Fractal Leaf

fractal_leaf.py

import random

def leaf(a):
    prob = random.randint(1,100)
    #print prob
    if prob == 1:
        a[0] = 0.0
        a[1] = 0.16 * a[1]
    elif 1 < prob and prob <= 85:
        a[0] = 0.85 * a[0] + 0.04 * a[1]
        a[1] = -0.04 * a[0] + 0.85 * a[1] + 1.6
    elif 85 < prob and prob <= 92:
        a[0] = 0.2 * a[0] - 0.26 * a[1]
        a[1] = 0.23 * a[0] + 0.22 * a[1] + 1.6
    elif 92 < prob and prob <= 100:
        a[0] = -0.15 * a[0] + 0.28 * a[1]
        a[1] = 0.26 * a[0] + 0.24 * a[1] + 0.44

a = [0.0, 0.0]
for i in range(100000):
    print(a[0], a[1])
    leaf(a)