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# osgParticle::ForceOperator Class Reference

An operator that applies a constant force to the particles. More...

Inheritance diagram for osgParticle::ForceOperator:

[legend]
List of all members.

## Public Member Functions
| ForceOperator ()
| ForceOperator (const ForceOperator &copy, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
| META_Object (osgParticle, ForceOperator)
const osg::Vec3 & | getForce () const
| Get the force vector.
void | setForce (const osg::Vec3 &f)
| Set the force vector.
void | operate (Particle *P, double dt)
| Apply the force to a particle. Do not call this method manually.
void | beginOperate (Program *prg)
| Perform some initialization. Do not call this method manually.
## Protected Member Functions
virtual | ~ForceOperator ()
ForceOperator & | operator= (const ForceOperator &)

## Detailed Description

An operator that applies a constant force to the particles.

Remember that if the mass of particles is expressed in <U>kg</U> and the lengths are expressed in <U>meters</U>, then the force should be expressed in <U>Newtons</U>.

## Constructor & Destructor Documentation

osgParticle::ForceOperator::ForceOperator | ( |  | ) | `[inline]`

osgParticle::ForceOperator::ForceOperator | ( | const ForceOperator & | copy,
|  | const osg::CopyOp & | copyop = `osg::CopyOp::SHALLOW_COPY`
| ) | `[inline]`

virtual osgParticle::ForceOperator::~ForceOperator | ( |  | ) | `[inline, protected, virtual]`

## Member Function Documentation

void osgParticle::ForceOperator::beginOperate | ( | Program * | prg | ) | `[inline, virtual]`

| Perform some initialization. Do not call this method manually. Reimplemented from osgParticle::Operator.

const osg::Vec3 & osgParticle::ForceOperator::getForce | ( |  | ) | const`[inline]`

| Get the force vector.

osgParticle::ForceOperator::META_Object | ( | osgParticle | ,
|  | ForceOperator |
| ) |

void osgParticle::ForceOperator::operate | ( | Particle * | P,
|  | double | dt
| ) | `[inline, virtual]`

| Apply the force to a particle. Do not call this method manually. Implements osgParticle::Operator.

ForceOperator& osgParticle::ForceOperator::operator= | ( | const ForceOperator & |  | ) | `[inline, protected]`

void osgParticle::ForceOperator::setForce | ( | const osg::Vec3 & | f | ) | `[inline]`

| Set the force vector.

The documentation for this class was generated from the following file:

- ForceOperator