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daily update on 20240209 by nitload youmu

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Nitload
2024-02-09 23:31:33 +08:00
parent 6fe6b3b3cf
commit 8391569482
159 changed files with 948 additions and 2431 deletions
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源代码/StgSharp/Math/Linear/vec2d.cs
+21 -23
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@@ -4,12 +4,10 @@ using System.Runtime.InteropServices;
namespace StgSharp.Math
{
/// <summary>
/// A two dimension vector defined by two elements.
/// Vec2Ds in StgSharp are defaultly usaed as colum vector.
/// </summary>
[StructLayout(LayoutKind.Explicit, Size = 16, Pack = 16)]
public struct Vec2d
{
@@ -21,10 +19,17 @@ namespace StgSharp.Math
[FieldOffset(0)]
internal Vector4 vec;
[FieldOffset(0)]
internal Vector2 v;
public Vec2d(float x, float y)
{
X = x; Y = y;
v = new Vector2(x, y);
}
internal Vec2d(Vector2 vec)
{
v = vec;
}
public static Vec2d Zero
@@ -32,43 +37,36 @@ namespace StgSharp.Math
get { return new Vec2d(0, 0); }
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Vec2d operator +(Vec2d vec1, Vec2d vec2)
public static Vec2d Unit
{
return new Vec2d(
vec1.X + vec2.X,
vec1.Y + vec2.Y
);
get { return new Vec2d(1, 1); }
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Vec2d operator -(Vec2d vec1, Vec2d vec2)
public static Vec2d operator +(Vec2d left, Vec2d right)
{
return new Vec2d(
vec1.X - vec2.X,
vec1.Y - vec2.Y
);
return new Vec2d(left.v + right.v);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Vec2d operator -(Vec2d left, Vec2d right)
{
return new Vec2d(left.v - right.v);
}
public static Vec2d operator *(Vec2d vec, float value)
{
return new Vec2d(
vec.X * value,
vec.Y * value
);
return new Vec2d(vec.v * value);
}
public static Vec2d operator /(Vec2d vec, float value)
{
return new Vec2d(
vec.X / value,
vec.Y / value
);
return new Vec2d(vec.v / value);
}
public static bool operator ==(Vec2d left, Vec2d right)
{
return left.X == right.X && left.Y == right.Y;
return left.v == right.v;
}
public static bool operator !=(Vec2d left, Vec2d right)