From 6f71ba51932d9032f0008afedf6840fb8559ecd4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 9 Jan 2011 01:32:25 +0100
Subject: [PATCH] Allow constructing Vector4 from Vector3 with optional W
 value.

---
 src/Math/Vector4.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Math/Vector4.h b/src/Math/Vector4.h
index 01c2e0bd3..99334cd45 100644
--- a/src/Math/Vector4.h
+++ b/src/Math/Vector4.h
@@ -52,6 +52,15 @@ template<class T> class Vector4: public Vector<T, 4> {
             setX(x); setY(y); setZ(z); setW(w);
         }
 
+        /**
+         * @brief Constructor
+         * @param other     Three component vector
+         * @param w         W / A value
+         */
+        inline Vector4(const Vector<T, 3>& other, T w = T(1)) {
+            setX(other[0]); setY(other[1]); setZ(other[2]); setW(w);
+        }
+
         inline T x() const { return Vector<T, 4>::at(0); } /**< @brief X component */
         inline T y() const { return Vector<T, 4>::at(1); } /**< @brief Y component */
         inline T z() const { return Vector<T, 4>::at(2); } /**< @brief Z component */