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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
#define __C_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
#include "IParticleRotationAffector.h"
namespace irr
{
namespace scene
{
//! Particle Affector for rotating particles about a point
class CParticleRotationAffector : public IParticleRotationAffector
{
public:
CParticleRotationAffector( const core::vector3df& speed = core::vector3df(5.0f, 5.0f, 5.0f),
const core::vector3df& point = core::vector3df() );
//! Affects a particle.
virtual void affect(u32 now, SParticle* particlearray, u32 count);
//! Set the point that particles will attract to
virtual void setPivotPoint( const core::vector3df& point ) { PivotPoint = point; }
//! Set the speed in degrees per second
virtual void setSpeed( const core::vector3df& speed ) { Speed = speed; }
//! Get the point that particles are attracted to
virtual const core::vector3df& getPivotPoint() const { return PivotPoint; }
//! Get the speed in degrees per second
virtual const core::vector3df& getSpeed() const { return Speed; }
//! Writes attributes of the object.
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
//! Reads attributes of the object.
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
private:
core::vector3df PivotPoint;
core::vector3df Speed;
u32 LastTime;
};
} // end namespace scene
} // end namespace irr
#endif // __C_PARTICLE_ROTATION_AFFECTOR_H_INCLUDED__
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