Panda3D
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discEmitter.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 discEmitter.h
10 * @author charles
11 * @date 2000-06-22
12 */
13
14#ifndef DISCEMITTER_H
15#define DISCEMITTER_H
16
17#include "baseParticleEmitter.h"
18
19/**
20 * Describes a planar disc region from which particles are generated
21 */
22class EXPCL_PANDA_PARTICLESYSTEM DiscEmitter : public BaseParticleEmitter {
23PUBLISHED:
25 DiscEmitter(const DiscEmitter &copy);
26 virtual ~DiscEmitter();
27
28 virtual BaseParticleEmitter *make_copy();
29
30 INLINE void set_radius(PN_stdfloat r);
31 INLINE void set_outer_angle(PN_stdfloat o_angle);
32 INLINE void set_inner_angle(PN_stdfloat i_angle);
33 INLINE void set_outer_magnitude(PN_stdfloat o_mag);
34 INLINE void set_inner_magnitude(PN_stdfloat i_mag);
35 INLINE void set_cubic_lerping(bool clerp);
36
37 INLINE PN_stdfloat get_radius() const;
38 INLINE PN_stdfloat get_outer_angle() const;
39 INLINE PN_stdfloat get_inner_angle() const;
40 INLINE PN_stdfloat get_outer_magnitude() const;
41 INLINE PN_stdfloat get_inner_magnitude() const;
42 INLINE bool get_cubic_lerping() const;
43
44 virtual void output(std::ostream &out) const;
45 virtual void write(std::ostream &out, int indent=0) const;
46
47private:
48 PN_stdfloat _radius;
49
50 // CUSTOM EMISSION PARAMETERS
51 PN_stdfloat _inner_aoe;
52 PN_stdfloat _outer_aoe;
53 PN_stdfloat _inner_magnitude;
54 PN_stdfloat _outer_magnitude;
55 bool _cubic_lerping;
56
57 // scratch variables that carry over from position calc to velocity calc
58 PN_stdfloat _distance_from_center;
59 PN_stdfloat _sinf_theta;
60 PN_stdfloat _cosf_theta;
61
62 virtual void assign_initial_position(LPoint3& pos);
63 virtual void assign_initial_velocity(LVector3& vel);
64};
65
66#include "discEmitter.I"
67
68#endif // DISCEMITTER_H
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
virtual void write(std::ostream &out, int indent=0) const
Write a string representation of this instance to <out>.
virtual void output(std::ostream &out) const
Write a string representation of this instance to <out>.
Describes a planar disc region from which particles are generated.
Definition discEmitter.h:22
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
std::ostream & indent(std::ostream &out, int indent_level)
A handy function for doing text formatting.
Definition indent.cxx:20