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daily update on 2024.03.18 by itload youmu

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This commit is contained in:
YoumuLiu
2024-03-19 02:41:04 +08:00
parent 15bf989285
commit 0c50c6282e
200 changed files with 7663 additions and 3455 deletions
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源代码/StgSharp/Math/Linear/matrix2x2.cs
+62 -31
View File
@@ -1,12 +1,43 @@
using System.Numerics;
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="matrix2x2.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the “Software”), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software,
// and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and
// this permission notice shall be included in all copies
// or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED “AS IS”,
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH
// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace StgSharp.Math
{
[StructLayout(LayoutKind.Explicit, Size = 2 * 2 * 4 * sizeof(float) + sizeof(bool), Pack = 16)]
[StructLayout(LayoutKind.Explicit, Size = (2 * 2 * 4 * sizeof(float)) + sizeof(bool), Pack = 16)]
public struct Matrix2x2 : IMat
{
[FieldOffset(0)]
internal Mat2 mat;
[FieldOffset(2 * 4 * sizeof(float))]
@@ -14,13 +45,11 @@ namespace StgSharp.Math
[FieldOffset(2 * 2 * 4 * sizeof(float))]
internal bool isTransposed;
public Matrix2x2(
float a00, float a01,
float a10, float a11
internal Matrix2x2(
Mat2 mat
)
{
mat.colum0 = new Vector4(a00, a10, 0, 0);
mat.colum1 = new Vector4(a01, a11, 0, 0);
this.mat = mat;
}
internal Matrix2x2(
@@ -32,11 +61,13 @@ namespace StgSharp.Math
mat.colum1 = c1;
}
internal Matrix2x2(
Mat2 mat
public Matrix2x2(
float a00, float a01,
float a10, float a11
)
{
this.mat = mat;
mat.colum0 = new Vector4(a00, a10, 0, 0);
mat.colum1 = new Vector4(a01, a11, 0, 0);
}
public Matrix2x2 Transpose
@@ -48,6 +79,12 @@ namespace StgSharp.Math
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public float Det()
{
return (mat.m00 * mat.m11) - (mat.m10 * mat.m01);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal void InternalTranspose()
{
@@ -62,16 +99,6 @@ namespace StgSharp.Math
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe Matrix2x2 operator +(Matrix2x2 left, Matrix2x2 right)
{
Mat2* refmat = InternalIO.add_mat2(&left.mat, &right.mat);
Matrix2x2 ret = new Matrix2x2(*refmat);
InternalIO.deinit_mat2(refmat);
return ret;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix2x2 operator -(Matrix2x2 left, Matrix2x2 right)
{
@@ -90,15 +117,6 @@ namespace StgSharp.Math
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix2x2 operator /(Matrix2x2 mat, float value)
{
return new Matrix2x2(
mat.mat.colum0 / value,
mat.mat.colum1 / value
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix2x2 operator *(Matrix2x2 left, Matrix2x2 right)
{
@@ -145,9 +163,22 @@ namespace StgSharp.Math
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public float Det()
public static Matrix2x2 operator /(Matrix2x2 mat, float value)
{
return mat.m00 * mat.m11 - mat.m10 * mat.m01;
return new Matrix2x2(
mat.mat.colum0 / value,
mat.mat.colum1 / value
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe Matrix2x2 operator +(Matrix2x2 left, Matrix2x2 right)
{
Mat2* refmat = InternalIO.add_mat2(&left.mat, &right.mat);
Matrix2x2 ret = new Matrix2x2(*refmat);
InternalIO.deinit_mat2(refmat);
return ret;
}