Advanced animation techniques in Flash often make use of nested symbols. It can make animating objects much simpler and leave timelines cleaner and easier to work with. Often in these animations, it’s helpful to sync the nested symbol’s timeline with its parent timeline. That way, complex animation can be built within a symbol and animated independently without adding tons of layers to the main timeline. This technique is frequently used in character animation to segment a character’s moving parts.
The difficulty then becomes going through each keyframe and setting the startFrame property (listed in the Property inspector as First). This can be quite tedious over hundreds or thousands of frames. The request for this extension came from an animator on the Cold Hard Flash forum (no longer online) . It will search selected frames for graphic symbols and set their startFrame property to match the timeline.
(compatibility: Flash MX 2004 and up)
Sync Symbols to Timeline.zip
The zip file contains an mxp file for previous versions of Flash Pro and Adobe Extension Manager, as well as a zxp file.
To install with Adobe Animate CC, use the zxp file in conjunction with the Manage Extensions utility from Adobe.
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