source: GTP/branches/IllumWPdeliver2008dec/IlluminationWP/demos/Standalone/Hierarchical Systems Demo [OpenGL]/RESOURCES/include/My3DGraphRes/ParticleEmitter.h @ 3255

#pragma once
#include "Vector.h"
#include "Particle.h"

class ParticleEmitter
{
public:
        ParticleEmitter(void);
        ~ParticleEmitter(void);

private:
        float m_Radius;//emitter type=point if radius=0
        
        /*
        float m_Transparency[3];
        float albedo;
        float symmetry;
        */

        Vector* m_ScriptPositions;
        int m_ScriptPositionCount;
        float m_Offset;

        int m_Type;
        Vector m_Position;
        float m_Velocity;
        float m_VelocityVariation;
        Vector m_Direction;
        unsigned int m_TimeToLive; //if 0 live forever
        float m_Size;
        float m_Sizevariation;
        unsigned int m_TTLvariation;
        unsigned int m_EmissionRate; //particles/sec; if 0 emits as much as possible
        
        bool m_isDirectionSet;

        unsigned int m_EmittedInSecond; //number of particles allready emitted in this second

public:

        unsigned int Emit(unsigned int Dt,unsigned int maxcount,Particle* particles,Vector CamPos=Vector());
        void setPosition(Vector pos){m_Position=pos;}
        void setRadius(float radius){m_Radius=radius;}
        void setVelocity(float vel){m_Velocity=vel;}
        void setVelocityVariation(float vel){m_VelocityVariation=vel;}
        void setDirection(Vector dir){m_Direction=dir;m_isDirectionSet=true;}
        void setTimeToLive(unsigned int ttl){m_TimeToLive=ttl;}
        void setTimeToLiveVariation(unsigned int ttl){m_TTLvariation=ttl;}
        void setSize(float size){m_Size=size;}
        void setSizevariation(float var){m_Sizevariation=var;}
        void setEmissionRate(unsigned int rate){m_EmissionRate=rate;}
        void setPositionsFile(char* filename);
        void setOffset(float o){m_Offset=o;}

        float getSize(){return m_Size;}
};