zeptree.py

# Translated from PICO-8 Lua code to Python/Pyco8
# Original: https://twitter.com/lexaloffle/status/1052826402322403328
"""
function b(u,v,a,l)
if(l<3)circfill(u,v,1,13+q%3)return
local x,y=u+cos(a)*l,v+sin(a)*l
line(u,v,x,y,13+q%3)q+=1
for i=0,1,0.34 do b(x,y,a+i+0.25+t()/16,l*0.6)end end
::🐱::q=0 cls()for i=0,1,.34 do
b(64,64,i+t()/8,30,7)end
flip()goto 🐱
"""

from pyco8 import pyco8

pico = pyco8()


def b(u, v, a, l):
    global q
    if l < 3:
        pico.circfill(u, v, 1, 13 + q % 3)
        return

    x, y = u + pico.cos(a) * l, v + pico.sin(a) * l

    pico.line(u, v, x, y, 13 + q % 3)
    q += 1

    for i in pico.drange(0, 1, 0.34):
        b(x, y, a+i+0.25+pico.t()/16., l*0.6)


while True:
    q = 0
    pico.cls()
    for i in pico.drange(0, 1, .34):
        b(64, 64, i + pico.t() / 8, 30)

    pico.flip()