socket.on('character::updatePosition', function(position) {
    var CLIENT_ID = helper.getIp(socket);
    //debug handler
    var debug = helper.DEBUG('updatePosition', function() {
      console.log(CLIENT_ID + ' updatePosition to -->');
      console.log(position);
      return true;
    });
    //
    try {
      clients[CLIENT_ID].position.x = (position.x <= PLACE_SIZE.width && position.x >= 0) ? position.x : 0;
      clients[CLIENT_ID].position.y = (position.y <= PLACE_SIZE.height && position.y >= 0) ? position.y : 0;
      socket.broadcast.json.emit('character::updateClientPosition', clients);
      debug(true);
    } catch(e) {
      debug(false);
    };
  });