Last active
August 29, 2015 14:16
-
-
Save NHQ/cd30b9503e35f13ec5cd to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var asynth = require('../'); | |
var jynth = require('jynth'); | |
var synth = jynth(); | |
var recording = true; | |
var playing = true; | |
var samples = []; | |
process.stdin.setRawMode(true); | |
process.stdin.on('data', function (buf) { | |
if (buf[0] === 3) process.exit(); | |
if (buf[0] === ' '.charCodeAt(0)) { | |
recording = !recording; | |
console.log('recording ' + recording); | |
if (recording) samples = []; | |
} | |
if (buf[0] === 'p'.charCodeAt(0)) { | |
playing = !playing; | |
console.log('playing ' + playing); | |
} | |
}); | |
process.stdin.resume(); | |
var notes = {}; | |
var s = asynth(function (note, t) { | |
var freq = 440 * Math.pow(2, (note.key - 49) / 12); | |
if (!notes[note.key]) { | |
notes[note.key] = true; | |
setTimeout(function () { | |
notes[note.key] = false; | |
}, 8000); | |
samples.splice(0); | |
} | |
var x = synth(t) | |
.sine(0.1, freq) | |
.amod(freq/200,freq/100,3) | |
.sample | |
; | |
var y = synth(t) | |
.sine(1, freq) | |
.sample | |
; | |
var value = x + y; | |
if (recording) samples.push(value); | |
if (samples.length > 44000 * 16) samples.splice(0, 44000); | |
return value; | |
}); | |
s.push(function (t, i) { | |
if (!playing) return 0; | |
return samples[i % samples.length]; | |
}); | |
s.play(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment