140 lines
4.3 KiB
C++
140 lines
4.3 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 __C_PARTICLE_SYSTEM_SCENE_NODE_H_INCLUDED__
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#define __C_PARTICLE_SYSTEM_SCENE_NODE_H_INCLUDED__
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#include "IParticleSystemSceneNode.h"
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#include "irrArray.h"
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#include "irrList.h"
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#include "SMeshBuffer.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 system scene node.
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/** A scene node controlling a particle system. The behavior of the particles
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can be controlled by setting the right particle emitters and affectors.
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*/
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class CParticleSystemSceneNode : public IParticleSystemSceneNode
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{
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public:
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//! constructor
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CParticleSystemSceneNode(bool createDefaultEmitter,
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ISceneNode* parent, ISceneManager* mgr, s32 id,
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const core::vector3df& position,
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const core::vector3df& rotation,
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const core::vector3df& scale);
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//! destructor
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virtual ~CParticleSystemSceneNode();
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//! Sets the particle emitter, which creates the particles.
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virtual void setEmitter(IParticleEmitter* emitter);
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//! Adds new particle affector to the particle system.
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virtual void addAffector(IParticleAffector* affector);
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//! Removes all particle affectors in the particle system.
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virtual void removeAllAffectors();
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//! Returns the material based on the zero based index i.
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virtual video::SMaterial& getMaterial(u32 i);
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//! Returns amount of materials used by this scene node.
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virtual u32 getMaterialCount();
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//! pre render event
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virtual void OnRegisterSceneNode();
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//! render
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virtual void render();
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//! returns the axis aligned bounding box of this node
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virtual const core::aabbox3d<f32>& getBoundingBox() const;
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//! Creates a point particle emitter.
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virtual IParticleEmitter* createPointEmitter(
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const core::vector3df& direction = core::vector3df(0.0f,0.03f,0.0f),
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u32 minParticlesPerSecond = 5,
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u32 maxParticlePerSecond = 10,
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video::SColor minStartColor = video::SColor(255,0,0,0),
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video::SColor maxStartColor = video::SColor(255,255,255,255),
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u32 lifeTimeMin=2000, u32 lifeTimeMax=4000,
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s32 maxAngleDegrees=0);
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//! Creates a box particle emitter.
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virtual IParticleEmitter* createBoxEmitter(
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const core::aabbox3df& box = core::aabbox3d<f32>(-10,0,-10,5,30,10),
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const core::vector3df& direction = core::vector3df(0.0f,0.03f,0.0f),
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u32 minParticlesPerSecond = 5,
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u32 maxParticlePerSecond = 10,
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video::SColor minStartColor = video::SColor(255,0,0,0),
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video::SColor maxStartColor = video::SColor(255,255,255,255),
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u32 lifeTimeMin=2000, u32 lifeTimeMax=4000,
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s32 maxAngleDegrees=0);
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//! Creates a fade out particle affector.
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virtual IParticleAffector* createFadeOutParticleAffector(
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video::SColor targetColor = video::SColor(0,0,0,0),
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u32 timeNeededToFadeOut = 1000);
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//! Creates a gravity affector.
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virtual IParticleAffector* createGravityAffector(
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const core::vector3df& gravity = core::vector3df(0.0f,-0.03f,0.0f),
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u32 timeForceLost = 1000);
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//! Sets the size of all particles.
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virtual void setParticleSize(
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const core::dimension2d<f32> &size = core::dimension2d<f32>(5.0f, 5.0f));
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//! Sets if the particles should be global. If they are, the particles are affected by
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//! the movement of the particle system scene node too, otherwise they completely
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//! ignore it. Default is true.
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virtual void setParticlesAreGlobal(bool global);
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//! Writes attributes of the scene node.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0);
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//! Reads attributes of the scene node.
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0);
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//! Returns type of the scene node
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virtual ESCENE_NODE_TYPE getType() const { return ESNT_PARTICLE_SYSTEM; }
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private:
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void doParticleSystem(u32 time);
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void reallocateBuffers();
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core::list<IParticleAffector*> AffectorList;
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IParticleEmitter* Emitter;
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core::array<SParticle> Particles;
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core::dimension2d<f32> ParticleSize;
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u32 LastEmitTime;
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s32 MaxParticles;
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SMeshBuffer Buffer;
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enum E_PARTICLES_PRIMITIVE
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{
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EPP_POINT=0,
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EPP_BILLBOARD,
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EPP_POINTSPRITE
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};
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E_PARTICLES_PRIMITIVE ParticlePrimitive;
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bool ParticlesAreGlobal;
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};
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} // end namespace scene
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} // end namespace irr
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#endif
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