be any problems or anything like that

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Until it is serviced

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There are no problems during development

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I'll add something like

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Hunet to the group name

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It looks like the name Hunet already exists

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Then, I will create a group

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Name as HunetVR

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Please check, I understand

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That you have read the terms and conditions below

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Then I'll hit submit

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Confidentiality Agreement

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Please read this carefully

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Check the box to agree, and click the submit button.

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Then, you will see a developer tab

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Called HunetVR

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Then, there should be an app here

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That says we are developing an app

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But there is currently no app

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So, let me click on

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The button here called Create New App

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The name of the app will be HunetVRApp

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Then

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Since we are now building for Meta Quest

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Please check Meta Quest

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After you create it

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A screen like this will appear

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Now, when we actually create an app

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Upload the packaged

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Build file here

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Then submit it

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And if the Oculus server checks it

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And says there are no problems

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It will be approved

281
00:15:50.080 --> 00:15:52.919
And if approved, it will be released

282
00:15:52.919 --> 00:15:56.599
This means you can use it as an app

283
00:15:56.599 --> 00:15:59.520
That can be downloaded from the Oculus Store

284
00:15:59.520 --> 00:16:01.649
However, for now

285
00:16:01.649 --> 00:16:04.080
We are only practicing development

286
00:16:04.080 --> 00:16:07.000
So we will not submit the app

287
00:16:07.000 --> 00:16:10.300
However, you need this to

288
00:16:10.300 --> 00:16:12.640
Open the developer app and account

289
00:16:12.640 --> 00:16:18.359
So create one

290
00:16:18.359 --> 00:16:21.880
So, if this part is complete

291
00:16:21.880 --> 00:16:25.640
Return to your phone

292
00:16:25.640 --> 00:16:29.193
And there will be a menu at the bottom

293
00:16:29.193 --> 00:16:32.440
Which is common for Android and iPhones

294
00:16:32.440 --> 00:16:34.799
Please click the menu tab

295
00:16:34.799 --> 00:16:38.320
If you look inside the menu button, you will see a device button

296
00:16:38.320 --> 00:16:40.159
Device

297
00:16:40.159 --> 00:16:43.400
So, please select the connected device

298
00:16:43.400 --> 00:16:46.599
It will say Device Management like this

299
00:16:46.599 --> 00:16:49.142
If you look at the bottom of the device management page

300
00:16:49.142 --> 00:16:51.757
You will see headset settings

301
00:16:51.757 --> 00:16:58.039
In the headset settings, there is a developer mode

302
00:16:58.039 --> 00:17:00.719
In developer mode

303
00:17:00.719 --> 00:17:04.280
If you have made an app

304
00:17:04.280 --> 00:17:05.974
There will be a button here

305
00:17:05.974 --> 00:17:08.449
Called debug mode

306
00:17:08.449 --> 00:17:11.479
If you touch this button once

307
00:17:11.479 --> 00:17:16.520
Debug mode will now turn on

308
00:17:16.520 --> 00:17:20.770
Right now, I'm having trouble connecting my cell phone well

309
00:17:20.770 --> 00:17:23.937
So it's like this, but if you press this

310
00:17:23.937 --> 00:17:28.719
You'll see a motion where the button turns on like this

311
00:17:28.719 --> 00:17:32.182
Then, again

312
00:17:32.182 --> 00:17:38.959
Turn on the Meta Quest Link software

313
00:17:38.959 --> 00:17:43.479
From here, go to the Settings tab

314
00:17:43.479 --> 00:17:45.122
And go to Beta

315
00:17:45.122 --> 00:17:48.319
You will now be able to turn on the developer runtime

316
00:17:48.319 --> 00:17:51.315
This item will be created and when you press the button

317
00:17:51.315 --> 00:17:54.040
It will turn on like this

318
00:17:54.040 --> 00:17:57.800
I said I don't have anything to touch on the ones below

