Camera.h

/***************************************************************************
 *   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                                      *
 *                                                                         *
 ***************************************************************************/

#ifndef OPENCAL_UTILS_CAMERA_H
#define OPENCAL_UTILS_CAMERA_H

// Includes
#include <OpenCAL/global.h>
#include <OpenCAL/Vector3.h>

namespace OpenCAL
{
    namespace Utils
    {
        // Forward declarations

        class OPENCAL_API Camera
        {
        protected:
            // Member variables
            Vector3 m_target;
            float m_distance, m_tiltAngle, m_rotateAngle, m_twistAngle;

        public:
            // Constructors and destructor
            Camera();
            virtual ~Camera();

            // Get functions
            const Vector3 &getTarget() const { return m_target; }
            Vector3 *getTargetP() { return &m_target; }
            float getDistance() const { return m_distance; }
            float getTiltAngle() const { return m_tiltAngle; }
            float getRotateAngle() const { return m_rotateAngle; }
            float getTwistAngle() const { return m_twistAngle; }

            // Set functions
            void setTarget(const Vector3 &target) { m_target = target; }
            void setDistance(float distance) { m_distance = distance; }
            void setTiltAngle(float degrees) { m_tiltAngle = degrees; }
            void setRotateAngle(float degrees) { m_rotateAngle = degrees; }
            void setTwistAngle(float degrees) { m_twistAngle = degrees; }

            // Other functions
            void zoom(float distance);
            void tilt(float degrees) { m_tiltAngle += degrees; }
            void rotate(float degrees) { m_rotateAngle += degrees; }
            void twist(float degrees) { m_twistAngle += degrees; }

/*
#ifdef USE_OPENGL
            void applyGL() const;
            void unapplyGL() const;
#endif // USE_OPENGL
*/
        };
    }
}

#endif // OPENCAL_UTILS_CAMERA_H

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