From 7a379391a89cb53f93ce5f1da43921901ed386b3 Mon Sep 17 00:00:00 2001
From: kamoshi <18511281+kamoshi@users.noreply.github.com>
Date: Thu, 12 Dec 2019 07:31:26 +0100
Subject: [PATCH] Update Day12.scala

---
 2019/Scala/day12/Day12.scala | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/2019/Scala/day12/Day12.scala b/2019/Scala/day12/Day12.scala
index ea77c42..1380ae9 100644
--- a/2019/Scala/day12/Day12.scala
+++ b/2019/Scala/day12/Day12.scala
@@ -35,21 +35,21 @@ class Day12 {
     @scala.annotation.tailrec
     def findFirstXRepeat(array: Array[Moon], n: Int = 1): Int = {
       step(array, 1)
-      if (array(0).posX == -16 && array(1).posX == -14 && array(2).posX == 2 && array(3).posX == -3) n+1
+      if (array(0).posX == -16 && array(1).posX == -14 && array(2).posX == 2 && array(3).posX == -3) n+1 // n+1 because we're looking for kinetic E=0
       else findFirstXRepeat(array, n+1)
     }
 
     @scala.annotation.tailrec
     def findFirstYRepeat(array: Array[Moon], n: Int = 1): Int = {
       step(array, 1)
-      if (array(0).posY == 15 && array(1).posY == 5 && array(2).posY == 0 && array(3).posY == 18) n+1
+      if (array(0).posY == 15 && array(1).posY == 5 && array(2).posY == 0 && array(3).posY == 18) n+1 // n+1 because we're looking for kinetic E=0
       else findFirstYRepeat(array, n+1)
     }
 
     @scala.annotation.tailrec
     def findFirstZRepeat(array: Array[Moon], n: Int = 1): Int = {
       step(array, 1)
-      if (array(0).posZ == -9 && array(1).posZ == 4 && array(2).posZ == 6 && array(3).posZ == 9) n+1
+      if (array(0).posZ == -9 && array(1).posZ == 4 && array(2).posZ == 6 && array(3).posZ == 9) n+1 // n+1 because we're looking for kinetic E=0
       else findFirstZRepeat(array, n+1)
     }