Apple Motion 4 - Manual (Page 914)

To use a generator as a particle cell source
1 Add the Soft Gradient generator to your project.
2 In the HUD or Generator tab of the Inspector, lower the Radius value. This example uses
a Radius value of 40.
3 Lower the Width and Height values. In this example, Width is set to 82 and Height is set
to 75.
The size of the gradient and its bounding box are scaled down.
4 With the generator still selected, do one of the following:
• Press E.
• In the Toolbar, click the Make Particles icon.
914 Chapter 15 Working with Generators