Munching squares: Difference between revisions

<lang ruby>require('GDImager')

var img = %sO<GD::ImageImager>.new(256,xsize => 256, 1ysize => 256)

for y,x,y in (^256 ~X ^256) {

var colorrgb = img.colorAllocate([(255 - x - y).abs, (255-x)^y, x^(255-y))]

img.setPixelsetpixel(x => x, y => y, color => rgb)

Fileimg.write(file => 'xor.png').write(img.png, :raw)</lang>