Camera.cpp

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

// Includes
#include "Camera.h"

#include <math.h>

using namespace OpenCAL::Utils;

using namespace std;


/******************************
* Constructors and destructor *
******************************/

Camera::Camera()
: m_distance(0.0f), m_tiltAngle(0.0f), m_rotateAngle(0.0f), m_twistAngle(0.0f)
{
}

Camera::~Camera()
{
}


/******************
* Other functions *
******************/

void Camera::zoom(float distance)
{
    m_distance -= distance;

    if(m_distance < 0.0f)
        m_distance = 0.0f;
}

/*
#ifdef USE_OPENGL
void Camera::applyGL() const
{
    glTranslatef(0,0, -m_distance);
    glRotatef(m_tiltAngle, 1,0,0);
    glRotatef(m_rotateAngle, 0,1,0);
    glRotatef(m_twistAngle, 0,0,1);

    glTranslatef(-m_target.getX(), -m_target.getY(), -m_target.getZ());
}

void Camera::unapplyGL() const
{
    glTranslatef(m_target.getX(), m_target.getY(), m_target.getZ());

    glRotatef(-m_twistAngle,  0,0,1);
    glRotatef(-m_rotateAngle, 0,1,0);
    glRotatef(-m_tiltAngle,   1,0,0);
    glTranslatef(0,0, m_distance);
}
#endif // USE_OPENGL
*/

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