Add ultimate xr

Assets/UltimateXR/Runtime/Scripts/Extensions/Unity/Render/RendererExt.cs

@@ -0,0 +1,50 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="RendererExt.cs" company="VRMADA">
+//   Copyright (c) VRMADA, All rights reserved.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+using System.Collections.Generic;
+using UltimateXR.Extensions.System;
+using UnityEngine;
+
+namespace UltimateXR.Extensions.Unity.Render
+{
+    /// <summary>
+    ///     <see cref="Renderer" /> extensions.
+    /// </summary>
+    public static class RendererExt
+    {
+        #region Public Methods
+        
+        /// <summary>
+        ///     Calculates the <see cref="Bounds" /> encapsulating a set of renderers.
+        /// </summary>
+        /// <param name="renderers">Renderers to compute the bounds for</param>
+        /// <returns><see cref="Bounds" /> encapsulating all renderers</returns>
+        public static Bounds CalculateBounds(this IEnumerable<Renderer> renderers)
+        {
+            renderers.ThrowIfNull(nameof(renderers));
+
+            Bounds bounds  = default;
+            bool   isFirst = true;
+
+            foreach (Renderer r in renderers)
+            {
+                Bounds b = r.bounds;
+                if (isFirst)
+                {
+                    bounds  = r.bounds;
+                    isFirst = false;
+                }
+                else
+                {
+                    bounds.Encapsulate(b);
+                }
+            }
+
+            return bounds;
+        }
+
+        #endregion
+    }
+}