daily update on 20230804 by nitload youmu

源代码/StgSharp/Math/Linear/matrix3x4.cs

@@ -1,10 +1,59 @@
 using System;
+using System.Reflection.Emit;
 using System.Runtime.InteropServices;
 
 namespace StgSharp.Math
 {
     public class Matrix3x4
     {
-        
+        internal IntPtr _row0Ptr;
+        internal IntPtr _row1Ptr;
+        internal IntPtr _row2Ptr;
+
+        private bool _isTransposed;
+        private Matrix4x3 _transpose;
+
+        public Matrix3x4(
+            float a00, float a01, float a02, float a03,
+            float a10, float a11, float a12, float a13,
+            float a20, float a21, float a22, float a23
+            )
+        {
+            _row0Ptr = internalIO.load_internal(a00,a01,a02,a03);
+            _row1Ptr = internalIO.load_internal(a10,a11,a12,a13);
+            _row2Ptr = internalIO.load_internal(a20,a21,a22,a23);
+
+            _transpose = new Matrix4x3(this);
+        }
+
+        internal Matrix3x4()
+        {
+            _transpose = new Matrix4x3(this);
+        }
+
+        internal Matrix3x4(Matrix4x3 transpose)
+        {
+            _transpose = transpose;
+        }
+
+        public Matrix4x3 Transpose(TransposeMode transposeMode)
+        {
+            switch (transposeMode)
+            {
+                case TransposeMode.New:
+                    return new Matrix4x3();
+                    break;
+                case TransposeMode.Copy:
+
+                    break;
+                default:
+                    throw new Exception();
+                    break;
+            }
+        }
+
+
+
+
     }
 }