NazaraEngine/include/Nazara/Graphics/ParticleEmitter.hpp

49 lines
1.3 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_PARTICLEEMITTER_HPP
#define NAZARA_PARTICLEEMITTER_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Utility/Node.hpp>
class NzParticleMapper;
class NzParticleSystem;
class NAZARA_API NzParticleEmitter : public NzNode
{
public:
NzParticleEmitter();
NzParticleEmitter(const NzParticleEmitter& emitter) = default;
NzParticleEmitter(NzParticleEmitter&& emitter) = default;
virtual ~NzParticleEmitter();
virtual void Emit(NzParticleSystem& system, float elapsedTime) const;
void EnableLagCompensation(bool enable);
unsigned int GetEmissionCount() const;
float GetEmissionRate() const;
bool IsLagCompensationEnabled() const;
void SetEmissionCount(unsigned int count);
void SetEmissionRate(float rate);
NzParticleEmitter& operator=(const NzParticleEmitter& emitter) = default;
NzParticleEmitter& operator=(NzParticleEmitter&& emitter) = default;
private:
virtual void SetupParticles(NzParticleMapper& mapper, unsigned int count) const = 0;
bool m_lagCompensationEnabled;
mutable float m_emissionAccumulator;
float m_emissionRate;
unsigned int m_emissionCount;
};
#endif // NAZARA_PARTICLEEMITTER_HPP