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Simulation behaviors and keyframes – Apple Motion 3 User Manual

Page 837

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Chapter 9

Using the Replicator

837

For more information on applying Parameter behaviors to the Sequence Replicator
behavior, see “

Using Parameter Behaviors With the Sequence Replicator Behavior

” on

page 835.

To apply a behavior to a replicator, do one of the following:

m

Drag a behavior from the Library onto a replicator in the Canvas, Layers tab, or
Timeline.

m

Select the replicator in the Layers tab, Timeline layers list, or Canvas, click the Add
Behavior icon in the Toolbar, then choose a behavior from the shortcut menu.

The behavior is applied to the replicator, which begins to move according to the
parameters of the behavior.

Not all behaviors instantly activate a layer when applied. For example, when a Throw
behavior is applied to a layer, the Throw Velocity parameter must be adjusted before
the object moves.

For more information on behaviors, see “

Using Behaviors

” on page 369.

Special Behavior Considerations

When Simulation behaviors, as well as the Spin and Throw behaviors, are applied to a
replicator that has animated parameters, some of the animation created by the
keyframes is ignored. For example, if the Angle parameter in the Cell Controls of the
Replicator tab is keyframed so that the pattern elements rotate over time and you
apply a Spin behavior—with the Affect Subobjects checkbox turned on—the elements
rotate according to the rate set in the Spin behavior parameters, and ignore the
replicator’s Angle keyframes. To rotate the entire replicator layer and enable the Angle
keyframe animation, turn off Affect Subobjects in the Spin parameters.

Simulation Behaviors and Keyframes

A good rule to keep in mind is that any Simulation behavior, as well as the Throw and
Spin behaviors (Basic Motion), applied to a replicator disables all animation that
affects the position or rotation or the individual elements.

To return to any keyframed animation that was created before you applied the
behavior, simply disable the behaviors. To disable a behavior, turn off its checkbox in
the Inspector, Layers tab, or Timeline layers list.