x | El primer objeto. |
y | El objeto a comparar contrar el primero. |
Compara dos referencias de objeto para ver si se refieren al mismo objeto.
using UnityEngine;
public class Example : MonoBehaviour { public Collider target; void OnTriggerEnter(Collider trigger) { if (trigger == target) { print("We hit the target trigger"); } } }
Obtener temprano si no hay un objetivo.
using UnityEngine;
public class Example : MonoBehaviour { public Transform target; void Update() { // Early out if the target is gone if (target == null) { return; } } }
Tenga cuidado cuando compare con null
.
p.ej.
using UnityEngine;
public class Example : MonoBehaviour { void Start() { GameObject go = new GameObject(); Debug.Log(go == null); // false
Object obj = new Object(); Debug.Log(obj == null); // true } }
Instatiating a GameObject adds it to the Scene so its completely initialized (!destroyed). Instantiating a simple UnityEngine.Object has no such semantics, so the it stays in the 'destroyed' state which compares true
to null
.