python使用turtle库与random库绘制雪花

本文实例为大家分享了python绘制雪花的具体代码，供大家参考，具体内容如下

代码非常容易理解，画着玩玩还是可以的。直接上代码

# -*- coding: utf-8 -*-
"""
Created on Fri Jan 12 14:35:14 2018

@author: Administrator
"""

from turtle import *
from random import *

def ground():
hideturtle()
speed(100)
for i in range(400):
 pensize(randint(5,10))
 x=randint(-400,350)
 y=randint(-280,-1)
 r=-y/280
 g=-y/280
 b=-y/280
 pencolor(r,g,b)
 penup()
 goto(x,y)
 pendown()
 forward(randint(40,100))

def snow():
hideturtle()
speed(100)
pensize(2)
for i in range(100):
 r=random()
 g=random()
 b=random()
 pencolor(r,g,b)
 penup()
 setx(randint(-350,350))
 sety(randint(1,270))
 pendown()
 dens=randint(8,12)
 snowsize=randint(10,14)
 for j in range(dens):
  forward(snowsize)
  backward(snowsize)
  right(360/dens)

def main():
setup(800, 600, 0, 0)
tracer(False)
bgcolor("black")
snow()
ground()
tracer(True)
mainloop()
main()

运行结果

来源：https://blog.csdn.net/qq_40006058/article/details/79044193