def hello():
print("Hello World!")
menu1 = vrMenu(2, 1, 1)
menu1.setPosition2D(10,10)
menu1.addLabel("<font color=red>Menu</font>")
menu1.addCheckBox("Show statistics", "showStatistic(item_state)")
menu1.addPushButton("Hello World", "hello()")
menu1.setAlpha(1)
menu1.show()