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Charine -FB buggoop
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Looping through an array more that once

Jun 26, 2013 6:46 PM

I have simple array of movie clips that loop through once according to the code below:


private var  lettersL1:Array = [a,a,f,f,f,g,h,i,i,n,n,n,o,o,o,o,s,s,t,t,t];



          for (var i: Number  =0; i < lettersL1.length; i++)



                    trace (lettersL1[i]);                  



This works, but for my game to work I need the loop to run three times.


Of cause adding    i< lettersL1.length;    doesn't work. And I really would prefer not to hard code it with adding a number instead of .length.


What is the correct notation?




  • kglad
    72,198 posts
    Jul 21, 2002
    Currently Being Moderated
    Jun 26, 2013 8:39 PM   in reply to Charine -FB buggoop





    private var  lettersL1:Array = [a,a,f,f,f,g,h,i,i,n,n,n,o,o,o,o,s,s,t,t,t];



              for (var i:int  =0; i < lettersL1.length*3; i++)



                        trace (lettersL1[i%lettersL1.length]);                  



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    Jun 27, 2013 9:36 AM   in reply to Charine -FB buggoop

    You might have missed the mod operator: ( lettersL1[ i % lettersL1.length] )

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    Jun 27, 2013 9:54 AM   in reply to Charine -FB buggoop

    Hi Charine,


    you have missed the mod operator in the actual calls.


    lettersL1[i].x = 399;

    lettersL1[i].y= 30;



    You can use the following:


    for (var i: Number  =0; i < lettersL1.length*3; i++)


              var index = (i%lettersL1.length);

              trace (lettersL1[index]);


              lettersL1[index].x = 399;

              lettersL1[index].y= 30;




    Since there are only lettersL1.length number of elements in the array, the moment the value of i goes beyond the limit you'll not be able to retrieve any elements at that index from the array. Having an updated index ( i % lettersL1.length) fixes this issue.




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