Method Update

menu.go:202–498

()

}

func (menu *Menu) Update() {

	if menu.AutoOpen != nil {

		if menu.AutoOpen() && !menu.Opened {
			menu.Open()
		} else if !menu.AutoOpen() && menu.Opened {
			menu.Close()
		}
	}

	if menu.CurrentPage == "" {
		return
	}

	if menu.Opened {

		if menu.Dragging {
			diff := globals.Mouse.Position().Sub(menu.DragStart)
			menu.Rect.X = menu.DragStart.X + diff.X - menu.DragOffset.X
			menu.Rect.Y = menu.DragStart.Y + diff.Y - menu.DragOffset.Y
		}

		if menu.Rect.X < 0 {
			menu.Rect.X = 0
		}

		if menu.Rect.Y < 0 {
			menu.Rect.Y = 0
		}

		sizeChanged := false

		if menu.Draggable {

			switch menu.AnchorMode {
			case MenuAnchorTopLeft:
				menu.Rect.X = 0
				menu.Rect.Y = 0
			case MenuAnchorTop:
				menu.Rect.Y = 0
				if globals.ScreenSizeChanged {
					menu.Rect.X *= globals.ScreenSize.X / globals.ScreenSizePrev.X
				}
			case MenuAnchorTopRight:
				menu.Rect.X = globals.ScreenSize.X - menu.Rect.W
				menu.Rect.Y = 0
			case MenuAnchorRight:
				menu.Rect.X = globals.ScreenSize.X - menu.Rect.W
				if globals.ScreenSizeChanged {
					menu.Rect.Y *= globals.ScreenSize.Y / globals.ScreenSizePrev.Y
				}
			case MenuAnchorBottomRight:
				menu.Rect.X = globals.ScreenSize.X - menu.Rect.W
				menu.Rect.Y = globals.ScreenSize.Y - menu.Rect.H
			case MenuAnchorBottom:
				menu.Rect.Y = globals.ScreenSize.Y - menu.Rect.H
				if globals.ScreenSizeChanged {