5

• Animating on the Fly (p. 631)
• Keyframe Thinning (p. 633)
Keyframing in Motion
Keyframing is the process of assigning a parameter value to an object at a point in time.
For example, you might want a clip to be scaled to fill the screen five seconds into your
project. When you set more than one keyframe, Motion interpolates the in-between
frames, generating a smooth change over time.
For example, if you want a title to change from green to blue over time, you can set two
keyframes at two points in time. The first keyframe defines the text’s color as green, and
the second keyframe sets the color to blue. Motion makes the frames between those
points change smoothly from green to blue.
Motion lets you keyframe color values, position, rotation, opacity, and almost every other
parameter in the application.
There are several places in Motion to create and edit keyframes and the values between
them, represented by animation curves. For example, you can animate basic properties
such as scale, rotation, and screen position by manipulating the object in the Canvas.
568 Chapter 12 Keyframes and Curves