fixed Ray2D constructor NullPointerException for new Ray2D(x,y,d)
fixed Ray2D constructor NullPointerException for new Ray2D(x,y,d)

--HG--
branch : toxiclibs

ruby-processing/toxiclibs,rekii/toxiclibs,postspectacular/toxiclibs,postspectacular/toxiclibs,rekii/toxiclibs