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Question by Saif Mohamd · Feb 27, 2013 at 06:34 PM · variableupdatetimereal

My variable doesn't update real-time?

Hello,

when I update the variable distance in play mode it doesn't update in real-time?

 #pragma strict
 
 var Distance: float; //Value determind how much the object is away from the mouse.
 
 
 private var hardX: float=Distance; 
 private var hardY: float=Distance;
 
 
 
 private var diff =Vector3(hardX,hardY,0);
 
 
 
 var followingObject : Transform; //The object that's gonna follow the mouse.
 
 
  
 function Update ()
 
 {
 
   var v3T = Vector3(Input.mousePosition.x+diff.x, Input.mousePosition.y+diff.y, 106.6723);
   
   v3T = Camera.main.ScreenToWorldPoint (v3T);
   
   followingObject.position = v3T;
   
 if (Input.GetKeyDown('space'))
 {
 
 Distance +=100;
 
 }
   
 }

Thanks.

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Answer by AlucardJay · Feb 27, 2013 at 08:14 PM

You cannot do calculations outside of functions.

 #pragma strict
 
 var Distance: float; // Value determind how much the object is away from the mouse.
 
 private var hardX : float; 
 private var hardY : float;
 
 private var diff : Vector3;
 
 var followingObject : Transform; // The object that's gonna follow the mouse.
 
 function Update()
 {
     hardX = Distance; 
     hardY = Distance;
 
     diff = Vector3( hardX,hardY,0 );
 
     var v3T = Vector3( Input.mousePosition.x + diff.x, Input.mousePosition.y + diff.y, 106.6723 );
 
     v3T = Camera.main.ScreenToWorldPoint( v3T );
 
     followingObject.position = v3T;
 
     if ( Input.GetKeyDown('space') )
     {
         Distance += 100;
     }
 }



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avatar image Saif Mohamd · Feb 27, 2013 at 08:22 PM 0
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Thanks, it worked, I moved them to the Update function. :)

avatar image AlucardJay · Feb 27, 2013 at 08:25 PM 0
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Sorry, I overlooked distance being modified at the end of update, but yeah you get the idea. I shall fix the answer, Happy Coding =]

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Answer by nventimiglia · Feb 27, 2013 at 07:51 PM

Set the transform. If you don't use Distance, Distance does not get used.

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avatar image Saif Mohamd · Feb 27, 2013 at 08:06 PM 0
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Thanks for the answer.

I already used a object for the transform, the problem, when I change the Distance in play mode i don't get any changes, I must change it in the actual script why ?

avatar image nventimiglia · Feb 27, 2013 at 08:14 PM 0
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You are updating some magical "distance" variable. This variables does nothing. You need to set the transform of the local object if the local object is to move. gameObject.transform.position += gameObject.transform.forward * Distance.

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