319
00:17:57.800 --> 00:18:00.634
But here

320
00:18:00.634 --> 00:18:02.879
You can turn on and off a few features

321
00:18:02.879 --> 00:18:05.439
That developers can use for testing purposes

322
00:18:05.439 --> 00:18:08.920
For example, Paththrough

323
00:18:08.920 --> 00:18:12.280
Camera, I mean, there is an AR camera

324
00:18:12.280 --> 00:18:15.530
In the case of the AR camera

325
00:18:15.530 --> 00:18:17.239
That we use to specify the range

326
00:18:17.239 --> 00:18:19.639
We can now turn it on and off

327
00:18:19.639 --> 00:18:20.959
Directly

328
00:18:20.959 --> 00:18:22.599
Or turn on this function

329
00:18:22.599 --> 00:18:23.999
Or a function called Eye Tracking

330
00:18:23.999 --> 00:18:26.640
That tracks the position of our eyes

331
00:18:26.640 --> 00:18:30.199
And moves the cursor

332
00:18:30.199 --> 00:18:34.479
To match your voice or turn on these features

333
00:18:34.479 --> 00:18:36.959
To change your avatar's expression

334
00:18:36.959 --> 00:18:39.400
There are many experimental features

335
00:18:39.400 --> 00:18:42.560
Allowing you to turn these functions on

336
00:18:42.560 --> 00:18:45.520
However, rather than experimental functions

337
00:18:45.520 --> 00:18:48.770
We are now focusing on learning

338
00:18:48.770 --> 00:18:50.439
The basic functions of VR

339
00:18:50.439 --> 00:18:53.807
I think you only need to turn on the developer runtime function

340
00:18:59.537 --> 00:19:01.319
If you come back to Devices

341
00:19:01.319 --> 00:19:04.959
The USB cable was plugged in loosely

342
00:19:04.959 --> 00:19:06.640
So it wasn't recognized before

343
00:19:06.640 --> 00:19:10.680
But now it will be displayed like this

344
00:19:10.680 --> 00:19:14.199
It is said that a USB3 connection is recommended

345
00:19:14.199 --> 00:19:15.800
But, even if it is not necessarily a USB3 cable

346
00:19:15.800 --> 00:19:20.319
There is no problem with connecting to a USB2 cable

347
00:19:20.319 --> 00:19:23.640
However, it is said that the stuttering is slightly improved

348
00:19:23.640 --> 00:19:24.800
But there is no significant difference

349
00:19:24.800 --> 00:19:30.280
So I will just leave it connected to USB2

350
00:19:30.280 --> 00:19:34.400
And if you press the button on both your right and left hand once

351
00:19:34.400 --> 00:19:36.160
The button will be recognized

352
00:19:36.160 --> 00:19:37.400
And appear here

353
00:19:37.400 --> 00:19:39.313
Right-hand Touch, left-hand Touch

354
00:19:43.520 --> 00:19:46.620
Then here on the computer

355
00:19:46.620 --> 00:19:48.400
On Quest2 and Touch

356
00:19:48.400 --> 00:19:49.839
If you press the right arrow

357
00:19:49.839 --> 00:19:52.920
Here in the settings, at the bottom

358
00:19:52.920 --> 00:19:55.400
There is listening to VR audio on the computer

359
00:19:55.400 --> 00:19:57.239
And listening to computer audio in VR

360
00:19:57.239 --> 00:19:59.683
So, when a sound comes out of the computer

361
00:19:59.683 --> 00:20:03.073
The VR device also has speakers that can be used

362
00:20:03.073 --> 00:20:05.120
Are you going to make the sound come out of that as well?

