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make the return value of the calcImageIndex function more robust

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Spedon
2023-03-14 11:16:11 +08:00
parent 8aa97b2c06
commit 72760e6388
1 changed files with 1 additions and 1 deletions
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assets/ts/utils.ts
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@@ -93,6 +93,6 @@ export function calcImageIndex(index: number, imgCounts: number): number {
if (index >= 0) {
return index % imgCounts
} else {
return imgCounts + (index % imgCounts)
return (imgCounts + (index % imgCounts)) % imgCounts
}
}