43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __I_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
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#define __I_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
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#include "IParticleAffector.h"
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namespace irr
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{
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namespace scene
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{
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//! A particle affector which applies gravity to particles.
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class IParticleGravityAffector : public IParticleAffector
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{
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public:
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//! Set the time in milliseconds when the gravity force is totally lost
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/** At that point the particle does not move any more. */
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virtual void setTimeForceLost( f32 timeForceLost ) = 0;
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//! Set the direction and force of gravity in all 3 dimensions.
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virtual void setGravity( const core::vector3df& gravity ) = 0;
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//! Get the time in milliseconds when the gravity force is totally lost
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virtual f32 getTimeForceLost() const = 0;
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//! Get the direction and force of gravity.
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virtual const core::vector3df& getGravity() const = 0;
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//! Get emitter type
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virtual E_PARTICLE_AFFECTOR_TYPE getType() const { return EPAT_GRAVITY; }
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};
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} // end namespace scene
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} // end namespace irr
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#endif // __I_PARTICLE_GRAVITY_AFFECTOR_H_INCLUDED__
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