363
00:20:05.120 --> 00:20:08.520
If both are played simultaneously, it will be a bit noisy

364
00:20:08.520 --> 00:20:10.840
So it would be better if the sound comes from only one side

365
00:20:10.840 --> 00:20:15.640
I decided to listen to the audio on my computer for now

366
00:20:15.640 --> 00:20:18.760
I'll turn off listening to audio in VR

367
00:20:18.760 --> 00:20:20.660
If there is no sound from the device

368
00:20:20.660 --> 00:20:23.410
And I need to make sound from the device in the future

369
00:20:23.410 --> 00:20:26.857
I will set it to turn on occasionally

370
00:20:31.099 --> 00:20:32.299
Then

371
00:20:32.299 --> 00:20:34.419
The Oculus Quest Link settings

372
00:20:34.419 --> 00:20:36.475
Will appear like this on Quest

373
00:20:38.079 --> 00:20:39.779
So, among them

374
00:20:39.779 --> 00:20:42.379
If we click the Activate button

375
00:20:42.379 --> 00:20:46.279
It will be connected to Quest's Link

376
00:20:46.279 --> 00:20:49.679
If you wait a little while

377
00:20:49.679 --> 00:20:51.467
A white screen like this will appear

378
00:20:56.467 --> 00:21:01.717
At the bottom, there is a menu board that we can choose from

379
00:21:01.717 --> 00:21:05.246
With a semicircle on the bottom and an oval shape

380
00:21:09.360 --> 00:21:12.554
If you have reached this point, this white screen

381
00:21:12.554 --> 00:21:17.360
Indicates that your PC and Oculus are connected

382
00:21:17.360 --> 00:21:20.560
From now on

383
00:21:20.560 --> 00:21:24.720
We will use the Unreal app to turn it on

384
00:21:24.720 --> 00:21:27.236
Turn on Unreal Editor

385
00:21:31.559 --> 00:21:36.709
We will create a new VR project for you

386
00:21:36.709 --> 00:21:39.839
First, go to the Games tab

387
00:21:39.839 --> 00:21:43.489
Among the various templates in the Games tab

388
00:21:43.489 --> 00:21:46.046
There is one called Virtual Reality

389
00:21:46.046 --> 00:21:47.425
Virtual Reality

390
00:21:47.425 --> 00:21:51.279
Select the Virtual Reality tab

391
00:21:51.279 --> 00:21:52.576
At the bottom

392
00:21:54.839 --> 00:22:00.889
I will run the project

393
00:22:00.889 --> 00:22:04.080
With the name HunetVR in the Project Name

394
00:22:04.080 --> 00:22:06.730
Wherever you want

395
00:22:06.730 --> 00:22:09.080
You can specify the route

396
00:22:09.080 --> 00:22:12.580
Let's just name the project

397
00:22:12.580 --> 00:22:14.679
HunetVR

398
00:22:14.679 --> 00:22:16.620
And if you look at the top

399
00:22:16.620 --> 00:22:20.420
There is an item called Starter Content of Virtual Reality

400
00:22:20.420 --> 00:22:23.370
First, check to include

401
00:22:23.370 --> 00:22:26.440
The necessary Starter Contents

402
00:22:26.440 --> 00:22:28.490
And click the Create button

403
00:22:28.490 --> 00:22:31.174
To create a project

404
00:22:36.209 --> 00:22:39.059
What you need to pay attention to at this time is

405
00:22:39.059 --> 00:22:42.759
VR Oculus Link, that white screen from before

406
00:22:42.759 --> 00:22:45.559
You have to be careful that

407
00:22:45.559 --> 00:22:47.189
The white screen has to be on

408
00:22:47.189 --> 00:22:50.005
While the link is connected to the white screen

