Particle ParticleEmitter::emit () {
int mass = randomness ? randBetween(1, 10) : 1;
Particle particle = Particle(this->location, mass);
Vector3 emitDirection = direction;
// Add random variation to emit direction
if (randomness) {
int offsetSign = randBetween(0, 1);
int spread = randBetween(0, emitSpread);
emitDirection.x += (offsetSign == 0 ? spread : -spread);
spread = randBetween(1, emitSpread);
offsetSign = randBetween(0, 1);
emitDirection.y += (offsetSign == 0 ? spread : -spread);
spread = randBetween(1, emitSpread);
offsetSign = randBetween(0, 1);
emitDirection.z += (offsetSign == 0 ? spread : -spread);
}
// Add random variation to emit velocity
double velocity = Particle::initialVelocity;
//velocity += randBetween(-5, 5);
Vector3 emitForce = emitDirection.normalise().mult(velocity);
particle.applyForce(emitForce);
return particle;
}
void Emitter::createParticle()
{
float x;
float y;
Particle particle = Particle(boundary, location, 10);
//if (leftParticles)
//{
// x = vx(generator);
// y = vy(generator);
// leftParticles = false;
//}
//else
//{
x = explosionVX(generator);
y = explosionVY(generator);
// leftParticles = true;
//}
particle.setVelocity(sf::Vector2f(x, y));
sf::Sprite sprite = particle.getSprite();
sprite.setTexture(texture1);
sprite.setPosition(particle.getLocation());
particle.applyForce(sf::Vector2f(0, 10000));
particle.setSprite(sprite);
this->particles.push_front(particle);
}
