用python画花瓣Python——画一棵漂亮的樱花树

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樱花树

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 <&＃61; branch <&＃61; 12:

if random.randint(0, 2) &＃61;&＃61; 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) &＃61;&＃61; 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 &＃61; 1.5 random.random()

t.right(20 a)

b &＃61; 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 &＃61; 200 - 400 random.random()

b &＃61; 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 &＃61; T.Turtle()

画布大小

w &＃61; T.Screen()

t.hideturtle() # 隐藏画笔

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

w.screensize(bg&＃61;"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()

代码

from turtle import from random import

from math import *

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,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 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

done()

代码

from turtle import from random import

from math import *

def tree(n, l):

pd()

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

pencolor(t, t, t)

pensize(n / 4)

forward(l)

if n > 0:

b &＃61; random() 15 &＃43; 10

c &＃61; random() 15 &＃43; 10

d &＃61; l (random() 0.35 &＃43; 0.6)

right(b)

tree(n - 1, d)

left(b &＃43; c)

tree(n - 1, d)

right(c)

else:

right(90)

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

原文地址&＃xff1a;https://blog.51cto.com/14513127/2468049