/// <summary>
/// Remove the particle attractor from the ParticleEngine.
/// </summary>
public void RemoveAttractor(ParticleAttractor attractor)
{
attractors.Remove(attractor);
}
/// <summary>
/// Add the particle attractor to the ParticleEngine.
/// </summary>
public void AddAttractor(ParticleAttractor attractor)
{
attractors.Add(attractor);
}
