添加输入系统帮助

Runtime/Helper/EventSystemHelper.cs

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+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using XericLibrary.Runtime.MacroLibrary;
+
+namespace XericUI.Helper
+{
+    /// <summary>
+    /// UI输入系统帮助
+    /// </summary>
+    public static class EventSystemHelper
+    {
+        #region 字段属性
+
+        private static int raycastResultsFrameIndex = -1;
+        public static List<RaycastResult> raycastResults = new List<RaycastResult>();
+
+        #endregion
+
+        #region 辅助功能
+
+        /// <summary>
+        /// 根据重载可选覆盖返回的事件系统
+        /// </summary>
+        /// <param name="overrideEventSystem"></param>
+        /// <returns></returns>
+        private static EventSystem GetEventSystem(EventSystem overrideEventSystem = null)
+            => overrideEventSystem == null
+                ? EventSystem.current
+                : overrideEventSystem;
+
+        /// <summary>
+        /// 当前是否步进帧
+        /// </summary>
+        /// <param name="frameIndex"></param>
+        /// <param name="holdon">保持状态</param>
+        /// <returns></returns>
+        private static bool IsFrameIndexChange(ref int frameIndex, bool holdon = false)
+        {
+            if (frameIndex == Time.frameCount)
+                return false;
+            if (holdon)
+                return true;
+            frameIndex = Time.frameCount;
+            return true;
+        }
+
+        #endregion
+
+        #region 光标在其上
+
+        /// <summary>
+        /// 判断当前光标是否处于任意UI对象上
+        /// </summary>
+        /// <param name="overrideEventSystem"></param>
+        /// <returns></returns>
+        public static bool IsPointerOverGameObject(EventSystem overrideEventSystem = null)
+        {
+            overrideEventSystem = GetEventSystem(overrideEventSystem);
+            return overrideEventSystem.IsPointerOverGameObject();
+        }
+
+        /// <summary>
+        /// 自动更新射线监测
+        /// </summary>
+        /// <param name="overrideEventSystem"></param>
+        /// <returns></returns>
+        public static List<RaycastResult> GetRaycastAllResults(EventSystem overrideEventSystem = null)
+        {
+            if (!IsFrameIndexChange(ref raycastResultsFrameIndex))
+                return raycastResults;
+
+            overrideEventSystem = GetEventSystem(overrideEventSystem);
+            var pointerData = new PointerEventData(overrideEventSystem)
+            {
+                position = Input.mousePosition
+            };
+            overrideEventSystem.RaycastAll(pointerData, raycastResults);
+            return raycastResults;
+        }
+
+        /// <summary>
+        /// 判断当前光标是否处于特定组件上
+        /// </summary>
+        /// <param name="component">返回找到的组件</param>
+        /// <param name="compatibility">是否启用兼容性，当在所有击中的元素上找不到目标时，继续向上查找</param>
+        /// <param name="overrideEventSystem"></param>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        public static bool IsPointerOverUIWithComponent<T>(out T component, bool compatibility = true, EventSystem overrideEventSystem = null)
+            where T : Component
+        {
+            var results = GetRaycastAllResults(overrideEventSystem);
+            if (results.Count <= 0)
+            {
+                component = null;
+                return false;
+            }
+            component = results
+                .Select(a => a.gameObject.GetComponent<T>())
+                .FirstOrDefault(a => a != null);
+            if (compatibility && component == null)
+                component = results[^1].gameObject.GetComponentInParent<T>();
+            return component != null;
+        }
+        
+        #endregion
+    }
+}

Runtime/Helper/EventSystemHelper.cs.meta

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+fileFormatVersion: 2
+guid: d2386c74c7b74a18b9656a435572352d
+timeCreated: 1753776710