Panda3D
baseParticleFactory.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file baseParticleFactory.h
10  * @author charles
11  * @date 2000-07-05
12  */
13 
14 #ifndef BASEPARTICLEFACTORY_H
15 #define BASEPARTICLEFACTORY_H
16 
17 #include "pandabase.h"
18 #include "referenceCount.h"
19 
20 #include "baseParticle.h"
21 #include "particleCommonFuncs.h"
22 
23 #include <stdlib.h>
24 
25 /**
26  * Pure Virtual base class for creating particles
27  */
28 class EXPCL_PANDA_PARTICLESYSTEM BaseParticleFactory : public ReferenceCount {
29 PUBLISHED:
30  virtual ~BaseParticleFactory();
31 
32  INLINE void set_lifespan_base(PN_stdfloat lb);
33  INLINE void set_lifespan_spread(PN_stdfloat ls);
34  INLINE void set_mass_base(PN_stdfloat mb);
35  INLINE void set_mass_spread(PN_stdfloat ms);
36  INLINE void set_terminal_velocity_base(PN_stdfloat tvb);
37  INLINE void set_terminal_velocity_spread(PN_stdfloat tvs);
38 
39  INLINE PN_stdfloat get_lifespan_base() const;
40  INLINE PN_stdfloat get_lifespan_spread() const;
41  INLINE PN_stdfloat get_mass_base() const;
42  INLINE PN_stdfloat get_mass_spread() const;
43  INLINE PN_stdfloat get_terminal_velocity_base() const;
44  INLINE PN_stdfloat get_terminal_velocity_spread() const;
45 
46  virtual BaseParticle *alloc_particle() const = 0;
47 
48  void populate_particle(BaseParticle* bp);
49 
50  virtual void output(std::ostream &out) const;
51  virtual void write(std::ostream &out, int indent=0) const;
52 
53 protected:
56 
57 private:
58  PN_stdfloat _lifespan_base;
59  PN_stdfloat _lifespan_spread;
60 
61  PN_stdfloat _mass_base;
62  PN_stdfloat _mass_spread;
63 
64  PN_stdfloat _terminal_velocity_base;
65  PN_stdfloat _terminal_velocity_spread;
66 
67  virtual void populate_child_particle(BaseParticle *bp) const = 0;
68 };
69 
70 #include "baseParticleFactory.I"
71 
72 #endif // BASEPARTICLEFACTORY_H
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
Pure Virtual base class for creating particles.
An individual, physically-modelable particle abstract base class.
Definition: baseParticle.h:23
A base class for all things that want to be reference-counted.
std::ostream & indent(std::ostream &out, int indent_level)
A handy function for doing text formatting.
Definition: indent.cxx:20
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.