def setup
  @img = loadImage("fruit.png")

  @img.loadPixels
  halfImage = 4 * @img.width * @img.height / 2
  for i in (0...halfImage) do
    @img.pixels[i + halfImage] = @img.pixels[i]
  end
  @img.updatePixels
end

def draw
  image(@img, 0, 0, width, height)
end