Reversing keyframes
Every once in a while, we may look at an animation and say: "That would look so much better if it was played in the opposite direction". That's where reversing keyframes comes in. We can select a series of keyframes and easily reverse them to flip the animation.
How to do it...
Open
04_07
from this chapter's exercises folder.Press the Space bar to play back the animation. It's a book from Motion's Content library. The Opacity, Position, Scale, and Rotation parameters have been keyframed. We're going to reverse the Rotation and Scale keyframes, so that it animates in the opposite direction.
Press Command + 8 to bring up the Keyframe Editor. On the left-hand side of this editor, click on the word Animated and choose Rotation from the drop-down menu. Now, only the Rotation keyframes show in the graph.
Press Command + A to select both the Rotation keyframes in the editor. Ctrl + click on one of the keyframes and choose Reverse Keyframes, as shown in the following screenshot....