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stgsharp/StgSharp.Mathematics/Geometries/PlainGeometry/Polygon4.cs
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2026-02-28 00:54:32 +08:00

140 lines
4.3 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="Polygon4"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. 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.Mathematics;
using StgSharp.Mathematics.Graphics;
using System;
using System.Numerics;
namespace StgSharp.Geometries
{
public class Polygon4 : PlainGeometry
{
protected static int[] Indices = [
0,
1,
2,
0,
2,
3
];
internal Polygon4()
: base(PlainCoordinate.StandardPlainCoordination)
{
vertexMat = new Vec4[4];
}
internal Polygon4(
Vec4[] rawCoord
)
: base(PlainCoordinate.StandardPlainCoordination)
{
if (rawCoord.Length != 4) {
throw new ArgumentOutOfRangeException(nameof(rawCoord));
}
vertexMat = rawCoord;
}
public Polygon4(
Point topLeft,
Point topRight,
Point bottomRight,
Point bottomLeft
)
: base(PlainCoordinate.StandardPlainCoordination)
{
this[0] = topLeft;
this[1] = topRight;
this[2] = bottomRight;
this[3] = bottomLeft;
}
public Polygon4(
CoordinationBase coordinate,
PlainCoordinate coordination,
Point topLeft,
Point topRight,
Point bottomRight,
Point bottomLeft
)
: base(coordinate)
{
this[0] = topLeft;
this[1] = topRight;
this[2] = bottomRight;
this[3] = bottomLeft;
}
public Polygon4(
float v0x,
float v0y,
float v1x,
float v1y,
float v2x,
float v2y,
float v3x,
float v3y
)
: base(PlainCoordinate.StandardPlainCoordination)
{
vertexMat = new Vec4[4];
this[0] = new Point(v0x, v0y, 0);
this[1] = new Point(v1x, v1y, 0);
this[2] = new Point(v2x, v2y, 0);
this[3] = new Point(v3x, v3y, 0);
}
public Polygon4(
PlainCoordinate coordination,
float v0x,
float v0y,
float v1x,
float v1y,
float v2x,
float v2y,
float v3x,
float v3y
)
: base(coordination)
{
vertexMat = new Vec4[4];
this[0] = new Point(v0x, v0y, 0);
this[1] = new Point(v1x, v1y, 0);
this[2] = new Point(v2x, v2y, 0);
this[3] = new Point(v3x, v3y, 0);
}
public override ReadOnlySpan<int> VertexIndices => Indices;
}
}