7919 - [D]实例059：画图

admin · 发表于 2021-10-20 08:35:05

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题目：画图，综合例子。
程序分析：丑。

if __name__ == '__main__':( K9 n( S# S& Q! |% {" o( D. r
from tkinter import *! ]9 U- O4 G) y& ~5 \
canvas = Canvas(width = 300,height = 300,bg = 'green')% D d5 |4 i) y1 e
canvas.pack(expand = YES,fill = BOTH)
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x0 = 150
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y0 = 100) ` j# d; Y+ M& o0 v
canvas.create_oval(x0 - 10,y0 - 10,x0 + 10,y0 + 10)% E4 m; }. S) S; Q7 j
canvas.create_oval(x0 - 20,y0 - 20,x0 + 20,y0 + 20)
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canvas.create_oval(x0 - 50,y0 - 50,x0 + 50,y0 + 50)
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import math
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B = 0.809
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for i in range(16):- R1 y" q5 ~; \- G4 [
a = 2 * math.pi / 16 * i
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x = math.ceil(x0 + 48 * math.cos(a))6 |( m$ |5 F( [" Z
y = math.ceil(y0 + 48 * math.sin(a) * B). {$ a) v T2 R$ l
canvas.create_line(x0,y0,x,y,fill = 'red')' p- u: Y! F4 T! {
canvas.create_oval(x0 - 60,y0 - 60,x0 + 60,y0 + 60)- U3 n& l9 l, w) O1 |4 y
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for k in range(501):
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for i in range(17):! m- g1 d, d4 r1 O( O. Q/ ?( f. W
a = (2 * math.pi / 16) * i + (2 * math.pi / 180) * k
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x = math.ceil(x0 + 48 * math.cos(a))
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y = math.ceil(y0 + 48 + math.sin(a) * B)9 e6 R! g' N# e
canvas.create_line(x0,y0,x,y,fill = 'red')
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for j in range(51):
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a = (2 * math.pi / 16) * i + (2* math.pi / 180) * k - 14 d- ?" S8 ]8 q4 b) p$ A9 y$ l
x = math.ceil(x0 + 48 * math.cos(a)). O) X0 w% _9 T' h/ x3 h
y = math.ceil(y0 + 48 * math.sin(a) * B)* C5 v Z; j7 R7 O
canvas.create_line(x0,y0,x,y,fill = 'red')
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mainloop()

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[题库] 7919 - [D]实例059：画图

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