get("#348") -- rgb functions -- returns value between 0 and 1 -- img must be cropped already function triangleness(img) local w, h = img.width, img.height local total = 0 for y = 0, h-1 do local sum = 0 for x = 0, w-1 do sum = sum+bright(rgb(img.getInt(x, y))) end sum = sum/w local expected = 1-(y+1)/h total = total+math.abs(sum-expected) end return 1-total/h end
Began life as a copy of #493
test run test run with input download show line numbers
Travelled to 12 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt
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