2 // Copyright (C) 2006 Matthias Braun <matze@braunis.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_SNOW_PARTICLE_SYSTEM_HPP
18 #define HEADER_SUPERTUX_OBJECT_SNOW_PARTICLE_SYSTEM_HPP
20 #include "object/particlesystem.hpp"
21 #include "supertux/timer.hpp"
23 class SnowParticleSystem : public ParticleSystem
27 virtual ~SnowParticleSystem();
29 void parse(const Reader& lisp);
31 virtual void update(float elapsed_time);
33 std::string type() const
34 { return "SnowParticleSystem"; }
37 class SnowParticle : public Particle
49 unsigned int flake_size;
61 // Wind is simulated in discrete "gusts"
75 // Gust state delay timer
78 // Peak magnitude of gust is gust_onset * randf(5)
80 // Current blowing velocity of gust
81 gust_current_velocity;
83 SurfacePtr snowimages[3];
86 SnowParticleSystem(const SnowParticleSystem&);
87 SnowParticleSystem& operator=(const SnowParticleSystem&);