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+/* play function for mass shooting data w/ custom timing */
+
+// export const note_values = [
+// [8, '8 measures', 8 * 512],
+// [4, '4 measures', 4 * 512],
+// [2, '2 measures', 2 * 512],
+// [1, 'whole note', 512],
+// [1/2, 'half note', 256],
+// [1/3, 'third note', [170, 170, 171]],
+// [1/4, 'quarter note', 128],
+// [1/5, 'fifth note', [51,51,51,51,52]],
+// [1/6, 'sixth note', [85, 85, 86, 85, 85, 86]],
+// [1/8, 'eighth note', 64],
+// [1/10, 'tenth note', [25,26,26,25,26,25,26,26,25,26]],
+// [1/12, 'twelfth note', [21,21,22, 21,21,22, 21,21,22, 21,21,22]],
+// [1/16, 'sixteenth note', 32],
+// [1/32, 'thirtysecond note', 16],
+// ]
+
+function play_mass_shootings(i, bounds, diff, note_time, channel="all", exporting) {
+ const { min, max } = bounds
+ const total = dataset.dates.length
+ let pedal_note
+ let notes = [], midi_notes = []
+ let cases = []
+ let timings
+ let week = Math.floor((i)/4) % 4
+ let year = Math.floor((i - (4*4*3)) / 48) // + 2
+ console.log(year)
+ let yy = -year
+ if (year > 0) year += 1
+ let this_one = 0
+ // console.log(i, mass_i, dataset.dates[mass_i], channel, exporting)
+ while (i >= dataset.dates[mass_i] && mass_i < total) {
+ // console.log(i, dataset.dates[mass_i])
+ notes.push(dataset.lines[0][mass_i])
+ if (dataset.isMass) {
+ cases.push(dataset.data[mass_i][mass_fields.date] + ' ' + dataset.data[mass_i][mass_fields.case] +
+ ", " + dataset.data[mass_i][mass_fields.fatalities] + ' dead, ' + dataset.data[mass_i][mass_fields.injured] + ' injured')
+ } else {
+ cases.push(dataset.labels[mass_i])
+ // console.log(dataset.labels[mass_i])
+ }
+ // console.log('push case', dataset.data[mass_i][mass_fields.date] + ' ' + dataset.data[mass_i][mass_fields.case])
+ mass_i += 1
+ this_one += 1
+ if (this_one >= 4) break
+ }
+ switch (notes.length) {
+ default:
+ case 0:
+ break
+ case 1:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value + yy, 128, channel, exporting, 0))
+ timings = [128]
+ break
+ case 2:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value + yy, 64, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value + yy, 64, channel, exporting, 64))
+ timings = [64, 64]
+ break
+ case 3:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value + yy, 43, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value + yy, 43, channel, exporting, 43))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value + yy, 42, channel, exporting, 85))
+ timings = [43, 43 ,42]
+ break
+ case 4:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value + yy, 32, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value + yy, 32, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value + yy, 32, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value + yy, 32, channel, exporting, 96))
+ timings = [32, 32, 32, 32]
+ break
+ case 5:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value + yy, 22, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value + yy, 21, channel, exporting, 22))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value + yy, 21, channel, exporting, 43))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value + yy, 32, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value + yy, 32, channel, exporting, 96))
+ timings = [22, 21, 21, 32, 32]
+ break
+ case 6:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value + yy, 22, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value + yy, 21, channel, exporting, 22))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value + yy, 21, channel, exporting, 43))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value + yy, 22, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value + yy, 21, channel, exporting, 86))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value + yy, 21, channel, exporting, 107))
+ timings = [22, 21, 21, 22, 21, 21]
+ break
+ case 7:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value, 16, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value, 16, channel, exporting, 16))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value, 16, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value, 16, channel, exporting, 48))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value, 22, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value, 21, channel, exporting, 86))
+ midi_notes.push(play_note( norm(notes[6], min, max) * nx.multiply.value, 21, channel, exporting, 107))
+ timings = [16, 16, 16, 16, 22, 21, 21]
+ break
+ case 8:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value, 16, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value, 16, channel, exporting, 16))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value, 16, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value, 16, channel, exporting, 48))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value, 16, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value, 16, channel, exporting, 80))
