IM 415 Python Art with NodeBox

mrmbackground.py

# Learning Python Feb 2017
#
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# | \  / |_ __  | \  / |   
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# http://nodebox.net
# IM415 Portfolio 
# -----------------------------------

def curves(n=40):
    """ A random path consisting of n curves.
    """
    autoclosepath(False)
    beginpath(random(WIDTH), random(HEIGHT))
    for i in range(n):
        h1x = random(1000)
        h1y = random(1000)
        h2x = random(1000)
        h2y = random(1000)
        x = random(0, WIDTH)
        y = random(0, HEIGHT)
        curveto(h1x, h1y, h2x, h2y, x, y)
    return endpath(draw=False)
    
def grow(p, n=80):
    """ Draw n expanding variations of a path.
    """
    for i in range(n):
        points = []
        for point in p:
            point.y *= 1.01
            point.x /= 1.01
            point.ctrl1.x *= 1.01
            point.ctrl2.y *= 1.001
            points.append(point)
 
        drawpath(points)
        p = points
 
size(1050, 200)

# https://en.wikipedia.org/wiki/Bronze_%28color%29
# Mr. M. got color here, had to /100 
colormode(CMYK)
stroke(.25, .59, .86, 0, 0.2)
strokewidth(0.4)
nofill()
 
grow(curves())