409
00:22:50.005 --> 00:22:52.205
You must turn on Unreal Engine

410
00:22:52.205 --> 00:22:55.046
For Unreal Engine to recognize VR

411
00:23:06.525 --> 00:23:10.025
Once the project is running

412
00:23:10.025 --> 00:23:12.975
Click the play button at the top

413
00:23:12.975 --> 00:23:14.800
To play it

414
00:23:14.800 --> 00:23:18.197
If you play using the traditional play method

415
00:23:18.197 --> 00:23:20.997
You cannot connect to any VR

416
00:23:20.997 --> 00:23:23.197
To connect to VR

417
00:23:23.197 --> 00:23:25.479
You need to change the play mode

418
00:23:25.479 --> 00:23:28.163
So, next to this Play mark

419
00:23:28.163 --> 00:23:29.729
There are three dots

420
00:23:29.729 --> 00:23:31.372
If you click this three-dots symbol

421
00:23:31.372 --> 00:23:33.600
A pop-up window will open like this

422
00:23:33.600 --> 00:23:38.197
If you click VR Preview in this pop-up window

423
00:23:42.119 --> 00:23:45.662
The screen of the VR device

424
00:23:45.662 --> 00:23:48.462
Will look like this on the screen

425
00:23:48.462 --> 00:23:50.262
You can see the screen clearly like this

426
00:23:50.262 --> 00:23:51.907
If you use VR now

427
00:23:54.049 --> 00:23:56.399
If this window

428
00:23:56.399 --> 00:23:59.546
This VR Preview window

429
00:23:59.546 --> 00:24:02.119
It is disabled and cannot be selected

430
00:24:02.119 --> 00:24:05.469
For those who say that selection is impossible

431
00:24:05.469 --> 00:24:08.919
Please close the editor completely

432
00:24:08.919 --> 00:24:11.476
And Oculus Link

433
00:24:15.267 --> 00:24:19.003
Whether the Oculus Link screen appears properly

434
00:24:19.003 --> 00:24:22.291
And whether it is activated with this white screen first

435
00:24:22.291 --> 00:24:24.200
Those should be checked

436
00:24:24.200 --> 00:24:27.350
You must turn on Unreal Engine

437
00:24:27.350 --> 00:24:29.650
With a white screen like this

438
00:24:29.650 --> 00:24:32.168
To turn on VR Preview mode

439
00:24:34.720 --> 00:24:37.670
So, like this

440
00:24:37.670 --> 00:24:40.120
If you look at the controller in front

441
00:24:40.120 --> 00:24:43.094
You will see your hands like this

442
00:24:43.094 --> 00:24:46.944
If you lightly place your hand on the button on the controller

443
00:24:46.944 --> 00:24:48.743
You will see your fingers moving

444
00:24:48.743 --> 00:24:51.920
In accordance with it

445
00:24:51.920 --> 00:24:54.820
When you press the button

446
00:24:54.820 --> 00:24:57.270
You will see your fingers moving like this

447
00:24:57.270 --> 00:24:59.798
To hold and unfold it like this

448
00:24:59.798 --> 00:25:03.961
First, there will be a Thumb Stick on the right-hand controller

449
00:25:03.961 --> 00:25:06.261
And a stick-like stick on the joypad

450
00:25:06.261 --> 00:25:07.920
The one moving with the thumb

451
00:25:07.920 --> 00:25:09.670
If you push it forward

452
00:25:09.670 --> 00:25:12.470
A line will appear like this

453
00:25:12.470 --> 00:25:15.587
If you aim well at the place you want to go with this line

454
00:25:15.587 --> 00:25:18.487
And release the Thumb Stick from there

455
00:25:18.487 --> 00:25:20.487
You will be teleported

456
00:25:20.487 --> 00:25:23.816
And move instantly like this

457
00:25:26.559 --> 00:25:29.259
In this state, to the box you want to hold

458
00:25:29.259 --> 00:25:33.309
You put your hand close

459
00:25:33.309 --> 00:25:36.789
Then bend your middle finger to reach the button

460
00:25:36.789 --> 00:25:38.089
Called a Hand Grip

461
00:25:38.089 --> 00:25:40.139
If you press the Hand Grip button

462
00:25:40.139 --> 00:25:42.880
The object will be grabbed like this

463
00:25:42.880 --> 00:25:45.280
Objects can be caught

464
00:25:45.280 --> 00:25:49.239
And if you throw them like this and let go, they can also be thrown

465
00:25:49.239 --> 00:25:50.988
Shall we pick up the gun in front of us?

