# style=c2: Cross II.

present=4
ranget=[-8:8]

c=!randitem 2,3

ineq=(x+$c*y)*($c*x-y) < 0,\
(x+$c*y)*($c*x-y) > 0,\
($c*x+y)*(x-$c*y) < 0,\
($c*x+y)*(x-$c*y) > 0

plotf=$c*t,-t;,t,$c*t;\
$c*t,-t;,t,$c*t;\
$c*t,t;,-t,$c*t;\
$c*t,t;,-t,$c*t;

sh=!shuffle 4
ineq=!item $sh of $ineq
plotf=!line $sh of $plotf

