July 2008
Intermediate to advanced
160 pages
2h 35m
English
Content preview from The ActionScript™ 3.0 Migration Guide: Making the Move from ActionScript 2.0Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 8. Buttons and MovieClips
Button AND MovieClip OBJECTS HAVE been completely overhauled in ActionScript 3. Both objects are now part of the display list, inheriting properties, methods, and events from all display classes in the inheritance chain. Buttons and MovieClips are both InteractiveObjects, but it’s important to keep in mind that only the MovieClip class is a DisplayObjectContainer. In AS3 a MovieClip is essentially a Sprite with a timeline, and the Button class has been renamed and replaced with the SimpleButton class.
In this chapter, you will learn the differences between AS2 and AS3 in how to handle mouse events, drag a movie clip, and work with depth in the new display-list architecture.
Mouse Events
Button and MovieClip symbol ...
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