Python-- painting a beautiful cherry tree

Recently turn a know almost, many with Python (mostly turtle library) tree drawing above, I feel very beautiful, I order a bit, I think it's good to pick up some of the code for the currency symbol for everyone to share

Cherry tree

Code

import turtle as T
import random
import time

Painted cherry torso (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()

Falling petals

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)

Drawing area

t = T.Turtle()

Canvas size

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')

Painted cherry trunk

Tree(60, t)

Falling petals

Petal(200, t)
w.exitonclick()

代码
from turtle import
from random import
from math import *

DEF Tree (n-, L):
PD () # write
# shadow effect
T = COS (radians (heading () + 45)) /. 8 + 0.25
penColor (T, T, T)
Pensize (R) (n-/. 3)
Forward (L ) # painting branch

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
    #右转一定角度,画右分支
    right(b)
    tree(n-1,d)
    #左转一定角度，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) # background color
ht () # hide Turtle
Speed (0) # 1-10 gradual speed, 0 fastest
Tracer (0, 0)
PU () # pen-
Backward (100)
left (90 ) 90 degrees left #
PU () # pen-
backward (300) # back 300
Tree (12,100) recursively # 7 layers
done ()

Code

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()