FramePlugin.as
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/**
* VERSION: 1.03
* DATE: 10/2/2009
* ACTIONSCRIPT VERSION: 3.0
* UPDATES AND DOCUMENTATION AT: http://www.TweenMax.com
**/
package com.greensock.plugins {
import flash.display.*;
import com.greensock.*;
/**
* Tweens a MovieClip to a particular frame number. <br /><br />
*
* <b>USAGE:</b><br /><br />
* <code>
* import com.greensock.TweenLite; <br />
* import com.greensock.plugins.TweenPlugin; <br />
* import com.greensock.plugins.FramePlugin; <br />
* TweenPlugin.activate([FramePlugin]); //activation is permanent in the SWF, so this line only needs to be run once.<br /><br />
*
* TweenLite.to(mc, 1, {frame:125}); <br /><br />
* </code>
*
* <b>Copyright 2010, GreenSock. All rights reserved.</b> This work is subject to the terms in <a href="http://www.greensock.com/terms_of_use.html">http://www.greensock.com/terms_of_use.html</a> or for corporate Club GreenSock members, the software agreement that was issued with the corporate membership.
*
* @author Jack Doyle, jack@greensock.com
*/
public class FramePlugin extends TweenPlugin {
/** @private **/
public static const API:Number = 1.0; //If the API/Framework for plugins changes in the future, this number helps determine compatibility
/** @private **/
public var frame:int;
/** @private **/
protected var _target:MovieClip;
/** @private **/
public function FramePlugin() {
super();
this.propName = "frame";
this.overwriteProps = ["frame","frameLabel"];
this.round = true;
}
/** @private **/
override public function onInitTween(target:Object, value:*, tween:TweenLite):Boolean {
if (!(target is MovieClip) || isNaN(value)) {
return false;
}
_target = target as MovieClip;
this.frame = _target.currentFrame;
addTween(this, "frame", this.frame, value, "frame");
return true;
}
/** @private **/
override public function set changeFactor(n:Number):void {
updateTweens(n);
_target.gotoAndStop(this.frame);
}
}
}