Initial commit

Library/PackageCache/com.unity.2d.animation@3.2.6/Runtime/Triangle/Geometry/Vertex.cs

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+// -----------------------------------------------------------------------
+// <copyright file="Vertex.cs" company="">
+// Original Triangle code by Jonathan Richard Shewchuk, http://www.cs.cmu.edu/~quake/triangle.html
+// Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace UnityEngine.U2D.Animation.TriangleNet
+    .Geometry
+{
+    using System;
+    using Animation.TriangleNet.Topology;
+
+    /// <summary>
+    /// The vertex data structure.
+    /// </summary>
+    internal class Vertex : Point
+    {
+        // Hash for dictionary. Will be set by mesh instance.
+        internal int hash;
+
+#if USE_ATTRIBS
+        internal double[] attributes;
+#endif
+        internal VertexType type;
+        internal Otri tri;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Vertex" /> class.
+        /// </summary>
+        public Vertex()
+            : this(0, 0, 0)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Vertex" /> class.
+        /// </summary>
+        /// <param name="x">The x coordinate of the vertex.</param>
+        /// <param name="y">The y coordinate of the vertex.</param>
+        public Vertex(double x, double y)
+            : this(x, y, 0)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Vertex" /> class.
+        /// </summary>
+        /// <param name="x">The x coordinate of the vertex.</param>
+        /// <param name="y">The y coordinate of the vertex.</param>
+        /// <param name="mark">The boundary mark.</param>
+        public Vertex(double x, double y, int mark)
+            : base(x, y, mark)
+        {
+            this.type = VertexType.InputVertex;
+        }
+
+#if USE_ATTRIBS
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Vertex" /> class.
+        /// </summary>
+        /// <param name="x">The x coordinate of the vertex.</param>
+        /// <param name="y">The y coordinate of the vertex.</param>
+        /// <param name="mark">The boundary mark.</param>
+        /// <param name="attribs">The number of point attributes.</param>
+        public Vertex(double x, double y, int mark, int attribs)
+            : this(x, y, mark)
+        {
+            if (attribs > 0)
+            {
+                this.attributes = new double[attribs];
+            }
+        }
+
+#endif
+
+        #region Public properties
+
+#if USE_ATTRIBS
+        /// <summary>
+        /// Gets the vertex attributes (may be null).
+        /// </summary>
+        public double[] Attributes
+        {
+            get { return this.attributes; }
+        }
+#endif
+
+        /// <summary>
+        /// Gets the vertex type.
+        /// </summary>
+        public VertexType Type
+        {
+            get { return this.type; }
+        }
+
+        /// <summary>
+        /// Gets the specified coordinate of the vertex.
+        /// </summary>
+        /// <param name="i">Coordinate index.</param>
+        /// <returns>X coordinate, if index is 0, Y coordinate, if index is 1.</returns>
+        public double this[int i]
+        {
+            get
+            {
+                if (i == 0)
+                {
+                    return x;
+                }
+
+                if (i == 1)
+                {
+                    return y;
+                }
+
+                throw new ArgumentOutOfRangeException("Index must be 0 or 1.");
+            }
+        }
+
+        #endregion
+
+        public override int GetHashCode()
+        {
+            return this.hash;
+        }
+    }
+}