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https://github.com/sbrl/Minetest-WorldEditAdditions.git
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14 lines
598 B
Lua
14 lines
598 B
Lua
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--- Returns a smooth gaussian brush.
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-- @param size Vector3 The target size of the brush. Note that the actual size fo the brush will be different, as the gaussian function has some limitations.
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-- @param sigma=2 number The 'smoothness' of the brush. Higher values are more smooth.
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return function(size, sigma)
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local size = math.min(size.x, size.y)
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if size % 2 == 0 then size = size - 1 end
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if size < 1 then
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return false, "Error: Invalid brush size."
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end
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local success, gaussian = worldeditadditions.conv.kernel_gaussian(size, sigma)
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return success, gaussian, { x = size, y = size }
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end
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