llListRandomize

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/LSL

ListRandomize

llListRandomize

Summary

Function: list llListRandomize( list src, integer stride );

0.0	Forced Delay
10.0	Energy

Returns a list which is a randomized permutation of src.

• list	src	–	A list you want to randomize.
• integer	stride	–	How many list entries to keep next to each other during the randomization.

Specification

When you want to randomize the position of every list element, specify a stride of 1.

If the stride is not a factor of the list length, the src list is returned. In other words, src.length() % stride must be 0.

Conceptually, the algorithm selects src.length()/stride buckets, and then for each bucket swaps it the contents with another bucket.

Examples

<lsl> default {

   touch_start(integer num_detected) {
       list dice = ["2", "4", "1", "6", "3", "5"];
       list shuffled = llListRandomize(dice, 1);
       llOwnerSay(llList2CSV(shuffled));
   }

}

</lsl>

See Also

Functions

•	llListSort
•	llFrand

Deep Notes

Source

lsa_randomize(): 'linden\indra\lscript\lscript_library\lscript_alloc.cpp'

Signature
function list llListRandomize( list src, integer stride );