Chapter 8. Animation with Motion Tweening
Frame-by-frame animation has two drawbacks: First, it’s labor-intensive; second, it creates large files. Macromedia Flash MX 2004 offers a way to mitigate both problems with a process called tweening. In Chapter 7, you created a three-frame animation of a bouncing ball by changing the position of the ball graphic in each of the three keyframes. Then you learned how to stretch out the animation by adding in-between frames that simply repeated the contents of the preceding keyframe. With tweening, you create similar keyframes, but Flash breaks the keyframe changes into multiple steps and displays them in the in-between frames.
To tween a graphic, Flash creates a series of incremental changes to that graphic; ...
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