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python画樱花树
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└── 好例子网_yinghuhashu.py
import turtle
import random
while True:
from turtle import *
from time import sleep
def tree(branchLen,t):
sleep(0.0005)
if branchLen > 3:
if 8 <= branchLen <= 12:
if random.randint(0,2) == 0:
t.color('snow')
else:
t.color('lightcoral')
t.pensize(branchLen / 3)
elif branchLen < 8:
if random.randint(0,1) == 0:
t.color('snow')
else:
t.color('lightcoral')
t.pensize(branchLen / 2)
else:
t.color('sienna')
t.pensize(branchLen / 10)
t.forward(branchLen)
a = 1.5 * random.random()
t.right(20 * a)
b = 1.5 * random.random()
tree(branchLen - 10 * b,t)
t.left(40 * a)
tree(branchLen - 10 * b,t)
t.right(20 * a)
t.up()
t.backward(branchLen)
t.down()
def petal(m,t):
for i in range(m):
a = 200 - 400 * random.random()
b = 10 - 20 * random.random()
t.up()
t.forward(b)
t.left(90)
t.forward(a)
t.down()
t.color('lightcoral')
t.circle(1)
t.up()
t.backward(a)
t.right(90)
t.backward(b)
def main():
t = turtle.Turtle()
w = turtle.Screen()
t.hideturtle()
getscreen().tracer(5,0)
w.screensize(bg='wheat')
t.left(90)
t.up()
t.backward(150)
t.down()
t.color('sienna')
tree(60,t)
petal(200,t)
w.exitonclick()
main()