By tweening shapes, you can create an effect similar to morphing, making one
shape appear to change into another shape over time. Flash can also tween the
location, size, color, and opacity of shapes.
Tweening one shape at a time usually yields the best results. If you tween
multiple shapes at one time, and want them to morph together, all the shapes
must be on the same layer. Otherwise, for some effects, you should shape
tween each shape on separate layers if you do not want them to affect each
other. Each rectangle‹the curtain effect in the background and the
rectangle on top tweens on its own separate layer.
To apply shape tweening to groups, instances, or bitmap images, you must
first break these elements apart (Modify > Break Apart). To apply shape
tweenin... (more)
Flash Basic 8 and Flash Professional 8 offer several ways to include
animation and special effects in your document. For example, you can create
tweened animations using the Timeline and Flash workspace, automated Timeline
effects (by making selections in a dialog box), or ActionScript code.
To create tweened animations, you create starting and ending frames and let
Flash create the anima... (more)