/// <summary>
/// Removes a force.
/// </summary>
/// <param name="force">The force to be removed.</param>
internal static void Remove(IWorldForce force)
{
if (forces.Contains(force))
{
forces.Remove(force);
}
if (force is IUpdate && updateForces.Contains(force as IUpdate))
{
updateForces.Remove(force as IUpdate);
}
}
/// <summary>
/// Adds a force.
/// </summary>
/// <param name="force">The force to be applied.</param>
internal static void AddForce(IWorldForce force)
{
IWorldForce f = null;
f = (from c in forces
where c.ID == force.ID
select c).FirstOrDefault();
if (f == null)
{
if (force is IUpdate)
{
updateForces.Add(force as IUpdate);
}
forces.Add(force);
}
}
