Python动态画图小代码(Turtle Graphics)

1. 穿雨鞋的小黄鸭

from turtle import *
 
#扁嘴
pensize(2)
 
pu()
goto(-100,100)#上嘴最高顶点
seth(-50)
pd()
color('#6C3100','#FADD77')
begin_fill()
fd(16)
vertex_right = pos()#嘴最右顶点
rt(50)
fd(12)
vertex_down = pos()#下嘴最低顶点
rt(80)
fd(30)
circle(-3,200)
vertex_left = pos()#嘴最左顶点
goto(-100,100)
end_fill()
goto(vertex_left)#回到最左顶点
circle(-3,-200)#扁嘴
goto(vertex_right)
    
#身体
#头颈背尾曲线
color('#B6A88E')
pu()
goto(-100,100)
pd()
 
seth(80)
circle(-36,160)
fd(25)
circle(115,20)
circle(60,55)
circle(-200,20)
circle(110,20)
color('#7D6A4C')
circle(40,40)
color('#B6A88E')
seth(-100)
circle(-180,30)
circle(-20,50)
 
#右鸭腿
circle(20,70)
color('#736856')
circle(-12,120)
leg_pos1 = pos()#定位左腿位置
fd(25)
 
#前胸肚曲线
pu()
goto(vertex_down)
pd()
seth(-10)
color('#B9AD9D')
circle(-40,50)
circle(-80,48)
color('#736856')
circle(250,5)
circle(50,75)
color('#B9AD9D')
circle(220,28)
 
#左鸭腿
pu()
seth(175)
fd(40)
pd()
seth(-120)
fd(8)
circle(-10,120)
leg_pos2 = pos()#定位右腿位置
fd(15)
 
#眼睛
color('black')
#左眼
pu()
goto(vertex_down - (1,-29))
pd()
dot(4,'black')#相比circle()，不需要再额外填充颜色
#右眼
pu()
goto(vertex_down + (23,20))
pd()
dot(4,'black')
 
 
#翅膀
color('#BCB2A6')
pu()
goto(vertex_down - (-75,130))
seth(130)
pd()
circle(-25,130)
circle(-100,30)
fd(85)
point = pos()
rt(137)
fd(52)
circle(-100,58)
 
pu()
goto(point)
lt(30)
pd()
fd(60)
 
pu()
goto(point)
pd()
lt(10)
fd(70)
 
 
#腿部
#左腿
def leg(pos0):#鸭腿绘制函数
    pensize(8)
    color('#ECC578')
    pu()
    goto(pos0)
    seth(0)
    fd(7)
    seth(-90)
    fd(8.5)
    pd()
    fd(20)#腿长
 
leg(leg_pos1)
leg(leg_pos2)
 
#小红靴——函数
def boot(pos0):
    pensize(2)
    color('#B4070B','#FBA06B')
    pu()
    goto(pos0)#靴子右上顶点
    pd()
    begin_fill()
    seth(140)
    circle(25,80)
    seth(-80)
    fd(35)#fd(30)左侧线条
 
    circle(-2,60)#靴低
    fd(20)
    circle(4,180)    
    seth(5)
    fd(30)
    circle(2,60)
    
    goto(pos0)#右侧线条
    end_fill()
    
boot(leg_pos1-(-20,30))
boot(leg_pos2-(-20,30)) 
    
 
#小雨滴
color('#77DDFF','#D8E8E5')
fd_ls = [200,140,250,240,230,220,180,250]
lt_ls = [30,60,60,100,125,170,200,330]
for i in range(8):
    pu()
    home()    
    lt(lt_ls[i])
    fd(fd_ls[i])
 
    pd()
    seth(-78)
    fd(15)
    begin_fill()
    circle(-3,200)
    end_fill()
    fd(15)
 
#文字
pu()
goto(vertex_left)
seth(180)
fd(150)
seth(-90)
fd(300)
color('black')
write('code by totoup',font=("Arial",15,"normal"))
    
hideturtle()
done()

2.告白（一） 

import turtle
import time
 
 
# 清屏函数
def clear_all():
    turtle.penup()
    turtle.goto(0, 0)
    turtle.color('white')
    turtle.pensize(800)
    turtle.pendown()
    turtle.setheading(0)
    turtle.fd(300)
    turtle.bk(600)
 
 
# 重定位海龟的位置
def go_to(x, y, state):
    turtle.pendown() if state else turtle.penup()
    turtle.goto(x, y)
 
 
# 画线
# state为真时海龟回到原点，为假时不回到原来的出发点
def draw_line(length, angle, state):
    turtle.pensize(1)
    turtle.pendown()
    turtle.setheading(angle)
    turtle.fd(length)
    turtle.bk(length) if state else turtle.penup()
    turtle.penup()
 
 
# 画箭羽
def draw_feather(size):
    angle = 30                          # 箭的倾角
    feather_num = size//6               # 羽毛的数量
    feather_length = size // 3          # 羽毛的长度
    feather_gap = size//10              # 羽毛的间隔
    for i in range(feather_num):
        draw_line(feather_gap, angle+180, False)            # 箭柄，不折返
        draw_line(feather_length, angle + 145, True)        # 羽翼，要折返
    draw_line(feather_length, angle + 145, False)
    draw_line(feather_num*feather_gap, angle, False)
    draw_line(feather_length, angle + 145 + 180, False)
    for i in range(feather_num):
        draw_line(feather_gap, angle+180, False)            # 箭柄，不折返
        draw_line(feather_length, angle - 145, True)        # 羽翼，要折返
    draw_line(feather_length, angle - 145, False)
    draw_line(feather_num*feather_gap, angle, False)
    draw_line(feather_length, angle - 145 + 180, False)
 
 
# 画爱心
def draw_heart(size):
    turtle.color('red', 'pink')
    turtle.pensize(2)
    turtle.pendown()
    turtle.seth