466
00:25:55.799 --> 00:25:59.481
If you pick up a gun like this

467
00:25:59.481 --> 00:26:03.720
And press the index finger button, a bullet will be fired like this

468
00:26:03.720 --> 00:26:07.920
Also, if you draw a teleportation line with your thumb

469
00:26:07.920 --> 00:26:11.771
And go near the bonfire over there like this

470
00:26:11.771 --> 00:26:14.859
You will hear a little noise nearby

471
00:26:14.859 --> 00:26:17.204
And if you shoot a bullet

472
00:26:17.204 --> 00:26:20.787
You can remove these glowing sticks like this

473
00:26:24.143 --> 00:26:26.593
If you turn to the left like this

474
00:26:26.593 --> 00:26:27.788
You can turn the screen

475
00:26:27.788 --> 00:26:29.880
Or your head directly

476
00:26:29.880 --> 00:26:34.280
Then I move over there again

477
00:26:34.280 --> 00:26:35.706
And pick up a box

478
00:26:38.799 --> 00:26:40.765
If we throw it here like this

479
00:26:42.379 --> 00:26:44.347
Or as just as before

480
00:26:49.096 --> 00:26:50.324
Pick up a gun

481
00:26:54.559 --> 00:26:56.120
And fire it like before

482
00:26:56.120 --> 00:26:58.799
We can try things like moving the ball

483
00:26:58.799 --> 00:27:00.480
In this way

484
00:27:00.480 --> 00:27:06.030
By moving little by little in this way

485
00:27:06.030 --> 00:27:09.030
I think it would be good for you to be able to experience

486
00:27:09.030 --> 00:27:12.640
Little by little how VR moves

487
00:27:12.640 --> 00:27:16.137
When you press the VR Preview button

488
00:27:16.137 --> 00:27:20.287
The editor is completely turned off and minimized

489
00:27:20.287 --> 00:27:22.440
And a Preview window appears

490
00:27:22.440 --> 00:27:25.890
If you do not like this and want to leave the editor window as is

491
00:27:25.890 --> 00:27:29.640
And open a separate Preview window

492
00:27:29.640 --> 00:27:35.739
Go to Editor Preferences in Edit

493
00:27:35.739 --> 00:27:39.077
Please select Editor Preferences

494
00:27:41.779 --> 00:27:42.756
Here

495
00:27:44.829 --> 00:27:46.837
If you search for VR

496
00:27:48.839 --> 00:27:50.766
VR

497
00:27:52.600 --> 00:27:57.400
Should Minimize Editor on VRPIE

498
00:27:57.400 --> 00:28:00.839
In other words, PIE stands for Play In Editor

499
00:28:00.839 --> 00:28:03.339
In VR play mode

500
00:28:03.339 --> 00:28:07.000
There will be a check on whether or not to minimize the editor

501
00:28:07.000 --> 00:28:09.885
Let me uncheck it

502
00:28:11.940 --> 00:28:12.777
Now

503
00:28:16.800 --> 00:28:19.500
Even when you open the VR Preview window

504
00:28:19.500 --> 00:28:23.100
While the editor remains in place

505
00:28:23.100 --> 00:28:26.040
You can see that only the VR Preview window is created separately

506
00:28:26.040 --> 00:28:28.717
By pressing Shift+F1

507
00:28:28.717 --> 00:28:30.920
You can still make the mouse cursor appear now

508
00:28:30.920 --> 00:28:33.671
In this state, you can maximize it

509
00:28:33.671 --> 00:28:36.952
And display it in full screen

510
00:28:40.069 --> 00:28:44.469
Then go to Edit-Project Settings…

511
00:28:44.469 --> 00:28:49.935
Go to and scroll down to the bottom

512
00:28:49.935 --> 00:28:53.735
And select Android from Platforms at the bottom

