ChaoticParticle - emitter

    public class ChaoticParticle : ParticleEmitter
    {
          public ChaoticParticle(MatrixCoords position, MatrixCoords speed, Random randomGenerator) :
            base(position, speed, randomGenerator)
        {
        }

        public override char[,] GetImage()
        {
            return new char[,] { { (char)18 } };
        }

        public override IEnumerable<Particle> Update()
        {
            this.Speed = GetRandomCoords();
            this.Move();
            return new List<Particle>();
        }
    }