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33b9dff05b
--HG-- extra : transplant_source : %8E%99%9B%F8%288%5C%A5%E8%D1%C3%E2%9F%89%5C%D0C%B1l%B0
51 lines
1.6 KiB
HTML
51 lines
1.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test PannerNode directly above</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script src="webaudio.js" type="text/javascript"></script>
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<script class="testbody" type="text/javascript">
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var gTest = {
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numberOfChannels: 2,
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createGraph: function(context) {
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// An up vector will be made perpendicular to the front vector, in the
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// front-up plane.
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context.listener.setOrientation(0, 6.311749985202524e+307, 0, 0.1, 1000, 0);
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// Linearly dependent vectors are ignored.
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context.listener.setOrientation(0, 0, -6.311749985202524e+307, 0, 0, 6.311749985202524e+307);
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var panner = context.createPanner();
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panner.setPosition(2, 0, 0); // directly above
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panner.rolloffFactor = 0; // no distance gain
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panner.panningModel = "equalpower"; // no effect when directly above
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var source = context.createBufferSource();
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source.buffer = this.buffer;
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source.connect(panner);
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source.start(0);
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return panner;
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},
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createExpectedBuffers: function(context) {
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var expectedBuffer = context.createBuffer(2, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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// Different signals in left and right buffers
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expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
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expectedBuffer.getChannelData(1)[i] = Math.sin(220 * 2 * Math.PI * i / context.sampleRate);
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}
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this.buffer = expectedBuffer;
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return expectedBuffer;
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},
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};
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runTest();
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</script>
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</pre>
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</body>
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</html>
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