Python标准Turtle库绘制实时扫秒时钟
说起Python,大家一定会想到缩进有序的代码和黑白乏味的控制台窗口。
大家知道简单又有趣的自带的Turtle库吗?
用Turtle可以画出多彩复杂的种种图形,下面都是turtle的作品哦
(第二幅因为绘制速度慢,其余部分请脑补~)
显而易见,我们平时接触到的Turtle作品都是静态图形。那么,下面这个动态的实时扫秒时钟,你能想到思路吗?
来吧,下面直接上源码(文件福利在末尾)
另外,如果你不知道Python和Turtle库是什么,还是建议你访问:
#!/usr/bin/env python3(这是谁的代码风格你们知道了吧)
# -*- coding: utf-8 -*-
import turtle
from datetime import *
def Skip(step):
turtle.penup()
turtle.forward(step)
turtle.pendown()
def mkHand(name, length):
turtle.reset()
Skip(-length * 0.1)
turtle.begin_poly()
turtle.forward(length * 1.1)
turtle.end_poly()
handForm = turtle.get_poly()
turtle.register_shape(name, handForm)
def Init():
global secHand, minHand, hurHand, printer
turtle.mode("logo")
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)
printer = turtle.Turtle() # 隐藏画笔的turtle形状
printer.hideturtle()
printer.penup()
def SetupClock(radius):
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():
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)
turtle.ontimer(Tick, 100)
def main():
turtle.tracer(False)
Init()
SetupClock(160)
turtle.tracer(True)
Tick()
turtle.mainloop()
if __name__ == "__main__":
main()
期待的你赶紧自己去探索吧
源码福利如下:
另外分享一下:
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