307 lines
6.6 KiB
JavaScript
307 lines
6.6 KiB
JavaScript
// Which port do I send OSC messages to? (SupperCollider, ...)
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const OSCPORT = 57120;
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// Which port do I listen to (for visuals, calibration)
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const PORT = 6676
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// Do we have a problem, shall we debug?
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const DEBUG = true
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const express = require('express')
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const http = require('http')
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const WebSocket = require('ws')
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const osc = require('osc')
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const readline = require('readline')
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const fs = require('fs')
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const midi = require('midi')
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let midiOn = false
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let midiNotes = {}
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// Vzemi iz argumenta
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const tty = process.argv[2]
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let eulerRotation = [0, 0, 0]
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let baudrate = parseInt(process.argv[3])
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if (!baudrate) {
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baudrate = 115200
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}
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const include_files = [
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'/anim.js',
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'/control.js',
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'/osctl.js',
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'/test.js',
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'/node_modules/three/build/three.min.js',
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'/node_modules/nouislider/distribute/nouislider.min.js',
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'/node_modules/nouislider/distribute/nouislider.min.css',
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'/node_modules/osc/dist/osc-browser.js'
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];
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const app = express();
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const server = http.Server(app);
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// Odprti serijski OSC link
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let scon = null
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// Midi port
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const mo = new midi.Output()
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//mo.getPortCount()
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//mo.getPortName(0)
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//mo.openPort(0)
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mo.openVirtualPort("kegel")
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function openSerial() {
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console.log('opening ', tty, baudrate)
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scon = new osc.SerialPort({
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devicePath: tty,
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bitrate: baudrate,
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autoOpen: true,
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useSLIP: true
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})
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scon.on('open', e => {
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console.log('serial connection opened')
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//console.log(scon)
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})
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scon.on('error', e => {
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console.error('tty error', e)
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//scon.close()
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})
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scon.on('close', e => {
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console.warn('serial connection closed, restarting in 1 second')
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setTimeout(openSerial, 1000)
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})
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// Arduino OSC gre v web
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scon.on('message', msg => {
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// Debug incoming osc
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if (DEBUG) {
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console.log('osc msg', msg)
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}
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sendAll(msg, null, null, osclients)
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})
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scon.open()
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if (scon._closeCode) {
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scon = null
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console.log('restarting serial connection')
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setTimeout(openSerial, 1000)
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}
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}
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if (tty) {
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openSerial(baudrate)
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}
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app.get('/', (req, res) => {
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res.sendFile(__dirname + '/index.html');
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});
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app.get('/ctl', (req, res) => {
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res.sendFile(__dirname + '/control.html');
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});
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app.get('/test', (req, res) => {
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res.sendFile(__dirname + '/test.html');
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});
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// Hydra inclusion
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app.get('/hydra', function(req, res) {
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res.sendFile(__dirname + '/hydra-osc-main/index.html');
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});
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app.get('/lib/osc.min.js', function(req, res) {
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res.sendFile(__dirname + '/hydra-osc-main/lib/osc.min.js');
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});
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let settings = {};
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app.get('/settings', function(req, res) {
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res.send(settings);
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});
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include_files.map(function(file) {
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app.get(file, function(req, res){
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res.sendFile(__dirname + file);
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});
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});
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server.listen(PORT, () => console.log('listening on *:' + PORT))
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// Websocket init
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const wss = new WebSocket.Server({ server })
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// Relay multicast to websockets
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// @TODO still sends to supercollider? Do we need two sockets?
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/*
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var dgram = require('dgram');
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var sss = dgram.createSocket('udp4');
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sss.on('listening', () => {
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sss.addMembership('224.0.1.9');
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})
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sss.bind(6696, '224.0.1.9');
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*/
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const scudp = new osc.UDPPort({
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remotePort: OSCPORT
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//socket: sss
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})
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scudp.on('open', () => {
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console.log("UDP to OSC open")
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})
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scudp.on('message', (msg) => {
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if (DEBUG) {
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console.log('got UDP msg', msg);
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}
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osclients.forEach( client => {
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if (client) {
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//console.log("sending", msg, info)
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client.send(msg)
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}
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})
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})
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scudp.on('error', (e) => {
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console.log('UDP OSC error!', e)
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})
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scudp.open()
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function eulerFromQuaternion(quaternion) {
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// Quaternion to matrix.
