Unity vr jam_kelvin_1127

COPYRIGHT 2014 @ UNITY TECHNOLOGIES

CREATING A VIRTUAL REALITY IN UNITY

Kelvin Lo, Product Evangelist at Unity Technologies

COPYRIGHT 2014 @ UNITY TECHNOLOGIESCOPYRIGHT 2014 @ UNITY TECHNOLOGIES

UNITY 5.1+ VR


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Level 1 = Bullet 24 pt. Level 2 = Bullet 24 pt. Level 3 = Bullet 20 pt. Level 4 = Bullet 18 pt. Level 5 = Bullet 16 pt.

again, use SHIFT + TAB

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UNITY

Oculus Rift

MS Hololens

Gear VR

Playstation VR

Unity

SDK, Runtime Dirver

SDK


WINDOWS MAC OCULUS VR


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GEAR VR• Android SDK • (osig) • https://developer.oculus.com/osig/ • Project/Assets/Plugins/Android/assets/

https://developer.oculus.com/osig/


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UNITYMobile VR

PC

Mobile VR Google Cardboard

SDK Oculus Mobile SDK Mobile VR

VR

SDK Unity (

HTC Vive )

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icon in the middle placeholder

2. Insert the desired picture 3. Click Crop to change focus of the image / size


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BUILD SETTINGSBUILD

• Texture compression •

• ETC2 (GLES 3.0) • Orientation •

• Landscape left (mobile) • V-Sync

• Do Not Sync • Enable Multi-threading • 4.5+

• Fixed Time step

• 0.01666 ( 60 fps)

• 0.01333 (PC 75 or 90 fps)

• Anti-Aliasing •

• 2x max


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• Runtime不能降FPS • 使⽤LOD，遮擋剔除，批次運算 • 減少物體數量,減少物體曲⾯ • 多⽤靜態物體,採⽤烘焙光照 • 使Draw Call保持100左右 • ⼩於100k的三⾓⾯ • 可以採⽤⾼解析的紋理來彌補 • 使⽤物理引擎來避免CPU消耗過⼤

MOBILE PERFORMANCE


VR JAM 1. 2. 3. 4. ASSET STORE


HOW HUMANS WORK


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FOVEATED RENDERING


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FOVEATED RENDERING•

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HUMAN HEARING

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HUMANS GET SICK

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VR 1.FPS > 75 2. < 20MS


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HUMAN VISIONField Of View (FOV) of 210º horizontally by 160º vertically (with neck movement), * 135 pixels per angle = 5.76E


DESIGNING FOR HUMANS


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HUMANS LIKE REALITY…才怪


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HUMANS LIKE REALITY


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HUMANS GET SCARED

• VR

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HUMANS GET TIRED

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• 2 5

• VR 5 30


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HUMANS CAN EMPATHIZE

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DESIGNING FOR VIRTUAL INTERACTIONS


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• UI

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• You really want to read this…

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UNITY VR ROADMAP UNITY VR


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Camera Camera

Camera

API

Culling x 2, Shadow Draw x 2, Drawcall x 2, Render State x 2

GRAPHICS PIPELINE

Set Textures Set Transforms Set Geometry State Draw




Update View to Other Eye


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Camera Camera

Object

Camera Viewport Transform

Drawcall x 2

GRAPHICS PIPELINE

Set Textures Set Transforms Set Geometry State Draw Set View State Draw




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之後的圖形流⽔線-其他⽅案

渲染場景時，只檢查⼀次場景，每個Object送出⼀次，建⽴兩個Command

List來分別渲染(需要硬體⽀援,Ex: DX11) 渲染場景時，只檢查⼀次場景，使⽤Instancing技術來double所渲染的物體(不⽀援OpenGL ES 2.0)

⽀持多GPU

GRAPHICS PIPELINE


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VR


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VR AR

2015


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VR

Virtual Boy 1995 Oculus Rift 2012Google Cardboard 2014


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截⽌2017年，累計的VR 設備總數會達到1320萬台

預計到2020會有2600萬台相關設備

在2020年VR 設備累計總數會達到6600萬

99%的復合增⻑率

2020年HMD市場價值為30億美元


VR - 720 VR


A VR DEMO MADE BY MAKOTO ITO

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+

COMBINE 6 GO-PRO CAMERAS WITH A QUADROTOR

Or… buy a Panorama Camera


HOW IT WORKS?


CREATING A AUGMENTED REALITY IN UNITY

Kelvin Lo, Unity Technologies


AR DEMO


PROJECT DEMO 1.Vuforia 5 SDK for Unity 2.Target Dataset Unity 3.


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• https://bitbucket.org/Unity-Technologies/2ddemos

https://bitbucket.org/Unity-Technologies/2ddemos

[email protected]

Unity vr jam_kelvin_1127

Education

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