1.解决了Track面向的问题2.新增Surface类型的Spline渲染器3.新增with后缀表达式

Assets/Scripts/Framework/EditiorContent/TimelineItem.cs

@@ -1,9 +1,5 @@
-using System.Collections;
-using System.Collections.Generic;
 using Convention;
-using Convention.Internal;
 using Convention.WindowsUI;
-using Convention.WindowsUI.Variant;
 using UnityEngine;
 using UnityEngine.Events;
 
@@ -63,7 +59,7 @@ namespace Demo.Editor.UI
 
         public void ResizeOnTimeline()
         {
-            if(IsSetup==false)
+            if (IsSetup == false)
             {
                 gameObject.SetActive(false);
                 return;
@@ -76,7 +72,7 @@ namespace Demo.Editor.UI
                 Vector3 minPosition = DragAreaInternal.rect.min - DragObjectInternal.rect.min;
                 Vector3 maxPosition = DragAreaInternal.rect.max - DragObjectInternal.rect.max;
 
-                if(DragObjectInternal.localPosition.y< minPosition.y|| DragObjectInternal.localPosition.y > maxPosition.y)
+                if (DragObjectInternal.localPosition.y < minPosition.y || DragObjectInternal.localPosition.y > maxPosition.y)
                 {
                     RawButton.gameObject.SetActive(false);
                     return;
@@ -92,7 +88,7 @@ namespace Demo.Editor.UI
             if (Mathf.Approximately(durationX, durationY))
             {
                 from = (durationX - clip.x) / left2rightDuration;
-                to = from + 0.1f;
+                to = Mathf.Max(from + 0.1f, EditorController.instance.SongOffset);
             }
             else
             {