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Particle.cpp
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Particle.cpp
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#include "Particle.hpp"
Particle::Particle(Vec2 position, Vec2 velocity, ParticleConfig config) {
Particle::pos = position;
Particle::vel = velocity;
Particle::ticks = 0;
Particle::lifetime = config.get_lifetime();
int randomsize = config.get_size();
Particle::size = Vec2(randomsize, randomsize);
Particle::collides_blocks = true;
Particle::dead = false;
Particle::color = config.get_color();
Particle::shape.setFillColor(Particle::color.toColor());
Particle::shape.setSize(sf::Vector2f(Particle::size.x, Particle::size.y));
Particle::shape.setPosition(Particle::pos.x, Particle::pos.y);
Particle::hasDeathfunc = false;
Particle::hasUpdatefunc = false;
}
Particle::~Particle() {
}
bool Particle::dead_by_age() {
return Particle::ticks > Particle::lifetime;
}
void Particle::registerDeath(std::function<void(Particle*)> deathfunc) {
Particle::hasDeathfunc = true;
Particle::deathfunc = deathfunc;
}
void Particle::registerUpdate(std::function<void(Particle*)> updatefunc) {
Particle::hasUpdatefunc = true;
Particle::updatefunc = updatefunc;
}
void Particle::update(Grid& grid) {
if (!Particle::hasDeathfunc) {
if (Particle::dead_by_age()) {
Particle::dead = true;
}
} else {
Particle::deathfunc(this);
}
Particle::ticks++;
if (!Particle::hasUpdatefunc) {
Particle::vel.y += 0.35;
Particle::pos += Particle::vel;
} else {
Particle::updatefunc(this);
}
Particle::shape.setFillColor(Particle::color.toColor());
Particle::shape.setSize(sf::Vector2f(Particle::size.x, Particle::size.y));
Particle::shape.setPosition(Particle::pos.x, Particle::pos.y);
}
void Particle::render(sf::RenderWindow& window, Grid& grid) {
if (!Particle::dead) {
Particle::shape.setPosition(pos.x + grid.offset.x, pos.y + grid.offset.y);
window.draw(Particle::shape);
Particle::shape.setPosition(pos.x - grid.offset.x, pos.y - grid.offset.y);
}
}