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const w = quaternion[0], x = quaternion[1], y = quaternion[2], z = quaternion[3];
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const x2 = x + x, y2 = y + y, z2 = z + z;
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const xx = x * x2, xy = x * y2, xz = x * z2;
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const yy = y * y2, yz = y * z2, zz = z * z2;
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const wx = w * x2, wy = w * y2, wz = w * z2;
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const matrix = [
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1 - ( yy + zz ), xy + wz, xz - wy, 0,
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xy - wz, 1 - ( xx + zz ), yz + wx, 0,
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xz + wy, yz - wx, 1 - ( xx + yy ), 0,
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0, 0, 0, 1
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];
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// Matrix to euler
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function clamp( value, min, max ) {
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return Math.max( min, Math.min( max, value ) );
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}
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const m11 = matrix[ 0 ], m12 = matrix[ 4 ], m13 = matrix[ 8 ];
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const m21 = matrix[ 1 ], m22 = matrix[ 5 ], m23 = matrix[ 9 ];
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const m31 = matrix[ 2 ], m32 = matrix[ 6 ], m33 = matrix[ 10 ];
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var euler = [ 0, 0, 0 ];
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euler[1] = Math.asin( clamp( m13, - 1, 1 ) );
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if ( Math.abs( m13 ) < 0.9999999 ) {
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euler[0] = Math.atan2( - m23, m33 );
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euler[2] = Math.atan2( - m12, m11 );
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} else {
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euler[0] = Math.atan2( m32, m22 );
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euler[2] = 0;
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}
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return euler;
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}
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const sendAll = (msg, info, oscWS, osclients) => {
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// Reset euler rotation to 0
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if (msg.address == '/keys') {
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if (msg.args[0] && msg.args[1] && msg.args[2] && msg.args[3]) {
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eulerRotation = [0, 0, 0]
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}
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}
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// Convert quaternion diff to euler angle diff
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if (msg.address == '/quaternionDiff') {
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const euler = eulerFromQuaternion(msg.args, 'XYZ');
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sendAll({
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address: '/eulerDiff',
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args: euler
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}, info, oscWS, osclients)
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eulerRotation[0] += euler[0]
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eulerRotation[1] += euler[1]
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eulerRotation[2] += euler[2]
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sendAll({
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address: '/euler',
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args: eulerRotation
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}, info, oscWS, osclients)
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}
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if (msg.address == '/accel') {
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if (msg.args[1] > 5000) {
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console.log("SEND MIDI!")
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const visina = Math.round((msg.args[1] - 5000) / 100)
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midiNotes[visina] = true
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mo.send([144, visina, 127])
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midiOn = true
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}
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if (msg.args[1] < 5000 && midiOn) {
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Object.keys(midiNotes).forEach(visina => {
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mo.send([128, visina, 127])
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})
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midiOn = false
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}
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}
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osclients.forEach( client => {
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if (client && oscWS != client) {
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// console.log("sending", msg, info)
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client.send(msg)
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}
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})
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if (scudp) {
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if (DEBUG) {
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console.log("UDP SEND", msg)
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}
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scudp.send(msg)
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}
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}
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const osclients = []
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wss.on('connection', function (ws) {
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console.log('new client connection')
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let oscWS = new osc.WebSocketPort({
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socket: ws,
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metadata: false
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});
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// Vsi OSC sem grejo naprej na kliente OSC
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oscWS.on('packet', (packet, info) => {
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// Broadcast adjust msg
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const [address, args] = packet
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sendAll({ address, args}, info, oscWS, osclients)
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})
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oscWS.on('error', error => {
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console.warn('Ignoring invalid OSC')
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console.warn(error)
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})
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osclients.push(oscWS)
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/*
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oscWS.on('close', () => {
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oscWS = null
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})
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*/
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})
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// Zapri midi
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mo.closePort()
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