extends Node var WINDOW_SIZE = Vector2.ZERO var WINDOW_CENTER = Vector2.ZERO var DISPLAY_MODES = ["CIRCLE", "RECTANGLE"] var DISPLAY_MODE_IDX = 0 var DISPLAY_PARAMETERS = [0, 0] var TL_CORNER = Vector2(-1., -1.).normalized() var TR_CORNER = Vector2(1., -1.).normalized() var BL_CORNER = Vector2(-1., 1.).normalized() var BR_CORNER = Vector2(1., 1.).normalized()