using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ComponentModel; using System.Xml.Serialization; namespace SharpGL.SceneGraph { /// <summary> /// An index into a set of arrays. /// </summary> [Serializable()] public class Index { /// <summary> /// Initializes a new instance of the <see cref="Index"/> class. /// </summary> public Index() { } // Constructors. public Index(Index index) { vertex = index.vertex; uv = index.uv; } public Index(int vertex) { this.vertex = vertex; } public Index(int vertex, int uv) { this.vertex = vertex; this.uv = uv; } public Index(int vertex, int uv, int normal) { this.vertex = vertex; this.uv = uv; this.normal = normal; } /// <summary> /// This is the vertex in the polygon vertex array that the index refers to. /// </summary> private int vertex = -1; /// <summary> /// This is the material coord in the polygon UV array that the index refers to. /// </summary> private int uv = -1; /// <summary> /// This is the index into the normal array for this vertex. A value of -1 will /// generate a normal on the fly. /// </summary> private int normal = -1; /// <summary> /// Gets or sets the vertex. /// </summary> /// <value> /// The vertex. /// </value> [Description("The vertex index from the Polygons Vertex Array."), Category("Index")] [XmlAttribute] public int Vertex { get { return vertex; } set { vertex = value; } } /// <summary> /// Gets or sets the UV. /// </summary> /// <value> /// The UV. /// </value> [Description("The UV index from the polygons UV Array."), Category("Index")] [XmlAttribute] public int UV { get { return uv; } set { uv = value; } } /// <summary> /// Gets or sets the normal. /// </summary> /// <value> /// The normal. /// </value> [Description("The normal index, -1 means a normal will be generated on the fly."), Category("Index")] [XmlAttribute] public int Normal { get { return normal; } set { normal = value; } } } }
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