/// <summary>
/// Elimina gli oggetti che escono dal box degli oggetti
/// </summary>
private void DeleteObjectsOutOfBox()
{
IList <string> modelsToDelete = physicsGame.Components.Where(w => w.Value is IRigidBodyComponent && ((IRigidBodyComponent)w.Value).RigidBody.Position.Length() > boxRadius).Select(w => w.Key).ToList();
for (int i = 0; i < modelsToDelete.Count; i++)
{
physicsGame.RemoveComponent(modelsToDelete[i]);
}
}