From 3bd21c73384906267a2a4c48acdb96df77bd1f67 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sun, 30 May 2021 11:05:38 +0800
Subject: *tween

---
 .../Scripts/Animation/Tween/TweenAnimation.cs      | 64 +++++++++++++++++-----
 1 file changed, 50 insertions(+), 14 deletions(-)

(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 e722a08..6441552 100644
--- a/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
+++ b/Assets/UI_Extension/Scripts/Animation/Tween/TweenAnimation.cs
@@ -1,4 +1,5 @@
-using System;
+// by chai
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
@@ -15,11 +16,10 @@ namespace TweenAnimation
         public UnityEvent eventHandler; // 回调函数
 #if UNITY_EDITOR
         [NonSerialized]
-        public bool unfold;
+        public bool unfold = false;
 #endif
         public TweenEvent()
         {
-            unfold = false;
             name = "New Event";
             time = 0;
             eventHandler = null;
@@ -56,6 +56,9 @@ namespace TweenAnimation
         // 回放次数，0是不限制，默认是0
         public int playbackLimit;
 
+        // 是否触发事件
+        public bool triggerEvents;
+
         // 只触发一次事件
         public bool triggerOnce;
 
@@ -111,14 +114,8 @@ namespace TweenAnimation
             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);
+            time = ApplyLimit(time);
+            float logicTime = HandleTime(time);
 
             for (int i = 0; i < modules.Count; i ++)
             {
@@ -129,19 +126,19 @@ namespace TweenAnimation
             }
         }
 
-        private float HandleOnce(float time)
+        float HandleOnce(float time)
         {
             time = Mathf.Clamp(time, 0, duration);
             return time;
         }
 
-        private float HandleLoop(float time)
+        float HandleLoop(float time)
         {
             time = time % duration;
             return time;
         }
 
-        private float HandlePingpong(float time)
+        float HandlePingpong(float time)
         {
             if (time <= duration)
                 return time;
@@ -156,11 +153,50 @@ namespace TweenAnimation
             return time;
         }
 
+        // 返回[0,duration]范围内的逻辑时间
+        public float HandleTime(float time)
+        {
+            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);
+            return logicTime;
+        }
+
+        public float ApplyLimit(float time)
+        {
+            if (playbackLimit <= 0)
+                return time;
+            if (playbackStyle == PlaybackStyle.Loop)
+                time = Mathf.Clamp(time, 0, playbackLimit * duration);
+            else if(playbackStyle == PlaybackStyle.PingPong)
+                time = Mathf.Clamp(time, 0, playbackLimit * duration);
+            return time;
+        }
+
 #if UNITY_EDITOR
         public void UpdateEditor(float time)
         {
             Process(time);
         }
+
+        // 返回0-duration内的时间，用负数代表从右往左
+        public float GetIdentifiedTime(float t)
+        {
+            int round = (int)(t / duration);
+            float time = HandleTime(t);
+            if(playbackStyle == PlaybackStyle.PingPong)
+            {
+                bool bOdd = (round & 1) == 1;
+                if(bOdd)
+                    time = -time;
+            }
+            return time;
+        }
+
 #endif
 
     }
-- 
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