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pureTheremin wavetable.html
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pureTheremin wavetable.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Leap Motion JavaScript Sample</title>
<script src="lib/leapmin.js"></script>
<script src="lib/midiutils.js"></script>
<script src="theremin.js"></script>
<script src="wavetables/wt.js"></script>
<script>
//values to smooth fade in when hand enters camera sight
var fadeinfactor1=0;
var fadeinfactor2=0;
var fadeinSteps=0.05;
// Setup Leap loop with frame callback function
var controllerOptions = {enableGestures: true};
var theremin1= new Theremin();
theremin1.init(0);
var theremin2= new Theremin();
theremin2.init(0);
// to use HMD mode:
// controllerOptions.optimizeHMD = true;
var lastframeHandsCount=0;
Leap.loop(controllerOptions, function(frame) {
if(frame.hands.length==0&&lastframeHandsCount==1&&theremin1.playing==true){
theremin1.fadeout();
console.log("theremin1 fadeout");
fadeinfactor1=0;
}
if(frame.hands.length==1&&lastframeHandsCount==2&&theremin2.playing==true){
theremin2.fadeout();
console.log("theremin2 fadeout");
fadeinfactor2=0;
}
if(frame.hands.length==1&&lastframeHandsCount==0&&theremin1.playing==false){
theremin1.on();
console.log("theremin1 on");
}
if(frame.hands.length==2&&lastframeHandsCount==1&&theremin2.playing==false){
theremin2.on();
console.log("theremin2 on");
}
// if (frame.hands.length > 0) {
for (var i = 0; i < frame.hands.length; i++) {
processHand(frame.hands[i],i);
}
// }
if (frame.pointables.length > 0) {
var fingerTypeMap = ["Thumb", "Index finger", "Middle finger", "Ring finger", "Pinky finger"];
var boneTypeMap = ["Metacarpal", "Proximal phalanx", "Intermediate phalanx", "Distal phalanx"];
//
}
if (frame.gestures.length > 0) {
}
lastframeHandsCount=frame.hands.length;
})
function processHand(hand,id){
var x= Math.max(0,Math.min(1,(Math.abs(hand.palmPosition[0]))/350));
var y= Math.max(0, Math.min(1,1-hand.palmPosition[1]/500));
var z= Math.max(0,Math.min(1,(hand.palmPosition[2]+350)/700));
if(id==0){
if(fadeinfactor1<1)fadeinfactor1+=fadeinSteps;
theremin1.setPitchBend(x);
theremin1.setVolume(y*fadeinfactor1);
}
if(id==1){
if(fadeinfactor2<1)fadeinfactor2+=fadeinSteps;
theremin2.setPitchBend(x);
theremin2.setVolume(y*fadeinfactor2);
}
}
</script>
</head>
<body>
<h1>Leap Motion JavaScript Sample</h1>
<div id="main">
</div>
</body>
</html>