基础内容

必要插件安装
缓动曲线和动画基础
ElementFolder，Track与其次级模块，PathNode重构

Assets/Modern UI Pack/Scripts/Notification/NotificationManager.cs

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+using System.Collections;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+using TMPro;
+
+namespace Michsky.MUIP
+{
+    [DisallowMultipleComponent]
+    [RequireComponent(typeof(Animator))]
+    public class NotificationManager : MonoBehaviour, IPointerClickHandler
+    {
+        // Content
+        public Sprite icon;
+        public string title = "Notification Title";
+        [TextArea(1, 4)] public string description = "Notification description";
+
+        // Resources
+        public Animator notificationAnimator;
+        public Image iconObj;
+        public TextMeshProUGUI titleObj;
+        public TextMeshProUGUI descriptionObj;
+
+        // Settings
+        public bool enableTimer = true;
+        public float timer = 3f;
+        [SerializeField] private bool useCustomContent = false;
+        public bool closeOnClick = false;
+        public bool useStacking = false;
+        [HideInInspector] public bool isOn;
+        public StartBehaviour startBehaviour = StartBehaviour.Disable;
+        public CloseBehaviour closeBehaviour = CloseBehaviour.Disable;
+        public SlideDirection slideDirection = SlideDirection.Default;
+
+        // Events
+        public UnityEvent onOpen = new UnityEvent();
+        public UnityEvent onClose = new UnityEvent();
+
+        public enum StartBehaviour { None, Disable, Open }
+        public enum CloseBehaviour { None, Disable, Destroy }
+        public enum SlideDirection { Default, Left, Right }
+
+        void Awake()
+        {
+            isOn = false;
+
+            if (!useCustomContent) { UpdateUI(); }
+            if (notificationAnimator == null) { notificationAnimator = gameObject.GetComponent<Animator>(); }
+            if (useStacking)
+            {
+                try { transform.GetComponentInParent<NotificationStacking>().AddToStack(this); }
+                catch { Debug.LogError("<b>[Notification]</b> 'Stacking' is enabled but 'Notification Stacking' cannot be found in parent.", this); }
+            }
+        }
+
+        void Start()
+        {
+            if (startBehaviour == StartBehaviour.Disable) { gameObject.SetActive(false); }
+            else if (startBehaviour == StartBehaviour.Open) { Open(); }
+        }
+
+        public void Open()
+        {
+            if (isOn)
+                return;
+
+            gameObject.SetActive(true);
+            isOn = true;
+
+            StopCoroutine("StartTimer");
+            StopCoroutine("DisableNotification");
+
+            notificationAnimator.Play("In");
+            onOpen.Invoke();
+
+            if (enableTimer) 
+            { 
+                StartCoroutine("StartTimer"); 
+            }
+        }
+
+        public void Close()
+        {
+            if (!isOn)
+                return;
+
+            isOn = false;
+            notificationAnimator.Play("Out");
+            onClose.Invoke();
+
+            StopCoroutine("StartTimer");
+            StopCoroutine("DisableNotification");
+            StartCoroutine("DisableNotification");
+        }
+
+        #region Obsolete
+        public void OpenNotification() { Open(); }
+        public void CloseNotification() { Close(); }
+        #endregion
+
+        public void UpdateUI()
+        {
+            if (iconObj != null) { iconObj.sprite = icon; }
+            if (titleObj != null) { titleObj.text = title; }
+            if (descriptionObj != null) { descriptionObj.text = description; }
+
+            if (slideDirection == SlideDirection.Left)
+            {
+                transform.localScale = new Vector3(-1, transform.localScale.y, transform.localScale.z);
+                transform.GetChild(0).transform.localScale = new Vector3(-1, transform.GetChild(0).transform.localScale.y, transform.GetChild(0).transform.localScale.z);
+            }
+
+            else if (slideDirection == SlideDirection.Right)
+            {
+                transform.localScale = new Vector3(1, transform.localScale.y, transform.localScale.z);
+                transform.GetChild(0).transform.localScale = new Vector3(1, transform.GetChild(0).transform.localScale.y, transform.GetChild(0).transform.localScale.z);
+            }
+        }
+
+        public void OnPointerClick(PointerEventData eventData)
+        {
+            if (!closeOnClick)
+                return;
+
+            Close();
+        }
+
+        IEnumerator StartTimer()
+        {
+            yield return new WaitForSecondsRealtime(timer);
+            Close();
+        }
+
+        IEnumerator DisableNotification()
+        {
+            yield return new WaitForSecondsRealtime(1f);
+
+            if (closeBehaviour == CloseBehaviour.Disable) { gameObject.SetActive(false); isOn = false; }
+            else if (closeBehaviour == CloseBehaviour.Destroy) { Destroy(gameObject); }
+        }
+    }
+}