python绘制雪花 python使用turtle库与random库绘制雪花
蠡1204 人气:0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
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