513
00:28:53.735 --> 00:28:57.985
If you select Configure Now

514
00:28:57.985 --> 00:29:00.840
The red window will turn blue

515
00:29:00.840 --> 00:29:03.840
And you will see that the platform is available

516
00:29:03.840 --> 00:29:05.440
This is now Android

517
00:29:05.440 --> 00:29:07.740
In the case of VR Oculus Quest

518
00:29:07.740 --> 00:29:09.440
The OS is Android

519
00:29:09.440 --> 00:29:13.240
So you can set it up the same way as your Android phone

520
00:29:13.240 --> 00:29:15.559
So Android Package Name

521
00:29:15.559 --> 00:29:17.709
Android Package Name is

522
00:29:17.709 --> 00:29:20.259
Like we did last time, in AR time

523
00:29:20.259 --> 00:29:21.309
Hunet

524
00:29:21.309 --> 00:29:23.809
The company name must be in the middle

525
00:29:23.809 --> 00:29:26.069
So, let's put Hunet as the company name

526
00:29:26.069 --> 00:29:31.327
And HunetVR as

527
00:29:31.327 --> 00:29:34.512
The project name

528
00:29:34.512 --> 00:29:38.612
Next, in the case of SDK Version

529
00:29:38.612 --> 00:29:45.735
We will install from version 23 to version 32

530
00:29:45.735 --> 00:29:47.247
Which we currently have installed

531
00:29:51.996 --> 00:29:54.596
For AR, it started at 25

532
00:29:54.596 --> 00:29:58.960
But for VR, it started at 23, which is one level lower than that

533
00:29:58.960 --> 00:30:03.010
You can specify from 23 to 32

534
00:30:03.010 --> 00:30:06.459
The latest version currently installed

535
00:30:06.459 --> 00:30:11.909
Next, check Package game data inside .apk?

536
00:30:11.909 --> 00:30:15.459
If possible, when testing

537
00:30:15.459 --> 00:30:17.996
It is best to check this

538
00:30:17.996 --> 00:30:20.064
So that all data can be compressed into one file

539
00:30:23.239 --> 00:30:26.939
After that, there isn't much to do with the rest

540
00:30:26.939 --> 00:30:32.140
What's a little important is that when doing AR last time

541
00:30:32.140 --> 00:30:35.840
You only checked OpenGL

542
00:30:35.840 --> 00:30:38.400
Or Support x86_64 above

543
00:30:38.400 --> 00:30:40.600
But in the case of VR

544
00:30:40.600 --> 00:30:42.800
You cannot use OpenGL

545
00:30:42.800 --> 00:30:45.679
And you must use Vulkan

546
00:30:45.679 --> 00:30:48.529
So, AR and VR are opposites of each other

547
00:30:48.529 --> 00:30:51.929
It would be better to know that

548
00:30:51.929 --> 00:30:53.576
Different graphics frameworks are being used

549
00:30:57.199 --> 00:31:02.115
After that, there is nothing special to check, as shown below

550
00:31:08.799 --> 00:31:12.146
Android SDK

551
00:31:12.146 --> 00:31:15.599
Go back to the Android SDK tab on the left at the bottom

552
00:31:15.599 --> 00:31:20.224
You can also set the SDK

553
00:31:20.224 --> 00:31:24.124
NDK, and then JBR paths set last time

554
00:31:24.124 --> 00:31:28.799
To be the same as for AR

555
00:31:28.799 --> 00:31:31.649
And it's all the same below here

556
00:31:31.649 --> 00:31:33.899
The settings related to build packaging

557
00:31:33.899 --> 00:31:35.968
Can be considered almost similar

558
00:31:35.968 --> 00:31:39.318
As mentioned earlier

559
00:31:39.318 --> 00:31:43.118
There is a difference between the graphics framework Vulkan and OpenGL

560
00:31:43.118 --> 00:31:47.760
Next, the minimum SDK allowed starts from 23

561
00:31:47.760 --> 00:31:50.157
I think you can see that this is the only difference

