daily update on 202303006 by nitload youmu

2023-03-07 00:59:55 +08:00
parent df2af2b2d5
commit 873c408cd4
20 changed files with 291 additions and 19 deletions
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp.Math
+{
+    [StructLayout(LayoutKind.Explicit)]
+    public struct Colum2D:IEquatable<Colum2D>
+    {
+        [FieldOffset(0)]
+        public float X;
+        [FieldOffset(4)]
+        public float Y;
+
+        public Colum2D(float x,float y)
+        {
+            X= x;
+            Y= y;
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (obj == null)
+            {
+                return false;
+            }
+            else if (obj.GetType() != typeof(Colum2D))
+            {
+                return false;
+            }
+            else
+            {
+                return this.Equals((Colum2D)obj);
+            }
+        }
+
+        bool IEquatable<Colum2D>.Equals(Colum2D other)
+        {
+            if (this.GetHashCode() != other.GetHashCode())
+            {
+                return false;
+            }
+            else
+            {
+                return X == other.X && Y == other.Y;
+            }
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(X,Y);
+        }
+
+        public override string ToString()
+        {
+            return $"{X}\n{Y}";
+        }
+
+        public static Colum2D operator +(Colum2D c1,Colum2D c2)
+        {
+            return new Colum2D(
+                c1.X + c2.X,
+                c1.Y + c2.Y
+                );
+        }
+
+        public static Colum2D operator -(Colum2D c1, Colum2D c2)
+        {
+            return new Colum2D(
+                c1.X - c2.X,
+                c1.Y - c2.Y
+                );
+        }
+
+        public static Array2x2 operator *(Colum2D colum, Vec2D vec)
+        {
+            return new Array2x2(
+                colum.X * vec.X, colum.X * vec.Y,
+                colum.Y * vec.X, colum.Y * vec.Y
+                );
+        }
+
+        public static Colum2D operator *(Colum2D colum, float x)
+        {
+            return new Colum2D(colum.X * x,colum.Y * x);
+        }
+
+        public static Colum2D operator /(Colum2D colum, float x)
+        {
+            return new Colum2D(colum.X / x, colum.Y / x);
+        }
+    }
+}