126 lines
3.6 KiB
C#
126 lines
3.6 KiB
C#
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// -----------------------------------------------------------------------
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// <copyright file="Vertex.cs" company="">
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// Original Triangle code by Jonathan Richard Shewchuk, http://www.cs.cmu.edu/~quake/triangle.html
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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 TriangleNet.Geometry
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{
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using System;
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using TriangleNet.Topology;
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/// <summary>
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/// The vertex data structure.
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/// </summary>
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public class Vertex : Point
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{
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// Hash for dictionary. Will be set by mesh instance.
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internal int hash;
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#if USE_ATTRIBS
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internal double[] attributes;
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#endif
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internal VertexType type;
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internal Otri tri;
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/// <summary>
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/// Initializes a new instance of the <see cref="Vertex" /> class.
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/// </summary>
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public Vertex()
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: this(0, 0, 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="Vertex" /> class.
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/// </summary>
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/// <param name="x">The x coordinate of the vertex.</param>
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/// <param name="y">The y coordinate of the vertex.</param>
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public Vertex(double x, double y)
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: this(x, y, 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="Vertex" /> class.
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/// </summary>
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/// <param name="x">The x coordinate of the vertex.</param>
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/// <param name="y">The y coordinate of the vertex.</param>
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/// <param name="mark">The boundary mark.</param>
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public Vertex(double x, double y, int mark)
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: base(x, y, mark)
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{
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this.type = VertexType.InputVertex;
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}
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#if USE_ATTRIBS
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/// <summary>
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/// Initializes a new instance of the <see cref="Vertex" /> class.
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/// </summary>
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/// <param name="x">The x coordinate of the vertex.</param>
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/// <param name="y">The y coordinate of the vertex.</param>
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/// <param name="mark">The boundary mark.</param>
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/// <param name="attribs">The number of point attributes.</param>
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public Vertex(double x, double y, int mark, int attribs)
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: this(x, y, mark)
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{
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if (attribs > 0)
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{
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this.attributes = new double[attribs];
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}
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}
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#endif
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#region Public properties
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#if USE_ATTRIBS
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/// <summary>
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/// Gets the vertex attributes (may be null).
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/// </summary>
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public double[] Attributes
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{
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get { return this.attributes; }
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}
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#endif
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/// <summary>
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/// Gets the vertex type.
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/// </summary>
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public VertexType Type
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{
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get { return this.type; }
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}
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/// <summary>
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/// Gets the specified coordinate of the vertex.
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/// </summary>
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/// <param name="i">Coordinate index.</param>
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/// <returns>X coordinate, if index is 0, Y coordinate, if index is 1.</returns>
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public double this[int i]
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{
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get
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{
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if (i == 0)
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{
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return x;
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}
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if (i == 1)
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{
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return y;
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}
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throw new ArgumentOutOfRangeException("Index must be 0 or 1.");
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}
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}
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#endregion
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public override int GetHashCode()
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{
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return this.hash;
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}
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}
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}
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