test.js

// For testing with node.js

var sys = require("util");

var RIFFWAVE = require("./riffwave.js").RIFFWAVE;
var sfxr = require("./sfxr.js");

function dump(that, title) {
  if (title) console.log('\n' + title + '\n');
  for (var i in that) 
    if (typeof that[i] !== 'function') 
      console.log(i, that[i]);
}

function diff(a, b, title) {
  if (title) console.log('\n' + title + '\n');
  for (var i in a) {
    if (a.hasOwnProperty(i) && typeof a[i] !== 'function') {
      if (b.hasOwnProperty(i)) {
        if (a[i] !== b[i])
          console.log('%', i, a[i], b[i])
      } else 
        console.log('<', i, a[i]);
    }
  }
  for (var i in b) {
    if (b.hasOwnProperty(i) && !a.hasOwnProperty(i)) {
      console.log('>', i, b[i]);
    }
  }
}


//var sound = new sfxr.SoundEffect((new sfxr.Params()).tone()).generate();
/*
var knobs = new sfxr.Knobs({
  shape: sfxr.SAWTOOTH,
  attack: 0.1,
  decay: 0.1,
  sustain: 1,
  frequency: 440,
});
var sound = new sfxr.SoundEffect(knobs).generate();
*/


/*
console.log("\nKNOBS TONE\n")
var a, b;
dump(a = new sfxr.SoundEffect(new sfxr.Knobs().tone()))

console.log("\nKNOBS FOR IT\n");
dump(new sfxr.Knobs().tone());

console.log("\nPARAMS TONE\n")
dump(b = new sfxr.SoundEffect(new sfxr.Params().tone()));

console.log("\nPARAMS FOR IT\n")
dump(new sfxr.Params().tone());

console.log('\nDIFF <knobs >params\n');
diff(a, b)
*/

var x = 'random';

var sound = new sfxr.SoundEffect(new sfxr.Knobs()[x]()).generate();
require("fs").writeFile("./test.wav", new Buffer(sound.wav), 'binary', 
                        function(err) {
                          if(err) {
                            sys.puts(err);
                          } else {
                            sys.puts("test.wav saved!");
                          }
                        });

var p0 = new sfxr.Params()[x](0);
var p1 = new sfxr.Params()[x](1);
var q0 = new sfxr.Knobs().translate(p0);
var q1 = new sfxr.Knobs().translate(p1);
dump(p0, 'PARAMS 0');
dump(p1, 'PARAMS 1');
dump(q0, 'KNOBS 0');
dump(q1, 'KNOBS 1');
diff(q0, q1, 'DIFF KNOBS');