no description yet

midi-patcher-test.js

var log = console.log.bind(console);
var data, cmd, channel, type, note, velocity;

if (navigator.requestMIDIAccess){
    navigator.requestMIDIAccess({
        sysex: false
    }).then(onMIDISuccess, onMIDIFailure);
} else {
    alert("No MIDI support in your browser.");
}

function onMIDISuccess(midiAccess) {
    midi = midiAccess;
    var inputs = midi.inputs.values();
    for (var input = inputs.next(); input && !input.done; input = inputs.next()) {
       
        if(input.value.id==1757342049){
            input.value.onmidimessage = onMIDIMessage;
            console.log('jees')
        }
        listInputs(input);
    }
    var outputs = midi.outputs.values();
    for (var output = outputs.next(); output && !output.done; output = outputs.next()) {
        listOutputs(output);
    }
    midi.onstatechange = onStateChange;
    
    inputPort = midi.inputs.get(-1686312560);
    outputPort = midi.outputs.get(789053814);

    /*
    Input port input -1686312560 Apple Inc. IAC Driver Bus 1 
    Output port output 789053814 Apple Inc. IAC Driver Bus 1 
    Input port input 1757342049 Apple Inc. IAC Driver IAC Bus 2 
    */
}

function onMIDIMessage(event) {
    console.log(event.data)
    data = event.data,
    cmd = data[0] >> 4,
    channel = data[0] & 0xf,
    type = data[0] & 0xf0,
    note = data[1],
    velocity = data[2];
    // note off: 128, cmd: 8 - note on: 144, cmd: 9
    // pressure / tilt on - pressure: 176, cmd 11: 
    // bend: 224, cmd: 14
    //console.log(cmd,channel,type,note,velocity)
    
    pathName='c'+note;
    var item=project.activeLayer.children[pathName];
    
    if(item==null){
        test=new Path();
        test.add([note*5,127])
        test.add([note*5,velocity])
        test.strokeColor="red"
        test.strokeWidth=2;
        test.name=pathName;
    }
    if(item!=null){
        item.segments[0].point.x=note*5;
        item.segments[0].point.y=127;
        item.segments[1].point.x=note*5;
        item.segments[1].point.y=127-velocity;
    }    
    
    switch (type) {
        case 144:
            noteOn(channel, note, velocity);
            console.log('noteon');
            break;
        case 128:
            noteOff(channel, note, velocity);
            console.log('noteoff');
            break;
    }
}

function onStateChange(event) {
    var port = event.port, state = port.state, name = port.name, type = port.type;
    if (type == "input") console.log("name", name, "port", port, "state", state);
    if (type == "output") console.log("name", name, "port", port, "state", state);
}
function listInputs(inputs) {var input = inputs.value;log("Input port " +input.type, input.id,input.manufacturer,input.name,input.version);}
function listOutputs(outputs) {var output = outputs.value;log("Output port " +output.type, output.id, output.manufacturer, output.name, output.version);}
function onMIDIFailure(e) {log("No access to MIDI devs or your browser doesn't WebMIDI" + e);}

currentChord=[];

keysDown=0;


function noteOn(midiChannel, midiNote, velocity) {
    //var message = [144,midiNote,velocity];
    //outputPort.send(message);
}

function noteOff(midiChannel, midiNote, velocity) {
    //var message = [128,midiNote,velocity];
    //outputPort.send(message);
}

function onFrame(){
    
}

function onKeyDown(event){
    if(event.key=="r"){
        for(var i=0;i<87;i++){
            outputPort.send([176,i,Math.floor(Math.random()*127)]);
        }
    }
    
}