Adobe After Effects CS3 Manual do Utilizador descarregar pdf (Página 483)

AFTER EFFECTS CS3

User Guide

478

Note: You cannot use the Undo command to reverse the Re-timer after you apply it. However, you can apply the Re-

timer again, using the inverse of the value you typed previously to revert to the original value. For example, if you

changed the Re-timer value to 200% and then wanted to go back to the earlier setting, choose Re-timer again and type

a value of 50%.

Paint using QuickPaint mode in Vector Paint

Ordinarily, when you draw strokes with Vector Paint, those strokes are associated with the position of the current-

time indicator. After you draw a stroke, you can draw more strokes at the same time setting or at different time

settings. The results you see when you preview or render the composition depend on your Playback Mode setting.

The Shift-Paint Records controls change the way that strokes associate with time settings, called QuickPaint mode.

Oneoftheadvantagesofthisfeatureisthatyoucancreatefastcontinuousrecordingsofasequenceofstrokeswithout

redraw delays after each one.

1 From the Vector Paint options menu, choose Shift-Paint Records, and then choose a Shift-Paint Records option:

Note: You cannot apply a Shift-Paint Records option to strokes you’ve already created.

To Current Frame Specifies that all strokes start at the current frame (the current-time indicator position when you

draw the strokes). The result is similar to ordinary painting mode except that Shift-Paint Records has no redraw

delays.

To Sequential Frames Specifies that all stroke start times are offset by one frame. The next frame is calculated

according to the composition frame rate at the time of drawing. For example, if the current-time indicator is at 0:00

when you draw three strokes, then the start point is 0:00 for the first stroke, 00:01 for the second stroke, and 00:02

for the third stroke.

In Realtime Specifies that stroke start times are determined by how they are drawn. The strokes are recorded and

played back in real time even if you lift the brush while drawing. Strokes play back exactly as they were recorded,

includinganytimethatelapsed(gaps)betweenthecreationofthestrokes(providedthatyoucontinuedtoholddown

Shift during the time gap).

Continuously Specifies that stroke start times follow one another, without any gaps. When one stroke is finished

drawing, the next one begins immediately. Otherwise, the result is similar to the In Realtime option.

2 Press Shift as you paint.

When you paint, the Info panel displays the name of the selected Shift-Paint Records option.

Wiggle controls for the Vector Paint effect

Enable Wiggling Ifselected,allstrokesonthelayeraresettowiggleusingtheWiggleControlvaluessetintheEffect

Controls panel.

Wiggles/sec Determines the number of wiggles per second of composition time. Wiggling is spline-based morphing

of paint strokes. Wiggles/sec controls the speed at which the morph completely shifts shape. For example, in a 30-

fps composition, setting the Wiggles/sec value to 30 creates one wiggle per frame. Lower values result in a smooth

animation of morphing strokes. Higher values create more rapid wiggling.

Displacement Variation Determines how far the stroke moves from its original position while wiggling. The greater

the value, the greater the deviation in shape.

Displacement Detail Determines how much the original shape of the path is altered while wiggling. Greater values

increase the detail of displacement (or change in shape) in the stroke. Lower values produce less displacement,

leaving the path closer to its original shape.

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Adobe After Effects CS3 Manual do Utilizador Página 483

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