很多用Python(大可能是turtle库)绘制的树图，感受很漂亮，我整理了一下，挑了一些我以为不错的代码分享给你们(这些我都测试过，确实能够生成喔~)

one 樱花树html

动态生成樱花

效果图(这个是动态的)：

​shell

实现代码app

import turtle as T

import random

import time

# 画樱花的躯干(60,t)

def Tree(branch, t):

time.sleep(0.0005)

if branch > 3:

if 8 <= branch <= 12:

if random.randint(0, 2) == 0:

t.color('snow') # 白

else:

t.color('lightcoral') # 淡珊瑚色

t.pensize(branch / 3)

elif branch < 8:

if random.randint(0, 1) == 0:

t.color('snow')

else:

t.color('lightcoral') # 淡珊瑚色

t.pensize(branch / 2)

else:

t.color('sienna') # 赭(zhě)色

t.pensize(branch / 10) # 6

t.forward(branch)

a = 1.5 * random.random()

t.right(20 * a)

b = 1.5 * random.random()

Tree(branch - 10 * b, t)

t.left(40 * a)

Tree(branch - 10 * b, t)

t.right(20 * a)

t.up()

t.backward(branch)

t.down()

# 掉落的花瓣

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') # 淡珊瑚色

t.circle(1)

t.up()

t.backward(a)

t.right(90)

t.backward(b)

# 绘图区域

t = T.Turtle()

# 画布大小

w = T.Screen()

t.hideturtle() # 隐藏画笔

t.getscreen().tracer(5, 0)

w.screensize(bg='wheat') # wheat小麦

t.left(90)

t.up()

t.backward(150)

t.down()

t.color('sienna')

# 画樱花的躯干

Tree(60, t)

# 掉落的花瓣

Petal(200, t)

w.exitonclick()

飘落效果

效果图：

​代码：dom

from turtle import *

from random import *

from math import *

def tree(n,l):

pd()#下笔

#阴影效果

t = cos(radians(heading()+45))/8+0.25

pencolor(t,t,t)

pensize(n/3)

forward(l)#画树枝

if n>0:

b = random()*15+10 #右分支偏转角度

c = random()*15+10 #左分支偏转角度

d = l*(random()*0.25+0.7) #下一个分支的长度

#右转必定角度,画右分支

right(b)

tree(n-1,d)

#左转必定角度，画左分支

left(b+c)

tree(n-1,d)

#转回来

right(c)

else:

#画叶子

right(90)

n=cos(radians(heading()-45))/4+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 = heading()

an = -40 +random()*40

setheading(an)

dis = int(800*random()*0.5 + 400*random()*0.3 + 200*random()*0.2)

forward(dis)

setheading(t)

#画叶子

pd()

right(90)

n = cos(radians(heading()-45))/4+0.5

pencolor(n*0.5+0.5,0.4+n*0.4,0.4+n*0.4)

circle(2)

left(90)

pu()

#返回

t=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 1-10渐进，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

done()

暗色效果

效果：

​

代码ide

from turtle import *

from random import *

from math import *

def tree(n, l):

pd()

t = cos(radians(heading() + 45)) / 8 + 0.25

pencolor(t, t, t)

pensize(n / 4)

forward(l)

if n > 0:

b = random() * 15 + 10

c = random() * 15 + 10

d = l * (random() * 0.35 + 0.6)

right(b)

tree(n - 1, d)

left(b + c)

tree(n - 1, d)

right(c)

else:

right(90)

n = cos(radians(heading() - 45)) / 4 + 0.5

pencolor(n, n, n)

circle(2)

left(90)

pu()

backward(l)

bgcolor(0.5, 0.5, 0.5)

ht()

speed(0)

tracer(0, 0)

left(90)

pu()

backward(300)

tree(13, 100)

done()

two 玫瑰花

效果(有绘制过程)

​代码测试

from turtle import *

import time

setup(1000,800,0,0)

speed(0)

penup()

seth(90)

fd(340)

seth(0)

pendown()

speed(5)

begin_fill()

fillcolor('red')

circle(50,30)

for i in range(10):

fd(1)

left(10)

circle(40,40)

for i in range(6):

fd(1)

left(3)

circle(80,40)

for i in range(20):

fd(0.5)

left(5)

circle(80,45)

for i in range(10):

fd(2)

left(1)

circle(80,25)

for i in range(20):

fd(1)

left(4)

circle(50,50)

time.sleep(0.1)

circle(120,55)

speed(0)

seth(-90)

fd(70)

right(150)

