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1-25. DHHS Publication No. (PHS) 84-3370. Springfield, Va.: National Technical Information Service. Born: David Stern, 4th Commissioner of the National Basketball Association, in New York City (d.

We can make our 2nd raycaster a 2nd raytracer, i.e. when we cast a camera ray and it hits a reflective wall (a mirror), we solid a further, secondary mirrored ray and trace it to see which wall it hits, i.e.