From 26e4dc3a35d9c778684388de1af8b3f288fe627d Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 28 May 2021 20:00:48 +0800
Subject: *Tween

---
 .../Scripts/Animation/Tween/TweenAnimation.cs      | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)

(limited to 'Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs')

diff --git a/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs b/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
index ccefe06..e722a08 100644
--- a/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
+++ b/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
@@ -13,6 +13,17 @@ namespace TweenAnimation
         public string name; // 事件名
         public float time; // 事件触发时间
         public UnityEvent eventHandler; // 回调函数
+#if UNITY_EDITOR
+        [NonSerialized]
+        public bool unfold;
+#endif
+        public TweenEvent()
+        {
+            unfold = false;
+            name = "New Event";
+            time = 0;
+            eventHandler = null;
+        }
     }
 
     public class TweenAnimation : MonoBehaviour
@@ -33,6 +44,7 @@ namespace TweenAnimation
 
         public string description = "No Description";
 
+        [SerializeReference]
         public List<TweenModule> modules;
 
         public float duration;
@@ -44,6 +56,12 @@ namespace TweenAnimation
         // 回放次数，0是不限制，默认是0
         public int playbackLimit;
 
+        // 只触发一次事件
+        public bool triggerOnce;
+
+        // 脚本中处理 ITweenEventHandler
+        public bool scriptHandler;
+
         public List<TweenEvent> eventList;
 
         public TweenAnimation()
@@ -52,6 +70,7 @@ namespace TweenAnimation
             this.playbackLimit = 0;
             this.duration = 1;
             this.modules = new List<TweenModule>();
+            this.triggerOnce = false;
         }
 
         public void AddModule(TweenModule module)
@@ -69,6 +88,81 @@ namespace TweenAnimation
                 modules.Remove(module);
         }
 
+        public void AddEvent(TweenEvent e)
+        {
+            if (eventList == null)
+                eventList = new List<TweenEvent>();
+            eventList.Add(e);
+        }
+
+        public void RemoveEvent(TweenEvent e)
+        {
+            if (eventList == null)
+                return;
+            eventList.Remove(e);
+        }
+
+        /// <summary>
+        /// 根据时间执行tween
+        /// </summary>
+        /// <param name="time">real time</param>
+        public void Process(float time)
+        {
+            if (modules == null)
+                return;
+
+            float logicTime = time;
+
+            if (this.playbackStyle == PlaybackStyle.Once)
+                logicTime = HandleOnce(time);
+            else if (this.playbackStyle == PlaybackStyle.Loop)
+                logicTime = HandleLoop(time);
+            else if (this.playbackStyle == PlaybackStyle.PingPong)
+                logicTime = HandlePingpong(time);
+
+            for (int i = 0; i < modules.Count; i ++)
+            {
+                TweenModule module = modules[i];
+                if (!module.enabled)
+                    continue;
+                module.OnUpdate(logicTime);
+            }
+        }
+
+        private float HandleOnce(float time)
+        {
+            time = Mathf.Clamp(time, 0, duration);
+            return time;
+        }
+
+        private float HandleLoop(float time)
+        {
+            time = time % duration;
+            return time;
+        }
+
+        private float HandlePingpong(float time)
+        {
+            if (time <= duration)
+                return time;
+            float remain = time % duration;
+            int round = (int)(time / duration);
+            bool bOdd = (round & 1) == 1;
+            if (bOdd)
+                time = duration - remain;
+            else
+                time = remain;
+
+            return time;
+        }
+
+#if UNITY_EDITOR
+        public void UpdateEditor(float time)
+        {
+            Process(time);
+        }
+#endif
+
     }
 
 }
-- 
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