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Question by Noxury · Nov 15, 2015 at 04:48 PM · gameobjectfindnearest

Get nearest GameObject

Hello,

I have read several posts on this topic, but this has not worked for me. Here is my approach:

 var target : GameObject;
 var homing: boolean;
 
 function Start () {
     if(Rigidbody){
         GetComponent.<Rigidbody>().AddRelativeForce(0,0,10);
     }
     
     if(homing){
         FindClosest();
     }
 }
 
 function FindClosest() : GameObject {
     var gos : GameObject[];
     gos = GameObject.FindGameObjectsWithTag("Dynamic"); 
     var distance = Mathf.Infinity; 
     var position = transform.position; 
     // Iterate through them and find the closest one
     for (var go : GameObject in gos){ 
         var diff = (go.transform.position - position);
         var curDistance = diff.sqrMagnitude; 
         if (curDistance < distance){ 
             closest = go; 
             target = closest;
             distance = curDistance; 
         } 
     } 
     return closest;    
 }
 
 function Update () {
     if(homing && target != null){
         transform.LookAt(target.transform); 
     }
 }

The target variable is always empty.

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Answer by ZeraTFK · Nov 15, 2015 at 05:15 PM

Did you find the gameobjects with GameObject.FindGameObjectsWithTag("Dynamic"); ?

Try
Vector3.Distance(firstObject, secondObject) to get the distance and change var distance = Mathf.Infinity; to var distance = -1

 function FindClosest() : GameObject {
      var gos : GameObject[];
      gos = GameObject.FindGameObjectsWithTag("Dynamic"); 
      var distance = -1; 
      var position = transform.position; 
      // Iterate through them and find the closest one
      for (var go : GameObject in gos){ 
          var curDistance = Vector3.Distance(go.transform.position, position); 
          if (curDistance < distance || distance == -1){ 
              closest = go; 
              target = closest;
              distance = curDistance; 
          } 
      } 
      return closest;    
  }
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