【发布时间】:2017-08-02 22:24:54
【问题描述】:
我正在尝试使用python的turtle函数递归地绘制一个正方形,并在正方形内递归地在其中再绘制四个,在这四个内部,再在其中四个。 我的代码通过右上角的方块,但在返回代码时出错。在这里:
import turtle
turtle.speed(0)
def drawSquare(xCenter, yCenter, edgeLength, depthLeft):
xCenter = xCenter
yCenter = yCenter
edgeLength = edgeLength
depthLeft = depthLeft
if depthLeft == 0:
return
else:
turtle.penup()
turtle.goto((xCenter-.5*edgeLength),(yCenter-.5*edgeLength))
turtle.pendown()
for i in range(4):
turtle.forward(edgeLength)
turtle.left(90)
depthLeft = depthLeft - 1
edgeLength = edgeLength/4
drawSquare(xCenter+edgeLength,yCenter+edgeLength,edgeLength, depthLeft)
drawSquare(xCenter-edgeLength,yCenter+edgeLength,edgeLength, depthLeft)
drawSquare(xCenter+edgeLength,yCenter-edgeLength,edgeLength, depthLeft)
drawSquare(xCenter-edgeLength,yCenter-edgeLength,edgeLength, depthLeft)
turtle.exitonclick()
drawSquare(0,0,500,2)
【问题讨论】:
-
“有错误”是什么意思?你能说得更具体点吗?
-
您好,这是一个与turtle.exitonclick() 放置有关的错误,不过我已经解决了!谢谢。
标签: python-3.x recursion turtle-graphics