common/inc/Vector3d.h
changeset 0 c316ab048e9d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/inc/Vector3d.h	Fri Jun 25 12:50:05 2010 +0200
@@ -0,0 +1,61 @@
+/*
+ * Name        : Vector3d.h
+ * Description : 
+ * Project     : This file is part of OpenMAR, an Open Mobile Augmented Reality browser
+ * Website     : http://OpenMAR.org
+ *
+ * Copyright (c) 2010 David Caabeiro
+ *
+ * All rights reserved. This program and the accompanying materials are made available 
+ * under the terms of the Eclipse Public License v1.0 which accompanies this 
+ * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
+ *
+ */
+
+#ifndef VECTOR3D_H_
+#define VECTOR3D_H_
+
+#include <e32math.h>
+
+#include "Scalar.h"
+
+/**
+ * @brief Provides needed 3d-vector functionality and operations
+ */
+class Vector3d
+{
+public:
+    Vector3d(Scalar x = 0, Scalar y = 0, Scalar z = 0);
+
+    Scalar Norm() const;
+
+    static const Vector3d Cross(const Vector3d& lhs, const Vector3d& rhs);
+
+//private:
+    Scalar mX;
+    Scalar mY;
+    Scalar mZ;
+};
+
+inline Vector3d::Vector3d(Scalar x, Scalar y, Scalar z)
+    : mX(x), mY(y), mZ(z)
+{}
+
+inline Scalar Vector3d::Norm() const
+{
+    Scalar sm = mX * mX + mY * mY + mZ * mZ;
+
+    TReal norm = 0;
+    Math::Sqrt(norm, sm);
+
+    return norm;
+}
+
+inline const Vector3d Vector3d::Cross(const Vector3d& lhs, const Vector3d& rhs)
+{
+    return Vector3d(lhs.mY * rhs.mZ - lhs.mZ * rhs.mY,
+                    lhs.mZ * rhs.mX - lhs.mX * rhs.mZ,
+                    lhs.mX * rhs.mY - lhs.mY * rhs.mX);
+}
+
+#endif