绘制谢尔平斯基三角形

绘制谢尔平斯基三角形

"""
设计：Python程序设计
作者：初学者
日期：2022年 10月 05日
"""
from turtle import *def drawTriangle(points, color, myTurtle):myTurtle.fillcolor(color)myTurtle.up()(points[0])myTurtle.down()myTurtle.begin_fill()(points[1])(points[2])(points[0])d_fill()def det_mid(p1, p2):return (p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2def sierpinski(points, degree, myTurtle):colormap = ["blue", "red", "green", "white", "yellow", "violet", "orange"]drawTriangle(points, colormap[degree], myTurtle)if degree > 0:sierpinski([points[0],det_mid(points[0], points[1]),det_mid(points[0], points[2])],degree - 1, myTurtle)sierpinski([points[1],det_mid(points[0], points[1]),det_mid(points[1], points[2])],degree - 1, myTurtle)sierpinski([points[2],det_mid(points[2], points[1]),det_mid(points[0], points[2])],degree - 1, myTurtle)myTurtle = Turtle()myWin = screen()
my_points = [(-300, -150), (0, 300), (300, -150)]
sierpinski(my_points, 5, myTurtle)
itonclick()