feat: Add fading option

Author: jcs090218

Assets/JCSUnity/Scripts/Effects/Tweener/JCS_TransformTweener.cs

@@ -736,6 +736,7 @@ private void ContinueTween()
             }
 
             float distance = 0;
+
             Vector3 selfVal = GetSelfTransformTypeVector3();
             Vector3 targetVal = GetTargetTransformTypeVector3();
 
@@ -752,9 +753,9 @@ private void ContinueTween()
             // record down the target position
             mRecordTargetTransformValue = targetVal;
 
-
             // Check if close enough to the distance we target.
             distance = Vector3.Distance(selfVal, targetVal);
+
             if (distance <= mStopTweenDistance)
             {
                 // call the call back.

Assets/JCSUnity/Scripts/UI/JCS_Canvas.cs

@@ -385,6 +385,14 @@ public void ToggleVisibility(bool mute = false)
                 Show(mute);
         }
 
+        /// <summary>
+        /// Return true if the canvas is fading in/out.
+        /// </summary>
+        public bool IsFading()
+        {
+            return mFading != JCS_FadeType.NONE;
+        }
+
         /// <summary>
         /// Prompt warning if there are multiple main canvases in the scene.
         /// </summary>

Assets/JCSUnity/Scripts/UI/JCS_CanvasComp.cs

@@ -69,5 +69,6 @@ protected virtual void Awake()
         public virtual void Show(bool mute = false) => mCanvas.Show(mute);
         public virtual void Hide(bool mute = false) => mCanvas.Hide(mute);
         public virtual void ToggleVisibility(bool mute = false) => mCanvas.ToggleVisibility(mute);
+        public virtual bool IsFading() => mCanvas.IsFading();
     }
 }