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aud.js
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aud.js
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// declare global variables
var SPP = cc('_SPP'),
SPS = cc('_SPS'),
SRID = cc('srid'),
e = encodeURIComponent,
url = window.location.href,
tld = window.location.origin,
ref = window.document.referrer,
sys = window.navigator.platform;
// initalize the functions
function init() {
if (SPP == "NP") {
initCookie("_SPP", "SPP", 365);
send('u');
} else if (SPS == "NP") {
initCookie("_SPS", "SPS");
send('u');
} else {
send('v');
}
}
window.>
// send request regarding the user type
function send(u) {
// var s = "http://54.243.149.109:8085/receiver?acc=" + _spp + "&f=" + _f + "&u=" + u + "&SPP=" + cc('_SPP') + "&SPS=" + cc('_SPS') + "&SRID=" + cc('srid') + "&url=" + e(url) + "&ref=" + e(ref) + "&sys=" + e(sys) + "&tld=" + e(tld);
var s = "http://pix.silverpush.co/receiver?acc=" + _spp + "&f=" + _f+ "&u=" + u + "&SPP=" + cc('_SPP') + "&SPS=" + cc('_SPS') + "&SRID=" + cc('srid') + "&url=" + e(url) + "&ref=" + e(ref) + "&sys=" + e(sys) + "&tld=" + e(tld);
var xhr = initReq(s);
if (!xhr) return;
xhr. {
var text = xhr.responseText
};
xhr. {};
xhr.send()
}
// checks for cookie by the 'name'
function cc(name) {
if (document.cookie.length > 0) {
c_start = document.cookie.indexOf(name + "=");
if (c_start != -1) {
c_start = c_start + name.length + 1;
c_end = document.cookie.indexOf(";", c_start);
if (c_end == -1) c_end = document.cookie.length;
return unescape(document.cookie.substring(c_start, c_end))
} else {
return "NP"
}
} else {
return "NP"
}
}
// initializes a cookie with 'name' and its 'value' and 'days' to expire
function initCookie(name, value, days) {
var time = new Date;
if (value) value = value + "." + Math.random() * time;
if (days) {
time.setTime(time.getTime() + days * 24 * 60 * 60 * 1E3);
var expires = "; expires=" + time.toGMTString()
} else var expires = "";
document.cookie = name + "=" + value + expires + "; path=/";
}
// initaliezes a CORS request
function initReq(url) {
var xhr = new XMLHttpRequest;
if ("withCredentials" in xhr) xhr.open('POST', url, true);
else if (typeof XDomainRequest != "undefined") {
xhr = new XDomainRequest;
xhr.open(method, url)
} else xhr = null;
return xhr
}
// initializes a freq playback
var _F = [18051, 18151, 18251, 18351, 18451, 18551, 18651, 18751, 18851, 19051, 19151, 19251, 19351, 19451, 19551, 19651, 19751, 19851];
var _f = [19951];
for (i = 1; i <= 2; i++) {
var f = _F[Math.floor(Math.random() * _F.length)];
if (_f.indexOf(f) != -1) {
i--;
} else {
_f[i] = f;
}
}
// console.log(_f);
// globals
var aud, o;
// hello audio world
(function init(g) {
try {
aud = new(g.AudioContext || g.webkitAudioContext);
// o = aud.createOscillator();
} catch (e) {
alert('No web audio support in this browser');
}
}(window));
/*
// all good except a little tch
function play() {
console.log(freq)
o = aud.createOscillator();
o.frequency.value = freq;
o.connect(aud.destination);
o.noteOn(0);
}
*/
function play() {
// console.log(freq)
o = aud.createOscillator();
o.frequency.value = freq;
o.connect(aud.destination);
var gainNode = aud.createGain();
o.connect(gainNode)
gainNode.connect(aud.destination)
gainNode.gain.value = 0.0001;
// gainNode.gain.linearRampToValueAtTime(0.00001, aud.currentTime + 0.000000000011);
// console.log(aud.currentTime)
o.noteOn(0);
}
function stop() {
o.noteOff(0);
o.stop();
}
var i = 0;
function myLoop() {
setTimeout(function() {
kplay();
k = 0
i++;
if (i < 3) {
myLoop();
}
}, 500)
}
var k = 0;
function kplay() {
setTimeout(function() {
freq = _f[k];
play();
kstop();
k++;
if (k < 3) {
kplay();
}
}, 100)
}
var t = 0
function kstop() {
setTimeout(function() {
stop();
t++;
if (t < 3) {
kstop();
}
}, 100)
}
myLoop();
/*
// play singular freq
function freq() {
if (t >= 0) {
var o = aud.createOscillator();
var g = aud.createGain();
o.connect(g);
g.connect(aud.destination);
g.gain.value = 0;
o.type = 'sawtooth';
setInterval(ch, 140);
var i = 0;
function ch() {
o.frequency.value = _f[i];
i += 1;
}
console.log(t)
t -= 1;
console.log(t)
o.frequency.value = _f;
fade();
o.start();
console.log('k')
function fade() {
g.gain.linearRampToValueAtTime(0.1, aud.currentTime + 0.01);
}
}
}
*/