00001 00002 // 00003 // Thor C++ Library 00004 // Copyright (c) 2011-2012 Jan Haller 00005 // 00006 // This software is provided 'as-is', without any express or implied 00007 // warranty. In no event will the authors be held liable for any damages 00008 // arising from the use of this software. 00009 // 00010 // Permission is granted to anyone to use this software for any purpose, 00011 // including commercial applications, and to alter it and redistribute it 00012 // freely, subject to the following restrictions: 00013 // 00014 // 1. The origin of this software must not be misrepresented; you must not 00015 // claim that you wrote the original software. If you use this software 00016 // in a product, an acknowledgment in the product documentation would be 00017 // appreciated but is not required. 00018 // 00019 // 2. Altered source versions must be plainly marked as such, and must not be 00020 // misrepresented as being the original software. 00021 // 00022 // 3. This notice may not be removed or altered from any source distribution. 00023 // 00025 00028 00029 #ifndef THOR_PARTICLE_HPP 00030 #define THOR_PARTICLE_HPP 00031 00032 #include <Thor/Config.hpp> 00033 00034 #include <SFML/System/Time.hpp> 00035 #include <SFML/System/Vector2.hpp> 00036 #include <SFML/Graphics/Color.hpp> 00037 00038 00039 namespace thor 00040 { 00041 00044 00049 class THOR_API Particle 00050 { 00051 // --------------------------------------------------------------------------------------------------------------------------- 00052 // Public member functions 00053 public: 00056 explicit Particle(sf::Time totalLifetime); 00057 00058 00059 // --------------------------------------------------------------------------------------------------------------------------- 00060 // Public variables 00061 public: 00062 sf::Vector2f Position; 00063 sf::Vector2f Velocity; 00064 float Rotation; 00065 float RotationSpeed; 00066 sf::Vector2f Scale; 00067 sf::Color Color; 00068 00069 00070 // --------------------------------------------------------------------------------------------------------------------------- 00071 // Private variables 00072 private: 00073 sf::Time PassedLifetime; // Time passed since emitted. 00074 sf::Time TotalLifetime; // Total time to live. 00075 00076 00077 // --------------------------------------------------------------------------------------------------------------------------- 00078 // Friends 00080 friend class ParticleSystem; 00081 friend sf::Time THOR_API GetPassedLifetime(const Particle& particle); 00082 friend sf::Time THOR_API GetTotalLifetime(const Particle& particle); 00084 }; 00085 00088 sf::Time THOR_API GetPassedLifetime(const Particle& particle); 00089 00092 sf::Time THOR_API GetTotalLifetime(const Particle& particle); 00093 00096 sf::Time THOR_API GetRemainingLifetime(const Particle& particle); 00097 00100 float THOR_API GetPassedRatio(const Particle& particle); 00101 00104 float THOR_API GetRemainingRatio(const Particle& particle); 00105 00107 00108 } // namespace thor 00109 00110 #endif // THOR_PARTICLE_HPP