daily update on 20230830

源代码/StgSharp/Math/Linear/matrix4x3.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
@@ -6,7 +7,7 @@ using System.Runtime.InteropServices;
 namespace StgSharp.Math
 {
     [StructLayout(LayoutKind.Explicit, Size = 7*4*sizeof(float)+ sizeof(bool),Pack =16 )]
-    public struct Matrix4x3
+    public struct Matrix4x3 : IEquatable<Matrix4x3>
     {
         [FieldOffset(0)]
         internal Mat3 mat;
@@ -97,6 +98,17 @@ namespace StgSharp.Math
             }
         }
 
+        public override bool Equals(object? obj)
+        {
+            return obj is Matrix4x3 x && Equals(x);
+        }
+
+        public bool Equals(Matrix4x3 other)
+        {
+            return EqualityComparer<Mat3>.Default.Equals(mat, other.mat);
+        }
+
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static Matrix4x3 operator +(Matrix4x3 left, Matrix4x3 right)
         {
@@ -118,6 +130,16 @@ namespace StgSharp.Math
 
         }
 
+        public static bool operator ==(Matrix4x3 left, Matrix4x3 right)
+        {
+            return left.Equals(right);
+        }
+
+        public static bool operator !=(Matrix4x3 left, Matrix4x3 right)
+        {
+            return !(left == right);
+        }
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static Matrix4x3 operator *(Matrix4x3 mat, float value)
         {
@@ -210,6 +232,14 @@ namespace StgSharp.Math
                 );
         }
 
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(
+                mat.colum0.GetHashCode(),
+                mat.colum1.GetHashCode(),
+                mat.colum2.GetHashCode()
+                );
+        }