The IAnimationTarget object notified with all start, end, repeat, and update events for this animation. A value of null indicates that there is no target to notify.

The default value is null.

An Object containing the calculated values as of the current frame of the Animation. The values are stored as map values, using property names as the key.

The current fraction elapsed in the animation, after easing has been applied. This value is between 0 and 1. An animation 'cycle' is defined as a single repetition of the animation, where the repeatCount property defines the number of cycles that will be played.

The current millisecond position in the current cycle animation. This value is between 0 and duration. An animation 'cycle' is defined as a single repetition of the animation, where the repeatCount property defines the number of cycles that will be played. Use the seek() method to change the position of the animation.

The length of time, in milliseconds, of the animation, not counting any repetitions defined by the repeatCount property.

The default value is 500.

The easing behavior for this effect. This IEaser object is used to convert the elapsed fraction of the animation into an eased fraction, which is then used to calculate the value at that eased elapsed fraction.

A value of null means no easing is used, which is equivalent to using a Linear ease, or animation.easer = Linear.getInstance();.

The default value is Sine(.5).

The interpolator used by the Animation instance to calculate values between the start and end values of the property. By default, the class uses the NumberInterpolator class or, in the case of the start and end values being arrays or Vectors, by the MultiValueInterpolator class. Interpolation of other data types, or of Numbers that should be interpolated differently, such as uint values that hold color channel information, can be handled by supplying a different interpolator.

Related API Elements

If true, the animation is currently playing. The value is false unless the animation has been played and not yet stopped (either programmatically or automatically) or paused.

The default value is false.

The set of MotionPath objects that define the properties and values that the Animation will animate over time.

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The total elapsed time of the animation, including any start delay and repetitions. For an animation playing through its first cycle, this value will equal that of cycleTime.

If true, play the animation in reverse. If the animation is currently playing in the opposite direction to the specified value of playReversed, the animation will change direction dynamically.

The default value is false.

Sets the behavior of a repeating animation. A repeating animation has the repeatCount property set to 0 or to a value greater than 1. This value should be either RepeatBehavior.LOOP, meaning the animation repeats in the same order each time, or RepeatBehavior.REVERSE, meaning the animation reverses direction for each iteration.

The default value is RepeatBehavior.LOOP.

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The number of times that this animation repeats. A value of 0 means that it repeats indefinitely.

The default value is 1.

The amount of time, in milliseconds, to delay before each repetition cycle begins. Setting this value to a non-zero number ends previous animation cycle exactly at its end value However, non-delayed repetitions may skip over that value completely as the animation transitions smoothly from being near the end of one cycle to being past the beginning of the next. This property must be a value >= 0.

This property is used for the first repetition after the first animation cycle. To delay the first cycle of the animation, use the startDelay property.

The default value is 0.

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The amount of time spent waiting before the animation begins. This property must be a value >= 0.

The default value is 0.

Constructor. The optional property, startValue, and endValue parameters define a simple animation with a single MotionPath object with two Keyframes. If either value is non-null, startValue becomes the value of the first keyframe, at time=0, and endValue becomes the value of the second keyframe, at the end of the animation.

Interrupts the animation, jumps immediately to the end of the animation, and calls the animationEnd() function on the animationTarget.

Pauses the effect until the resume() method is called. If stop() is called before resume(), then the animation cannot be resumed.

Start the animation. If the animation is already playing, it is stopped first, then played.

Resumes the effect after it has been paused by a call to the pause() method.

Stops the animation, ending it without calling the end() method. The animationStop() function on the animationTarget will be called.