mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 08:38:00 +00:00
96 lines
2.5 KiB
HTML
96 lines
2.5 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>ANIMATION SYNC</title>
|
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
|
|
<link rel="icon" type="image/png" sizes="174x174" href="./style/favicon.png">
|
|
|
|
<script src="../build/Tone.js"></script>
|
|
<script src="./scripts/jquery.min.js"></script>
|
|
<script src="./scripts/draggabilly.js"></script>
|
|
<script src="./scripts/StartAudioContext.js"></script>
|
|
<script src="./scripts/Interface.js"></script>
|
|
<script src="https://tonejs.github.io/Logo/build/Logo.js"></script>
|
|
|
|
<link rel="stylesheet" type="text/css" href="./style/examples.css">
|
|
|
|
<script>
|
|
// jshint ignore: start
|
|
</script>
|
|
<style type="text/css">
|
|
#Notes{
|
|
width: 100%;
|
|
height: 20px;
|
|
margin-top: 3px;
|
|
position: relative;
|
|
}
|
|
.Note {
|
|
width: 20%;
|
|
height: 100%;
|
|
position: relative;
|
|
float: left;
|
|
background-color: black;
|
|
opacity: 0;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="Content">
|
|
<div id="Title">Synchronizing Visuals</div>
|
|
<div id="Explanation">
|
|
Audio scheduling and rendering visuals should always be kept separate. Instead of triggering visuals from within a scheduled event callback, schedule a 'deferred' callback using Tone.Draw which will be invoked on an animation frame at the exact moment of the scheduled event.
|
|
<br><br>
|
|
For more information see <a href="https://github.com/Tonejs/Tone.js/wiki/Performance">this wiki article</a>.
|
|
</div>
|
|
<div id="Notes">
|
|
<div id="C4" class="Note"></div>
|
|
<div id="E4" class="Note"></div>
|
|
<div id="G4" class="Note"></div>
|
|
<div id="B4" class="Note"></div>
|
|
<div id="D5" class="Note"></div>
|
|
</div>
|
|
</div>
|
|
|
|
<script id="ToneCode">
|
|
|
|
var piano = new Tone.Synth({
|
|
"oscillator" : {
|
|
"type" : "fmsine4",
|
|
"modulationType" : "square"
|
|
}
|
|
}).toMaster();
|
|
|
|
var loop = new Tone.Pattern(function(time, note){
|
|
piano.triggerAttackRelease(note, "16n", time);
|
|
|
|
// Draw.schedule takes a callback and a time to invoke the callback
|
|
Tone.Draw.schedule(function(){
|
|
//the callback synced to the animation frame at the given time
|
|
$("#"+note).css("opacity", 1).animate({"opacity" : 0}, 300)
|
|
}, time);
|
|
}, ["C4", "E4", "G4", "B4", "D5"]).start(0);
|
|
|
|
loop.interval = "16n";
|
|
|
|
|
|
// GUI //
|
|
|
|
Tone.Transport.lookAhead = 0.5
|
|
|
|
Interface.Button({
|
|
key : 32,
|
|
type : "toggle",
|
|
text : "Start",
|
|
activeText : "Stop",
|
|
start : function(){
|
|
Tone.Transport.start("+0.1");
|
|
},
|
|
end : function(){
|
|
Tone.Transport.stop();
|
|
}
|
|
});
|
|
</script>
|
|
</body>
|
|
</html>
|