Commit a0f2bfa6 by BellCodeEditor

auto save

parent ac0b9721
Showing with 18 additions and 8 deletions
import turtle import turtle
import random
pen = turtle.Turtle() pen = turtle.Turtle()
pen.color('sienna') pen.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
color=["white",'lightcoral']
# 移动到起点 # 移动到起点
pen.left(90) pen.left(90)
...@@ -12,16 +14,24 @@ pen.up() ...@@ -12,16 +14,24 @@ pen.up()
pen.backward(150) # 后退 pen.backward(150) # 后退
pen.down() pen.down()
def tree(n): def tree(n):
if n >= 50: if n >= 0:
pen.pensize(n/10)
if n <= 9:
c = random.randint(0,1)
pen.pencolor(color[c])
pen.pensize(n/3)
else:
pen.pencolor('sienna')
pen.forward(n) pen.forward(n)
pen.right(30) a = random.randint(0,30)
tree(n-10) l = random.randint(1,15)
pen.left(60) pen.right(a)
tree(n-10) tree(n-l)
pen.left(2*a)
tree(n-l)
pen.penup() pen.penup()
pen.right(30) pen.right(a)
pen.backward(n) pen.backward(n)
pen.pendown() pen.pendown()
tree(50)
tree(100)
turtle.done() turtle.done()
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or sign in to comment