Camera.h

#ifndef CAMERA_
#define CAMERA_

#include <stdio.h>
#include <windows.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>

#include "PositionPath.h"
#include "Geometry.h"

#define CAMERA_STANDARD_ANGLE           45.0
#define CAMERA_STANDARD_RATIO           1.33333
#define CAMERA_STANDARD_NEAR            0.1
#define CAMERA_STANDARD_FAR                     10000.0

#define DEG2RAD(a)              (a * 0.01745329251994)
#define RAD2DEG(a)              (a * 57.2957795130823)

class Camera
{
public:
        Camera ();

        ~Camera ();

        void SetAttributes (double angle, double aspect_ratio, double near_cutoff, double far_cutoff);

        void ApplyAttributes ();

        void ApplyPosition (int time);

        void ComputeInverseView (int time);

        float * GetInverseView ();

        PositionPath * position;

        void BuildPlanes (int time);

        void BuildPlanes2 ();

        Plane left, right, top, bottom, front, back;

        Plane planes[6];


        void DrawFrustum ();

        void DrawFrustum2 (int time);

        void MoveForward (double amount);

        void MoveRight (double amount);

        void MoveUp (double amount);

private:
        /* members to store the attributes of the camera */

        double angle;

        double aspect_ratio;

        double near_cutoff;

        double far_cutoff;

        float inverse_view[16];
};


#endif

---