daily update on 20230320 by nitload youmu

2023-03-20 01:45:49 +08:00
parent 167e33a3dd
commit db2ca36fd7
100 changed files with 1211 additions and 746 deletions
@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp.Math
+{
+
+    [StructLayout(LayoutKind.Explicit)]
+    public struct matrix2x4 : IEquatable<matrix2x4>
+    {
+        [FieldOffset(0)]
+        public vec4d row1;
+        [FieldOffset(16)]
+        public vec4d row2;
+
+        public matrix2x4( vec4d r1, vec4d r2)
+        {
+            row1 = r1;
+            row2 = r2;
+        }
+
+        public matrix2x4(
+            float a11, float a12, float a13, float a14,
+            float a21, float a22, float a23, float a24
+            )
+        {
+            row1 = new vec4d(a11,a12,a13,a14);
+            row2 = new vec4d(a21,a22,a23,a24);
+        }
+
+        public bool Equals(matrix2x4 other)
+        {
+            if (this.GetHashCode() != other.GetHashCode())
+            {
+                return false;
+            }
+            else
+            {
+                return this.row1 == other.row1
+                    && this.row2 == other.row2;
+            }
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (obj == null)
+            {
+                return false;
+            }
+            else if (obj.GetType() != typeof(matrix2x4))
+            {
+                return false;
+            }
+            else
+            {
+                return this.Equals((matrix2x4)obj);
+            }
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(this.row1, this.row2);
+        }
+
+        public override string ToString()
+        {
+            return $"{this.row1}\n{this.row2}";
+        }
+
+        public static matrix2x4 operator +(matrix2x4 matrix1 ,matrix2x4 matrix2)
+        {
+            return new matrix2x4(
+                matrix1.row1 + matrix2.row1,
+                matrix1.row2 + matrix2.row2
+                ) ;
+        }
+
+        public static matrix2x4 operator -(matrix2x4 matrix1, matrix2x4 matrix2)
+        {
+            return new matrix2x4(
+                matrix1.row1 - matrix2.row1,
+                matrix1.row2 - matrix2.row2
+                );
+        }
+
+        public static matrix2x4 operator *(matrix2x4 array, float x)
+        {
+            return new matrix2x4(
+                array.row1 * x,
+                array.row2 * x
+                );
+        }
+
+        public static matrix2x4 operator /(matrix2x4 array, float x)
+        {
+            return new matrix2x4(
+                array.row1 / x,
+                array.row2 / x
+                );
+        }
+
+        
+    }
+}