get_focus

Help Contents geomland Object ellipse get_focus
ellipseP Object hyperbola

geomland.get_focus :obj


gets :obj`s focus.

Definition:

to geomland.get_focus :obj 
	if parabola? :obj
	[output :obj.foc]
	[output (set :obj.focus1 :obj.focus2)]
end

ellipseP Object hyperbola