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Diffstat (limited to 'jni/ruby/sample/rcs.rb')
-rw-r--r-- | jni/ruby/sample/rcs.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/jni/ruby/sample/rcs.rb b/jni/ruby/sample/rcs.rb new file mode 100644 index 0000000..0bdf81c --- /dev/null +++ b/jni/ruby/sample/rcs.rb @@ -0,0 +1,39 @@ +# random dot steraogram +# usage: rcs.rb rcs.dat + +sw = 40.0 # width of original pattern +dw = 78.0 # width of generating Random Character Streogram +hdw = dw / 2.0 +w = 20.0 # distance between eyes +h =1.0 # distance from screen and base plane +d = 0.2 # z value unit +ss="abcdefghijklmnopqrstuvwxyz0123456789#!$%^&*()-=\\[];'`,./" +rnd = srand() # You don't actually need this in ruby - srand() is called + # on the first call of rand(). + +while gets() +# print($_) + xr = -hdw; y = h * 1.0; maxxl = -999 + s = "" + while xr < hdw + x = xr * (1 + y) - y * w / 2 + i = (x / (1 + h) + sw / 2) + if (1 < i && i < $_.length) + c = $_[i, 1].to_i + else + c = 0 + end + y = h - d * c + xl = xr - w * y / (1 + y) + if xl < -hdw || xl >= hdw || xl <= maxxl + tt = rand(ss.length) + c = ss[tt, 1] + else + c = s[xl + hdw, 1] + maxxl = xl + end + s += c + xr += 1 + end + print(s, "\n") +end |