【實例簡介】

【實例截圖】

【核心代碼】

# -*- coding: utf-8 -*-

#!/usr/bin/python

import math

from tkinter import *

class PTS:

def __init__(self):

self.x = 0

self.y = 0

points = []

def LineToDemo():

screenx = 400

screeny = 400

canvas = Canvas(width = screenx,height = screeny,bg = 'white')

AspectRatio = 0.85

MAXPTS = 15

h = screeny

w = screenx

xcenter = w / 2

ycenter = h / 2

radius = (h - 30) / (AspectRatio * 2) - 20

step = 360 / MAXPTS

angle = 0.0

for i in range(MAXPTS):

rads = angle * math.pi / 180.0

p = PTS()

p.x = xcenter int(math.cos(rads) * radius)

p.y = ycenter - int(math.sin(rads) * radius * AspectRatio)

angle = step

points.append(p)

canvas.create_oval(xcenter - radius,ycenter - radius,

xcenter radius,ycenter radius)

for i in range(MAXPTS):

for j in range(i,MAXPTS):

canvas.create_line(points[i].x,points[i].y,points[j].x,points[j].y)

canvas.pack()

mainloop()

if __name__ == '__main__':

LineToDemo()

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