Shell游戏：迷宫

#!/bin/bash
Width=30
Height=15
PadX=10
PadY=5
P="\033[32mO\033[0m"
PB="\033[4m\033[32mO\033[0m\033[0m"
clear
function DrawBox(){
local i j inx iny outx outy
function DrawCell(){
local cell num i
cell=$1; num=$2; str=""
for((i=1;i<=$num;i++)); do str=$str$cell; done
echo "$str"
}
Bank=`DrawCell ' ' $PadX `
Line=`DrawCell "|_" $Width `
FirstLine=`DrawCell " _" $Width `
for((i=1;i<=$PadY;i++));do echo ;done
echo "$Bank$FirstLine"
for((j=1;j<=$Height;j++)); do echo "$Bank$Line|"; done
echo -ne "\033[$((PadY+2));$((PadX+1))H "
echo -ne "\033[$((PadY+Height+1));$((PadX+Width*2+1))H "
}
function CordToKey(){
local x y Max
Max=100
x=$1
y=$2
((x+=Max))
((y+=Max))
echo $x$y
}
function Values(){
local i j
for((i=PadX+2;i<=PadX+Width*2;i+=2))
do
for((j=PadY+2;j<=PadY+Height+1;j++))
do
values[`CordToKey $i $j`]="$i|$j"
buttom[`CordToKey $i $j`]="_"
done
done
}
function DirectionCK(){
local X Y D newX newY
X=$1; Y=$2
D=()
((newY=Y-1))
[[ ${values[`CordToKey $X $newY`]} =~ "\|" && $X -ne $((PadX+Width*2)) && $X -ne $((PadX+2)) ]] && D[${#D[*]}]=up
((newX=X-2))
[[ ${values[`CordToKey $newX $Y`]} =~ "\|" && $Y -ne $((PadY+2)) && $Y -ne $((PadY+Height+1)) ]] && D[${#D[*]}]=left
((newY=Y+1))
[[ ${values[`CordToKey $X $newY`]} =~ "\|" ]] && D[${#D[*]}]=down
((newX=X+2))
[[ ${values[`CordToKey $newX $Y`]} =~ "\|" ]] && D[${#D[*]}]=right
echo ${D[*]}
}
function DirectionBack(){
local k D Dtion Dirtion Dirtions
while :
do
X=${PathX[$step]}
Y=${PathY[$step]}
D=${PathD[$step]}
[[ ${cicle[`CordToKey $X $Y`]} == 1 ]] && { ((step--));continue;}
Dtion=(`DirectionCK $X $Y`)
Dirtion=${Dtion[@]%$D}
Dirtions=(`echo $Dirtion`)
ClearBack $step
cicle[`CordToKey $X $Y`]=1
[[ ${#Dirtions[*]} -gt 0 ]] && break
((step--))
done
Direction=(`echo ${Dirtions[*]}`)
((step--))
}
function CreatePath(){
local Wx Wy
PathX=()
PathY=()
PathD=()
CWallX=()
CWallY=()
ClearWalls=()
step=-1
((X=PadX+2))
((Y=PadY+2))
while :
do
Direction=(`DirectionCK $X $Y`)
[[ ${#Direction[*]} -eq 0 ]] && {
DirectionBack;
}
direction=${Direction[$RANDOM%${#Direction[*]}]}
oldX=$X
oldY=$Y
Wx=$X
Wy=$Y
((step++))
case $direction in
up)((Y--))
((Wy=Y))
;;
down)((Y++))
((Wy=Y-1))
;;
left)((X-=2))
((Wx=X+1))
;;
right)((X+=2))
((Wx=X-1))
;;
esac
values[`CordToKey $oldX $oldY`]="path"
values[`CordToKey $Wx $Wy`]="nowall"
PathX[$step]=$oldX
PathY[$step]=$oldY
PathD[$step]=$direction
CWallX[$step]=$Wx
CWallY[$step]=$Wy
[[ $X -eq $((PadX+Width*2)) && $Y -eq $((PadY+Height+1)) ]] && break
done
((step++))
[[ $X -eq $((PadX+Width*2)) ]] && ((Wy=Y-1))
[[ $Y -eq $((PadY+Height+1)) ]] && ((Wx=X-1))
CWallX[$step]=$Wx
CWallY[$step]=$Wy
}
function SetButtom(){
local n x y d
for((n=0;n<${#PathD[*]};n++))
do
x=${PathX[$n]}
y=${PathY[$n]}
d=${PathD[$n]}
[[ $d == "down" ]] && buttom[`CordToKey $x $y`]=""
((y--))
[[ $d == "up" ]] && buttom[`CordToKey $x $y`]=""
done
}
function SideRoadCK(){
local X Y D newX newY
X=$1; Y=$2
D=()
((newY=Y-1))
[[ ${values[`CordToKey $X $newY`]} =~ "\|" ]] && D[${#D[*]}]=up
((newX=X-2))
[[ ${values[`CordToKey $newX $Y`]} =~ "\|" ]] && D[${#D[*]}]=left
((newY=Y+1))
[[ ${values[`CordToKey $X $newY`]} =~ "\|" ]] && D[${#D[*]}]=down
((newX=X+2))
[[ ${values[`CordToKey $newX $Y`]} =~ "\|" ]] && D[${#D[*]}]=right
echo ${D[*]}
}
function CreateSideRoad(){
