/**
* {@link #pack() Packs} the dialog and adds it to the stage, centered with default fadeIn action
*/
public Dialog show(Stage stage) {
show(stage, sequence(Actions.alpha(0), Actions.fadeIn(0.4f, Interpolation.fade)));
setPosition(
Math.round((stage.getWidth() - getWidth()) / 2),
Math.round((stage.getHeight() - getHeight()) / 2));
return this;
}
