3 // SuperTux - A Jump'n Run
4 // Copyright (C) 2004 Matthias Braun <matze@braunis.de
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef SUPERTUX_CAMERA_H
20 #define SUPERTUX_CAMERA_H
26 #include "math/vector.hpp"
27 #include "game_object.hpp"
28 #include "video/drawing_context.hpp"
29 #include "serializable.hpp"
31 #include "script_interface.hpp"
41 class Camera : public GameObject, public Serializable, public ScriptInterface
44 Camera(Sector* sector);
47 /// parse camera mode from lisp file
48 void parse(const lisp::Lisp& reader);
49 /// write camera mode to a lisp file
50 virtual void write(lisp::Writer& writer);
52 /// reset camera postion
53 virtual void reset(const Vector& tuxpos);
55 /** return camera position */
56 const Vector& get_translation() const;
58 virtual void update(float elapsed_time);
60 virtual void draw(DrawingContext& )
64 virtual void expose(HSQUIRRELVM vm, int table_idx);
65 virtual void unexpose(HSQUIRRELVM vm, int table_idx);
67 // shake camera in a direction 1 time
68 void shake(float speed, float x, float y);
70 void set_scrolling(int scroll_x, int scroll_y)
72 translation.x = scroll_x;
73 translation.y = scroll_y;
77 * scroll the upper left edge of the camera in scrolltime seconds
78 * to the position goal
80 void scroll_to(const Vector& goal, float scrolltime);
84 NORMAL, AUTOSCROLL, SCROLLTO, MANUAL
89 void update_scroll_normal(float elapsed_time);
90 void update_scroll_autoscroll(float elapsed_time);
91 void update_scroll_to(float elapsed_time);
92 void keep_in_bounds(Vector& vector);
95 enum LeftRightScrollChange
105 bool do_backscrolling;
106 LeftRightScrollChange scrollchange;
109 std::auto_ptr<Path> autoscroll_path;
110 std::auto_ptr<PathWalker> autoscroll_walker;
125 #endif /*SUPERTUX_CAMERA_H*/