Border, HBorder, VBorder - visual separators
is the base class for interactors that simply display a line of a
given thickness, usually to separate other interactors in a scene.
objects have a fixed height and are infinitely stretchable and
shrinkable horizontally. VBorder
objects have a fixed width and are
infinitely stretchable and shrinkable vertically.
- HBorder(int thickness = 1)
- VBorder(int thickness = 1)
- Construct a border with a given thickness (default is one