mass shooting sonification

2 files changed, 21 insertions, 5 deletions

diff --git a/client/index.js b/client/index.js
index 58185a5..f5853b9 100644
--- a/client/index.js
+++ b/client/index.js
@@ -4,6 +4,7 @@ import { saveAs } from 'file-saver/FileSaver'
 
 import keys from './lib/keys'
 import scales from './lib/scales'
+import kalimba from './lib/kalimba'
 import {
   midi_init,
   play_note,
@@ -69,6 +70,7 @@ data.load().then(lists => {
     const [y, m, d] = row[mass_fields.date].split('/')
     return (parseInt(y) - parseInt(min_y)) * 12 + parseInt(m)
   })
+  datasets["Mass Shootings"].data = lines
   datasets["Mass Shootings"].lines = [lines.map(row => Math.log(row[mass_fields.total_victims]))]
   requestAudioContext(ready)
 })
@@ -99,10 +101,13 @@ function play_mass_shootings(i, bounds, diff, note_time, channel="all", exportin
   const y = 0
   const x = i % rows[0].length
   const n = rows[y][x]
-  let notes = [], midi_notes = []
+  const total = dataset.dates.length
+  let notes = [], midi_notes = [], cases = []
   console.log(i, mass_i, dataset.dates[mass_i])
-  while (i === dataset.dates[mass_i]) {
+  while (i >= dataset.dates[mass_i] && mass_i < total) {
     notes.push(dataset.lines[mass_i])
+    cases.push(dataset.data[mass_i][mass_fields.date] + ' ' + dataset.data[mass_i][mass_fields.case])
+    console.log('push case', dataset.data[mass_i][mass_fields.date] + ' ' + dataset.data[mass_i][mass_fields.case])
     mass_i += 1
   }
   switch (notes.length) {
@@ -129,13 +134,17 @@ function play_mass_shootings(i, bounds, diff, note_time, channel="all", exportin
       midi_notes.push(play_note( norm(n, min, max) * nx.multiply.value, 32, channel, exporting, 0, 96))
       break
   }
-  if (mass_i > dataset.dates.length-1) {
+  if (cases.length) {
+    document.querySelector('#cases').innerHTML = cases.join('<br>')
+  }
+  if (total <= mass_i) {
     mass_rest = 0
     mass_i = 0
     i = 0
   } else {
     i += 1
   }
+  kalimba.play(220)
   if (notes.length) {
     mass_rest = 0
     return [i, midi_notes]
@@ -147,7 +156,7 @@ function play_mass_shootings(i, bounds, diff, note_time, channel="all", exportin
 /* play next note according to sonification */
 
 function play_next(){
-  let note_time = 120000 / Tone.Transport.bpm.value * note_values[nx.timing.active][0] * nx.duration.value
+  let note_time = 120000 / Tone.Transport.bpm.value * note_values[nx.timing.active][0]
   setTimeout(play_next, note_time)
   let [new_i, notes] = play_fn(i, bounds, diff, note_time)
   i = new_i
diff --git a/client/lib/midi.js b/client/lib/midi.js
index 338526a..f4b479b 100644
--- a/client/lib/midi.js
+++ b/client/lib/midi.js
@@ -54,7 +54,7 @@ export function midi_init() {
 
 /* play a single note */
 
-export function play_note(index, duration, channel="all", exporting=false, defer=0){
+export function play_note(index, duration, channel="all", exporting=false, rest=0, defer=0){
   // console.log(index)
   const scale = scales.current()
   const freq = scale.index(index + Math.round(nx.offset.value), nx.octave.value)
@@ -68,6 +68,8 @@ export function play_note(index, duration, channel="all", exporting=false, defer
   midi_note = Math.floor(midi_note)
   if ((midiDevice || exporting) && midi_note > 127) return 0
   const note = Tone.Frequency(Math.floor(midi_note), "midi").toNote()
+  const defer_time = 30000 / Tone.Transport.bpm.value * defer / 128
+  console.log(defer, defer_time)
   if (exporting || midiDevice) {
     duration = duration || 60000 / Tone.Transport.bpm.value
     if (! exporting) {
@@ -79,6 +81,11 @@ export function play_note(index, duration, channel="all", exporting=false, defer
         play_midi_note(note, cents, channel, duration)
       }
     }
+  }
+  else if (defer) {
+    setTimeout(() => {
+      kalimba.play(freq)
+    }, defer_time)
   } else {
     kalimba.play(freq)
   }