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< TITLE > class osgParticle::Operator< / TITLE >
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< H2 > class < A HREF = "#DOC.DOCU" > osgParticle::Operator< / A > < / H2 > < / H2 > < BLOCKQUOTE > An abstract base class used by < CODE > ModularProgram< / CODE > to perform operations on particles before they are updated.< / BLOCKQUOTE >
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< H2 > Inheritance:< / H2 >
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< DT > < H3 > Public Methods< / H3 > < DD > < DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual const char* < B > < A HREF = "#DOC.2.13.1" > libraryName< / A > < / B > () const
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< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual const char* < B > < A HREF = "#DOC.2.13.2" > className< / A > < / B > () const
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< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual bool < B > < A HREF = "#DOC.2.13.3" > isSameKindAs< / A > < / B > (const osg::Object* obj) const
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< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual void < B > < A HREF = "#DOC.2.13.4" > operate< / A > < / B > (<!1> < A HREF = "Particle.html" > Particle< / A > * P, double dt) = 0
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< DD > < I > Do something on a particle.< / I >
< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual void < B > < A HREF = "#DOC.2.13.5" > beginOperate< / A > < / B > (<!1> < A HREF = "Program.html" > Program< / A > * )
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< DD > < I > Do something before processing particles via the < CODE > operate()< / CODE > method.< / I >
< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual void < B > < A HREF = "#DOC.2.13.6" > endOperate< / A > < / B > ()
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< DD > < I > Do something after all particles have been processed< / I >
< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > inline < B > < A HREF = "#DOC.2.13.10" > Operator< / A > < / B > ()
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< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > inline < B > < A HREF = "#DOC.2.13.11" > Operator< / A > < / B > (const <!1> < A HREF = "Operator.html#DOC.2.13.11" > Operator< / A > & copy, const osg::CopyOp & copyop)
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< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > inline bool < B > < A HREF = "#DOC.2.13.12" > isEnabled< / A > < / B > () const
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< DD > < I > Get whether this operator is enabled< / I >
< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > inline void < B > < A HREF = "#DOC.2.13.13" > setEnabled< / A > < / B > (bool v)
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< DD > < I > Enable or disable this operator< / I >
< / DL > < / P >
< P > < DL >
< DT > < H3 > Protected Methods< / H3 > < DD > < DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > virtual < B > < A HREF = "#DOC.2.13.7" > ~Operator< / A > < / B > ()
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< DT >
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< IMG ALT = "[more]" BORDER = 0 SRC = icon1.gif > <!1> < A HREF = "Operator.html" > Operator< / A > & < B > < A HREF = "#DOC.2.13.8" > operator=< / A > < / B > (const <!1> < A HREF = "Operator.html" > Operator< / A > & )
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< A NAME = "DOC.DOCU" > < / A >
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< H2 > Documentation< / H2 >
< BLOCKQUOTE > An abstract base class used by < CODE > ModularProgram< / CODE > to perform operations on particles before they are updated.
To implement a new operator, derive from this class and override the < CODE > operate()< / CODE > method.
You should also override the < CODE > beginOperate()< / CODE > method to query the calling program for the reference frame
used, and initialize the right transformations if needed.< / BLOCKQUOTE >
< DL >
< A NAME = "libraryName" > < / A >
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< A NAME = "DOC.2.13.1" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual const char* libraryName() const < / B > < / TT >
< DL > < DT > < DD > < / DL > < P >
< A NAME = "className" > < / A >
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< A NAME = "DOC.2.13.2" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual const char* className() const < / B > < / TT >
< DL > < DT > < DD > < / DL > < P >
< A NAME = "isSameKindAs" > < / A >
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< A NAME = "DOC.2.13.3" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual bool isSameKindAs(const osg::Object* obj) const < / B > < / TT >
< DL > < DT > < DD > < / DL > < P >
< A NAME = "operate" > < / A >
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< A NAME = "DOC.2.13.4" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual void operate(<!1> < A HREF = "Particle.html" > Particle< / A > * P, double dt) = 0< / B > < / TT >
< DD > Do something on a particle.
This method is called by < CODE > ModularProgram< / CODE > objects to perform some operations
on the particles. You must override it in descendant classes. Common operations
consist of modifying the particle's velocity vector. The < CODE > dt< / CODE > parameter is
the time elapsed from last operation.
< DL > < DT > < DD > < / DL > < P >
< A NAME = "beginOperate" > < / A >
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< A NAME = "DOC.2.13.5" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual void beginOperate(<!1> < A HREF = "Program.html" > Program< / A > * )< / B > < / TT >
< DD > Do something before processing particles via the < CODE > operate()< / CODE > method.
Overriding this method could be necessary to query the calling < CODE > Program< / CODE > object
for the current reference frame. If the reference frame is RELATIVE_TO_PARENTS, then your
class should prepare itself to do all operations in local coordinates.
< DL > < DT > < DD > < / DL > < P >
< A NAME = "endOperate" > < / A >
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< A NAME = "DOC.2.13.6" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual void endOperate()< / B > < / TT >
< DD > Do something after all particles have been processed
< DL > < DT > < DD > < / DL > < P >
< A NAME = "~Operator" > < / A >
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< A NAME = "DOC.2.13.7" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > virtual ~Operator()< / B > < / TT >
< DL > < DT > < DD > < / DL > < P >
< A NAME = "operator=" > < / A >
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< A NAME = "DOC.2.13.8" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > <!1> < A HREF = "Operator.html" > Operator< / A > & operator=(const <!1> < A HREF = "Operator.html" > Operator< / A > & )< / B > < / TT >
< DL > < DT > < DD > < / DL > < P >
< A NAME = "Operator" > < / A >
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< A NAME = "DOC.2.13.10" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > inline Operator()< / B > < / TT >
< DL > < DT > < DD > < / DL > < P >
< A NAME = "Operator" > < / A >
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< A NAME = "DOC.2.13.11" > < / A >
< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > inline Operator(const <!1> < A HREF = "Operator.html#DOC.2.13.11" > Operator< / A > & copy, const osg::CopyOp & copyop)< / B > < / TT >
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< DL > < DT > < DD > < / DL > < P >
< A NAME = "isEnabled" > < / A >
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< A NAME = "DOC.2.13.12" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > inline bool isEnabled() const < / B > < / TT >
< DD > Get whether this operator is enabled
< DL > < DT > < DD > < / DL > < P >
< A NAME = "setEnabled" > < / A >
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< A NAME = "DOC.2.13.13" > < / A >
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< DT > < IMG ALT = "o" BORDER = 0 SRC = icon2.gif > < TT > < B > inline void setEnabled(bool v)< / B > < / TT >
< DD > Enable or disable this operator
< DL > < DT > < DD > < / DL > < P > < / DL >
< HR >
< DL > < DT > < B > Direct child classes:
< / B > < DD > < A HREF = "ForceOperator.html" > ForceOperator< / A > < BR >
< A HREF = "FluidFrictionOperator.html" > FluidFrictionOperator< / A > < BR >
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< A HREF = "AngularAccelOperator.html" > AngularAccelOperator< / A > < BR >
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< A HREF = "AccelOperator.html" > AccelOperator< / A > < BR >
< / DL >
< DL > < DT > < DD > < / DL > < P > < P > < I > < A HREF = "index.html" > Alphabetic index< / A > < / I > < I > < A HREF = "HIER.html" > HTML hierarchy of classes< / A > or < A HREF = "HIERjava.html" > Java< / A > < / I > < / P > < HR >
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