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726 Chapter 21: User Interface
Youcanchangetheactivetimesegment
w ithout affecting the keys you’ve created.
For example, if you have keys scattered over
a range of 1000 frames, you can narrow
your active time segment to work on only
frames 150 to 300. You can only work on
the150framesintheactivesegment,but
the remainder of t he animation stays intact.
Returning the active segm ent from 0 to 1000
restores access and playback of all the keys.
Changingtheactivetimesegmenthasthe
following effects: it restricts the range of
time you can use with the time slider, and it
restrictstherangeoftimedisplayedwhen
using the animation playback buttons.
The default setting for the ac tive time
segment runs from frames 0 to 100, but you
can set it to any range.
To stretch out your existing animation over a longer
time:
1.
In the Time Configuration dialog > Animation
group, click Re-scale Time.
2. Change the value in Leng th to be the number of
frames you want the action to fill.
3. Click OK.
The animation is rescaled to the new number
of frames.
This also works to compress animations into a
shorter space of time. To avoid losing frames
during the rescaling, see “To use sub-frame
animation” in this set of procedures.
To a dd fr ames ont o y our ex is ting ani mati on:
This procedure adds new frames to the end of your
animation, without affecting your existing work.
1. In the Time Configuration dialog > Animation
group>EndTimefield,enterthenumberof
the last frame of the animation.
Forexample,ifyourexistinganimationis100
frames long and you want to add 50 fr ames,
enter 150.
2. Click OK.
Thenumberyouenteredisnowthenewlength
of the animation, shown on the time slider.
To move to an exact time in your animation:
• In the Time Configuration dialog > Animation
group,entertheframenumberintheCurrent
Time field, and press
Enter .
The viewport updates to this frame.
To set the frame rate of your animation:
IntheTimeConfigurationdialog>FrameRate
group, do one of the following:
• Choose one of the standard frame rates such
as PAL or NTSC.
• Choose Custom, and specify a frame rate in the
FPS (frames-per-second) field.
To configure viewpor t playback :
• IntheTimeConfiguration>Playbackgroup,
turn on or off the Real Time and Active
Viewport Only boxes.
To play your animation in reverse or back a nd for th:
1.
In the Time Configuration > Playback group,
turn off the Real Time.
2. Choose the direction of the animation playback
by selec ting Forward, Reverse, or Ping-Pong.
3. Play the animation in the v iewpor t using the
Play button or the / key.
To play your animation only once:
1.
In the Time Configuration > Playback group,
turn off Loop.
2. Choose the direction of the animation playback
by selecting Forward, Reverse or Ping-Pong.