Creating a User Interface in JavaFX - JavaFX 8: A Definitive Guide to Building Desktop, Mobile, and Embedded Java Clients - page 56

Using a Timeline for Animation
Take a look at the javafx.animation package in the JavaFX API docs, and you see three of the classes that are used
when directly creating a timeline: Timeline , KeyFrame , and Interpolator . Peruse the docs for these classes, and then
come back so we can show you some examples of using them.

■ remember to consult the JavafX api docs for any new packages, classes, properties, and methods that
you encounter.

Tip

The Metronome1 Example
We use a simple metronome example to demonstrate how to create a timeline.
As the screenshot in Figure 2-8 shows, the Metronome1 program has a pendulum as well as four buttons that
start, pause, resume, and stop the animation. The pendulum in this example is a Line node, and we're going to
animate that node by interpolating its startX property over the period of one second. Go ahead and take this example
for a spin by doing the following exercise.

Figure 2-8. The Metronome1 program