public virtual Particle AddParticle(Vector2f position, Vector2f initialVelocity, Vector2f gravity, float lifeTime, Color color)
{
var particle = new Particle(position, initialVelocity, gravity, this, lifeTime, color);
AddParticle(particle);
return particle;
}
public void RemoveParticle(Particle particle)
{
particles.Remove(particle);
}
public void AddParticle(Particle particle)
{
if(particle == this) throw new ArgumentException("Can't add an emitter to itself.");
particles.Add(particle);
}
public abstract void ModifyParticle(Particle particle, float dt);