爱情树代码python_Python表白爱情树

from turtle import *

from random import *

from math import *

import turtle

import time

def tree(n, l):

pd() # 下笔

# 阴影效果

t &＃61; cos(radians(heading() &＃43; 45)) / 8 &＃43; 0.25

pencolor(t, t, t)

pensize(n / 3)

forward(l) # 画树枝

if n > 0:

b &＃61; random() * 15 &＃43; 10 # 右分支偏转角度

c &＃61; random() * 15 &＃43; 10 # 左分支偏转角度

d &＃61; l * (random() * 0.25 &＃43; 0.7) # 下一个分支的长度

# 右转一定角度&＃xff0c;画右分支

right(b)

tree(n - 1, d)

# 左转一定角度&＃xff0c;画左分支

left(b &＃43; c)

tree(n - 1, d)

# 转回来

right(c)

else:

# 画叶子

right(90)

n &＃61; cos(radians(heading() - 45)) / 4 &＃43; 0.5

pencolor(n, n*0.8, n*0.8)

circle(3)

left(90)

# 添加0.3倍的飘落叶子

if(random() > 0.7):

pu()

# 飘落

t &＃61; heading()

an &＃61; -40 &＃43; random()*40

setheading(an)

dis &＃61; int(800*random()*0.5 &＃43; 400*random()*0.3 &＃43; 200*random()*0.2)

forward(dis)

setheading(t)

# 画叶子

pd()

right(90)

n &＃61; cos(radians(heading() - 45)) / 4 &＃43; 0.5

pencolor(n*0.5&＃43;0.5, 0.4&＃43;n*0.4, 0.4&＃43;n*0.4)

circle(2)

left(90)

pu()

#返回

t &＃61; heading()

setheading(an)

backward(dis)

setheading(t)

pu()

backward(l)# 退回

bgcolor(0.5, 0.5, 0.5) # 背景色

ht() # 隐藏turtle

speed(0) # 速度&＃xff0c;1-10渐进&＃xff0c;0最快

tracer(0, 0)

pu() # 抬笔

backward(100)

left(90) # 左转90度

pu() # 抬笔

backward(300) # 后退300

tree(12, 100) # 递归7层

def move_pen_position(x, y):

turtle.hideturtle() # 隐藏画笔(先)

turtle.up() # 提笔

turtle.goto(x, y) # 移动画笔到指定起始坐标(窗口中心为0,0)

turtle.down() # 下笔

turtle.showturtle() # 显示画笔

signature &＃61; &＃39;我爱你\n就像风走了八百里不问归期&＃39;

name &＃61; &＃39;❤&＃39;

turtle.screensize(800, 600)

turtle.color(&＃39;red&＃39;, &＃39;pink&＃39;)

time.sleep(2)

move_pen_position(220, -180)

turtle.hideturtle() # 隐藏画笔

turtle.write(signature, font&＃61;(&＃39;Arial&＃39;, 20), align&＃61;"center")

move_pen_position(220, -220)

turtle.hideturtle() # 隐藏画笔

turtle.color(&＃39;black&＃39;, &＃39;pink&＃39;)

turtle.write(name, font&＃61;(&＃39;Arial&＃39;, 20), align&＃61;"center")

turtle.done()

done()