Created
April 11, 2016 14:22
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| var sitedata = { | |
| connectedUsers: 0 | |
| } | |
| io.on('connection', function(socket) { | |
| var userdata = { | |
| joined: false | |
| } | |
| // connected users stuff | |
| socket.on('join', function() { | |
| if(userdata.joined) return; // User already joined | |
| // Set joined to true | |
| userdata.joined = true; | |
| // Add a new user | |
| sitedata.connectedUsers++; | |
| // Emit to all clients how many users are connected | |
| io.emit('connectedUsers', { | |
| num: sitedata.connectedUsers | |
| }); | |
| }); | |
| // disconnected users stuff | |
| socket.on('disconnect', function() { | |
| // so we don't go -1, -2 (just to be sure, should not happen though) | |
| if(sitedata.connectedUsers > 0) { | |
| // remove the user from connected | |
| sitedata.connectedUsers--; | |
| // emit to all clients new connected user count | |
| io.emit('connectedUsers', { | |
| num: sitedata.connectedUsers | |
| }); | |
| } | |
| }); | |
| }); |
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