@Override
    public void handleCollision(Actor other) {
        if(other instanceof Projectile){
            hitPoints -= ((Projectile) other).getDamage();
        } else if ( other instanceof Asteroid || other instanceof actor.ship.Ship){
            // Don't collide with our siblings
            if(other.getParentId() != null && other.getParentId().equals(getParentId()))
                return;
            // "Die" for our next update
            hitPoints = 0;
        }
    }