using UnityEngine;
using UnityEngine.EventSystems;
namespace Mx.UI
{
public class EventTriggerListener :UnityEngine.EventSystems.EventTrigger
{
public delegate void VoidDelegate(GameObject go);
public VoidDelegate onClick;
public VoidDelegate onDown;
public VoidDelegate onEnter;
public VoidDelegate onExit;
public VoidDelegate onUp;
public VoidDelegate onSelect;
public VoidDelegate onUpdateSelect;
/// <summary>
/// 得到“监听器”组件
/// </summary>
/// <param name="go">监听的游戏对象</param>
/// <returns>
/// 监听器
/// </returns>
public static EventTriggerListener Get(GameObject go)
{
EventTriggerListener lister = go.GetComponent<EventTriggerListener>();
if (lister==null)
{
lister = go.AddComponent<EventTriggerListener>();
}
return lister;
}
public override void OnPointerClick(PointerEventData eventData)
{
if (onClick != null)
{
onClick(gameObject);
}
}
public override void OnPointerDown(PointerEventData eventData)
{
if (onDown != null)
{
onDown(gameObject);
}
}
public override void OnPointerEnter(PointerEventData eventData)
{
if (onEnter != null)
{
onEnter(gameObject);
}
}
public override void OnPointerExit(PointerEventData eventData)
{
if (onExit != null)
{
onExit(gameObject);
}
}
public override void OnPointerUp(PointerEventData eventData)
{
if (onUp != null)
{
onUp(gameObject);
}
}
public override void OnSelect(BaseEventData eventBaseData)
{
if (onSelect != null)
{
onSelect(gameObject);
}
}
public override void OnUpdateSelected(BaseEventData eventBaseData)
{
if (onUpdateSelect != null)
{
onUpdateSelect(gameObject);
}
}
}//Class_end
}
通常我们在Unity给按钮或者图片添加EventeTrigger事件都需要手动添加组件,或者通过代码继承系统提供接口实现功能。这样使用起来比较麻烦,所以参考网上资料总结写了一个自定义的EventTriggerListener类,专门用于添加事件。- y1 [7 @& j( c4 g. l3 X
EventTriggerListener类,不需要挂载到物体上,继承EventTrigger,作为Common类直接使用: & M/ v. f' I0 u. L* s5 y! b: T* v+ j7 d$ c" ?/ Z- x