"Slime" <fak### [at] emailaddress> wrote:
> I don't think you can get get an oblique projection if the direction is
> perpendicular to the up and right. Taking the cube for example, in order to
> get that top face to have its perfect square shape, the camera needs to be
> looking straight at that face, head on. In POV-Ray that means the up and
> right vectors must be perpendicular to the green axis. Of course, this would
> then completely hide the other two sides of the cube, which is where the
> direction vector comes in. By skewing the direction vector so that rays
> coming from the camera go to the side as they go away from the camera, they
> will hit the side of the cube.

My code works. You'll see if you test it.

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