From 53ed93d9095932ba9061f298e86964f177f5034b Mon Sep 17 00:00:00 2001
From: Jesse Buhagiar <jooster669@gmail.com>
Date: Sat, 15 Jan 2022 13:01:08 +1100
Subject: [PATCH] LibGfx: Add unary `operator-()` to Vector2/3/4

---
 Userland/Libraries/LibGfx/Vector2.h | 5 +++++
 Userland/Libraries/LibGfx/Vector3.h | 5 +++++
 Userland/Libraries/LibGfx/Vector4.h | 5 +++++
 3 files changed, 15 insertions(+)

diff --git a/Userland/Libraries/LibGfx/Vector2.h b/Userland/Libraries/LibGfx/Vector2.h
index 2aa13136b2..43aa58df96 100644
--- a/Userland/Libraries/LibGfx/Vector2.h
+++ b/Userland/Libraries/LibGfx/Vector2.h
@@ -50,6 +50,11 @@ public:
         return Vector2(m_x - other.m_x, m_y - other.m_y);
     }
 
+    constexpr Vector2 operator-() const
+    {
+        return Vector2(-m_x, -m_y);
+    }
+
     constexpr Vector2 operator*(const Vector2& other) const
     {
         return Vector2(m_x * other.m_x, m_y * other.m_y);
diff --git a/Userland/Libraries/LibGfx/Vector3.h b/Userland/Libraries/LibGfx/Vector3.h
index d6888c241e..6b7f4ae26d 100644
--- a/Userland/Libraries/LibGfx/Vector3.h
+++ b/Userland/Libraries/LibGfx/Vector3.h
@@ -55,6 +55,11 @@ public:
         return Vector3(m_x - other.m_x, m_y - other.m_y, m_z - other.m_z);
     }
 
+    constexpr Vector3 operator-() const
+    {
+        return Vector3(-m_x, -m_y, -m_z);
+    }
+
     constexpr Vector3 operator*(const Vector3& other) const
     {
         return Vector3(m_x * other.m_x, m_y * other.m_y, m_z * other.m_z);
diff --git a/Userland/Libraries/LibGfx/Vector4.h b/Userland/Libraries/LibGfx/Vector4.h
index 06accb44a1..6f836939ba 100644
--- a/Userland/Libraries/LibGfx/Vector4.h
+++ b/Userland/Libraries/LibGfx/Vector4.h
@@ -60,6 +60,11 @@ public:
         return Vector4(m_x - other.m_x, m_y - other.m_y, m_z - other.m_z, m_w - other.m_w);
     }
 
+    constexpr Vector4 operator-() const
+    {
+        return Vector4(-m_x, -m_y, -m_z, -m_w);
+    }
+
     constexpr Vector4 operator*(const Vector4& other) const
     {
         return Vector4(m_x * other.m_x, m_y * other.m_y, m_z * other.m_z, m_w * other.m_w);