daily uodate on 20231208 by nitload youmu, preparation for multi thread rendering

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

@@ -12,9 +12,6 @@ namespace StgSharp.Geometries
         internal GetLocationHandler movBegin;
         internal GetLocationHandler movEnd;
 
-        public override Point RefPoint0 => beginPoint;
-        public override Point RefPoint1 => endPoint;
-        public override Point RefPoint2 => default;
 
         internal override int[] Indices
         {
@@ -35,7 +32,7 @@ namespace StgSharp.Geometries
 
         public Line() { }
 
-        //计算线起点的方法，通过对线的派生的重写实现功能
+        //method to calculate begin point of the the line
         public virtual vec3d MoveBeginPoint(uint tick)
             => movBegin.Invoke(tick);
 
@@ -43,11 +40,11 @@ namespace StgSharp.Geometries
         public virtual vec3d MoveEndPoint(uint tick)
             => movEnd.Invoke(tick);
 
-        internal override void OnRender(uint tick)
+        internal override void UpdateCoordinate(uint tick)
         {
             tick -= bornTick;
-            beginPoint.Position = refOrigin.Position + MoveBeginPoint(tick);
-            endPoint.Position = refOrigin.Position + MoveEndPoint(tick);
+            beginPoint.Position = coordinate.origin + MoveBeginPoint(tick);
+            endPoint.Position = coordinate.origin + MoveEndPoint(tick);
         }
 
         public override Line[] GetAllSides()