turtle:海龜先生的意思。
Python老是用動物的名字!
Turtle繪製帶顏色和字體的圖形(Python3):https://blog.csdn.net/wumenglu1018/article/details/78184930/
Python繪圖Turtle庫詳解:https://blog.csdn.net/zengxiantao1994/article/details/76588580
python之turtle庫學習:https://blog.csdn.net/qq_32067045/article/details/80243430
實例:
1、太陽花
import turtle #Turtle是Python內嵌的繪製線、圓以及其他形狀(包括文本)的圖形模塊。
turtle.color("red","yellow")
turtle.begin_fill() #在填充形狀前訪問這個方法
for _ in range(20):
turtle.forward(200) #按照指定距離向前移動筆
turtle.left(170) #按照指定角度向左移動筆
turtle.end_fill() #在最後調用begin_fill之前填充繪製的圖形
turtle.mainloop() #turtle.mainloop()或turtle.done().啓動事件循環,必須是烏龜圖形程序中的最後一句(使圖案畫完了不會直接關閉繪圖窗口)
2、五角星
# coding=utf-8
import turtle
import time #導入時間模塊
turtle.pensize(5) #改變畫筆尺寸pensize()或width()
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() #提起筆移動,不繪製圖形,用於另起一個地方繪製,一般與goto搭配使用
turtle.goto(-150, -120)
turtle.color("violet") #設置筆的顏色
turtle.write("Done", font=('Arial', 40, 'normal'))
turtle.mainloop()
3、時鐘程序
# coding=utf-8
import turtle
from datetime import *
# 擡起畫筆,向前運動一段距離放下
def Skip(step):
turtle.penup()
turtle.forward(step)
turtle.pendown()
def mkHand(name, length):
# 註冊Turtle形狀,建立錶針Turtle
# 清空窗口,重置turtle狀態爲起始狀態
turtle.reset()
Skip(-length * 0.1)
# 開始記錄多邊形的頂點。當前的烏龜位置是多邊形的第一個頂點。
turtle.begin_poly()
turtle.forward(length * 1.1)
# 停止記錄多邊形的頂點。當前的烏龜位置是多邊形的最後一個頂點。將與第一個頂點相連。
turtle.end_poly()
# 返回最後記錄的多邊形。
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") #設置烏龜模式(“standard”,“logo”或“world”)並執行重置。
# 建立三個錶針Turtle並初始化
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)
# 建立輸出文字Turtle
printer = turtle.Turtle()
# 隱藏畫筆的turtle形狀
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():
# 繪製錶針的動態顯示
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後繼續調用tick
turtle.ontimer(Tick, 100)
def main():
# 打開/關閉龜動畫,併爲更新圖紙設置延遲。
turtle.tracer(False)
Init()
SetupClock(160)
turtle.tracer(True)
Tick()
turtle.mainloop()
if __name__ == "__main__":
main()