Files
stgsharp/源代码/StgSharp/Math/Graphic/matrix2x2.cs
T
2023-04-29 03:06:32 +08:00

97 lines
2.2 KiB
C#

using System;
using System.Collections.Generic;
using System.IO.Compression;
using System.Runtime.InteropServices;
using System.Text;
namespace StgSharp.Math
{
[StructLayout(LayoutKind.Explicit)]
public struct matrix2x2Int:IEquatable<matrix2x2>
{
[FieldOffset(0)]
public vec2dInt row1;
[FieldOffset(8)]
public vec2dInt row2;
public matrix2x2Int(vec2d c0, vec2d c1)
{
row1 = c0;
row2 = c1;
}
public matrix2x2Int(
int a11,
int a12,
int a21,
int a22
)
{
row1 = new vec2dInt(a11, a12);
row2 = new vec2dInt(a21, a22);
}
bool IEquatable<matrix2x2>.Equals(matrix2x2 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(matrix2x2))
{
return false;
}
else
{
return this.Equals((vec3d)obj);
}
}
public override int GetHashCode()
{
return HashCode.Combine(row1,row2);
}
public override string ToString()
{
return $"{row1}\n{row2}";
}
public static matrix2x2Int operator +(matrix2x2Int matrix1 , matrix2x2Int matrix2)
{
return new matrix2x2Int(
matrix1.row1 + matrix2.row1,
matrix1.row2 + matrix2.row2
);
}
public static matrix2x2Int operator -(matrix2x2Int matrix1, matrix2x2Int matrix2)
{
return new matrix2x2Int(
matrix1.row1 - matrix2.row1,
matrix1.row2 - matrix2.row2
);
}
}
}