From af8856188d4ff2e62d2c1cf0e9a190fd7bc19920 Mon Sep 17 00:00:00 2001
From: Nejcraft <nejcraftplays@gmail.com>
Date: Fri, 16 Jul 2021 04:32:47 +0200
Subject: [PATCH] Rectangle distance

Will be usefull for my UI nav
---
 Source/Engine/Core/Math/Rectangle.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Source/Engine/Core/Math/Rectangle.cs b/Source/Engine/Core/Math/Rectangle.cs
index d1fb16abc..885cf6d37 100644
--- a/Source/Engine/Core/Math/Rectangle.cs
+++ b/Source/Engine/Core/Math/Rectangle.cs
@@ -284,6 +284,17 @@ namespace FlaxEngine
             Vector2 toExpand = Size * (scale - 1.0f) * 0.5f;
             return new Rectangle(Location - toExpand * 0.5f, Size + toExpand);
         }
+        
+        /// <summary>
+        /// Computed nearest distance between 2 rectangles.
+        /// </summary>
+        /// <param name="w">Firat rectangle</param>
+        /// <param name="b">Second rectangle</param>
+        /// <returns>Resulting distance, 0 if overlapping</returns>
+        public static float Distance(Rectangle a, Rectangle b)
+        {
+             return Vector2.Max(Vector2.Zero, Vector2.Abs(a.Center - b.Center) - (a.Size * 0.5f - b.Size * 0.5f)).Length;
+        }
 
         /// <summary>
         /// Calculates a rectangle that includes the margins (inside).