javafx.animation

Class AnimationTimer

java.lang.Object

javafx.animation.AnimationTimer

public abstract class AnimationTimer
extends Object

The class AnimationTimer allows to create a timer, that is called in each frame while it is active. An extending class has to override the method handle(long) which will be called in every frame. The methods start() and stop() allow to start and stop the timer.

Since:

JavaFX 2.0

Constructor Summary

Constructors

Constructor and Description
AnimationTimer() Creates a new timer.

Method Summary

Modifier and Type	Method and Description
abstract void	handle(long now) This method needs to be overridden by extending classes.
void	start() Starts the AnimationTimers.
void	stop() Stops the AnimationTimers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AnimationTimer

public AnimationTimer()

Creates a new timer.

Method Detail

handle

public abstract void handle(long now)

This method needs to be overridden by extending classes. It is going to be called in every frame while the AnimationTimer is active.

Parameters:

now - The timestamp of the current frame given in nanoseconds. This value will be the same for all AnimationTimers called during one frame.

start

public void start()

Starts the AnimationTimers. Once it is started, the handle(long) method of this AnimationTimers will be called in every frame. The AnimationTimers can be stopped by calling stop().

stop

public void stop()

Stops the AnimationTimers. It can be activated again by calling start().