Philips Magnavox Videogames and the Entertainment Revolution Trigger Happy - Manual (Page 220)

Trigger Happy
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and form, but videogames have the added challenge
that they move, and 3D videogames allow objects to be
seen from more than one angle. So the demonic form is
defined as a mathematical solid, and then the
computing engine can calculate all the shading and
foreshortening automatically.
Fig. 11. House of the Dead 2: be afraid of geometry (‰ Sega
1999)
The fact that solid forms can be described by simple
geometry (geometry literally means “measuring the
world”) is an idea as old as Western civilization. In