fd(20)

left(140)

circle(140,90)

left(30)

circle(160,100)

left(130)

fd(25)

penup()

right(150)

circle(40,80)

pendown()

left(115)

fd(60)

penup()

left(180)

fd(60)

pendown()

end_fill()

right(120)

circle(-50,50)

circle(-20,90)

speed(1)

fd(75)

speed(0)

circle(90,110)

penup()

left(162)

fd(185)

left(170)

pendown()

circle(200,10)

circle(100,40)

circle(-52,115)

left(20)

circle(100,20)

circle(300,20)

speed(1)

fd(250)

penup()

speed(0)

left(180)

fd(250)

circle(-300,7)

right(80)

circle(200,5)

pendown()

left(60)

begin_fill()

fillcolor('green')

circle(-80,100)

right(90)

fd(10)

left(20)

circle(-63,127)

end_fill()

penup()

left(50)

fd(20)

left(180)

pendown()

circle(200,25)

penup()

right(150)

fd(180)

right(40)

pendown()

begin_fill()

fillcolor('green')

circle(-100,80)

right(150)

fd(10)

left(60)

circle(-80,98)

end_fill()

penup()

left(60)

fd(13)

left(180)

pendown()

speed(1)

circle(-200,23)

exitonclick()

three 圣诞树url

圣诞树 (动态生成效果)

​

代码：spa

from turtle import *

import random

import time

n = 100.0

speed("fastest")

screensize(bg='seashell')

left(90)

forward(3*n)

color("orange", "yellow")

begin_fill()

left(126)

for i in range(5):

forward(n/5)

right(144)

forward(n/5)

left(72)

end_fill()

right(126)

color("dark green")

backward(n*4.8)

def tree(d, s):

if d <= 0: return

forward(s)

tree(d-1, s*.8)

right(120)

tree(d-3, s*.5)

right(120)

tree(d-3, s*.5)

right(120)

backward(s)

tree(15, n)

backward(n/2)

for i in range(200):

a = 200 - 400 * random.random()

b = 10 - 20 * random.random()

up()

forward(b)

left(90)

forward(a)

down()

if random.randint(0, 1) == 0:

color('tomato')

else:

color('wheat')

circle(2)

up()

backward(a)

right(90)

backward(b)

time.sleep(60)

未完待续！3d

很多用Python(大可能是turtle库)绘制的树图，感受很漂亮，我整理了一下，挑了一些我以为不错的代码分享给你们(这些我都测试过，确实能够生成喔~)one 樱花树code

动态生成樱花效果图(这个是动态的)：

实现代码

import turtle as T

import random

import time

# 画樱花的躯干(60,t)

def Tree(branch, t):

time.sleep(0.0005)

if branch > 3:

if 8 <= branch <= 12:

if random.randint(0, 2) == 0:

t.color('snow') # 白

else:

t.color('lightcoral') # 淡珊瑚色

t.pensize(branch / 3)

elif branch < 8:

if random.randint(0, 1) == 0:

t.color('snow')

else:

t.color('lightcoral') # 淡珊瑚色

t.pensize(branch / 2)

else:

t.color('sienna') # 赭(zhě)色

t.pensize(branch / 10) # 6

t.forward(branch)

a = 1.5 * random.random()

t.right(20 * a)

b = 1.5 * random.random()

Tree(branch - 10 * b, t)

t.left(40 * a)

Tree(branch - 10 * b, t)

t.right(20 * a)

t.up()

t.backward(branch)

t.down()

# 掉落的花瓣

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') # 淡珊瑚色

t.circle(1)

t.up()

t.backward(a)

t.right(90)

t.backward(b)

# 绘图区域

t = T.Turtle()

# 画布大小

w = T.Screen()

t.hideturtle() # 隐藏画笔

t.getscreen().tracer(5, 0)

w.screensize(bg='wheat') # wheat小麦

t.left(90)

t.up()

t.backward(150)

t.down()

t.color('sienna')

# 画樱花的躯干

Tree(60, t)

# 掉落的花瓣

Petal(200, t)

w.exitonclick()

飘落效果效果图：

代码：

from turtle import *

from random import *

from math import *

def tree(n,l):

pd()#下笔

#阴影效果

t = cos(radians(heading()+45))/8+0.25

pencolor(t,t,t)

pensize(n/3)

forward(l)#画树枝

if n>0:

b = random()*15+10 #右分支偏转角度

c = random()*15+10 #左分支偏转角度

d = l*(random()*0.25+0.7) #下一个分支的长度

#右转必定角度,画右分支

right(b)

tree(n-1,d)

