コード例 #1
0
 /// <summary>
 /// Verifica se o poligono foi selecionado, se clicado dentro da bbox e poligono
 /// </summary>
 /// <param name="polygons"></param>
 /// <param name="X"></param>
 /// <param name="Y"></param>
 /// <returns></returns>
 public static Polygon GetSelected(List <Polygon> polygons, double X, double Y)
 {
     foreach (var polygon in polygons)
     {
         var bBox = polygon.GetBBox();
         if (
             X >= bBox.largerDistanceLeft &&
             X <= bBox.largerDistanceRight &&
             Y >= bBox.largetDistanceBottom &&
             Y <= bBox.largerDistanceTop &&
             WasClickedInside(polygon.GetTransformedPoints(), X, Y)
             )
         {
             return(polygon);
         }
         var selectedChild = PolygonSelector.GetSelected(polygon.children, X, Y);
         if (selectedChild != null)
         {
             return(selectedChild);
         }
     }
     return(null);
 }
コード例 #2
0
 /// <summary>
 /// Verifica qual ação deve tomar com base no comando recebido
 /// </summary>
 /// <param name="command"></param>
 /// <param name="mundo"></param>
 /// <returns></returns>
 public IState Perform(Command command, Mundo mundo)
 {
     if (command.Equals(Command.ESCAPE))
     {
         mundo.polygonSelected = null;
     }
     else if (command.Equals(Command.SELECT_POLYGON))
     {
         var selectedPolygon = PolygonSelector.GetSelected(mundo.polygons, Mouse.X, Mouse.Y);
         if (selectedPolygon != null)
         {
             mundo.polygonSelected = selectedPolygon;
         }
     }
     else if (command.Equals(Command.MOVE))
     {
         if (mundo.polygonSelected != null)
         {
             return(new TranslatePolygonState(mundo));
         }
     }
     else if (command.Equals(Command.SCALE))
     {
         if (mundo.polygonSelected != null)
         {
             return(new ScalePolygonState());
         }
     }
     else if (command.Equals(Command.ROTATE))
     {
         if (mundo.polygonSelected != null)
         {
             return(new RotatePolygonState(mundo));
         }
     }
     else if (command.Equals(Command.CHILD))
     {
         if (mundo.polygonSelected != null)
         {
             return(new ChildState(mundo));
         }
     }
     else if (command.Equals(Command.NEW_POINT))
     {
         return(new CreatingPolygonState(mundo));
     }
     else if (command.Equals(Command.SELECT_VERTEX))
     {
         if (mundo.polygonSelected != null)
         {
             return(new PointPolygonSelectedState().Perform(command, mundo));
         }
     }
     else if (command.Equals(Command.DELETE))
     {
         return(new DeletingPolygonState().Perform(command, mundo));
     }
     else if (command.Equals(Command.CHANGE_PRIMITIVE))
     {
         return(new PrimitiveState().Perform(command, mundo));
     }
     else if (
         command.Equals(Command.CHANGE_BLUE) ||
         command.Equals(Command.CHANGE_COLOR_RED) ||
         command.Equals(Command.CHANGE_GREEN)
         )
     {
         return(new ColorState().Perform(command, mundo));
     }
     return(this);
 }