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adding stepSequencer example

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Jason Sigal 2014-06-23 17:00:51 -04:00
parent f01c6f8f30
commit d6bfa2cd1b
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examples/stepSequencer.html Normal file
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<html>
<head>
<title>TRANSPORT</title>
<script src="http://code.jquery.com/jquery-2.1.0.min.js"></script>
<script type="text/javascript" src="../Tone.js"></script>
<link rel="stylesheet" type="text/css" href="exampleStyle.css">
</head>
<body>
<div>Checkbox Step Sequencer. 1 bar loop. Each box is a 16th note.</div>
<br>
<button>start</button>
<div id="transportTime">0:0:0</div>
<br><br>
<div id="checkboxes"></div>
<div id="output"></div>
<div id="loading">loading...</div>
<script type="text/javascript">
Tone.Transport.loop = true;
Tone.Transport.setLoopStart("0:0");
Tone.Transport.setLoopEnd("1:0");
Tone.Transport.setBpm(100);
var player = new Tone.Player("./audio/505/snare.mp3", function(){
$("#loading").remove();
});
player.retrigger = true;
player.toMaster();
setInterval(function(){
$("#transportTime").text(Tone.Transport.getTransportTime());
}, 100);
$("button").click(function(){
if (Tone.Transport.state === "started"){
Tone.Transport.stop();
$(this).text("start");
$("#output").text("");
} else {
Tone.Transport.start();
$(this).text("stop");
}
});
// Create 16 checkboxes with values 0-15.
for (i = 0; i<16; i++) {
$("#checkboxes").append('<input type="checkbox" timelineEvent="" value="'+i+'" >');
}
// When a checkbox status changes...
$('[type="checkbox"]').change(function() {
if (this.checked) {
// Convert this checkbox value into a 16th note in transport time. "5" = "0:1:1".
var tSig = Tone.Transport.getTimeSignature();
var tTime = "0:"+Math.floor(this.value/ tSig)+":"+this.value % tSig;
// Register the timelineEvent and save the ID so we can remove it later.
this.timelineEvent = Tone.Transport.setTimeline(function(time){
player.start(time);
}, tTime);
}
else {
// Clear a timeline event. Get the event ID that was stored in this checkbox.
Tone.Transport.clearTimeline(this.timelineEvent);
}
});
</script>
</body>
</html>