Apple Motion 2 Getting Started - Manual (Page 159)

Chapter 5 Extra Credit 159
Note: Press Shift while drawing the shape to constrain the shape’s proportions.
To animate the scale of the rectangular shape:
1 In the Behaviors > Basic Motion subcategory, select the Grow/Shrink behavior.
2 Drag the Grow/Shrink behavior to the shape (in the Canvas or Layers tab).
3 In the Dashboard, drag the box outward to scale up the shape.
Note: To increase the rate of a behavior once its Dashboard controls are moved to their
limits, drag the Zoom slider to zoom out of the Dashboard controls to allow greater
grow or shrink rates.
The shape grows over time at the rate set in the Dashboard.
To use a shape as a mask:
1 Select the layer or object you want to mask.
2 Choose Object > Add Image Mask (or press Shift+Command+M).
Zoom slider control
2505.book Page 159 Wednesday, June 30, 2004 5:58 PM