/// <summary>
/// Creates a new <see cref="GeometricObject"/> that is a clone (deep copy) of the current
/// instance.
/// </summary>
/// <returns>
/// A new <see cref="GeometricObject"/> that is a clone (deep copy) of the current instance.
/// </returns>
/// <remarks>
/// <strong>Notes to Inheritors:</strong> The method <see cref="Clone"/> calls
/// <see cref="CreateInstanceCore"/> which is responsible for creating a new instance of the
/// <see cref="GeometricObject"/> derived class and <see cref="CloneCore"/> to create a copy of
/// the current instance. Classes that derive from <see cref="GeometricObject"/> need to
/// implement <see cref="CreateInstanceCore"/> and <see cref="CloneCore"/>.
/// </remarks>
public GeometricObject Clone()
{
GeometricObject clone = CreateInstance();
clone.CloneCore(this);
return(clone);
}
private GeometricObject CreateInstance()
{
GeometricObject newInstance = CreateInstanceCore();
if (GetType() != newInstance.GetType())
{
string message = String.Format(
CultureInfo.InvariantCulture,
"Cannot clone geometric object. The derived class {0} does not implement CreateInstanceCore().",
GetType());
throw new InvalidOperationException(message);
}
return(newInstance);
}
protected virtual void CloneCore(GeometricObject source)
{
Pose = source.Pose;
Shape = source.Shape.Clone();
Scale = source.Scale;
}