const MAX_SOUND_OPERATION_NUM = 59;

const MAX_SOUND_BINARY_NUM = 3 * MAX_SOUND_OPERATION_NUM;  

​

const CUBE_ID_ARRAY = [ 0, 1, 2 ];

const SUPPORT_CUBE_NUM = CUBE_ID_ARRAY.length;

​

// Global Variables.

const gCubes = [ undefined, undefined, undefined ];

​

function setup() {

    createCanvas(windowWidth, windowHeight);

    background(100);

}

​

function draw() {

    ellipse(mouseX, mouseY, 20, 20);

}

function windowResized() {

  resizeCanvas(windowWidth, windowHeight);

    background(100);

​

}

function mouseClicked() {

    console.log( 'test');

  let fs = fullscreen();

    fullscreen(!fs);

    connectNewCube();

}

​

​

// Cube Connection

const SERVICE_UUID              = '10b20100-5b3b-4571-9508-cf3efcd7bbae';

const LIGHT_CHARCTERISTICS_UUID = '10b20103-5b3b-4571-9508-cf3efcd7bbae';

const SOUND_CHARCTERISTICS_UUID = '10b20104-5b3b-4571-9508-cf3efcd7bbae';

​

const connectNewCube = () => {

​

    const cube = { 

        device:undefined, 

        sever:undefined, 

        service:undefined, 

        soundChar:undefined, 

        lightChar:undefined 

    };

​

    // Scan only toio Core Cubes

    const options = {

        filters: [

            { services: [ SERVICE_UUID ] },

        ],

    }

​

    navigator.bluetooth.requestDevice( options ).then( device => {

        cube.device = device;

        if( cube === gCubes[0] ){

            turnOnLightCian( cube );

            const cubeID = 1;

        }else if( cube === gCubes[1] ){

            turnOnLightGreen( cube );

            const cubeID = 2;

        }

        return device.gatt.connect();

    }).then( server => {

        cube.server = server;

        return server.getPrimaryService( SERVICE_UUID );

    }).then(service => {

        cube.service = service;

        return cube.service.getCharacteristic( SOUND_CHARCTERISTICS_UUID );

    }).then( characteristic => {

        cube.soundChar = characteristic;

        return cube.service.getCharacteristic( LIGHT_CHARCTERISTICS_UUID );

    }).then( characteristic => {

        cube.lightChar = characteristic;

        if( cube === gCubes[0] ){

          turnOnLightCian( cube );

          enablePlaySampleButton();

          enablePlaySampleSEButton();

          enablePlayNoteButton();

          enablePlayPreInSEButton();

          enableMIDIButton();

        }else if( cube === gCubes[1] ){

          turnOnLightGreen( cube );

        }else{

          turnOnLightRed( cube );

        }

    });

​

    return cube;

}

​

​

// Cube Commands

// -- Light Commands

const turnOffLight = ( cube ) => {

​

    const CMD_TURN_OFF = 0x01;

    const buf = new Uint8Array([ CMD_TURN_OFF ]);

    if( ( cube !== undefined ) && ( cube.lightChar !== undefined ) ){

        cube.lightChar.writeValue( buf );

    }

​

}

​

const turnOnLightGreen = ( cube ) => {

​

    // Green light

    const buf = new Uint8Array([ 0x03, 0x00, 0x01, 0x01, 0x00, 0xFF, 0x00 ]);

    if( ( cube !== undefined ) && ( cube.lightChar !== undefined ) ){

        cube.lightChar.writeValue( buf );

    }

​

}

​

const turnOnLightCian = ( cube ) => {

​

    // Cian light

    const buf = new Uint8Array([ 0x03, 0x00, 0x01, 0x01, 0x00, 0xFF, 0xFF ]);

    if( ( cube !== undefined ) && ( cube.lightChar !== undefined ) ){

        cube.lightChar.writeValue( buf );

    }

​

}

​

const turnOnLightRed = ( cube ) => {

​

    // Red light

    const buf = new Uint8Array([ 0x03, 0x00, 0x01, 0x01, 0xFF, 0x00, 0x00 ]);

    if( ( cube !== undefined ) && ( cube.lightChar !== undefined ) ){

        cube.lightChar.writeValue( buf );

    }

​

}

​

​