Symbology

from random import choice

w = 1000
h = 1000
step = 250

def setup():
    size(w, h)
    background(255)
    stroke(0)
    noFill()
    for x in range(step, w, step):
        for y in range(step, h, step):
            ranBezier(x, y, step*.75)
            ranCircle(x, y, step*.75)
            ranCircle(x, y, step*.75)
            if floor(random(5)) == 1:
                sqLines(x, y, step*0.75)
    

def ranBezier(px, py, si):
    nodes = []

    for _ in range(4):
        x = random(px-si/2, px+si/2)
        y = random(py-si/2, py+si/2)
        nodes.append(Vec(x, y))
    p1 = nodes[0]
    p2 = nodes[1]
    p3 = nodes[2]
    p4 = nodes[3]
    bezier(p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y)


def ranCircle(px, py, si):
    chance = floor(random(10))
    dia = floor(random(si/6, si/3))
    lx = random(px-si/4, px+si/4)
    ly = random(py-si/4, py+si/4)
    if chance == 1:
        for r in range(1, dia/2, 1):
            circle(lx, ly, r)
    elif chance == 2:
        for r in range(dia/4, dia/2, 1):
            circle(lx, ly, r)
    else:
        circle(lx, ly, dia/2)
        
def sqLines(px, py, si):
    points = [Vec(px-si/2, py-si/2), Vec(px+si/2, py+si/2), Vec(px+si/2, py-si/2), Vec(px-si/2, py+si/2), Vec(px, py), Vec(px, py-si/2), Vec(px, py+si/2), Vec(px+si/2, py), Vec(px-si/2, py)]
    num = floor(random(2, 4))
    for _ in range(num):
        p1 = choice(points)
        p2 = choice(points)
        if p1.x == p2.x and p1.y == p2.y: circle(p1.x, p1.y, random(si/8, si/4))

        elif floor(random(2)) == 1:
            for m in range(5):
                line(p1.x-m, p1.y, p2.x-m, p2.y)
            
        else: line(p1.x, p1.y, p2.x, p2.y)

        
class Vec(object):
    def __init__(self, ix, iy):
        self.x = ix
        self.y = iy