Daily update on 20231211 by nitload youmu

源代码/StgSharp/Geometries/PlainGeometry/Arc.cs

@@ -3,6 +3,9 @@ using System;
 
 namespace StgSharp.Geometries
 {
+    /// <summary>
+    /// Part of a circle. All points on a arc has the same distance to their center.
+    /// </summary>
     public class Arc : PlainGeometry
     {
         internal Point center;
@@ -22,7 +25,7 @@ namespace StgSharp.Geometries
 
         internal override void UpdateCoordinate(uint tick)
         {
-            tick -= bornTick;
+            tick = time;
             center.Position = this.coordinate.origin + MoveCenter(tick);
             beginPoint.Position = this.coordinate.origin + MovBegin(tick);
             endPoint.Position = this.coordinate.origin + MovEnd(tick);