AddListener and UnityAction

Question

In some examples UnityAction is used to call different functions like this:

 UnityAction action;
 
 action = Func1;
 action();
 action = Func2;
 action();
 
 void Func1()
 {
 }
 void Func2()
 {
 }

I tried to use same approach with Button.OnClick by passing action to it and changing action somewhere else in the code like this:

 void Start()
 {
 action = Func1;
 button.onClick.AddListener(action);
 }
 void Update()
 {
 action = Func2;
 }

But it seems that doesn't change the function called on button click. Is there a way without removing and re-adding listener?

Answer 1

Best Answer

Answer by homer_3 · Apr 19 at 11:21 PM

You could do something like

 UnityAction action;

 void Start()
 {
  action = Func1;
  button.onClick.AddListener(MiddleMan);
 }
 
 void Update()
 {
  action = Func2;
 }
 
 void MiddleMan()
 {
   action();
 }
 
 void Func1()
 {
 }
 
 void Func2()
 {
 }

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AddListener and UnityAction

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