Classpublic class AutoAlphaPlugin
InheritanceAutoAlphaPlugin Inheritance TweenPlugin Inheritance Object

[AS3/AS2 only, although autoAlpha is recognized inside the CSSPlugin for JavaScript] Tweening "autoAlpha" is exactly the same as tweening an object's "alpha" except that it ensures that the object's "visible" property is true until autoAlpha reaches zero at which point it will toggle the "visible" property to false. That not only improves rendering performance in the Flash Player, but also hides DisplayObjects so that they don't interact with the mouse.


import com.greensock.TweenLite; 
import com.greensock.plugins.TweenPlugin; 
import com.greensock.plugins.AutoAlphaPlugin; 
TweenPlugin.activate([AutoAlphaPlugin]); //activation is permanent in the SWF, so this line only needs to be run once., 2, {autoAlpha:0});

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Public Methods
 MethodDefined By
[static] Activates one or more plugins so that TweenLite and TweenMax recognize the associated special properties.