Connection with a MySQL Database

Question

Hello,I'm new to Unity and I have the following problems in my JS Code :

I have the following Exception when I run my Project :

"UnityException: WWW is not ready downloading yet UnityEngine.WWW.get_text () (at C:/BuildAgent/work/14194e8ce88cdf47/Runtime/ExportGenerated/Editor/Utils.cs:87) bdd_description..ctor () (at Assets/Standard Assets/bdd_description.js:6)"

ArgumentException: InitWWW can only be called from the main thread. Constructors and field initializers will be executed from the loading thread when loading a scene. Don't use t$$anonymous$$s function in the constructor or field initializers, instead move initialization code to the Awake or Start function. UnityEngine.WWW..ctor (System.String url) (at C:/BuildAgent/work/14194e8ce88cdf47/Runtime/ExportGenerated/Editor/Utils.cs:28) bdd_description..ctor () (at Assets/bdd_description.js:7)

Here is the code :

var afficher : boolean = false;

var res= "http://localhost/searchname.php";

var www : WWW = new WWW (res);

yield www;

var description=www.text;

If somebody can help me it will be great !

function OnGUI() {

 //style label
 var bulle=new GUIStyle();
 bulle.normal.textColor=Color.red;
 bulle.fontSize=15;
 bulle.fontStyle= FontStyle.Bold;
 bulle.border.right=1;
 
 var bulle2=new GUIStyle();
 bulle2.normal.textColor=Color.red;
 bulle2.fontSize=15;
 bulle2.fontStyle= FontStyle.Italic;
 bulle2.border.right=1;
 
 var info= "Immeuble" ;
 var e : Event = Event.current;
 
 if (afficher == true) {
     GUI.Label (Rect (e.mousePosition.x+20, e.mousePosition.y+20, 300, 100), info, bulle );
     GUI.Label (Rect (e.mousePosition.x+40, e.mousePosition.y+40, 300, 100), description, bulle2 );
     }

}

function OnMouseOver () { afficher = true; }

function OnMouseExit () { afficher = false; }

Answer 1

Answer by kat0r · Jan 20, 2013 at 01:17 PM

You do exactly what the compiler tells you:

InitWWW can only be called from the main thread. Constructors and field initializers will be executed from the loading thread when loading a scene. Don't use t$$anonymous$$s function in the constructor or field initializers, instead move initialization code to the Awake or Start function.

Move

 var res= "http://localhost/searchname.php";
 var www : WWW = new WWW (res);
 yield www;
 var description=www.text;

To the Awake()or Start() function.

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Answer 2

Thank you very much it seems too work like that :

 function Start() {

 var res= "http://localhost/searchname.php";

 var description=WWW(res).text;

 yield description;
 }
 var afficher : boolean = false;
 
 function OnGUI() {
         
     //style label
     var bulle=new GUIStyle();
     bulle.normal.textColor=Color.red;
     bulle.fontSize=15;
     bulle.fontStyle= FontStyle.Bold;
     bulle.border.right=1;
     
     var bulle2=new GUIStyle();
     bulle2.normal.textColor=Color.red;
     bulle2.fontSize=15;
     bulle2.fontStyle= FontStyle.Italic;
     bulle2.border.right=1;
     
     var info= "Immeuble" ;
     var e : Event = Event.current;
     
     if (afficher == true) {
         GUI.Label (Rect (e.mousePosition.x+20, e.mousePosition.y+20, 300, 100), info, bulle );
         GUI.Label (Rect (e.mousePosition.x+40, e.mousePosition.y+40, 300, 100), description, bulle2 );
         }
 }
 
 function OnMouseOver () {
 afficher = true;
 }
 
 function OnMouseExit () {
 afficher = false;
 }

But I've another problem now : how to use my variable "description" (in my function Start()) in my OnGui() function? A little help would be great ! Sorry for the newbies questions ^^

Connection with a MySQL Database

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