67 lines
1.5 KiB
C#
67 lines
1.5 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
|
|
namespace StgSharp.Math
|
|
{
|
|
public struct Array2x2
|
|
{
|
|
public Vec2D row0;
|
|
public Vec2D row1;
|
|
|
|
public Vec2D colum0;
|
|
public Vec2D colum1;
|
|
|
|
public Array2x2(Vec2D c0, Vec2D c1)
|
|
{
|
|
row0 = c0;
|
|
row1 = c1;
|
|
colum0 = new Vec2D(c0.X,c1.X);
|
|
colum1 = new Vec2D(c0.Y,c1.Y);
|
|
}
|
|
|
|
public Array2x2(
|
|
float a11,
|
|
float a12,
|
|
float a21,
|
|
float a22
|
|
)
|
|
{
|
|
row0 = new Vec2D(a11, a12);
|
|
row1 = new Vec2D(a21, a22);
|
|
|
|
colum0 = new Vec2D(a11, a21);
|
|
colum1 = new Vec2D(a21, a22);
|
|
}
|
|
|
|
public static Array2x2 operator *(Array2x2 array1, Array2x2 array2)
|
|
{
|
|
return new Array2x2(
|
|
array1.colum0 * array2.row0,
|
|
array1.colum1 * array2.row0,
|
|
array1.colum0 * array2.row1,
|
|
array1.colum1 * array2.row1
|
|
);
|
|
}
|
|
|
|
public static Array2x2 operator +(Array2x2 array1, Array2x2 array2)
|
|
{
|
|
return new Array2x2(
|
|
array1.row0 + array2.row0,
|
|
array1.row1 + array2.row1
|
|
);
|
|
}
|
|
|
|
public static Array2x2 operator -(Array2x2 array1, Array2x2 array2)
|
|
{
|
|
return new Array2x2(
|
|
array1.row0 - array2.row0,
|
|
array1.row1 - array2.row1
|
|
);
|
|
}
|
|
|
|
|
|
|
|
}
|
|
}
|