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beef up math.random

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This commit is contained in:
Chris Wanstrath 2025-12-08 09:05:17 -08:00
parent b49619c110
commit 31603d705a
1 changed files with 4 additions and 1 deletions
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5
src/prelude/math.ts
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@ -16,7 +16,10 @@ export const math = {
if (n < 0) throw new Error(`sqrt: cannot take square root of negative number ${n}`) if (n < 0) throw new Error(`sqrt: cannot take square root of negative number ${n}`)
return Math.sqrt(n) return Math.sqrt(n)
}, },
random: () => Math.random(), random: (min = 0, max = 1) => {
if (min === 0 && max === 1) return Math.random()
return Math.floor(Math.random() * (max - min + 1)) + min
},
clamp: (n: number, min: number, max: number) => { clamp: (n: number, min: number, max: number) => {
if (min > max) throw new Error(`clamp: min (${min}) must be less than or equal to max (${max})`) if (min > max) throw new Error(`clamp: min (${min}) must be less than or equal to max (${max})`)
return Math.min(Math.max(n, min), max) return Math.min(Math.max(n, min), max)