Does anybody here knows how this funciton actually works? In General
Documentation it is said:
> lookAt
>
> public void lookAt(Point3d eye,
> Point3d center,
> Vector3d up)
>
> Helping function that specifies the position and orientation of a view matrix.
> Parameters:
> eye - the location of the eye
> center - a point in the virtual world where the eye is looking
> up - an up vector specifying the frustum's up direction
I wonder why we need "center" parameter, since it's sufficient to have
only eye's position in the virtual world and vector pointing out the
direction of the look. Moreover, in most cases (at least in my case) i
don't actually know _the point_ the eye should look at, but rather
direction only. Have i misunderstood something or what? I think the
answer is as simple as a keyboard, but.... Please, if anybody knows the
answer, help me.
vladimir
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