Added option to FullScreenFadeAction to perform fade based on scaled/unscaled game time

CHANGELOG.md

 
 ## 2019.3.7
 
+#### Added
+
+- Added option to FullScreenFadeAction to perform fade based on scaled/unscaled game time
+
 #### Fixed
 
 * Fixed Take Screenshot Action : Bad Filename + Added Tooltips

Runtime/LevelScripting/Actions/FullScreenFadeAction.cs

     {
         public FullScreenFadeManager.FadeMode Fading = FullScreenFadeManager.FadeMode.ToBlack;
         public float Duration = 2.0f;
+        public FullScreenFadeManager.FadeTimingMode fadeTimingMode = FullScreenFadeManager.FadeTimingMode.UnscaledGameTime;
+
-            Manager.Get<FullScreenFadeManager>().Fade(Duration, Fading, OnComplete, instigator);
+            Manager.Get<FullScreenFadeManager>().Fade(Duration, Fading, fadeTimingMode, OnComplete, instigator);
         }
     }
 

Runtime/Managers/Implementations/FullScreenFadeManager.cs

             ToBlack = 1
         }
 
+        public enum FadeTimingMode
+        {
+            UnscaledGameTime,
+            GameTime,
+        }
+
-        public void Fade(float duration, FadeMode mode, Callable[] OnComplete, GameObject instigator = null)
+        public void Fade(float duration, FadeMode mode, FadeTimingMode timingMode, Callable[] OnComplete, GameObject instigator = null)
         {
             if (m_Coroutine != null)
             {
                 switch (mode)
                 {
                     case FadeMode.ToBlack:
-                        m_Coroutine = StartCoroutine(FadeCoroutine(duration, 1.0f, 1.0f, OnComplete, instigator));
+                        m_Coroutine = StartCoroutine(FadeCoroutine(duration, 1.0f, 1.0f, timingMode, OnComplete, instigator));
-                        m_Coroutine = StartCoroutine(FadeCoroutine(duration, 0.0f, -1.0f, OnComplete, instigator));
+                        m_Coroutine = StartCoroutine(FadeCoroutine(duration, 0.0f, -1.0f, timingMode, OnComplete, instigator));
                         break;
                     default: throw new NotImplementedException();
                 }
 
-        IEnumerator FadeCoroutine(float duration, float target, float sign, Callable[] OnComplete, GameObject instigator)
+        IEnumerator FadeCoroutine(float duration, float target, float sign, FadeTimingMode timingMode, Callable[] OnComplete, GameObject instigator)
         {
             FullScreenFadePlane.gameObject.SetActive(true);
             Color c = FullScreenFadePlane.color;
+                float t;
+                switch (timingMode)
+                {
+                    case FadeTimingMode.GameTime:
+                        t = Time.deltaTime;
+                        break;
+                    default:
+                    case FadeTimingMode.UnscaledGameTime:
+                        t = Time.unscaledDeltaTime;
+                        break;
+                }
-                c.a += sign * Time.unscaledDeltaTime / duration;
+                c.a += sign * t / duration;
                 FullScreenFadePlane.color = c;
                 yield return new WaitForEndOfFrame();
             }