User Guide

CHAPTER 15
432
Using Vector Paint (PB only)
Setting playback speed
The Playback Speed value in the Effect Controls window can change the timing at which
painted strokes appear in previews and rendered compositions. Playback Speed affects the
Vector Paint strokes only when you set the Playback Mode to Past Strokes, Hold Strokes,
or Animate Strokes.
When you create strokes on a layer, the stroke is tied to the location of the Time Marker in
the Timeline when you start drawing. Vector Paint also records the amount of time you
take to draw the stroke. For example, you might start painting a stroke with the Time
Marker set to 0:00 and use 1.5 seconds to draw the stroke. Then, you might move the time
marker to 2:00 and draw a second stroke (leaving 0.5 seconds between the completion of
the first stroke and the beginning of the second one). For this example, let’s say you use 1.0
second to draw the second stroke. The entire process covers 3.0 seconds on the Timeline.
By changing the playback speed, you can change the timing for stroke appearances in
previews and rendered compositions. The results that your changes produce depend on
the Playback Mode setting that you select in the Effect Controls window:
Animate Strokes With the Playback Speed at 1.0, each stroke appears as if drawn by an
unseen hand, taking the same amount of time as you used to create it. When you increase
the Playback Speed value, the amount of time used to draw each stroke is reduced. The
gaps between strokes are also reduced. If you decrease Playback Speed, both the time taken
to draw the strokes and the length of the gaps between strokes increases.
Using the example described above in this topic, if you increase the Playback Speed value
to 2.0 (double the speed), the first stroke would be drawn in 0.75 seconds, the gap between
the two strokes would be shortened to 0.25 seconds, and the second stroke would be drawn
in 0.5 seconds. The entire animation would be complete after 1.5 seconds of playback.
Past Strokes At Playback Speed 1.0, each stroke appears in completed form at the frame
in which you started drawing and remains visible for the duration of the layer playtime.
When you increase Playback Speed, each stroke appears at an earlier point in time. If you
decrease Playback Speed, strokes occur at later points in time.
UG.book Page 432 Wednesday, February 21, 2001 12:05 PM