562
00:31:54.840 --> 00:31:57.053
In the case of Target Hardware

563
00:31:57.053 --> 00:31:58.653
Let's go into Target Hardware

564
00:31:58.653 --> 00:32:03.059
In the case of Target Hardware

565
00:32:03.059 --> 00:32:05.759
You must set it to Mobile

566
00:32:05.759 --> 00:32:07.459
And then Scalable

567
00:32:07.459 --> 00:32:10.959
Other existing apps would often

568
00:32:10.959 --> 00:32:13.499
Use Scalable for Desktop

569
00:32:13.499 --> 00:32:15.499
But this time, the optimization method

570
00:32:15.499 --> 00:32:19.320
Will be Scalable for Mobile

571
00:32:19.320 --> 00:32:22.370
You probably know the difference between Desktop and Mobile

572
00:32:22.370 --> 00:32:24.919
But the difference between Scalable and Maximum is

573
00:32:24.919 --> 00:32:27.053
Whether you will optimize for the maximum efficiency

574
00:32:27.053 --> 00:32:30.753
That the graphics engine can produce

575
00:32:30.753 --> 00:32:34.403
Or whether you will use

576
00:32:34.403 --> 00:32:38.039
A slightly more simplified graphics display method

577
00:32:38.039 --> 00:32:40.989
No matter how well the mobile is made

578
00:32:40.989 --> 00:32:43.239
Because the graphics card on the mobile

579
00:32:43.239 --> 00:32:45.239
Has a completely different performance

580
00:32:45.239 --> 00:32:47.400
From the graphics card on the desktop

581
00:32:47.400 --> 00:32:50.000
It is a bit difficult to use Maximum

582
00:32:50.000 --> 00:32:54.700
Especially in the case of VR, since the display of the device is

583
00:32:54.700 --> 00:32:58.479
Displayed right in front of the eyes

584
00:32:58.479 --> 00:33:00.979
Even a small drop in the frame can

585
00:33:00.979 --> 00:33:03.679
Cause significant motion sickness

586
00:33:03.679 --> 00:33:06.179
So it must be optimized very well

587
00:33:06.179 --> 00:33:08.729
To achieve a frame rate of 70 or more

588
00:33:08.729 --> 00:33:11.929
At least 70, or 75 frames per second

589
00:33:11.929 --> 00:33:13.320
It must be maintained like that

590
00:33:13.320 --> 00:33:16.970
So, it is a good idea to optimize as much as possible

591
00:33:16.970 --> 00:33:18.320
So Scalable

592
00:33:18.320 --> 00:33:21.420
Even if there is a slight loss in quality

593
00:33:21.420 --> 00:33:25.200
It is much more important in VR to optimize

594
00:33:25.200 --> 00:33:28.364
And not drop frames as much as possible

595
00:33:30.559 --> 00:33:33.909
Then, it's all done for this time

596
00:33:33.909 --> 00:33:36.559
Next time, we will create a new level

597
00:33:36.559 --> 00:33:40.479
To create a VR-related phone

598
00:33:40.479 --> 00:33:44.479
And receive input from the device

599
00:33:44.479 --> 00:33:47.679
To implement things

600
00:33:47.679 --> 00:33:51.529
Thank you for your hard work in taking the class for a long time

601
00:33:51.529 --> 00:33:52.343
Thank you

602
00:33:53.719 --> 00:33:57.048
I will summarize what we learned in this lesson

603
00:33:57.048 --> 00:33:59.498
First, the Oculus Quest

604
00:33:59.498 --> 00:34:01.565
Which is equipped with Android OS

605
00:34:01.565 --> 00:34:05.200
To link with Unreal Engine, which is based on Windows OS

606
00:34:05.200 --> 00:34:07.800
We installed Meta Quest Link Software

607
00:34:07.800 --> 00:34:09.300
And use it

608
00:34:09.300 --> 00:34:14.050
Second, with the OpenXR feature enabled

609
00:34:14.050 --> 00:34:16.045
We found that only when Unreal Engine is loaded

