【LINUX】SHELL贪吃蛇

MapHeight=19

MapWidth=17

SnakeLength=3

SnakeX=(2 3 4)

SnakeY=(5 5 5)

MoveDirection="Right"

Food=(7 14)

Map=(1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9

1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9)

Show()

{

#Map

for Cell in "${Map[@]}"

case ${Cell} in

printf " " ;;
printf "#" ;;
printf "\n" ;;

esac

done

#Snake

for ((i=0;i<${SnakeLength};i++))

tput cup ${SnakeY\[i\]}$ {SnakeX[i]}

echo "*"

done

#Food

tput cup ${Food\[0\]}$ {Food[1]}

echo "0"

tput cup 20 0

}

ArrayMove()

{

for i in $(seq 0$ ((SnakeLength-2)))

SnakeX[i]=${SnakeX[i+1]}

SnakeY[i]=${SnakeY[i+1]}

done

}

FoodGenerate()

{

Food[1]= $(($ {RANDOM}%${MapHeight}))

Food[0]= $(($ {RANDOM}%${MapWidth}))

}

Move()

{

read -n 1 -t 0.2 input

case $input in

"s") MoveDirection="Down" ;;

"w") MoveDirection="Up" ;;

"a") MoveDirection="Left" ;;

"d") MoveDirection="Right" ;;

esac

ArrayMove

if [ "$MoveDirection" = "Right" ]; then

((++SnakeX[$((SnakeLength-1))]))

elif [ "$MoveDirection" = "Left" ]; then

((--SnakeX[$((SnakeLength-1))]))

elif [ "$MoveDirection" = "Up" ]; then

((--SnakeY[$((SnakeLength-1))]))

elif [ "$MoveDirection" = "Down" ]; then

((++SnakeY[$((SnakeLength-1))]))

if [ ${SnakeX\[$ ((SnakeLength-1))]} -eq ${Food\[1\]} -a$ {SnakeY[ $((SnakeLength-1))\]} -eq$ {Food[0]} ]; then

SnakeX[ ${SnakeLength}\]=$ {SnakeX[$((SnakeLength-1))]}

SnakeY[ ${SnakeLength}\]=$ {SnakeY[$((SnakeLength-1))]}

if [ "$MoveDirection" = "Down" ]; then

SnakeY[ ${SnakeLength}\]=$ {SnakeY[$((SnakeLength-1))]}+1

elif [ "$MoveDirection" = "Up" ]; then

SnakeY[ ${SnakeLength}\]=$ {SnakeY[$((SnakeLength-1))]}-1

elif [ "$MoveDirection" = "Right" ]; then

SnakeX[ ${SnakeLength}\]=$ {SnakeX[$((SnakeLength-1))]}+1

elif [ "$MoveDirection" = "Left" ]; then

SnakeX[ ${SnakeLength}\]=$ {SnakeX[$((SnakeLength-1))]}-1

((++SnakeLength))

FoodGenerate

}

Main()

{

while true

clear

echo "w:up s:down a:left d:right"

Show

Move

sleep 0.2

done

}

Main