Add ultimate xr

Assets/UltimateXR/Runtime/Scripts/Animation/Splines/UxrSpline.Sample.cs

@@ -0,0 +1,58 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="UxrSpline.Sample.cs" company="VRMADA">
+//   Copyright (c) VRMADA, All rights reserved.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+using UnityEngine;
+
+namespace UltimateXR.Animation.Splines
+{
+    public abstract partial class UxrSpline
+    {
+        #region Private Types & Data
+
+        /// <summary>
+        ///     Pre-computed curve sample, used for arc-length parametrization.
+        /// </summary>
+        private class Sample
+        {
+            #region Public Types & Data
+
+            /// <summary>
+            ///     Gets the global spline evaluation t value this sample represents.
+            /// </summary>
+            public float LerpT { get; }
+
+            /// <summary>
+            ///     Gets the arc-length distance to the start of the spline.
+            /// </summary>
+            public float Distance { get; }
+
+            /// <summary>
+            ///     Gets the interpolated spline value.
+            /// </summary>
+            public Vector3 Position { get; }
+
+            #endregion
+
+            #region Constructors & Finalizer
+
+            /// <summary>
+            ///     Constructor
+            /// </summary>
+            /// <param name="t">Interpolation value [0.0, 1.0] between the spline start and end position.</param>
+            /// <param name="distance">Arc-length distance to the start</param>
+            /// <param name="position">Spline position</param>
+            public Sample(float t, float distance, Vector3 position)
+            {
+                LerpT    = t;
+                Distance = distance;
+                Position = position;
+            }
+
+            #endregion
+        }
+
+        #endregion
+    }
+}