2401testsockets

var socket = io.connect(":30000?sketch=1373146");

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(255);

  socket.on('iamdrawing', someoneIsDrawing);  //when "iamdrawing" messages is received from server, set "someoneIsDrawing" function to be called

  socket.on('hello!', someoneJoined);  //when "hello!" messages is received from server, set "someoneJoined" function to be called

  socket.emit('hello!'); //let's send a message to anyone in the room

}

​

function draw() {

    noStroke();

    fill(30,30,30,90);

    var radius = Math.abs(mouseX-pmouseX)/3+Math.abs(mouseY-pmouseY)/3;

    ellipse(mouseX, mouseY, radius, radius);

    socket.emit('iamdrawing',mouseX, mouseY,radius);

}

function someoneIsDrawing(x,y,r){  //this function will be called to draw a red ellipse for guest user

  noStroke();

  fill(255,0,0,90);

  ellipse(x,y, r, r);

}

​

function someoneJoined(){  //this function will be called to notify users when a new user joins

  print('New user joined!');

}