GoogleVRForUnity✨一款常用的谷歌VR插件教程

using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;

public class SkodeGazeEvent : MonoBehaviour
{
    private EventTrigger myEventTrigger;

    [Header("长凝视时长")] public float longGazeTime = 2;
    private float tempGazeTime;

    public UnityEvent pointerEnterEvent;
    public UnityEvent pointerExitEvent;
    public UnityEvent longGazeEvent;

    private void Awake()
    {
        myEventTrigger = GetComponent<EventTrigger>() ?? gameObject.AddComponent<EventTrigger>();
    }

    private void Start()
    {
        EventTrigger.Entry entryEnter = new EventTrigger.Entry
        {
            eventID = EventTriggerType.PointerEnter,
            callback = new EventTrigger.TriggerEvent()
        };
        entryEnter.callback.AddListener(PointerEnter);
        myEventTrigger.triggers.Add(entryEnter);

        EventTrigger.Entry entryExit = new EventTrigger.Entry
        {
            eventID = EventTriggerType.PointerExit,
            callback = new EventTrigger.TriggerEvent()
        };
        entryExit.callback.AddListener(PointerExit);
        myEventTrigger.triggers.Add(entryExit);
    }

    private void PointerEnter(BaseEventData arg0)
    {
        tempGazeTime = longGazeTime;
        pointerEnterEvent?.Invoke();
    }

    private void PointerExit(BaseEventData arg0)
    {
        tempGazeTime = 0;
        pointerExitEvent?.Invoke();
    }

    private void Update()
    {
        if (tempGazeTime <= 0)
            return;

        tempGazeTime -= Time.deltaTime;

        if (tempGazeTime <= 0)
        {
            longGazeEvent?.Invoke();
        }
    }
}