#include "pch.h"
#include "ParticleManager.h"
#include <algorithm>
#include <iostream>

ParticleManager::ParticleManager()
	: m_pParticles{ }
{

}

ParticleManager::~ParticleManager()
{
	for (int i{}; i < int(m_pParticles.size()); i++)
	{
		delete m_pParticles[i];
		m_pParticles[i] = nullptr;
	}
}

Particle* ParticleManager::AddParticle(Particle* pParticle)
{
	m_pParticles.push_back(pParticle);
	return m_pParticles.back();
}

void ParticleManager::CreateBlood(const Point2f& pos)
{
	AddParticle(new Particle{ pos, Vector2f{ 750, 500 } });
	AddParticle(new Particle{ pos, Vector2f{ 150, 750 } });
	AddParticle(new Particle{ pos, Vector2f{ -750, 500 } });
}

void ParticleManager::Update(float elapsedSec, const Level& level)
{
	bool deleted{};
	using ForwardIt = std::vector<Particle*>::reverse_iterator;

	for (Particle* pParticle : m_pParticles)
	{
		pParticle->Update(elapsedSec, level);
	}
	
}

void ParticleManager::Draw() const
{
	for (Particle* pParticle : m_pParticles)
	{
		pParticle->Draw();
	}
}

size_t ParticleManager::Size() const
{
	return m_pParticles.size();
}

std::vector<Particle*>& ParticleManager::GetParticles()
{
	return m_pParticles;
}