Python的turtle库绘图-圣诞树

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(o゜▽゜)o☆[BINGO!]

# *===================================*
# -*- coding: utf-8 -*-
# * Time : 2020-02-24 19:10
# * Author : zhangsf
# *===================================*
from turtle import *
import random
import time
 
n = 100.0
 
speed("fastest")
screensize(bg='seashell')
left(90)
forward(3 * n)
color("orange", "yellow")
begin_fill()
left(126)
 
for i in range(5):
    forward(n / 5)
    right(144)
    forward(n / 5)
    left(72)
end_fill()
right(126)
 
color("dark green")
backward(n * 4.8)
 
 
def tree(d, s):
    if d <= 0: return
    forward(s)
    tree(d - 1, s * .8)
    right(120)
    tree(d - 3, s * .5)
    right(120)
    tree(d - 3, s * .5)
    right(120)
    backward(s)
 
 
tree(15, n)
backward(n / 2)
 
for i in range(200):
    a = 200 - 400 * random.random()
    b = 10 - 20 * random.random()
    up()
    forward(b)
    left(90)
    forward(a)
    down()
    if random.randint(0, 1) == 0:
        color('tomato')
    else:
        color('wheat')
    circle(2)
    up()
    backward(a)
    right(90)
    backward(b)
 
time.sleep(60)