Create a paint stroke – Apple Motion 5.1.1 User Manual
Page 840
Chapter 20
Shapes, masks, and paint strokes
840
Paint strokes can be animated by applying Basic Motion, Simulation, and Parameter behaviors, or
a special category of behaviors called Shape behaviors, including a behavior to sequence effects
over the length of the stroke. For more information on using the Shape behaviors, see
on page 871. Paint strokes can also be keyframed.
Note: The stroke’s shape (defined by its control points) and open/closed state can be modified in
the Canvas or Inspector. Because a stroke is a shape, it can be edited like any other shape, using
the methods described in
Edit shape fill, outline, and feathering
on page 837.
After you select the Paint Stroke tool in the toolbar and before drawing the stroke in the
Canvas, you can define the color and other attributes of the stroke in the Paint Stroke Tool HUD.
Depending on the effect you want, you may achieve better results using a stylus and tablet with
the Paint Stroke tool. Many styles and brushes take advantage of the pen pressure and speed
applied when creating the stroke using a graphics tablet. You can apply the pressure or speed
to different stroke parameters, such as width, opacity, and spacing. For example, choosing Width
from the Pen Pressure pop-up menu in the Paint Stroke Tool HUD results in wider strokes when
you apply more pen pressure.
Using the Write On parameter, you can record a stroke so it “draws” over time. In this case, a
Write On Shape behavior is applied to the stroke using as its settings the time it took to draw
the stroke and the speed at which each section of the stroke was created. These settings can be
modified after the stroke is created. A Write On behavior can also be applied after a paint stroke
is created. For more information on using the Write On behavior, see
on page 881.
Create a paint stroke
Create paint strokes and preview the stroke attributes using controls in the HUD.
Make a paint stroke
1
Select the Paint Stroke tool (or press P).
The Paint Stroke Tool HUD appears. (If it doesn’t appear, press F7.)
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