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IChing.sc
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IChing.sc
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IChing {
var <>hexagram;
*new {
^super.new.consult;
}
// consult the oracle - get an hexagram
consult {
var oldyin, yang, yin, oldyang;
oldyin = Dictionary.newFrom( List[
\num, 6,
\yarrow, 1/16,
\coin, 2/16,
\name, "old yin",
\signification, "yin changing into yang",
\symbol, "---x---",
\binary, 0,
\changing, true,
]);
yang = Dictionary.newFrom( List[
\num, 7,
\yarrow, 5/16,
\coin, 6/16,
\name, "yang",
\signification, "yang unchanging",
\symbol, "-------",
\binary, 1,
\changing, false,
]);
yin = Dictionary.newFrom( List[
\num, 8,
\yarrow, 7/16,
\coin, 6/16,
\name, "yin",
\signification, "yin unchanging",
\symbol, "--- ---",
\binary, 0,
\changing, false,
]);
oldyang = Dictionary.newFrom( List[
\num, 9,
\yarrow, 3/16,
\coin, 2/16,
\name, "old yang",
\signification, "yang changing into yin",
\symbol, "---o---",
\binary, 1,
\changing, true,
]);
hexagram = Array.fill( 6, { |i|
[oldyin, yang, yin, oldyang].wchoose([oldyin[\yarrow], yang[\yarrow], yin[\yarrow], oldyang[\yarrow]]);
// var val = [oldyin, yang, yin, oldyang].wchoose([oldyin[\yarrow], yang[\yarrow], yin[\yarrow], oldyang[\yarrow]]);
// [i, val[\symbol]].postln;
// val;
});
IChing.post(hexagram);
}
// return the hexagram as a decimal number
// WARNING: It does not correspond to wilhelm's numbering, it's a translation to binary form
*hexagramNumber { |hex|
var num = IChing.hexagramAsBinary(hex).reverse * 2.pow((0..5));
^num.sum.asInt;
}
// return the hexagram as a Binary array
*hexagramAsBinary{ |hex|
var binary = Array.fill(hex.size, {|i|
hex[i][\binary]
});
^binary.reverse;
}
// print hexagram
*post { |hex=#[0,0,0,0,0,0]|
postf("hexagram number: %\n", IChing.hexagramNumber(hex));
postf("pos \thexagram \tnum \tbin \tsignification\n");
hex.reverse.do{ |item, i|
postf(" %\t\t% \t\t% \t\t\t% \t\t%\n",hex.size-i, item[\symbol], item[\num], item[\binary], item[\signification]);
};
// hexagram.do{|item,i| [i, item[\symbol], item[\binary]].postln};
}
post {
IChing.post(this.hexagram);
}
// return line number [6..9] given it's position [1..6]
lineNum { |lineposition|
^hexagram[lineposition-1][\num];
}
// return binary value of line
lineBinary { |lineposition|
^hexagram[lineposition-1][\binary];
}
// return true if line is changing
lineChanging { |lineposition|
^hexagram[lineposition-1][\changing];
}
// return the hexagram number
hexagramNumber { |lineposition|
^IChing.hexagramNumber(hexagram);
}
// return the hexagram as a binary array
asBinary {
^IChing.hexagramAsBinary(hexagram);
}
// return the hexagram as a binary array
asBinaryArray {
^IChing.hexagramAsBinary(hexagram);
}
}