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|
#!/bin/ksh93
readonly PI=3.1415926535897932384626
sw=10
sh=5
w=0
h=0
x=3
y=3
dx=0
dy=0
a=9
quit=0
stepX=0
stepY=0
sa=$(echo "($PI / 6) * -1" | bc -l)
ba=$(echo "$PI / 6" | bc -l)
mapSize=8
map=( 1 1 1 1 1 1 1 1 \
1 0 0 0 0 0 0 1 \
1 0 0 0 0 0 0 1 \
1 0 0 0 0 0 0 1 \
1 0 0 0 0 0 0 1 \
1 0 0 0 0 0 0 1 \
1 0 0 0 0 0 0 1 \
1 0 0 0 0 0 0 1 \
1 1 1 1 1 1 1 1 )
function rr {
if [ $1 -eq 0 ]
then
ox=$2
ddx=$(echo "$ox / 1" | bc)
rx=$(echo "a=($ox - $ddx); b=(1 - a); if(a > 0.5) a=($ox + b) else a=$ddx; a/1" | bc)
echo $rx
elif [ $1 -eq 1 ]
then
oy=$2
ddy=$(echo "$oy / 1" | bc)
ry=$(echo "a=($oy - $ddy); b=(1 - a); if(a > 0.5) a=($oy + b) else a=$ddy; a/1" | bc)
echo $ry
fi
}
function dir {
if [ $(echo "$a < 0" | bc) -eq 1 ]
then
ab=$(echo "$a - ($PI * 2)" | bc)
else
ab=$a
fi
ax=$a
ay=$(echo "($PI * 0.5) - $a" | bc)
if [ $(echo "$1 > 0" | bc) -eq 1 ] && [ $(echo "$1 < ($PI * 0.5)" | bc) -eq 1 ]
then
stepX=1
stepY=1
ax=$ab
ay=$(echo "(PI * 0.5) - ab" | bc)
elif [ $(echo "$1 > ($PI * 0.5)" | bc -l) -eq 1 ] && [ $(echo "$1 < $PI" | bc -l) -eq 1 ]
then
stepX=-1
stepY=1
ax=$(echo "$PI - $ab" | bc)
oy=$(echo "$ab - ($PI * 0.5)" | bc)
elif [ $(echo "$1 > $PI" | bc -l) -eq 1 ] && [ $(echo "$1 < ($PI * 1.5)" | bc -l) -eq 1 ]
then
stepX=-1
stepY=-1
ax=$(echo "$ab - $PI" | bc)
ay=$(echo "($PI * 1.5) - $ab" | bc)
else
stepX=1
stepY=-1
ax=$(echo "($PI * 2) - $ab" | bc)
ay=$(echo "$ab - ($PI * 1.5)" | bc)
fi
}
function check_arr {
}
#while [ $h -lt $sh ]
#do
# while [ $w -lt $sw ]
# do
# echo -n '#'
# ((w++))
# done
# echo -ne '\n'
# ((h++))
# w=0
#done
while [ !$quit ]
do
rc=0
rx=$(rr 0 $x)
ry=$(rr 1 $y)
sideX=$(echo "$x - $rx" | bc)
sideY=$(echo "$y - $ry" | bc)
while [ $rc -lt 61 ]
do
hit=0
rlc=0
ra=$(echo "$a + $sa" | bc)
dir $ra
dx=$(echo "1 / (s($ax) / c($ax))" | bc -l)
dy=$(echo "1 / (s($ay) / c($ay))" | bc -l)
#echo $stepX $stepY
while [ $rlc -lt 2 ]
do
a=$(echo "$rx + ($mapSize * $ry)" | bc)
echo $a $rx $ry
if [ $rc -eq 0 ]
then
rx=$(echo "if ($stepX==1) ($x / 1) + 1 else $x / 1" | bc)
ry=$(echo "if ($stepY==1) ($y / 1) + 1 else $y / 1" | bc)
((rlc++))
elif [ ${map[@]} -eq 1 ]
then
hit=1
((rlc++))
else
rx=$(echo "")
fi
done
sa=$(echo "$sa + ($PI / 180)" | bc -l)
(( rc++ ))
done
break
done
|
