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Animation
with Shape Tweening
10
Shape tweening in Adobe Flash CS4
Professional works much like classic tween-
ing. You set up a keyframe span (the graphic
content of the beginning and ending key-
frames must be di erent in some way), then
you de ne the keyframe span as a shape
tween. Flash redraws the graphics for each
in-between frame, making the incremental
changes that transform the rst shape into
the nal one. Shape tweens can animate
changes to the path that de nes the shape of
a graphic element as well as to an element’s
size, color, location, and so on.
Flash can shape-tween more than one
graphic on a layer, but the results can be ...