94 lines
2.2 KiB
C#
94 lines
2.2 KiB
C#
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// -----------------------------------------------------------------------
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// <copyright file="Segment.cs" company="">
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// Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
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// </copyright>
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// -----------------------------------------------------------------------
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namespace UnityEngine.U2D.Animation.TriangleNet
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.Geometry
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{
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using System;
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/// <summary>
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/// Represents a straight line segment in 2D space.
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/// </summary>
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internal class Segment : ISegment
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{
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Vertex v0;
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Vertex v1;
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int label;
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/// <summary>
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/// Gets or sets the segments boundary mark.
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/// </summary>
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public int Label
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{
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get { return label; }
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set { label = value; }
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}
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/// <summary>
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/// Gets the first endpoints index.
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/// </summary>
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public int P0
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{
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get { return v0.id; }
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}
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/// <summary>
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/// Gets the second endpoints index.
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/// </summary>
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public int P1
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{
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get { return v1.id; }
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Segment" /> class.
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/// </summary>
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public Segment(Vertex v0, Vertex v1)
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: this(v0, v1, 0)
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{
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Segment" /> class.
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/// </summary>
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public Segment(Vertex v0, Vertex v1, int label)
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{
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this.v0 = v0;
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this.v1 = v1;
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this.label = label;
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}
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/// <summary>
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/// Gets the specified segment endpoint.
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/// </summary>
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/// <param name="index">The endpoint index (0 or 1).</param>
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/// <returns></returns>
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public Vertex GetVertex(int index)
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{
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if (index == 0)
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{
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return v0;
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}
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if (index == 1)
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{
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return v1;
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}
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throw new IndexOutOfRangeException();
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}
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/// <summary>
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/// WARNING: not implemented.
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/// </summary>
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public ITriangle GetTriangle(int index)
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{
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throw new NotImplementedException();
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}
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}
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}
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