RosettaCodeData/Task/Image-noise/Processing-Python-mode/image-noise.processing-py

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black = color(0)
white = color(255)
def setup():
size(320, 240)
# frameRate(30) # 60 by default
def draw():
loadPixels()
for i in range(len(pixels)):
if random(1) < 0.5:
pixels[i] = black
else:
pixels[i] = white
updatePixels()
fill(0, 128)
rect(0, 0, 60, 20)
fill(255)
text(frameRate, 5, 15)