From ea9dcc843b81397634c5f0dd1a1e507c212db7b2 Mon Sep 17 00:00:00 2001
From: alestiago <dev@alestiago.com>
Date: Fri, 11 Mar 2022 09:59:32 +0000
Subject: [PATCH] refactor: simplified centroid function

---
 lib/game/components/sling_shot.dart | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/lib/game/components/sling_shot.dart b/lib/game/components/sling_shot.dart
index f59e7c0d..b38f1970 100644
--- a/lib/game/components/sling_shot.dart
+++ b/lib/game/components/sling_shot.dart
@@ -66,9 +66,7 @@ class SlingShot extends BodyComponent {
 /// For more information: https://en.wikipedia.org/wiki/Centroid
 // TODO(alestiago): move to geometry package.
 Vector2 centroid(List<Vector2> vertices) {
-  final centroid = Vector2.zero();
-  for (final vertex in vertices) {
-    centroid.add(vertex);
-  }
-  return centroid / vertices.length.toDouble();
+  assert(vertices.isNotEmpty, 'Vertices must not be empty');
+  final sum = vertices.reduce((a, b) => a + b);
+  return sum / vertices.length.toDouble();
 }