JavaFX supports a lot of transition and animation classes for Node properties like the javafx.animation.ScaleTransition. But sometimes you need a special animation for that no default transition is provided by JavaFX. Currently the best pratice is to extend javafx.animation.Transitionand override the interpolate(double frac) method:

protected void interpolate(double frac) {

Because JavaFX offers PropertyBinding I created a BindableTransition which current fraction is a Property and can be bind to any other NumberProperty. Here is an example:

Button button = new Button("BindableTransition");
DropShadow shadow = DropShadowBuilder.create().build();

final Duration duration = Duration.millis(1200);
BindableTransition transition = new BindableTransition(duration);


The fractionProperty of the BindableTransition is bound to three different Properties and the result will look like this:

The BindableTransition class and a demo are commited to the JFXtras project.

2 Responses to BindableTransition

  1. This is logic solution. Why this simple enhancment (bindable frac) is not already part of abstract class Transition?

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