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Apple Motion 3 User Manual

Page 455

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Chapter 5

Using Behaviors

455

Parameters in the Inspector

Loop Duration: A slider that sets the duration of the looped frames. The default value
is 30 frames.

Ping Pong

This behavior “ping-pongs” a segment of the clip within the duration of the behavior.
The ping-pong’s starting frame is derived from the start frame of the behavior. For
example, if the behavior is applied at the start of a clip, and Duration is set to 30, the
first 30 frames of the clip play forward, then play in reverse, then forward, and so on
until the end of the behavior. At the end of the behavior, normal playback resumes.

HUD Control
The HUD contains the Loop Duration parameter.

Parameters in the Inspector

Duration: A slider that sets the duration of the ping-pong frames. The default value is
30 frames.

Replay

The Replay behavior resets the playhead at the beginning of the behavior to a specific
frame, and then plays the clip normally from that frame. The clip plays back normally
after the end of the behavior. This allows you to trigger playback of the clip at different
times, without requiring multiple copies of the movie object.

HUD Control
The HUD contains the Start From and Start Time parameters.

Parameters in the Inspector

Start From: A pop-up menu that determines whether the replay starts from an
absolute frame number or an offset from the frame at the start of the behavior.

Absolute Frame: Sets the replay to start at the frame specified in the Start Time
parameter. For example, if the behavior starts at frame 60 of the clip and Start Frame
is set to 30, when playback reaches frame 60, the clip starts playback over from frame
30.

Offset Frame: Allows you to offset the start frame of the replay. For example, if the
behavior starts at frame 60 of the clip, and Start Frame is set to 30, when playback
reaches frame 60, the clip starts playback at frame 90. If Start Frame is set to –30, the
clip starts playback over from frame 30.

Start Time: A slider that sets the start frame from which to replay the clip. The default
is frame 1.