一些button 监听到是很容易,一些OnClick可以满足,但是像Slider 有点繁琐 大体是这样的
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using System.Text;
public static class UnityUtility
{
public static void AddTriggersListener(GameObject obj, EventTriggerType eventID, UnityAction<BaseEventData> action)
{
EventTrigger trigger = obj.GetComponent<EventTrigger>();
if (trigger == null)
{
trigger = obj.AddComponent<EventTrigger>();
}
if (trigger.triggers.Count == 0)
{
trigger.triggers = new List<EventTrigger.Entry>();
}
UnityAction<BaseEventData> callback = new UnityAction<BaseEventData>(action);
EventTrigger.Entry entry = new EventTrigger.Entry();
entry.eventID = eventID;
entry.callback.AddListener(callback);
trigger.triggers.Add(entry);
}
}
如何使用呢?
UnityUtility.AddTriggersListener(需要绑定的物体, EventTriggerType 类型, 回调方法);
UnityUtility.AddTriggersListener(strengthSlider.gameObject, EventTriggerType.Drag, OnStrengSliderSelcet);
那么如何删除呢?
if (strengthSlider.GetComponent<EventTrigger>())
{
EventTrigger trigger = strengthSlider.GetComponent<EventTrigger>();
trigger.triggers.RemoveAll(p => true);
}
这里是全部删除了