From 468615e4cbeb93b63cd274ef5433eb3bf1a3c530 Mon Sep 17 00:00:00 2001
From: Syntriax <syntriax@gmail.com>
Date: Wed, 24 Jan 2024 12:46:31 +0300
Subject: [PATCH] feat: AABB.FromVectors

---
 Engine.Physics2D/Primitives/AABB.cs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Engine.Physics2D/Primitives/AABB.cs b/Engine.Physics2D/Primitives/AABB.cs
index 5ffef2b..3d54e17 100644
--- a/Engine.Physics2D/Primitives/AABB.cs
+++ b/Engine.Physics2D/Primitives/AABB.cs
@@ -1,14 +1,36 @@
+using System.Collections.Generic;
+
 using Syntriax.Engine.Core;
 
 namespace Syntriax.Engine.Physics2D.Primitives;
 
 public record AABB(Vector2D LowerBoundary, Vector2D UpperBoundary)
 {
+    public static AABB FromVector2Ds(IList<Vector2D> vectors)
+    {
+        if (vectors.Count < 2)
+            throw new System.ArgumentException($"Parameter {nameof(vectors)} must have at least 2 items.");
+
+        Vector2D lowerBoundary = vectors[0];
+        Vector2D upperBoundary = vectors[0];
+
+        for (int i = 1; i < vectors.Count; i++)
+        {
+            Vector2D vector = vectors[i];
+            lowerBoundary = Vector2D.Min(lowerBoundary, vector);
+            upperBoundary = Vector2D.Max(upperBoundary, vector);
+        }
+
+        return new(lowerBoundary, upperBoundary);
+    }
+
     public static bool ApproximatelyEquals(AABB left, AABB right)
         => left.LowerBoundary.ApproximatelyEquals(right.LowerBoundary) && left.UpperBoundary.ApproximatelyEquals(right.UpperBoundary);
 }
 
 public static class AABBExtensions
 {
+    public static AABB ToAABB(this IList<Vector2D> vectors) => AABB.FromVector2Ds(vectors);
+
     public static bool ApproximatelyEquals(this AABB left, AABB right) => AABB.ApproximatelyEquals(left, right);
 }