What is VR? Virtual Reality June2016

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What Is Virtual Reality (VR)? 24rd anniversary revisionJune 2016Honolulu mini-Maker FaireJerry Isdale, isdale@gmail.comBasic DefinitionVirtual 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.Some Word DefinitionsImmersion - perception of being physically present in a non-physical worldPresence Feeling of being There, RealismAgency having control of view and actionsHaptics sense of touchProprioception sense of body positionAffordances perceived action possibilitiesReality-Virtuality Continuum of Mixed RealityMilgram et al, revised by Ron Azuma, etcAugmented RealityCGI over Real WorldMixed Fantasy FrameworkStapleton et al Applying Mixed Reality to Entertainment IEEE Computer Dec 2002 Agency in VRAgency == InteractivitySurround 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?Head Mounted Displays HMDsCastAR Projection HMDDomes, CAVEVisual Depth PerceptionStatic MonocularOcclusion, Size, Perspective, ShadingStereopsisBinocular stereoMotion ParallaxOculomotor cuesAccomodation (eye shape) Convergence (eye pointing)TrackingPosition + OrientationHead, ControllersEye TrackingFovial RenderingHands & BodyGesturesAudioVery important to experienceEnvironmental, Effects, Mood MusicSpatializationInteraural time/intensityPineal shapeSpeech GenerationSpeech RecognitionHapticsTactileTemperature, curvature, vibrationKinematic ForceForce feedbackExoskeletonMotion PlatformsWorld Design3D ModelingWorld Assembly BehaviorsAfforances (perceived) action possibilities; what can you do?VR EnginesUnity, UnReal, CryEngine, Lumberyard, WorldViz, etc Storytelling, Narrative CuesUsability DesignLots of Literature on Building Worlds Research it!Brenda Laurelhttp://lmgtfy.com/?q=vr+world+design VR ApplicationsGamesEducation/TrainingTravel/TourismArchitectural/Engineering DesignInformation VisualizationKnowledge ManagementVR BusinessNot GamesWhatIsVR 2016 - isdale@gmail.com

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