/// <summary>
/// Removes the specified Trail.
/// </summary>
/// <param name="trail">The trail to remove.</param>
public virtual void RemoveTrail(Trail trail)
{
trails.Remove(trail);
}
/// <summary>
/// Adds a Trail.
/// </summary>
/// <param name="trail">The trail to add.</param>
public virtual void AddTrail(Trail trail)
{
trails.Add(trail);
}