610
00:34:16.045 --> 00:34:18.995
VR Preview files are

611
00:34:18.995 --> 00:34:20.280
Only available

612
00:34:20.280 --> 00:34:25.147
Third, we learned that unlike AR, when developing VR content

613
00:34:25.147 --> 00:34:28.047
As a graphics framework for project settings

614
00:34:28.047 --> 00:34:31.479
Vulkan must be used

615
00:34:31.479 --> 00:34:33.029
Fourth and finally

616
00:34:33.029 --> 00:34:36.829
Due to the nature of VR headsets where the display is close to the eyes

617
00:34:36.829 --> 00:34:39.179
To reduce dizziness

618
00:34:39.179 --> 00:34:42.091
It should be noted that

619
00:34:42.091 --> 00:34:44.455
High rendering frames of 70 frames per second or more are required

620
00:34:44.951 --> 00:34:45.951
VR Definition and Examples

621
00:34:45.951 --> 00:34:46.951
What is Virtual Reality(VR)?

622
00:34:46.951 --> 00:34:47.951
With artificial technology using a computer system

623
00:34:47.951 --> 00:34:48.951
A specific environment or situation created, that is similar to reality but is not real, or the technology itself

624
00:34:48.951 --> 00:34:49.951
Users are not only immersed in virtual reality, but can also interact with things implemented in virtual reality

625
00:34:49.951 --> 00:34:50.951
Such as operating or executing commands using real devices

626
00:34:50.951 --> 00:34:52.033
Virtual Reality (VR) App Examples

627
00:34:52.033 --> 00:34:53.037
Beat Saber
Spatial

628
00:34:53.037 --> 00:34:54.140
Set up VR development environment
Essential software for developing content for Oculus Quest

629
00:34:54.140 --> 00:34:55.036
Oculus Link Software
Android development environment (SDK, NDK, JDK)

630
00:34:55.036 --> 00:34:55.724
Meta app (mobile)

631
00:34:55.724 --> 00:34:56.487
Install Meta Quest Link

632
00:34:56.487 --> 00:34:57.209
Download and install Meta Quest Link software
Select ‘Link (cable)’ as the connection method

633
00:34:57.209 --> 00:34:57.992
Click ‘Settings-General’ to allow unknown sources
Go to the Beta tab and enable developer runtime features

634
00:34:57.992 --> 00:34:58.714
Register as a developer in Oculus Developer Center

635
00:34:58.714 --> 00:34:59.516
Access Oculus developer page
Click the ‘My Apps’ button at the top right

636
00:34:59.516 --> 00:35:00.264
Click the ‘Create’ button in Org Manager

637
00:35:00.264 --> 00:35:01.000
Click the ‘Create New App’ button and select the Meta Quest (App Lab) platform

638
00:35:01.000 --> 00:35:01.950
Set up VR development environment
Create a VR project

639
00:35:01.950 --> 00:35:02.950
Select the ‘Virtual Reality’ template in the ‘Games’ tab
Select VR Preview in the Play Modes selection window

640
00:35:02.950 --> 00:35:03.950
Android Settings

641
00:35:03.950 --> 00:35:04.950
By selecting 'Edit-Project Settings...', activate the Project Settings window

642
00:35:04.950 --> 00:35:05.950
Click the 'Configuration' button in the Android tab to activate the Android platform

643
00:35:05.950 --> 00:35:06.950
Set the Minimum SDK version to 23 and the Target SDK version to 32.
'Support Vulkan' must be checked

644
00:35:06.950 --> 00:35:07.950
The SDK path is specified according to each installation location, like the AR settings

645
00:35:07.950 --> 00:35:08.949
Select ‘Scalable’ of ‘Mobile’ as the project optimization setting to suit the Android OS

646
00:35:08.949 --> 00:35:09.949
The End