var sc = require('supercolliderjs');

sc.lang.boot().then(function(sclang) {

  sclang.interpret('(1..8).pyramid')
    .then(function(result) {
      // result is a native javascript array
      console.log('= ' + result);
    }, function(error) {
      // syntax or runtime errors
      // are returned as javascript objects
      console.error(error);
    });

}, function(error) {
  console.error(error)
  // sclang failed to startup:
  // - executable may be missing
  // - class library may have failed with compile errors
});

let sc = require('supercolliderjs');

sc.server.boot().then((server) => {

  // Compile synthDef from a file
  // Will recompile and send to server if the file changes.
  let def = server.loadSynthDef('formant', './formant.scd');

  // Create group at the root
  let group = server.group();

  let freqSpec = {
    minval: 100,
    maxval: 8000,
    warp: 'exp'
  };

  // Map 0..1 to an exponential frequency range from 100..8000
  let randFreq = () => sc.map.mapWithSpec(Math.random(), freqSpec);

  let spawn = (dur) => {
    server.synth(def, {
      fundfreq: randFreq(),
      formantfreq: randFreq(),
      bwfreq: randFreq(),
      pan: sc.map.linToLin(0, 1, -1, 1, Math.random()),
      timeScale: dur
    }, group);

    let next = Math.random() * 0.25;
    // Schedule this function again:
    setTimeout(() => spawn(next), next * 1000);
  };

  spawn(Math.random());

});