UISingleton

export class UISingleton

singleton used for essential operations, mainly for 2d GUI,

the following variables are 2d panels

private expressiondis: ExpresionDisplay;

2d panel showing the expression in text format

private paneldis: Dirpanels2d;

2d panel containing options to place an subexpression at the selected direction

private oper: OperatorButtons;

2d panel used to select an operator action, only usable on operator cubes

private confirmPanel : ConfirmPanel;

2d panel responsible for validating the created expression, use alt to open the panel

private rootOperatorCube?: OperatorCube;

the root of the expression, undefined because the rootcube gets created later on

public resulte: string = "empty";

variable to contain the expression text