void Main()
{
//작업을 요청하기 위해 Invoker 생성.
DrawingInvoker drawing = new DrawingInvoker();
//원을 그린다. (3,5)
CircleReceiver circleReceiver = new CircleReceiver(3, 5);
drawing.Execute(new DrawCircleCommand(circleReceiver));
//네모를 그린다. (123)
RectReceiver rectReceiver = new RectReceiver(12, 3);
drawing.Execute(new DrawRectCommand(rectReceiver));
//네모를 지운다. (12,3)
drawing.Execute(new EraseRectCommand(rectReceiver));
//네모를 그린다. (12,3)
drawing.Execute(new DrawRectCommand(rectReceiver));
//원을 그린다. (1,1)
drawing.Execute(new DrawCircleCommand(new CircleReceiver(1, 1)));
Debug.Log("==========================");
drawing.Undo(); //원을 지우고 (1,1)
drawing.Undo(); //네모를 지우고(12,3)
drawing.Undo(); //네모를 그리고(12,3)
drawing.Execute(new DrawRectCommand(rectReceiver));
}
public EraseRectCommand(RectReceiver receiver)
{
this.receiver = receiver;
}
public DrawRectCommand(RectReceiver receiver)
{
this.receiver = receiver;
}
