#ifndef CAMERA_CLASS
#define CAMERA_CLASS

#include <vgl.h>
#include <mat.h>

class CameraClass{

    public:
       CameraClass();
       vec3 Eye();

       void Reset();

       void Display(GLuint  matrixLocation);

       bool Keypress(unsigned char key);
       bool SpecialKeypress(int key);
       void Usage();

    private:
       void Move(int dir);
       void RepositionCenter();
       vec4 eye, lookAt, up;
       GLfloat Look_Ahead, Step_Size;
       GLfloat Travel_Angle;

};

#endif