What is VR? Virtual Reality June2016
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The document provides an overview of virtual reality (VR), defining it as a computer-generated immersive environment characterized by user agency and presence. It explores key terms related to VR such as immersion, presence, and agency, as well as technical aspects like tracking, audio, haptics, and world design. Additionally, it highlights various applications of VR including gaming, education, travel, and architectural design.
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What is VR? Virtual Reality June2016
- 1. June 25, 2016 WhatIsVR 2016 - [email protected] 1 What Is Virtual Reality (VR)? 24rd anniversary revision June 2016 Honolulu mini-Maker Faire Jerry Isdale, [email protected]
- 2. June 25, 2016 WhatIsVR 2016 - [email protected] 2 Basic Definition ● Virtual Reality is a computer generated immersive environment that allows users agency and engenders presence. ● Immersive, Agency, Presence ? ● Marketing and Press stretch definitions into wide spectrum of uncertainty.
- 3. June 25, 2016 WhatIsVR 2016 - [email protected] 3 Some Word Definitions ● Immersion - perception of being physically present in a non-physical world ● Presence – Feeling of being There, Realism ● Agency – having control of view and actions ● Haptics – sense of touch ● Proprioception – sense of body position ● Affordances – perceived action possibilities
- 4. June 25, 2016 WhatIsVR 2016 - [email protected] 4 Reality-Virtuality Continuum of Mixed Reality Milgram et al, revised by Ron Azuma, etc
- 5. June 25, 2016 WhatIsVR 2016 - [email protected] 5 Augmented Reality CGI over Real World
- 6. June 25, 2016 WhatIsVR 2016 - [email protected] 6 Mixed Fantasy Framework Stapleton et al “Applying Mixed Reality to Entertainment” IEEE Computer Dec 2002
- 7. June 25, 2016 WhatIsVR 2016 - [email protected] 7 Agency in VR ● Agency == Interactivity ● Surround Images/Video – passive viewer position (look around, dont move) ● Surround Video with teleporting (limited move) ● Immersive Environment free motion, limited object interaction (move some objects) ● Immersive Environment with full agency and interaction (move, destroy, build) ● Affordances – what can you do?
- 8. June 25, 2016 WhatIsVR 2016 - [email protected] 8 Head Mounted Displays HMDs
- 9. June 25, 2016 WhatIsVR 2016 - [email protected] 9 CastAR Projection HMD
- 10. June 25, 2016 WhatIsVR 2016 - [email protected] 10 Domes, CAVE
- 11. June 25, 2016 WhatIsVR 2016 - [email protected] 11 Visual Depth Perception ● Static Monocular – Occlusion, Size, Perspective, Shading ● Stereopsis – Binocular stereo ● Motion Parallax ● Oculomotor cues – Accomodation (eye shape) – Convergence (eye pointing)
- 12. June 25, 2016 WhatIsVR 2016 - [email protected] 12 Tracking ● Position + Orientation ● Head, Controllers ● Eye Tracking – Fovial Rendering ● Hands & Body ● Gestures
- 13. June 25, 2016 WhatIsVR 2016 - [email protected] 13 Audio ● Very important to experience ● Environmental, Effects, Mood Music ● Spatialization – Interaural time/intensity – Pineal shape ● Speech Generation ● Speech Recognition
- 14. June 25, 2016 WhatIsVR 2016 - [email protected] 14 Haptics ● Tactile – Temperature, curvature, vibration ● Kinematic Force – Force feedback – Exoskeleton ● Motion Platforms
- 15. June 25, 2016 WhatIsVR 2016 - [email protected] 15 World Design ● 3D Modeling ● World Assembly ● Behaviors – Afforances – (perceived) action possibilities; what can you do? ● VR Engines – Unity, UnReal, CryEngine, Lumberyard, WorldViz, etc ● Storytelling, Narrative Cues ● Usability Design ● Lots of Literature on Building Worlds – Research it! – Brenda Laurel – http://lmgtfy.com/?q=vr+world+design
- 16. June 25, 2016 WhatIsVR 2016 - [email protected] 16 VR Applications ● Games ● Education/Training ● Travel/Tourism ● Architectural/Engineering Design ● Information Visualization – Knowledge Management
- 17. June 25, 2016 WhatIsVR 2016 - [email protected] 17 VR Business
- 18. June 25, 2016 WhatIsVR 2016 - [email protected] 18 Not Games