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stgsharp/源代码/StgSharp/Geometries/Point.cs
T

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C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="Point.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 StgSharp.Math;
using System;
using System.Collections.Generic;
using System.Numerics;
using System.Runtime.InteropServices;
using System.Text;
namespace StgSharp.Geometries
{
[StructLayout(LayoutKind.Explicit, Size = 16)]
public struct Point
{
[FieldOffset(0)] private vec3d coord;
[FieldOffset(0)] internal Vector4 coordVec;
internal Point(vec4d vector)
{
coordVec = vector.vec;
coordVec.W = 1;
}
public Point(vec3d coord)
{
Coord = coord;
coordVec.W = 1;
}
public Point(float x, float y, float z)
{
coordVec = new Vector4(x, y, z, 1);
}
public vec3d Coord
{
get => coord;
set { coord = value; coordVec.W = 1; }
}
}
}