Initial commit

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

@@ -0,0 +1,93 @@
+// -----------------------------------------------------------------------
+// <copyright file="Segment.cs" company="">
+// Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace UnityEngine.U2D.Animation.TriangleNet
+    .Geometry
+{
+    using System;
+
+    /// <summary>
+    /// Represents a straight line segment in 2D space.
+    /// </summary>
+    internal class Segment : ISegment
+    {
+        Vertex v0;
+        Vertex v1;
+
+        int label;
+
+        /// <summary>
+        /// Gets or sets the segments boundary mark.
+        /// </summary>
+        public int Label
+        {
+            get { return label; }
+            set { label = value; }
+        }
+        /// <summary>
+        /// Gets the first endpoints index.
+        /// </summary>
+        public int P0
+        {
+            get { return v0.id; }
+        }
+
+        /// <summary>
+        /// Gets the second endpoints index.
+        /// </summary>
+        public int P1
+        {
+            get { return v1.id; }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Segment" /> class.
+        /// </summary>
+        public Segment(Vertex v0, Vertex v1)
+            : this(v0, v1, 0)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Segment" /> class.
+        /// </summary>
+        public Segment(Vertex v0, Vertex v1, int label)
+        {
+            this.v0 = v0;
+            this.v1 = v1;
+
+            this.label = label;
+        }
+
+        /// <summary>
+        /// Gets the specified segment endpoint.
+        /// </summary>
+        /// <param name="index">The endpoint index (0 or 1).</param>
+        /// <returns></returns>
+        public Vertex GetVertex(int index)
+        {
+            if (index == 0)
+            {
+                return v0;
+            }
+
+            if (index == 1)
+            {
+                return v1;
+            }
+
+            throw new IndexOutOfRangeException();
+        }
+
+        /// <summary>
+        /// WARNING: not implemented.
+        /// </summary>
+        public ITriangle GetTriangle(int index)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}