<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
	<title>Ping Pong Delay</title>

	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
	<link rel="icon" type="image/png" sizes="174x174" href="./favicon.png">

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	<script src="../build/Tone.js"></script>
	<script src="./js/tone-ui.js"></script>
	<script src="./js/components.js"></script>
</head>
<body>
	<tone-example label="Ping Pong Delay">
		<tone-loader></tone-loader>

		<div slot="explanation">
			A Ping Pong Delay is a stereo feedback delay where the delay bounces back and forth between the left and right channels. Hit the button to trigger a snare sample into the effect. 
			<br><br>
			<a href="https://tonejs.github.io/docs/PingPongDelay">Tone.PingPongDelay</a> docs.
		</div>

		<div id="content">
			<tone-momentary-button></tone-momentary-button>
		</div>
	</tone-example>
	
	<script type="text/javascript">
		//the feedback delay
		var feedbackDelay = new Tone.PingPongDelay({
			"delayTime" : "8n",
			"feedback" : 0.6,
			"wet" : 0.5
		}).toDestination();

		//play a snare sound through it
		const player = new Tone.Player("https://tonejs.github.io/audio/drum-samples/CR78/snare.mp3").connect(feedbackDelay);

		const toneMeter = new Tone.Meter({channels: 2})
		feedbackDelay.connect(toneMeter)

		meter({
			tone: toneMeter,
			parent: document.querySelector('#content')
		})

		document.querySelector("tone-momentary-button").addEventListener('down', () => player.start())
		document.querySelector("tone-momentary-button").addEventListener('up', () => player.stop())
	</script>
</body>
</html>