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crawfishmedia's avatar
crawfishmedia
Binge Watcher
10 years ago

Randomize playlist

Hi guys I am trying to randomize the entries in a photo playlist array. It seems to work fine except for some reason the last 3-4 entries do not randomize to the new array - they're chopped off. I a...
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crawfishmedia's avatar
crawfishmedia
Binge Watcher
10 years ago
"RokuMarkn" wrote:
foreach won't work correctly if you delete entries in the array while traversing it. You may want to look at the Fisher-Yates shuffling algorithm, which is a simple way to shuffle an array in-place.


function Shuffle(array as Object) as Void
    for i% = array.count()-1 to 1 step -1
        j% = Rnd(i% + 1) - 1
        t = array[i%] : array[i%] = array[j%] : array[j%] = t
    end for
end function


--Mark


Thanks a lot for this idea! From 14 to 4 lines of code, nice!

AC