ableton push colors

gistfile1.txt

var midi = require('midi');
var input = new midi.input();

for(var i=0; i<input.getPortCount(); i++) {
  console.log(`PORT ${i}: ${input.getPortName(i)}`);
}


////

var MidiStream = require('midi-stream');
var push = MidiStream('Ableton Push 2 User Port'); 

function write(data) {
  console.log('WRITE', data);
  push.write(data);
};

function play(channel, note, velocity, at) {
  setTimeout(() => write([channel, note, velocity]), at * 1000);
}

for(var i=0; i<=127; i++) {
  for(var j=36; j<=99; j++) {
    play(144, j, i, (i / 4) + (j/100));
  }
}