daily update on 20230927 by nitload youmu, all polygon4 display available, optimizing on C/C# interoperation

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

@@ -1,5 +1,6 @@
 using StgSharp.Math;
 using System;
+using System.Numerics;
 using System.Runtime.InteropServices;
 using System.Threading;
 
@@ -10,14 +11,21 @@ namespace StgSharp.Geometries
         internal Vec3d position;
         internal readonly bool isVertex;
 
+        public Point() { }
+
         internal Point(Vec3d p)
         {
             position = p;
         }
 
-        public Point()
+        internal Point(Vector4 vector)
         {
+            position = new Vec3d(vector);
+        }
 
+        public Point(float x, float y, float z)
+        {
+            position = new Vec3d(x, y, z);
         }
 
         public Vec3d Position