PointillismΒΆ
By Dan Shiffman. Mouse horizontal location controls size of dots. Creates a simple pointillist effect using ellipses colored according to pixels in an image.
from p5 import *
img = None
small_point = 4
large_point = 40
def setup():
global img
size(720, 400)
no_stroke()
background(255)
img = load_image("moonwalk.jpg")
def draw():
global img, large_point, small_point
pointillize = remap(mouse_x, [0, width], [small_point, large_point])
x = floor(random_uniform(img.width))
y = floor(random_uniform(img.height))
pix = img._get_pixel((x, y))
fill(pix, 128)
ellipse((x, y), pointillize, pointillize)
if __name__ == '__main__':
run()