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made more chord functions

master
Stephanie Chung 12 years ago
parent
commit
675111a83a
  1. 90
      js/main.js

90
js/main.js

@ -10,6 +10,7 @@ window.onload = function () {
$(window).on('ready', function() { //here we are listening for the ready event. $(window).on('ready', function() { //here we are listening for the ready event.
midiBridge.init(function(MidiAccess) { midiBridge.init(function(MidiAccess) {
console.log(MidiAccess);
var input = MIDIAccess.getInput(MIDIAccess.enumerateInputs()[0]); var input = MIDIAccess.getInput(MIDIAccess.enumerateInputs()[0]);
var output = MIDIAccess.getOutput(MIDIAccess.enumerateOutputs()[0]); var output = MIDIAccess.getOutput(MIDIAccess.enumerateOutputs()[0]);
@ -93,7 +94,7 @@ function parseAction(event) {
*/ */
function triggerAction(note) { function triggerAction(note) {
$(".anchor[data-note="+note+"]").addClass('active'); $(".anchor[data-note="+note+"]").addClass('active');
playNote(note); playAugmented(note);
} }
var delay = 0; // play one note every quarter second var delay = 0; // play one note every quarter second
@ -109,17 +110,21 @@ function playNote(note) {
MIDI.noteOff(0, note, delay + 0.75); MIDI.noteOff(0, note, delay + 0.75);
} }
function multinotes(root, third, fifth) {
MIDI.noteOn(0, root, velocity, delay);
MIDI.noteOn(0, third, velocity, delay);
MIDI.noteOn(0, fifth, velocity, delay);
}
/** /**
* @playRootMajor play the major chord in the root position * @playRootMajor play the major chord in the root position
* @param note * @param note
*/ */
function playRootMajor(note) { function playRootMajor(note) {
var root = note; var root = note,
var third = note + 4; third = note + 4,
var fifth = note +7; fifth = note +7;
MIDI.noteOn(0, root, velocity, delay); multinotes(root, third, fifth);
MIDI.noteOn(0, third, velocity, delay);
MIDI.noteOn(0, fifth, velocity, delay);
} }
/** /**
@ -127,12 +132,10 @@ function playRootMajor(note) {
* @param note * @param note
*/ */
function playFirstMajorInversion(note) { function playFirstMajorInversion(note) {
var root = note+4; var root = note+ 4,
var third = root+3; third = root+ 3,
var fifth = root+5; fifth = root+5;
MIDI.noteOn(0, root, velocity, delay); multinotes(root, third, fifth);
MIDI.noteOn(0, third, velocity, delay);
MIDI.noteOn(0, fifth, velocity, delay);
} }
/** /**
@ -140,12 +143,10 @@ function playFirstMajorInversion(note) {
* @param note * @param note
*/ */
function playSecondMajorInversion(note) { function playSecondMajorInversion(note) {
var root = note+7; var root = note+ 7,
var third = root+5; third = root+ 5,
var fifth = root+4; fifth = root+4;
MIDI.noteOn(0, root, velocity, delay); multinotes(root, third, fifth);
MIDI.noteOn(0, third, velocity, delay);
MIDI.noteOn(0, fifth, velocity, delay);
} }
/** /**
@ -153,12 +154,10 @@ function playSecondMajorInversion(note) {
* @param note * @param note
*/ */
function playRootMinor(note) { function playRootMinor(note) {
var root = note; var root = note,
var third = note + 3; third = note + 3,
var fifth = note +7; fifth = note +7;
MIDI.noteOn(0, root, velocity, delay); multinotes(root, third, fifth);
MIDI.noteOn(0, third, velocity, delay);
MIDI.noteOn(0, fifth, velocity, delay);
} }
/** /**
@ -166,12 +165,10 @@ function playRootMinor(note) {
* @param note * @param note
*/ */
function playFirstMinorInversion(note) { function playFirstMinorInversion(note) {
var root = note+3; var root = note+ 3,
var third = root+4; third = root+ 4,
var fifth = root+5; fifth = root+5;
MIDI.noteOn(0, root, velocity, delay); multinotes(root, third, fifth);
MIDI.noteOn(0, third, velocity, delay);
MIDI.noteOn(0, fifth, velocity, delay);
} }
/** /**
@ -179,10 +176,29 @@ function playFirstMinorInversion(note) {
* @param note * @param note
*/ */
function playSecondMinorInversion(note) { function playSecondMinorInversion(note) {
var root = note+7; var root = note+ 7,
var third = root+5; third = root+ 5,
var fifth = root+3; fifth = root+3;
MIDI.noteOn(0, root, velocity, delay); multinotes(root, third, fifth);
MIDI.noteOn(0, third, velocity, delay); }
MIDI.noteOn(0, fifth, velocity, delay);
function playAugmented(note) {
var root = note,
third = note + 4,
fifth = root + 8;
multinotes(root, third, fifth);
}
function playDiminished(note) {
var root = note,
third = note + 3,
fifth = note + 3;
multinotes(root, third, fifth);
}
function playSuspended(note) {
var root = note,
third = note + 5,
fifth = note + 7;
multinotes(root, third, fifth);
} }
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