demo.js

const VGen = require("./vgen-xbox.js")
const _vgen = new VGen();

try {
    // Try plugging in first controller
    _vgen.plugin(1);
    startDemo();
}
catch (e) {
    // Exception most probably due to drivers not installed
    _vgen.installDriver(() => {
        _vgen.plugin(1);
        startDemo();
    });
}

function startDemo() {
    console.log("starting demo");
    rLeft(0);
    rRight(0);
    buttons(0);
    dpad(0);
}

function rLeft(x) {
    _vgen.setAxisL(1, Math.sin(x), Math.cos(x));
    
    setTimeout(function() {
        rLeft(x + 0.1);
    }, 100);
}

function rRight(x) {
    _vgen.setAxisR(1, Math.sin(x), Math.cos(x));

    setTimeout(function() {
        rRight(x + 0.1);
    }, 100);
}

function dpad(x) {
    var arr = [];
    arr[0] = _vgen.Dpad.NONE;
    arr[1] = _vgen.Dpad.UP;
    arr[2] = _vgen.Dpad.UP_RIGHT;
    arr[3] = _vgen.Dpad.RIGHT;
    arr[4] = _vgen.Dpad.DOWN_RIGHT;
    arr[5] = _vgen.Dpad.DOWN;
    arr[6] = _vgen.Dpad.DOWN_LEFT;
    arr[7] = _vgen.Dpad.LEFT;
    arr[8] = _vgen.Dpad.UP_LEFT;
    arr[9] = _vgen.Dpad.UP;    

    _vgen.setDpad(1, arr[x]);

    setTimeout(function() {
        dpad((x + 1) % arr.length);
    }, 250);
}

function buttons(x) {
    var arr = [];
    arr[0] = _vgen.Buttons.A;
    arr[1] = _vgen.Buttons.B;
    arr[2] = _vgen.Buttons.X;
    arr[3] = _vgen.Buttons.Y;
    arr[4] = _vgen.Buttons.LEFT_SHOULDER;
    arr[5] = _vgen.Buttons.RIGHT_SHOULDER;
    arr[6] = _vgen.Buttons.BACK;
    arr[7] = _vgen.Buttons.START;
    arr[8] = _vgen.Buttons.LEFT_THUMB;
    arr[9] = _vgen.Buttons.RIGHT_THUMB;

    _vgen.setButton(1, arr[0] | arr[1] 
        | arr[2] | arr[3] 
        | arr[4] | arr[5] 
        | arr[6] | arr[7] 
        | arr[8] | arr[9], false);
    _vgen.setButton(1, arr[x], true);

    setTimeout(function() {
        buttons((x + 1) % arr.length);
    }, 250);
}