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Question by knightmar · Mar 10, 2019 at 03:40 PM · cameraarrayaccessarray of gameobjectsactivate

Accessing next Camera from array

Hello, I'm doing camera swap so when Player press "C" current camera will be disabled and next camera from the array will be enabled. I know that i can't use that number to pick array element but I don't know how to do it other way. I'm not really good with arrays so I'm asking for advice. Here is part of the code:

     GameObject[] availableSpecCameras;
             int number;
             GameObject mainPlayerCamera;
         GameObject nextCamera;
         GameObject lastCamera;
             
             void Start() {
             mainPlayerCamera = GameObject.FindGameObjectWithTag("MainCamera");
             availableSpecCameras = GameObject.FindGameObjectsWithTag("SpecCamera");
             number = availableSpecCameras.Lenght;
             }
             
             void Update () {
             if (Input.GetKeyDown (KeyCode.C)) {
                         if (mainPlayerCamera.gameObject.activeInHierarchy) {
                             nextCamera = availableSpecCameras [number];
                             nextCamera.gameObject.SetActive (true);
                             mainPlayerCamera.gameObject.SetActive (false);
                                 number--;
                         } else if (number != 0) {
                             nextCamera = availableSpecCameras [number];
                             nextCamera.gameObject.SetActive (true);
                             lastCamera = availableSpecCameras [number + 1];
                             lastCamera.gameObject.SetActive (false);
                                 number--;
                         } else {
                             mainPlayerCamera.gameObject.SetActive (true);
                             lastCamera = availableSpecCameras [number];
                             lastCamera.gameObject.SetActive (false);
                             availableSpecCameras = GameObject.FindGameObjectsWithTag("SpecCamera");
                             number = availableSpecCameras.Lenght;
                         }
                     }
             }
     

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Answer by DawdleDev · Mar 10, 2019 at 04:21 PM

@knightmar Here is some much simplified code for you. First, I used a List because it's much easier to work with. You can replace it with an array and it will still work. Second, I combined "availableSpecCameras" with "mainPlayerCamera" because you don't need them separate. If you ever need to refer to the player camera, just use "Cameras[0]" and you can always find it there. Third, I removed the references to the next and previous cameras because they were unnecessary. If you need to access them, use Cameras[counter - 1] for last camera and Cameras[counter + 1] for next (if counter == 0, last is Cameras.Count, if counter == Cameras.Count, next is 0).

 List<GameObject> Cameras = new List<GameObject> ();
     int counter = 0;
 
     void Start () {
         Cameras.Add (GameObject.FindGameObjectWithTag ("MainCamera"));
         Cameras.AddRange (GameObject.FindGameObjectsWithTag ("SpecCamera"));
     }
 
     void Update () {
         if (Input.GetKeyDown (KeyCode.C)) {
             Cameras [counter].SetActive (false);
             if (counter < Cameras.Count) {
                 counter++;
             } else {
                 counter = 0;
             }
             Cameras [counter].SetActive (true);
         }
     }



Hope this helped!

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avatar image knightmar · Mar 10, 2019 at 05:58 PM 0
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It's brilliant, it's much simpler and even helps with access in next parts of my script. Thank you very much!

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