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#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 *frame);
void get_camera_orientation(GLFrame *frame, M3DMatrix44f m);
void apply_camera_transform(GLFrame *frame);
void move_forward(GLFrame *frame, float delta);
void rotate_local_y(GLFrame *frame, float angle);
#endif
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