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Question by Crispinator · Oct 17, 2017 at 06:08 PM · variabletagstargettargetingtargetting

Choose a Random Tag

Basically, I have five GameObjects each with a tag that is a number between 1 and 5. I'm trying to set the tagNumber integer = a random integer between 1 and 5. Then, I want it to set the target variable equel to a GameObject with the randomly selected tag. Any help is much appreciated.

 Transform target;
 public int tagNumber;
 
 
 void Awake () {
         tagNumber = Random.Range (1, 5);
         target = GameObject.FindWithTag (tagNumber).transform;
 
     }

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avatar image PizzaPie · Oct 18, 2017 at 11:46 AM 0
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or just change it to this:

 tagNumber = Random.Range (1, 6);
 target = GameObject.FindWithTag (tagNumber.ToString()).transform;

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Answer by pako · Oct 17, 2017 at 06:36 PM

GameObject.FindWithTag(string tag) needs a string parameter, not an int.

  1. Create a string array to hold your tags e.g. string[] tagsArray = new string[5] //to hold 5 tags

  2. You can declare the array as public and enter the tag strings in the Inspector, or declare them in the array initializer.

  3. Use Random.Range to get a random index for the array e.g. for 5 tags the array length is 5, with indeces 0 to 4. So, use randomIndex = Random.Range (0, 5) //5 is excluded

  4. Then: string randomTag = tagsArray[randomIndex]

  5. Finally, target = GameObject.FindWithTag (randomTag).transform

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avatar image Crispinator · Oct 17, 2017 at 10:11 PM 0
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At which point do I declare the "randomIndex" variable?

avatar image pako Crispinator · Oct 18, 2017 at 09:21 AM 1
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Sorry I overlooked that. You can declare it inline, i.e. int randomIndex = Random.Range (0, 5);

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