/usr/include/osgParticle/SegmentPlacer is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
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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 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* -*-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.
*/
//osgParticle - Copyright (C) 2002 Marco Jez
#ifndef OSGPARTICLE_SEGMENT_PLACER
#define OSGPARTICLE_SEGMENT_PLACER 1
#include <osgParticle/Placer>
#include <osgParticle/Particle>
#include <osg/CopyOp>
#include <osg/Object>
#include <osg/Vec3>
namespace osgParticle {
/** A segment-shaped particle placer.
To use this placer you have to define a segment, by setting its two vertices (<B>A</B> and <B>B</B>);
when an emitter requests a <CODE>SegmentPlacer</CODE> to place a particle, the position is chosen randomly
within that segment.
*/
class SegmentPlacer: public Placer {
public:
inline SegmentPlacer();
inline SegmentPlacer(const SegmentPlacer& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
META_Object(osgParticle, SegmentPlacer);
/// get vertex <B>A</B>.
inline const osg::Vec3& getVertexA() const;
/// Set vertex <B>A</B> of the segment as a vector.
inline void setVertexA(const osg::Vec3& v);
/// Set vertex <B>A</B> of the segment as three floats.
inline void setVertexA(float x, float y, float z);
/// get vertex <B>B</B>.
inline const osg::Vec3& getVertexB() const;
/// Set vertex <B>B</B> of the segment as a vector.
inline void setVertexB(const osg::Vec3& v);
/// Set vertex <B>B</B> of the segment as three floats.
inline void setVertexB(float x, float y, float z);
/// Set both vertices.
inline void setSegment(const osg::Vec3& A, const osg::Vec3& B);
/// Place a particle. This method is called by <CODE>ModularEmitter</CODE>, do not call it manually.
inline void place(Particle* P) const;
/// return the length of the segment
inline float volume() const;
/// return the control position
inline osg::Vec3 getControlPosition() const;
protected:
virtual ~SegmentPlacer() {}
SegmentPlacer& operator=(const SegmentPlacer&) { return *this; }
private:
osg::Vec3 _vertexA;
osg::Vec3 _vertexB;
};
// INLINE FUNCTIONS
inline SegmentPlacer::SegmentPlacer()
: Placer(), _vertexA(-1, 0, 0), _vertexB(1, 0, 0)
{
}
inline SegmentPlacer::SegmentPlacer(const SegmentPlacer& copy, const osg::CopyOp& copyop)
: Placer(copy, copyop), _vertexA(copy._vertexA), _vertexB(copy._vertexB)
{
}
inline const osg::Vec3& SegmentPlacer::getVertexA() const
{
return _vertexA;
}
inline const osg::Vec3& SegmentPlacer::getVertexB() const
{
return _vertexB;
}
inline void SegmentPlacer::setSegment(const osg::Vec3& A, const osg::Vec3& B)
{
_vertexA = A;
_vertexB = B;
}
inline void SegmentPlacer::place(Particle* P) const
{
P->setPosition(rangev3(_vertexA, _vertexB).get_random());
}
inline float SegmentPlacer::volume() const
{
return (_vertexB - _vertexA).length();
}
inline void SegmentPlacer::setVertexA(const osg::Vec3& v)
{
_vertexA = v;
}
inline void SegmentPlacer::setVertexA(float x, float y, float z)
{
_vertexA.set(x, y, z);
}
inline void SegmentPlacer::setVertexB(const osg::Vec3& v)
{
_vertexB = v;
}
inline void SegmentPlacer::setVertexB(float x, float y, float z)
{
_vertexB.set(x, y, z);
}
inline osg::Vec3 SegmentPlacer::getControlPosition() const
{
return (_vertexA+_vertexB)*0.5f;
}
}
#endif
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