1 // SuperTux - PneumaticPlatform
2 // Copyright (C) 2007 Christoph Sommer <christoph.sommer@2007.expires.deltadevelopment.de>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #ifndef HEADER_SUPERTUX_OBJECT_PNEUMATIC_PLATFORM_HPP
18 #define HEADER_SUPERTUX_OBJECT_PNEUMATIC_PLATFORM_HPP
20 #include "object/moving_sprite.hpp"
23 * Used to construct a pair of pneumatic platforms: If one is pushed down, the other one rises
25 class PneumaticPlatform : public MovingSprite
28 PneumaticPlatform(const Reader& reader);
29 PneumaticPlatform(PneumaticPlatform* master);
30 virtual ~PneumaticPlatform();
32 virtual HitResponse collision(GameObject& other, const CollisionHit& hit);
33 virtual void update(float elapsed_time);
36 PneumaticPlatform* master; /**< pointer to PneumaticPlatform that does movement calculation */
37 PneumaticPlatform* slave; /**< pointer to PneumaticPlatform that reacts to master platform's movement calculation */
38 float start_y; /**< vertical start position */
39 float offset_y; /**< vertical offset from the start position in px */
40 float speed_y; /**< vertical speed */
41 std::set<GameObject*> contacts; /**< objects that are currently pushing on the platform */
44 PneumaticPlatform(const PneumaticPlatform&);
45 PneumaticPlatform& operator=(const PneumaticPlatform&);