Difference between revisions of "LlListRandomize"

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|caveats=
|caveats=
|examples=
|examples=
<pre>
<lsl>
list dice = ["2", "4", "1", "6", "3", "5"];
list dice = ["2", "4", "1", "6", "3", "5"];
list shuffled = llListRandomize(dice, 1);
list shuffled = llListRandomize(dice, 1);
llOwnerSay(llList2CSV(shuffled));
llOwnerSay(llList2CSV(shuffled));
</pre>
</lsl>
|constants
|constants
|helpers
|helpers

Revision as of 12:53, 30 March 2008

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> 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 );