8
766 Chapter 21: User Interface
Previ ous Frame/K ey
Status bar > Time controls > Previous Frame
Keyboard > , (comma)
Previous Frame moves the
time slider (page
3–748)
back one frame.
If
Ke y Mode (p age 3–767)
is on, the time
slider moves to the previous
keyframe (page
3–1054)
.KeyframeoptionsaresetintheKeySteps
group of the
Time Configuration dialog (page
3–768)
.
If Time Configuration dialog > Use TrackBar is
on, Previous Key jumps to the previous k ey of any
kind. If Use TrackBar is off, Previous Key jumps
to the previous transform key, ignoring any other
type of keys.
Play/Stop
Status bar > Time controls > Play
Status bar > Time controls > Stop
Keyboard > / (to play); ESC (to stop)
The Play button plays the animation in the active
viewport. If you click another view port to make
it active, the animation continues playing in that
v iewport. When the animation is playing, the Play
button becomes a Sto p button. The Play button is
aflyoutforplayingonlytheanimationofselected
objects.
Tip: Yo u c a n p l a y t h e a n i m a t i o n i n a l l t h e v i e w p o r t s
simultaneously by turning off Active Viewport
Only in the
Time Configuration dialog (page
3–768)
.
Procedures
To play the animation in the v iewpor t:
1.
Activatetheviewportwhereyouwanttoplay
the a nimation.
2. Click the Play button .
The animation plays i n the viewport. The Play
button becomes a Stop button.
3. Click Stop to end the playback.
The speed of the animation playback is
determined by the settings in the Time
Configuration dialog, the complexit y of the
sceneandthespeedofthegraphicscardand
processor.
To play the a nimation l ooped back war d:
1.
Click the Time Configuration button on
the st atus bar.
2. In Time Configuration dialog > Playb ack
group, turn off Real Time.
The Direction buttons are now available.
3. Turn on Reverse and click OK.
4. Click the Play button .
The animation plays backward.
5. To play the animation front-to-back and then
back-to-front in a continuous loop, turn on
Ping-Pong as the Direction.
To play the a nimation of a selected object only:
1.
Inaviewport,selectasingleanimatedobjector
a set of animated objects.
2. Click Play Selected on the Play/Stop flyout.
Only the selection is animated in the view port.
3. Click the Stop button or press ESC to end
playback.