virtual void init ();
virtual void bind ();
virtual void unbind ();
+ virtual void draw ();
virtual void update (double dt);
virtual void update (GLfloat winx, GLfloat winw, GLfloat winy, GLfloat winh);
int _y_offset;
int _view_height;
float _jitter;
+ bool _flipx;
const SGPropertyNode * _xsize_node;
const SGPropertyNode * _ysize_node;