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-rw-r--r--sdl/glframe.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/sdl/glframe.h b/sdl/glframe.h
index 3842d7a..0fb5e58 100644
--- a/sdl/glframe.h
+++ b/sdl/glframe.h
@@ -6,8 +6,8 @@
typedef struct
{
M3DVector3f v_location; /* location */
- M3DVector3f v_forward; /* where am I heading */
- M3DVector3f v_up; /* which way is up */
+ M3DVector3f v_forward; /* z, where am I heading */
+ M3DVector3f v_up; /* y, which way is up */
} GLFrame;
/* function prototypes */
@@ -16,6 +16,7 @@ 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