How to send multiple values from browser to unity webgl game?

Question

I’ve seen in the docs that I can communicate from my website with the unity app by sending messages:

 SendMessage('MyGameObject', 'MyFunction', 'MyValue');

but how can I send multiple values down to the function of that object using only one SendMessage? Maybe that function needs several values… Or can I pass some object and parse it with C#?

Thank you

Answer 1

Best Answer

Answer by chitzui · Feb 12, 2018 at 05:46 PM

So as it does not seem to be possible to send anything else than numbers and strings. The solution I came up with for now is sending a string with JS and then parsing it inside C#:

In Javascript Browser Code:

 gameInstance.SendMessage(

     'Cylinder', 'HandleRotationString', '10|0|30'

  );

In C# Unity Code:

 void HandleRotationString(string coordinates) {

     string[] coord = coordinates.Split('|');

     float x = float.Parse(coord[0]);
     float y = float.Parse(coord[1]);
     float z = float.Parse(coord[2]);

     // ... use variables

 }

I hope it helps someone.

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iSinner · Feb 01, 2019 at 08:29 AM 0

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You could use JSON for this purpose. That would do the parsing for you.

Jadara iSinner · Sep 12, 2020 at 05:41 PM 0

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This is the best answer when you are dealing with more complex data like arrays and classes, I don't even know why I didn't think of this. Just parsing it to and from JSON with JsonUtility.

JCStudio · Nov 05, 2020 at 09:30 AM 0

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hello

but how to send if string is variable. I use

            .....
            .....
            var buffer = _malloc(bufferSize);
     stringToUTF8(returnStr, buffer, bufferSize);                    
     unityInstance.Send$$anonymous$$essage 
                          ('XYZTPanelOfProjects','UploadingObjectJavascript',buffer);
     
     return buffer;

For 'Send$$anonymous$$essage' i get error For 'return buffer' i get valid data

What is wrong, some help I appreciate for me

Thanks

JCD

How to send multiple values from browser to unity webgl game?

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In Javascript Browser Code:

In C# Unity Code:

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