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Chapter 9. Using Layers to Separate Content and Functionality

Chapter 9. Using Layers to Separate Content and Functionality

What you'll learn…

Uses for layers

Working with layers

Using guide layers

Special purpose layers

Configuring layers

If you've ever watched a movie being produced, you know that many people have a hand in the finished product: actors, writers, musicians, camera operators, Foley artists (the people who create sound effects), special-effects teams—the list goes on and on. It's the job of the director and editor, then, to transform the disparate elements created by all these people into a coherent whole—a task made much easier by the fact that each element in the final production (music, sound effects, computer-generated graphics, live action, and so on) can be manipulated separately.

Flash movies are assembled in similar fashion. As a Flash artist, you import sounds and bitmaps, create and animate graphics, and place ActionScripts on layers, or tracks, that you can edit individually. By placing content on individual layers, you can determine its position relative to the other elements in your movie, specifying when it will be seen or heard and how long it will play. Because you can place, edit, and animate elements on their own layers, you can work with them individually—without affecting the other elements that make up your movie. In this chapter we'll show you how to use layers to get the most out of each element.


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