科赫曲线和科赫雪花的绘制Python

2023-06-02,,

#KochDrawV1.py
import turtle
def koch(size,n):
if n == 0:
turtle.fd(size)
else:
for angle in [0,60,-120,60]:
turtle.left(angle)
koch(size/3,n-1) def main():
turtle.setup(800,400)
turtle.penup()
turtle.goto(-300,-50)
turtle.pendown()
turtle.pensize(2)
koch(600,3) #3阶科赫曲线
turtle.hideturtle()
main()
#KochDrawV2.py
import turtle
def koch(size,n):
if n == 0:
turtle.fd(size)
else:
for angle in [0,60,-120,60]:
turtle.left(angle)
koch(size/3,n-1) def main():
turtle.setup(600,600)
turtle.penup()
turtle.goto(-200,100)
turtle.pendown()
turtle.pensize(2)
level = 3 #3阶科赫雪花,阶数
koch(400,level)
turtle.right(120)
koch(400,level)
turtle.right(120)
koch(400,level)
turtle.right(120)
turtle.hideturtle()
turtle.done()
main()

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