107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
// Copyright (C) 2002-2007 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_EMITTER_H_INCLUDED__
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#define __I_PARTICLE_EMITTER_H_INCLUDED__
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#include "IAttributeExchangingObject.h"
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#include "SParticle.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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//! Types of built in particle emitters
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enum E_PARTICLE_EMITTER_TYPE
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{
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EPET_POINT = 0,
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EPET_BOX,
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EPET_COUNT
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};
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//! Names for built in particle emitters
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const c8* const ParticleEmitterTypeNames[] =
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{
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"Point",
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"Box",
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0
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};
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//! A particle emitter for using with particle systems.
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/** A Particle emitter emitts new particles into a particle system.
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*/
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class IParticleEmitter : public virtual io::IAttributeExchangingObject
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{
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public:
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//! destructor
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virtual ~IParticleEmitter() {};
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//! Prepares an array with new particles to emitt into the system
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//! and returns how much new particles there are.
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//! \param now: Current time.
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//! \param timeSinceLastCall: Time elapsed since last call, in milliseconds.
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//! \param outArray: Pointer which will point to the array with the new
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//! particles to add into the system.
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//! \return Returns amount of new particles in the array. Can be 0.
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virtual s32 emitt(u32 now, u32 timeSinceLastCall, SParticle*& outArray) = 0;
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//! Set direction the emitter emits particles
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virtual void setDirection( const core::vector3df& newDirection ) = 0;
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//! Set minimum number of particles the emitter emits per second
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virtual void setMinParticlesPerSecond( u32 minPPS ) = 0;
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//! Set maximum number of particles the emitter emits per second
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virtual void setMaxParticlesPerSecond( u32 maxPPS ) = 0;
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//! Set minimum starting color for particles
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virtual void setMinStartColor( const video::SColor& color ) = 0;
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//! Set maximum starting color for particles
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virtual void setMaxStartColor( const video::SColor& color ) = 0;
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//! Get direction the emitter emits particles
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virtual const core::vector3df& getDirection() const = 0;
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//! Get the minimum number of particles the emitter emits per second
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virtual u32 getMinParticlesPerSecond() const = 0;
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//! Get the maximum number of particles the emitter emits per second
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virtual u32 getMaxParticlesPerSecond() const = 0;
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//! Get the minimum starting color for particles
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virtual const video::SColor& getMinStartColor() const = 0;
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//! Get the maximum starting color for particles
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virtual const video::SColor& getMaxStartColor() const = 0;
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//! Writes attributes of the object.
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//! Implement this to expose the attributes of your scene node animator for
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//! scripting languages, editors, debuggers or xml serialization purposes.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) {}
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//! Reads attributes of the object.
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//! Implement this to set the attributes of your scene node animator for
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//! scripting languages, editors, debuggers or xml deserialization purposes.
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//! \param startIndex: start index where to start reading attributes.
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//! \param in: The attributes to work with.
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//! \param options: Additional options.
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//! \return: returns last index of an attribute read by this affector
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virtual s32 deserializeAttributes(s32 startIndex, io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) { return 0; }
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//! Get emitter type
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virtual E_PARTICLE_EMITTER_TYPE getType() const { return EPET_POINT; }
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};
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typedef IParticleEmitter IParticlePointEmitter;
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} // end namespace scene
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} // end namespace irr
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#endif
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