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#include "ParticleEmitter.h"
#include "Particle.h"
#include <ctime>
#include <iostream>
using namespace crepe;
ParticleEmitter::ParticleEmitter(uint32_t gameObjectId, uint32_t max_particles,
uint32_t emission_rate, uint32_t speed,
uint32_t speed_offset, uint32_t angle,
uint32_t angleOffset, float m_begin_lifespan,
float m_end_lifespan)
: Component(gameObjectId), m_max_particles(max_particles),
m_emission_rate(emission_rate), m_speed(speed), m_speed_offset(speed_offset),
m_position{0, 0}, m_begin_lifespan(m_begin_lifespan),
m_end_lifespan(m_end_lifespan) {
std::srand(
static_cast<uint32_t>(std::time(nullptr))); // initialize random seed
std::cout << "Create emitter" << std::endl;
m_min_angle
= (360 + angle - (angleOffset % 360)) % 360; // calculate minAngle
m_max_angle
= (360 + angle + (angleOffset % 360)) % 360; // calculate maxAngle
m_position.x = 400;
m_position.y = 400;
for (size_t i = 0; i < m_max_particles; i++) {
this->particles.emplace_back();
}
}
ParticleEmitter::~ParticleEmitter() {
std::vector<Particle>::iterator it = this->particles.begin();
while (it != this->particles.end()) {
it = this->particles.erase(it);
}
}
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