<!DOCTYPE HTML>
<html>
<head>
<title>Test PannerNode outputs silence when the distance is greater than maxDist</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
var types = [
"equalpower",
"HRTF"
]
var finished = types.length;
function finish() {
if (!--finished) {
SimpleTest.finish();
}
}
function test(type) {
var ac = new OfflineAudioContext(1, 128, 44100);
var osc = ac.createOscillator();
var panner = ac.createPanner();
panner.distanceModel = "linear";
panner.maxDistance = 100;
panner.positionY.value = 200;
ac.listener.setPosition(0, 0, 0);
osc.connect(panner);
panner.connect(ac.destination);
osc.start();
ac.startRendering().then(function(buffer) {
var silence = true;
var array = buffer.getChannelData(0);
for (var i = 0; i < buffer.length; i++) {
if (array[i] != 0) {
ok(false, "Found noise in the buffer.");
silence = false;
}
}
ok(silence, "The buffer is silent.");
finish();
});
}
addLoadEvent(function() {
types.forEach(test);
});
SimpleTest.waitForExplicitFinish();
</script>
</pre>
</body>
</html>