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An animated zoom changes
perspective, which can be disturbing and/or distracting. A dolly
should be used instead to enlarge the image of an object of
- The camera should almost never be
rotated about its view direction--unless a seasick audience is
- Changing the focal depth can be used to track
objects of interest, but a sophisticated
renderer is required to simulate focus.
- Depth of field is rarely changed
in real cinematography due to technical limitations,
but might be useful in computer animation.
Smooth spline animation should almost always be used for camera animation.
Quick camera moves should normally be replaced by cuts (instantaneous changes of
scene) unless a special effect is desired.
Animation of spotlight sources is similar to the animation
of a camera. Support of a ``light's-eye-view'', therefore, is
CS488/688: Introduction to Interactive Computer Graphics
University of Waterloo
Computer Graphics Lab