1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#!/usr/bin/env ruby
require "curses"
def onsig(signal)
Curses.close_screen
exit signal
end
def place_string(y, x, string)
Curses.setpos(y, x)
Curses.addstr(string)
end
def cycle_index(index)
(index + 1) % 5
end
%w[HUP INT QUIT TERM].each do |sig|
unless trap(sig, "IGNORE") == "IGNORE" # previous handler
trap(sig) {|s| onsig(s) }
end
end
Curses.init_screen
Curses.nl
Curses.noecho
Curses.curs_set 0
srand
xpos, ypos = {}, {}
x_range = 2..(Curses.cols - 3)
y_range = 2..(Curses.lines - 3)
(0..4).each do |i|
xpos[i], ypos[i] = rand(x_range), rand(y_range)
end
i = 0
loop do
x, y = rand(x_range), rand(y_range)
place_string(y, x, ".")
place_string(ypos[i], xpos[i], "o")
i = cycle_index(i)
place_string(ypos[i], xpos[i], "O")
i = cycle_index(i)
place_string(ypos[i] - 1, xpos[i], "-")
place_string(ypos[i], xpos[i] - 1, "|.|")
place_string(ypos[i] + 1, xpos[i], "-")
i = cycle_index(i)
place_string(ypos[i] - 2, xpos[i], "-")
place_string(ypos[i] - 1, xpos[i] - 1, "/ \\")
place_string(ypos[i], xpos[i] - 2, "| O |")
place_string(ypos[i] + 1, xpos[i] - 1, "\\ /")
place_string(ypos[i] + 2, xpos[i], "-")
i = cycle_index(i)
place_string(ypos[i] - 2, xpos[i], " ")
place_string(ypos[i] - 1, xpos[i] - 1, " ")
place_string(ypos[i], xpos[i] - 2, " ")
place_string(ypos[i] + 1, xpos[i] - 1, " ")
place_string(ypos[i] + 2, xpos[i], " ")
xpos[i], ypos[i] = x, y
Curses.refresh
sleep(0.5)
end
|
