c-o

源代码/StgSharpDebug/Geometries/Point.cs

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+using StgSharp.Math;
+
+using System;
+using System.Collections.Generic;
+using System.Numerics;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp.Geometries
+{
+    [StructLayout(LayoutKind.Explicit, Size = 16)]
+    public struct Point
+    {
+        [FieldOffset(0)] private vec3d coord;
+        [FieldOffset(0)] internal Vector4 coordVec;
+
+        public Point(float x, float y, float z)
+        {
+            coordVec = new Vector4(x,y,z,1);
+        }
+
+        public Point(vec3d coord)
+        {
+            Coord = coord;
+            coordVec.W = 1;
+        }
+
+        internal Point(vec4d vector)
+        {
+            coordVec = vector.vec;
+            coordVec.W = 1;
+        }
+
+        public vec3d Coord
+        {
+            get => coord;
+            set { coord = value; coordVec.W = 1; }
+        }
+
+
+
+    }
+}