Created
August 6, 2019 12:05
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A demo of an MPE controller in Flocking.js
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<html> | |
<head> | |
<script src="lib/flocking/dist/flocking-all.js"></script> | |
<style> | |
body{ | |
padding: 0; | |
margin: 0; | |
} | |
#meter{ | |
box-sizing: border-box; | |
position: fixed; | |
bottom: 0; | |
left: 0; | |
border: 3px solid grey; | |
border-radius: 15px; | |
width: 100%; //fallback | |
width: 100vw; | |
height: 75px; | |
} | |
</style> | |
</head> | |
<body> | |
<input type="checkbox" id="starter" name="starter"><span >start audio</span> | |
<script> | |
document.getElementById('starter').onclick= function(){ | |
if (this.checked){ | |
flock.webAudio.audioSystem.audioContextSingleton.resume(); | |
}else{ | |
flock.enviro.shared.stop(); | |
} | |
}; | |
</script> | |
<canvas id="meter"></canvas> | |
<script> | |
var basssynth = flock.synth.polyphonic({ | |
synthDef: { | |
ugen: "flock.ugen.distortion.tarrabiaDeJong", | |
id: "disto", | |
mul: { | |
id: "env", | |
ugen: "flock.ugen.asr", | |
attack: 0.1, | |
release: 1, | |
gate: 0, | |
mul: 0.35 | |
}, | |
amount: .2, | |
source: { | |
ugen: "flock.ugen.saw", | |
freq: { | |
id: "mod", | |
ugen: "flock.ugen.square", | |
mul: { | |
ugen: "flock.ugen.sin", | |
mul: 30, | |
freq: 4 | |
}, | |
add: 100 | |
} | |
} | |
} | |
}); | |
var mpe = flock.midi.connection({ | |
openImmediately: true, | |
ports: { | |
input: { | |
name: "Seaboard BLOCK" | |
} | |
}, | |
listeners: { | |
noteOn: function(msg){ | |
basssynth.noteOn(msg.channel, { | |
"disto.amount": (msg.velocity/127), | |
"mod.add": flock.midiFreq(msg.note), | |
"env.mul": Math.pow(10,((msg.velocity/12.7)-11)/20) | |
}); | |
}, | |
noteOff: function(msg){ | |
basssynth.noteOff(msg.channel); | |
}, | |
control: function(msg){ | |
if( basssynth.voiceAllocator.activeVoices[msg.channel] !== undefined) | |
basssynth.voiceAllocator.activeVoices[msg.channel].set("mod.mul.freq", msg.value-60); | |
}, | |
aftertouch: function(msg){ | |
if( basssynth.voiceAllocator.activeVoices[msg.channel] !== undefined) | |
basssynth.voiceAllocator.activeVoices[msg.channel].set( "env.mul", Math.pow(10,((msg.pressure/12.7)-11)/20) ); | |
}, | |
} | |
}); | |
</script> | |
<script> | |
flock.enviro.shared.play(); | |
</script> | |
</body> | |
</html> |
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