python练手_59-画图（丑）

# -*- coding:utf-8 -*-
# @Author: CH
"""
@project: python study
@time:2019/1/7-23:53
@file_name:【程序59】画图（丑）.py
@IDE:PyCharm 
@else: DO NOT STOP STUDYING!!!
"""
# 题目 画图，综合例子。
#
# 程序分析 丑。
if __name__ == '__main__':
    from tkinter import *

    canvas = Canvas(width=300, height=300, bg='green')
    canvas.pack(expand=YES, fill=BOTH)
    x0 = 150
    y0 = 100
    canvas.create_oval(x0 - 10, y0 - 10, x0 + 10, y0 + 10)
    canvas.create_oval(x0 - 20, y0 - 20, x0 + 20, y0 + 20)
    canvas.create_oval(x0 - 50, y0 - 50, x0 + 50, y0 + 50)
    import math

    B = 0.809
    for i in range(16):
        a = 2 * math.pi / 16 * i
        x = math.ceil(x0 + 48 * math.cos(a))
        y = math.ceil(y0 + 48 * math.sin(a) * B)
        canvas.create_line(x0, y0, x, y, fill='red')
    canvas.create_oval(x0 - 60, y0 - 60, x0 + 60, y0 + 60)

    for k in range(501):
        for i in range(17):
            a = (2 * math.pi / 16) * i + (2 * math.pi / 180) * k
            x = math.ceil(x0 + 48 * math.cos(a))
            y = math.ceil(y0 + 48 + math.sin(a) * B)
            canvas.create_line(x0, y0, x, y, fill='red')
        for j in range(51):
            a = (2 * math.pi / 16) * i + (2 * math.pi / 180) * k - 1
            x = math.ceil(x0 + 48 * math.cos(a))
            y = math.ceil(y0 + 48 * math.sin(a) * B)
            canvas.create_line(x0, y0, x, y, fill='red')
    mainloop()