I start with WebSockets and Node, and my first client not connecting with my server.
Server:
var http = require('http'); var onRequest = function (req, res) { res.writeHead(200, {'Content-Type': 'text/plain'}); res.end('aaaaa\n'); } http.createServer(onRequest).listen(9090, '127.0.0.1'); Client:
window.onload = function() { var canvasHandle = false; var bufferHandle = false; var bufferImage = false; var WIDTH = 400; var HEIGHT = 400; var lastTime = false; var currentTime = false; var dt = false; var unitStep = 2; var unitX = new Object(); unitX.name = "John"; unitX.x = 10; unitX.y = 10; unitX.bodyWidth = 20; unitX.bodyHeight = 20; unitX.bodyColor = "rgb(0,0,255)"; var update = function(dt) { } var draw = function() { //Clear Buffer bufferHandle.fillStyle = "rgb(200,200,200)"; bufferHandle.beginPath(); bufferHandle.rect(0, 0, WIDTH, HEIGHT); bufferHandle.fill(); //Draw Objects bufferHandle.fillStyle = unitX.bodyColor; bufferHandle.beginPath(); bufferHandle.rect(unitX.x, unitX.y, unitX.bodyWidth, unitX.bodyHeight); bufferHandle.fill(); //Double Buffer bufferImage = bufferHandle.getImageData(0,0,WIDTH,HEIGHT); canvasHandle.putImageData(bufferImage,0,0); } var gameLoop = function(){ currentTime = new Date(); elapsedTime = currentTime.getTime() - lastTime.getTime(); update(elapsedTime); draw(); lastTime = currentTime; } $(document).keypress(function(evt){ switch(evt.which){ case 100: //d unitX.x += unitStep; break; default: //alert(evt.which); } }); var socket = new WebSocket("ws://127.0.0.1:9090/"); socket.onerror = function(error) { alert('Error'); }; socket.onopen = function(event) { alert('Connected'); }; socket.onmessage = function(event) { }; socket.onclose = function(event) { }; //Create Canvas bufferHandle = document.createElement('canvas'); bufferHandle.width = WIDTH; bufferHandle.height = HEIGHT; bufferHandle = bufferHandle.getContext('2d'); canvasHandle = document.getElementById('game'); canvasHandle = canvasHandle.getContext('2d'); lastTime = new Date(); setInterval( function(){ gameLoop(); }, 50 ); }; I have tried everything but did not connect to server. When I try to connect from url 'localhost:9090' it work and back to be 'aaa'. But whet I use my client script it gets an error.