From 959f6f9d250985e7324d4a07623bee5a5b00faca Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 18 May 2013 21:33:37 +0300
Subject: [PATCH] Add four-component members and constructor to Vector

---
 source/linal/vector.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/source/linal/vector.h b/source/linal/vector.h
index 11292f7..369e3ff 100644
--- a/source/linal/vector.h
+++ b/source/linal/vector.h
@@ -53,6 +53,20 @@ public:
 	const T &operator[](unsigned i) const { return *(&x+i); }
 };
 
+template<typename T>
+class VectorComponents<T, 4>
+{
+public:
+	T x, y, z, w;
+
+protected:
+	VectorComponents() { }
+
+public:
+	T &operator[](unsigned i) { return *(&x+i); }
+	const T &operator[](unsigned i) const { return *(&x+i); }
+};
+
 /**
 A general mathematical vector.
 */
@@ -64,6 +78,7 @@ public:
 	Vector(const T *);
 	Vector(T, T);
 	Vector(T, T, T);
+	Vector(T, T, T, T);
 	template<typename U>
 	Vector(const Vector<U, N> &);
 
@@ -108,6 +123,15 @@ inline Vector<T, N>::Vector(T x_, T y_, T z_)
 	this->VectorComponents<T, 3>::z = z_;
 }
 
+template<typename T, unsigned N>
+inline Vector<T, N>::Vector(T x_, T y_, T z_, T w_)
+{
+	this->VectorComponents<T, 4>::x = x_;
+	this->VectorComponents<T, 4>::y = y_;
+	this->VectorComponents<T, 4>::z = z_;
+	this->VectorComponents<T, 4>::w = w_;
+}
+
 template<typename T, unsigned N>
 template<typename U>
 inline Vector<T, N>::Vector(const Vector<U, N> &v)
-- 
2.43.0