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Assets/ThirdParty/DestroyIt/Scripts/Runtime/Extensions/ArrayExtensions.cs

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+using System;
+
+namespace DestroyIt
+{
+    public static class ArrayExtensions
+    {
+        /// <summary>Provides a quick way to remove elements from a standard array.</summary>
+        public static T[] RemoveAllAt<T>(this T[] array, int[] removeIndices)
+        {
+            T[] newArray = new T[0];
+
+            if (removeIndices.Length == 0) return array;
+            if (removeIndices.Length >= array.Length) return newArray;
+
+            newArray = new T[array.Length];
+            int i = 0;
+            int j = 0;
+            int itemsKept = 0;
+            while (i < array.Length)
+            {
+                bool keepItem = true;
+                for (int x = 0; x < removeIndices.Length; x++)
+                {
+                    if (i == removeIndices[x])
+                        keepItem = false;
+                }
+                if (keepItem)
+                {
+                    itemsKept++;
+                    newArray[j] = array[i];
+                    j++;
+                }
+                i++;
+            }
+            Array.Resize(ref newArray, itemsKept);
+            return newArray;
+        }
+    }
+}