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.PS
# Floor.m4
gen_init
s = 0.25
s60 = s*sqrt(3)/2
c60 = s/2
ni = 9
nj = 6
cellw = 3*s
cellh = 2*s60
B:box wid nj*cellw ht ni*cellh shaded rgbstring(0,1,0)
for i=1 to ni do {
for j=1 to nj do {
line shaded rgbstring(0,0,1) \
from B.sw+((j-1)*cellw,(i-1)*cellh) \
right c60 up s60 then right 2*s then up s60 right c60 then left s \
then down cellh left 2*c60 then left s
line shaded rgbstring(1,0,0) \
from B.sw+((j-1)*cellw,i*cellh) \
right s then down cellh right 2*c60 then right s then up s60 left c60 \
then left 2*s then left c60 up s60
}
}
.PE
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