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fix significant oversights in noise & random

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a dinosaur
2024-09-05 21:46:49 +10:00
parent 2a4eb2283a
commit 301aa28c4d
9 changed files with 41 additions and 55 deletions
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5
Sources/Voxelotl/Random/RandomCollectionExtensions.swift
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@ -1,9 +1,10 @@
public extension MutableCollection {
mutating func shuffle<T: RandomProvider>(using provider: inout T) {
guard self.count > 1 else {
let count = self.count
guard count > 1 else {
return
}
for (first, remaining) in zip(self.indices, stride(from: 0x100, to: 1, by: -1)) {
for (first, remaining) in zip(self.indices, stride(from: count, to: 1, by: -1)) {
let i = self.index(first, offsetBy: provider.next(in: remaining))
self.swapAt(first, i)
}