Question

所以我正在建立一个三个js的游戏，并尝试通过socket.io进行多人游戏，所以我将所有角色加载到一个名为“我的服务器端的玩家”的阵列中

然后我将它传递给每个客户端，如此连接

Select     A.subtaskID, 
           A.subtaskQueueID, 
           A.subtaskName, 
           B.timeComplete, 
           B.jobID, 
           B.approver 
From       Job_subtasks        A 
Left Join  Job_subtasks_status B  On  A.subtaskID = B.subtaskID 
                                  And B.subtaskID = 2 
                                  And B.jobID = 840

在我的客户端上，syncPlayers看起来像这样

socket.on('addPlayer', function(username) {
    players.push(username)
    console.log(username + " joined")
    console.log("online Users " + players)
    socket.broadcast.emit('syncPlayers', players)
    socket.emit('syncPlayers', players)
})

然后它调用这个发送服务器数据

socket.on('syncPlayers', function(players) {
    players.forEach(function(value) {
        if (value == username) {
            console.log("not adding " + value + " thats you ")
            loadPlayerdata(username)
        } else {
            console.log("player Online " + value);
            newplayer = value;
            loadPlayerdata(newplayer)
            addPlayer(newplayer)
        }
    });
})

然后调用它并检索玩家名称和玩家位置的数据这是我的问题所在

function loadPlayerdata(playerName) {
    console.log(playerName)
    console.log("phase1")
    socket.emit('loadPlayerdata', playerName)
}

我一直在socket.on('loadPlayerdata', function(data, username) { toMove = threeObjects[username + "Char"] if (data == "null" || "") { console.log(username + " is new") } else { console.log(username + " Exists") console.log(toMove) toMove.position.set(world.spawnPointx, world.spawnPointy, world.spawnPointz) }

即使我可以使用这个

Uncaught TypeError: Cannot read property 'position' of undefined

顺便说一句，我有一个对象

function addPlayer(playerName) {

    var charObjectName = playerName + "Char"
    var threeObject = models.tent1.mesh.clone();
    scene.add(threeObject)



    //threeObject.position.set(world.spawnPointx, world.spawnPointy, world.spawnPointz)
    // set reference
    threeObjects[charObjectName] = threeObject;
}

有人可以解释为什么它不会工作以及如何解决它

Answer 1

您可以阅读this答案，了解点和括号表示法之间的区别。

您收到错误，因为tomove似乎未定义，如果有任何新用户加入且对象为空，则点符号将抛出错误。

检查这是否有帮助。这会将对象键分配为用户名和位置作为一个值，这将是这样的数组， {"usernamechar": {"position": [x,y,z]}}

socket.on('loadPlayerdata', function(data, username) {
    if (data == "null" || "") {
        console.log(username + " is new")
    } else {
        console.log(username + " Exists")
        threeObjects[username + "Char"]["position"] = [world.spawnPointx, world.spawnPointy, world.spawnPointz] 
    }
}

变量未定义，即使代码在其他地方工作

1 个答案: