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

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+// -----------------------------------------------------------------------
+// <copyright file="ITriangle.cs" company="">
+// Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace UnityEngine.U2D.Animation.TriangleNet
+    .Geometry
+{
+    using Animation.TriangleNet.Topology;
+
+    /// <summary>
+    /// Triangle interface.
+    /// </summary>
+    internal interface ITriangle
+    {
+        /// <summary>
+        /// Gets or sets the triangle ID.
+        /// </summary>
+        int ID { get; set; }
+
+        /// <summary>
+        /// Gets or sets a general-purpose label.
+        /// </summary>
+        /// <remarks>
+        /// This is used for region information.
+        /// </remarks>
+        int Label { get; set; }
+
+        /// <summary>
+        /// Gets or sets the triangle area constraint.
+        /// </summary>
+        double Area { get; set; }
+
+        /// <summary>
+        /// Gets the vertex at given index.
+        /// </summary>
+        /// <param name="index">The local index (0, 1 or 2).</param>
+        /// <returns>The vertex.</returns>
+        Vertex GetVertex(int index);
+
+        /// <summary>
+        /// Gets the ID of the vertex at given index.
+        /// </summary>
+        /// <param name="index">The local index (0, 1 or 2).</param>
+        /// <returns>The vertex ID.</returns>
+        int GetVertexID(int index);
+
+        /// <summary>
+        /// Gets the neighbor triangle at given index.
+        /// </summary>
+        /// <param name="index">The local index (0, 1 or 2).</param>
+        /// <returns>The neighbor triangle.</returns>
+        ITriangle GetNeighbor(int index);
+
+        /// <summary>
+        /// Gets the ID of the neighbor triangle at given index.
+        /// </summary>
+        /// <param name="index">The local index (0, 1 or 2).</param>
+        /// <returns>The neighbor triangle ID.</returns>
+        int GetNeighborID(int index);
+
+        /// <summary>
+        /// Gets the segment at given index.
+        /// </summary>
+        /// <param name="index">The local index (0, 1 or 2).</param>
+        /// <returns>The segment.</returns>
+        ISegment GetSegment(int index);
+    }
+}