/// <summary>
/// Removes every Thing from the pigWorld, but will leave the Walls in place.
/// </summary>
public void RemoveAllThings()
{
// Because the Delete method updates the list of Things, we make a copy of the list first.
List <Thing> localListOfThings = new List <Thing>(Things);
for (int i = 0; i < localListOfThings.Count; i++)
{
// The Things update themselves, so we can't use "foreach" here.
Thing thing = localListOfThings[i];
if (!thing.Exists())
{
continue;
}
thing.Delete();
}
LifeForm.ResetAllIds();
}
