Update Dimension.cs

N Space/Dimension.cs

@@ -1,7 +1,8 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace N_Space {
-    class Dimension {
+    public class Dimension {
         private readonly int _index;
         private Dimension _parent;      //These are the dimensional parents so in (1,2) the dimension that has the index=1 would be the parent of the dimention that has the index=2
         private List<Dimension> _child;
@@ -39,8 +40,43 @@ namespace N_Space {
             return _child;
         }
 
+        public Dimension GetChild(int? n) {
+            if (n == null) {
+                return null;
+            }
+            return _child[System.Convert.ToInt32(n)];
+        }
+
         public Location GetLocation() {
             return _location;
         }
+
+        public int? GetChildIndexOf(int n) {
+            if (_child.Count > 0) {
+                return FindChildIndexOf(n, _child, 0);
+            }
+            return null;
+        }
+
+        private int? FindChildIndexOf(int n, List<Dimension> list, int indexHoldOver) {
+            int breakpoint = list.Count / 2;
+            List<Dimension> part = new List<Dimension>();
+            if (n > list[breakpoint].GetIndex() && list.Count > 1) {
+                for (int i = breakpoint; i < list.Count; i++) {
+                    part.Add(list[i]);
+                }
+                return FindChildIndexOf(n, part, breakpoint + indexHoldOver);
+            } else if (n < list[breakpoint].GetIndex() && list.Count > 1) {
+                for (int i = 0; i < breakpoint; i++) {
+                    part.Add(list[i]);
+                }
+                return FindChildIndexOf(n, part, indexHoldOver);
+            } else if (n == list[breakpoint].GetIndex()) {
+                return breakpoint + indexHoldOver;
+            }
+            else {
+                return null;
+            }
+        }
     }
 }