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switch permutation type to ubyte

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a dinosaur
2024-09-09 04:11:26 +10:00
parent 493790bd64
commit b6085c8f1c
4 changed files with 8 additions and 8 deletions
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6
Sources/Voxelotl/Noise/SimplexNoise.swift
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@ -1,16 +1,16 @@
import Foundation
public struct SimplexNoise<Scalar: BinaryFloatingPoint & SIMDScalar>: CoherentNoise2D, CoherentNoise3D, CoherentNoise4D, CoherentNoiseRandomInit, CoherentNoiseTableInit {
private let p: [Int16], pMod12: [Int16]
private let p: [UInt8], pMod12: [UInt8]
public init(permutation: [Int16]) {
public init(permutation: [UInt8]) {
assert(permutation.count == 0x100)
self.p = permutation
self.pMod12 = self.p.map { $0 % 12 }
}
public init<Random: RandomProvider>(random: inout Random) {
self.p = (0..<0x100).map { Int16($0) }.shuffled(using: &random)
self.p = (0..<0x100).map { UInt8($0) }.shuffled(using: &random)
self.pMod12 = self.p.map { $0 % 12 }
}