Daily update on 20230413 by nitload youmu

源代码/StgSharp/Geometries/IGeometryCombination.cs

@@ -6,6 +6,23 @@ namespace StgSharp.Geometries
 {
     public abstract class IGeometryCombination:LinkedList<IGeometry>
     {
+        internal readonly uint _bornTick;
 
+        internal abstract void toSimpleGeometry();
+
+        public IGeometryCombination(uint bornTime)
+        {
+            _bornTick = bornTime;
+        }
+
+        public IGeometryCombination(Counter<uint> timer)
+        {
+            _bornTick = timer._value;
+        }
+
+        public IGeometryCombination()
+        {
+
+        }
     }
 }