Implement Change Detection Drawing

CoopSweeper/ArrayHelpers.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CoopSweeper
+{
+    public static class ArrayHelpers
+    {
+        public static T[,] Clone2D<T>(T[,] data) where T : ICloneable<T>
+        {
+            if (data == null)
+                return null;
+            var newArray = new T[data.GetLength(0), data.GetLength(1)];
+            for (var x = 0;  x< data.GetLength(0); x++)
+                for (var y = 0; y < data.GetLength(1); y++)
+                    newArray[x,y] = data[x,y].Clone();
+            return newArray;
+        }
+    }
+}