파이썬] 재귀함수 이용한 그림그리기(저장용)

재귀호출을 이용해서 컴퓨터 그래픽 그리기

import turtle as t

def spiral(sp_len):
    if sp_len <= 5:
        return
    t.forward(sp_len)
    t.right(90)
    spiral(sp_len - 5)

t.speed(0)
spiral(200)
t.hideturtle()
t.done()

import turtle as t

def tri(tri_len):
    if tri_len <= 10:
        for i in range(0, 3):
            t.forward(tri_len)
            t.left(120)
        return
    new_len = tri_len/2
    tri(new_len)
    t.forward(new_len)
    tri(new_len)
    t.backward(new_len)
    t.left(60)
    t.forward(new_len)
    t.right(60)
    tri(new_len)
    t.left(60)
    t.backward(new_len)
    t.right(60)

t.speed(0)
tri(160)
t.hideturtle()
t.done()

import turtle as t

def tree(br_len):
    if br_len <= 5:
        return
    new_len = br_len * 0.7
    t.forward(br_len)
    t.right(20)
    tree(new_len)
    t.left(40)
    tree(new_len)
    t.right(20)
    t.backward(br_len)
t.speed(0)
t.left(90)
tree(70)
t.hideturtle()
t.done()

import turtle as t

def snow_line(snow_len):
    if snow_len <= 10:
        t.forward(snow_len)
        return
    new_len = snow_len /3
    snow_line(new_len)
    t.left(60)
    snow_line(new_len)
    t.right(120)
    snow_line(new_len)
    t.left(60)
    snow_line(new_len)

t.speed(0)
snow_line(150)
t.right(120)
snow_line(150)
t.right(120)
snow_line(150)
t.hideturtle()
t.done()