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| local noise = math.noise | |
| local sizeX = 32 | |
| local sizeY = 32 | |
| local sizeZ = 32 | |
| local air = Enum.Material.Air | |
| local grass = Enum.Material.Grass | |
| local sand = Enum.Material.Sand | |
| local mat = {} | |
| local occ = {} | |
| function fBm(x, y, z) | |
| local octaves = 3 | |
| local lacunarity = 2.0 | |
| local gain = 0.5 | |
| local amplitude = 1.0 | |
| local frequency = 0.01 | |
| local sum = 0.0 | |
| for i = 0, octaves do | |
| sum = sum + amplitude * noise(x * frequency, y * frequency, z * frequency) | |
| amplitude = amplitude * gain | |
| frequency = frequency * lacunarity | |
| end | |
| return sum; | |
| end | |
| for x=1, sizeX do | |
| mat[x] = {} | |
| occ[x] = {} | |
| for y=1, sizeY do | |
| mat[x][y] = {} | |
| occ[x][y] = {} | |
| for z=1, sizeZ do | |
| local p = fBm(x, y, z) | |
| if p > 0 then | |
| mat[x][y][z] = p < 0.1 and grass or sand | |
| occ[x][y][z] = p | |
| else | |
| mat[x][y][z] = air | |
| occ[x][y][z] = 0 | |
| end | |
| end | |
| end | |
| end | |
| workspace.Terrain:WriteVoxels(Region3.new(Vector3.new(0, 0, 0), Vector3.new(128, 128, 128)), 4, mat, occ) |
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