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// Nouveau system variant.
#define shrink s 0.999
set maxdepth 1000
set background #888
6 * { rz 60 color white } hbox
//{ s 80 80 0.1 color white } box
//set raytracer::light [0,0,-20]
rule hbox { set seed initial r}
rule r { { rx 90 } forward }
rule r { { rx -90 }forward }
rule r { forward }
rule r { forward }
rule r { turn }
rule r { turn2 }
rule forward md 90 > r {
dbox
{ rz 2 x 0.1 shrink } forward
}
rule turn md 90 > r {
dbox
{ rz 2 x 0.1 shrink } turn
}
rule turn2 md 90 > r {
dbox
{ rz -2 x 0.1 shrink } turn2
}
rule turn3 md 90 > r {
dbox
{ ry -2 x 0.1 shrink } turn3
}
rule turn4 md 90 > r {
dbox
{ ry -2 x 0.1 shrink } turn4
}
rule turn5 md 90 > r {
dbox
{ rx -2 x 0.1 shrink } turn5
}
rule turn6 md 90 > r {
dbox
{ rx -2 x 0.1 shrink } turn6
}
rule dbox {
{ s 0.2 1 1 } box
{ rx 10 s 0.2 1 1 color black } box
}
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