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MovieClip.alphaTo

make a movie clip alpha dynamically using this cool proto

Submitted By: reyco1

Actions:

Rating:

Views: 5,115

Language: ActionScript

Last Modified: April 4, 2005

Instructions: you know the drill, plug the proto on to the first frame of your movie. an example of the usage is in the script

Snippet

MovieClip.prototype.alphaTo = function(targetAlpha, speed) {
this.onEnterFrame = function() {
alphaDifference = Math.abs(this._alpha-targetAlpha);
if (this._alpha>targetAlpha) {
this._alpha -= alphaDifference/speed;
} else if (this._alpha<targetAlpha) {
this._alpha += alphaDifference/speed;
} else if (this._alpha == targetAlpha) {
delete this.onEnterFrame;
}
};
};
//
/////////////usage////////////////////////
////myImage.alphaTo(targetAlpha, speed)///
//////////////////////////////////////////
//
myButton.onRelease = function() {
_root.myImage.alphaTo(0, 4);
};

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