From 2d07922478dac394a61045e6d9b76d89d98b4934 Mon Sep 17 00:00:00 2001
From: Gawaboumga <yourihubaut@homail.com>
Date: Fri, 21 Aug 2015 11:34:08 +0200
Subject: [PATCH] Add Unit for vector2

Former-commit-id: 4a143363f24e08d0be12a5ef6bfb46c71b11be4a
---
 include/Nazara/Math/Vector2.hpp |  4 ++--
 include/Nazara/Math/Vector2.inl | 23 +++++++++++++++++++----
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/include/Nazara/Math/Vector2.hpp b/include/Nazara/Math/Vector2.hpp
index c42700de5..24eea3806 100644
--- a/include/Nazara/Math/Vector2.hpp
+++ b/include/Nazara/Math/Vector2.hpp
@@ -27,12 +27,10 @@ class NzVector2
 		~NzVector2() = default;
 
 		T AbsDotProduct(const NzVector2& vec) const;
-
 		T AngleBetween(const NzVector2& vec) const;
 
 		T Distance(const NzVector2& vec) const;
 		float Distancef(const NzVector2& vec) const;
-
 		T DotProduct(const NzVector2& vec) const;
 
 		T GetLength() const;
@@ -40,6 +38,7 @@ class NzVector2
 		NzVector2 GetNormal(T* length = nullptr) const;
 		T GetSquaredLength() const;
 
+		NzVector2& MakeUnit();
 		NzVector2& MakeUnitX();
 		NzVector2& MakeUnitY();
 		NzVector2& MakeZero();
@@ -89,6 +88,7 @@ class NzVector2
 		bool operator>=(const NzVector2& vec) const;
 
 		static NzVector2 Lerp(const NzVector2& from, const NzVector2& to, T interpolation);
+		static NzVector2 Unit();
 		static NzVector2 UnitX();
 		static NzVector2 UnitY();
 		static NzVector2 Zero();
diff --git a/include/Nazara/Math/Vector2.inl b/include/Nazara/Math/Vector2.inl
index 05a7ae792..c8ec7730f 100644
--- a/include/Nazara/Math/Vector2.inl
+++ b/include/Nazara/Math/Vector2.inl
@@ -105,6 +105,12 @@ T NzVector2<T>::GetSquaredLength() const
 	return x*x + y*y;
 }
 
+template<typename T>
+NzVector2<T>& NzVector2<T>::MakeUnit()
+{
+	return Set(F(1.0), F(1.0));
+}
+
 template<typename T>
 NzVector2<T>& NzVector2<T>::MakeUnitX()
 {
@@ -129,7 +135,7 @@ NzVector2<T>& NzVector2<T>::Maximize(const NzVector2& vec)
 	if (vec.x > x)
 		x = vec.x;
 
-	if  (vec.y > y)
+	if (vec.y > y)
 		y = vec.y;
 
 	return *this;
@@ -141,7 +147,7 @@ NzVector2<T>& NzVector2<T>::Minimize(const NzVector2& vec)
 	if (vec.x < x)
 		x = vec.x;
 
-	if  (vec.y < y)
+	if (vec.y < y)
 		y = vec.y;
 
 	return *this;
@@ -229,7 +235,7 @@ NzVector2<T>& NzVector2<T>::Set(const NzVector4<T>& vec)
 template<typename T>
 T NzVector2<T>::SquaredDistance(const NzVector2& vec) const
 {
-	return operator-(vec).GetSquaredLength();
+	return (*this - vec).GetSquaredLength();
 }
 
 template<typename T>
@@ -398,7 +404,7 @@ template<typename T>
 bool NzVector2<T>::operator==(const NzVector2& vec) const
 {
 	return NzNumberEquals(x, vec.x) &&
-		   NzNumberEquals(y, vec.y);
+	       NzNumberEquals(y, vec.y);
 }
 
 template<typename T>
@@ -443,6 +449,15 @@ NzVector2<T> NzVector2<T>::Lerp(const NzVector2& from, const NzVector2& to, T in
 	return NzLerp(from, to, interpolation);
 }
 
+template<typename T>
+NzVector2<T> NzVector2<T>::Unit()
+{
+	NzVector2 vector;
+	vector.MakeUnit();
+
+	return vector;
+}
+
 template<typename T>
 NzVector2<T> NzVector2<T>::UnitX()
 {