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#ifndef _GLFRAME_H_
#define _GLFRAME_H_
#include "math3d.h"
typedef struct
{
M3DVector3f v_location; /* location */
M3DVector3f v_forward; /* z, where am I heading */
M3DVector3f v_up; /* y, which way is up */
} GLFrame;
/* function prototypes */
void glframe_reset(GLFrame *);
void glframe_get_camera_orientation(GLFrame *, M3DMatrix44f);
void glframe_apply_camera_transform(GLFrame *);
void glframe_move_forward(GLFrame *, float);
void glframe_rotate_local_y(GLFrame *, float);
void glframe_rotate_local_x(GLFrame *, float);
#endif
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