0ad/source/terrain/ParticleEmitter.h

//***********************************************************
//
// Name:		ParticleEmitter.h
// Last Update: 03/01/04
// Author:		Ben Vinegar
//
// Description: Particle class header
//
//***********************************************************

#ifndef PARTICLE_EMITTER_H
#define PARTICLE_EMITTER_H

#include "Particle.h"
#include "Sprite.h"
#include "Vector3D.h"
#include <vector>

class CParticleEmitter {
	public:
		CParticleEmitter();
		~CParticleEmitter();

		// must be performed before first frame/render/update call
		bool Init();

		// renders and updates particles
		void Frame();

		// renders without updating particles
		void Render();
		
		void Update();

		void SetSprite(CSprite * sprite);

		void SetOrigin(CVector3D origin);
		void SetOrigin(float x, float y, float z);

		void SetOriginSpread(CVector3D spread);
		void SetOriginSpread(float x, float y, float z);
	
		void SetGravity(CVector3D gravity);
		void SetGravity(float x, float y, float z);

		void SetVelocity(CVector3D direction);
		void SetVelocity(float x, float y, float z);

		void SetVelocitySpread(CVector3D spread);
		void SetVelocitySpread(float x, float y, float z);

		void SetStartColour(float r, float g, float b, float a);
		void SetEndColour(float r, float g, float b, float a);

		// in milliseconds
		void SetMaxLifetime(double maxLife);

		// in milliseconds
		void SetMinLifetime(double minLife);

		void SetMaxParticles(int maxParticles);

		void SetMinParticles(int minParticles);

	private:
		CSprite * m_sprite;

		std::vector<CParticle *> m_particles;

		CVector3D m_origin;
		CVector3D m_originSpread;

		CVector3D m_velocity;
		CVector3D m_velocitySpread;

		CVector3D m_gravity;

		float m_startColour[4];
		float m_endColour[4];

		int m_maxParticles;
		int m_minParticles;
		int m_numParticles;

		double m_maxLifetime;
		double m_minLifetime;
		
		double m_timeOfLastFrame;
		float  m_timeSinceLastEmit;
};

#endif // PARTICLE_EMITTER_H