If your camera angle is at 90, then yes, an object  at <-30,0,0> will be at the very
left edge of the window.
If you use an angle of 60, then the left edge will be at
tan(angle/2)*distancefromlocationtolook_at or -17.3205in this case.

Josh English
eng### [at] spiritonecom

I Chuprov wrote:

> Ok, say I set up a scene, and place the camera at <0, 0, -30> and look_at is set
> to <0,0,0>
>
> How many units are across the "screen" (so to speak)?
> If I put something at <-30,0,0>, will it be on the far left of the screen?
>
> Thanks,
> Igor
> --
> Hinki's Place
> http://hinki.8m.com/
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> http://wildplanet.8m.com/
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