rename ungenericed graphic vec usage to genericed

src/Nitload.Mathematics/Geometries/PlainGeometry/Plain.cs

@@ -16,16 +16,16 @@ namespace Nitload.Geometries
     {
 
         internal readonly float d = -1;
-        internal Vec3 _origin;
+        internal Vec3<float> _origin;
 
-        internal Vec3 plainParameter;
-        internal Vec3 vec1;
-        internal Vec3 vec2;
+        internal Vec3<float> plainParameter;
+        internal Vec3<float> vec1;
+        internal Vec3<float> vec2;
 
         public Plain(
-               Vec3 o,
-               Vec3 v1,
-               Vec3 v2
+               Vec3<float> o,
+               Vec3<float> v1,
+               Vec3<float> v2
         )
         {
             this._origin = o;
@@ -50,9 +50,9 @@ namespace Nitload.Geometries
                Point p3
         )
         {
-            Vec3 origin = p1.Coord;
-            Vec3 v1 = p2.Coord - origin;
-            Vec3 v2 = p3.Coord - origin;
+            Vec3<float> origin = p1.Coord;
+            Vec3<float> v1 = p2.Coord - origin;
+            Vec3<float> v2 = p3.Coord - origin;
 
 
             vec1 = v1 - (v2 * (v1.Y / v2.Y));   //xz