Commit 7f5cd946 by BellCodeEditor

save project

parent a075876f
Showing with 33 additions and 6 deletions
import turtle import turtle
import random
pen = turtle.Turtle() a = turtle.Turtle()
pen.color('sienna') a.speed(0)
a.color('sienna')
# 画布大小 # 画布大小
w = turtle.Screen() w = turtle.Screen()
w.bgcolor('wheat') # wheat小麦 w.bgcolor('wheat') # wheat小麦
def tree(n):
if n>=0:
a.forward(n)
a.pensize(n/10)
b=random.randint(0,30)
c=random.randint(0,10)
a.right(b)
tree(n-c)
a.left(b*2)
tree(n-c)
a.right(b)
a.penup()
a.backward(n)
a.down()
# 移动到起点 # 移动到起点
pen.left(90) a.left(90)
pen.up() a.penup()
pen.backward(150) # 后退 a.backward(150) # 后退
pen.down() a.down()
a.forward(100)
tree(60)
a.penup()
a.backward(100)
a.pendown()
turtle.done() turtle.done()
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