

VDist(V1, V2). Compute the distance between two points.
Parameters:
V1, V2 = Input vectors.
http://www.povray.org/documentation/view/3.7.1/459/
So, you could either compute the distance between the Camera_Transform[ed]
Camera_Location and Camera_LookAt, or since IIRC the default camera uses a
projection plane one POVunit away from the camera, you could normalize that and
multiply it by the length of the Camera_Distance vector...
Mike Horvath <mik### [at] gmailcom> wrote:
> How do I calculate the distance between a point and the camera? Except,
> I am using an orthographic camera, so I really need the distance between
> a point and the plane formed by the camera's up and right vectors.
Or you could use a Graphics Gems macro to actually calculate the shortest
(perpendicular) distance between the (transformed) camera point and the
(transformed) upright plane.
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