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Animation:
make objects move or
change over time according to
scripted actions and/or
(physical) laws

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Outline
¢ Animation and animation types
¢ Traditional animation “ Disney
¢ Computer role in animation
¢ Computer animation techniques
“ 2D vs. 3D
“ Object models
“ Motion models

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Animation
¢ Animation is produced by the rapid
display of consecutive still images
¢ Minimum frame rate (humans) for
smooth transitions is about 15 Hz.
¢ For film/TV, 23 Hz to 30 Hz is normal.
¢ For a smooth visual effect, higher
frame rates may be necessary, and
timing of frame displaying is important