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stgsharp/源代码/StgSharp/Geometries/PlainGeometry/Define/PlainGeometry.cs
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//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="PlainGeometry.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.Graphics;
using StgSharp.Math;
using System;
using System.ComponentModel;
namespace StgSharp.Geometries
{
/// <summary>
/// Plain geometry only contains straight sides.
/// </summary>
public abstract class PlainGeometry : IGeometry
{
protected vec4d[] vertexMat;
internal ICoord coordinate;
public PlainGeometry()
{
}
public vec4d this[int index]
{
get => vertexMat[index];
set => vertexMat[index] = value;
}
public ICoord ReferenceCoordinate => this.coordinate;
public int VertexCount => this.vertexMat.Length;
public abstract ReadOnlySpan<int> VertexIndices { get; }
#pragma warning disable CA1819
public vec4d[] VertexStream => vertexMat;
#pragma warning restore CA1819
}
}