From baa5db467feb98e35ab7f555ea5b9e55a5d52312 Mon Sep 17 00:00:00 2001
From: Bas Dado <bas@orbitgames.nl>
Date: Thu, 12 Dec 2019 01:05:27 +0100
Subject: [PATCH] Day 10 code cleanup

---
 .../com/basdado/adventofcode/day10/Day10.kt   | 27 +------------------
 1 file changed, 1 insertion(+), 26 deletions(-)

diff --git a/src/main/kotlin/com/basdado/adventofcode/day10/Day10.kt b/src/main/kotlin/com/basdado/adventofcode/day10/Day10.kt
index ab58060..5b82ca2 100644
--- a/src/main/kotlin/com/basdado/adventofcode/day10/Day10.kt
+++ b/src/main/kotlin/com/basdado/adventofcode/day10/Day10.kt
@@ -10,23 +10,6 @@ import kotlin.math.min
 const val DAY10_INPUT_PATH = "/day/10/input.txt"
 
 fun main() {
-
-//    val circle = listOf(
-//        Day10.Vector2i(0, 1),
-//        Day10.Vector2i(1, 1),
-//        Day10.Vector2i(1, 0),
-//        Day10.Vector2i(0, -1),
-//        Day10.Vector2i(-1, -1),
-//        Day10.Vector2i(-1, 0),
-//        Day10.Vector2i(-1, 1)
-//        )
-//
-//    circle.map {
-//        - (it.angle() + 0.5 * PI)
-//    }.map { if (it < 0) it + 2 * PI else it }.forEach(::println)
-
-//    println(Day10.Vector2i(5, 2).angle())
-
     Day10.puzzle1()
     Day10.puzzle2()
 }
@@ -42,20 +25,14 @@ object Day10 {
     fun puzzle2() {
         val asteroids = loadAsteroids()
         val optimalAsteroid = optimalAsteroidsPerDirection(asteroids)
-//        val optimalAsteroid = Pair(Vector2i(8, 3), asteroidsPerDirection(Vector2i(8, 3), asteroids))
 //        println(optimalAsteroid.first)
-//        optimalAsteroid.second.keys.forEach {
-//            var angle = (it.angle() + 0.5 * PI);
-//            angle = if (angle < 0) 2*PI + angle else angle
-//            println("(${it.x}, ${it.y}) = $angle")
-//        }
         val sortedAsteroidLists = optimalAsteroid.second
             .entries
             .sortedBy { val angle = (it.key.angle() + 0.5 * PI); if (angle < 0) 2*PI + angle else angle }
             .map { it.value.sortedBy( Vector2i::manhattan ) }
         // And now we're gonna keep taking one of each list until we reach number 200
         var listIndex = 0
-        var itemIndexPerList = IntArray(sortedAsteroidLists.size)
+        val itemIndexPerList = IntArray(sortedAsteroidLists.size)
         var i = 0
         var curItem: Vector2i? = null
         while (i < 200) {
@@ -108,8 +85,6 @@ object Day10 {
         operator fun plus(v: Vector2i) = Vector2i(x + v.x, y + v.y)
     }
 
-    val ORIGIN = Vector2i(0, 0)
-
     fun gcd(n1: Int, n2: Int) = when {
         n1 == 0 && n2 == 0 -> 1 // Actually undefined/any number, but whatever
         n1 == 0 -> abs(n2)