Apple Motion 5.1.1 - Manual (Page 383)

Chapter 10 Rigs and widgets 383
For example, you can create a basic project for an animated lower-third title that incorporates
two text objects, a background replicator, and a lens flare generator that moves across the text.
Each time the project is used, the size and position of the background generator must change to
match the length of the text. Also, the lens flare must only appear on top of the letters. Using a
rig, you can create a small set of controls that modify the parameters such changes require. That
way, rather than selecting individual objects, opening their respective Inspectors, and making
those changes, you can select the rig and have instant access to all parameters to change.
Alternatively, you can publish the widgets and use the Project object (in the Layers list) as a
custom control pane in the Inspector. For more information about publishing, see
Publish rigs on
page 384.
You can even apply keyframes to a slider widget to create dynamic animated effects based on
saved snapshots in the slider. Pop-up menu and checkbox widgets cannot be keyframed, nor can
they accept behaviors.
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