Tone.js/examples/lfoEffects.html
2019-01-08 20:21:29 -05:00

158 lines
3.8 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>LFO Effects</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">
<script src="https://unpkg.com/@webcomponents/webcomponentsjs@^2/webcomponents-bundle.js"></script>
<script src="../build/Tone.js"></script>
<script src="./js/tonejs-ui.js"></script>
</head>
<body>
<style type="text/css">
tone-content * {
margin-bottom: 50px;
}
tone-play-toggle {
margin-bottom: 10px;
}
</style>
<tone-example>
<tone-explanation label="LFO Effects">
These effects use an <a href="https://tonejs.github.io/docs/LFO">LFO</a> (Low Frequency Oscillator) to modulate the effect. Click and drag the dot to change the frequency and depth of the effect.
<br><br>
Docs on <a href="https://tonejs.github.io/docs/AutoPanner">Tone.AutoPanner</a>,
<a href="https://tonejs.github.io/docs/AutoFilter">Tone.AutoFilter</a>, and
<a href="https://tonejs.github.io/docs/Tremolo">Tone.Tremolo</a>
</tone-explanation>
<tone-content>
<tone-play-toggle id="osc0"></tone-play-toggle>
<tone-auto-panner collapsed></tone-auto-panner>
<tone-play-toggle id="osc1"></tone-play-toggle>
<tone-auto-filter collapsed></tone-auto-filter>
<tone-play-toggle id="osc2"></tone-play-toggle>
<tone-tremolo collapsed></tone-tremolo>
</tone-content>
</tone-example>
<script type="text/javascript">
//AutoPanner - a panning modulation effect
var panner = new Tone.AutoPanner({
"frequency" : 4,
"depth" : 1
}).toMaster().start();
//AutoFilter - a filter modulation effect
var filter = new Tone.AutoFilter({
"frequency" : 2,
"depth" : 0.6
}).toMaster().start();
//Tremolo - an amplitude modulation effect
var tremolo = new Tone.Tremolo({
"frequency" : 0.6,
"depth" : 0.7
}).toMaster().start();
//the input oscillators
var osc0 = new Tone.Oscillator({
"volume" : -Infinity,
"type" : "square6",
"frequency" : "C4"
}).connect(panner).start();
var osc1 = new Tone.Oscillator({
"volume" : -Infinity,
"type" : "square6",
"frequency" : "E4"
}).connect(filter).start();
var osc2 = new Tone.Oscillator({
"volume" : -Infinity,
"type" : "square6",
"frequency" : "A4"
}).connect(tremolo).start();
//bind the interface
document.querySelector("#osc0").addEventListener("change", e => {
osc0.volume.rampTo(e.detail ? 0 : -Infinity, 0.1);
});
document.querySelector("#osc1").addEventListener("change", e => {
osc1.volume.rampTo(e.detail ? 0 : -Infinity, 0.1);
});
document.querySelector("#osc2").addEventListener("change", e => {
osc2.volume.rampTo(e.detail ? 0 : -Infinity, 0.1);
});
document.querySelector("tone-tremolo").bind(tremolo);
document.querySelector("tone-auto-filter").bind(filter);
document.querySelector("tone-auto-panner").bind(panner);
/*// GUI //
Interface.Dragger({
tone : panner,
x : {
param : "frequency",
min : 0.1,
max : 8
},
y : {
param : "depth",
min : 0.5,
max : 1
},
start : function(){
osc0.volume.rampTo(0, 0.1);
},
end : function(){
osc0.volume.rampTo(-Infinity, 0.1);
}
});
Interface.Dragger({
tone : filter,
x : {
param : "frequency",
min : 0.1,
max : 8
},
y : {
param : "depth",
min : 0.5,
max : 1
},
start : function(){
osc1.volume.rampTo(0, 0.1);
},
end : function(){
osc1.volume.rampTo(-Infinity, 0.1);
}
});
Interface.Dragger({
tone : tremolo,
x : {
param : "frequency",
min : 0.1,
max : 8
},
y : {
param : "depth",
min : 0.5,
max : 1
},
start : function(){
osc2.volume.rampTo(0, 0.1);
},
end : function(){
osc2.volume.rampTo(-Infinity, 0.1);
}
});*/
</script>
</body>
</html>