/// write camera mode to a lisp file
virtual void write(lisp::Writer& writer);
- /// reset camera postion
- virtual void reset(const Vector& tuxpos);
- virtual void reset_kd(const Vector& tuxpos);
+ /// reset camera position
+ void reset(const Vector& tuxpos);
/** return camera position */
const Vector& get_translation() const;
};
CameraMode mode;
+ /**
+ * get the coordinates of the point directly in the center of this camera
+ */
+ Vector get_center() const;
+
private:
void update_scroll_normal(float elapsed_time);
- void update_scroll_normal_kd(float elapsed_time);
- void update_scroll_normal_exp(float elapsed_time);
void update_scroll_autoscroll(float elapsed_time);
void update_scroll_to(float elapsed_time);
void keep_in_bounds(Vector& vector);
void shake();
- enum LeftRightScrollChange
- {
- NONE, LEFT, RIGHT
+ /**
+ * The camera basically provides lookahead on the left or right side
+ * or is undecided.
+ */
+ enum LookaheadMode {
+ LOOKAHEAD_NONE, LOOKAHEAD_LEFT, LOOKAHEAD_RIGHT
};
Vector translation;
Sector* sector;
// normal mode
- bool do_backscrolling;
- LeftRightScrollChange scrollchange;
+ LookaheadMode lookahead_mode;
+ float changetime;
+ Vector lookahead_pos;
+ Vector peek_pos;
+ Vector cached_translation;
// autoscroll mode
std::auto_ptr<Path> autoscroll_path;