Guest User

Untitled

a guest
Apr 8th, 2016
235
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. function init()
  2.   setName("Differ")
  3.   setDesc("A poor man's edge detection")
  4.   setSize(100, 24+64+16+16+16+4)
  5.   addOutput(24+32)
  6.   addInput("Texture", 24+64+8)
  7.   addParameter("Delta", "Detection sensitivity", 24+64+16+8, 20, 1, 200)
  8.   addParameter("N'hood", "0 - Moore (normal), 1 - Moore (skinny), 2 - Von Neumann, 3 - Horizontal Only, 4 - Vertical Only", 24+64+16+16+8, 0, 0, 4)
  9. end
  10.  
  11. function apply()
  12.   size = getTileSize()
  13.   temp = {}
  14.   delta = getValue(1, 0, 0, 400)
  15.   neigh = getValue(2, 0, 0, 1)
  16.  
  17.   for i = 0, size*size - 1 do
  18.     temp[i] = 0
  19.     x = i%size
  20.     y = math.floor(i/size)
  21.     v = getValue(0, x, y, 1)
  22.     if neigh == 0 then
  23.       dif = math.max(math.abs(v - getValue(0, x + 1, y, 1)), math.abs(v - getValue(0, x + 1, y + 1, 1)), math.abs(v - getValue(0, x, y + 1, 1)), math.abs(v - getValue(0, x + 1, y - 1, 1)))
  24.     elseif neigh == 1 then
  25.       dif = math.max(math.abs(v - getValue(0, x + 1, y, 1)), math.abs(v - getValue(0, x + 1, y + 1, 1)), math.abs(v - getValue(0, x, y + 1, 1)))
  26.     elseif neigh == 2 then
  27.       dif = math.max(math.abs(v - getValue(0, x + 1, y, 1)), math.abs(v - getValue(0, x, y + 1, 1)))
  28.     elseif neigh == 3 then
  29.       dif = math.abs(v - getValue(0, x + 1, y, 1))
  30.     elseif neigh == 4 then
  31.       dif = math.abs(v - getValue(0, x, y + 1, 1))
  32.     end
  33.     if dif >= delta then temp[i] = 1 end
  34.   end
  35.  
  36.   for i = 0, size*size - 1 do
  37.     setPixel(0, i%size, math.floor(i/size), temp[i], temp[i], temp[i])
  38.   end
  39. end
RAW Paste Data

Adblocker detected! Please consider disabling it...

We've detected AdBlock Plus or some other adblocking software preventing Pastebin.com from fully loading.

We don't have any obnoxious sound, or popup ads, we actively block these annoying types of ads!

Please add Pastebin.com to your ad blocker whitelist or disable your adblocking software.

×