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Add Frame Labels p. 46

  • When you're working with multiple timelines throughout your movie, moving objects from place to place, and adding or removing frames as you work, it can be difficult to remember what frame number holds an object you're looking for or want to link to from elsewhere in the movie.

    If you have objects on a keyframe at Frame 70 but then add 8 frames to the Timeline, your keyframe is now at 78. If buttons or other movie clips are linking to that keyframe by number, you have to remember to search them out and change the link from 70 to 78. But if you've labeled the keyframe important_frame, that doesn't change, and all the pointers in your movie are still correct.

  • It's a common practice in Flash development to add frames after a keyframe just to make enough room to display the frame label, making it easy to locate frames during development. In our Timeline so far, the only frames that will actually be seen by viewers are frames 1 and 11; the other frames will be bypassed. You'll understand this more when we add animations and navigation controlled with ActionScript later in the book.

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