This file is indexed.

/usr/include/osgParticle/ConstantRateCounter is in libopenscenegraph-dev 3.2.0~rc1-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGPARTICLE_CONSTANTRATECOUNTER
#define OSGPARTICLE_CONSTANTRATECOUNTER 1

#include <osgParticle/Counter>

#include <osg/Object>
#include <osg/Math>

namespace osgParticle
{

    class ConstantRateCounter: public Counter {
    public:
        ConstantRateCounter():
            Counter(),
            _minimumNumberOfParticlesToCreate(0),
            _numberOfParticlesPerSecondToCreate(0),
            _carryOver(0)
        {
        }

        ConstantRateCounter(const ConstantRateCounter& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY):
             Counter(copy, copyop),
             _minimumNumberOfParticlesToCreate(copy._minimumNumberOfParticlesToCreate),
             _numberOfParticlesPerSecondToCreate(copy._numberOfParticlesPerSecondToCreate),
             _carryOver(copy._carryOver)
        {
        }


        META_Object(osgParticle, ConstantRateCounter);

        void setMinimumNumberOfParticlesToCreate(int minNumToCreate) { _minimumNumberOfParticlesToCreate = minNumToCreate; }
        int getMinimumNumberOfParticlesToCreate() const { return _minimumNumberOfParticlesToCreate; }

        void setNumberOfParticlesPerSecondToCreate(double numPerSecond) { _numberOfParticlesPerSecondToCreate = numPerSecond; }
        double getNumberOfParticlesPerSecondToCreate() const { return _numberOfParticlesPerSecondToCreate; }

        /// Return the number of particles to be created in this frame
        virtual int numParticlesToCreate(double dt) const
        {
            double v = (dt*_numberOfParticlesPerSecondToCreate);
            int i = (int)(v);
            _carryOver += (v-(double)i);
            if (_carryOver>1.0)
            {
                ++i;
                _carryOver -= 1.0;
            }
            return osg::maximum(_minimumNumberOfParticlesToCreate, i);
        }

    protected:
        virtual ~ConstantRateCounter() {}

        int _minimumNumberOfParticlesToCreate;
        double _numberOfParticlesPerSecondToCreate;
        mutable double _carryOver;
    };

}


#endif