From ba3f0aef8badc9c4e5c15f4e3cc49a9b64fe7b5a Mon Sep 17 00:00:00 2001
From: Vladimir Olteanu <vladimir.olteanu@cs.pub.ro>
Date: Tue, 1 Jun 2021 08:39:45 +0300
Subject: [PATCH] Introduce Point::Absolute and Point::ManhattanDistance

---
 Source/engine.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Source/engine.h b/Source/engine.h
index 246a56ec2..a5042a478 100644
--- a/Source/engine.h
+++ b/Source/engine.h
@@ -190,6 +190,18 @@ struct Point {
 
 		return (approx + 512) / 1024;
 	}
+
+	Point Absolute() const
+	{
+		return { abs(x), abs(y) };
+	}
+
+	int ManhattanDistance(Point other) const
+	{
+		Point offset = (*this - other).Absolute();
+
+		return offset.x + offset.y;
+	}
 };
 
 struct Size {