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import QtQuick 2.1
import MuseScore 1.0
import QtQuick.Controls 1.0
import QtQuick.Layouts 1.0
MuseScore {
version: "2.1"
description: "Create random score."
menuPath: "Plugins.random2"
pluginType: "dock"
dockArea: "left"
width: 150
height: 75
onRun: { }
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() * octaves.value);
var pitch = cdur[Math.floor(idx)] + octave * 12 + 60 + keyo[key];
console.log("Add note pitch "+pitch);
cursor.addNote(pitch);
}
function createScore() {
var measures = 18; //in 4/4 default time signature
var numerator = 3;
var denominator = 4;
var key = 2; //index in keyo from addNote function above
var score = newScore("Random2.mscz", "piano", measures);
score.startCmd();
score.addText("title", "==Random2==");
score.addText("subtitle", "Another subtitle");
var cursor = score.newCursor();
cursor.track = 0;
cursor.rewind(0);
var ts = newElement(Element.TIMESIG);
ts.setSig(numerator, denominator);
cursor.add(ts);
var realMeasures = Math.ceil(measures * denominator / numerator);
console.log(realMeasures);
var notes = realMeasures * 4; //number of 1/4th notes
for (var staff = 0; staff < 2; ++staff) { //piano has two staves to fill
cursor.track = staff * 4; //4 voice tracks per staff
cursor.rewind(0); //go to the start of the score
//add notes
for (var i = 0; i < notes; ++i) {
if (Math.random() < 0.4) {
console.log("Adding two notes at ", i);
cursor.setDuration(1, 8);
addNote(key, cursor);
addNote(key, cursor);
}
else {
console.log("Adding note at ", i);
cursor.setDuration(1, 4);
addNote(key, cursor);
}
} //done adding notes to this staff
}
score.endCmd();
Qt.quit();
}
GridLayout {
anchors.fill: parent
columns: 2
rowSpacing: 5
Text {
text: "Octaves"
color: "white"
}
SpinBox {
id: octaves
minimumValue: 1
maximumValue: 3
stepSize: 1
Layout.fillWidth: true
Layout.preferredHeight: 25
value: 1
}
Button {
text: "create"
Layout.columnSpan: 2
Layout.fillWidth: true
onClicked: {
createScore()
}
}
}
}
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