Shut up and someone take my money already.
Shut up and someone take my money already.
So you have things which are attached to your head, things which follow position relative to your body, and things which follow your absolute position in the world.
Most people would work in body-space, and maybe have several different overlays they switch between for that.
On top of that, you probably need the concept of the private, shared and public objects in all these spaces - you can interact or allow people into a limited view of your 3D environment.
http://c2.com/cgi/wiki?JaronLanier
http://www.jaronlanier.com/vpl.html
http://c2.com/cgi/wiki?BounceLanguage
http://www.art.net/~hopkins/Don/lang/bounce/bounce.html
http://www.vrs.org.uk/virtual-reality-profiles/vpl-research....
http://www.nic.funet.fi/index/graphics/misc/siggraph/courses...
https://w2.eff.org/Misc/Publications/John_Perry_Barlow/being...