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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 __I_PARTICLE_AFFECTOR_H_INCLUDED__
#define __I_PARTICLE_AFFECTOR_H_INCLUDED__
#include "IAttributeExchangingObject.h"
#include "SParticle.h"
namespace irr
{
namespace scene
{
//! Types of built in particle affectors
enum E_PARTICLE_AFFECTOR_TYPE
{
EPAT_NONE = 0,
EPAT_ATTRACT,
EPAT_FADE_OUT,
EPAT_GRAVITY,
EPAT_ROTATE,
EPAT_SCALE,
EPAT_COUNT
};
//! Names for built in particle affectors
const c8* const ParticleAffectorTypeNames[] =
{
"None",
"Attract",
"FadeOut",
"Gravity",
"Rotate",
"Scale",
0
};
//! A particle affector modifies particles.
class IParticleAffector : public virtual io::IAttributeExchangingObject
{
public:
//! constructor
IParticleAffector() : Enabled(true) {}
//! Affects an array of particles.
/** \param now Current time. (Same as ITimer::getTime() would return)
\param particlearray Array of particles.
\param count Amount of particles in array. */
virtual void affect(u32 now, SParticle* particlearray, u32 count) = 0;
//! Sets whether or not the affector is currently enabled.
virtual void setEnabled(bool enabled) { Enabled = enabled; }
//! Gets whether or not the affector is currently enabled.
virtual bool getEnabled() const { return Enabled; }
//! Get emitter type
virtual E_PARTICLE_AFFECTOR_TYPE getType() const = 0;
protected:
bool Enabled;
};
} // end namespace scene
} // end namespace irr
#endif
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