살아있는 사람 카운트를 RoomData에 추가함

js/Client.js

@@ -14,6 +14,7 @@ socket.on('syncRoomData', function(msg) // {num roomNum, [] players}
     console.log(msg);
     RoomData.roomNum = msg.roomNum;
     RoomData.players = msg.players;
+    RoomData.aliveCount = msg.players.length;
 });
 socket.on('startGame', function()
 { 
@@ -41,4 +42,5 @@ socket.on('userDisconnect', function(msg) // {num index , num id, str nickname}
 {
     console.log(msg.index + ' / ' + msg.id + ' / ' + msg.nickname + ' disconnected');
     RoomData.players[msg.index].isAlive = false;
+    RoomData.aliveCount--;
 });
\ No newline at end of file

js/main.js

@@ -25,4 +25,5 @@ PlayerData.nickname = '홍길동'; //플레이어 닉네임
 var RoomData = RoomData || {};
 
 RoomData.roomNum = -1;
-RoomData.players = null;
\ No newline at end of file
+RoomData.players = null;
+RoomData.aliveCount = -1;
\ No newline at end of file