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Question

Movieclip Reverse playing

Forum|Forum|16 years ago
June 18, 2009
2 replies
702 views

So I have this mc:

this.slidingMenu

it's a mc of a ring shaped menu, which turn around when 2 button get clicked. When the button on the right, mc goes forward until stop(), when the button on the left mc goes reverse until the stop().

In the first case i use gotoanplay, and everything goes fine (thanks Ned ).

For the second I use prevFrame, like this:

Header 1
function navRWD(){ if (slidingMenu.currentFrame == 1) { slidingMenu.gotoAndStop(78); slidingMenu.prevFrame(); } else { slidingMenu.prevFrame(); } } function rwd(): void { slidingMenu.addEventListener(Event.ENTER_FRAME, navRWD()); //slidingMenu.removeEventListener(Event.ENTER_FRAME, navRWD()); } this.n_anim.nBtn.addEventListener(MouseEvent.CLICK, function() { rwd(); } );

Header 1

It works only 1 frame for click and get this error:

TypeError: Error #2007: parameter value must be different from null.
    at flash.events::EventDispatcher/addEventListener()
    at intro_sito_fla::MainTimeline/rwd()
    at MethodInfo-4()

Any idea?

ActionScript

This topic has been closed for replies.

Perfect_NemusAuthor

Known Participant

Here it is the solution:

i forgot to deactive EnterFrame event. So whatever i do in the stage, this event would call its own function.

Pay attentio to event, always deactive it guys

H

hutn_jimbo

Known Participant

well you first need to add the events being passed to your method

function rwd(): void
{
slidingMenu.addEventListener(Event.ENTER_FRAME, navRWD());
//slidingMenu.removeEventListener(Event.ENTER_FRAME, navRWD());
}

this.n_anim.nBtn.addEventListener(MouseEvent.CLICK, function()
{
rwd();
}
);

Perfect_NemusAuthor

Known Participant

Ok, so now left button works greatly, but right button stops working after left button has been clicked:

it let me see instruction of the left btn (trace etc).

It's like a conflict between the two listener..

// Dichiaro la variabile che conterrà l'etichetta di destinazione
var etichetta:String = "home";
var i:int = 1;
var endFrame:int;
var cLabel:String;
var allLabels:Array = slidingMenu.currentLabels;

function navFWD(e:Event){
    trace("i " + i);
    trace("endFrame " + endFrame);
    i = slidingMenu.currentFrame + 20;
    slidingMenu.play();

cLabel = slidingMenu.currentLabel;
trace("etichetta " + cLabel)
}

this.s_anim.sBtn.addEventListener(MouseEvent.CLICK, navFWD);

function rwd(): void
{
slidingMenu.addEventListener(Event.ENTER_FRAME, navRWD);
//slidingMenu.removeEventListener(Event.ENTER_FRAME, navRWD());
}

this.n_anim.nBtn.addEventListener(MouseEvent.CLICK, function()
{
      i = slidingMenu.currentFrame;

      if(i == 1){
          endFrame = i + 60;
      }else{
              endFrame = i - 20;
      }
      rwd();
}
);

Messaggio modificato da Perfect_Nemus

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