Apple Motion 2 Manuel d'utilisateur télécharger pdf (Page 55)

2 Basic Motion Behaviors

Behaviors are the heart of Motion. In this tutorial, learn

how to use the Basic Motion behaviors to create motion

with just a drag, drop, and a nudge—without creating

keyframes.

Behaviors automatically create motion on an image or object without creating any

keyframes. The motion can be as simple as moving an object across the screen in a

straight line, or as complex as simulated interactions between multiple objects.

Behaviors work by automatically generating a range of values for an object’s

parameters. For example, an object with an applied Spin behavior automatically rotates

the object based on the rate and direction you set.

As another example, an object with an applied Attractor behavior automatically

attracts other objects. The “other” objects can include only objects within the layer to

which the behavior is applied, only objects that you specify, or all objects in the project.

There are five different types of behaviors in Motion: Basic Motion, Simulation,

Parameter, Particle, and Text behaviors, which are among the simplest to use. This

tutorial focuses on the Basic Motion behaviors. These behaviors animate specific

parameters of the object to which they are applied. Some affect position, such as

Throw, while others affect opacity, such as Fade In/Fade Out.

You can adjust the effect of a behavior using simple, graphical controls in the

Dashboard, or dig into all controls for the behavior in the Inspector.

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Apple Motion 2 Manuel d'utilisateur Page 55