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Minor doc fixes in PatternGenerator

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Yifan Mai 2022-01-04 21:25:26 -08:00
parent 205c438511
commit 8949efcd21
1 changed files with 4 additions and 4 deletions
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8
Tone/event/PatternGenerator.ts
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@ -117,16 +117,16 @@ function* randomOnce<T>(numValues: number): IterableIterator<number> {
} }
/** /**
* Randomly choose to walk up or down 1 index in the values array * Randomly choose to walk up or down 1 index
*/ */
function* randomWalk<T>(numValues: number): IterableIterator<number> { function* randomWalk<T>(numValues: number): IterableIterator<number> {
// randomly choose a starting index in the values array // randomly choose a starting index
let index = Math.floor(Math.random() * numValues); let index = Math.floor(Math.random() * numValues);
while (true) { while (true) {
if (index === 0) { if (index === 0) {
index++; // at bottom of array, so force upward step index++; // at bottom, so force upward step
} else if (index === numValues - 1) { } else if (index === numValues - 1) {
index--; // at top of array, so force downward step index--; // at top, so force downward step
} else if (Math.random() < 0.5) { // else choose random downward or upward step } else if (Math.random() < 0.5) { // else choose random downward or upward step
index--; index--;
} else { } else {