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import QtQuick 2.1
import MuseScore 1.0
MuseScore {
version: "2.1"
description: "Create random score."
menuPath: "Plugins.random"
function addNote(key, cursor) {
var cdur = [ 0, 2, 4, 5, 7, 9, 11 ];
// c g d e
var keyo = [ 0, 7, 2, 4 ];
var idx = Math.random() * 6;
var octave = Math.floor(Math.random() * 2);
var pitch = cdur[Math.floor(idx)] + octave * 12 + 60 + keyo[key];
cursor.addNote(pitch);
}
onRun: {
var measures = 18; //in 4/4 default time signature
var numerator = 3;
var denominator = 4;
var octaves = 2;
var key = 3;
var score = newScore("Random.mscz", "piano", measures);
score.addText("title", "==Random==");
score.addText("subtitle", "subtitle");
var cursor = score.newCursor();
cursor.track = 0;
cursor.rewind(0);
var ts = newElement(Element.TIMESIG);
ts.setSig(numerator, denominator);
cursor.add(ts);
cursor.rewind(0);
var realMeasures = Math.ceil(measures * denominator / numerator);
console.log(realMeasures);
var notes = realMeasures * 4; //number of 1/4th notes
for (var i = 0; i < notes; ++i) {
if (Math.random() < 0.5) {
cursor.setDuration(1, 8);
addNote(key, cursor);
addNote(key, cursor);
}
else {
cursor.setDuration(1, 4);
addNote(key, cursor);
}
}
Qt.quit();
}
}
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