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Flash move playing in reverse

Posted on 2009-05-07
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Last Modified: 2012-05-06
I have a basic but ok knowledge of Flash however cant seem to figure out this:

On Click of this myButton pay in reverse.
Can anyone help?
Cheers,
N
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Comment
Question by:Neil_Bradley
  • 3
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5 Comments
 
LVL 3

Expert Comment

by:mharfouch
ID: 24333435
Add this to your main timeline;

//will stop 'play', 'gotoAndPlay' and 'rewind', 'gotoAndRewind' functions
MovieClip.prototype.stopAll = function () {
        delete this.onEnterFrame;
        this.stop();
}

//will stop 'rewind', 'gotoAndRewind' functions
MovieClip.prototype.stopRewind = function () {
        delete this.onEnterFrame;
}

//will play the timeline backwards and continal to loop until 'stopAll', 'stopRewind' or 'pause' are called
//note: the 'rewind' function will cancel the 'play' function BUT the 'play' function will not cancel the 'rewind' function
//you must call 'stopAll' or 'stopRewind' before using 'play' when your timeline is playing backwards
MovieClip.prototype.rewind = function () {
        this.stop();
        this.onEnterFrame = function () {
                if (this._currentframe > 0) {
                        this.prevFrame ();
                } else {
                        this.gotoAndStop (this._totalframes);
                }
        }
}

//will goto the specified frame and play the timeline backwards and continal to loop until 'stopAll', 'stopRewind' or 'pause' are called
MovieClip.prototype.gotoAndRewind = function (frame) {
        this.gotoAndStop (frame);
        this.rewind();
}

//will pause the timeline for the specified amount of time. will always play forwards when the pause has finished
MovieClip.prototype.pause = function (time) {
        delete this.onEnterFrame;
        secondsToPause = time;
        pauseInt = setInterval (this, "restart", secondsToPause * 1000);
}

restart = function () {
        clearInterval (pauseInt);
        play();
}




And then put this after your onClick function:
instancename.stopAll();
instancename.rewind();
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LVL 5

Author Comment

by:Neil_Bradley
ID: 24340382
Thanks for your responce. I have put together a basic forward and reverse FLA file with your script running however I cant it working. Can you take a look and see where the issue is? I have uploaded the FLA file here http://www.beaconhilldesign.co.nz/experts_exchange/reverse.zip

N
0
 
LVL 3

Expert Comment

by:mharfouch
ID: 24343541
Can not open the file in CS4?

What did you use to make it?
0
 
LVL 5

Author Comment

by:Neil_Bradley
ID: 24345586
CS3, I will take another look it it today and see if fresh eyes helps. Did you use AS2 or 3 to write your script?
Cheers,
N
0
 
LVL 5

Accepted Solution

by:
Neil_Bradley earned 0 total points
ID: 24382449
I tried a few ways but could not get your solution to work. After a bit of reaserach I found this (see attached).
The script is dropped into the button works a treat.
Cheers,
N

var rewind:Boolean = false; 
btn_back.addEventListener(MouseEvent.CLICK, forward); 
btn_back.addEventListener(MouseEvent.CLICK, backwards); 
 
function forward(event:MouseEvent):void{ 
    rewind = false; 
    addEventListener(Event.ENTER_FRAME, eFrame); 
} 
 
function backwards(event:MouseEvent):void{ 
    rewind = true; 
    addEventListener(Event.ENTER_FRAME, eFrame); 
} 
 
function eFrame(e:Event):void{ 
    if(currentFrame <= 1 || currentFrame >= 60){ 
        //  limit movement between frame 1-60 
        removeEventListener(Event.ENTER_FRAME, eFrame); 
    } else { 
        //  move forward or back depending on rewind 
        (rewind) ? prevFrame() : nextFrame(); 
    } 
} 

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