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Chapter 39: Animating with CAT and Creating Crowds
6. Select each of the collision objects, right-click, and choose the Hide Selected option from the pop-
up quadmenu.
Figure 39.18 shows the CAT muscle with some deformation for the pec and stomach muscles.
FIGURE 39.18
The CAT muscles can be used to create muscle deformations.

Creating Crowds

Crowd systems are composed of two helper objects called Crowd and Delegate, but the system can also use
other scene objects that act as objects to avoid or follow.

Using Crowd and Delegate helpers
Crowd and Delegate helper objects are created using the Create ➪ Helper ➪ Crowd or Delegate menu com-
mands. The Crowd object looks like a simple dummy object and the Delegates are simple pyramids.
Objects can be linked to a behavior object that travels along with it.
Several of the tools that you need to define the crowd system are accessed from the Setup rollout, shown in
Figure 39.19.
Scattering delegates

If only a single delegate is created, it is not much of a crowd. Multiple delegates can be created using the
various cloning methods or using the Scatter button located in the Setup rollout in the Modify panel when
the Crowd object is selected.
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