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/* ======================================================================
* vector3d.hh
*
* This file is part of 3Dwm: The CUBE Window Manager.
* Copyright (c) 1999, 2000 Niklas Elmqvist. All rights reserved.
*
* File created 1999-06-02 by Niklas Elmqvist <d97elm@dtek.chalmers.se>.
*
* The 3Dwm Project
* <http://www.medialab.chalmers.se/projects/3dwm>
* Chalmers Medialab
* <http://www.medialab.chalmers.se>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* ======================================================================
*/
#ifndef _VECTOR3D_HH_
#define _VECTOR3D_HH_
// Need to export functions on Win32
#if !defined(APIEXPORT)
#if !defined(WIN32)
#define APIEXPORT
#else
#define APIEXPORT __declspec(dllexport)
#endif
#endif
// -- Namespace Definitions
namespace MeshIO {
// -- Class Declarations
// Vector3D class declaration
class APIEXPORT Vector3D {
public:
union {
struct {
float x, y, z, w; // Vector component (named form)
} coord;
float fCoord[4]; // Vector components (array form)
};
// Constructors
Vector3D(void);
Vector3D(float x, float y, float z, float w = 1.0f);
Vector3D(float _fCoord[3]);
// Access operator (indexing)
float &operator [] (int nIndex) { return fCoord[nIndex]; }
// Arithmetric operators (vectorial)
Vector3D &operator += (const Vector3D vVec);
Vector3D &operator -= (const Vector3D vVec);
Vector3D operator + (const Vector3D vVec) const;
Vector3D operator - (const Vector3D vVec) const;
Vector3D operator / (const Vector3D vVec) const;
Vector3D operator * (const Vector3D vVec) const;
// Arithmetric operators (scalar)
Vector3D &operator += (const float fVal);
Vector3D &operator -= (const float fVal);
Vector3D &operator /= (const float fVal);
Vector3D &operator *= (const float fVal);
Vector3D operator + (const float fVal) const;
Vector3D operator - (const float fVal) const;
Vector3D operator / (const float fVal) const;
Vector3D operator * (const float fVal) const;
// Unary arithmetric operators
Vector3D operator - (void) const;
// Assignment
Vector3D &operator = (const Vector3D vVec);
// Mathematical operations
float Magnitude(void);
void Normalize(void);
void Clear(void);
};
// --+ Auxiliary function prototypes
float Dot(Vector3D vVec1, Vector3D vVec2);
Vector3D operator * (float fVal, Vector3D vVec);
};
#endif /* vector3d.hh */
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