1 /*

     2  * Name        : Vector3d.h

     3  * Description : 

     4  * Project     : This file is part of OpenMAR, an Open Mobile Augmented Reality browser

     5  * Website     : http://OpenMAR.org

     6  *

     7  * Copyright (c) 2010 David Caabeiro

     8  *

     9  * All rights reserved. This program and the accompanying materials are made available 

    10  * under the terms of the Eclipse Public License v1.0 which accompanies this 

    11  * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html

    12  *

    13  */

    14 

    15 #ifndef VECTOR3D_H_

    16 #define VECTOR3D_H_

    17 

    18 #include <e32math.h>

    19 

    20 #include "Scalar.h"

    21 

    22 /**

    23  * @brief Provides needed 3d-vector functionality and operations

    24  */

    25 class Vector3d

    26 {

    27 public:

    28     Vector3d(Scalar x = 0, Scalar y = 0, Scalar z = 0);

    29 

    30     Scalar Norm() const;

    31 

    32     static const Vector3d Cross(const Vector3d& lhs, const Vector3d& rhs);

    33 

    34 //private:

    35     Scalar mX;

    36     Scalar mY;

    37     Scalar mZ;

    38 };

    39 

    40 inline Vector3d::Vector3d(Scalar x, Scalar y, Scalar z)

    41     : mX(x), mY(y), mZ(z)

    42 {}

    43 

    44 inline Scalar Vector3d::Norm() const

    45 {

    46     Scalar sm = mX * mX + mY * mY + mZ * mZ;

    47 

    48     TReal norm = 0;

    49     Math::Sqrt(norm, sm);

    50 

    51     return norm;

    52 }

    53 

    54 inline const Vector3d Vector3d::Cross(const Vector3d& lhs, const Vector3d& rhs)

    55 {

    56     return Vector3d(lhs.mY * rhs.mZ - lhs.mZ * rhs.mY,

    57                     lhs.mZ * rhs.mX - lhs.mX * rhs.mZ,

    58                     lhs.mX * rhs.mY - lhs.mY * rhs.mX);

    59 }

    60 

    61 #endif