I've heard that both eyes are required for depth perception. Does
that apply to 3-D computer games?
I suspect that sounds like a dumb question, but I'm double checking.
> I've heard that both eyes are required for depth perception. Does
> that apply to 3-D computer games?
>
> I suspect that sounds like a dumb question, but I'm double checking.
If the games involve wearing special glasses or goggles to experience
the 3D then yes. if the 3D is somehow simulated on screen without
special glasses then no.
Dr Judy
>I've heard that both eyes are required for depth perception. Does
>that apply to 3-D computer games?
>
>I suspect that sounds like a dumb question, but I'm double checking.
No, it doesn't apply, because 3D games are not 3D in the sense that 3D
movies are.
They simply model a three-dimensional world, one view of which is
rendered to the screen at any given moment.
Since it's a 2D image you're looking at, visual depth perception based
on binocular vision isn't possible with any one frame. Many modern
games add distance fogging, which simulates the atmospheric haze that
in real life gives you clues as to how distant an object is.
But the main way in which your brain figures out depth in a 3D game is
via the game's camera movement. The aspects of objects change with
the camera, which allows your brain to construct its own 3D model to
fit the observations (which should ideally match the model that exists
in the computer's memory).

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- Mike
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