Leaked perlin noise script from BLOX survival

-- Globals
local ReplicatedStorage = game:GetService("ReplicatedStorage")

-- Libraries
local Class = require(ReplicatedStorage.Libraries.Class)
local Arrays = require(ReplicatedStorage.Libraries.Arrays)

-- Modules

--[[
    NoiseGeneratorPerlin
    Type: Class module

    Provides a simple interface for seeded perlin noise.
--]]

local NoiseGeneratorPerlin = Class()

--[[
    Called to initialise a new module.
--]]
function NoiseGeneratorPerlin:constructor(random)
    self.xOffset = random:NextNumber(-256, 256)
    self.yOffset = random:NextNumber(-256, 256)
    self.zOffset = random:NextNumber(-256, 256)
end


--[[
    Returns a sample of noise at the given location in 3D space.
--]]
function NoiseGeneratorPerlin:sample(x, y, z)
    return math.noise(x + self.xOffset, y + self.yOffset, z + self.zOffset)
end

--[[
    Returns a sample of noise at the given location in 2D space.
--]]
function NoiseGeneratorPerlin:sample2D(x, z)
    return NoiseGeneratorPerlin:sample(x, 0, z)
end


return NoiseGeneratorPerlin