+ midi_notes.push(play_note( norm(notes[6], min, max) * nx.multiply.value, 16, channel, exporting, 96))
+ midi_notes.push(play_note( norm(notes[7], min, max) * nx.multiply.value, 16, channel, exporting, 112))
+ timings = [16, 16, 16, 16, 16, 16, 16, 16]
+ break
+ case 9:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value, 11, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value, 11, channel, exporting, 11))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value, 10, channel, exporting, 22))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value, 16, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value, 16, channel, exporting, 48))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value, 16, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[6], min, max) * nx.multiply.value, 16, channel, exporting, 80))
+ midi_notes.push(play_note( norm(notes[7], min, max) * nx.multiply.value, 16, channel, exporting, 96))
+ midi_notes.push(play_note( norm(notes[8], min, max) * nx.multiply.value, 16, channel, exporting, 112))
+ timings = [11, 11, 10, 16, 16, 16, 16, 16, 16]
+ break
+ case 10:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value, 11, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value, 11, channel, exporting, 11))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value, 10, channel, exporting, 22))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value, 11, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value, 11, channel, exporting, 43))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value, 10, channel, exporting, 54))
+ midi_notes.push(play_note( norm(notes[6], min, max) * nx.multiply.value, 16, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[7], min, max) * nx.multiply.value, 16, channel, exporting, 80))
+ midi_notes.push(play_note( norm(notes[8], min, max) * nx.multiply.value, 16, channel, exporting, 96))
+ midi_notes.push(play_note( norm(notes[9], min, max) * nx.multiply.value, 16, channel, exporting, 112))
+ timings = [11, 11, 10, 11, 11, 10, 16, 16, 16, 16]
+ break
+ case 11:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value, 11, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value, 11, channel, exporting, 11))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value, 10, channel, exporting, 22))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value, 11, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value, 11, channel, exporting, 43))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value, 10, channel, exporting, 54))
+ midi_notes.push(play_note( norm(notes[6], min, max) * nx.multiply.value, 11, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[7], min, max) * nx.multiply.value, 11, channel, exporting, 75))
+ midi_notes.push(play_note( norm(notes[8], min, max) * nx.multiply.value, 10, channel, exporting, 86))
+ midi_notes.push(play_note( norm(notes[9], min, max) * nx.multiply.value, 16, channel, exporting, 96))
+ midi_notes.push(play_note( norm(notes[10], min, max) * nx.multiply.value, 16, channel, exporting, 112))
+ timings = [11, 11, 10, 11, 11, 10, 11, 11, 10, 16, 16]
+ break
+ case 12:
+ midi_notes.push(play_note( norm(notes[0], min, max) * nx.multiply.value, 11, channel, exporting, 0))
+ midi_notes.push(play_note( norm(notes[1], min, max) * nx.multiply.value, 11, channel, exporting, 11))
+ midi_notes.push(play_note( norm(notes[2], min, max) * nx.multiply.value, 10, channel, exporting, 22))
+ midi_notes.push(play_note( norm(notes[3], min, max) * nx.multiply.value, 11, channel, exporting, 32))
+ midi_notes.push(play_note( norm(notes[4], min, max) * nx.multiply.value, 11, channel, exporting, 43))
+ midi_notes.push(play_note( norm(notes[5], min, max) * nx.multiply.value, 10, channel, exporting, 54))
+ midi_notes.push(play_note( norm(notes[6], min, max) * nx.multiply.value, 11, channel, exporting, 64))
+ midi_notes.push(play_note( norm(notes[7], min, max) * nx.multiply.value, 11, channel, exporting, 75))
+ midi_notes.push(play_note( norm(notes[8], min, max) * nx.multiply.value, 10, channel, exporting, 86))
+ midi_notes.push(play_note( norm(notes[9], min, max) * nx.multiply.value, 11, channel, exporting, 96))
+ midi_notes.push(play_note( norm(notes[10], min, max) * nx.multiply.value, 11, channel, exporting, 107))
+ midi_notes.push(play_note( norm(notes[11], min, max) * nx.multiply.value, 10, channel, exporting, 118))
+ timings = [11, 11, 10, 11, 11, 10, 11, 11, 10, 11, 11, 10]
+ break
+ }
+ const pedal_freq = scales.current().index(nx.pedal_tone.value - week + 4 - year, nx.octave.value)
+ pedal_note = get_midi_note_for_frequency(pedal_freq)
+ if (!exporting) {
+ kalimba.play(pedal_freq, -12)
+ if (cases.length) {
+ document.querySelector('#cases').innerHTML = cases.join('<br>')
+ }
+ }
+ if (total <= mass_i) {
+ mass_i = 0
+ i = 0
+ } else {
+ i += 1
+ }
+
+ if (notes.length) {
+ return [i, midi_notes, timings, pedal_note]
