From cf372b7dc89937dab369df4c8d85d2a8fcdc7314 Mon Sep 17 00:00:00 2001
From: Zack Buhman <zack@buhman.org>
Date: Wed, 16 Jul 2025 13:01:17 -0500
Subject: [PATCH] vec3: add *=

---
 math/vec3.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/math/vec3.hpp b/math/vec3.hpp
index 98240aa..92ee3df 100644
--- a/math/vec3.hpp
+++ b/math/vec3.hpp
@@ -26,6 +26,7 @@ struct vec<3, T>
   inline constexpr vec<3, T>& operator=(vec<3, T> const& v);
   inline constexpr vec<3, T>& operator+=(vec<3, T> const& v);
   inline constexpr vec<3, T>& operator-=(vec<3, T> const& v);
+  inline constexpr vec<3, T>& operator*=(T const& scalar);
 };
 
 template <typename T>
@@ -84,6 +85,13 @@ inline constexpr vec<3, T>& vec<3, T>::operator-=(vec<3, T> const& v)
   return *this;
 }
 
+template <typename T>
+inline constexpr vec<3, T>& vec<3, T>::operator*=(T const& scalar)
+{
+  *this = *this * scalar;
+  return *this;
+}
+
 template <typename T>
 inline constexpr vec<3, T> operator+(vec<3, T> const& v1, vec<3, T> const& v2)
 {