daily update on 20230309 by nitload youmu

源代码/StgSharp/Vector/Matrix3x4.cs

@@ -0,0 +1,83 @@
+using StgSharp.Math;
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+
+namespace StgSharp.Math
+{
+    [StructLayout(LayoutKind.Explicit)]
+    public struct Matrix3x4:IEquatable<Matrix3x4>
+    {
+        [FieldOffset(0)]
+        public Vec4D row1;
+        [FieldOffset(16)]
+        public Vec4D row2;
+        [FieldOffset(32)]
+        public Vec4D row3;
+
+        public Matrix3x4(
+            Vec4D r1, Vec4D r2, Vec4D r3
+            )
+        {
+            this.row1 = r1;
+            this.row2 = r2;
+            this.row3 = r3;
+        }
+
+        public Matrix3x4(
+            float a11, float a12, float a13, float a14,
+            float a21, float a22, float a23, float a24,
+            float a31, float a32, float a33, float a34
+            )
+        {
+            row1 = new Vec4D(a11,a12,a13,a14);
+            row2 = new Vec4D(a21,a22,a23,a24);
+            row3 = new Vec4D(a31,a32,a33,a34);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (obj == null)
+            {
+                return false;
+            }
+            else if (obj.GetType() != typeof(Matrix3x4))
+            {
+                return false;
+            }
+            else
+            {
+                return this.Equals((Matrix3x4)obj);
+            }
+        }
+
+        bool IEquatable<Matrix3x4>.Equals(Matrix3x4 other)
+        {
+            if (this.GetHashCode() != other.GetHashCode())
+            {
+                return false;
+            }
+            else
+            {
+                return this.row1 == other.row1
+                    && this.row2 == other.row2
+                    && this.row3 == other.row3;
+            }
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(this.row1,this.row2,this.row3);
+        }
+
+        public override string ToString()
+        {
+            return $"{this.row1}\n{this.row2}\n{this.row3}";
+        }
+
+        
+
+    }
+}