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daily update on 20230822 by nitload youmu

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Nitload
2023-08-22 23:01:20 +08:00
parent 969406c4e4
commit 8aac9fee87
111 changed files with 3205 additions and 11145 deletions
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源代码/StgSharp/Math/Linear/vec2d.cs
+21 -29
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@@ -1,4 +1,5 @@
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace StgSharp.Math
@@ -8,67 +9,58 @@ namespace StgSharp.Math
/// A two dimension vector defined by two elements.
/// Vec2Ds in StgSharp are defaultly usaed as colum vector.
/// </summary>
public class Vec2d
[StructLayout(LayoutKind.Explicit, Size = 16,Pack = 16)]
public struct Vec2d
{
internal M128Map _map;
internal IntPtr _m128Ptr;
[FieldOffset(0)]
public float X;
[FieldOffset(4)]
public float Y;
public unsafe float X
{
get { return (*(M128*)_m128Ptr).single_0; }
set { (*(M128*)_m128Ptr).single_0 = value; }
}
public unsafe float Y
{
get { return (*(M128*)_m128Ptr).single_1; }
set { (*(M128*)_m128Ptr).single_1 = value; }
}
[FieldOffset(0)]
internal M128 vec;
public Vec2d(float x, float y)
{
_m128Ptr = internalIO.load_internal(x, y, 0, 0);
}
internal Vec2d(IntPtr value)
{
_m128Ptr = value;
X = x; Y = y;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Vec2d operator +(Vec2d vec1, Vec2d vec2)
{
return new Vec2d(
internalIO.addps_internal(vec1._m128Ptr,vec2._m128Ptr)
vec1.X + vec2.X,
vec1.Y + vec2.Y
);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Vec2d operator -(Vec2d vec1, Vec2d vec2)
{
return new Vec2d(
internalIO.subps_internal(vec1._m128Ptr,vec2._m128Ptr)
vec1.X - vec2.X,
vec1.Y - vec2.Y
);
}
public static Vec2d operator *(Vec2d vec, float value)
{
return new Vec2d(
internalIO.mulps_const_internal(vec._m128Ptr,value)
vec.X * value,
vec.Y * value
);
}
public static Vec2d operator /(Vec2d vec, float value)
{
return new Vec2d(
internalIO.divps_const_internal(vec._m128Ptr, value)
vec.X / value,
vec.Y / value
);
}
public static float operator *(Vec2d vec1, Vec2d vec2)
{
return internalIO.mulps_sum_internal(vec1._m128Ptr, vec2._m128Ptr);
}
}