2014-09-12 00:36:56 +00:00
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<html>
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<head>
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<title>SHINY</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
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<script type="text/javascript" src="./deps/jquery.min.js"></script>
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<script type="text/javascript" src="./deps/jquery-ui.js"></script>
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<script type="text/javascript" src="./deps/jquery.ui.touch-punch.js"></script>
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<script type="text/javascript" src="../build/Tone.js"></script>
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<script type="text/javascript" src="../build/Tone.Preset.js"></script>
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<script type="text/javascript" src="./Widgets.js"></script>
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<script type="text/javascript" src="./ExampleList.js"></script>
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<link rel="stylesheet" type="text/css" href="./style/widgets.css">
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<link rel="stylesheet" type="text/css" href="./style/jquery-ui.css">
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</head>
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<body>
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<div id="Container">
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<div id="Explanation">
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Play Along
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<br>
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<br>
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Touch/Mouse and drag to play along with the probabilistic backtrack. X = pitch, Y = modulation.
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</div>
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<div id="Content">
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<div id="Loading">LOADING...</div>
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</div>
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</div>
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<script type="text/javascript">
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/* global Tone, GUI*/
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var loadedCount = 0;
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function sampleLoaded(){
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loadedCount++;
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if (loadedCount == 2){
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$("#Loading").remove();
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startButton.enable();
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}
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}
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//DRUMS//
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//hats
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var crusher = new Tone.BitCrusher(5);
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crusher.setWet(0.4);
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var hats = new Tone.Sampler({
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"url" : "./audio/505/hh.mp3",
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"load" : sampleLoaded,
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"envelope" : {
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"attack" : 0.001,
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"decay" : 0.02,
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"sustain" : 0.01,
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"release" : 0.01
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},
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"filterEnvelope" : {
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"attack" : 0.001,
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"decay" : 0.02,
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"sustain" : 1,
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"min" : 6000,
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"max" : 600
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},
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"filter" : {
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"type" : "highpass"
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}
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});
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hats.connect(crusher);
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hats.setVolume(-40);
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//snare
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var snare = new Tone.Sampler({
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"url" : "./audio/505/snare.mp3",
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"load" : sampleLoaded,
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"envelope" : {
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"attack" : 0.01,
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"decay" : 0.05,
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"sustain" : 0
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},
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"filterEnvelope" : {
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"attack" : 0.001,
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"decay" : 0.01,
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"sustain" : 0,
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"min" : 3000,
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"max" : 10000
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},
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});
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snare.connect(crusher);
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//snare
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var kick = new Tone.MonoSynth();
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kick.setPreset("Kick");
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kick.set({
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"envelope" : {
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"attack" : 0.001,
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"decay" : 0.2,
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"sustain" : 0
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},
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"filterEnvelope" : {
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"attack" : 0.005,
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"decay" : 0.005,
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"sustain" : 0,
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"min" : 60,
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"max" : 180
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},
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"filter" : {
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"type" : "lowpass",
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"Q" : 20
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}
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});
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kick.setVolume(-18);
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var eq = new Tone.EQ(4, -20, 0);
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kick.connect(eq);
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var drumCompress = Tone.context.createDynamicsCompressor();
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drumCompress.threshold.value = -30;
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drumCompress.ratio.value = 6;
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drumCompress.attack.value = 0.01;
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drumCompress.release.value = 0.01;
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drumCompress.toMaster();
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eq.connect(drumCompress);
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crusher.connect(drumCompress);
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//BASS//
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var bass = new Tone.FMSynth();
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bass.setPreset("ScratchAttack");
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bass.set({
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"harmonicity" : 1,
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"modulationIndex" : 0.5,
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"modulator" : {
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"filter" : {
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"type" : "lowpass"
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}
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},
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"carrier" : {
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"envelope" : {
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"decay" : 1
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}
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}
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});
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bass.setVolume(-10);
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bass.toMaster();
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var synth = new Tone.DuoSynth();
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synth.setPreset("Unicorn");
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synth.toMaster();
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synth.setVolume(-10);
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var synthNotes = ["C2", "E2", "G2", "A2", "C3", "D3", "E3", "G3", "A3", "B3", "C4", "D4", "E4", "G4", "A4", "B4", "C5"];
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var highHatNotes = [];
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for (var i = 0; i < 16*4; i++){
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var probability = (i % 2) === 0 ? 1 : 0.2;
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highHatNotes.push([i+"*16n", probability]);
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}
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var Score = {
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"hats" : highHatNotes,
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"kick" : [["0", 1],["0:2", 1], ["1:0", 1],["1:2", 1], ["1:3:2", 0.3], ["2:0", 1],["2:2", 1], ["3:0", 1],["3:2", 1], ["3:3:2", 0.5]],
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"snare" : ["0:1", "0:3", "1:1", "1:3", "2:1", "2:3", "3:1", "3:3"],
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"bass" : [["0:0", "C2", "4n + 8n", 1], ["0:2", "C2", "8n", 0.5], ["0:2 + 4t", "C2", "8n", 0.2], ["0:2 + 4t*2", "C2", "8n", 0.7],
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["1:0", "C2", "4n + 8n", 1], ["1:2", "C2", "8n", 0.5], ["1:2 + 4t", "C2", "8n", 0.2], ["1:2 + 4t*2", "E2", "8n", 0.7],
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["2:0", "F2", "4n + 8n", 1], ["2:2", "F2", "8n", 0.5], ["2:2 + 4t", "F2", "8n", 0.2], ["2:2 + 4t*2", "F2", "8n", 0.7],
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["3:0", "F2", "4n + 8n", 1], ["3:2", "F2", "8n", 0.5], ["3:2 + 4t", "F2", "8n", 0.2], ["3:2 + 4t*2", "B1", "8n", 0.7]]
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};
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var globalProbability = 0;
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var probabilityLFO = 0;
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//modulate the globalProbability
