Static calls to Static GameObject

Questions & Answers
1

I have a GameObject called GameManager. I have made it static. It also has DoNotDestroyOnLoad(). Is there a way I can access it by saying GameManager.DoThis() from any scene?

2

Once Try this

public class GameManager : MonoBehaviour {
	
	public static void DoSomeThing(){
		Debug.Log("I will Call this method from another script...");
	}
}

Another Script

public class AccessMethod : MonoBehaviour {

	// Use this for initialization
	void Start () {
	   GameManager.DoSomeThing();
	}

}
3

This is called the singleton pattern. Its typically done like this.

public GameObject instance;

void Awake (){
    if(instance){
        Destroy(gameObject);
        return;
    }
    instance = gameObject;
    DontDestroyOnLoad(gameObject);
}

You can go one step further and make instance a property that will create the GameObject the first time it is called (lazy loading).

Note that you cannot have a true static GameObject. You can only fake it.