[BUGFIX] Fixed bug where calling PlayForward immediately after a PlayBackwards in the same frame gave unexpected results if the tween was already complete

UnityTests.Unity5/Assets/_Tests/TempTests.cs

@@ -11,20 +11,16 @@ using UnityEngine.UI;
 
 public class TempTests : BrainBase
 {
-    public bool useFrom = true;
     public Transform target;
     
     IEnumerator Start()
     {
-        if (!useFrom) {
-            target.DOMoveX(2, 2);
-        } else {
-            Vector3 currentPosition = target.position;
-            target.DOMoveX(2, 2).From().SetAutoKill(false);//.OnRewind(() => OnResetTransformFrom(transformToAnimate,currentPosition));
-        }
+        Sequence s = DOTween.Sequence().SetAutoKill(false)
+            .Join(target.DOMoveX(2, 1))
+            .Append(target.DOMoveY(2, 1));
+        yield return s.WaitForCompletion(true);
 
-        yield return new WaitForSeconds(3f);
-
-        target.DORewind();
+        s.PlayBackwards();
+        s.PlayForward();
     }
 }

_DOTween.Assembly/DOTween/Core/TweenManager.cs

@@ -738,6 +738,9 @@ namespace DG.Tweening.Core
             if (t.completedLoops == 0 && t.position <= 0) {
                 // Already rewinded, manage OnRewind callback
                 ManageOnRewindCallbackWhenAlreadyRewinded(t, true);
+                t.isBackwards = true;
+                t.isPlaying = false;
+                return false;
             }
             if (!t.isBackwards) {
                 t.isBackwards = true;
@@ -749,6 +752,11 @@ namespace DG.Tweening.Core
 
         internal static bool PlayForward(Tween t)
         {
+            if (t.isComplete) {
+                t.isBackwards = false;
+                t.isPlaying = false;
+                return false;
+            }
             if (t.isBackwards) {
                 t.isBackwards = false;
                 Play(t);

_DOTween.Assembly/DOTween/DOTween.cs

@@ -34,7 +34,7 @@ namespace DG.Tweening
     public class DOTween
     {
         /// <summary>DOTween's version</summary>
-        public static readonly string Version = "1.2.250"; // Last version before modules: 1.1.755
+        public static readonly string Version = "1.2.251"; // Last version before modules: 1.1.755
 
         ///////////////////////////////////////////////
         // Options ////////////////////////////////////