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Netyaroze said:
thewayofthepath said:
Netyaroze said:

This can be solved through eyetracking its just a matter of time. One day it will be possible to focus on different planes on a 2D screen.


Err...  Physics says differently.  Doesn't matter if you take points on 2D image and blur them in and out to simulate depth perception, it's still a flat plane.  Out of focus photographs don't feel 'far away', just out of focus.

Wake me when colour holography becomes reality.

 

You could program an engine that gives the illusion of focus if the eyes are directed at a certain object. it will just render whatever you look the correct way. Depending on how much your eyes focus. Its a trick but did you ever see it in a working system ? If not you can not dismiss the possibility of it being good enough one day to fool us.


But if thats not good enough for you, what about directly projecting light into the eyes with millions of tiny Lasers. There would be no difference to real life if you can perfectly manipulate them.  

It's about distance.  We say things are in focus when light rays converge on the retina with a certain amount of clarity.  But distance changes the point of convergance.  Lenses adjust for this by changing shape.  (Or in the case of mechanical optics, changing the distance between a stack of lenses.)

Light from a flat plane will always have the same distance, and lenses will never have to change shape.  (The illusion of depth on stereoscopic 3D is more phsycological than physical.)

http://en.wikipedia.org/wiki/Accommodation_%28eye%29