unityevent
using UnityEngine.Events;
// UnityEvents can also be serialized to the inspector
public class Foo : MonoBehaviour {
UnityEvent action;
void Start() {
action = new UnityEvent();
action.AddListener(() => { Debug.Log("Hello world!"); });
}
void Update() {
action.Invoke();
}
}unity events
//Unity Events are great tools to create an easy workflow.
//If your callback functions require parameters, things are a little different.
//you can also try using delegates for this. (search: unity delegate)
//Class that contains the unity event (Owner Script)
using UnityEngine;
using UnityEngine.Events;
public class MyClass: MonoBehaviour
{
public UnityEvent<Params> MyEvent;
void Update()
{
if (condition)
{
//Calls all of the
MyEvent.Invoke(params);
}
}
}
//Class that adds a listener (Listener Script)
public class MyListener: MonoBehaviour
{
//You can also do this by assigning in the inspector
//Don't use the inspector to connect functions with parameters
public MyClass myClass;
void Start()
{
if(myClass == null) throw System.Exception("Can't assign listener to null.");
myClass.MyEvent.AddListener(CallBack);
}
//Called when the owner script invokes the UnityEvent with the supplied parameters.
void CallBack(params)
{
Debug.Log("Callback called!");
}
}Copyright © 2021 Codeinu
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