ROV-control-server/example.js at master · Pitt-RAS/ROV-control-server · GitHub

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var commandAPI = new Object();


window.onload = function () {
	commandAPI.thrust = [-1, -1, 0];
	commandAPI.extend = [1, 0, 0, 0, 0, 0];
	commandAPI.claw = 0;
	commandAPI.camera = 1;
		var ws;
		var sockets = new Array();

        var init_data = function() {
			sockets.push(ws);
        	if(sockets.length = 1) {
				window.setTimeout(write_all, 1000);
			}
        }

        var write_all = function(data) {
			console.log(sockets);
			for(i = 0; i < sockets.length; i++){
				console.log(sockets[i]);
				sockets[i].send(JSON.stringify(commandAPI));
			}
			window.setTimeout(write_all, 1000);
		}

        document.getElementById('open').onclick = function(evt) {
        	evt.preventDefault();
        	var sockets = [];
		var host = 'localhost';
          	var port = '8888';
          	var uri = '/command_ws';
		ws = new WebSocket("ws://" + host + ":" + port + uri);
 		ws.onmessage = function(evt) {
            	document.getElementById('received').innerHTML = evt.data;
            	console.log(evt.data); };
 		ws.onclose = function(evt) { alert("Connection close"); };
 		ws.onopen = function(evt) {
			init_data();
		};

};
window.addEventListener("keydown", onKeyDown, false);
window.addEventListener("keyup", onKeyUp, false);
var vector=[0,0,0];
function onKeyDown(event){
var keyCode=event.keyCode;
switch(keyCode){
	case 87: //w
	vector[0] = 1;
	break;

	case 65: //a
	vector[1]=-1;
	break;

	case 83: //s
	vector[0]=-1;
	break;

	case 68: //d
	vector[1]=1;
	break;

	case 38: //Up Arrow
	vector[2]=1;
	break;

	case 40: //Down Arrow
	vector[2]=-1;
	break;
	}
	console.log(vector.toString());
	commandAPI.thrust = vector;

	}
function onKeyUp(event){
var keyCode=event.keyCode;
switch(keyCode){
	case 87: //w
	vector[0] = 0;
	break;

	case 65: //a
	vector[1]=0;
	break;

	case 83: //s
	vector[0]=0;
	break;

	case 68: //d
	vector[1]=0;
	break;

	case 38: //Up Arrow
	vector[2]=0;
	break;

	case 40: //Down Arrow
	vector[2]=0;
	break;
	}
	console.log(vector.toString());
	commandAPI.thrust = vector;
	}


};