local loop num i p X Y Direction direction Wx Wy oldX oldY
loop=0
SidePath=()
SideWall=()
num=${#PathX[*]}
while :
do
((p=$RANDOM%num))
X=${PathX[$p]}
Y=${PathY[$p]}
((loop++))
while :
do
oldX=$X
oldY=$Y
Wx=$X
Wy=$Y
Direction=(`SideRoadCK $X $Y`)
[ ${#Direction[*]} -eq 0 ] && break
direction=${Direction[$RANDOM%${#Direction[*]}]}
case $direction in
up)((Y--))
((Wy=Y))
buttom[`CordToKey $X $Y`]=""
;;
down)((Y++))
((Wy=Y-1))
buttom[`CordToKey $oldX $oldY`]=""
;;
left)((X-=2))
((Wx=X+1))
;;
right)((X+=2))
((Wx=X-1))
;;
esac
values[`CordToKey $oldX $oldY`]="sideroad"
values[`CordToKey $Wx $Wy`]="nowall"
SidePath[${#SidePath[*]}]=$oldX
SidePath[${#SidePath[*]}]=$oldY
SideWall[${#SideWall[*]}]=$Wx
SideWall[${#SideWall[*]}]=$Wy
done
[ $loop -eq 30 ] && break
done
}
function ClearBack(){
local s X Y d
s=$1
X=${PathX[$s]}
Y=${PathY[$s]}
d=${PathD[$s]}
values[`CordToKey $X $Y`]="$X|$Y"
unset PathX[$s]
unset PathY[$s]
unset PathD[$s]
unset CWallX[$s]
unset CWallY[$s]
}
function ClearWall(){
local i x y
for((i=0;i<$step;i++))
do
x=${CWallX[$i]}
y=${CWallY[$i]}
echo -ne "\033[$y;${x}H "
done
}
function ClearSideWall(){
local i j x y
for((i=0;i<${#SideWall[*]};i+=2))
do
((j=i+1))
x=${SideWall[$i]}
y=${SideWall[$j]}
echo -ne "\033[$y;${x}H "
done
}
function MoveP(){
local X Y oldX oldY B
X=$1; Y=$2; oldX=$3; oldY=$4
B="\033[4m \033[0m"
if [[ ${buttom[`CordToKey $oldX $oldY`]} == "_" ]];then
echo -e "\033[$oldY;${oldX}H$B"
else
echo -e "\033[$oldY;${oldX}H "
fi
if [[ ${buttom[`CordToKey $X $Y`]} == "_" ]];then
echo -e "\033[$Y;${X}H$PB"
else
echo -e "\033[$Y;${X}H$P"
fi
if [[ $X -eq $((PadX+Width*2)) && $Y -eq $((PadY+Height+1)) ]];then
((WinX=PadX+Width/2))
((WinY=PadY+Height+3))
echo -e "\033[$WinY;${WinX}H\033[31mCongratulation,You Pass!\033[0m"
Exit
fi
}
function MoveXY(){
local D Wx Wy oldX oldY v b
D=$1
oldX=$MX
oldY=$MY
Wx=$MX
Wy=$MY
case $D in
x++)((Wx=MX+1))
v=${values[`CordToKey $Wx $Wy`]}
[[ $v != "nowall" || $MX -gt $((PadX+Width*2)) ]] && continue
((MX+=2))
;;
x--)((Wx=MX-1))
v=${values[`CordToKey $Wx $Wy`]}
[[ $v != "nowall" || $MX -lt $((PadX+2)) ]] && continue
((MX-=2))
;;
y++)b=${buttom[`CordToKey $MX $MY`]}
[[ $b == "_" || $MY -gt $((PadY+Height+1)) ]] && continue
((MY++))
;;
y--)((Wy=MY-1))
b=${buttom[`CordToKey $MX $Wy`]}
[[ $b == "_" || $MY -le $((PadY+2)) ]] && continue
((MY--))
;;
esac
MoveP $MX $MY $oldX $oldY
}
function Moving(){
((MX=PadX+2))
((MY=PadY+2))
if [[ ${buttom[`CordToKey $MX $MY`]} == "_" ]];then
echo -ne "\033[$MY;${MX}H$PB"
else
echo -ne "\033[$MY;${MX}H$P"
fi
sTTY=`stty -g`
echo -ne "\033[?25l"
trap "Exit" INT TERM
while :
do
read -s -n 1 key
[[ "$key" == "A" ]] && MoveXY y--
[[ "$key" == "B" ]] && MoveXY y++
[[ "$key" == "C" ]] && MoveXY x++
[[ "$key" == "D" ]] && MoveXY x--
done
}
function Exit(){
local x y
((y=PadY+Height+5))
echo -e "\033[?25h\033[${y};0H"
stty $sTTY
echo -ne "\033[$y;0H"
exit
}
Values
DrawBox
CreatePath
SetButtom
CreateSideRoad
ClearWall
ClearSideWall
Moving

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玩法：用方向键把小球移到右下角出口处即可。
注：迷宫地图生成比较慢，大约5秒左右，请耐心等候。

GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
测试通过，大牛！！！

http://bbs.chinaunix.net/thread-3579315-1-1.html

(责任编辑：IT)

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Shell游戏：迷宫