Difference between revisions of "LlListRandomize"
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{{LSL_Function | {{LSL_Function | ||
|sort=ListRandomize | |sort=ListRandomize|func=llListRandomize | ||
|func=llListRandomize | |func_id=197|func_sleep=0.0|func_energy=10.0 | ||
|func_id=197 | |||
|func_sleep=0.0 | |||
|func_energy=10.0 | |||
|p1_type=list | |p1_type=list | ||
|p1_name=src | |p1_name=src | ||
| Line 12: | Line 9: | ||
|p2_desc=How many list entries to keep next to each other during the randomization. | |p2_desc=How many list entries to keep next to each other during the randomization. | ||
|return_type=list | |return_type=list | ||
|return_text=which is a randomized permutation of src. | |return_text=which is a randomized permutation of '''src'''. | ||
|spec= | |spec= | ||
When you want to randomize the position of every list element, specify a stride of 1. | 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. | 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. | Conceptually, the algorithm selects src.length()/stenride buckets, and th for each bucket swaps it the contents with another bucket. | ||
|caveats= | |caveats= | ||
|examples= | |examples= | ||
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llSay(0, llList2CSV(bar)); | llSay(0, llList2CSV(bar)); | ||
</pre> | </pre> | ||
| | |constants | ||
| | |helpers | ||
|also_header | |||
|also_functions | |||
|also_tests | |||
|also_articles | |||
|also_footer | |||
|notes | |notes | ||
|mode | |||
|deprecated | |||
|permission | |||
|negative_index | |||
|cat1=List | |||
|cat2 | |||
|cat3 | |||
|cat4 | |||
|location=linden\indra\lscript\lscript_library\lscript_alloc.cpp | |||
}} | }} | ||
Revision as of 08:38, 13 February 2007
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
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()/stenride buckets, and th for each bucket swaps it the contents with another bucket.
Examples
list straws = ["long", "long", "long", "short"]; list shuffled = llListRandomize(straws, 1); llSay(0, llList2CSV(bar));
Deep Notes
Source
linden\indra\lscript\lscript_library\lscript_alloc.cpp
Signature |
|---|
function list llListRandomize( list src, integer stride ); |