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--- live-coding-melody-and-harmony-in-javascript-code-examples [2024/08/10 05:38] – created steve.wang
+++ live-coding-melody-and-harmony-in-javascript-code-examples [2024/08/10 06:57] (current) – steve.wang
@@ Line 4: / Line 4: @@
 <code javascript>
+let exampleQMap = new K.QuantizedMap(4, [0, 1, 2, 3], ["A", "B", "C", "D"])
+//wrapLookup examples:
+exampleQMap.wrapLookup(1.5) //'B'
+exampleQMap.wrapLookup(4) //'A'
+exampleQMap.wrapLookup(6.5) //'c'
+</code>
+===== Viewing QuantizedMaps in MusicalEnvironment =====
+<code javascript>
+console.log(e.octaveMaps)
+console.log(e.noteMaps)
+console.log(e.chordMaps)
+console.log(e.modeFilters)
+</code>
+===== Stochastic algorithm for generating melodies based on modes =====
+https://konduktiva.org/doku.php?id=music_generation#random
+===== Deterministic algorithm for generating melodies based on L-systems =====
+https://konduktiva.org/doku.php?id=music_generation#l-system_lindenmayer_system
+===== Algorithm for chord progressions based on the circle of fifths =====
+https://konduktiva.org/doku.php?id=music_generation#circle_of_fifths
+===== Using Algorithmically Generated Chords and Melodies Together =====
+A function that filters note according to player modeFilter.
+<code javascript>
+//Configure Player to use harmonic minor modeFilter:
+e.modeMaps.default.values[0] = 'harmonic minor'
+//Checking all three individually:
+console.log(K.filterMode(2, e, 10, e.players.exampleMidiPlayer1))
+console.log(K.filterMode(5, e, 10, e.players.exampleMidiPlayer1))
+console.log(K.filterMode(10, e, 10, e.players.exampleMidiPlayer1))
+//Checking all with array:
+console.log([2, 5, 10].map(x => {
+    return K.filterMode(x, e, 10, e.players.exampleMidiPlayer1)
+})) //[ 2, 5, 8 ]
+</code>
+===== Figure 7b =====
+<code javascript>
+e.modeFilters['IIm7'] = new K.QuantizedMap(12, [0, 2, 5, 9], [0, 2, 5, 9])
+e.modeFilters['v7'] = new K.QuantizedMap(12, [2, 5, 7, 11], [2, 5, 7, 11])
+e.modeFilters['Imaj7'] = new K.QuantizedMap(12, [0, 4, 7, 11], [0, 4, 7, 11])
+e.modeMaps.customExample = new K.QuantizedMap(9, [0, 4, 8], ['IIm7', 'v7', 'Imaj7'])
+e.players.exampleMidiPlayer1.modeMap = 'customExample'
+console.log([1, 2, 4, 11].map(x => {
+    return K.filterMode(x, e, 0, e.players.exampleMidiPlayer1)
+}))
+console.log([3, 5, 6, 7].map(x => {
+    return K.filterMode(x, e, 4, e.players.exampleMidiPlayer1)
+}))
+console.log([9, 3, 8, 3].map(x => {
+    return K.filterMode(x, e, 8, e.players.exampleMidiPlayer1)
+}))
+</code>
+===== Making Music In Konduktiva with our Additions =====
+<code javascript>
+K.addChordProgressionFromRomanNumeral(e, 'exampleProgression', 4, [0, 1, 2, 3], ['VI7','IIm7', 'V7', 'Imaj7'], 'C')
+console.log(e.chordMaps.exampleProgression)
+console.log(e.rootMaps.exampleProgression)
+</code>
+===== simpleRhythmPattern =====
+<code javascript>
+K.simpleRhythmPattern (e,
+    {
+        voice: 'kick',
+        patternName: 'testKick',
+        patternLength: 4,
+        IOIs: [1,1,1,1],
+        bools: [true,false,true,false]
+    }
+)
+console.log(e.rhythmMaps.testKick)
+console.log(e.rhythmMaps.testKick.values)
+</code>