From 6e59957247c8ae2b8c7db22b952c649cd2d3ad4c Mon Sep 17 00:00:00 2001
From: Orange <orange-cpp@yandex.ru>
Date: Sun, 9 Nov 2025 14:19:08 +0300
Subject: [PATCH] Adds mat_scale function

Introduces a utility function to create a scaling matrix from a Vector3.
This simplifies the creation of scale transformations, particularly useful for the GJK algorithm implementation.
---
 include/omath/linear_algebra/mat.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/omath/linear_algebra/mat.hpp b/include/omath/linear_algebra/mat.hpp
index 75c4848..18b7d71 100644
--- a/include/omath/linear_algebra/mat.hpp
+++ b/include/omath/linear_algebra/mat.hpp
@@ -586,6 +586,17 @@ namespace omath
                 {0, 0, 0, 1},
         };
     }
+    template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
+    [[nodiscard]]
+    constexpr Mat<4, 4, Type, St> mat_scale(const Vector3<Type>& scale) noexcept
+    {
+        return {
+                {scale.x, 0, 0, 0},
+                {0, scale.y, 0, 0},
+                {0, 0, scale.z, 0},
+                {0, 0, 0, 1},
+        };
+    }
 
     template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
     [[nodiscard]]