How can not repeat a random number

[kofa]

hello,

How can not repeat a random number




button code:

on (release) {
var n:int=Math.randomInt(20) ;
kofa = n ;    
MC.loadMovie("pic" add n add ".jpg");
// here i need code 
//to disable repeat numbers
// it means if n = 2 
// the number 2 dont show again
} 

[kofa]

hello
any help , please

[realMakc]

you put the numbers into array [1,22,3,6,8,2,...] and then pop() them one by one, for example.

another way would be something like:

var had = {};
function uniqueRandom(n) {
 var r; do {
  r = Math.randomInt(n);
 } while (had[r]);
 had[r] = true;
 return r;
} 

[kofa]

thanks realMakc
if n=Math.randomInt(800)
how can i generate the array and generate array items randomly
can you write the code, please

[realMakc]

can you write the code, please

nope. I know, you said 'please', but I still do not feel like. maybe later.

[kofa]

my final file