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add: character

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Vick Scarlet
2026-08-16 20:06:16 +08:00
committed by 神戸小鳥
parent 46a8528864
commit afb4276dd1
18 changed files with 194 additions and 79 deletions
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packages/vitex/index.ts
+2 -2
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@@ -1,5 +1,5 @@
export type RNG = (max?: number, min?: number) => number
export function random(max: number, min: number = 0, rng?: RNG): number {
export function random(max: number = 1, min: number = 0, rng?: RNG): number {
if (rng) return rng(max, min)
return Math.floor(Math.random() * (max - min + 1)) + min
}
@@ -7,7 +7,7 @@ export function pick<T>(items: T[], rng?: RNG) {
if (items.length === 0) return null
return items[random(items.length - 1, 0, rng)] ?? null
}
export type WeightItem<T> = [T, number]
export type WeightItem<T> = readonly [T, number]
export function pickWeight<T>(items: WeightItem<T>[], rng?: RNG) {
if (items.length === 0) return null
const totalWeight = items.reduce((sum, [, weight]) => sum + weight, 0)