Virtual Reality What You Wanted to Know...
Transcript of Virtual Reality What You Wanted to Know...
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What You Wanted to Know About Virtual Reality Diego Rivera-Gutierrez and Stevie CarnellVirtual Experiences Research Group, University of Florida
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What is Virtual Reality?Its Definition and Applications
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What is Virtual Reality?
“Halo screenshot”, GhostRobo (YouTube)
www.anandtech.com
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What is Virtual Reality?
Other uses for VR
● Psychology research - conduct psych studies in VR
● Games - create an immersive game● Training and Education - train or learn
a skill in VR● Art - Interactive Art exhibit ● Data Visualization - navigate multi-
dimensional data● Telepresence - present the user in an
another time or location (e.g. teleconference
● Phobia Treatment - exposure therapy to fear (e.g. fear of heights)
● Architectural and Design evaluation - explore a 3d model of a structure
● VR and Journalism
money.cnn.com
Museum of Stolen Art, Ziv Schneider
Virtual Tour Guides. USC ICT
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Formal Definitions of Virtual Reality
Merriam-Webster’s definition: “an artificial environment which is experienced through sensory stimuli (as sights and sounds) provided by a computer and in which one’s actions partially determine what happens in the environment”
“Computer-generated digital environment that can be experienced and interacted with as if that environment were real” (Jerald, 2015)
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The Ultimate Display
Proposed by Ivan Sutherland (1965)
HoloLens demoMinecraft
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Elements of Virtual Reality
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Stereoscopic Displays
Source: http://developer.zspace.com/docs/ui-guidelines/Content/intro.php
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Stereoscopic Displays
Source: http://www.wareable.com/vr/virtual-reality-vs-augmented-reality-which-is-the-future
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Stereoscopic Displays
Stereoscope (1870s) View-Master (1966)
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Head-Mounted Displays (HMDs)
Ivan Sutherland (1965) Ivan Sutherland (1968)
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Modern HMDs
Oculus Rift HTC Vive
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Tracking
■ GPS■ Mechanical■ Acoustic■ Inertial■ Magnetic■ Visual
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Consumer tracking devices
Leap Motion Oculus Controller (not included, not out yet) Vive controllers (included)
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Companies in VR
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Getting Started in Virtual Reality
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Getting Started in VR: Game Engines
● Unity○ OS: Mac, Windows○ Cost: free personal edition○ Royalties: royalty-free
● Unreal Engine○ OS: Mac, Windows, Linux○ Cost: free ○ Royalties: 5% on all games + apps
● CryEngine○ OS: Windows○ Cost: pay what you want○ Royalties: royalty-free
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Getting Started in VR: Headsets
● Google Cardboard○ Starting at $14.99 + cost of
compatible phone (Android or iPhone)
● Oculus Rift○ $599 + cost of compatible, Windows
computer
● Gear VR○ $99 + cost of Samsung Galaxy
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Google Cardboard + Unity
● Getting Started Guides○ Android○ iPhone
● Download the following:○ Unity○ Google Cardboard SDK○ Android SDK (as needed)
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Unity Terminology
● Assets● Projects and Scenes● Scripts● Game Objects
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General Unity Resources
● Asset Resources○ Unity Asset Store ○ Sketchup 3D Warehouse○ Importing Assets
● Recommended Unity Tutorials○ Intro to Unity○ First few lessons of the Survival Shooter Tutorial○ Some VR tutorials
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Developing for Google Cardboard
● General Guidelines● Input
○ Cardboard trigger○ External controllers
● Deploying
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Optimization
● Performance hits come from assets or code
○ Enable and disable game objects to discover what is causing problems
● Rendering Stats● Level of Detail
Unity’s “Optimizing Graphics Performance”
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Questions