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setInterval(function(){
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globalProbability = (Math.cos(probabilityLFO + Math.PI) + 1)/2;
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probabilityLFO += 0.1;
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}, 1000);
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//16th notes
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Tone.Note.route("hats", function(time, probability){
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if (Math.random() < probability + globalProbability / 2){
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2014-09-20 23:24:34 +00:00
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hats.triggerAttackRelease(0,"8n", time);
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2014-09-12 00:36:56 +00:00
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}
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});
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Tone.Note.route("kick", function(time, probability){
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if (Math.random() < probability + globalProbability){
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kick.triggerAttack("C2", time);
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}
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});
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Tone.Note.route("snare", function(time){
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2014-09-20 23:24:34 +00:00
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snare.triggerAttack(0, time);
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2014-09-12 00:36:56 +00:00
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});
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Tone.Note.route("bass", function(time, note, duration, probability){
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if (Math.random() < probability + globalProbability){
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2014-09-16 01:45:57 +00:00
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bass.triggerAttack(note, time);
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2014-09-12 00:36:56 +00:00
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}
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});
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//create events for all of the notes
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Tone.Note.parseScore(Score);
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//setup the transport looping
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Tone.Transport.setLoopStart(0);
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Tone.Transport.setLoopEnd("4:0");
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Tone.Transport.loop = true;
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Tone.Transport.setBpm(125);
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// GUI //
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var content = $("#Content");
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new GUI.TopBar(Tone);
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//setup the touch interface
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var size = 300;
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var canvas = $("<canvas>").appendTo(content).css({
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"width" : size,
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"height" : size
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});
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var context = canvas[0].getContext("2d");
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context.canvas.width = size;
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context.canvas.height = size;
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//setup the events
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var mouseIsDown = false;
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var circles = [];
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canvas.on("mousemove touchmove", function(e){
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if (mouseIsDown){
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e.preventDefault();
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getTouchXY(e);
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//choose the note
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var normalizedX = e.offsetX / size;
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var normalizedY = e.offsetY / size;
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var note = synthNotes[Math.floor(normalizedX * synthNotes.length)];
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synth.setNote(note);
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//set the vibrato amount
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synth.setVibratoAmount(normalizedY * 1.5);
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circles.push({
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x : e.offsetX,
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y : e.offsetY
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});
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}
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})
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.on("mousedown touchstart", function(e){
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mouseIsDown = true;
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getTouchXY(e);
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e.preventDefault();
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var normalizedX = e.offsetX / size;
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var note = synthNotes[Math.floor(normalizedX * synthNotes.length)];
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synth.triggerAttack(note);
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circles = [];
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circles.push({
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x : e.offsetX,
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y : e.offsetY
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});
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})
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.on("mouseup touchend mouseout", function(){
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mouseIsDown = false;
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synth.triggerRelease();
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context.clearRect(0, 0, size, size);
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circles = [];
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});
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function getTouchXY(e){
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var offset = canvas.offset();
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if (e.originalEvent.touches){
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e.offsetX = e.originalEvent.touches[0].pageX - offset.left;
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e.offsetY = e.originalEvent.touches[0].pageY - offset.top;
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}
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}
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setInterval(function(){
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if (circles.length === 0){
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return;
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}
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//draw the points
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context.clearRect(0, 0, size, size);
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context.strokeStyle = "black";
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context.lineWidth = 2;
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var twoPi = Math.PI * 2;
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if (circles.length > 1){
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circles.shift();
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for (var i = 0, len = circles.length; i < len; i++){
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var circle = circles[i];
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context.beginPath();
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var radius = (i / (len - 1)) * 30 + 1;
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context.arc(circle.x, circle.y, radius, 0, twoPi, false);
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context.stroke();
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}
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} else if (circles.length === 1){
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var circle = circles[0];
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context.beginPath();
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var radius = 30;
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context.arc(circle.x, circle.y, radius, 0, twoPi, false);
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context.stroke();
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}
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}, 20);
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//the transport controls
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var startButton = new GUI.Checkbox(content, function(down){
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if (down){
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Tone.Transport.start();
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} else {
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Tone.Transport.stop();
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}
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}, "start", "stop");
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startButton.disable();
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</script>
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<style type="text/css">
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#Content {
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text-align: center;
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width: 300px;
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}
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.Checkbox {
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margin-top: 10px;
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width: 100%;
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}
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.ValueMeter {
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margin-top: 10px;
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width: 100%;
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|
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}
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#Score {
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|
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white-space: pre;
|
|
|
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|
}
|
|
|
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canvas {
|
|
|
|
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width: 300px;
|
|
|
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|
height: 300px;
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|
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|
border: 1px solid black;
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|
|
|
cursor: pointer;
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|
|
|
}
|
|
|
|
|
</style>
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|
|
|
|
</body>
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|
|
|
</html>
|
