rename ungenericed graphic vec usage to genericed

src/Nitload.Mathematics/Geometries/Point.cs

@@ -19,23 +19,13 @@ namespace Nitload.Geometries
     public struct Point
     {
 
-        [FieldOffset(0)] private Vec3 coord;
-        [FieldOffset(0)] internal Vector4 coordVec;
-
-        internal Point(
-                 Vec4 vector
-        )
-        {
-            coordVec = vector.vec;
-            coordVec.W = 1;
-        }
+        [FieldOffset(0)] private Vec3<float> coord;
 
         public Point(
-               Vec3 coord
+               Vec3<float> vector
         )
         {
-            Coord = coord;
-            coordVec.W = 1;
+            coord = vector;
         }
 
         public Point(
@@ -44,12 +34,12 @@ namespace Nitload.Geometries
                float z
         )
         {
-            coordVec = new Vector4(x, y, z, 1);
+            coord = new Vec3<float>(x, y, z);
         }
 
-        public Vec3 Coord
+        public Vec3<float> Coord
         {
-            get => coord;
+            readonly get => coord;
             set => coord = value;
         }