mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-07-03 10:14:56 +00:00
40 lines
909 B
Lua
40 lines
909 B
Lua
local wea = worldeditadditions
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local White = dofile(wea.modpath.."/lib/noise/engines/white.lua")
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local Red = {}
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Red.__index = Red
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function Red.new(seed)
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local result = {
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seed = seed or math.random(),
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white = White.new(seed)
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}
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setmetatable(result, Red)
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return result
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end
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function Red:noise( x, y, z )
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local values = {
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self.white:noise(x, y, z),
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self.white:noise(x + 1, y, z),
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self.white:noise(x, y + 1, z),
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self.white:noise(x, y, z + 1),
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self.white:noise(x - 1, y, z),
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self.white:noise(x, y - 1, z),
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self.white:noise(x, y, z - 1),
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self.white:noise(x, y - 1, z - 1),
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self.white:noise(x - 1, y, z - 1),
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self.white:noise(x - 1, y - 1, z),
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self.white:noise(x - 1, y - 1, z - 1),
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self.white:noise(x, y + 1, z + 1),
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self.white:noise(x + 1, y, z + 1),
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self.white:noise(x + 1, y + 1, z),
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self.white:noise(x + 1, y + 1, z + 1),
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}
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return wea.average(values)
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end
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return Red
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