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FF: Select random index rather than shuffling and indexing -1

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This commit is contained in:
Todd 2021-08-19 16:22:39 +01:00
parent 146cf55f23
commit 8833043f02
1 changed files with 6 additions and 2 deletions
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8
src/util/Util.js
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@ -370,8 +370,12 @@ export function shuffle(array, randomNumberGenerator = undefined)
*/ */
export function randchoice(array, randomNumberGenerator = undefined) export function randchoice(array, randomNumberGenerator = undefined)
{ {
let shuffledArray = shuffle(array, randomNumberGenerator=randomNumberGenerator) if (randomNumberGenerator === undefined)
return shuffledArray.slice((- 1))[0]; {
randomNumberGenerator = Math.random;
}
const j = Math.floor(randomNumberGenerator() * array.length);
return array[j]
} }
/** /**