8
ss="abcdefghijklmnopqrstuvwxyz0123456789!#$%^&*()-=\\[];'`,./";
13
xr = -hdw; y = h * 1.0; maxxl = -999;
16
x = xr * (1 + y) - y * w / 2;
17
i = (x / (1 + h) + sw /2);
18
c = (0 < i && i < length($0)) ? substr($0, i, 1) : "0";
20
xl = xr - w * y / (1 + y);
21
if (xl < -hdw || xl >= hdw || xl <= maxxl) {
22
t = rand() * length(ss);
26
c = substr(s, xl + hdw, 1);