Panda3D
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00001 // Filename: zSpinParticle.h 00002 // Created by: charles (16Aug00) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef ZSPINPARTICLE_H 00016 #define ZSPINPARTICLE_H 00017 00018 #include "baseParticle.h" 00019 00020 //////////////////////////////////////////////////////////////////// 00021 // Class : ZSpinParticle 00022 // Description : describes a particle that spins along its z axis. 00023 // this is kind of an intermediary class- if you're 00024 // using a SpriteParticleRenderer and you want your 00025 // sprites to spin without having them be full-blown 00026 // oriented (i.e. angry quat math), use this. 00027 //////////////////////////////////////////////////////////////////// 00028 class EXPCL_PANDAPHYSICS ZSpinParticle : public BaseParticle { 00029 public: 00030 ZSpinParticle(); 00031 ZSpinParticle(const ZSpinParticle ©); 00032 virtual ~ZSpinParticle(); 00033 00034 virtual PhysicsObject *make_copy() const; 00035 00036 virtual void init(); 00037 virtual void update(); 00038 virtual void die(); 00039 00040 virtual PN_stdfloat get_theta() const; 00041 00042 INLINE void set_initial_angle(PN_stdfloat t); 00043 INLINE PN_stdfloat get_initial_angle() const; 00044 00045 INLINE void set_final_angle(PN_stdfloat t); 00046 INLINE PN_stdfloat get_final_angle() const; 00047 00048 // 'set_final_angle' and 'angular_velocity' are mutually exclusive apis 00049 // if angular-velocity is specified, final_angle is ignored 00050 INLINE void set_angular_velocity(PN_stdfloat v); 00051 INLINE PN_stdfloat get_angular_velocity() const; 00052 00053 INLINE void enable_angular_velocity(bool bEnabled); 00054 INLINE bool get_angular_velocity_enabled() const; 00055 00056 virtual void output(ostream &out) const; 00057 virtual void write(ostream &out, int indent=0) const; 00058 00059 private: 00060 PN_stdfloat _initial_angle; 00061 PN_stdfloat _final_angle; 00062 PN_stdfloat _cur_angle; 00063 PN_stdfloat _angular_velocity; 00064 bool _bUseAngularVelocity; 00065 }; 00066 00067 #include "zSpinParticle.I" 00068 00069 #endif // ZSPINPARTICLE_H