Mirrorlandia_minetest/Minetest-WorldEditAdditions
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math.pow → ^

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Starbeamrainbowlabs 2022-09-18 16:30:27 +01:00
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commit 4a6cb2551c
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worldeditadditions/lib/conv/kernel_gaussian.lua
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@ -35,7 +35,7 @@ function worldeditadditions.conv.kernel_gaussian(dimension, sigma)
-- http://en.wikipedia.org/w/index.php?title=Gaussian_blur&oldid=608793634#Mechanics
local gaussian = (1 / math.sqrt(
math.pi * two_sigma_square
)) * math.exp((-1) * (math.pow(distance, 2) / two_sigma_square));
)) * math.exp((-1) * ((distance ^ 2) / two_sigma_square));
sum = sum + gaussian
kernel[i*dimension + j] = gaussian