AS2 loop through all the movie clips on the stage

February 9th, 2010 Posted to Flash AS2

Here is a quick way to get and set properties for all movie clips on the stage without having to know the instance names of each MovieClip. 

for (var prop in this) {
if (this[prop] instanceof MovieClip) {
mc = this[prop];
trace ("test name: " + mc._name + " mc._x:" + mc._x + " a: " + mc._alpha);
}
}

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2 Responses to “AS2 loop through all the movie clips on the stage”

  1. Doug Maynard Says:
    April 15th, 2010 at 9:38 am

    This is a great little routine, but the related problem that’s killing me is:

    I have a dozen or so movieclips that are all instances of a symbol.

    An event occurs – like onRelease and and I’m now in the handler and I have no clue how to tell which movieclip instance got me there.

    for example:

    btn_01_mc.onRelease = buttonclicked;
    btn_02_mc.onRelease = buttonclicked;
    btn_03_mc.onRelease = buttonclicked;

    All these buttons btn_XX__mc are instances of a movieclip symbol. How do I tell, in my buttonclicked function, which button did the clicking?

    In my “really happy world” I would like to pass a parameter to my buttonclicked function from each button, but I can’t see how to do that either.

    Any help greatly appreciated.

    thanks
    Doug

  2. Michael Says:
    February 13th, 2012 at 7:46 pm

    Try creating the “buttonclicked” as a method where you pass the MC that clicked it into the method. In Pseudo Code:

    btn_01_mc.onRelease = buttonclicked(this);

    function buttonclicked(theCallingMC:MovieClip)
    {
    this._name will= “the name of the MC that fired the method”;
    }

    Would that work for you?

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