Edge.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace Triangulator.Geometry
{
 /// <summary>
 /// Edge made from two point indexes
    /// used by the Delaunay Triangulator
 /// </summary>
 public class Edge : IEquatable<Edge>
 {
  /// <summary>
  /// Start of edge index
  /// </summary>
  public int p1;
  /// <summary>
  /// End of edge index
  /// </summary>
  public int p2;
  /// <summary>
  /// Initializes a new edge instance
  /// </summary>
  /// <param name="point1">Start edge vertex index</param>
  /// <param name="point2">End edge vertex index</param>
  public Edge(int point1, int point2)
  {
   p1 = point1; p2 = point2;
  }
  /// <summary>
  /// Initializes a new edge instance with start/end indexes of '0'
  /// </summary>
  public Edge()
   : this(0, 0)
  {
  }

  #region IEquatable<dEdge> Members

  /// <summary>
  /// Checks whether two edges are equal disregarding the direction of the edges
  /// </summary>
  /// <param name="other"></param>
  /// <returns></returns>
  public bool Equals(Edge other)
  {
   return
    ((this.p1 == other.p2) && (this.p2 == other.p1)) ||
    ((this.p1 == other.p1) && (this.p2 == other.p2));
  }

  #endregion
 }
}

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