Need help: Round to a number from a range of numbers

Hello. This may be a stupid question but I hope I can get help with the structure of my code at least. I'm trying to syncronize an audio and some text by highlighting it.

In the main movie I have counter variable which calls charCounter3.as and timeVars variable which calls timeSettings.as I have onEnterFrame function that highlights the text while sound is playing. My code is:

Code:

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function onEnterFrame(e:Event):void {
        pos=soundChannel.position;
        var minutes:uint=Math.floor(soundChannel.position/1000/60);
        var seconds:uint=Math.floor(soundChannel.position/1000)%60;
        debug_txt.text='position: '+pos;

        if (pos>=timeVars.setTimes(globalNum)) {
                if (pos<timeVars.setTimes(globalNum+1)) {

                        txt.setTextFormat(def_tf, 0, txt.length);
                        txt.setTextFormat(hl_tf, counter.breakPos[globalNum], counter.breakPos[globalNum+1]);
                        globalNum=(timeVars.timeArr as Array).indexOf(Math.floor(pos));
                }
        }
}

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Highlighted text needs to be updated on audio forwards and backwards. I think onEnterFrame isn't being able to catch the timeArr values. I will be glad if someone helps.

can't help with code, but do know how to round numbers:

Math.round() this will round numbers

Math.floor() this will always round down

Math.ceil() this will always round up


Hope that helps : )

word2yerMom thanks for your reply. I have to find out how to detect if position is in range of numbers (variables).