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Question by Selphie · Apr 07, 2013 at 03:15 AM · c#errorforeachtargeting

Targeting Issue Error

Okay here is my Script (Using C#)

using UnityEngine; using System.Collections; using System.Collections.Generic;

public class Targetting : MonoBehaviour {
public List targets;

// Use this for initialization void Start () { targets = new List();

 AddAllEnemies();
 

}

 public void AddAllEnemies()    

{

GameObject go =GameObject.FindGameObjectWithTag("Enemy");

foreach (GameObject enemy in go) AddTarget(enemy.transform); }

public void AddTarget(Transform enemy) { targets.Add(enemy); }

//Update is called once per frame void Update () {

} }

My Error: foreach statement cannot operate on variables of type unityengine gameobject because it does not contain a definition for 'GetEnumerator' or is not accessible

I'm clueless with Scripting never done it before but I'm in the process of learning so any help would be greatly appreciated, thanks =D

This is also my first of probably many posts on here heehee

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Answer by mhtraylor · Apr 07, 2013 at 04:56 AM

Check the documentation for GameObject. It appears you've probably confused GameObject.FindWithTag() with GameObject.FindGameObjectsWithTag(). The former returns a single GameObject that has a given tag, the latter an array of these GameObjects. So your code here

 GameObject go = GameObject.FindGameObjectWithTag("Enemy")

should probably be something like

 GameObject[] goArray = GameObject.FindGameObjectsWithTag("Enemy")

You can then iterate over this array like you wish with foreach...; also check out the MSDN docs about Collections, which has links on how to use native arrays and .NET collections, as well explaining the "GetEnumerator" business. Hope that helps.

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