1, y: -1 };

		const socket = new WebSocket('ws://localhost:8080');

		socket.addEventListener('open', function (event) {
		    console.log('Connected');
		});

		socket.addEventListener('message', function (event) {
		    var circlesJson = JSON.parse(event.data);

		    for (var i = 0; i < circlesJson.length; i++) {
		    	var c = circlesJson[i];

		    	if ($('#' + c.id).toArray().length == 0) {
		    		$("#playground").append(`<div class="circle" id="${c.id}" style="left: ${c.x}px; top: ${