Wavepot

gistfile1.txt

function dsp(t) {
  // return sinOsc(t, 220, .5);
  
  return .3 * saw(t, 220, 4, .5) + saw(t, 221, 4, .5);
  
  // return 0.1 * Math.sin(2 * Math.PI * t * 440);
}

function saw(time, frequency, octaves, falloff) {
  value = 0;
  for (var i = 0; i < octaves; i++) {
    f = frequency * (i + 1);
    a = .5 / (Math.pow(2, i))
    value += osc(time, f, a);
  }
  return value;
}

function osc(time, frequency, amplitude) {
  return amplitude * Math.sin(2 * Math.PI * time * frequency);
}