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# Untitled

a guest Oct 23rd, 2017 71 Never
ENDING IN00days00hours00mins00secs

1. import random
2. import time
3. import os
4.
5. empty = ' '
6. snow_flake = '*'
7.
8.
9. def get_input():
10.     width = height = 0
11.     while width % 2 == 0 and height % 2 == 0:
12.         width = int(input('Podaj nieparzystą szerokość planszy: '))
13.         height = int(input('Podaj nieparzystą wysokość planszy: '))
14.
15.     return width, height
16.
17.
18. def create_matrix(width, height):
19.     matrix = []
20.     for i in range(height):
21.         matrix.append([empty] * width)
22.     return matrix
23.
24.
25. def clear_matrix(matrix, width, height):
26.     matrix = create_matrix(width, height)
27.     return matrix
28.
29.
30. def draw_square(matrix, width, height, s):
31.     matrix = clear_matrix(matrix, width, height)
32.     x1, y1 = width // 2, height // 2
33.     x2, y2 = width // 2, height // 2
34.     x1 -= (s - 1)
35.     y1 -= (s - 1)
36.     x2 += (s - 1)
37.     y2 += (s - 1)
38.     for x in range(x1, x2 + 1):
39.         for y in range(y1, y2 + 1):
40.             if x in (x1, x2) or y in (y1, y2):
41.                 matrix[y][x] = snow_flake
42.     return matrix
43.
44.
45. def generate_new_frame(matrix, width, height, s):
46.     matrix = draw_square(matrix, width, height, s)
47.     return matrix
48.
49.
50. def print_matrix(matrix):
51.     for row in matrix:
52.         print(*row)
53.
54.
55. def clear_screen():
56.     os.system('clear')
57.
58.
59. def run():
60.     width, height = get_input()
61.     frame = create_matrix(width, height)
62.     n = min(width, height) // 2 + 1
63.
64.     while True:
65.         for i in range(-n + 1, n-1):
66.             print(n - abs(i))
67.             clear_screen()
68.             frame = generate_new_frame(frame, width, height, n - abs(i))
69.             print_matrix(frame)
70.             time.sleep(1/24)
71.
72.
73. def main():
74.     run()
75.
76.
77. if __name__ == '__main__':
78.     main()
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