python程序设计基础之turtle库制作简单的小图片

（turtle基础）一条小蛇

#我做了一条简单的小蟒蛇
from turtle import *
setup(650,350,200,200)
pu()
fd(-250)
pd()
pensize(25)
pencolor('red')
seth(-40)
for i in range(4):
    circle(40,80)
    pencolor('blue')
    circle(-40,80)
    pencolor('purple')
circle(40,80/2)
fd(40)
pencolor('red')
circle(16,180)
fd(40*2/3)

（turtle基础）一颗小星星

#我做了一颗简单的小星星
from turtle import *
fillcolor('red')
begin_fill()
while True:
    fd(200)
    right(144)
    if abs(pos())<1:
        break;
end_fill()
hideturtle()

# coding=utf-8
import turtle
import time
  
turtle.pensize(5)
turtle.pencolor("yellow")
turtle.fillcolor("red")
  
turtle.begin_fill()
for _ in range(5):
  turtle.forward(200)
  turtle.right(144)
turtle.end_fill()
time.sleep(2)
  
turtle.penup()
turtle.goto(-150,-120)
turtle.color("violet")
turtle.write("Done", font=('Arial', 40, 'normal'))
  
turtle.mainloop()

（turtle基础）一朵太阳花

#我做了一朵太阳花
from turtle import *
color('red','yellow')
begin_fill()
while True:
    fd(200)
    left(170)
    if abs(pos())<1:
        break;
end_fill()
hideturtle()

或者

# coding=utf-8
import turtle
import time
  
# 同时设置pencolor=color1, fillcolor=color2
turtle.color("red", "yellow")
  
turtle.begin_fill()
for _ in range(50):
turtle.forward(200)
turtle.left(170)
turtle.end_fill()
  
turtle.mainloop()

（turtle基础进阶）一个小时钟

# coding=utf-8
  
import turtle
from datetime import *
  
# 抬起画笔，向前运动一段距离放下
def Skip(step):
    turtle.penup()
    turtle.forward(step)
    turtle.pendown()
  
def mkHand(name, length):
    # 注册Turtle形状，建立表针Turtle
    turtle.reset()
    Skip(-length * 0.1)
    # 开始记录多边形的顶点。当前的乌龟位置是多边形的第一个顶点。
    turtle.begin_poly()
    turtle.forward(length * 1.1)
    # 停止记录多边形的顶点。当前的乌龟位置是多边形的最后一个顶点。将与第一个顶点相连。
    turtle.end_poly()
    # 返回最后记录的多边形。
    handForm = turtle.get_poly()
    turtle.register_shape(name, handForm)
  
def Init():
    global secHand, minHand, hurHand, printer
    # 重置Turtle指向北
    turtle.mode("logo")
    # 建立三个表针Turtle并初始化
    mkHand("secHand", 135)
    mkHand("minHand", 125)
    mkHand("hurHand", 90)
    secHand = turtle.Turtle()
    secHand.shape("secHand")
    minHand = turtle.Turtle()
    minHand.shape("minHand")
    hurHand = turtle.Turtle()
    hurHand.shape("hurHand")
    
    for hand in secHand, minHand, hurHand:
        hand.shapesize(1, 1, 3)
        hand.speed(0)
    
    # 建立输出文字Turtle
    printer = turtle.Turtle()
    # 隐藏画笔的turtle形状
    printer.hideturtle()
    printer.penup()
     
def SetupClock(radius):
    # 建立表的外框
    turtle.reset()
    turtle.pensize(7)
    for i in range(60):
        Skip(radius)
        if i % 5 == 0:
            turtle.forward(20)
            Skip(-radius - 20)
            
            Skip(radius + 20)
            if i == 0:
                turtle.write(int(12), align="center", font=("Courier", 14, "bold"))
            elif i == 30:
                Skip(25)
                turtle.write(int(i/5), align="center", font=("Courier", 14, "bold"))
                Skip(-25)
            elif (i == 25 or i == 35):
                Skip(20)
                turtle.write(int(i/5), align="center", font=("Courier", 14, "bold"))
                Skip(-20)
            else:
                turtle.write(int(i/5), align="center", font=("Courier", 14, "bold"))
            Skip(-radius - 20)
        else:
            turtle.dot(5)
            Skip(-radius)
        turtle.right(6)
         
def Week(t):  
    week = ["星期一", "星期二", "星期三",
            "星期四", "星期五", "星期六", "星期日"]
    return week[t.weekday()]
  
def Date(t):
    y = t.year
    m = t.month
    d = t.day
    return "%s %d%d" % (y, m, d)
  
def Tick():
    # 绘制表针的动态显示
    t = datetime.today()
    second = t.second + t.microsecond * 0.000001
    minute = t.minute + second / 60.0
    hour = t.hour + minute / 60.0
    secHand.setheading(6 * second)
    minHand.setheading(6 * minute)
    hurHand.setheading(30 * hour)
     
    turtle.tracer(False)
    printer.forward(65)
    printer.write(Week(t), align="center",
                  font=("Courier", 14, "bold"))
    printer.back(130)
    printer.write(Date(t), align="center",
                  font=("Courier", 14, "bold"))
    printer.home()
    turtle.tracer(True)
  
    # 100ms后继续调用tick
    turtle.ontimer(Tick, 100)
  
def main():
    # 打开/关闭龟动画，并为更新图纸设置延迟。
    turtle.tracer(False)
    Init()
    SetupClock(160)
    turtle.tracer(True)
    Tick()
    turtle.mainloop()
  
if __name__ == "__main__":
    main()

（turtle基础进阶）一个小魔幻场景

from turtle import *
pensize(2)
bgcolor("black")
colors=["red","blue","yellow","purple"]
speed(10)

for x in range(400):
    fd(2*x)
    color(colors[x%4])
    left(92)
hideturtle()
done()

（turtle基础进阶）一个告白的心

from turtle import*
setup(750,500)
penup()
pensize(25)
pencolor("pink")
fd(-230)
seth(90)
pendown()
circle(-50,180)
circle(50,-180)
circle(75,-50)
circle(-190,-45)
penup()
fd(185)
seth(180)
fd(120)
seth(90)
pendown()
circle(-75,-50)
circle(190,-45)
penup()
fd(184)
seth(0)
fd(80)
seth(90)
pendown()
circle(-50,180)
circle(50,-180)
circle(75,-50)
circle(-190,-45)
penup()
fd(185)
seth(180)
fd(120)
seth(90)
pendown()
circle(-75,-50)
circle(190,-45)
penup()
fd(150)
seth(180)
fd(300)
pencolor("red")
pensize(10)
pendown()
fd(-500)
seth(90)
fd(30)
fd(-60)
seth(30)
fd(60)
seth(150)
fd(60)
done()

转载来源

from turtle import *
#黄色爱心铃铛 
pensize(5)
seth(0)
color('orange')
begin_fill()
lt(135)
fd(22)
right(180)#画笔掉头
circle(8,-180)
 
 
backward(8)
right(90)
forward(8)
circle(-8,180)
fd(22)
 
end_fill()
hideturtle()

原文链接