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daily update on 2024.03.18 by itload youmu

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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/matrix3x2.cs
+80 -46
View File
@@ -1,19 +1,59 @@
using System;
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="matrix3x2.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;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace StgSharp.Math
{
[StructLayout(LayoutKind.Explicit, Size = 5 * 4 * sizeof(float) + sizeof(bool), Pack = 16)]
[StructLayout(LayoutKind.Explicit, Size = (5 * 4 * sizeof(float)) + sizeof(bool), Pack = 16)]
public struct Matrix3x2
{
[FieldOffset(0)] internal Mat2 mat;
[FieldOffset(0)] internal vec3d colum0;
[FieldOffset(4 * 4)] internal vec3d colum1;
[FieldOffset(2 * 4 * sizeof(float))] internal Mat3 transpose;
[FieldOffset(5 * 4 * sizeof(float))] internal bool isTransposed;
internal Matrix3x2(
Vector4 c0,
Vector4 c1
)
{
mat.colum0 = c0;
mat.colum1 = c1;
}
public unsafe Matrix3x2(
float a00, float a01,
@@ -30,86 +70,71 @@ namespace StgSharp.Math
#endif
}
internal Matrix3x2(
Vector4 c0,
Vector4 c1
)
{
mat.colum0 = c0;
mat.colum1 = c1;
}
public vec3d VerticalVecMultiply(Vec2d vec)
{
return colum0 * vec.X + colum1 * vec.Y;
}
public unsafe float this[int rowNum, int columNum]
{
get
{
if (rowNum > 2 || rowNum < 0)
if ((rowNum > 2) || (rowNum < 0))
{
throw new ArgumentOutOfRangeException(nameof(columNum));
}
if (columNum > 1 || columNum < 0)
if ((columNum > 1) || (columNum < 0))
{
throw new ArgumentOutOfRangeException(nameof(columNum));
}
InternalTranspose();
fixed (float* p = &this.transpose.m00)
{
ulong pbit = (ulong)p
+ (ulong)sizeof(Vector4) * (ulong)rowNum
+ (ulong)sizeof(float) * (ulong)columNum;
ulong pbit = ((ulong)p)
+ (((ulong)sizeof(Vector4)) * ((ulong)rowNum))
+ (((ulong)sizeof(float)) * ((ulong)columNum));
return *(float*)pbit;
}
}
set
{
if (rowNum > 2 || rowNum < 0)
if ((rowNum > 2) || (rowNum < 0))
{
throw new ArgumentOutOfRangeException(nameof(columNum));
}
if (columNum > 1 || columNum < 0)
if ((columNum > 1) || (columNum < 0))
{
throw new ArgumentOutOfRangeException(nameof(columNum));
}
InternalTranspose();
fixed (float* p = &this.transpose.m00)
{
ulong pbit = (ulong)p
+ (ulong)sizeof(Vector4) * (ulong)rowNum
+ (ulong)sizeof(float) * (ulong)columNum;
ulong pbit = ((ulong)p)
+ (((ulong)sizeof(Vector4)) * ((ulong)rowNum))
+ (((ulong)sizeof(float)) * ((ulong)columNum));
*(float*)pbit = value;
}
isTransposed = false;
}
}
public vec3d VerticalVecMultiply(Vec2d vec)
{
return (colum0 * vec.X) + (colum1 * vec.Y);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal unsafe void InternalTranspose()
{
if (!isTransposed)
{
fixed (Mat2* source = &this.mat)
fixed (Mat3* target = &this.transpose)
{
InternalIO.Transpose2to3_internal(source, target);
fixed (Mat3* target = &this.transpose)
{
InternalIO.Transpose2to3_internal(source, target);
}
}
isTransposed = true;
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix3x2 operator +(Matrix3x2 left, Matrix3x2 right)
{
return new Matrix3x2(
left.mat.colum0 + right.mat.colum0,
left.mat.colum1 + right.mat.colum1
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix3x2 operator -(Matrix3x2 left, Matrix3x2 right)
{
@@ -128,15 +153,6 @@ namespace StgSharp.Math
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix3x2 operator /(Matrix3x2 mat, float value)
{
return new Matrix3x2(
mat.mat.colum0 / value,
mat.mat.colum1 / value
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix3x2 operator *(Matrix3x2 left, Matrix2x2 right)
{
@@ -194,6 +210,24 @@ namespace StgSharp.Math
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix3x2 operator /(Matrix3x2 mat, float value)
{
return new Matrix3x2(
mat.mat.colum0 / value,
mat.mat.colum1 / value
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Matrix3x2 operator +(Matrix3x2 left, Matrix3x2 right)
{
return new Matrix3x2(
left.mat.colum0 + right.mat.colum0,
left.mat.colum1 + right.mat.colum1
);
}
}
}