完善动画时间重置功能

SpineViewer/Controls/SpinePreviewer.cs

@@ -619,7 +619,7 @@ namespace SpineViewer.Controls
                 lock (SpineListView.Spines)
                 {
                     foreach (var spine in SpineListView.Spines)
-                        spine.Track0Animation = spine.Track0Animation; // TODO: 多轨道重置
+                        spine.ResetAnimationsTime();
                 }
             }
         }
@@ -631,7 +631,7 @@ namespace SpineViewer.Controls
                 lock (SpineListView.Spines)
                 {
                     foreach (var spine in SpineListView.Spines)
-                        spine.Track0Animation = spine.Track0Animation; // TODO: 多轨道重置
+                        spine.ResetAnimationsTime();
                 }
             }
             IsUpdating = true;

SpineViewer/Spine/Spine.cs

@@ -315,6 +315,18 @@ namespace SpineViewer.Spine
         /// </summary>
         public abstract float GetAnimationDuration(string name);
 
+        /// <summary>
+        /// 重置所有轨道上的动画时间
+        /// </summary>
+        public void ResetAnimationsTime()
+        {
+            lock (_lock)
+            {
+                foreach (var i in getTrackIndices())
+                    setAnimation(i, getAnimation(i));
+            }
+        }
+
         #endregion
 
         #region 属性 | [4] 调试