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Question by GameNewb · Sep 20, 2011 at 12:29 AM · gameobjectsbooleantagsradius

Changing Booleans Throught Certain Distance

I am trying to change a boolean on a single or multiple objects through a certain radius.

I was thinking of having these variables set up

 public int Radius = 1;
 public GameObject Activate = GameObject.FindWithTag("activated");

I was thinking that you guys at unityanswers could help me make a script that would find GameObjects with the tag activated and if there in a certain distance the script placed on those objects would have a boolean and it would make it true.

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Answer by syclamoth · Sep 20, 2011 at 02:03 AM

how about this-

 public double radius = 1;

 private Transform myTrans;

 Start()
 {
     // This makes it so that you don't need to do as many inefficent
     // dynamic searches, assuming you want to do this every frame
     myTrans = transform;
 }


 // Then, wherever you need to do the check-

 GameObject[] foundObjects = GameObject.FindGameObjectsWithTag("activated");

 foreach(GameObject obj in foundObjects)
 {
     ScriptWithBooleanOnIt objScript = obj.GetComponent<ScriptWithBooleanOnIt>();
     if(objScript == null)
     {
         // This makes sure that your object in question contains the script
         continue;
     }
     // This will also set the value to false if the object goes back out of range.
     objScript.booleanValue = Vector3.Distance(obj.transform.position, myTrans.position) < radius;
 }


And then put a MonoBehaviour on every object you want to affect with this called 'ScriptWithBooleanOnIt' (name not important), and make sure it has a public bool called 'booleanValue'.

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