+ }
+ return [i, [], [], pedal_note]
+}
+
+function get_midi_note_for_frequency(freq){
+ let midi_note = ftom(freq)
+ let cents = midi_note % 1
+ if (cents > 0.5) {
+ midi_note += 1
+ cents -= 1
+ }
+ cents *= 2
+ midi_note = Math.floor(midi_note)
+ if (midi_note > 127) return 0
+ const note = Tone.Frequency(Math.floor(midi_note), "midi").toNote()
+ // console.log(freq, midi_note, note)
+ return note
+}
+
+/* play next note according to sonification */
+
+function play_next(){
+ if (paused) return
+ let note_time = 120000 / Tone.Transport.bpm.value * note_values[nx.timing.active][0]
+ clearTimeout(playTimeout)
+ playTimeout = setTimeout(play_next, note_time)
+ let [new_i, notes, timings] = play_fn(i, bounds, diff, note_time)
+ if (dataset.labels) {
+ // const j = Math.floor(i / bounds.rows[0].length)
+ // document.querySelector('#cases').innerHTML = dataset.labels[j]
+ }
+
+ i = new_i
+ if (recording) {
+ let timing = note_values[nx.timing.active][2]
+ if (timing.length) timing = timing[i % timing.length]
+ recorder.addEvent(new MidiWriter.NoteEvent({ pitch: notes, duration: 't' + timing }))
+ }
+}
+
+function play() {
+ i = 0
+ mass_i = 0
+ paused = false
+ play_next()
+}
+function pause() {
+ paused = true
+}
+
+/* bind selects */
+
+function pick_dataset(key){
+ console.log('pick dataset:', key, datasets[key])
+ i = 0
+ mass_i = 0
+ window.location.hash = key
+ dataset = datasets[key]
+ bounds = get_bounds(dataset)
+ diff = get_diff_bounds(bounds.rows)
+ play_fn = dataset.play_fn
+ max_i = dataset.max_i || (bounds.rows.length * bounds.rows[0].length)
+ if (dataset.onPick) {
+ dataset.onPick()
+ }
+}
+
+/* build and bind the UI */
+
+function ready() {
+ scales.build_options(document.querySelector('#scale'))
+ build_options(document.querySelector('#dataset'), datasets, pick_dataset)
+
+ const dial_size = [50, 50]
+
+ Tone.Transport.bpm.value = DEFAULT_BPM
+ nx.tempo = new Nexus.Dial('#tempo', {
+ size: dial_size,
+ min: 10,
+ max: 300,
+ step: 1,
+ value: DEFAULT_BPM,
+ })
+ update_value_on_change(nx.tempo, '#tempo', true, v => Tone.Transport.bpm.value = v)
+
+ nx.timing = new Nexus.RadioButton('#timing', {
+ size: [400,25],
+ numberOfButtons: note_values.length,
+ active: 6,
+ })
+ update_radio_value_on_change(nx.timing, '#timing', note_values)
+
+ nx.duration = new Nexus.Dial('#duration', {
+ size: dial_size,
+ min: 0,
+ max: 2,
+ step: 0.01,
+ value: 0.8,
+ })
+ update_value_on_change(nx.duration, '#duration', false)
+
+ nx.offset = new Nexus.Dial('#offset', {
+ size: dial_size,
+ min: -24,
+ max: 24,
+ step: 1,
+ value: -5,
+ })
+ update_value_on_change(nx.offset, '#offset', true)
+
+ nx.octave = new Nexus.Dial('#octave', {
+ size: dial_size,
+ min: -4,
+ max: 4,
+ step: 1,
+ value: 0,
+ })
+ update_value_on_change(nx.octave, '#octave', true)
+
+ nx.multiply = new Nexus.Dial('#multiply', {
+ size: dial_size,
+ min: -64,
+ max: 64,
+ step: 1,
+ value: 19,
+ })
+ update_value_on_change(nx.multiply, '#multiply', true)
+
+ nx.interval = new Nexus.Dial('#interval', {
+ size: dial_size,
+ min: -64,
+ max: 64,
+ step: 1,
+ value: 10,
+ })
+ update_value_on_change(nx.interval, '#interval', true)
+
+ nx.pedal_tone = new Nexus.Dial('#pedal_tone', {
+ size: dial_size,
+ min: -24,
+ max: 24,
+ step: 1,
+ value: -7,
+ })
+ update_value_on_change(nx.pedal_tone, '#pedal_tone', true)
+
+ const play_button = document.querySelector('#play')
+ play_button.addEventListener('click', () => {
+ play()
+ })
+
+ const pause_button = document.querySelector('#pause')
+ pause_button.addEventListener('click', () => {
+ pause()
+ })
+
+ const export_midi_button = document.querySelector('#export_midi')
+ export_midi_button.addEventListener('click', () => {
+ export_pattern_as_midi(dataset, bounds, diff, nx.tempo.value, nx.timing.active, play_fn, max_i)
+ })
+
+ const record_midi_button = document.querySelector('#record_midi')
+ record_midi_button.addEventListener('click', () => {
+ if (recording) {
+ record_midi_button.innerHTML = 'Record MIDI'
+ document.body.classList.remove('recording')
+ recording = false
+ const writer = new MidiWriter.Writer([recorder])
+ const blob = dataURItoBlob(writer.dataUri())
+ saveAs(blob, 'Recording - ' + dataset.name + '.mid')
+ } else {
+ record_midi_button.innerHTML = 'Save Recording'
+ document.body.classList.add('recording')
+ recording = true
+ recorder = new MidiWriter.Track()
+ recorder.setTempo(nx.tempo.value)
+ }
+ })
+
+ document.querySelector('.loading').classList.remove('loading')
+
+ document.querySelector('#scale').value = '14'
+ scales.pick(14)
+
+ const initial_dataset = decodeURIComponent(window.location.hash.substr(1)) || 'Mass Shootings'
+ document.querySelector('#dataset').value = initial_dataset
+ pick_dataset(initial_dataset)
+
+ // play_next()
+}
+
+/* keys */
+
+keys.listen(index => {
+ nx.offset.value = index
+ nx.offset.update(index)
+})
generated by cgit v1.2.3-70-g09d2 (git 2.51.0) at 2025-12-11 14:18:58 +0000