#左转必定角度，画左分支

left(b+c)

tree(n-1,d)

#转回来

right(c)

else:

#画叶子

right(90)

n=cos(radians(heading()-45))/4+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 = heading()

an = -40 +random()*40

setheading(an)

dis = int(800*random()*0.5 + 400*random()*0.3 + 200*random()*0.2)

forward(dis)

setheading(t)

#画叶子

pd()

right(90)

n = cos(radians(heading()-45))/4+0.5

pencolor(n*0.5+0.5,0.4+n*0.4,0.4+n*0.4)

circle(2)

left(90)

pu()

#返回

t=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 1-10渐进，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

done()

暗色效果效果：

代码

from turtle import *

from random import *

from math import *

def tree(n, l):

pd()

t = cos(radians(heading() + 45)) / 8 + 0.25

pencolor(t, t, t)

pensize(n / 4)

forward(l)

if n > 0:

b = random() * 15 + 10

c = random() * 15 + 10

d = l * (random() * 0.35 + 0.6)

right(b)

tree(n - 1, d)

left(b + c)

tree(n - 1, d)

right(c)

else:

right(90)

n = cos(radians(heading() - 45)) / 4 + 0.5

pencolor(n, n, n)

circle(2)

left(90)

pu()

backward(l)

bgcolor(0.5, 0.5, 0.5)

ht()

speed(0)

tracer(0, 0)

left(90)

pu()

backward(300)

tree(13, 100)

done()

two 玫瑰花效果(有绘制过程)

代码

from turtle import *

import time

setup(1000,800,0,0)

speed(0)

penup()

seth(90)

fd(340)

seth(0)

pendown()

speed(5)

begin_fill()

fillcolor('red')

circle(50,30)

for i in range(10):

fd(1)

left(10)

circle(40,40)

for i in range(6):

fd(1)

left(3)

circle(80,40)

for i in range(20):

fd(0.5)

left(5)

circle(80,45)

for i in range(10):

fd(2)

left(1)

circle(80,25)

for i in range(20):

fd(1)

left(4)

circle(50,50)

time.sleep(0.1)

circle(120,55)

speed(0)

seth(-90)

fd(70)

right(150)

fd(20)

left(140)

circle(140,90)

left(30)

circle(160,100)

left(130)

fd(25)

penup()

right(150)

circle(40,80)

pendown()

left(115)

fd(60)

penup()

left(180)

fd(60)

pendown()

end_fill()

right(120)

circle(-50,50)

circle(-20,90)

speed(1)

fd(75)

speed(0)

circle(90,110)

penup()

left(162)

fd(185)

left(170)

pendown()

circle(200,10)

circle(100,40)

circle(-52,115)

left(20)

circle(100,20)

circle(300,20)

speed(1)

fd(250)

penup()

speed(0)

left(180)

fd(250)

circle(-300,7)

right(80)

circle(200,5)

pendown()

left(60)

begin_fill()

fillcolor('green')

circle(-80,100)

right(90)

fd(10)

left(20)

circle(-63,127)

end_fill()

penup()

left(50)

fd(20)

left(180)

pendown()

circle(200,25)

penup()

right(150)

fd(180)

right(40)

pendown()

begin_fill()

fillcolor('green')

circle(-100,80)

right(150)

fd(10)

left(60)

circle(-80,98)

end_fill()

penup()

left(60)

fd(13)

left(180)

pendown()

speed(1)

circle(-200,23)

exitonclick()

three 圣诞树

圣诞树 (动态生成效果)

代码：

from turtle import *

import random

import time

n = 100.0

speed("fastest")

screensize(bg='seashell')

left(90)

forward(3*n)

color("orange", "yellow")

begin_fill()

left(126)

for i in range(5):

forward(n/5)

right(144)

forward(n/5)

left(72)

end_fill()

right(126)

color("dark green")

backward(n*4.8)

def tree(d, s):

if d <= 0: return

forward(s)

tree(d-1, s*.8)

right(120)

tree(d-3, s*.5)

right(120)

tree(d-3, s*.5)

right(120)

backward(s)

tree(15, n)

backward(n/2)

for i in range(200):

a = 200 - 400 * random.random()

b = 10 - 20 * random.random()

up()

forward(b)

left(90)

forward(a)

down()

if random.randint(0, 1) == 0:

color('tomato')

else:

color('wheat')

circle(2)

up()

backward(a)

right(90)

backward(b)

time.sleep(60)

未完待续！