#ifndef _GLFRAME_H_
#define _GLFRAME_H_

#include "math3d.h"

typedef struct
{
    M3DVector3f v_location; /* location */
    M3DVector3f v_forward;  /* where am I heading */
    M3DVector3f v_up;       /* which way is up */   
} GLFrame;

/* function prototypes */
void reset_glframe(GLFrame *);
void get_camera_orientation(GLFrame *, M3DMatrix44f);
void apply_camera_transform(GLFrame *);
void move_forward(GLFrame *, float);
void rotate_local_y(GLFrame *, float);

#endif