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VIRTUAL REALITY
• Some interesting uses nowadays
• VR correlated health issues and how to avoid/reduce them
• Brief presentation of VR Parachuting
• Problems encountered w.r.t.“canonical” videogames
• Solutions adopted for performance improvement
KEY POINTS
ARCHITECTURE
SURGERY
Headache
Stomach awareness
Nausea
Sense of vomiting
Disorientation
CYBERSICKNESS
THE MAIN CAUSE
• 3 semicircular canals
filled with liquid
• Head rotations
around 3 axes move
liquid inside them
• Liquid pushes on
cupula, which
translates mechanical
movements into
electric signals
• Adequate resolution (> 1080p)
• Low pixel persistence (< 3 ms)
• High graphics refresh rate (> 60 Hz, 95 Hz adequate)
• Tracking accuracy (< 1 mm translation, 0.25° orientation)
• Low latency (< 25 ms)
REQUIREMENTS
• Wide field of view (> 80°)
Static objects into view
• Virtual cockpit
• Virtual nose
TRICKS
http://www.purdue.edu/newsroom/releases/2015/Q1/virtual-nose-may-reduce-simulator-sickness-in-video-games.html
VR PARACHUTING
I version
II version
Transform = position, rotation, scale
REDUCING COMP LOAD
SPEEDTREES
PLAYING AREA
terrain.party
PLAYING AREA
PLAYING AREA
PLAYING AREA
PLAYING AREA

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Virtual Reality programming and designing issues